diff options
Diffstat (limited to 'drivers/scsi/smartpqi/smartpqi_init.c')
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi_init.c | 6183 |
1 files changed, 4346 insertions, 1837 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index f564af8949e8..fe549e2b7c94 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -1,18 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0 /* - * driver for Microsemi PQI-based storage controllers - * Copyright (c) 2016-2017 Microsemi Corporation + * driver for Microchip PQI-based storage controllers + * Copyright (c) 2019-2023 Microchip Technology Inc. and its subsidiaries + * Copyright (c) 2016-2018 Microsemi Corporation * Copyright (c) 2016 PMC-Sierra, Inc. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for more details. - * - * Questions/Comments/Bugfixes to esc.storagedev@microsemi.com + * Questions/Comments/Bugfixes to storagedev@microchip.com * */ @@ -26,13 +19,14 @@ #include <linux/bcd.h> #include <linux/reboot.h> #include <linux/cciss_ioctl.h> -#include <linux/blk-mq-pci.h> +#include <linux/crash_dump.h> +#include <linux/string.h> #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> #include <scsi/scsi_eh.h> #include <scsi/scsi_transport_sas.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include "smartpqi.h" #include "smartpqi_sis.h" @@ -40,28 +34,43 @@ #define BUILD_TIMESTAMP #endif -#define DRIVER_VERSION "1.2.4-070" -#define DRIVER_MAJOR 1 -#define DRIVER_MINOR 2 -#define DRIVER_RELEASE 4 -#define DRIVER_REVISION 70 +#define DRIVER_VERSION "2.1.36-026" +#define DRIVER_MAJOR 2 +#define DRIVER_MINOR 1 +#define DRIVER_RELEASE 36 +#define DRIVER_REVISION 26 -#define DRIVER_NAME "Microsemi PQI Driver (v" \ +#define DRIVER_NAME "Microchip SmartPQI Driver (v" \ DRIVER_VERSION BUILD_TIMESTAMP ")" #define DRIVER_NAME_SHORT "smartpqi" #define PQI_EXTRA_SGL_MEMORY (12 * sizeof(struct pqi_sg_descriptor)) -MODULE_AUTHOR("Microsemi"); -MODULE_DESCRIPTION("Driver for Microsemi Smart Family Controller version " +#define PQI_POST_RESET_DELAY_SECS 5 +#define PQI_POST_OFA_RESET_DELAY_UPON_TIMEOUT_SECS 10 + +#define PQI_NO_COMPLETION ((void *)-1) + +MODULE_AUTHOR("Microchip"); +MODULE_DESCRIPTION("Driver for Microchip Smart Family Controller version " DRIVER_VERSION); -MODULE_SUPPORTED_DEVICE("Microsemi Smart Family Controllers"); MODULE_VERSION(DRIVER_VERSION); MODULE_LICENSE("GPL"); -static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info); +struct pqi_cmd_priv { + int this_residual; +}; + +static struct pqi_cmd_priv *pqi_cmd_priv(struct scsi_cmnd *cmd) +{ + return scsi_cmd_priv(cmd); +} + +static void pqi_verify_structures(void); +static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info, + enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason); +static void pqi_take_ctrl_devices_offline(struct pqi_ctrl_info *ctrl_info); static void pqi_ctrl_offline_worker(struct work_struct *work); -static void pqi_retry_raid_bypass_requests(struct pqi_ctrl_info *ctrl_info); static int pqi_scan_scsi_devices(struct pqi_ctrl_info *ctrl_info); static void pqi_scan_start(struct Scsi_Host *shost); static void pqi_start_io(struct pqi_ctrl_info *ctrl_info, @@ -69,20 +78,29 @@ static void pqi_start_io(struct pqi_ctrl_info *ctrl_info, struct pqi_io_request *io_request); static int pqi_submit_raid_request_synchronous(struct pqi_ctrl_info *ctrl_info, struct pqi_iu_header *request, unsigned int flags, - struct pqi_raid_error_info *error_info, unsigned long timeout_msecs); + struct pqi_raid_error_info *error_info); static int pqi_aio_submit_io(struct pqi_ctrl_info *ctrl_info, struct scsi_cmnd *scmd, u32 aio_handle, u8 *cdb, unsigned int cdb_length, struct pqi_queue_group *queue_group, - struct pqi_encryption_info *encryption_info, bool raid_bypass); + struct pqi_encryption_info *encryption_info, bool raid_bypass, bool io_high_prio); +static int pqi_aio_submit_r1_write_io(struct pqi_ctrl_info *ctrl_info, + struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, + struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, + struct pqi_scsi_dev_raid_map_data *rmd); +static int pqi_aio_submit_r56_write_io(struct pqi_ctrl_info *ctrl_info, + struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, + struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, + struct pqi_scsi_dev_raid_map_data *rmd); static void pqi_ofa_ctrl_quiesce(struct pqi_ctrl_info *ctrl_info); static void pqi_ofa_ctrl_unquiesce(struct pqi_ctrl_info *ctrl_info); -static int pqi_ofa_ctrl_restart(struct pqi_ctrl_info *ctrl_info); -static void pqi_ofa_setup_host_buffer(struct pqi_ctrl_info *ctrl_info, - u32 bytes_requested); -static void pqi_ofa_free_host_buffer(struct pqi_ctrl_info *ctrl_info); -static int pqi_ofa_host_memory_update(struct pqi_ctrl_info *ctrl_info); +static int pqi_ofa_ctrl_restart(struct pqi_ctrl_info *ctrl_info, unsigned int delay_secs); +static void pqi_host_setup_buffer(struct pqi_ctrl_info *ctrl_info, struct pqi_host_memory_descriptor *host_memory_descriptor, u32 total_size, u32 min_size); +static void pqi_host_free_buffer(struct pqi_ctrl_info *ctrl_info, struct pqi_host_memory_descriptor *host_memory_descriptor); +static int pqi_host_memory_update(struct pqi_ctrl_info *ctrl_info, struct pqi_host_memory_descriptor *host_memory_descriptor, u16 function_code); static int pqi_device_wait_for_pending_io(struct pqi_ctrl_info *ctrl_info, - struct pqi_scsi_dev *device, unsigned long timeout_secs); + struct pqi_scsi_dev *device, u8 lun, unsigned long timeout_msecs); +static void pqi_fail_all_outstanding_requests(struct pqi_ctrl_info *ctrl_info); +static void pqi_tmf_worker(struct work_struct *work); /* for flags argument to pqi_submit_raid_request_synchronous() */ #define PQI_SYNC_FLAGS_INTERRUPTABLE 0x1 @@ -152,14 +170,36 @@ MODULE_PARM_DESC(lockup_action, "Action to take when controller locked up.\n" "\t\tSupported: none, reboot, panic\n" "\t\tDefault: none"); +static int pqi_expose_ld_first; +module_param_named(expose_ld_first, + pqi_expose_ld_first, int, 0644); +MODULE_PARM_DESC(expose_ld_first, "Expose logical drives before physical drives."); + +static int pqi_hide_vsep; +module_param_named(hide_vsep, + pqi_hide_vsep, int, 0644); +MODULE_PARM_DESC(hide_vsep, "Hide the virtual SEP for direct attached drives."); + +static int pqi_disable_managed_interrupts; +module_param_named(disable_managed_interrupts, + pqi_disable_managed_interrupts, int, 0644); +MODULE_PARM_DESC(disable_managed_interrupts, + "Disable the kernel automatically assigning SMP affinity to IRQs."); + +static unsigned int pqi_ctrl_ready_timeout_secs; +module_param_named(ctrl_ready_timeout, + pqi_ctrl_ready_timeout_secs, uint, 0644); +MODULE_PARM_DESC(ctrl_ready_timeout, + "Timeout in seconds for driver to wait for controller ready."); + static char *raid_levels[] = { "RAID-0", "RAID-4", "RAID-1(1+0)", "RAID-5", "RAID-5+1", - "RAID-ADG", - "RAID-1(ADM)", + "RAID-6", + "RAID-1(Triple)", }; static char *pqi_raid_level_to_string(u8 raid_level) @@ -176,14 +216,14 @@ static char *pqi_raid_level_to_string(u8 raid_level) #define SA_RAID_5 3 /* also used for RAID 50 */ #define SA_RAID_51 4 #define SA_RAID_6 5 /* also used for RAID 60 */ -#define SA_RAID_ADM 6 /* also used for RAID 1+0 ADM */ -#define SA_RAID_MAX SA_RAID_ADM +#define SA_RAID_TRIPLE 6 /* also used for RAID 1+0 Triple */ +#define SA_RAID_MAX SA_RAID_TRIPLE #define SA_RAID_UNKNOWN 0xff static inline void pqi_scsi_done(struct scsi_cmnd *scmd) { pqi_prep_for_scsi_done(scmd); - scmd->scsi_done(scmd); + scsi_done(scmd); } static inline void pqi_disable_write_same(struct scsi_device *sdev) @@ -206,11 +246,16 @@ static inline bool pqi_is_external_raid_addr(u8 *scsi3addr) return scsi3addr[2] != 0; } +static inline bool pqi_ctrl_offline(struct pqi_ctrl_info *ctrl_info) +{ + return !ctrl_info->controller_online; +} + static inline void pqi_check_ctrl_health(struct pqi_ctrl_info *ctrl_info) { if (ctrl_info->controller_online) if (!sis_is_firmware_running(ctrl_info)) - pqi_take_ctrl_offline(ctrl_info); + pqi_take_ctrl_offline(ctrl_info, PQI_FIRMWARE_KERNEL_NOT_UP); } static inline bool pqi_is_hba_lunid(u8 *scsi3addr) @@ -218,66 +263,165 @@ static inline bool pqi_is_hba_lunid(u8 *scsi3addr) return pqi_scsi3addr_equal(scsi3addr, RAID_CTLR_LUNID); } -static inline enum pqi_ctrl_mode pqi_get_ctrl_mode( - struct pqi_ctrl_info *ctrl_info) +#define PQI_DRIVER_SCRATCH_PQI_MODE 0x1 +#define PQI_DRIVER_SCRATCH_FW_TRIAGE_SUPPORTED 0x2 + +static inline enum pqi_ctrl_mode pqi_get_ctrl_mode(struct pqi_ctrl_info *ctrl_info) { - return sis_read_driver_scratch(ctrl_info); + return sis_read_driver_scratch(ctrl_info) & PQI_DRIVER_SCRATCH_PQI_MODE ? PQI_MODE : SIS_MODE; } static inline void pqi_save_ctrl_mode(struct pqi_ctrl_info *ctrl_info, enum pqi_ctrl_mode mode) { - sis_write_driver_scratch(ctrl_info, mode); + u32 driver_scratch; + + driver_scratch = sis_read_driver_scratch(ctrl_info); + + if (mode == PQI_MODE) + driver_scratch |= PQI_DRIVER_SCRATCH_PQI_MODE; + else + driver_scratch &= ~PQI_DRIVER_SCRATCH_PQI_MODE; + + sis_write_driver_scratch(ctrl_info, driver_scratch); +} + +static inline bool pqi_is_fw_triage_supported(struct pqi_ctrl_info *ctrl_info) +{ + return (sis_read_driver_scratch(ctrl_info) & PQI_DRIVER_SCRATCH_FW_TRIAGE_SUPPORTED) != 0; +} + +static inline void pqi_save_fw_triage_setting(struct pqi_ctrl_info *ctrl_info, bool is_supported) +{ + u32 driver_scratch; + + driver_scratch = sis_read_driver_scratch(ctrl_info); + + if (is_supported) + driver_scratch |= PQI_DRIVER_SCRATCH_FW_TRIAGE_SUPPORTED; + else + driver_scratch &= ~PQI_DRIVER_SCRATCH_FW_TRIAGE_SUPPORTED; + + sis_write_driver_scratch(ctrl_info, driver_scratch); +} + +static inline void pqi_ctrl_block_scan(struct pqi_ctrl_info *ctrl_info) +{ + ctrl_info->scan_blocked = true; + mutex_lock(&ctrl_info->scan_mutex); +} + +static inline void pqi_ctrl_unblock_scan(struct pqi_ctrl_info *ctrl_info) +{ + ctrl_info->scan_blocked = false; + mutex_unlock(&ctrl_info->scan_mutex); +} + +static inline bool pqi_ctrl_scan_blocked(struct pqi_ctrl_info *ctrl_info) +{ + return ctrl_info->scan_blocked; +} + +static inline void pqi_ctrl_block_device_reset(struct pqi_ctrl_info *ctrl_info) +{ + mutex_lock(&ctrl_info->lun_reset_mutex); +} + +static inline void pqi_ctrl_unblock_device_reset(struct pqi_ctrl_info *ctrl_info) +{ + mutex_unlock(&ctrl_info->lun_reset_mutex); +} + +static inline void pqi_scsi_block_requests(struct pqi_ctrl_info *ctrl_info) +{ + struct Scsi_Host *shost; + unsigned int num_loops; + int msecs_sleep; + + shost = ctrl_info->scsi_host; + + scsi_block_requests(shost); + + num_loops = 0; + msecs_sleep = 20; + while (scsi_host_busy(shost)) { + num_loops++; + if (num_loops == 10) + msecs_sleep = 500; + msleep(msecs_sleep); + } +} + +static inline void pqi_scsi_unblock_requests(struct pqi_ctrl_info *ctrl_info) +{ + scsi_unblock_requests(ctrl_info->scsi_host); +} + +static inline void pqi_ctrl_busy(struct pqi_ctrl_info *ctrl_info) +{ + atomic_inc(&ctrl_info->num_busy_threads); +} + +static inline void pqi_ctrl_unbusy(struct pqi_ctrl_info *ctrl_info) +{ + atomic_dec(&ctrl_info->num_busy_threads); +} + +static inline bool pqi_ctrl_blocked(struct pqi_ctrl_info *ctrl_info) +{ + return ctrl_info->block_requests; } static inline void pqi_ctrl_block_requests(struct pqi_ctrl_info *ctrl_info) { ctrl_info->block_requests = true; - scsi_block_requests(ctrl_info->scsi_host); } static inline void pqi_ctrl_unblock_requests(struct pqi_ctrl_info *ctrl_info) { ctrl_info->block_requests = false; wake_up_all(&ctrl_info->block_requests_wait); - pqi_retry_raid_bypass_requests(ctrl_info); - scsi_unblock_requests(ctrl_info->scsi_host); } -static unsigned long pqi_wait_if_ctrl_blocked(struct pqi_ctrl_info *ctrl_info, - unsigned long timeout_msecs) +static void pqi_wait_if_ctrl_blocked(struct pqi_ctrl_info *ctrl_info) { - unsigned long remaining_msecs; - if (!pqi_ctrl_blocked(ctrl_info)) - return timeout_msecs; + return; atomic_inc(&ctrl_info->num_blocked_threads); - - if (timeout_msecs == NO_TIMEOUT) { - wait_event(ctrl_info->block_requests_wait, - !pqi_ctrl_blocked(ctrl_info)); - remaining_msecs = timeout_msecs; - } else { - unsigned long remaining_jiffies; - - remaining_jiffies = - wait_event_timeout(ctrl_info->block_requests_wait, - !pqi_ctrl_blocked(ctrl_info), - msecs_to_jiffies(timeout_msecs)); - remaining_msecs = jiffies_to_msecs(remaining_jiffies); - } - + wait_event(ctrl_info->block_requests_wait, + !pqi_ctrl_blocked(ctrl_info)); atomic_dec(&ctrl_info->num_blocked_threads); - - return remaining_msecs; } +#define PQI_QUIESCE_WARNING_TIMEOUT_SECS 10 + static inline void pqi_ctrl_wait_until_quiesced(struct pqi_ctrl_info *ctrl_info) { + unsigned long start_jiffies; + unsigned long warning_timeout; + bool displayed_warning; + + displayed_warning = false; + start_jiffies = jiffies; + warning_timeout = (PQI_QUIESCE_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; + while (atomic_read(&ctrl_info->num_busy_threads) > - atomic_read(&ctrl_info->num_blocked_threads)) + atomic_read(&ctrl_info->num_blocked_threads)) { + if (time_after(jiffies, warning_timeout)) { + dev_warn(&ctrl_info->pci_dev->dev, + "waiting %u seconds for driver activity to quiesce\n", + jiffies_to_msecs(jiffies - start_jiffies) / 1000); + displayed_warning = true; + warning_timeout = (PQI_QUIESCE_WARNING_TIMEOUT_SECS * HZ) + jiffies; + } usleep_range(1000, 2000); + } + + if (displayed_warning) + dev_warn(&ctrl_info->pci_dev->dev, + "driver activity quiesced after waiting for %u seconds\n", + jiffies_to_msecs(jiffies - start_jiffies) / 1000); } static inline bool pqi_device_offline(struct pqi_scsi_dev *device) @@ -285,54 +429,73 @@ static inline bool pqi_device_offline(struct pqi_scsi_dev *device) return device->device_offline; } -static inline void pqi_device_reset_start(struct pqi_scsi_dev *device) +static inline void pqi_ctrl_ofa_start(struct pqi_ctrl_info *ctrl_info) { - device->in_reset = true; + mutex_lock(&ctrl_info->ofa_mutex); } -static inline void pqi_device_reset_done(struct pqi_scsi_dev *device) +static inline void pqi_ctrl_ofa_done(struct pqi_ctrl_info *ctrl_info) { - device->in_reset = false; + mutex_unlock(&ctrl_info->ofa_mutex); } -static inline bool pqi_device_in_reset(struct pqi_scsi_dev *device) +static inline void pqi_wait_until_ofa_finished(struct pqi_ctrl_info *ctrl_info) { - return device->in_reset; + mutex_lock(&ctrl_info->ofa_mutex); + mutex_unlock(&ctrl_info->ofa_mutex); } -static inline void pqi_ctrl_ofa_start(struct pqi_ctrl_info *ctrl_info) +static inline bool pqi_ofa_in_progress(struct pqi_ctrl_info *ctrl_info) { - ctrl_info->in_ofa = true; + return mutex_is_locked(&ctrl_info->ofa_mutex); } -static inline void pqi_ctrl_ofa_done(struct pqi_ctrl_info *ctrl_info) +static inline void pqi_device_remove_start(struct pqi_scsi_dev *device) { - ctrl_info->in_ofa = false; + device->in_remove = true; } -static inline bool pqi_ctrl_in_ofa(struct pqi_ctrl_info *ctrl_info) +static inline bool pqi_device_in_remove(struct pqi_scsi_dev *device) { - return ctrl_info->in_ofa; + return device->in_remove; } -static inline void pqi_device_remove_start(struct pqi_scsi_dev *device) +static inline void pqi_device_reset_start(struct pqi_scsi_dev *device, u8 lun) { - device->in_remove = true; + device->in_reset[lun] = true; } -static inline bool pqi_device_in_remove(struct pqi_ctrl_info *ctrl_info, - struct pqi_scsi_dev *device) +static inline void pqi_device_reset_done(struct pqi_scsi_dev *device, u8 lun) { - return device->in_remove && !ctrl_info->in_shutdown; + device->in_reset[lun] = false; } -static inline void pqi_schedule_rescan_worker_with_delay( - struct pqi_ctrl_info *ctrl_info, unsigned long delay) +static inline bool pqi_device_in_reset(struct pqi_scsi_dev *device, u8 lun) +{ + return device->in_reset[lun]; +} + +static inline int pqi_event_type_to_event_index(unsigned int event_type) +{ + int index; + + for (index = 0; index < ARRAY_SIZE(pqi_supported_event_types); index++) + if (event_type == pqi_supported_event_types[index]) + return index; + + return -1; +} + +static inline bool pqi_is_supported_event(unsigned int event_type) +{ + return pqi_event_type_to_event_index(event_type) != -1; +} + +static inline void pqi_schedule_rescan_worker_with_delay(struct pqi_ctrl_info *ctrl_info, + unsigned long delay) { if (pqi_ctrl_offline(ctrl_info)) return; - if (pqi_ctrl_in_ofa(ctrl_info)) - return; schedule_delayed_work(&ctrl_info->rescan_work, delay); } @@ -342,10 +505,9 @@ static inline void pqi_schedule_rescan_worker(struct pqi_ctrl_info *ctrl_info) pqi_schedule_rescan_worker_with_delay(ctrl_info, 0); } -#define PQI_RESCAN_WORK_DELAY (10 * PQI_HZ) +#define PQI_RESCAN_WORK_DELAY (10 * HZ) -static inline void pqi_schedule_rescan_worker_delayed( - struct pqi_ctrl_info *ctrl_info) +static inline void pqi_schedule_rescan_worker_delayed(struct pqi_ctrl_info *ctrl_info) { pqi_schedule_rescan_worker_with_delay(ctrl_info, PQI_RESCAN_WORK_DELAY); } @@ -365,25 +527,48 @@ static inline u32 pqi_read_heartbeat_counter(struct pqi_ctrl_info *ctrl_info) static inline u8 pqi_read_soft_reset_status(struct pqi_ctrl_info *ctrl_info) { - if (!ctrl_info->soft_reset_status) - return 0; - return readb(ctrl_info->soft_reset_status); } -static inline void pqi_clear_soft_reset_status(struct pqi_ctrl_info *ctrl_info, - u8 clear) +static inline void pqi_clear_soft_reset_status(struct pqi_ctrl_info *ctrl_info) { u8 status; - if (!ctrl_info->soft_reset_status) - return; - status = pqi_read_soft_reset_status(ctrl_info); - status &= ~clear; + status &= ~PQI_SOFT_RESET_ABORT; writeb(status, ctrl_info->soft_reset_status); } +static inline bool pqi_is_io_high_priority(struct pqi_scsi_dev *device, struct scsi_cmnd *scmd) +{ + bool io_high_prio; + int priority_class; + + io_high_prio = false; + + if (device->ncq_prio_enable) { + priority_class = + IOPRIO_PRIO_CLASS(req_get_ioprio(scsi_cmd_to_rq(scmd))); + if (priority_class == IOPRIO_CLASS_RT) { + /* Set NCQ priority for read/write commands. */ + switch (scmd->cmnd[0]) { + case WRITE_16: + case READ_16: + case WRITE_12: + case READ_12: + case WRITE_10: + case READ_10: + case WRITE_6: + case READ_6: + io_high_prio = true; + break; + } + } + } + + return io_high_prio; +} + static int pqi_map_single(struct pci_dev *pci_dev, struct pqi_sg_descriptor *sg_descriptor, void *buffer, size_t buffer_length, enum dma_data_direction data_direction) @@ -456,10 +641,14 @@ static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info, case CISS_REPORT_PHYS: request->data_direction = SOP_READ_FLAG; cdb[0] = cmd; - if (cmd == CISS_REPORT_PHYS) - cdb[1] = CISS_REPORT_PHYS_EXTENDED; - else - cdb[1] = CISS_REPORT_LOG_EXTENDED; + if (cmd == CISS_REPORT_PHYS) { + if (ctrl_info->rpl_extended_format_4_5_supported) + cdb[1] = CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_4; + else + cdb[1] = CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_2; + } else { + cdb[1] = ctrl_info->ciss_report_log_flags; + } put_unaligned_be32(cdb_length, &cdb[6]); break; case CISS_GET_RAID_MAP: @@ -469,6 +658,7 @@ static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info, put_unaligned_be32(cdb_length, &cdb[6]); break; case SA_FLUSH_CACHE: + request->header.driver_flags = PQI_DRIVER_NONBLOCKABLE_REQUEST; request->data_direction = SOP_WRITE_FLAG; cdb[0] = BMIC_WRITE; cdb[6] = BMIC_FLUSH_CACHE; @@ -476,9 +666,11 @@ static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info, break; case BMIC_SENSE_DIAG_OPTIONS: cdb_length = 0; - /* fall through */ + fallthrough; case BMIC_IDENTIFY_CONTROLLER: case BMIC_IDENTIFY_PHYSICAL_DEVICE: + case BMIC_SENSE_SUBSYSTEM_INFORMATION: + case BMIC_SENSE_FEATURE: request->data_direction = SOP_READ_FLAG; cdb[0] = BMIC_READ; cdb[6] = cmd; @@ -486,7 +678,7 @@ static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info, break; case BMIC_SET_DIAG_OPTIONS: cdb_length = 0; - /* fall through */ + fallthrough; case BMIC_WRITE_HOST_WELLNESS: request->data_direction = SOP_WRITE_FLAG; cdb[0] = BMIC_WRITE; @@ -501,8 +693,7 @@ static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info, put_unaligned_be16(cdb_length, &cdb[7]); break; default: - dev_err(&ctrl_info->pci_dev->dev, "unknown command 0x%c\n", - cmd); + dev_err(&ctrl_info->pci_dev->dev, "unknown command 0x%c\n", cmd); break; } @@ -533,24 +724,38 @@ static inline void pqi_reinit_io_request(struct pqi_io_request *io_request) io_request->raid_bypass = false; } -static struct pqi_io_request *pqi_alloc_io_request( - struct pqi_ctrl_info *ctrl_info) +static inline struct pqi_io_request *pqi_alloc_io_request(struct pqi_ctrl_info *ctrl_info, struct scsi_cmnd *scmd) { struct pqi_io_request *io_request; - u16 i = ctrl_info->next_io_request_slot; /* benignly racy */ + u16 i; - while (1) { + if (scmd) { /* SML I/O request */ + u32 blk_tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmd)); + + i = blk_mq_unique_tag_to_tag(blk_tag); io_request = &ctrl_info->io_request_pool[i]; - if (atomic_inc_return(&io_request->refcount) == 1) - break; - atomic_dec(&io_request->refcount); - i = (i + 1) % ctrl_info->max_io_slots; + if (atomic_inc_return(&io_request->refcount) > 1) { + atomic_dec(&io_request->refcount); + return NULL; + } + } else { /* IOCTL or driver internal request */ + /* + * benignly racy - may have to wait for an open slot. + * command slot range is scsi_ml_can_queue - + * [scsi_ml_can_queue + (PQI_RESERVED_IO_SLOTS - 1)] + */ + i = 0; + while (1) { + io_request = &ctrl_info->io_request_pool[ctrl_info->scsi_ml_can_queue + i]; + if (atomic_inc_return(&io_request->refcount) == 1) + break; + atomic_dec(&io_request->refcount); + i = (i + 1) % PQI_RESERVED_IO_SLOTS; + } } - /* benignly racy */ - ctrl_info->next_io_request_slot = (i + 1) % ctrl_info->max_io_slots; - - pqi_reinit_io_request(io_request); + if (io_request) + pqi_reinit_io_request(io_request); return io_request; } @@ -561,156 +766,184 @@ static void pqi_free_io_request(struct pqi_io_request *io_request) } static int pqi_send_scsi_raid_request(struct pqi_ctrl_info *ctrl_info, u8 cmd, - u8 *scsi3addr, void *buffer, size_t buffer_length, u16 vpd_page, - struct pqi_raid_error_info *error_info, - unsigned long timeout_msecs) + u8 *scsi3addr, void *buffer, size_t buffer_length, u16 vpd_page, + struct pqi_raid_error_info *error_info) { int rc; - enum dma_data_direction dir; struct pqi_raid_path_request request; + enum dma_data_direction dir; - rc = pqi_build_raid_path_request(ctrl_info, &request, - cmd, scsi3addr, buffer, - buffer_length, vpd_page, &dir); + rc = pqi_build_raid_path_request(ctrl_info, &request, cmd, scsi3addr, + buffer, buffer_length, vpd_page, &dir); if (rc) return rc; - rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, - 0, error_info, timeout_msecs); + rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, error_info); pqi_pci_unmap(ctrl_info->pci_dev, request.sg_descriptors, 1, dir); + return rc; } -/* Helper functions for pqi_send_scsi_raid_request */ +/* helper functions for pqi_send_scsi_raid_request */ static inline int pqi_send_ctrl_raid_request(struct pqi_ctrl_info *ctrl_info, - u8 cmd, void *buffer, size_t buffer_length) + u8 cmd, void *buffer, size_t buffer_length) { return pqi_send_scsi_raid_request(ctrl_info, cmd, RAID_CTLR_LUNID, - buffer, buffer_length, 0, NULL, NO_TIMEOUT); + buffer, buffer_length, 0, NULL); } static inline int pqi_send_ctrl_raid_with_error(struct pqi_ctrl_info *ctrl_info, - u8 cmd, void *buffer, size_t buffer_length, - struct pqi_raid_error_info *error_info) + u8 cmd, void *buffer, size_t buffer_length, + struct pqi_raid_error_info *error_info) { return pqi_send_scsi_raid_request(ctrl_info, cmd, RAID_CTLR_LUNID, - buffer, buffer_length, 0, error_info, NO_TIMEOUT); + buffer, buffer_length, 0, error_info); } - static inline int pqi_identify_controller(struct pqi_ctrl_info *ctrl_info, - struct bmic_identify_controller *buffer) + struct bmic_identify_controller *buffer) { return pqi_send_ctrl_raid_request(ctrl_info, BMIC_IDENTIFY_CONTROLLER, - buffer, sizeof(*buffer)); + buffer, sizeof(*buffer)); +} + +static inline int pqi_sense_subsystem_info(struct pqi_ctrl_info *ctrl_info, + struct bmic_sense_subsystem_info *sense_info) +{ + return pqi_send_ctrl_raid_request(ctrl_info, + BMIC_SENSE_SUBSYSTEM_INFORMATION, sense_info, + sizeof(*sense_info)); } static inline int pqi_scsi_inquiry(struct pqi_ctrl_info *ctrl_info, u8 *scsi3addr, u16 vpd_page, void *buffer, size_t buffer_length) { return pqi_send_scsi_raid_request(ctrl_info, INQUIRY, scsi3addr, - buffer, buffer_length, vpd_page, NULL, NO_TIMEOUT); + buffer, buffer_length, vpd_page, NULL); } -static bool pqi_vpd_page_supported(struct pqi_ctrl_info *ctrl_info, - u8 *scsi3addr, u16 vpd_page) +static int pqi_identify_physical_device(struct pqi_ctrl_info *ctrl_info, + struct pqi_scsi_dev *device, + struct bmic_identify_physical_device *buffer, size_t buffer_length) { int rc; - int i; - int pages; - unsigned char *buf, bufsize; + enum dma_data_direction dir; + u16 bmic_device_index; + struct pqi_raid_path_request request; - buf = kzalloc(256, GFP_KERNEL); - if (!buf) - return false; + rc = pqi_build_raid_path_request(ctrl_info, &request, + BMIC_IDENTIFY_PHYSICAL_DEVICE, RAID_CTLR_LUNID, buffer, + buffer_length, 0, &dir); + if (rc) + return rc; - /* Get the size of the page list first */ - rc = pqi_scsi_inquiry(ctrl_info, scsi3addr, - VPD_PAGE | SCSI_VPD_SUPPORTED_PAGES, - buf, SCSI_VPD_HEADER_SZ); - if (rc != 0) - goto exit_unsupported; + bmic_device_index = CISS_GET_DRIVE_NUMBER(device->scsi3addr); + request.cdb[2] = (u8)bmic_device_index; + request.cdb[9] = (u8)(bmic_device_index >> 8); - pages = buf[3]; - if ((pages + SCSI_VPD_HEADER_SZ) <= 255) - bufsize = pages + SCSI_VPD_HEADER_SZ; - else - bufsize = 255; - - /* Get the whole VPD page list */ - rc = pqi_scsi_inquiry(ctrl_info, scsi3addr, - VPD_PAGE | SCSI_VPD_SUPPORTED_PAGES, - buf, bufsize); - if (rc != 0) - goto exit_unsupported; - - pages = buf[3]; - for (i = 1; i <= pages; i++) - if (buf[3 + i] == vpd_page) - goto exit_supported; - -exit_unsupported: - kfree(buf); - return false; + rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); -exit_supported: - kfree(buf); - return true; + pqi_pci_unmap(ctrl_info->pci_dev, request.sg_descriptors, 1, dir); + + return rc; } -static int pqi_get_device_id(struct pqi_ctrl_info *ctrl_info, - u8 *scsi3addr, u8 *device_id, int buflen) +static inline u32 pqi_aio_limit_to_bytes(__le16 *limit) { - int rc; - unsigned char *buf; + u32 bytes; - if (!pqi_vpd_page_supported(ctrl_info, scsi3addr, SCSI_VPD_DEVICE_ID)) - return 1; /* function not supported */ + bytes = get_unaligned_le16(limit); + if (bytes == 0) + bytes = ~0; + else + bytes *= 1024; - buf = kzalloc(64, GFP_KERNEL); - if (!buf) - return -ENOMEM; + return bytes; +} - rc = pqi_scsi_inquiry(ctrl_info, scsi3addr, - VPD_PAGE | SCSI_VPD_DEVICE_ID, - buf, 64); - if (rc == 0) { - if (buflen > 16) - buflen = 16; - memcpy(device_id, &buf[SCSI_VPD_DEVICE_ID_IDX], buflen); - } +#pragma pack(1) - kfree(buf); +struct bmic_sense_feature_buffer { + struct bmic_sense_feature_buffer_header header; + struct bmic_sense_feature_io_page_aio_subpage aio_subpage; +}; - return rc; -} +#pragma pack() -static int pqi_identify_physical_device(struct pqi_ctrl_info *ctrl_info, - struct pqi_scsi_dev *device, - struct bmic_identify_physical_device *buffer, - size_t buffer_length) +#define MINIMUM_AIO_SUBPAGE_BUFFER_LENGTH \ + offsetofend(struct bmic_sense_feature_buffer, \ + aio_subpage.max_write_raid_1_10_3drive) + +#define MINIMUM_AIO_SUBPAGE_LENGTH \ + (offsetofend(struct bmic_sense_feature_io_page_aio_subpage, \ + max_write_raid_1_10_3drive) - \ + sizeof_field(struct bmic_sense_feature_io_page_aio_subpage, header)) + +static int pqi_get_advanced_raid_bypass_config(struct pqi_ctrl_info *ctrl_info) { int rc; enum dma_data_direction dir; - u16 bmic_device_index; struct pqi_raid_path_request request; + struct bmic_sense_feature_buffer *buffer; - rc = pqi_build_raid_path_request(ctrl_info, &request, - BMIC_IDENTIFY_PHYSICAL_DEVICE, RAID_CTLR_LUNID, buffer, - buffer_length, 0, &dir); + buffer = kmalloc(sizeof(*buffer), GFP_KERNEL); + if (!buffer) + return -ENOMEM; + + rc = pqi_build_raid_path_request(ctrl_info, &request, BMIC_SENSE_FEATURE, RAID_CTLR_LUNID, + buffer, sizeof(*buffer), 0, &dir); if (rc) - return rc; + goto error; - bmic_device_index = CISS_GET_DRIVE_NUMBER(device->scsi3addr); - request.cdb[2] = (u8)bmic_device_index; - request.cdb[9] = (u8)(bmic_device_index >> 8); + request.cdb[2] = BMIC_SENSE_FEATURE_IO_PAGE; + request.cdb[3] = BMIC_SENSE_FEATURE_IO_PAGE_AIO_SUBPAGE; - rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, - 0, NULL, NO_TIMEOUT); + rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); pqi_pci_unmap(ctrl_info->pci_dev, request.sg_descriptors, 1, dir); + + if (rc) + goto error; + + if (buffer->header.page_code != BMIC_SENSE_FEATURE_IO_PAGE || + buffer->header.subpage_code != + BMIC_SENSE_FEATURE_IO_PAGE_AIO_SUBPAGE || + get_unaligned_le16(&buffer->header.buffer_length) < + MINIMUM_AIO_SUBPAGE_BUFFER_LENGTH || + buffer->aio_subpage.header.page_code != + BMIC_SENSE_FEATURE_IO_PAGE || + buffer->aio_subpage.header.subpage_code != + BMIC_SENSE_FEATURE_IO_PAGE_AIO_SUBPAGE || + get_unaligned_le16(&buffer->aio_subpage.header.page_length) < + MINIMUM_AIO_SUBPAGE_LENGTH) { + goto error; + } + + ctrl_info->max_transfer_encrypted_sas_sata = + pqi_aio_limit_to_bytes( + &buffer->aio_subpage.max_transfer_encrypted_sas_sata); + + ctrl_info->max_transfer_encrypted_nvme = + pqi_aio_limit_to_bytes( + &buffer->aio_subpage.max_transfer_encrypted_nvme); + + ctrl_info->max_write_raid_5_6 = + pqi_aio_limit_to_bytes( + &buffer->aio_subpage.max_write_raid_5_6); + + ctrl_info->max_write_raid_1_10_2drive = + pqi_aio_limit_to_bytes( + &buffer->aio_subpage.max_write_raid_1_10_2drive); + + ctrl_info->max_write_raid_1_10_3drive = + pqi_aio_limit_to_bytes( + &buffer->aio_subpage.max_write_raid_1_10_3drive); + +error: + kfree(buffer); + return rc; } @@ -720,13 +953,6 @@ static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info, int rc; struct bmic_flush_cache *flush_cache; - /* - * Don't bother trying to flush the cache if the controller is - * locked up. - */ - if (pqi_ctrl_offline(ctrl_info)) - return -ENXIO; - flush_cache = kzalloc(sizeof(*flush_cache), GFP_KERNEL); if (!flush_cache) return -ENOMEM; @@ -749,7 +975,7 @@ int pqi_csmi_smp_passthru(struct pqi_ctrl_info *ctrl_info, buffer, buffer_length, error_info); } -#define PQI_FETCH_PTRAID_DATA (1UL<<31) +#define PQI_FETCH_PTRAID_DATA (1 << 31) static int pqi_set_diag_rescan(struct pqi_ctrl_info *ctrl_info) { @@ -761,14 +987,15 @@ static int pqi_set_diag_rescan(struct pqi_ctrl_info *ctrl_info) return -ENOMEM; rc = pqi_send_ctrl_raid_request(ctrl_info, BMIC_SENSE_DIAG_OPTIONS, - diag, sizeof(*diag)); + diag, sizeof(*diag)); if (rc) goto out; diag->options |= cpu_to_le32(PQI_FETCH_PTRAID_DATA); - rc = pqi_send_ctrl_raid_request(ctrl_info, BMIC_SET_DIAG_OPTIONS, - diag, sizeof(*diag)); + rc = pqi_send_ctrl_raid_request(ctrl_info, BMIC_SET_DIAG_OPTIONS, diag, + sizeof(*diag)); + out: kfree(diag); @@ -779,7 +1006,7 @@ static inline int pqi_write_host_wellness(struct pqi_ctrl_info *ctrl_info, void *buffer, size_t buffer_length) { return pqi_send_ctrl_raid_request(ctrl_info, BMIC_WRITE_HOST_WELLNESS, - buffer, buffer_length); + buffer, buffer_length); } #pragma pack(1) @@ -816,9 +1043,8 @@ static int pqi_write_driver_version_to_host_wellness( buffer->driver_version_tag[1] = 'V'; put_unaligned_le16(sizeof(buffer->driver_version), &buffer->driver_version_length); - strncpy(buffer->driver_version, "Linux " DRIVER_VERSION, - sizeof(buffer->driver_version) - 1); - buffer->driver_version[sizeof(buffer->driver_version) - 1] = '\0'; + strscpy(buffer->driver_version, "Linux " DRIVER_VERSION, + sizeof(buffer->driver_version)); buffer->dont_write_tag[0] = 'D'; buffer->dont_write_tag[1] = 'W'; buffer->end_tag[0] = 'Z'; @@ -894,7 +1120,7 @@ static int pqi_write_current_time_to_host_wellness( return rc; } -#define PQI_UPDATE_TIME_WORK_INTERVAL (24UL * 60 * 60 * PQI_HZ) +#define PQI_UPDATE_TIME_WORK_INTERVAL (24UL * 60 * 60 * HZ) static void pqi_update_time_worker(struct work_struct *work) { @@ -904,9 +1130,6 @@ static void pqi_update_time_worker(struct work_struct *work) ctrl_info = container_of(to_delayed_work(work), struct pqi_ctrl_info, update_time_work); - if (pqi_ctrl_offline(ctrl_info)) - return; - rc = pqi_write_current_time_to_host_wellness(ctrl_info); if (rc) dev_warn(&ctrl_info->pci_dev->dev, @@ -916,27 +1139,23 @@ static void pqi_update_time_worker(struct work_struct *work) PQI_UPDATE_TIME_WORK_INTERVAL); } -static inline void pqi_schedule_update_time_worker( - struct pqi_ctrl_info *ctrl_info) +static inline void pqi_schedule_update_time_worker(struct pqi_ctrl_info *ctrl_info) { schedule_delayed_work(&ctrl_info->update_time_work, 0); } -static inline void pqi_cancel_update_time_worker( - struct pqi_ctrl_info *ctrl_info) +static inline void pqi_cancel_update_time_worker(struct pqi_ctrl_info *ctrl_info) { cancel_delayed_work_sync(&ctrl_info->update_time_work); } -static inline int pqi_report_luns(struct pqi_ctrl_info *ctrl_info, u8 cmd, - void *buffer, size_t buffer_length) +static inline int pqi_report_luns(struct pqi_ctrl_info *ctrl_info, u8 cmd, void *buffer, + size_t buffer_length) { - return pqi_send_ctrl_raid_request(ctrl_info, cmd, buffer, - buffer_length); + return pqi_send_ctrl_raid_request(ctrl_info, cmd, buffer, buffer_length); } -static int pqi_report_phys_logical_luns(struct pqi_ctrl_info *ctrl_info, u8 cmd, - void **buffer) +static int pqi_report_phys_logical_luns(struct pqi_ctrl_info *ctrl_info, u8 cmd, void **buffer) { int rc; size_t lun_list_length; @@ -951,8 +1170,7 @@ static int pqi_report_phys_logical_luns(struct pqi_ctrl_info *ctrl_info, u8 cmd, goto out; } - rc = pqi_report_luns(ctrl_info, cmd, report_lun_header, - sizeof(*report_lun_header)); + rc = pqi_report_luns(ctrl_info, cmd, report_lun_header, sizeof(*report_lun_header)); if (rc) goto out; @@ -976,8 +1194,8 @@ again: if (rc) goto out; - new_lun_list_length = get_unaligned_be32( - &((struct report_lun_header *)lun_data)->list_length); + new_lun_list_length = + get_unaligned_be32(&((struct report_lun_header *)lun_data)->list_length); if (new_lun_list_length > lun_list_length) { lun_list_length = new_lun_list_length; @@ -998,28 +1216,81 @@ out: return rc; } -static inline int pqi_report_phys_luns(struct pqi_ctrl_info *ctrl_info, - void **buffer) +static inline int pqi_report_phys_luns(struct pqi_ctrl_info *ctrl_info, void **buffer) { - return pqi_report_phys_logical_luns(ctrl_info, CISS_REPORT_PHYS, - buffer); + int rc; + unsigned int i; + u8 rpl_response_format; + u32 num_physicals; + void *rpl_list; + struct report_lun_header *rpl_header; + struct report_phys_lun_8byte_wwid_list *rpl_8byte_wwid_list; + struct report_phys_lun_16byte_wwid_list *rpl_16byte_wwid_list; + + rc = pqi_report_phys_logical_luns(ctrl_info, CISS_REPORT_PHYS, &rpl_list); + if (rc) + return rc; + + if (ctrl_info->rpl_extended_format_4_5_supported) { + rpl_header = rpl_list; + rpl_response_format = rpl_header->flags & CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_MASK; + if (rpl_response_format == CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_4) { + *buffer = rpl_list; + return 0; + } else if (rpl_response_format != CISS_REPORT_PHYS_FLAG_EXTENDED_FORMAT_2) { + dev_err(&ctrl_info->pci_dev->dev, + "RPL returned unsupported data format %u\n", + rpl_response_format); + return -EINVAL; + } else { + dev_warn(&ctrl_info->pci_dev->dev, + "RPL returned extended format 2 instead of 4\n"); + } + } + + rpl_8byte_wwid_list = rpl_list; + num_physicals = get_unaligned_be32(&rpl_8byte_wwid_list->header.list_length) / sizeof(rpl_8byte_wwid_list->lun_entries[0]); + + rpl_16byte_wwid_list = kmalloc(struct_size(rpl_16byte_wwid_list, lun_entries, + num_physicals), GFP_KERNEL); + if (!rpl_16byte_wwid_list) + return -ENOMEM; + + put_unaligned_be32(num_physicals * sizeof(struct report_phys_lun_16byte_wwid), + &rpl_16byte_wwid_list->header.list_length); + rpl_16byte_wwid_list->header.flags = rpl_8byte_wwid_list->header.flags; + + for (i = 0; i < num_physicals; i++) { + memcpy(&rpl_16byte_wwid_list->lun_entries[i].lunid, &rpl_8byte_wwid_list->lun_entries[i].lunid, sizeof(rpl_8byte_wwid_list->lun_entries[i].lunid)); + memcpy(&rpl_16byte_wwid_list->lun_entries[i].wwid[0], &rpl_8byte_wwid_list->lun_entries[i].wwid, sizeof(rpl_8byte_wwid_list->lun_entries[i].wwid)); + memset(&rpl_16byte_wwid_list->lun_entries[i].wwid[8], 0, 8); + rpl_16byte_wwid_list->lun_entries[i].device_type = rpl_8byte_wwid_list->lun_entries[i].device_type; + rpl_16byte_wwid_list->lun_entries[i].device_flags = rpl_8byte_wwid_list->lun_entries[i].device_flags; + rpl_16byte_wwid_list->lun_entries[i].lun_count = rpl_8byte_wwid_list->lun_entries[i].lun_count; + rpl_16byte_wwid_list->lun_entries[i].redundant_paths = rpl_8byte_wwid_list->lun_entries[i].redundant_paths; + rpl_16byte_wwid_list->lun_entries[i].aio_handle = rpl_8byte_wwid_list->lun_entries[i].aio_handle; + } + + kfree(rpl_8byte_wwid_list); + *buffer = rpl_16byte_wwid_list; + + return 0; } -static inline int pqi_report_logical_luns(struct pqi_ctrl_info *ctrl_info, - void **buffer) +static inline int pqi_report_logical_luns(struct pqi_ctrl_info *ctrl_info, void **buffer) { return pqi_report_phys_logical_luns(ctrl_info, CISS_REPORT_LOG, buffer); } static int pqi_get_device_lists(struct pqi_ctrl_info *ctrl_info, - struct report_phys_lun_extended **physdev_list, - struct report_log_lun_extended **logdev_list) + struct report_phys_lun_16byte_wwid_list **physdev_list, + struct report_log_lun_list **logdev_list) { int rc; size_t logdev_list_length; size_t logdev_data_length; - struct report_log_lun_extended *internal_logdev_list; - struct report_log_lun_extended *logdev_data; + struct report_log_lun_list *internal_logdev_list; + struct report_log_lun_list *logdev_data; struct report_lun_header report_lun_header; rc = pqi_report_phys_luns(ctrl_info, (void **)physdev_list); @@ -1033,7 +1304,8 @@ static int pqi_get_device_lists(struct pqi_ctrl_info *ctrl_info, "report logical LUNs failed\n"); /* - * Tack the controller itself onto the end of the logical device list. + * Tack the controller itself onto the end of the logical device list + * by adding a list entry that is all zeros. */ logdev_data = *logdev_list; @@ -1044,7 +1316,7 @@ static int pqi_get_device_lists(struct pqi_ctrl_info *ctrl_info, } else { memset(&report_lun_header, 0, sizeof(report_lun_header)); logdev_data = - (struct report_log_lun_extended *)&report_lun_header; + (struct report_log_lun_list *)&report_lun_header; logdev_list_length = 0; } @@ -1052,7 +1324,7 @@ static int pqi_get_device_lists(struct pqi_ctrl_info *ctrl_info, logdev_list_length; internal_logdev_list = kmalloc(logdev_data_length + - sizeof(struct report_log_lun_extended), GFP_KERNEL); + sizeof(struct report_log_lun), GFP_KERNEL); if (!internal_logdev_list) { kfree(*logdev_list); *logdev_list = NULL; @@ -1061,9 +1333,9 @@ static int pqi_get_device_lists(struct pqi_ctrl_info *ctrl_info, memcpy(internal_logdev_list, logdev_data, logdev_data_length); memset((u8 *)internal_logdev_list + logdev_data_length, 0, - sizeof(struct report_log_lun_extended_entry)); + sizeof(struct report_log_lun)); put_unaligned_be32(logdev_list_length + - sizeof(struct report_log_lun_extended_entry), + sizeof(struct report_log_lun), &internal_logdev_list->header.list_length); kfree(*logdev_list); @@ -1163,9 +1435,9 @@ static int pqi_validate_raid_map(struct pqi_ctrl_info *ctrl_info, err_msg = "invalid RAID-1 map"; goto bad_raid_map; } - } else if (device->raid_level == SA_RAID_ADM) { + } else if (device->raid_level == SA_RAID_TRIPLE) { if (get_unaligned_le16(&raid_map->layout_map_count) != 3) { - err_msg = "invalid RAID-1(ADM) map"; + err_msg = "invalid RAID-1(Triple) map"; goto bad_raid_map; } } else if ((device->raid_level == SA_RAID_5 || @@ -1204,9 +1476,7 @@ static int pqi_get_raid_map(struct pqi_ctrl_info *ctrl_info, return -ENOMEM; rc = pqi_send_scsi_raid_request(ctrl_info, CISS_GET_RAID_MAP, - device->scsi3addr, raid_map, sizeof(*raid_map), - 0, NULL, NO_TIMEOUT); - + device->scsi3addr, raid_map, sizeof(*raid_map), 0, NULL); if (rc) goto error; @@ -1221,17 +1491,17 @@ static int pqi_get_raid_map(struct pqi_ctrl_info *ctrl_info, return -ENOMEM; rc = pqi_send_scsi_raid_request(ctrl_info, CISS_GET_RAID_MAP, - device->scsi3addr, raid_map, raid_map_size, - 0, NULL, NO_TIMEOUT); + device->scsi3addr, raid_map, raid_map_size, 0, NULL); if (rc) goto error; if (get_unaligned_le32(&raid_map->structure_size) != raid_map_size) { dev_warn(&ctrl_info->pci_dev->dev, - "Requested %d bytes, received %d bytes", + "requested %u bytes, received %u bytes\n", raid_map_size, get_unaligned_le32(&raid_map->structure_size)); + rc = -EINVAL; goto error; } } @@ -1240,6 +1510,12 @@ static int pqi_get_raid_map(struct pqi_ctrl_info *ctrl_info, if (rc) goto error; + device->raid_io_stats = alloc_percpu(struct pqi_raid_io_stats); + if (!device->raid_io_stats) { + rc = -ENOMEM; + goto error; + } + device->raid_map = raid_map; return 0; @@ -1250,6 +1526,39 @@ error: return rc; } +static void pqi_set_max_transfer_encrypted(struct pqi_ctrl_info *ctrl_info, + struct pqi_scsi_dev *device) +{ + if (!ctrl_info->lv_drive_type_mix_valid) { + device->max_transfer_encrypted = ~0; + return; + } + + switch (LV_GET_DRIVE_TYPE_MIX(device->scsi3addr)) { + case LV_DRIVE_TYPE_MIX_SAS_HDD_ONLY: + case LV_DRIVE_TYPE_MIX_SATA_HDD_ONLY: + case LV_DRIVE_TYPE_MIX_SAS_OR_SATA_SSD_ONLY: + case LV_DRIVE_TYPE_MIX_SAS_SSD_ONLY: + case LV_DRIVE_TYPE_MIX_SATA_SSD_ONLY: + case LV_DRIVE_TYPE_MIX_SAS_ONLY: + case LV_DRIVE_TYPE_MIX_SATA_ONLY: + device->max_transfer_encrypted = + ctrl_info->max_transfer_encrypted_sas_sata; + break; + case LV_DRIVE_TYPE_MIX_NVME_ONLY: + device->max_transfer_encrypted = + ctrl_info->max_transfer_encrypted_nvme; + break; + case LV_DRIVE_TYPE_MIX_UNKNOWN: + case LV_DRIVE_TYPE_MIX_NO_RESTRICTION: + default: + device->max_transfer_encrypted = + min(ctrl_info->max_transfer_encrypted_sas_sata, + ctrl_info->max_transfer_encrypted_nvme); + break; + } +} + static void pqi_get_raid_bypass_status(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device) { @@ -1266,17 +1575,21 @@ static void pqi_get_raid_bypass_status(struct pqi_ctrl_info *ctrl_info, if (rc) goto out; -#define RAID_BYPASS_STATUS 4 -#define RAID_BYPASS_CONFIGURED 0x1 -#define RAID_BYPASS_ENABLED 0x2 +#define RAID_BYPASS_STATUS 4 +#define RAID_BYPASS_CONFIGURED 0x1 +#define RAID_BYPASS_ENABLED 0x2 bypass_status = buffer[RAID_BYPASS_STATUS]; device->raid_bypass_configured = (bypass_status & RAID_BYPASS_CONFIGURED) != 0; if (device->raid_bypass_configured && (bypass_status & RAID_BYPASS_ENABLED) && - pqi_get_raid_map(ctrl_info, device) == 0) + pqi_get_raid_map(ctrl_info, device) == 0) { device->raid_bypass_enabled = true; + if (get_unaligned_le16(&device->raid_map->flags) & + RAID_MAP_ENCRYPTION_ENABLED) + pqi_set_max_transfer_encrypted(ctrl_info, device); + } out: kfree(buffer); @@ -1324,33 +1637,76 @@ no_buffer: device->volume_offline = volume_offline; } -#define PQI_INQUIRY_PAGE0_RETRIES 3 +#define PQI_DEVICE_NCQ_PRIO_SUPPORTED 0x01 +#define PQI_DEVICE_PHY_MAP_SUPPORTED 0x10 +#define PQI_DEVICE_ERASE_IN_PROGRESS 0x10 -static int pqi_get_device_info(struct pqi_ctrl_info *ctrl_info, +static int pqi_get_physical_device_info(struct pqi_ctrl_info *ctrl_info, + struct pqi_scsi_dev *device, + struct bmic_identify_physical_device *id_phys) +{ + int rc; + + memset(id_phys, 0, sizeof(*id_phys)); + + rc = pqi_identify_physical_device(ctrl_info, device, + id_phys, sizeof(*id_phys)); + if (rc) { + device->queue_depth = PQI_PHYSICAL_DISK_DEFAULT_MAX_QUEUE_DEPTH; + return rc; + } + + scsi_sanitize_inquiry_string(&id_phys->model[0], 8); + scsi_sanitize_inquiry_string(&id_phys->model[8], 16); + + memcpy(device->vendor, &id_phys->model[0], sizeof(device->vendor)); + memcpy(device->model, &id_phys->model[8], sizeof(device->model)); + + device->box_index = id_phys->box_index; + device->phys_box_on_bus = id_phys->phys_box_on_bus; + device->phy_connected_dev_type = id_phys->phy_connected_dev_type[0]; + device->queue_depth = + get_unaligned_le16(&id_phys->current_queue_depth_limit); + device->active_path_index = id_phys->active_path_number; + device->path_map = id_phys->redundant_path_present_map; + memcpy(&device->box, + &id_phys->alternate_paths_phys_box_on_port, + sizeof(device->box)); + memcpy(&device->phys_connector, + &id_phys->alternate_paths_phys_connector, + sizeof(device->phys_connector)); + device->bay = id_phys->phys_bay_in_box; + device->lun_count = id_phys->multi_lun_device_lun_count; + if ((id_phys->even_more_flags & PQI_DEVICE_PHY_MAP_SUPPORTED) && + id_phys->phy_count) + device->phy_id = + id_phys->phy_to_phy_map[device->active_path_index]; + else + device->phy_id = 0xFF; + + device->ncq_prio_support = + ((get_unaligned_le32(&id_phys->misc_drive_flags) >> 16) & + PQI_DEVICE_NCQ_PRIO_SUPPORTED); + + device->erase_in_progress = !!(get_unaligned_le16(&id_phys->extra_physical_drive_flags) & PQI_DEVICE_ERASE_IN_PROGRESS); + + return 0; +} + +static int pqi_get_logical_device_info(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device) { int rc; u8 *buffer; - unsigned int retries; - - if (device->is_expander_smp_device) - return 0; buffer = kmalloc(64, GFP_KERNEL); if (!buffer) return -ENOMEM; /* Send an inquiry to the device to see what it is. */ - for (retries = 0;;) { - rc = pqi_scsi_inquiry(ctrl_info, device->scsi3addr, 0, - buffer, 64); - if (rc == 0) - break; - if (pqi_is_logical_device(device) || - rc != PQI_CMD_STATUS_ABORTED || - ++retries > PQI_INQUIRY_PAGE0_RETRIES) - goto out; - } + rc = pqi_scsi_inquiry(ctrl_info, device->scsi3addr, 0, buffer, 64); + if (rc) + goto out; scsi_sanitize_inquiry_string(&buffer[8], 8); scsi_sanitize_inquiry_string(&buffer[16], 16); @@ -1359,7 +1715,7 @@ static int pqi_get_device_info(struct pqi_ctrl_info *ctrl_info, memcpy(device->vendor, &buffer[8], sizeof(device->vendor)); memcpy(device->model, &buffer[16], sizeof(device->model)); - if (pqi_is_logical_device(device) && device->devtype == TYPE_DISK) { + if (device->devtype == TYPE_DISK) { if (device->is_external_raid_device) { device->raid_level = SA_RAID_UNKNOWN; device->volume_status = CISS_LV_OK; @@ -1371,47 +1727,56 @@ static int pqi_get_device_info(struct pqi_ctrl_info *ctrl_info, } } - if (pqi_get_device_id(ctrl_info, device->scsi3addr, - device->unique_id, sizeof(device->unique_id)) < 0) - dev_warn(&ctrl_info->pci_dev->dev, - "Can't get device id for scsi %d:%d:%d:%d\n", - ctrl_info->scsi_host->host_no, - device->bus, device->target, - device->lun); - out: kfree(buffer); return rc; } -static void pqi_get_physical_disk_info(struct pqi_ctrl_info *ctrl_info, +/* + * Prevent adding drive to OS for some corner cases such as a drive + * undergoing a sanitize (erase) operation. Some OSes will continue to poll + * the drive until the sanitize completes, which can take hours, + * resulting in long bootup delays. Commands such as TUR, READ_CAP + * are allowed, but READ/WRITE cause check condition. So the OS + * cannot check/read the partition table. + * Note: devices that have completed sanitize must be re-enabled + * using the management utility. + */ +static inline bool pqi_keep_device_offline(struct pqi_scsi_dev *device) +{ + return device->erase_in_progress; +} + +static int pqi_get_device_info_phys_logical(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, struct bmic_identify_physical_device *id_phys) { int rc; - memset(id_phys, 0, sizeof(*id_phys)); + if (device->is_expander_smp_device) + return 0; - rc = pqi_identify_physical_device(ctrl_info, device, - id_phys, sizeof(*id_phys)); - if (rc) { - device->queue_depth = PQI_PHYSICAL_DISK_DEFAULT_MAX_QUEUE_DEPTH; - return; - } + if (pqi_is_logical_device(device)) + rc = pqi_get_logical_device_info(ctrl_info, device); + else + rc = pqi_get_physical_device_info(ctrl_info, device, id_phys); - device->queue_depth = - get_unaligned_le16(&id_phys->current_queue_depth_limit); - device->device_type = id_phys->device_type; - device->active_path_index = id_phys->active_path_number; - device->path_map = id_phys->redundant_path_present_map; - memcpy(&device->box, - &id_phys->alternate_paths_phys_box_on_port, - sizeof(device->box)); - memcpy(&device->phys_connector, - &id_phys->alternate_paths_phys_connector, - sizeof(device->phys_connector)); - device->bay = id_phys->phys_bay_in_box; + return rc; +} + +static int pqi_get_device_info(struct pqi_ctrl_info *ctrl_info, + struct pqi_scsi_dev *device, + struct bmic_identify_physical_device *id_phys) +{ + int rc; + + rc = pqi_get_device_info_phys_logical(ctrl_info, device, id_phys); + + if (rc == 0 && device->lun_count == 0) + device->lun_count = 1; + + return rc; } static void pqi_show_volume_status(struct pqi_ctrl_info *ctrl_info, @@ -1541,28 +1906,30 @@ static int pqi_add_device(struct pqi_ctrl_info *ctrl_info, return rc; } -#define PQI_PENDING_IO_TIMEOUT_SECS 20 +#define PQI_REMOVE_DEVICE_PENDING_IO_TIMEOUT_MSECS (20 * 1000) -static inline void pqi_remove_device(struct pqi_ctrl_info *ctrl_info, - struct pqi_scsi_dev *device) +static inline void pqi_remove_device(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device) { int rc; + int lun; - pqi_device_remove_start(device); - - rc = pqi_device_wait_for_pending_io(ctrl_info, device, - PQI_PENDING_IO_TIMEOUT_SECS); - if (rc) - dev_err(&ctrl_info->pci_dev->dev, - "scsi %d:%d:%d:%d removing device with %d outstanding commands\n", - ctrl_info->scsi_host->host_no, device->bus, - device->target, device->lun, - atomic_read(&device->scsi_cmds_outstanding)); + for (lun = 0; lun < device->lun_count; lun++) { + rc = pqi_device_wait_for_pending_io(ctrl_info, device, lun, + PQI_REMOVE_DEVICE_PENDING_IO_TIMEOUT_MSECS); + if (rc) + dev_err(&ctrl_info->pci_dev->dev, + "scsi %d:%d:%d:%d removing device with %d outstanding command(s)\n", + ctrl_info->scsi_host->host_no, device->bus, + device->target, lun, + atomic_read(&device->scsi_cmds_outstanding[lun])); + } if (pqi_is_logical_device(device)) scsi_remove_device(device->sdev); else pqi_remove_sas_device(device); + + pqi_device_remove_start(device); } /* Assumes the SCSI device list lock is held. */ @@ -1572,26 +1939,22 @@ static struct pqi_scsi_dev *pqi_find_scsi_dev(struct pqi_ctrl_info *ctrl_info, { struct pqi_scsi_dev *device; - list_for_each_entry(device, &ctrl_info->scsi_device_list, - scsi_device_list_entry) - if (device->bus == bus && device->target == target && - device->lun == lun) + list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) + if (device->bus == bus && device->target == target && device->lun == lun) return device; return NULL; } -static inline bool pqi_device_equal(struct pqi_scsi_dev *dev1, - struct pqi_scsi_dev *dev2) +static inline bool pqi_device_equal(struct pqi_scsi_dev *dev1, struct pqi_scsi_dev *dev2) { if (dev1->is_physical_device != dev2->is_physical_device) return false; if (dev1->is_physical_device) - return dev1->wwid == dev2->wwid; + return memcmp(dev1->wwid, dev2->wwid, sizeof(dev1->wwid)) == 0; - return memcmp(dev1->volume_id, dev2->volume_id, - sizeof(dev1->volume_id)) == 0; + return memcmp(dev1->volume_id, dev2->volume_id, sizeof(dev1->volume_id)) == 0; } enum pqi_find_result { @@ -1601,15 +1964,12 @@ enum pqi_find_result { }; static enum pqi_find_result pqi_scsi_find_entry(struct pqi_ctrl_info *ctrl_info, - struct pqi_scsi_dev *device_to_find, - struct pqi_scsi_dev **matching_device) + struct pqi_scsi_dev *device_to_find, struct pqi_scsi_dev **matching_device) { struct pqi_scsi_dev *device; - list_for_each_entry(device, &ctrl_info->scsi_device_list, - scsi_device_list_entry) { - if (pqi_scsi3addr_equal(device_to_find->scsi3addr, - device->scsi3addr)) { + list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) { + if (pqi_scsi3addr_equal(device_to_find->scsi3addr, device->scsi3addr)) { *matching_device = device; if (pqi_device_equal(device_to_find, device)) { if (device_to_find->volume_offline) @@ -1639,32 +1999,47 @@ static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info, ssize_t count; char buffer[PQI_DEV_INFO_BUFFER_LENGTH]; - count = snprintf(buffer, PQI_DEV_INFO_BUFFER_LENGTH, + count = scnprintf(buffer, PQI_DEV_INFO_BUFFER_LENGTH, "%d:%d:", ctrl_info->scsi_host->host_no, device->bus); if (device->target_lun_valid) - count += snprintf(buffer + count, + count += scnprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count, "%d:%d", device->target, device->lun); else - count += snprintf(buffer + count, + count += scnprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count, "-:-"); - if (pqi_is_logical_device(device)) - count += snprintf(buffer + count, + if (pqi_is_logical_device(device)) { + count += scnprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count, " %08x%08x", *((u32 *)&device->scsi3addr), *((u32 *)&device->scsi3addr[4])); - else - count += snprintf(buffer + count, + } else if (ctrl_info->rpl_extended_format_4_5_supported) { + if (device->device_type == SA_DEVICE_TYPE_NVME) + count += scnprintf(buffer + count, + PQI_DEV_INFO_BUFFER_LENGTH - count, + " %016llx%016llx", + get_unaligned_be64(&device->wwid[0]), + get_unaligned_be64(&device->wwid[8])); + else + count += scnprintf(buffer + count, + PQI_DEV_INFO_BUFFER_LENGTH - count, + " %016llx", + get_unaligned_be64(&device->wwid[0])); + } else { + count += scnprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count, - " %016llx", device->sas_address); + " %016llx", + get_unaligned_be64(&device->wwid[0])); + } - count += snprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count, + + count += scnprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count, " %s %.8s %.16s ", pqi_device_type(device), device->vendor, @@ -1672,19 +2047,19 @@ static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info, if (pqi_is_logical_device(device)) { if (device->devtype == TYPE_DISK) - count += snprintf(buffer + count, + count += scnprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count, "SSDSmartPathCap%c En%c %-12s", device->raid_bypass_configured ? '+' : '-', device->raid_bypass_enabled ? '+' : '-', pqi_raid_level_to_string(device->raid_level)); } else { - count += snprintf(buffer + count, + count += scnprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count, "AIO%c", device->aio_enabled ? '+' : '-'); if (device->devtype == TYPE_DISK || device->devtype == TYPE_ZBC) - count += snprintf(buffer + count, + count += scnprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count, " qd=%-6d", device->queue_depth); } @@ -1692,12 +2067,28 @@ static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info, dev_info(&ctrl_info->pci_dev->dev, "%s %s\n", action, buffer); } +static bool pqi_raid_maps_equal(struct raid_map *raid_map1, struct raid_map *raid_map2) +{ + u32 raid_map1_size; + u32 raid_map2_size; + + if (raid_map1 == NULL || raid_map2 == NULL) + return raid_map1 == raid_map2; + + raid_map1_size = get_unaligned_le32(&raid_map1->structure_size); + raid_map2_size = get_unaligned_le32(&raid_map2->structure_size); + + if (raid_map1_size != raid_map2_size) + return false; + + return memcmp(raid_map1, raid_map2, raid_map1_size) == 0; +} + /* Assumes the SCSI device list lock is held. */ -static void pqi_scsi_update_device(struct pqi_scsi_dev *existing_device, - struct pqi_scsi_dev *new_device) +static void pqi_scsi_update_device(struct pqi_ctrl_info *ctrl_info, + struct pqi_scsi_dev *existing_device, struct pqi_scsi_dev *new_device) { - existing_device->devtype = new_device->devtype; existing_device->device_type = new_device->device_type; existing_device->bus = new_device->bus; if (new_device->target_lun_valid) { @@ -1709,43 +2100,53 @@ static void pqi_scsi_update_device(struct pqi_scsi_dev *existing_device, /* By definition, the scsi3addr and wwid fields are already the same. */ existing_device->is_physical_device = new_device->is_physical_device; - existing_device->is_external_raid_device = - new_device->is_external_raid_device; - existing_device->is_expander_smp_device = - new_device->is_expander_smp_device; - existing_device->aio_enabled = new_device->aio_enabled; - memcpy(existing_device->vendor, new_device->vendor, - sizeof(existing_device->vendor)); - memcpy(existing_device->model, new_device->model, - sizeof(existing_device->model)); + memcpy(existing_device->vendor, new_device->vendor, sizeof(existing_device->vendor)); + memcpy(existing_device->model, new_device->model, sizeof(existing_device->model)); existing_device->sas_address = new_device->sas_address; - existing_device->raid_level = new_device->raid_level; existing_device->queue_depth = new_device->queue_depth; - existing_device->aio_handle = new_device->aio_handle; - existing_device->volume_status = new_device->volume_status; - existing_device->active_path_index = new_device->active_path_index; - existing_device->path_map = new_device->path_map; - existing_device->bay = new_device->bay; - memcpy(existing_device->box, new_device->box, - sizeof(existing_device->box)); - memcpy(existing_device->phys_connector, new_device->phys_connector, - sizeof(existing_device->phys_connector)); - existing_device->offload_to_mirror = 0; - kfree(existing_device->raid_map); - existing_device->raid_map = new_device->raid_map; - existing_device->raid_bypass_configured = - new_device->raid_bypass_configured; - existing_device->raid_bypass_enabled = - new_device->raid_bypass_enabled; existing_device->device_offline = false; - - /* To prevent this from being freed later. */ - new_device->raid_map = NULL; + existing_device->lun_count = new_device->lun_count; + + if (pqi_is_logical_device(existing_device)) { + existing_device->is_external_raid_device = new_device->is_external_raid_device; + + if (existing_device->devtype == TYPE_DISK) { + existing_device->raid_level = new_device->raid_level; + existing_device->volume_status = new_device->volume_status; + memset(existing_device->next_bypass_group, 0, sizeof(existing_device->next_bypass_group)); + if (!pqi_raid_maps_equal(existing_device->raid_map, new_device->raid_map)) { + kfree(existing_device->raid_map); + existing_device->raid_map = new_device->raid_map; + /* To prevent this from being freed later. */ + new_device->raid_map = NULL; + } + if (new_device->raid_bypass_enabled && existing_device->raid_io_stats == NULL) { + existing_device->raid_io_stats = new_device->raid_io_stats; + new_device->raid_io_stats = NULL; + } + existing_device->raid_bypass_configured = new_device->raid_bypass_configured; + existing_device->raid_bypass_enabled = new_device->raid_bypass_enabled; + } + } else { + existing_device->aio_enabled = new_device->aio_enabled; + existing_device->aio_handle = new_device->aio_handle; + existing_device->is_expander_smp_device = new_device->is_expander_smp_device; + existing_device->active_path_index = new_device->active_path_index; + existing_device->phy_id = new_device->phy_id; + existing_device->path_map = new_device->path_map; + existing_device->bay = new_device->bay; + existing_device->box_index = new_device->box_index; + existing_device->phys_box_on_bus = new_device->phys_box_on_bus; + existing_device->phy_connected_dev_type = new_device->phy_connected_dev_type; + memcpy(existing_device->box, new_device->box, sizeof(existing_device->box)); + memcpy(existing_device->phys_connector, new_device->phys_connector, sizeof(existing_device->phys_connector)); + } } static inline void pqi_free_device(struct pqi_scsi_dev *device) { if (device) { + free_percpu(device->raid_io_stats); kfree(device->raid_map); kfree(device); } @@ -1777,6 +2178,29 @@ static inline bool pqi_is_device_added(struct pqi_scsi_dev *device) return device->sdev != NULL; } +static inline void pqi_init_device_tmf_work(struct pqi_scsi_dev *device) +{ + unsigned int lun; + struct pqi_tmf_work *tmf_work; + + for (lun = 0, tmf_work = device->tmf_work; lun < PQI_MAX_LUNS_PER_DEVICE; lun++, tmf_work++) + INIT_WORK(&tmf_work->work_struct, pqi_tmf_worker); +} + +static inline bool pqi_volume_rescan_needed(struct pqi_scsi_dev *device) +{ + if (pqi_device_in_remove(device)) + return false; + + if (device->sdev == NULL) + return false; + + if (!scsi_device_online(device->sdev)) + return false; + + return device->rescan; +} + static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *new_device_list[], unsigned int num_new_devices) { @@ -1800,15 +2224,14 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); /* Assume that all devices in the existing list have gone away. */ - list_for_each_entry(device, &ctrl_info->scsi_device_list, - scsi_device_list_entry) + list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) device->device_gone = true; for (i = 0; i < num_new_devices; i++) { device = new_device_list[i]; find_result = pqi_scsi_find_entry(ctrl_info, device, - &matching_device); + &matching_device); switch (find_result) { case DEVICE_SAME: @@ -1818,7 +2241,7 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, */ device->new_device = false; matching_device->device_gone = false; - pqi_scsi_update_device(matching_device, device); + pqi_scsi_update_device(ctrl_info, matching_device, device); break; case DEVICE_NOT_FOUND: /* @@ -1858,16 +2281,26 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, list_add_tail(&device->add_list_entry, &add_list); /* To prevent this device structure from being freed later. */ device->keep_device = true; + pqi_init_device_tmf_work(device); } spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); - if (pqi_ctrl_in_ofa(ctrl_info)) - pqi_ctrl_ofa_done(ctrl_info); + /* + * If OFA is in progress and there are devices that need to be deleted, + * allow any pending reset operations to continue and unblock any SCSI + * requests before removal. + */ + if (pqi_ofa_in_progress(ctrl_info)) { + list_for_each_entry_safe(device, next, &delete_list, delete_list_entry) + if (pqi_is_device_added(device)) + pqi_device_remove_start(device); + pqi_ctrl_unblock_device_reset(ctrl_info); + pqi_scsi_unblock_requests(ctrl_info); + } /* Remove all devices that have gone away. */ - list_for_each_entry_safe(device, next, &delete_list, - delete_list_entry) { + list_for_each_entry_safe(device, next, &delete_list, delete_list_entry) { if (device->volume_offline) { pqi_dev_info(ctrl_info, "offline", device); pqi_show_volume_status(ctrl_info, device); @@ -1881,25 +2314,37 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, } /* - * Notify the SCSI ML if the queue depth of any existing device has - * changed. + * Notify the SML of any existing device changes such as; + * queue depth, device size. */ - list_for_each_entry(device, &ctrl_info->scsi_device_list, - scsi_device_list_entry) { - if (device->sdev && device->queue_depth != - device->advertised_queue_depth) { + list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) { + /* + * Check for queue depth change. + */ + if (device->sdev && device->queue_depth != device->advertised_queue_depth) { device->advertised_queue_depth = device->queue_depth; - scsi_change_queue_depth(device->sdev, - device->advertised_queue_depth); + scsi_change_queue_depth(device->sdev, device->advertised_queue_depth); + } + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); + /* + * Check for changes in the device, such as size. + */ + if (pqi_volume_rescan_needed(device)) { + device->rescan = false; + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + scsi_rescan_device(device->sdev); + } else { + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); } } /* Expose any new devices. */ list_for_each_entry_safe(device, next, &add_list, add_list_entry) { if (!pqi_is_device_added(device)) { - pqi_dev_info(ctrl_info, "added", device); rc = pqi_add_device(ctrl_info, device); - if (rc) { + if (rc == 0) { + pqi_dev_info(ctrl_info, "added", device); + } else { dev_warn(&ctrl_info->pci_dev->dev, "scsi %d:%d:%d:%d addition failed, device not added\n", ctrl_info->scsi_host->host_no, @@ -1909,38 +2354,22 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, } } } + } -static bool pqi_is_supported_device(struct pqi_scsi_dev *device) +static inline bool pqi_is_supported_device(struct pqi_scsi_dev *device) { - bool is_supported; - - if (device->is_expander_smp_device) - return true; - - is_supported = false; - - switch (device->devtype) { - case TYPE_DISK: - case TYPE_ZBC: - case TYPE_TAPE: - case TYPE_MEDIUM_CHANGER: - case TYPE_ENCLOSURE: - is_supported = true; - break; - case TYPE_RAID: - /* - * Only support the HBA controller itself as a RAID - * controller. If it's a RAID controller other than - * the HBA itself (an external RAID controller, for - * example), we don't support it. - */ - if (pqi_is_hba_lunid(device->scsi3addr)) - is_supported = true; - break; - } + /* + * Only support the HBA controller itself as a RAID + * controller. If it's a RAID controller other than + * the HBA itself (an external RAID controller, for + * example), we don't support it. + */ + if (device->device_type == SA_DEVICE_TYPE_CONTROLLER && + !pqi_is_hba_lunid(device->scsi3addr)) + return false; - return is_supported; + return true; } static inline bool pqi_skip_device(u8 *scsi3addr) @@ -1952,28 +2381,14 @@ static inline bool pqi_skip_device(u8 *scsi3addr) return false; } -static inline bool pqi_is_device_with_sas_address(struct pqi_scsi_dev *device) +static inline void pqi_mask_device(u8 *scsi3addr) { - if (!device->is_physical_device) - return false; - - if (device->is_expander_smp_device) - return true; - - switch (device->devtype) { - case TYPE_DISK: - case TYPE_ZBC: - case TYPE_ENCLOSURE: - return true; - } - - return false; + scsi3addr[3] |= 0xc0; } static inline bool pqi_expose_device(struct pqi_scsi_dev *device) { - return !device->is_physical_device || - !pqi_skip_device(device->scsi3addr); + return !device->is_physical_device || !pqi_skip_device(device->scsi3addr); } static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) @@ -1981,10 +2396,10 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) int i; int rc; LIST_HEAD(new_device_list_head); - struct report_phys_lun_extended *physdev_list = NULL; - struct report_log_lun_extended *logdev_list = NULL; - struct report_phys_lun_extended_entry *phys_lun_ext_entry; - struct report_log_lun_extended_entry *log_lun_ext_entry; + struct report_phys_lun_16byte_wwid_list *physdev_list = NULL; + struct report_log_lun_list *logdev_list = NULL; + struct report_phys_lun_16byte_wwid *phys_lun; + struct report_log_lun *log_lun; struct bmic_identify_physical_device *id_phys = NULL; u32 num_physicals; u32 num_logicals; @@ -1995,6 +2410,8 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) unsigned int num_valid_devices; bool is_physical_device; u8 *scsi3addr; + unsigned int physical_index; + unsigned int logical_index; static char *out_of_memory_msg = "failed to allocate memory, device discovery stopped"; @@ -2030,8 +2447,22 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) rc = -ENOMEM; goto out; } + + if (pqi_hide_vsep) { + for (i = num_physicals - 1; i >= 0; i--) { + phys_lun = &physdev_list->lun_entries[i]; + if (CISS_GET_DRIVE_NUMBER(phys_lun->lunid) == PQI_VSEP_CISS_BTL) { + pqi_mask_device(phys_lun->lunid); + break; + } + } + } } + if (num_logicals && + (logdev_list->header.flags & CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX)) + ctrl_info->lv_drive_type_mix_valid = true; + num_new_devices = num_physicals + num_logicals; new_device_list = kmalloc_array(num_new_devices, @@ -2057,20 +2488,22 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) device = NULL; num_valid_devices = 0; + physical_index = 0; + logical_index = 0; for (i = 0; i < num_new_devices; i++) { - if (i < num_physicals) { + if ((!pqi_expose_ld_first && i < num_physicals) || + (pqi_expose_ld_first && i >= num_logicals)) { is_physical_device = true; - phys_lun_ext_entry = &physdev_list->lun_entries[i]; - log_lun_ext_entry = NULL; - scsi3addr = phys_lun_ext_entry->lunid; + phys_lun = &physdev_list->lun_entries[physical_index++]; + log_lun = NULL; + scsi3addr = phys_lun->lunid; } else { is_physical_device = false; - phys_lun_ext_entry = NULL; - log_lun_ext_entry = - &logdev_list->lun_entries[i - num_physicals]; - scsi3addr = log_lun_ext_entry->lunid; + phys_lun = NULL; + log_lun = &logdev_list->lun_entries[logical_index++]; + scsi3addr = log_lun->lunid; } if (is_physical_device && pqi_skip_device(scsi3addr)) @@ -2085,16 +2518,19 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) memcpy(device->scsi3addr, scsi3addr, sizeof(device->scsi3addr)); device->is_physical_device = is_physical_device; if (is_physical_device) { - if (phys_lun_ext_entry->device_type == - SA_EXPANDER_SMP_DEVICE) + device->device_type = phys_lun->device_type; + if (device->device_type == SA_DEVICE_TYPE_EXPANDER_SMP) device->is_expander_smp_device = true; } else { device->is_external_raid_device = pqi_is_external_raid_addr(scsi3addr); } + if (!pqi_is_supported_device(device)) + continue; + /* Gather information about the device. */ - rc = pqi_get_device_info(ctrl_info, device); + rc = pqi_get_device_info(ctrl_info, device, id_phys); if (rc == -ENOMEM) { dev_warn(&ctrl_info->pci_dev->dev, "%s\n", out_of_memory_msg); @@ -2103,9 +2539,9 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) if (rc) { if (device->is_physical_device) dev_warn(&ctrl_info->pci_dev->dev, - "obtaining device info failed, skipping physical device %016llx\n", - get_unaligned_be64( - &phys_lun_ext_entry->wwid)); + "obtaining device info failed, skipping physical device %016llx%016llx\n", + get_unaligned_be64(&phys_lun->wwid[0]), + get_unaligned_be64(&phys_lun->wwid[8])); else dev_warn(&ctrl_info->pci_dev->dev, "obtaining device info failed, skipping logical device %08x%08x\n", @@ -2115,32 +2551,27 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) continue; } - if (!pqi_is_supported_device(device)) + /* Do not present disks that the OS cannot fully probe. */ + if (pqi_keep_device_offline(device)) continue; pqi_assign_bus_target_lun(device); if (device->is_physical_device) { - device->wwid = phys_lun_ext_entry->wwid; - if ((phys_lun_ext_entry->device_flags & - REPORT_PHYS_LUN_DEV_FLAG_AIO_ENABLED) && - phys_lun_ext_entry->aio_handle) { - device->aio_enabled = true; + memcpy(device->wwid, phys_lun->wwid, sizeof(device->wwid)); + if ((phys_lun->device_flags & + CISS_REPORT_PHYS_DEV_FLAG_AIO_ENABLED) && + phys_lun->aio_handle) { + device->aio_enabled = true; device->aio_handle = - phys_lun_ext_entry->aio_handle; - } - if (device->devtype == TYPE_DISK || - device->devtype == TYPE_ZBC) { - pqi_get_physical_disk_info(ctrl_info, - device, id_phys); + phys_lun->aio_handle; } } else { - memcpy(device->volume_id, log_lun_ext_entry->volume_id, + memcpy(device->volume_id, log_lun->volume_id, sizeof(device->volume_id)); } - if (pqi_is_device_with_sas_address(device)) - device->sas_address = get_unaligned_be64(&device->wwid); + device->sas_address = get_unaligned_be64(&device->wwid[0]); new_device_list[num_valid_devices++] = device; } @@ -2164,42 +2595,25 @@ out: return rc; } -static void pqi_remove_all_scsi_devices(struct pqi_ctrl_info *ctrl_info) -{ - unsigned long flags; - struct pqi_scsi_dev *device; - - while (1) { - spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); - - device = list_first_entry_or_null(&ctrl_info->scsi_device_list, - struct pqi_scsi_dev, scsi_device_list_entry); - if (device) - list_del(&device->scsi_device_list_entry); - - spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, - flags); - - if (!device) - break; - - if (pqi_is_device_added(device)) - pqi_remove_device(ctrl_info, device); - pqi_free_device(device); - } -} - static int pqi_scan_scsi_devices(struct pqi_ctrl_info *ctrl_info) { int rc; + int mutex_acquired; if (pqi_ctrl_offline(ctrl_info)) return -ENXIO; - mutex_lock(&ctrl_info->scan_mutex); + mutex_acquired = mutex_trylock(&ctrl_info->scan_mutex); + + if (!mutex_acquired) { + if (pqi_ctrl_scan_blocked(ctrl_info)) + return -EBUSY; + pqi_schedule_rescan_worker_delayed(ctrl_info); + return -EINPROGRESS; + } rc = pqi_update_scsi_devices(ctrl_info); - if (rc) + if (rc && !pqi_ctrl_scan_blocked(ctrl_info)) pqi_schedule_rescan_worker_delayed(ctrl_info); mutex_unlock(&ctrl_info->scan_mutex); @@ -2212,8 +2626,6 @@ static void pqi_scan_start(struct Scsi_Host *shost) struct pqi_ctrl_info *ctrl_info; ctrl_info = shost_to_hba(shost); - if (pqi_ctrl_in_ofa(ctrl_info)) - return; pqi_scan_scsi_devices(ctrl_info); } @@ -2230,27 +2642,8 @@ static int pqi_scan_finished(struct Scsi_Host *shost, return !mutex_is_locked(&ctrl_info->scan_mutex); } -static void pqi_wait_until_scan_finished(struct pqi_ctrl_info *ctrl_info) -{ - mutex_lock(&ctrl_info->scan_mutex); - mutex_unlock(&ctrl_info->scan_mutex); -} - -static void pqi_wait_until_lun_reset_finished(struct pqi_ctrl_info *ctrl_info) -{ - mutex_lock(&ctrl_info->lun_reset_mutex); - mutex_unlock(&ctrl_info->lun_reset_mutex); -} - -static void pqi_wait_until_ofa_finished(struct pqi_ctrl_info *ctrl_info) -{ - mutex_lock(&ctrl_info->ofa_mutex); - mutex_unlock(&ctrl_info->ofa_mutex); -} - -static inline void pqi_set_encryption_info( - struct pqi_encryption_info *encryption_info, struct raid_map *raid_map, - u64 first_block) +static inline void pqi_set_encryption_info(struct pqi_encryption_info *encryption_info, + struct raid_map *raid_map, u64 first_block) { u32 volume_blk_size; @@ -2273,333 +2666,419 @@ static inline void pqi_set_encryption_info( * Attempt to perform RAID bypass mapping for a logical volume I/O. */ +static bool pqi_aio_raid_level_supported(struct pqi_ctrl_info *ctrl_info, + struct pqi_scsi_dev_raid_map_data *rmd) +{ + bool is_supported = true; + + switch (rmd->raid_level) { + case SA_RAID_0: + break; + case SA_RAID_1: + if (rmd->is_write && (!ctrl_info->enable_r1_writes || + rmd->data_length > ctrl_info->max_write_raid_1_10_2drive)) + is_supported = false; + break; + case SA_RAID_TRIPLE: + if (rmd->is_write && (!ctrl_info->enable_r1_writes || + rmd->data_length > ctrl_info->max_write_raid_1_10_3drive)) + is_supported = false; + break; + case SA_RAID_5: + if (rmd->is_write && (!ctrl_info->enable_r5_writes || + rmd->data_length > ctrl_info->max_write_raid_5_6)) + is_supported = false; + break; + case SA_RAID_6: + if (rmd->is_write && (!ctrl_info->enable_r6_writes || + rmd->data_length > ctrl_info->max_write_raid_5_6)) + is_supported = false; + break; + default: + is_supported = false; + break; + } + + return is_supported; +} + #define PQI_RAID_BYPASS_INELIGIBLE 1 -static int pqi_raid_bypass_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, - struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, - struct pqi_queue_group *queue_group) +static int pqi_get_aio_lba_and_block_count(struct scsi_cmnd *scmd, + struct pqi_scsi_dev_raid_map_data *rmd) { - struct raid_map *raid_map; - bool is_write = false; - u32 map_index; - u64 first_block; - u64 last_block; - u32 block_cnt; - u32 blocks_per_row; - u64 first_row; - u64 last_row; - u32 first_row_offset; - u32 last_row_offset; - u32 first_column; - u32 last_column; - u64 r0_first_row; - u64 r0_last_row; - u32 r5or6_blocks_per_row; - u64 r5or6_first_row; - u64 r5or6_last_row; - u32 r5or6_first_row_offset; - u32 r5or6_last_row_offset; - u32 r5or6_first_column; - u32 r5or6_last_column; - u16 data_disks_per_row; - u32 total_disks_per_row; - u16 layout_map_count; - u32 stripesize; - u16 strip_size; - u32 first_group; - u32 last_group; - u32 current_group; - u32 map_row; - u32 aio_handle; - u64 disk_block; - u32 disk_block_cnt; - u8 cdb[16]; - u8 cdb_length; - int offload_to_mirror; - struct pqi_encryption_info *encryption_info_ptr; - struct pqi_encryption_info encryption_info; -#if BITS_PER_LONG == 32 - u64 tmpdiv; -#endif - /* Check for valid opcode, get LBA and block count. */ switch (scmd->cmnd[0]) { case WRITE_6: - is_write = true; - /* fall through */ + rmd->is_write = true; + fallthrough; case READ_6: - first_block = (u64)(((scmd->cmnd[1] & 0x1f) << 16) | + rmd->first_block = (u64)(((scmd->cmnd[1] & 0x1f) << 16) | (scmd->cmnd[2] << 8) | scmd->cmnd[3]); - block_cnt = (u32)scmd->cmnd[4]; - if (block_cnt == 0) - block_cnt = 256; + rmd->block_cnt = (u32)scmd->cmnd[4]; + if (rmd->block_cnt == 0) + rmd->block_cnt = 256; break; case WRITE_10: - is_write = true; - /* fall through */ + rmd->is_write = true; + fallthrough; case READ_10: - first_block = (u64)get_unaligned_be32(&scmd->cmnd[2]); - block_cnt = (u32)get_unaligned_be16(&scmd->cmnd[7]); + rmd->first_block = (u64)get_unaligned_be32(&scmd->cmnd[2]); + rmd->block_cnt = (u32)get_unaligned_be16(&scmd->cmnd[7]); break; case WRITE_12: - is_write = true; - /* fall through */ + rmd->is_write = true; + fallthrough; case READ_12: - first_block = (u64)get_unaligned_be32(&scmd->cmnd[2]); - block_cnt = get_unaligned_be32(&scmd->cmnd[6]); + rmd->first_block = (u64)get_unaligned_be32(&scmd->cmnd[2]); + rmd->block_cnt = get_unaligned_be32(&scmd->cmnd[6]); break; case WRITE_16: - is_write = true; - /* fall through */ + rmd->is_write = true; + fallthrough; case READ_16: - first_block = get_unaligned_be64(&scmd->cmnd[2]); - block_cnt = get_unaligned_be32(&scmd->cmnd[10]); + rmd->first_block = get_unaligned_be64(&scmd->cmnd[2]); + rmd->block_cnt = get_unaligned_be32(&scmd->cmnd[10]); break; default: /* Process via normal I/O path. */ return PQI_RAID_BYPASS_INELIGIBLE; } - /* Check for write to non-RAID-0. */ - if (is_write && device->raid_level != SA_RAID_0) - return PQI_RAID_BYPASS_INELIGIBLE; + put_unaligned_le32(scsi_bufflen(scmd), &rmd->data_length); - if (unlikely(block_cnt == 0)) - return PQI_RAID_BYPASS_INELIGIBLE; + return 0; +} - last_block = first_block + block_cnt - 1; - raid_map = device->raid_map; +static int pci_get_aio_common_raid_map_values(struct pqi_ctrl_info *ctrl_info, + struct pqi_scsi_dev_raid_map_data *rmd, struct raid_map *raid_map) +{ +#if BITS_PER_LONG == 32 + u64 tmpdiv; +#endif + + rmd->last_block = rmd->first_block + rmd->block_cnt - 1; /* Check for invalid block or wraparound. */ - if (last_block >= get_unaligned_le64(&raid_map->volume_blk_cnt) || - last_block < first_block) + if (rmd->last_block >= + get_unaligned_le64(&raid_map->volume_blk_cnt) || + rmd->last_block < rmd->first_block) return PQI_RAID_BYPASS_INELIGIBLE; - data_disks_per_row = get_unaligned_le16(&raid_map->data_disks_per_row); - strip_size = get_unaligned_le16(&raid_map->strip_size); - layout_map_count = get_unaligned_le16(&raid_map->layout_map_count); + rmd->data_disks_per_row = + get_unaligned_le16(&raid_map->data_disks_per_row); + rmd->strip_size = get_unaligned_le16(&raid_map->strip_size); + rmd->layout_map_count = get_unaligned_le16(&raid_map->layout_map_count); /* Calculate stripe information for the request. */ - blocks_per_row = data_disks_per_row * strip_size; + rmd->blocks_per_row = rmd->data_disks_per_row * rmd->strip_size; + if (rmd->blocks_per_row == 0) /* Used as a divisor in many calculations */ + return PQI_RAID_BYPASS_INELIGIBLE; #if BITS_PER_LONG == 32 - tmpdiv = first_block; - do_div(tmpdiv, blocks_per_row); - first_row = tmpdiv; - tmpdiv = last_block; - do_div(tmpdiv, blocks_per_row); - last_row = tmpdiv; - first_row_offset = (u32)(first_block - (first_row * blocks_per_row)); - last_row_offset = (u32)(last_block - (last_row * blocks_per_row)); - tmpdiv = first_row_offset; - do_div(tmpdiv, strip_size); - first_column = tmpdiv; - tmpdiv = last_row_offset; - do_div(tmpdiv, strip_size); - last_column = tmpdiv; + tmpdiv = rmd->first_block; + do_div(tmpdiv, rmd->blocks_per_row); + rmd->first_row = tmpdiv; + tmpdiv = rmd->last_block; + do_div(tmpdiv, rmd->blocks_per_row); + rmd->last_row = tmpdiv; + rmd->first_row_offset = (u32)(rmd->first_block - (rmd->first_row * rmd->blocks_per_row)); + rmd->last_row_offset = (u32)(rmd->last_block - (rmd->last_row * rmd->blocks_per_row)); + tmpdiv = rmd->first_row_offset; + do_div(tmpdiv, rmd->strip_size); + rmd->first_column = tmpdiv; + tmpdiv = rmd->last_row_offset; + do_div(tmpdiv, rmd->strip_size); + rmd->last_column = tmpdiv; #else - first_row = first_block / blocks_per_row; - last_row = last_block / blocks_per_row; - first_row_offset = (u32)(first_block - (first_row * blocks_per_row)); - last_row_offset = (u32)(last_block - (last_row * blocks_per_row)); - first_column = first_row_offset / strip_size; - last_column = last_row_offset / strip_size; + rmd->first_row = rmd->first_block / rmd->blocks_per_row; + rmd->last_row = rmd->last_block / rmd->blocks_per_row; + rmd->first_row_offset = (u32)(rmd->first_block - + (rmd->first_row * rmd->blocks_per_row)); + rmd->last_row_offset = (u32)(rmd->last_block - (rmd->last_row * + rmd->blocks_per_row)); + rmd->first_column = rmd->first_row_offset / rmd->strip_size; + rmd->last_column = rmd->last_row_offset / rmd->strip_size; #endif /* If this isn't a single row/column then give to the controller. */ - if (first_row != last_row || first_column != last_column) + if (rmd->first_row != rmd->last_row || + rmd->first_column != rmd->last_column) return PQI_RAID_BYPASS_INELIGIBLE; /* Proceeding with driver mapping. */ - total_disks_per_row = data_disks_per_row + + rmd->total_disks_per_row = rmd->data_disks_per_row + get_unaligned_le16(&raid_map->metadata_disks_per_row); - map_row = ((u32)(first_row >> raid_map->parity_rotation_shift)) % + rmd->map_row = ((u32)(rmd->first_row >> + raid_map->parity_rotation_shift)) % get_unaligned_le16(&raid_map->row_cnt); - map_index = (map_row * total_disks_per_row) + first_column; + rmd->map_index = (rmd->map_row * rmd->total_disks_per_row) + + rmd->first_column; - /* RAID 1 */ - if (device->raid_level == SA_RAID_1) { - if (device->offload_to_mirror) - map_index += data_disks_per_row; - device->offload_to_mirror = !device->offload_to_mirror; - } else if (device->raid_level == SA_RAID_ADM) { - /* RAID ADM */ - /* - * Handles N-way mirrors (R1-ADM) and R10 with # of drives - * divisible by 3. - */ - offload_to_mirror = device->offload_to_mirror; - if (offload_to_mirror == 0) { - /* use physical disk in the first mirrored group. */ - map_index %= data_disks_per_row; - } else { - do { - /* - * Determine mirror group that map_index - * indicates. - */ - current_group = map_index / data_disks_per_row; - - if (offload_to_mirror != current_group) { - if (current_group < - layout_map_count - 1) { - /* - * Select raid index from - * next group. - */ - map_index += data_disks_per_row; - current_group++; - } else { - /* - * Select raid index from first - * group. - */ - map_index %= data_disks_per_row; - current_group = 0; - } - } - } while (offload_to_mirror != current_group); - } + return 0; +} - /* Set mirror group to use next time. */ - offload_to_mirror = - (offload_to_mirror >= layout_map_count - 1) ? - 0 : offload_to_mirror + 1; - WARN_ON(offload_to_mirror >= layout_map_count); - device->offload_to_mirror = offload_to_mirror; - /* - * Avoid direct use of device->offload_to_mirror within this - * function since multiple threads might simultaneously - * increment it beyond the range of device->layout_map_count -1. - */ - } else if ((device->raid_level == SA_RAID_5 || - device->raid_level == SA_RAID_6) && layout_map_count > 1) { - /* RAID 50/60 */ - /* Verify first and last block are in same RAID group */ - r5or6_blocks_per_row = strip_size * data_disks_per_row; - stripesize = r5or6_blocks_per_row * layout_map_count; +static int pqi_calc_aio_r5_or_r6(struct pqi_scsi_dev_raid_map_data *rmd, + struct raid_map *raid_map) +{ +#if BITS_PER_LONG == 32 + u64 tmpdiv; +#endif + + if (rmd->blocks_per_row == 0) /* Used as a divisor in many calculations */ + return PQI_RAID_BYPASS_INELIGIBLE; + + /* RAID 50/60 */ + /* Verify first and last block are in same RAID group. */ + rmd->stripesize = rmd->blocks_per_row * rmd->layout_map_count; #if BITS_PER_LONG == 32 - tmpdiv = first_block; - first_group = do_div(tmpdiv, stripesize); - tmpdiv = first_group; - do_div(tmpdiv, r5or6_blocks_per_row); - first_group = tmpdiv; - tmpdiv = last_block; - last_group = do_div(tmpdiv, stripesize); - tmpdiv = last_group; - do_div(tmpdiv, r5or6_blocks_per_row); - last_group = tmpdiv; + tmpdiv = rmd->first_block; + rmd->first_group = do_div(tmpdiv, rmd->stripesize); + tmpdiv = rmd->first_group; + do_div(tmpdiv, rmd->blocks_per_row); + rmd->first_group = tmpdiv; + tmpdiv = rmd->last_block; + rmd->last_group = do_div(tmpdiv, rmd->stripesize); + tmpdiv = rmd->last_group; + do_div(tmpdiv, rmd->blocks_per_row); + rmd->last_group = tmpdiv; #else - first_group = (first_block % stripesize) / r5or6_blocks_per_row; - last_group = (last_block % stripesize) / r5or6_blocks_per_row; + rmd->first_group = (rmd->first_block % rmd->stripesize) / rmd->blocks_per_row; + rmd->last_group = (rmd->last_block % rmd->stripesize) / rmd->blocks_per_row; #endif - if (first_group != last_group) - return PQI_RAID_BYPASS_INELIGIBLE; + if (rmd->first_group != rmd->last_group) + return PQI_RAID_BYPASS_INELIGIBLE; - /* Verify request is in a single row of RAID 5/6 */ + /* Verify request is in a single row of RAID 5/6. */ #if BITS_PER_LONG == 32 - tmpdiv = first_block; - do_div(tmpdiv, stripesize); - first_row = r5or6_first_row = r0_first_row = tmpdiv; - tmpdiv = last_block; - do_div(tmpdiv, stripesize); - r5or6_last_row = r0_last_row = tmpdiv; + tmpdiv = rmd->first_block; + do_div(tmpdiv, rmd->stripesize); + rmd->first_row = tmpdiv; + rmd->r5or6_first_row = tmpdiv; + tmpdiv = rmd->last_block; + do_div(tmpdiv, rmd->stripesize); + rmd->r5or6_last_row = tmpdiv; #else - first_row = r5or6_first_row = r0_first_row = - first_block / stripesize; - r5or6_last_row = r0_last_row = last_block / stripesize; + rmd->first_row = rmd->r5or6_first_row = + rmd->first_block / rmd->stripesize; + rmd->r5or6_last_row = rmd->last_block / rmd->stripesize; #endif - if (r5or6_first_row != r5or6_last_row) - return PQI_RAID_BYPASS_INELIGIBLE; + if (rmd->r5or6_first_row != rmd->r5or6_last_row) + return PQI_RAID_BYPASS_INELIGIBLE; - /* Verify request is in a single column */ + /* Verify request is in a single column. */ #if BITS_PER_LONG == 32 - tmpdiv = first_block; - first_row_offset = do_div(tmpdiv, stripesize); - tmpdiv = first_row_offset; - first_row_offset = (u32)do_div(tmpdiv, r5or6_blocks_per_row); - r5or6_first_row_offset = first_row_offset; - tmpdiv = last_block; - r5or6_last_row_offset = do_div(tmpdiv, stripesize); - tmpdiv = r5or6_last_row_offset; - r5or6_last_row_offset = do_div(tmpdiv, r5or6_blocks_per_row); - tmpdiv = r5or6_first_row_offset; - do_div(tmpdiv, strip_size); - first_column = r5or6_first_column = tmpdiv; - tmpdiv = r5or6_last_row_offset; - do_div(tmpdiv, strip_size); - r5or6_last_column = tmpdiv; + tmpdiv = rmd->first_block; + rmd->first_row_offset = do_div(tmpdiv, rmd->stripesize); + tmpdiv = rmd->first_row_offset; + rmd->first_row_offset = (u32)do_div(tmpdiv, rmd->blocks_per_row); + rmd->r5or6_first_row_offset = rmd->first_row_offset; + tmpdiv = rmd->last_block; + rmd->r5or6_last_row_offset = do_div(tmpdiv, rmd->stripesize); + tmpdiv = rmd->r5or6_last_row_offset; + rmd->r5or6_last_row_offset = do_div(tmpdiv, rmd->blocks_per_row); + tmpdiv = rmd->r5or6_first_row_offset; + do_div(tmpdiv, rmd->strip_size); + rmd->first_column = rmd->r5or6_first_column = tmpdiv; + tmpdiv = rmd->r5or6_last_row_offset; + do_div(tmpdiv, rmd->strip_size); + rmd->r5or6_last_column = tmpdiv; #else - first_row_offset = r5or6_first_row_offset = - (u32)((first_block % stripesize) % - r5or6_blocks_per_row); + rmd->first_row_offset = rmd->r5or6_first_row_offset = + (u32)((rmd->first_block % rmd->stripesize) % + rmd->blocks_per_row); + + rmd->r5or6_last_row_offset = + (u32)((rmd->last_block % rmd->stripesize) % + rmd->blocks_per_row); + + rmd->first_column = + rmd->r5or6_first_row_offset / rmd->strip_size; + rmd->r5or6_first_column = rmd->first_column; + rmd->r5or6_last_column = rmd->r5or6_last_row_offset / rmd->strip_size; +#endif + if (rmd->r5or6_first_column != rmd->r5or6_last_column) + return PQI_RAID_BYPASS_INELIGIBLE; + + /* Request is eligible. */ + rmd->map_row = + ((u32)(rmd->first_row >> raid_map->parity_rotation_shift)) % + get_unaligned_le16(&raid_map->row_cnt); + + rmd->map_index = (rmd->first_group * + (get_unaligned_le16(&raid_map->row_cnt) * + rmd->total_disks_per_row)) + + (rmd->map_row * rmd->total_disks_per_row) + rmd->first_column; - r5or6_last_row_offset = - (u32)((last_block % stripesize) % - r5or6_blocks_per_row); + if (rmd->is_write) { + u32 index; - first_column = r5or6_first_row_offset / strip_size; - r5or6_first_column = first_column; - r5or6_last_column = r5or6_last_row_offset / strip_size; + /* + * p_parity_it_nexus and q_parity_it_nexus are pointers to the + * parity entries inside the device's raid_map. + * + * A device's RAID map is bounded by: number of RAID disks squared. + * + * The devices RAID map size is checked during device + * initialization. + */ + index = DIV_ROUND_UP(rmd->map_index + 1, rmd->total_disks_per_row); + index *= rmd->total_disks_per_row; + index -= get_unaligned_le16(&raid_map->metadata_disks_per_row); + + rmd->p_parity_it_nexus = raid_map->disk_data[index].aio_handle; + if (rmd->raid_level == SA_RAID_6) { + rmd->q_parity_it_nexus = raid_map->disk_data[index + 1].aio_handle; + rmd->xor_mult = raid_map->disk_data[rmd->map_index].xor_mult[1]; + } +#if BITS_PER_LONG == 32 + tmpdiv = rmd->first_block; + do_div(tmpdiv, rmd->blocks_per_row); + rmd->row = tmpdiv; +#else + rmd->row = rmd->first_block / rmd->blocks_per_row; #endif - if (r5or6_first_column != r5or6_last_column) - return PQI_RAID_BYPASS_INELIGIBLE; + } - /* Request is eligible */ - map_row = - ((u32)(first_row >> raid_map->parity_rotation_shift)) % - get_unaligned_le16(&raid_map->row_cnt); + return 0; +} - map_index = (first_group * - (get_unaligned_le16(&raid_map->row_cnt) * - total_disks_per_row)) + - (map_row * total_disks_per_row) + first_column; +static void pqi_set_aio_cdb(struct pqi_scsi_dev_raid_map_data *rmd) +{ + /* Build the new CDB for the physical disk I/O. */ + if (rmd->disk_block > 0xffffffff) { + rmd->cdb[0] = rmd->is_write ? WRITE_16 : READ_16; + rmd->cdb[1] = 0; + put_unaligned_be64(rmd->disk_block, &rmd->cdb[2]); + put_unaligned_be32(rmd->disk_block_cnt, &rmd->cdb[10]); + rmd->cdb[14] = 0; + rmd->cdb[15] = 0; + rmd->cdb_length = 16; + } else { + rmd->cdb[0] = rmd->is_write ? WRITE_10 : READ_10; + rmd->cdb[1] = 0; + put_unaligned_be32((u32)rmd->disk_block, &rmd->cdb[2]); + rmd->cdb[6] = 0; + put_unaligned_be16((u16)rmd->disk_block_cnt, &rmd->cdb[7]); + rmd->cdb[9] = 0; + rmd->cdb_length = 10; } +} - aio_handle = raid_map->disk_data[map_index].aio_handle; - disk_block = get_unaligned_le64(&raid_map->disk_starting_blk) + - first_row * strip_size + - (first_row_offset - first_column * strip_size); - disk_block_cnt = block_cnt; +static void pqi_calc_aio_r1_nexus(struct raid_map *raid_map, + struct pqi_scsi_dev_raid_map_data *rmd) +{ + u32 index; + u32 group; + + group = rmd->map_index / rmd->data_disks_per_row; + + index = rmd->map_index - (group * rmd->data_disks_per_row); + rmd->it_nexus[0] = raid_map->disk_data[index].aio_handle; + index += rmd->data_disks_per_row; + rmd->it_nexus[1] = raid_map->disk_data[index].aio_handle; + if (rmd->layout_map_count > 2) { + index += rmd->data_disks_per_row; + rmd->it_nexus[2] = raid_map->disk_data[index].aio_handle; + } + + rmd->num_it_nexus_entries = rmd->layout_map_count; +} + +static int pqi_raid_bypass_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, + struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, + struct pqi_queue_group *queue_group) +{ + int rc; + struct raid_map *raid_map; + u32 group; + u32 next_bypass_group; + struct pqi_encryption_info *encryption_info_ptr; + struct pqi_encryption_info encryption_info; + struct pqi_scsi_dev_raid_map_data rmd = { 0 }; + + rc = pqi_get_aio_lba_and_block_count(scmd, &rmd); + if (rc) + return PQI_RAID_BYPASS_INELIGIBLE; + + rmd.raid_level = device->raid_level; + + if (!pqi_aio_raid_level_supported(ctrl_info, &rmd)) + return PQI_RAID_BYPASS_INELIGIBLE; + + if (unlikely(rmd.block_cnt == 0)) + return PQI_RAID_BYPASS_INELIGIBLE; + + raid_map = device->raid_map; + + rc = pci_get_aio_common_raid_map_values(ctrl_info, &rmd, raid_map); + if (rc) + return PQI_RAID_BYPASS_INELIGIBLE; + + if (device->raid_level == SA_RAID_1 || + device->raid_level == SA_RAID_TRIPLE) { + if (rmd.is_write) { + pqi_calc_aio_r1_nexus(raid_map, &rmd); + } else { + group = device->next_bypass_group[rmd.map_index]; + next_bypass_group = group + 1; + if (next_bypass_group >= rmd.layout_map_count) + next_bypass_group = 0; + device->next_bypass_group[rmd.map_index] = next_bypass_group; + rmd.map_index += group * rmd.data_disks_per_row; + } + } else if ((device->raid_level == SA_RAID_5 || + device->raid_level == SA_RAID_6) && + (rmd.layout_map_count > 1 || rmd.is_write)) { + rc = pqi_calc_aio_r5_or_r6(&rmd, raid_map); + if (rc) + return PQI_RAID_BYPASS_INELIGIBLE; + } + + if (unlikely(rmd.map_index >= RAID_MAP_MAX_ENTRIES)) + return PQI_RAID_BYPASS_INELIGIBLE; + + rmd.aio_handle = raid_map->disk_data[rmd.map_index].aio_handle; + rmd.disk_block = get_unaligned_le64(&raid_map->disk_starting_blk) + + rmd.first_row * rmd.strip_size + + (rmd.first_row_offset - rmd.first_column * rmd.strip_size); + rmd.disk_block_cnt = rmd.block_cnt; /* Handle differing logical/physical block sizes. */ if (raid_map->phys_blk_shift) { - disk_block <<= raid_map->phys_blk_shift; - disk_block_cnt <<= raid_map->phys_blk_shift; + rmd.disk_block <<= raid_map->phys_blk_shift; + rmd.disk_block_cnt <<= raid_map->phys_blk_shift; } - if (unlikely(disk_block_cnt > 0xffff)) + if (unlikely(rmd.disk_block_cnt > 0xffff)) return PQI_RAID_BYPASS_INELIGIBLE; - /* Build the new CDB for the physical disk I/O. */ - if (disk_block > 0xffffffff) { - cdb[0] = is_write ? WRITE_16 : READ_16; - cdb[1] = 0; - put_unaligned_be64(disk_block, &cdb[2]); - put_unaligned_be32(disk_block_cnt, &cdb[10]); - cdb[14] = 0; - cdb[15] = 0; - cdb_length = 16; - } else { - cdb[0] = is_write ? WRITE_10 : READ_10; - cdb[1] = 0; - put_unaligned_be32((u32)disk_block, &cdb[2]); - cdb[6] = 0; - put_unaligned_be16((u16)disk_block_cnt, &cdb[7]); - cdb[9] = 0; - cdb_length = 10; - } - - if (get_unaligned_le16(&raid_map->flags) & - RAID_MAP_ENCRYPTION_ENABLED) { - pqi_set_encryption_info(&encryption_info, raid_map, - first_block); + pqi_set_aio_cdb(&rmd); + + if (get_unaligned_le16(&raid_map->flags) & RAID_MAP_ENCRYPTION_ENABLED) { + if (rmd.data_length > device->max_transfer_encrypted) + return PQI_RAID_BYPASS_INELIGIBLE; + pqi_set_encryption_info(&encryption_info, raid_map, rmd.first_block); encryption_info_ptr = &encryption_info; } else { encryption_info_ptr = NULL; } - return pqi_aio_submit_io(ctrl_info, scmd, aio_handle, - cdb, cdb_length, queue_group, encryption_info_ptr, true); + if (rmd.is_write) { + switch (device->raid_level) { + case SA_RAID_1: + case SA_RAID_TRIPLE: + return pqi_aio_submit_r1_write_io(ctrl_info, scmd, queue_group, + encryption_info_ptr, device, &rmd); + case SA_RAID_5: + case SA_RAID_6: + return pqi_aio_submit_r56_write_io(ctrl_info, scmd, queue_group, + encryption_info_ptr, device, &rmd); + } + } + + return pqi_aio_submit_io(ctrl_info, scmd, rmd.aio_handle, + rmd.cdb, rmd.cdb_length, queue_group, + encryption_info_ptr, true, false); } #define PQI_STATUS_IDLE 0x0 @@ -2624,7 +3103,7 @@ static int pqi_wait_for_pqi_mode_ready(struct pqi_ctrl_info *ctrl_info) u8 status; pqi_registers = ctrl_info->pqi_registers; - timeout = (PQI_MODE_READY_TIMEOUT_SECS * PQI_HZ) + jiffies; + timeout = (PQI_MODE_READY_TIMEOUT_SECS * HZ) + jiffies; while (1) { signature = readq(&pqi_registers->signature); @@ -2762,10 +3241,25 @@ static void pqi_process_raid_io_error(struct pqi_io_request *io_request) scsi_normalize_sense(error_info->data, sense_data_length, &sshdr) && sshdr.sense_key == HARDWARE_ERROR && - sshdr.asc == 0x3e && - sshdr.ascq == 0x1) { - pqi_take_device_offline(scmd->device, "RAID"); - host_byte = DID_NO_CONNECT; + sshdr.asc == 0x3e) { + struct pqi_ctrl_info *ctrl_info = shost_to_hba(scmd->device->host); + struct pqi_scsi_dev *device = scmd->device->hostdata; + + switch (sshdr.ascq) { + case 0x1: /* LOGICAL UNIT FAILURE */ + if (printk_ratelimit()) + scmd_printk(KERN_ERR, scmd, "received 'logical unit failure' from controller for scsi %d:%d:%d:%d\n", + ctrl_info->scsi_host->host_no, device->bus, device->target, device->lun); + pqi_take_device_offline(scmd->device, "RAID"); + host_byte = DID_NO_CONNECT; + break; + + default: /* See http://www.t10.org/lists/asc-num.htm#ASC_3E */ + if (printk_ratelimit()) + scmd_printk(KERN_ERR, scmd, "received unhandled error %d from controller for scsi %d:%d:%d:%d\n", + sshdr.ascq, ctrl_info->scsi_host->host_no, device->bus, device->target, device->lun); + break; + } } if (sense_data_length > SCSI_SENSE_BUFFERSIZE) @@ -2774,6 +3268,20 @@ static void pqi_process_raid_io_error(struct pqi_io_request *io_request) sense_data_length); } + if (pqi_cmd_priv(scmd)->this_residual && + !pqi_is_logical_device(scmd->device->hostdata) && + scsi_status == SAM_STAT_CHECK_CONDITION && + host_byte == DID_OK && + sense_data_length && + scsi_normalize_sense(error_info->data, sense_data_length, &sshdr) && + sshdr.sense_key == ILLEGAL_REQUEST && + sshdr.asc == 0x26 && + sshdr.ascq == 0x0) { + host_byte = DID_NO_CONNECT; + pqi_take_device_offline(scmd->device, "AIO"); + scsi_build_sense_buffer(0, scmd->sense_buffer, HARDWARE_ERROR, 0x3e, 0x1); + } + scmd->result = scsi_status; set_host_byte(scmd, host_byte); } @@ -2861,8 +3369,7 @@ static void pqi_process_aio_io_error(struct pqi_io_request *io_request) } if (device_offline && sense_data_length == 0) - scsi_build_sense_buffer(0, scmd->sense_buffer, HARDWARE_ERROR, - 0x3e, 0x1); + scsi_build_sense(scmd, 0, HARDWARE_ERROR, 0x3e, 0x1); scmd->result = scsi_status; set_host_byte(scmd, host_byte); @@ -2881,7 +3388,7 @@ static void pqi_process_io_error(unsigned int iu_type, } } -static int pqi_interpret_task_management_response( +static int pqi_interpret_task_management_response(struct pqi_ctrl_info *ctrl_info, struct pqi_task_management_response *response) { int rc; @@ -2894,18 +3401,30 @@ static int pqi_interpret_task_management_response( case SOP_TMF_REJECTED: rc = -EAGAIN; break; + case SOP_TMF_INCORRECT_LOGICAL_UNIT: + rc = -ENODEV; + break; default: rc = -EIO; break; } + if (rc) + dev_err(&ctrl_info->pci_dev->dev, + "Task Management Function error: %d (response code: %u)\n", rc, response->response_code); + return rc; } -static unsigned int pqi_process_io_intr(struct pqi_ctrl_info *ctrl_info, - struct pqi_queue_group *queue_group) +static inline void pqi_invalid_response(struct pqi_ctrl_info *ctrl_info, + enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason) +{ + pqi_take_ctrl_offline(ctrl_info, ctrl_shutdown_reason); +} + +static int pqi_process_io_intr(struct pqi_ctrl_info *ctrl_info, struct pqi_queue_group *queue_group) { - unsigned int num_responses; + int num_responses; pqi_index_t oq_pi; pqi_index_t oq_ci; struct pqi_io_request *io_request; @@ -2917,6 +3436,13 @@ static unsigned int pqi_process_io_intr(struct pqi_ctrl_info *ctrl_info, while (1) { oq_pi = readl(queue_group->oq_pi); + if (oq_pi >= ctrl_info->num_elements_per_oq) { + pqi_invalid_response(ctrl_info, PQI_IO_PI_OUT_OF_RANGE); + dev_err(&ctrl_info->pci_dev->dev, + "I/O interrupt: producer index (%u) out of range (0-%u): consumer index: %u\n", + oq_pi, ctrl_info->num_elements_per_oq - 1, oq_ci); + return -1; + } if (oq_pi == oq_ci) break; @@ -2925,29 +3451,39 @@ static unsigned int pqi_process_io_intr(struct pqi_ctrl_info *ctrl_info, (oq_ci * PQI_OPERATIONAL_OQ_ELEMENT_LENGTH); request_id = get_unaligned_le16(&response->request_id); - WARN_ON(request_id >= ctrl_info->max_io_slots); + if (request_id >= ctrl_info->max_io_slots) { + pqi_invalid_response(ctrl_info, PQI_INVALID_REQ_ID); + dev_err(&ctrl_info->pci_dev->dev, + "request ID in response (%u) out of range (0-%u): producer index: %u consumer index: %u\n", + request_id, ctrl_info->max_io_slots - 1, oq_pi, oq_ci); + return -1; + } io_request = &ctrl_info->io_request_pool[request_id]; - WARN_ON(atomic_read(&io_request->refcount) == 0); + if (atomic_read(&io_request->refcount) == 0) { + pqi_invalid_response(ctrl_info, PQI_UNMATCHED_REQ_ID); + dev_err(&ctrl_info->pci_dev->dev, + "request ID in response (%u) does not match an outstanding I/O request: producer index: %u consumer index: %u\n", + request_id, oq_pi, oq_ci); + return -1; + } switch (response->header.iu_type) { case PQI_RESPONSE_IU_RAID_PATH_IO_SUCCESS: case PQI_RESPONSE_IU_AIO_PATH_IO_SUCCESS: if (io_request->scmd) io_request->scmd->result = 0; - /* fall through */ + fallthrough; case PQI_RESPONSE_IU_GENERAL_MANAGEMENT: break; case PQI_RESPONSE_IU_VENDOR_GENERAL: io_request->status = get_unaligned_le16( - &((struct pqi_vendor_general_response *) - response)->status); + &((struct pqi_vendor_general_response *)response)->status); break; case PQI_RESPONSE_IU_TASK_MANAGEMENT: - io_request->status = - pqi_interpret_task_management_response( - (void *)response); + io_request->status = pqi_interpret_task_management_response(ctrl_info, + (void *)response); break; case PQI_RESPONSE_IU_AIO_PATH_DISABLED: pqi_aio_path_disabled(io_request); @@ -2958,24 +3494,22 @@ static unsigned int pqi_process_io_intr(struct pqi_ctrl_info *ctrl_info, io_request->error_info = ctrl_info->error_buffer + (get_unaligned_le16(&response->error_index) * PQI_ERROR_BUFFER_ELEMENT_LENGTH); - pqi_process_io_error(response->header.iu_type, - io_request); + pqi_process_io_error(response->header.iu_type, io_request); break; default: + pqi_invalid_response(ctrl_info, PQI_UNEXPECTED_IU_TYPE); dev_err(&ctrl_info->pci_dev->dev, - "unexpected IU type: 0x%x\n", - response->header.iu_type); - break; + "unexpected IU type: 0x%x: producer index: %u consumer index: %u\n", + response->header.iu_type, oq_pi, oq_ci); + return -1; } - io_request->io_complete_callback(io_request, - io_request->context); + io_request->io_complete_callback(io_request, io_request->context); /* * Note that the I/O request structure CANNOT BE TOUCHED after * returning from the I/O completion callback! */ - oq_ci = (oq_ci + 1) % ctrl_info->num_elements_per_oq; } @@ -3057,8 +3591,8 @@ static void pqi_acknowledge_event(struct pqi_ctrl_info *ctrl_info, put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, &request.header.iu_length); request.event_type = event->event_type; - request.event_id = event->event_id; - request.additional_event_id = event->additional_event_id; + put_unaligned_le16(event->event_id, &request.event_id); + put_unaligned_le32(event->additional_event_id, &request.additional_event_id); pqi_send_event_ack(ctrl_info, &request, sizeof(request)); } @@ -3069,10 +3603,10 @@ static void pqi_acknowledge_event(struct pqi_ctrl_info *ctrl_info, static enum pqi_soft_reset_status pqi_poll_for_soft_reset_status( struct pqi_ctrl_info *ctrl_info) { - unsigned long timeout; u8 status; + unsigned long timeout; - timeout = (PQI_SOFT_RESET_STATUS_TIMEOUT_SECS * PQI_HZ) + jiffies; + timeout = (PQI_SOFT_RESET_STATUS_TIMEOUT_SECS * HZ) + jiffies; while (1) { status = pqi_read_soft_reset_status(ctrl_info); @@ -3082,133 +3616,218 @@ static enum pqi_soft_reset_status pqi_poll_for_soft_reset_status( if (status & PQI_SOFT_RESET_ABORT) return RESET_ABORT; + if (!sis_is_firmware_running(ctrl_info)) + return RESET_NORESPONSE; + if (time_after(jiffies, timeout)) { - dev_err(&ctrl_info->pci_dev->dev, + dev_warn(&ctrl_info->pci_dev->dev, "timed out waiting for soft reset status\n"); return RESET_TIMEDOUT; } - if (!sis_is_firmware_running(ctrl_info)) - return RESET_NORESPONSE; - ssleep(PQI_SOFT_RESET_STATUS_POLL_INTERVAL_SECS); } } -static void pqi_process_soft_reset(struct pqi_ctrl_info *ctrl_info, - enum pqi_soft_reset_status reset_status) +static void pqi_process_soft_reset(struct pqi_ctrl_info *ctrl_info) { int rc; + unsigned int delay_secs; + enum pqi_soft_reset_status reset_status; + + if (ctrl_info->soft_reset_handshake_supported) + reset_status = pqi_poll_for_soft_reset_status(ctrl_info); + else + reset_status = RESET_INITIATE_FIRMWARE; + + delay_secs = PQI_POST_RESET_DELAY_SECS; switch (reset_status) { - case RESET_INITIATE_DRIVER: - /* fall through */ case RESET_TIMEDOUT: + delay_secs = PQI_POST_OFA_RESET_DELAY_UPON_TIMEOUT_SECS; + fallthrough; + case RESET_INITIATE_DRIVER: dev_info(&ctrl_info->pci_dev->dev, - "resetting controller %u\n", ctrl_info->ctrl_id); + "Online Firmware Activation: resetting controller\n"); sis_soft_reset(ctrl_info); - /* fall through */ + fallthrough; case RESET_INITIATE_FIRMWARE: - rc = pqi_ofa_ctrl_restart(ctrl_info); - pqi_ofa_free_host_buffer(ctrl_info); + ctrl_info->pqi_mode_enabled = false; + pqi_save_ctrl_mode(ctrl_info, SIS_MODE); + rc = pqi_ofa_ctrl_restart(ctrl_info, delay_secs); + pqi_host_free_buffer(ctrl_info, &ctrl_info->ofa_memory); + pqi_ctrl_ofa_done(ctrl_info); dev_info(&ctrl_info->pci_dev->dev, - "Online Firmware Activation for controller %u: %s\n", - ctrl_info->ctrl_id, rc == 0 ? "SUCCESS" : "FAILED"); + "Online Firmware Activation: %s\n", + rc == 0 ? "SUCCESS" : "FAILED"); break; case RESET_ABORT: - pqi_ofa_ctrl_unquiesce(ctrl_info); dev_info(&ctrl_info->pci_dev->dev, - "Online Firmware Activation for controller %u: %s\n", - ctrl_info->ctrl_id, "ABORTED"); + "Online Firmware Activation ABORTED\n"); + if (ctrl_info->soft_reset_handshake_supported) + pqi_clear_soft_reset_status(ctrl_info); + pqi_host_free_buffer(ctrl_info, &ctrl_info->ofa_memory); + pqi_ctrl_ofa_done(ctrl_info); + pqi_ofa_ctrl_unquiesce(ctrl_info); break; case RESET_NORESPONSE: - pqi_ofa_free_host_buffer(ctrl_info); - pqi_take_ctrl_offline(ctrl_info); + fallthrough; + default: + dev_err(&ctrl_info->pci_dev->dev, + "unexpected Online Firmware Activation reset status: 0x%x\n", + reset_status); + pqi_host_free_buffer(ctrl_info, &ctrl_info->ofa_memory); + pqi_ctrl_ofa_done(ctrl_info); + pqi_ofa_ctrl_unquiesce(ctrl_info); + pqi_take_ctrl_offline(ctrl_info, PQI_OFA_RESPONSE_TIMEOUT); break; } } -static void pqi_ofa_process_event(struct pqi_ctrl_info *ctrl_info, - struct pqi_event *event) +static void pqi_ofa_memory_alloc_worker(struct work_struct *work) { - u16 event_id; - enum pqi_soft_reset_status status; + struct pqi_ctrl_info *ctrl_info; - event_id = get_unaligned_le16(&event->event_id); + ctrl_info = container_of(work, struct pqi_ctrl_info, ofa_memory_alloc_work); - mutex_lock(&ctrl_info->ofa_mutex); + pqi_ctrl_ofa_start(ctrl_info); + pqi_host_setup_buffer(ctrl_info, &ctrl_info->ofa_memory, ctrl_info->ofa_bytes_requested, ctrl_info->ofa_bytes_requested); + pqi_host_memory_update(ctrl_info, &ctrl_info->ofa_memory, PQI_VENDOR_GENERAL_OFA_MEMORY_UPDATE); +} - if (event_id == PQI_EVENT_OFA_QUIESCE) { - dev_info(&ctrl_info->pci_dev->dev, - "Received Online Firmware Activation quiesce event for controller %u\n", - ctrl_info->ctrl_id); - pqi_ofa_ctrl_quiesce(ctrl_info); - pqi_acknowledge_event(ctrl_info, event); - if (ctrl_info->soft_reset_handshake_supported) { - status = pqi_poll_for_soft_reset_status(ctrl_info); - pqi_process_soft_reset(ctrl_info, status); - } else { - pqi_process_soft_reset(ctrl_info, - RESET_INITIATE_FIRMWARE); - } +static void pqi_ofa_quiesce_worker(struct work_struct *work) +{ + struct pqi_ctrl_info *ctrl_info; + struct pqi_event *event; + + ctrl_info = container_of(work, struct pqi_ctrl_info, ofa_quiesce_work); + + event = &ctrl_info->events[pqi_event_type_to_event_index(PQI_EVENT_TYPE_OFA)]; + + pqi_ofa_ctrl_quiesce(ctrl_info); + pqi_acknowledge_event(ctrl_info, event); + pqi_process_soft_reset(ctrl_info); +} + +static bool pqi_ofa_process_event(struct pqi_ctrl_info *ctrl_info, + struct pqi_event *event) +{ + bool ack_event; + + ack_event = true; - } else if (event_id == PQI_EVENT_OFA_MEMORY_ALLOCATION) { - pqi_acknowledge_event(ctrl_info, event); - pqi_ofa_setup_host_buffer(ctrl_info, - le32_to_cpu(event->ofa_bytes_requested)); - pqi_ofa_host_memory_update(ctrl_info); - } else if (event_id == PQI_EVENT_OFA_CANCELLED) { - pqi_ofa_free_host_buffer(ctrl_info); - pqi_acknowledge_event(ctrl_info, event); + switch (event->event_id) { + case PQI_EVENT_OFA_MEMORY_ALLOCATION: dev_info(&ctrl_info->pci_dev->dev, - "Online Firmware Activation(%u) cancel reason : %u\n", - ctrl_info->ctrl_id, event->ofa_cancel_reason); + "received Online Firmware Activation memory allocation request\n"); + schedule_work(&ctrl_info->ofa_memory_alloc_work); + break; + case PQI_EVENT_OFA_QUIESCE: + dev_info(&ctrl_info->pci_dev->dev, + "received Online Firmware Activation quiesce request\n"); + schedule_work(&ctrl_info->ofa_quiesce_work); + ack_event = false; + break; + case PQI_EVENT_OFA_CANCELED: + dev_info(&ctrl_info->pci_dev->dev, + "received Online Firmware Activation cancel request: reason: %u\n", + ctrl_info->ofa_cancel_reason); + pqi_host_free_buffer(ctrl_info, &ctrl_info->ofa_memory); + pqi_ctrl_ofa_done(ctrl_info); + break; + default: + dev_err(&ctrl_info->pci_dev->dev, + "received unknown Online Firmware Activation request: event ID: %u\n", + event->event_id); + break; } - mutex_unlock(&ctrl_info->ofa_mutex); + return ack_event; +} + +static void pqi_mark_volumes_for_rescan(struct pqi_ctrl_info *ctrl_info) +{ + unsigned long flags; + struct pqi_scsi_dev *device; + + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); + + list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) { + if (pqi_is_logical_device(device) && device->devtype == TYPE_DISK) + device->rescan = true; + } + + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); +} + +static void pqi_disable_raid_bypass(struct pqi_ctrl_info *ctrl_info) +{ + unsigned long flags; + struct pqi_scsi_dev *device; + + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); + + list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) + if (device->raid_bypass_enabled) + device->raid_bypass_enabled = false; + + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); } static void pqi_event_worker(struct work_struct *work) { unsigned int i; + bool rescan_needed; struct pqi_ctrl_info *ctrl_info; struct pqi_event *event; + bool ack_event; ctrl_info = container_of(work, struct pqi_ctrl_info, event_work); pqi_ctrl_busy(ctrl_info); - pqi_wait_if_ctrl_blocked(ctrl_info, NO_TIMEOUT); + pqi_wait_if_ctrl_blocked(ctrl_info); if (pqi_ctrl_offline(ctrl_info)) goto out; - pqi_schedule_rescan_worker_delayed(ctrl_info); - + rescan_needed = false; event = ctrl_info->events; for (i = 0; i < PQI_NUM_SUPPORTED_EVENTS; i++) { if (event->pending) { event->pending = false; if (event->event_type == PQI_EVENT_TYPE_OFA) { - pqi_ctrl_unbusy(ctrl_info); - pqi_ofa_process_event(ctrl_info, event); - return; + ack_event = pqi_ofa_process_event(ctrl_info, event); + } else { + ack_event = true; + rescan_needed = true; + if (event->event_type == PQI_EVENT_TYPE_LOGICAL_DEVICE) + pqi_mark_volumes_for_rescan(ctrl_info); + else if (event->event_type == PQI_EVENT_TYPE_AIO_STATE_CHANGE) + pqi_disable_raid_bypass(ctrl_info); } - pqi_acknowledge_event(ctrl_info, event); + if (ack_event) + pqi_acknowledge_event(ctrl_info, event); } event++; } +#define PQI_RESCAN_WORK_FOR_EVENT_DELAY (5 * HZ) + + if (rescan_needed) + pqi_schedule_rescan_worker_with_delay(ctrl_info, + PQI_RESCAN_WORK_FOR_EVENT_DELAY); + out: pqi_ctrl_unbusy(ctrl_info); } -#define PQI_HEARTBEAT_TIMER_INTERVAL (10 * PQI_HZ) +#define PQI_HEARTBEAT_TIMER_INTERVAL (10 * HZ) static void pqi_heartbeat_timer_handler(struct timer_list *t) { int num_interrupts; u32 heartbeat_count; - struct pqi_ctrl_info *ctrl_info = from_timer(ctrl_info, t, - heartbeat_timer); + struct pqi_ctrl_info *ctrl_info = timer_container_of(ctrl_info, t, + heartbeat_timer); pqi_check_ctrl_health(ctrl_info); if (pqi_ctrl_offline(ctrl_info)) @@ -3222,7 +3841,7 @@ static void pqi_heartbeat_timer_handler(struct timer_list *t) dev_err(&ctrl_info->pci_dev->dev, "no heartbeat detected - last heartbeat count: %u\n", heartbeat_count); - pqi_take_ctrl_offline(ctrl_info); + pqi_take_ctrl_offline(ctrl_info, PQI_NO_HEARTBEAT); return; } } else { @@ -3251,46 +3870,27 @@ static void pqi_start_heartbeat_timer(struct pqi_ctrl_info *ctrl_info) static inline void pqi_stop_heartbeat_timer(struct pqi_ctrl_info *ctrl_info) { - del_timer_sync(&ctrl_info->heartbeat_timer); + timer_delete_sync(&ctrl_info->heartbeat_timer); } -static inline int pqi_event_type_to_event_index(unsigned int event_type) +static void pqi_ofa_capture_event_payload(struct pqi_ctrl_info *ctrl_info, + struct pqi_event *event, struct pqi_event_response *response) { - int index; - - for (index = 0; index < ARRAY_SIZE(pqi_supported_event_types); index++) - if (event_type == pqi_supported_event_types[index]) - return index; - - return -1; -} - -static inline bool pqi_is_supported_event(unsigned int event_type) -{ - return pqi_event_type_to_event_index(event_type) != -1; -} - -static void pqi_ofa_capture_event_payload(struct pqi_event *event, - struct pqi_event_response *response) -{ - u16 event_id; - - event_id = get_unaligned_le16(&event->event_id); - - if (event->event_type == PQI_EVENT_TYPE_OFA) { - if (event_id == PQI_EVENT_OFA_MEMORY_ALLOCATION) { - event->ofa_bytes_requested = - response->data.ofa_memory_allocation.bytes_requested; - } else if (event_id == PQI_EVENT_OFA_CANCELLED) { - event->ofa_cancel_reason = - response->data.ofa_cancelled.reason; - } + switch (event->event_id) { + case PQI_EVENT_OFA_MEMORY_ALLOCATION: + ctrl_info->ofa_bytes_requested = + get_unaligned_le32(&response->data.ofa_memory_allocation.bytes_requested); + break; + case PQI_EVENT_OFA_CANCELED: + ctrl_info->ofa_cancel_reason = + get_unaligned_le16(&response->data.ofa_cancelled.reason); + break; } } -static unsigned int pqi_process_event_intr(struct pqi_ctrl_info *ctrl_info) +static int pqi_process_event_intr(struct pqi_ctrl_info *ctrl_info) { - unsigned int num_events; + int num_events; pqi_index_t oq_pi; pqi_index_t oq_ci; struct pqi_event_queue *event_queue; @@ -3304,26 +3904,31 @@ static unsigned int pqi_process_event_intr(struct pqi_ctrl_info *ctrl_info) while (1) { oq_pi = readl(event_queue->oq_pi); + if (oq_pi >= PQI_NUM_EVENT_QUEUE_ELEMENTS) { + pqi_invalid_response(ctrl_info, PQI_EVENT_PI_OUT_OF_RANGE); + dev_err(&ctrl_info->pci_dev->dev, + "event interrupt: producer index (%u) out of range (0-%u): consumer index: %u\n", + oq_pi, PQI_NUM_EVENT_QUEUE_ELEMENTS - 1, oq_ci); + return -1; + } + if (oq_pi == oq_ci) break; num_events++; - response = event_queue->oq_element_array + - (oq_ci * PQI_EVENT_OQ_ELEMENT_LENGTH); - - event_index = - pqi_event_type_to_event_index(response->event_type); - - if (event_index >= 0) { - if (response->request_acknowlege) { - event = &ctrl_info->events[event_index]; - event->pending = true; - event->event_type = response->event_type; - event->event_id = response->event_id; - event->additional_event_id = - response->additional_event_id; - pqi_ofa_capture_event_payload(event, response); - } + response = event_queue->oq_element_array + (oq_ci * PQI_EVENT_OQ_ELEMENT_LENGTH); + + event_index = pqi_event_type_to_event_index(response->event_type); + + if (event_index >= 0 && response->request_acknowledge) { + event = &ctrl_info->events[event_index]; + event->pending = true; + event->event_type = response->event_type; + event->event_id = get_unaligned_le16(&response->event_id); + event->additional_event_id = + get_unaligned_le32(&response->additional_event_id); + if (event->event_type == PQI_EVENT_TYPE_OFA) + pqi_ofa_capture_event_payload(ctrl_info, event, response); } oq_ci = (oq_ci + 1) % PQI_NUM_EVENT_QUEUE_ELEMENTS; @@ -3340,8 +3945,7 @@ static unsigned int pqi_process_event_intr(struct pqi_ctrl_info *ctrl_info) #define PQI_LEGACY_INTX_MASK 0x1 -static inline void pqi_configure_legacy_intx(struct pqi_ctrl_info *ctrl_info, - bool enable_intx) +static inline void pqi_configure_legacy_intx(struct pqi_ctrl_info *ctrl_info, bool enable_intx) { u32 intx_mask; struct pqi_device_registers __iomem *pqi_registers; @@ -3418,8 +4022,7 @@ static inline bool pqi_is_valid_irq(struct pqi_ctrl_info *ctrl_info) valid_irq = true; break; case IRQ_MODE_INTX: - intx_status = - readl(&ctrl_info->pqi_registers->legacy_intx_status); + intx_status = readl(&ctrl_info->pqi_registers->legacy_intx_status); if (intx_status & PQI_LEGACY_INTX_PENDING) valid_irq = true; else @@ -3438,7 +4041,8 @@ static irqreturn_t pqi_irq_handler(int irq, void *data) { struct pqi_ctrl_info *ctrl_info; struct pqi_queue_group *queue_group; - unsigned int num_responses_handled; + int num_io_responses_handled; + int num_events_handled; queue_group = data; ctrl_info = queue_group->ctrl_info; @@ -3446,17 +4050,25 @@ static irqreturn_t pqi_irq_handler(int irq, void *data) if (!pqi_is_valid_irq(ctrl_info)) return IRQ_NONE; - num_responses_handled = pqi_process_io_intr(ctrl_info, queue_group); + num_io_responses_handled = pqi_process_io_intr(ctrl_info, queue_group); + if (num_io_responses_handled < 0) + goto out; - if (irq == ctrl_info->event_irq) - num_responses_handled += pqi_process_event_intr(ctrl_info); + if (irq == ctrl_info->event_irq) { + num_events_handled = pqi_process_event_intr(ctrl_info); + if (num_events_handled < 0) + goto out; + } else { + num_events_handled = 0; + } - if (num_responses_handled) + if (num_io_responses_handled + num_events_handled > 0) atomic_inc(&ctrl_info->num_interrupts); pqi_start_io(ctrl_info, queue_group, RAID_PATH, NULL); pqi_start_io(ctrl_info, queue_group, AIO_PATH, NULL); +out: return IRQ_HANDLED; } @@ -3497,10 +4109,14 @@ static void pqi_free_irqs(struct pqi_ctrl_info *ctrl_info) static int pqi_enable_msix_interrupts(struct pqi_ctrl_info *ctrl_info) { int num_vectors_enabled; + unsigned int flags = PCI_IRQ_MSIX; + + if (!pqi_disable_managed_interrupts) + flags |= PCI_IRQ_AFFINITY; num_vectors_enabled = pci_alloc_irq_vectors(ctrl_info->pci_dev, PQI_MIN_MSIX_VECTORS, ctrl_info->num_queue_groups, - PCI_IRQ_MSIX | PCI_IRQ_AFFINITY); + flags); if (num_vectors_enabled < 0) { dev_err(&ctrl_info->pci_dev->dev, "MSI-X init failed with error %d\n", @@ -3731,7 +4347,8 @@ static int pqi_alloc_admin_queues(struct pqi_ctrl_info *ctrl_info) &admin_queues_aligned->iq_element_array; admin_queues->oq_element_array = &admin_queues_aligned->oq_element_array; - admin_queues->iq_ci = &admin_queues_aligned->iq_ci; + admin_queues->iq_ci = + (pqi_index_t __iomem *)&admin_queues_aligned->iq_ci; admin_queues->oq_pi = (pqi_index_t __iomem *)&admin_queues_aligned->oq_pi; @@ -3745,8 +4362,8 @@ static int pqi_alloc_admin_queues(struct pqi_ctrl_info *ctrl_info) ctrl_info->admin_queue_memory_base); admin_queues->iq_ci_bus_addr = ctrl_info->admin_queue_memory_base_dma_handle + - ((void *)admin_queues->iq_ci - - ctrl_info->admin_queue_memory_base); + ((void __iomem *)admin_queues->iq_ci - + (void __iomem *)ctrl_info->admin_queue_memory_base); admin_queues->oq_pi_bus_addr = ctrl_info->admin_queue_memory_base_dma_handle + ((void __iomem *)admin_queues->oq_pi - @@ -3755,7 +4372,7 @@ static int pqi_alloc_admin_queues(struct pqi_ctrl_info *ctrl_info) return 0; } -#define PQI_ADMIN_QUEUE_CREATE_TIMEOUT_JIFFIES PQI_HZ +#define PQI_ADMIN_QUEUE_CREATE_TIMEOUT_JIFFIES HZ #define PQI_ADMIN_QUEUE_CREATE_POLL_INTERVAL_MSECS 1 static int pqi_create_admin_queues(struct pqi_ctrl_info *ctrl_info) @@ -3779,20 +4396,21 @@ static int pqi_create_admin_queues(struct pqi_ctrl_info *ctrl_info) &pqi_registers->admin_oq_pi_addr); reg = PQI_ADMIN_IQ_NUM_ELEMENTS | - (PQI_ADMIN_OQ_NUM_ELEMENTS) << 8 | + (PQI_ADMIN_OQ_NUM_ELEMENTS << 8) | (admin_queues->int_msg_num << 16); writel(reg, &pqi_registers->admin_iq_num_elements); + writel(PQI_CREATE_ADMIN_QUEUE_PAIR, &pqi_registers->function_and_status_code); timeout = PQI_ADMIN_QUEUE_CREATE_TIMEOUT_JIFFIES + jiffies; while (1) { + msleep(PQI_ADMIN_QUEUE_CREATE_POLL_INTERVAL_MSECS); status = readb(&pqi_registers->function_and_status_code); if (status == PQI_STATUS_IDLE) break; if (time_after(jiffies, timeout)) return -ETIMEDOUT; - msleep(PQI_ADMIN_QUEUE_CREATE_POLL_INTERVAL_MSECS); } /* @@ -3848,7 +4466,7 @@ static int pqi_poll_for_admin_response(struct pqi_ctrl_info *ctrl_info, admin_queues = &ctrl_info->admin_queues; oq_ci = admin_queues->oq_ci_copy; - timeout = (PQI_ADMIN_REQUEST_TIMEOUT_SECS * PQI_HZ) + jiffies; + timeout = (PQI_ADMIN_REQUEST_TIMEOUT_SECS * HZ) + jiffies; while (1) { oq_pi = readl(admin_queues->oq_pi); @@ -3963,7 +4581,7 @@ static int pqi_wait_for_completion_io(struct pqi_ctrl_info *ctrl_info, while (1) { if (wait_for_completion_io_timeout(wait, - PQI_WAIT_FOR_COMPLETION_IO_TIMEOUT_SECS * PQI_HZ)) { + PQI_WAIT_FOR_COMPLETION_IO_TIMEOUT_SECS * HZ)) { rc = 0; break; } @@ -3986,8 +4604,8 @@ static void pqi_raid_synchronous_complete(struct pqi_io_request *io_request, complete(waiting); } -static int pqi_process_raid_io_error_synchronous(struct pqi_raid_error_info - *error_info) +static int pqi_process_raid_io_error_synchronous( + struct pqi_raid_error_info *error_info) { int rc = -EIO; @@ -4009,56 +4627,41 @@ static int pqi_process_raid_io_error_synchronous(struct pqi_raid_error_info return rc; } +static inline bool pqi_is_blockable_request(struct pqi_iu_header *request) +{ + return (request->driver_flags & PQI_DRIVER_NONBLOCKABLE_REQUEST) == 0; +} + static int pqi_submit_raid_request_synchronous(struct pqi_ctrl_info *ctrl_info, struct pqi_iu_header *request, unsigned int flags, - struct pqi_raid_error_info *error_info, unsigned long timeout_msecs) + struct pqi_raid_error_info *error_info) { int rc = 0; struct pqi_io_request *io_request; - unsigned long start_jiffies; - unsigned long msecs_blocked; size_t iu_length; DECLARE_COMPLETION_ONSTACK(wait); - /* - * Note that specifying PQI_SYNC_FLAGS_INTERRUPTABLE and a timeout value - * are mutually exclusive. - */ - if (flags & PQI_SYNC_FLAGS_INTERRUPTABLE) { if (down_interruptible(&ctrl_info->sync_request_sem)) return -ERESTARTSYS; } else { - if (timeout_msecs == NO_TIMEOUT) { - down(&ctrl_info->sync_request_sem); - } else { - start_jiffies = jiffies; - if (down_timeout(&ctrl_info->sync_request_sem, - msecs_to_jiffies(timeout_msecs))) - return -ETIMEDOUT; - msecs_blocked = - jiffies_to_msecs(jiffies - start_jiffies); - if (msecs_blocked >= timeout_msecs) - return -ETIMEDOUT; - timeout_msecs -= msecs_blocked; - } + down(&ctrl_info->sync_request_sem); } pqi_ctrl_busy(ctrl_info); - timeout_msecs = pqi_wait_if_ctrl_blocked(ctrl_info, timeout_msecs); - if (timeout_msecs == 0) { - pqi_ctrl_unbusy(ctrl_info); - rc = -ETIMEDOUT; - goto out; - } + /* + * Wait for other admin queue updates such as; + * config table changes, OFA memory updates, ... + */ + if (pqi_is_blockable_request(request)) + pqi_wait_if_ctrl_blocked(ctrl_info); if (pqi_ctrl_offline(ctrl_info)) { - pqi_ctrl_unbusy(ctrl_info); rc = -ENXIO; goto out; } - io_request = pqi_alloc_io_request(ctrl_info); + io_request = pqi_alloc_io_request(ctrl_info, NULL); put_unaligned_le16(io_request->index, &(((struct pqi_raid_path_request *)request)->request_id)); @@ -4074,37 +4677,24 @@ static int pqi_submit_raid_request_synchronous(struct pqi_ctrl_info *ctrl_info, io_request->io_complete_callback = pqi_raid_synchronous_complete; io_request->context = &wait; - pqi_start_io(ctrl_info, - &ctrl_info->queue_groups[PQI_DEFAULT_QUEUE_GROUP], RAID_PATH, + pqi_start_io(ctrl_info, &ctrl_info->queue_groups[PQI_DEFAULT_QUEUE_GROUP], RAID_PATH, io_request); - pqi_ctrl_unbusy(ctrl_info); - - if (timeout_msecs == NO_TIMEOUT) { - pqi_wait_for_completion_io(ctrl_info, &wait); - } else { - if (!wait_for_completion_io_timeout(&wait, - msecs_to_jiffies(timeout_msecs))) { - dev_warn(&ctrl_info->pci_dev->dev, - "command timed out\n"); - rc = -ETIMEDOUT; - } - } + pqi_wait_for_completion_io(ctrl_info, &wait); if (error_info) { if (io_request->error_info) - memcpy(error_info, io_request->error_info, - sizeof(*error_info)); + memcpy(error_info, io_request->error_info, sizeof(*error_info)); else memset(error_info, 0, sizeof(*error_info)); } else if (rc == 0 && io_request->error_info) { - rc = pqi_process_raid_io_error_synchronous( - io_request->error_info); + rc = pqi_process_raid_io_error_synchronous(io_request->error_info); } pqi_free_io_request(io_request); out: + pqi_ctrl_unbusy(ctrl_info); up(&ctrl_info->sync_request_sem); return rc; @@ -4141,8 +4731,7 @@ static int pqi_submit_admin_request_synchronous( rc = pqi_poll_for_admin_response(ctrl_info, response); if (rc == 0) - rc = pqi_validate_admin_response(response, - request->function_code); + rc = pqi_validate_admin_response(response, request->function_code); return rc; } @@ -4176,8 +4765,7 @@ static int pqi_report_device_capability(struct pqi_ctrl_info *ctrl_info) if (rc) goto out; - rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, - &response); + rc = pqi_submit_admin_request_synchronous(ctrl_info, &request, &response); pqi_pci_unmap(ctrl_info->pci_dev, &request.data.report_device_capability.sg_descriptor, 1, @@ -4479,8 +5067,7 @@ static int pqi_create_queues(struct pqi_ctrl_info *ctrl_info) } #define PQI_REPORT_EVENT_CONFIG_BUFFER_LENGTH \ - (offsetof(struct pqi_event_config, descriptors) + \ - (PQI_MAX_EVENT_DESCRIPTORS * sizeof(struct pqi_event_descriptor))) + struct_size_t(struct pqi_event_config, descriptors, PQI_MAX_EVENT_DESCRIPTORS) static int pqi_configure_events(struct pqi_ctrl_info *ctrl_info, bool enable_events) @@ -4512,8 +5099,7 @@ static int pqi_configure_events(struct pqi_ctrl_info *ctrl_info, if (rc) goto out; - rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, - 0, NULL, NO_TIMEOUT); + rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); pqi_pci_unmap(ctrl_info->pci_dev, request.data.report_event_configuration.sg_descriptors, 1, @@ -4526,7 +5112,7 @@ static int pqi_configure_events(struct pqi_ctrl_info *ctrl_info, event_descriptor = &event_config->descriptors[i]; if (enable_events && pqi_is_supported_event(event_descriptor->event_type)) - put_unaligned_le16(ctrl_info->event_queue.oq_id, + put_unaligned_le16(ctrl_info->event_queue.oq_id, &event_descriptor->oq_id); else put_unaligned_le16(0, &event_descriptor->oq_id); @@ -4548,8 +5134,7 @@ static int pqi_configure_events(struct pqi_ctrl_info *ctrl_info, if (rc) goto out; - rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, - NULL, NO_TIMEOUT); + rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); pqi_pci_unmap(ctrl_info->pci_dev, request.data.report_event_configuration.sg_descriptors, 1, @@ -4566,11 +5151,6 @@ static inline int pqi_enable_events(struct pqi_ctrl_info *ctrl_info) return pqi_configure_events(ctrl_info, true); } -static inline int pqi_disable_events(struct pqi_ctrl_info *ctrl_info) -{ - return pqi_configure_events(ctrl_info, false); -} - static void pqi_free_all_io_requests(struct pqi_ctrl_info *ctrl_info) { unsigned int i; @@ -4602,10 +5182,9 @@ static void pqi_free_all_io_requests(struct pqi_ctrl_info *ctrl_info) static inline int pqi_alloc_error_buffer(struct pqi_ctrl_info *ctrl_info) { ctrl_info->error_buffer = dma_alloc_coherent(&ctrl_info->pci_dev->dev, - ctrl_info->error_buffer_length, - &ctrl_info->error_buffer_dma_handle, - GFP_KERNEL); - + ctrl_info->error_buffer_length, + &ctrl_info->error_buffer_dma_handle, + GFP_KERNEL); if (!ctrl_info->error_buffer) return -ENOMEM; @@ -4621,9 +5200,8 @@ static int pqi_alloc_io_resources(struct pqi_ctrl_info *ctrl_info) struct device *dev; struct pqi_io_request *io_request; - ctrl_info->io_request_pool = - kcalloc(ctrl_info->max_io_slots, - sizeof(ctrl_info->io_request_pool[0]), GFP_KERNEL); + ctrl_info->io_request_pool = kcalloc(ctrl_info->max_io_slots, + sizeof(ctrl_info->io_request_pool[0]), GFP_KERNEL); if (!ctrl_info->io_request_pool) { dev_err(&ctrl_info->pci_dev->dev, @@ -4636,8 +5214,7 @@ static int pqi_alloc_io_resources(struct pqi_ctrl_info *ctrl_info) io_request = ctrl_info->io_request_pool; for (i = 0; i < ctrl_info->max_io_slots; i++) { - io_request->iu = - kmalloc(ctrl_info->max_inbound_iu_length, GFP_KERNEL); + io_request->iu = kmalloc(ctrl_info->max_inbound_iu_length, GFP_KERNEL); if (!io_request->iu) { dev_err(&ctrl_info->pci_dev->dev, @@ -4657,8 +5234,7 @@ static int pqi_alloc_io_resources(struct pqi_ctrl_info *ctrl_info) io_request->index = i; io_request->sg_chain_buffer = sg_chain_buffer; - io_request->sg_chain_buffer_dma_handle = - sg_chain_buffer_dma_handle; + io_request->sg_chain_buffer_dma_handle = sg_chain_buffer_dma_handle; io_request++; } @@ -4687,7 +5263,7 @@ static void pqi_calculate_io_resources(struct pqi_ctrl_info *ctrl_info) ctrl_info->error_buffer_length = ctrl_info->max_io_slots * PQI_ERROR_BUFFER_ELEMENT_LENGTH; - if (reset_devices) + if (is_kdump_kernel()) max_transfer_size = min(ctrl_info->max_transfer_size, PQI_MAX_TRANSFER_SIZE_KDUMP); else @@ -4716,23 +5292,21 @@ static void pqi_calculate_queue_resources(struct pqi_ctrl_info *ctrl_info) u16 num_elements_per_iq; u16 num_elements_per_oq; - if (reset_devices) { + if (is_kdump_kernel()) { num_queue_groups = 1; } else { - int num_cpus; int max_queue_groups; max_queue_groups = min(ctrl_info->max_inbound_queues / 2, ctrl_info->max_outbound_queues - 1); max_queue_groups = min(max_queue_groups, PQI_MAX_QUEUE_GROUPS); - num_cpus = num_online_cpus(); - num_queue_groups = min(num_cpus, ctrl_info->max_msix_vectors); + num_queue_groups = + blk_mq_num_online_queues(ctrl_info->max_msix_vectors); num_queue_groups = min(num_queue_groups, max_queue_groups); } ctrl_info->num_queue_groups = num_queue_groups; - ctrl_info->max_hw_queue_index = num_queue_groups - 1; /* * Make sure that the max. inbound IU length is an even multiple @@ -4765,10 +5339,16 @@ static void pqi_calculate_queue_resources(struct pqi_ctrl_info *ctrl_info) PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) / sizeof(struct pqi_sg_descriptor)) + PQI_MAX_EMBEDDED_SG_DESCRIPTORS; + + ctrl_info->max_sg_per_r56_iu = + ((ctrl_info->max_inbound_iu_length - + PQI_OPERATIONAL_IQ_ELEMENT_LENGTH) / + sizeof(struct pqi_sg_descriptor)) + + PQI_MAX_EMBEDDED_R56_SG_DESCRIPTORS; } -static inline void pqi_set_sg_descriptor( - struct pqi_sg_descriptor *sg_descriptor, struct scatterlist *sg) +static inline void pqi_set_sg_descriptor(struct pqi_sg_descriptor *sg_descriptor, + struct scatterlist *sg) { u64 address = (u64)sg_dma_address(sg); unsigned int length = sg_dma_len(sg); @@ -4778,16 +5358,52 @@ static inline void pqi_set_sg_descriptor( put_unaligned_le32(0, &sg_descriptor->flags); } +static unsigned int pqi_build_sg_list(struct pqi_sg_descriptor *sg_descriptor, + struct scatterlist *sg, int sg_count, struct pqi_io_request *io_request, + int max_sg_per_iu, bool *chained) +{ + int i; + unsigned int num_sg_in_iu; + + *chained = false; + i = 0; + num_sg_in_iu = 0; + max_sg_per_iu--; /* Subtract 1 to leave room for chain marker. */ + + while (1) { + pqi_set_sg_descriptor(sg_descriptor, sg); + if (!*chained) + num_sg_in_iu++; + i++; + if (i == sg_count) + break; + sg_descriptor++; + if (i == max_sg_per_iu) { + put_unaligned_le64((u64)io_request->sg_chain_buffer_dma_handle, + &sg_descriptor->address); + put_unaligned_le32((sg_count - num_sg_in_iu) * sizeof(*sg_descriptor), + &sg_descriptor->length); + put_unaligned_le32(CISS_SG_CHAIN, &sg_descriptor->flags); + *chained = true; + num_sg_in_iu++; + sg_descriptor = io_request->sg_chain_buffer; + } + sg = sg_next(sg); + } + + put_unaligned_le32(CISS_SG_LAST, &sg_descriptor->flags); + + return num_sg_in_iu; +} + static int pqi_build_raid_sg_list(struct pqi_ctrl_info *ctrl_info, struct pqi_raid_path_request *request, struct scsi_cmnd *scmd, struct pqi_io_request *io_request) { - int i; u16 iu_length; int sg_count; bool chained; unsigned int num_sg_in_iu; - unsigned int max_sg_per_iu; struct scatterlist *sg; struct pqi_sg_descriptor *sg_descriptor; @@ -4803,41 +5419,89 @@ static int pqi_build_raid_sg_list(struct pqi_ctrl_info *ctrl_info, sg = scsi_sglist(scmd); sg_descriptor = request->sg_descriptors; - max_sg_per_iu = ctrl_info->max_sg_per_iu - 1; - chained = false; + + num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, + ctrl_info->max_sg_per_iu, &chained); + + request->partial = chained; + iu_length += num_sg_in_iu * sizeof(*sg_descriptor); + +out: + put_unaligned_le16(iu_length, &request->header.iu_length); + + return 0; +} + +static int pqi_build_aio_r1_sg_list(struct pqi_ctrl_info *ctrl_info, + struct pqi_aio_r1_path_request *request, struct scsi_cmnd *scmd, + struct pqi_io_request *io_request) +{ + u16 iu_length; + int sg_count; + bool chained; + unsigned int num_sg_in_iu; + struct scatterlist *sg; + struct pqi_sg_descriptor *sg_descriptor; + + sg_count = scsi_dma_map(scmd); + if (sg_count < 0) + return sg_count; + + iu_length = offsetof(struct pqi_aio_r1_path_request, sg_descriptors) - + PQI_REQUEST_HEADER_LENGTH; num_sg_in_iu = 0; - i = 0; - while (1) { - pqi_set_sg_descriptor(sg_descriptor, sg); - if (!chained) - num_sg_in_iu++; - i++; - if (i == sg_count) - break; - sg_descriptor++; - if (i == max_sg_per_iu) { - put_unaligned_le64( - (u64)io_request->sg_chain_buffer_dma_handle, - &sg_descriptor->address); - put_unaligned_le32((sg_count - num_sg_in_iu) - * sizeof(*sg_descriptor), - &sg_descriptor->length); - put_unaligned_le32(CISS_SG_CHAIN, - &sg_descriptor->flags); - chained = true; - num_sg_in_iu++; - sg_descriptor = io_request->sg_chain_buffer; - } - sg = sg_next(sg); - } + if (sg_count == 0) + goto out; + + sg = scsi_sglist(scmd); + sg_descriptor = request->sg_descriptors; + + num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, + ctrl_info->max_sg_per_iu, &chained); - put_unaligned_le32(CISS_SG_LAST, &sg_descriptor->flags); request->partial = chained; iu_length += num_sg_in_iu * sizeof(*sg_descriptor); out: put_unaligned_le16(iu_length, &request->header.iu_length); + request->num_sg_descriptors = num_sg_in_iu; + + return 0; +} + +static int pqi_build_aio_r56_sg_list(struct pqi_ctrl_info *ctrl_info, + struct pqi_aio_r56_path_request *request, struct scsi_cmnd *scmd, + struct pqi_io_request *io_request) +{ + u16 iu_length; + int sg_count; + bool chained; + unsigned int num_sg_in_iu; + struct scatterlist *sg; + struct pqi_sg_descriptor *sg_descriptor; + + sg_count = scsi_dma_map(scmd); + if (sg_count < 0) + return sg_count; + + iu_length = offsetof(struct pqi_aio_r56_path_request, sg_descriptors) - + PQI_REQUEST_HEADER_LENGTH; + num_sg_in_iu = 0; + + if (sg_count != 0) { + sg = scsi_sglist(scmd); + sg_descriptor = request->sg_descriptors; + + num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, + ctrl_info->max_sg_per_r56_iu, &chained); + + request->partial = chained; + iu_length += num_sg_in_iu * sizeof(*sg_descriptor); + } + + put_unaligned_le16(iu_length, &request->header.iu_length); + request->num_sg_descriptors = num_sg_in_iu; return 0; } @@ -4846,12 +5510,10 @@ static int pqi_build_aio_sg_list(struct pqi_ctrl_info *ctrl_info, struct pqi_aio_path_request *request, struct scsi_cmnd *scmd, struct pqi_io_request *io_request) { - int i; u16 iu_length; int sg_count; bool chained; unsigned int num_sg_in_iu; - unsigned int max_sg_per_iu; struct scatterlist *sg; struct pqi_sg_descriptor *sg_descriptor; @@ -4868,35 +5530,10 @@ static int pqi_build_aio_sg_list(struct pqi_ctrl_info *ctrl_info, sg = scsi_sglist(scmd); sg_descriptor = request->sg_descriptors; - max_sg_per_iu = ctrl_info->max_sg_per_iu - 1; - chained = false; - i = 0; - while (1) { - pqi_set_sg_descriptor(sg_descriptor, sg); - if (!chained) - num_sg_in_iu++; - i++; - if (i == sg_count) - break; - sg_descriptor++; - if (i == max_sg_per_iu) { - put_unaligned_le64( - (u64)io_request->sg_chain_buffer_dma_handle, - &sg_descriptor->address); - put_unaligned_le32((sg_count - num_sg_in_iu) - * sizeof(*sg_descriptor), - &sg_descriptor->length); - put_unaligned_le32(CISS_SG_CHAIN, - &sg_descriptor->flags); - chained = true; - num_sg_in_iu++; - sg_descriptor = io_request->sg_chain_buffer; - } - sg = sg_next(sg); - } + num_sg_in_iu = pqi_build_sg_list(sg_descriptor, sg, sg_count, io_request, + ctrl_info->max_sg_per_iu, &chained); - put_unaligned_le32(CISS_SG_LAST, &sg_descriptor->flags); request->partial = chained; iu_length += num_sg_in_iu * sizeof(*sg_descriptor); @@ -4918,29 +5555,44 @@ static void pqi_raid_io_complete(struct pqi_io_request *io_request, pqi_scsi_done(scmd); } -static int pqi_raid_submit_scsi_cmd_with_io_request( - struct pqi_ctrl_info *ctrl_info, struct pqi_io_request *io_request, +/* + * Adjust the timeout value for physical devices sent to the firmware + * by subtracting 3 seconds for timeouts greater than or equal to 8 seconds. + * + * This provides the firmware with additional time to attempt early recovery + * before the OS-level timeout occurs. + */ +#define ADJUST_SECS_TIMEOUT_VALUE(tv) (((tv) >= 8) ? ((tv) - 3) : (tv)) + +static int pqi_raid_submit_io(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, - struct pqi_queue_group *queue_group) + struct pqi_queue_group *queue_group, bool io_high_prio) { int rc; + u32 timeout; size_t cdb_length; + struct pqi_io_request *io_request; struct pqi_raid_path_request *request; + struct request *rq; + + io_request = pqi_alloc_io_request(ctrl_info, scmd); + if (!io_request) + return SCSI_MLQUEUE_HOST_BUSY; io_request->io_complete_callback = pqi_raid_io_complete; io_request->scmd = scmd; request = io_request->iu; - memset(request, 0, - offsetof(struct pqi_raid_path_request, sg_descriptors)); + memset(request, 0, offsetof(struct pqi_raid_path_request, sg_descriptors)); request->header.iu_type = PQI_REQUEST_IU_RAID_PATH_IO; put_unaligned_le32(scsi_bufflen(scmd), &request->buffer_length); request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; + request->command_priority = io_high_prio; put_unaligned_le16(io_request->index, &request->request_id); request->error_index = request->request_id; - memcpy(request->lun_number, device->scsi3addr, - sizeof(request->lun_number)); + memcpy(request->lun_number, device->scsi3addr, sizeof(request->lun_number)); + request->ml_device_lun_number = (u8)scmd->device->lun; cdb_length = min_t(size_t, scmd->cmd_len, sizeof(request->cdb)); memcpy(request->cdb, scmd->cmnd, cdb_length); @@ -4950,38 +5602,28 @@ static int pqi_raid_submit_scsi_cmd_with_io_request( case 10: case 12: case 16: - /* No bytes in the Additional CDB bytes field */ - request->additional_cdb_bytes_usage = - SOP_ADDITIONAL_CDB_BYTES_0; + request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_0; break; case 20: - /* 4 bytes in the Additional cdb field */ - request->additional_cdb_bytes_usage = - SOP_ADDITIONAL_CDB_BYTES_4; + request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_4; break; case 24: - /* 8 bytes in the Additional cdb field */ - request->additional_cdb_bytes_usage = - SOP_ADDITIONAL_CDB_BYTES_8; + request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_8; break; case 28: - /* 12 bytes in the Additional cdb field */ - request->additional_cdb_bytes_usage = - SOP_ADDITIONAL_CDB_BYTES_12; + request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_12; break; case 32: default: - /* 16 bytes in the Additional cdb field */ - request->additional_cdb_bytes_usage = - SOP_ADDITIONAL_CDB_BYTES_16; + request->additional_cdb_bytes_usage = SOP_ADDITIONAL_CDB_BYTES_16; break; } switch (scmd->sc_data_direction) { - case DMA_TO_DEVICE: + case DMA_FROM_DEVICE: request->data_direction = SOP_READ_FLAG; break; - case DMA_FROM_DEVICE: + case DMA_TO_DEVICE: request->data_direction = SOP_WRITE_FLAG; break; case DMA_NONE: @@ -5003,6 +5645,12 @@ static int pqi_raid_submit_scsi_cmd_with_io_request( return SCSI_MLQUEUE_HOST_BUSY; } + if (device->is_physical_device) { + rq = scsi_cmd_to_rq(scmd); + timeout = rq->timeout / HZ; + put_unaligned_le32(ADJUST_SECS_TIMEOUT_VALUE(timeout), &request->timeout); + } + pqi_start_io(ctrl_info, queue_group, RAID_PATH, io_request); return 0; @@ -5012,18 +5660,11 @@ static inline int pqi_raid_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group) { - struct pqi_io_request *io_request; + bool io_high_prio; - io_request = pqi_alloc_io_request(ctrl_info); - - return pqi_raid_submit_scsi_cmd_with_io_request(ctrl_info, io_request, - device, scmd, queue_group); -} + io_high_prio = pqi_is_io_high_priority(device, scmd); -static inline void pqi_schedule_bypass_retry(struct pqi_ctrl_info *ctrl_info) -{ - if (!pqi_ctrl_blocked(ctrl_info)) - schedule_work(&ctrl_info->raid_bypass_retry_work); + return pqi_raid_submit_io(ctrl_info, device, scmd, queue_group, io_high_prio); } static bool pqi_raid_bypass_retry_needed(struct pqi_io_request *io_request) @@ -5042,7 +5683,7 @@ static bool pqi_raid_bypass_retry_needed(struct pqi_io_request *io_request) return false; device = scmd->device->hostdata; - if (pqi_device_offline(device)) + if (pqi_device_offline(device) || pqi_device_in_remove(device)) return false; ctrl_info = shost_to_hba(scmd->device->host); @@ -5052,132 +5693,6 @@ static bool pqi_raid_bypass_retry_needed(struct pqi_io_request *io_request) return true; } -static inline void pqi_add_to_raid_bypass_retry_list( - struct pqi_ctrl_info *ctrl_info, - struct pqi_io_request *io_request, bool at_head) -{ - unsigned long flags; - - spin_lock_irqsave(&ctrl_info->raid_bypass_retry_list_lock, flags); - if (at_head) - list_add(&io_request->request_list_entry, - &ctrl_info->raid_bypass_retry_list); - else - list_add_tail(&io_request->request_list_entry, - &ctrl_info->raid_bypass_retry_list); - spin_unlock_irqrestore(&ctrl_info->raid_bypass_retry_list_lock, flags); -} - -static void pqi_queued_raid_bypass_complete(struct pqi_io_request *io_request, - void *context) -{ - struct scsi_cmnd *scmd; - - scmd = io_request->scmd; - pqi_free_io_request(io_request); - pqi_scsi_done(scmd); -} - -static void pqi_queue_raid_bypass_retry(struct pqi_io_request *io_request) -{ - struct scsi_cmnd *scmd; - struct pqi_ctrl_info *ctrl_info; - - io_request->io_complete_callback = pqi_queued_raid_bypass_complete; - scmd = io_request->scmd; - scmd->result = 0; - ctrl_info = shost_to_hba(scmd->device->host); - - pqi_add_to_raid_bypass_retry_list(ctrl_info, io_request, false); - pqi_schedule_bypass_retry(ctrl_info); -} - -static int pqi_retry_raid_bypass(struct pqi_io_request *io_request) -{ - struct scsi_cmnd *scmd; - struct pqi_scsi_dev *device; - struct pqi_ctrl_info *ctrl_info; - struct pqi_queue_group *queue_group; - - scmd = io_request->scmd; - device = scmd->device->hostdata; - if (pqi_device_in_reset(device)) { - pqi_free_io_request(io_request); - set_host_byte(scmd, DID_RESET); - pqi_scsi_done(scmd); - return 0; - } - - ctrl_info = shost_to_hba(scmd->device->host); - queue_group = io_request->queue_group; - - pqi_reinit_io_request(io_request); - - return pqi_raid_submit_scsi_cmd_with_io_request(ctrl_info, io_request, - device, scmd, queue_group); -} - -static inline struct pqi_io_request *pqi_next_queued_raid_bypass_request( - struct pqi_ctrl_info *ctrl_info) -{ - unsigned long flags; - struct pqi_io_request *io_request; - - spin_lock_irqsave(&ctrl_info->raid_bypass_retry_list_lock, flags); - io_request = list_first_entry_or_null( - &ctrl_info->raid_bypass_retry_list, - struct pqi_io_request, request_list_entry); - if (io_request) - list_del(&io_request->request_list_entry); - spin_unlock_irqrestore(&ctrl_info->raid_bypass_retry_list_lock, flags); - - return io_request; -} - -static void pqi_retry_raid_bypass_requests(struct pqi_ctrl_info *ctrl_info) -{ - int rc; - struct pqi_io_request *io_request; - - pqi_ctrl_busy(ctrl_info); - - while (1) { - if (pqi_ctrl_blocked(ctrl_info)) - break; - io_request = pqi_next_queued_raid_bypass_request(ctrl_info); - if (!io_request) - break; - rc = pqi_retry_raid_bypass(io_request); - if (rc) { - pqi_add_to_raid_bypass_retry_list(ctrl_info, io_request, - true); - pqi_schedule_bypass_retry(ctrl_info); - break; - } - } - - pqi_ctrl_unbusy(ctrl_info); -} - -static void pqi_raid_bypass_retry_worker(struct work_struct *work) -{ - struct pqi_ctrl_info *ctrl_info; - - ctrl_info = container_of(work, struct pqi_ctrl_info, - raid_bypass_retry_work); - pqi_retry_raid_bypass_requests(ctrl_info); -} - -static void pqi_clear_all_queued_raid_bypass_retries( - struct pqi_ctrl_info *ctrl_info) -{ - unsigned long flags; - - spin_lock_irqsave(&ctrl_info->raid_bypass_retry_list_lock, flags); - INIT_LIST_HEAD(&ctrl_info->raid_bypass_retry_list); - spin_unlock_irqrestore(&ctrl_info->raid_bypass_retry_list_lock, flags); -} - static void pqi_aio_io_complete(struct pqi_io_request *io_request, void *context) { @@ -5185,12 +5700,11 @@ static void pqi_aio_io_complete(struct pqi_io_request *io_request, scmd = io_request->scmd; scsi_dma_unmap(scmd); - if (io_request->status == -EAGAIN) + if (io_request->status == -EAGAIN || pqi_raid_bypass_retry_needed(io_request)) { set_host_byte(scmd, DID_IMM_RETRY); - else if (pqi_raid_bypass_retry_needed(io_request)) { - pqi_queue_raid_bypass_retry(io_request); - return; + pqi_cmd_priv(scmd)->this_residual++; } + pqi_free_io_request(io_request); pqi_scsi_done(scmd); } @@ -5199,34 +5713,45 @@ static inline int pqi_aio_submit_scsi_cmd(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group) { + bool io_high_prio; + + io_high_prio = pqi_is_io_high_priority(device, scmd); + return pqi_aio_submit_io(ctrl_info, scmd, device->aio_handle, - scmd->cmnd, scmd->cmd_len, queue_group, NULL, false); + scmd->cmnd, scmd->cmd_len, queue_group, NULL, + false, io_high_prio); } static int pqi_aio_submit_io(struct pqi_ctrl_info *ctrl_info, struct scsi_cmnd *scmd, u32 aio_handle, u8 *cdb, unsigned int cdb_length, struct pqi_queue_group *queue_group, - struct pqi_encryption_info *encryption_info, bool raid_bypass) + struct pqi_encryption_info *encryption_info, bool raid_bypass, + bool io_high_prio) { int rc; struct pqi_io_request *io_request; struct pqi_aio_path_request *request; - io_request = pqi_alloc_io_request(ctrl_info); + io_request = pqi_alloc_io_request(ctrl_info, scmd); + if (!io_request) + return SCSI_MLQUEUE_HOST_BUSY; + io_request->io_complete_callback = pqi_aio_io_complete; io_request->scmd = scmd; io_request->raid_bypass = raid_bypass; request = io_request->iu; - memset(request, 0, - offsetof(struct pqi_raid_path_request, sg_descriptors)); + memset(request, 0, offsetof(struct pqi_aio_path_request, sg_descriptors)); request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_IO; put_unaligned_le32(aio_handle, &request->nexus_id); put_unaligned_le32(scsi_bufflen(scmd), &request->buffer_length); request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; + request->command_priority = io_high_prio; put_unaligned_le16(io_request->index, &request->request_id); request->error_index = request->request_id; + if (!raid_bypass && ctrl_info->multi_lun_device_supported) + put_unaligned_le64(scmd->device->lun << 8, &request->lun_number); if (cdb_length > sizeof(request->cdb)) cdb_length = sizeof(request->cdb); request->cdb_length = cdb_length; @@ -5273,16 +5798,149 @@ static int pqi_aio_submit_io(struct pqi_ctrl_info *ctrl_info, return 0; } +static int pqi_aio_submit_r1_write_io(struct pqi_ctrl_info *ctrl_info, + struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, + struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, + struct pqi_scsi_dev_raid_map_data *rmd) +{ + int rc; + struct pqi_io_request *io_request; + struct pqi_aio_r1_path_request *r1_request; + + io_request = pqi_alloc_io_request(ctrl_info, scmd); + if (!io_request) + return SCSI_MLQUEUE_HOST_BUSY; + + io_request->io_complete_callback = pqi_aio_io_complete; + io_request->scmd = scmd; + io_request->raid_bypass = true; + + r1_request = io_request->iu; + memset(r1_request, 0, offsetof(struct pqi_aio_r1_path_request, sg_descriptors)); + + r1_request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_RAID1_IO; + put_unaligned_le16(*(u16 *)device->scsi3addr & 0x3fff, &r1_request->volume_id); + r1_request->num_drives = rmd->num_it_nexus_entries; + put_unaligned_le32(rmd->it_nexus[0], &r1_request->it_nexus_1); + put_unaligned_le32(rmd->it_nexus[1], &r1_request->it_nexus_2); + if (rmd->num_it_nexus_entries == 3) + put_unaligned_le32(rmd->it_nexus[2], &r1_request->it_nexus_3); + + put_unaligned_le32(scsi_bufflen(scmd), &r1_request->data_length); + r1_request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; + put_unaligned_le16(io_request->index, &r1_request->request_id); + r1_request->error_index = r1_request->request_id; + if (rmd->cdb_length > sizeof(r1_request->cdb)) + rmd->cdb_length = sizeof(r1_request->cdb); + r1_request->cdb_length = rmd->cdb_length; + memcpy(r1_request->cdb, rmd->cdb, rmd->cdb_length); + + /* The direction is always write. */ + r1_request->data_direction = SOP_READ_FLAG; + + if (encryption_info) { + r1_request->encryption_enable = true; + put_unaligned_le16(encryption_info->data_encryption_key_index, + &r1_request->data_encryption_key_index); + put_unaligned_le32(encryption_info->encrypt_tweak_lower, + &r1_request->encrypt_tweak_lower); + put_unaligned_le32(encryption_info->encrypt_tweak_upper, + &r1_request->encrypt_tweak_upper); + } + + rc = pqi_build_aio_r1_sg_list(ctrl_info, r1_request, scmd, io_request); + if (rc) { + pqi_free_io_request(io_request); + return SCSI_MLQUEUE_HOST_BUSY; + } + + pqi_start_io(ctrl_info, queue_group, AIO_PATH, io_request); + + return 0; +} + +static int pqi_aio_submit_r56_write_io(struct pqi_ctrl_info *ctrl_info, + struct scsi_cmnd *scmd, struct pqi_queue_group *queue_group, + struct pqi_encryption_info *encryption_info, struct pqi_scsi_dev *device, + struct pqi_scsi_dev_raid_map_data *rmd) +{ + int rc; + struct pqi_io_request *io_request; + struct pqi_aio_r56_path_request *r56_request; + + io_request = pqi_alloc_io_request(ctrl_info, scmd); + if (!io_request) + return SCSI_MLQUEUE_HOST_BUSY; + io_request->io_complete_callback = pqi_aio_io_complete; + io_request->scmd = scmd; + io_request->raid_bypass = true; + + r56_request = io_request->iu; + memset(r56_request, 0, offsetof(struct pqi_aio_r56_path_request, sg_descriptors)); + + if (device->raid_level == SA_RAID_5 || device->raid_level == SA_RAID_51) + r56_request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_RAID5_IO; + else + r56_request->header.iu_type = PQI_REQUEST_IU_AIO_PATH_RAID6_IO; + + put_unaligned_le16(*(u16 *)device->scsi3addr & 0x3fff, &r56_request->volume_id); + put_unaligned_le32(rmd->aio_handle, &r56_request->data_it_nexus); + put_unaligned_le32(rmd->p_parity_it_nexus, &r56_request->p_parity_it_nexus); + if (rmd->raid_level == SA_RAID_6) { + put_unaligned_le32(rmd->q_parity_it_nexus, &r56_request->q_parity_it_nexus); + r56_request->xor_multiplier = rmd->xor_mult; + } + put_unaligned_le32(scsi_bufflen(scmd), &r56_request->data_length); + r56_request->task_attribute = SOP_TASK_ATTRIBUTE_SIMPLE; + put_unaligned_le64(rmd->row, &r56_request->row); + + put_unaligned_le16(io_request->index, &r56_request->request_id); + r56_request->error_index = r56_request->request_id; + + if (rmd->cdb_length > sizeof(r56_request->cdb)) + rmd->cdb_length = sizeof(r56_request->cdb); + r56_request->cdb_length = rmd->cdb_length; + memcpy(r56_request->cdb, rmd->cdb, rmd->cdb_length); + + /* The direction is always write. */ + r56_request->data_direction = SOP_READ_FLAG; + + if (encryption_info) { + r56_request->encryption_enable = true; + put_unaligned_le16(encryption_info->data_encryption_key_index, + &r56_request->data_encryption_key_index); + put_unaligned_le32(encryption_info->encrypt_tweak_lower, + &r56_request->encrypt_tweak_lower); + put_unaligned_le32(encryption_info->encrypt_tweak_upper, + &r56_request->encrypt_tweak_upper); + } + + rc = pqi_build_aio_r56_sg_list(ctrl_info, r56_request, scmd, io_request); + if (rc) { + pqi_free_io_request(io_request); + return SCSI_MLQUEUE_HOST_BUSY; + } + + pqi_start_io(ctrl_info, queue_group, AIO_PATH, io_request); + + return 0; +} + static inline u16 pqi_get_hw_queue(struct pqi_ctrl_info *ctrl_info, struct scsi_cmnd *scmd) { - u16 hw_queue; + /* + * We are setting host_tagset = 1 during init. + */ + return blk_mq_unique_tag_to_hwq(blk_mq_unique_tag(scsi_cmd_to_rq(scmd))); +} - hw_queue = blk_mq_unique_tag_to_hwq(blk_mq_unique_tag(scmd->request)); - if (hw_queue > ctrl_info->max_hw_queue_index) - hw_queue = 0; +static inline bool pqi_is_bypass_eligible_request(struct scsi_cmnd *scmd) +{ + if (blk_rq_is_passthrough(scsi_cmd_to_rq(scmd))) + return false; - return hw_queue; + return pqi_cmd_priv(scmd)->this_residual == 0; } /* @@ -5293,6 +5951,7 @@ static inline u16 pqi_get_hw_queue(struct pqi_ctrl_info *ctrl_info, void pqi_prep_for_scsi_done(struct scsi_cmnd *scmd) { struct pqi_scsi_dev *device; + struct completion *wait; if (!scmd->device) { set_host_byte(scmd, DID_NO_CONNECT); @@ -5305,21 +5964,102 @@ void pqi_prep_for_scsi_done(struct scsi_cmnd *scmd) return; } - atomic_dec(&device->scsi_cmds_outstanding); + atomic_dec(&device->scsi_cmds_outstanding[scmd->device->lun]); + + wait = (struct completion *)xchg(&scmd->host_scribble, NULL); + if (wait != PQI_NO_COMPLETION) + complete(wait); } -static int pqi_scsi_queue_command(struct Scsi_Host *shost, +static bool pqi_is_parity_write_stream(struct pqi_ctrl_info *ctrl_info, struct scsi_cmnd *scmd) { + u32 oldest_jiffies; + u8 lru_index; + int i; + int rc; + struct pqi_scsi_dev *device; + struct pqi_stream_data *pqi_stream_data; + struct pqi_scsi_dev_raid_map_data rmd = { 0 }; + + if (!ctrl_info->enable_stream_detection) + return false; + + rc = pqi_get_aio_lba_and_block_count(scmd, &rmd); + if (rc) + return false; + + /* Check writes only. */ + if (!rmd.is_write) + return false; + + device = scmd->device->hostdata; + + /* Check for RAID 5/6 streams. */ + if (device->raid_level != SA_RAID_5 && device->raid_level != SA_RAID_6) + return false; + + /* + * If controller does not support AIO RAID{5,6} writes, need to send + * requests down non-AIO path. + */ + if ((device->raid_level == SA_RAID_5 && !ctrl_info->enable_r5_writes) || + (device->raid_level == SA_RAID_6 && !ctrl_info->enable_r6_writes)) + return true; + + lru_index = 0; + oldest_jiffies = INT_MAX; + for (i = 0; i < NUM_STREAMS_PER_LUN; i++) { + pqi_stream_data = &device->stream_data[i]; + /* + * Check for adjacent request or request is within + * the previous request. + */ + if ((pqi_stream_data->next_lba && + rmd.first_block >= pqi_stream_data->next_lba) && + rmd.first_block <= pqi_stream_data->next_lba + + rmd.block_cnt) { + pqi_stream_data->next_lba = rmd.first_block + + rmd.block_cnt; + pqi_stream_data->last_accessed = jiffies; + per_cpu_ptr(device->raid_io_stats, raw_smp_processor_id())->write_stream_cnt++; + return true; + } + + /* unused entry */ + if (pqi_stream_data->last_accessed == 0) { + lru_index = i; + break; + } + + /* Find entry with oldest last accessed time. */ + if (pqi_stream_data->last_accessed <= oldest_jiffies) { + oldest_jiffies = pqi_stream_data->last_accessed; + lru_index = i; + } + } + + /* Set LRU entry. */ + pqi_stream_data = &device->stream_data[lru_index]; + pqi_stream_data->last_accessed = jiffies; + pqi_stream_data->next_lba = rmd.first_block + rmd.block_cnt; + + return false; +} + +static int pqi_scsi_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) +{ int rc; struct pqi_ctrl_info *ctrl_info; struct pqi_scsi_dev *device; u16 hw_queue; struct pqi_queue_group *queue_group; bool raid_bypassed; + u8 lun; + + scmd->host_scribble = PQI_NO_COMPLETION; device = scmd->device->hostdata; - ctrl_info = shost_to_hba(shost); if (!device) { set_host_byte(scmd, DID_NO_CONNECT); @@ -5327,18 +6067,19 @@ static int pqi_scsi_queue_command(struct Scsi_Host *shost, return 0; } - atomic_inc(&device->scsi_cmds_outstanding); + lun = (u8)scmd->device->lun; - if (pqi_ctrl_offline(ctrl_info) || pqi_device_in_remove(ctrl_info, - device)) { + atomic_inc(&device->scsi_cmds_outstanding[lun]); + + ctrl_info = shost_to_hba(shost); + + if (pqi_ctrl_offline(ctrl_info) || pqi_device_offline(device) || pqi_device_in_remove(device)) { set_host_byte(scmd, DID_NO_CONNECT); pqi_scsi_done(scmd); return 0; } - pqi_ctrl_busy(ctrl_info); - if (pqi_ctrl_blocked(ctrl_info) || pqi_device_in_reset(device) || - pqi_ctrl_in_ofa(ctrl_info)) { + if (pqi_ctrl_blocked(ctrl_info) || pqi_device_in_reset(device, lun)) { rc = SCSI_MLQUEUE_HOST_BUSY; goto out; } @@ -5355,95 +6096,122 @@ static int pqi_scsi_queue_command(struct Scsi_Host *shost, if (pqi_is_logical_device(device)) { raid_bypassed = false; if (device->raid_bypass_enabled && - !blk_rq_is_passthrough(scmd->request)) { - rc = pqi_raid_bypass_submit_scsi_cmd(ctrl_info, device, - scmd, queue_group); - if (rc == 0 || rc == SCSI_MLQUEUE_HOST_BUSY) + pqi_is_bypass_eligible_request(scmd) && + !pqi_is_parity_write_stream(ctrl_info, scmd)) { + rc = pqi_raid_bypass_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); + if (rc == 0 || rc == SCSI_MLQUEUE_HOST_BUSY) { raid_bypassed = true; + per_cpu_ptr(device->raid_io_stats, raw_smp_processor_id())->raid_bypass_cnt++; + } } if (!raid_bypassed) - rc = pqi_raid_submit_scsi_cmd(ctrl_info, device, scmd, - queue_group); + rc = pqi_raid_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); } else { if (device->aio_enabled) - rc = pqi_aio_submit_scsi_cmd(ctrl_info, device, scmd, - queue_group); + rc = pqi_aio_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); else - rc = pqi_raid_submit_scsi_cmd(ctrl_info, device, scmd, - queue_group); + rc = pqi_raid_submit_scsi_cmd(ctrl_info, device, scmd, queue_group); } out: - pqi_ctrl_unbusy(ctrl_info); - if (rc) - atomic_dec(&device->scsi_cmds_outstanding); + if (rc) { + scmd->host_scribble = NULL; + atomic_dec(&device->scsi_cmds_outstanding[lun]); + } return rc; } -static int pqi_wait_until_queued_io_drained(struct pqi_ctrl_info *ctrl_info, - struct pqi_queue_group *queue_group) +static unsigned int pqi_queued_io_count(struct pqi_ctrl_info *ctrl_info) { + unsigned int i; unsigned int path; unsigned long flags; - bool list_is_empty; + unsigned int queued_io_count; + struct pqi_queue_group *queue_group; + struct pqi_io_request *io_request; - for (path = 0; path < 2; path++) { - while (1) { - spin_lock_irqsave( - &queue_group->submit_lock[path], flags); - list_is_empty = - list_empty(&queue_group->request_list[path]); - spin_unlock_irqrestore( - &queue_group->submit_lock[path], flags); - if (list_is_empty) - break; - pqi_check_ctrl_health(ctrl_info); - if (pqi_ctrl_offline(ctrl_info)) - return -ENXIO; - usleep_range(1000, 2000); + queued_io_count = 0; + + for (i = 0; i < ctrl_info->num_queue_groups; i++) { + queue_group = &ctrl_info->queue_groups[i]; + for (path = 0; path < 2; path++) { + spin_lock_irqsave(&queue_group->submit_lock[path], flags); + list_for_each_entry(io_request, &queue_group->request_list[path], request_list_entry) + queued_io_count++; + spin_unlock_irqrestore(&queue_group->submit_lock[path], flags); } } - return 0; + return queued_io_count; } -static int pqi_wait_until_inbound_queues_empty(struct pqi_ctrl_info *ctrl_info) +static unsigned int pqi_nonempty_inbound_queue_count(struct pqi_ctrl_info *ctrl_info) { - int rc; unsigned int i; unsigned int path; + unsigned int nonempty_inbound_queue_count; struct pqi_queue_group *queue_group; pqi_index_t iq_pi; pqi_index_t iq_ci; + nonempty_inbound_queue_count = 0; + for (i = 0; i < ctrl_info->num_queue_groups; i++) { queue_group = &ctrl_info->queue_groups[i]; - - rc = pqi_wait_until_queued_io_drained(ctrl_info, queue_group); - if (rc) - return rc; - for (path = 0; path < 2; path++) { iq_pi = queue_group->iq_pi_copy[path]; + iq_ci = readl(queue_group->iq_ci[path]); + if (iq_ci != iq_pi) + nonempty_inbound_queue_count++; + } + } - while (1) { - iq_ci = readl(queue_group->iq_ci[path]); - if (iq_ci == iq_pi) - break; - pqi_check_ctrl_health(ctrl_info); - if (pqi_ctrl_offline(ctrl_info)) - return -ENXIO; - usleep_range(1000, 2000); - } + return nonempty_inbound_queue_count; +} + +#define PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS 10 + +static int pqi_wait_until_inbound_queues_empty(struct pqi_ctrl_info *ctrl_info) +{ + unsigned long start_jiffies; + unsigned long warning_timeout; + unsigned int queued_io_count; + unsigned int nonempty_inbound_queue_count; + bool displayed_warning; + + displayed_warning = false; + start_jiffies = jiffies; + warning_timeout = (PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; + + while (1) { + queued_io_count = pqi_queued_io_count(ctrl_info); + nonempty_inbound_queue_count = pqi_nonempty_inbound_queue_count(ctrl_info); + if (queued_io_count == 0 && nonempty_inbound_queue_count == 0) + break; + pqi_check_ctrl_health(ctrl_info); + if (pqi_ctrl_offline(ctrl_info)) + return -ENXIO; + if (time_after(jiffies, warning_timeout)) { + dev_warn(&ctrl_info->pci_dev->dev, + "waiting %u seconds for queued I/O to drain (queued I/O count: %u; non-empty inbound queue count: %u)\n", + jiffies_to_msecs(jiffies - start_jiffies) / 1000, queued_io_count, nonempty_inbound_queue_count); + displayed_warning = true; + warning_timeout = (PQI_INBOUND_QUEUES_NONEMPTY_WARNING_TIMEOUT_SECS * HZ) + jiffies; } + usleep_range(1000, 2000); } + if (displayed_warning) + dev_warn(&ctrl_info->pci_dev->dev, + "queued I/O drained after waiting for %u seconds\n", + jiffies_to_msecs(jiffies - start_jiffies) / 1000); + return 0; } static void pqi_fail_io_queued_for_device(struct pqi_ctrl_info *ctrl_info, - struct pqi_scsi_dev *device) + struct pqi_scsi_dev *device, u8 lun) { unsigned int i; unsigned int path; @@ -5464,16 +6232,20 @@ static void pqi_fail_io_queued_for_device(struct pqi_ctrl_info *ctrl_info, list_for_each_entry_safe(io_request, next, &queue_group->request_list[path], request_list_entry) { + scmd = io_request->scmd; if (!scmd) continue; scsi_device = scmd->device->hostdata; - if (scsi_device != device) - continue; list_del(&io_request->request_list_entry); - set_host_byte(scmd, DID_RESET); + if (scsi_device == device && (u8)scmd->device->lun == lun) + set_host_byte(scmd, DID_RESET); + else + set_host_byte(scmd, DID_REQUEUE); + pqi_free_io_request(io_request); + scsi_dma_unmap(scmd); pqi_scsi_done(scmd); } @@ -5483,102 +6255,39 @@ static void pqi_fail_io_queued_for_device(struct pqi_ctrl_info *ctrl_info, } } -static void pqi_fail_io_queued_for_all_devices(struct pqi_ctrl_info *ctrl_info) -{ - unsigned int i; - unsigned int path; - struct pqi_queue_group *queue_group; - unsigned long flags; - struct pqi_io_request *io_request; - struct pqi_io_request *next; - struct scsi_cmnd *scmd; - - for (i = 0; i < ctrl_info->num_queue_groups; i++) { - queue_group = &ctrl_info->queue_groups[i]; - - for (path = 0; path < 2; path++) { - spin_lock_irqsave(&queue_group->submit_lock[path], - flags); - - list_for_each_entry_safe(io_request, next, - &queue_group->request_list[path], - request_list_entry) { - - scmd = io_request->scmd; - if (!scmd) - continue; - - list_del(&io_request->request_list_entry); - set_host_byte(scmd, DID_RESET); - pqi_scsi_done(scmd); - } - - spin_unlock_irqrestore( - &queue_group->submit_lock[path], flags); - } - } -} +#define PQI_PENDING_IO_WARNING_TIMEOUT_SECS 10 static int pqi_device_wait_for_pending_io(struct pqi_ctrl_info *ctrl_info, - struct pqi_scsi_dev *device, unsigned long timeout_secs) + struct pqi_scsi_dev *device, u8 lun, unsigned long timeout_msecs) { - unsigned long timeout; + int cmds_outstanding; + unsigned long start_jiffies; + unsigned long warning_timeout; + unsigned long msecs_waiting; - timeout = (timeout_secs * PQI_HZ) + jiffies; + start_jiffies = jiffies; + warning_timeout = (PQI_PENDING_IO_WARNING_TIMEOUT_SECS * HZ) + start_jiffies; - while (atomic_read(&device->scsi_cmds_outstanding)) { - pqi_check_ctrl_health(ctrl_info); - if (pqi_ctrl_offline(ctrl_info)) - return -ENXIO; - if (timeout_secs != NO_TIMEOUT) { - if (time_after(jiffies, timeout)) { - dev_err(&ctrl_info->pci_dev->dev, - "timed out waiting for pending IO\n"); - return -ETIMEDOUT; - } + while ((cmds_outstanding = atomic_read(&device->scsi_cmds_outstanding[lun])) > 0) { + if (ctrl_info->ctrl_removal_state != PQI_CTRL_GRACEFUL_REMOVAL) { + pqi_check_ctrl_health(ctrl_info); + if (pqi_ctrl_offline(ctrl_info)) + return -ENXIO; } - usleep_range(1000, 2000); - } - - return 0; -} - -static int pqi_ctrl_wait_for_pending_io(struct pqi_ctrl_info *ctrl_info, - unsigned long timeout_secs) -{ - bool io_pending; - unsigned long flags; - unsigned long timeout; - struct pqi_scsi_dev *device; - - timeout = (timeout_secs * PQI_HZ) + jiffies; - while (1) { - io_pending = false; - - spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); - list_for_each_entry(device, &ctrl_info->scsi_device_list, - scsi_device_list_entry) { - if (atomic_read(&device->scsi_cmds_outstanding)) { - io_pending = true; - break; - } + msecs_waiting = jiffies_to_msecs(jiffies - start_jiffies); + if (msecs_waiting >= timeout_msecs) { + dev_err(&ctrl_info->pci_dev->dev, + "scsi %d:%d:%d:%d: timed out after %lu seconds waiting for %d outstanding command(s)\n", + ctrl_info->scsi_host->host_no, device->bus, device->target, + lun, msecs_waiting / 1000, cmds_outstanding); + return -ETIMEDOUT; } - spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, - flags); - - if (!io_pending) - break; - - pqi_check_ctrl_health(ctrl_info); - if (pqi_ctrl_offline(ctrl_info)) - return -ENXIO; - - if (timeout_secs != NO_TIMEOUT) { - if (time_after(jiffies, timeout)) { - dev_err(&ctrl_info->pci_dev->dev, - "timed out waiting for pending IO\n"); - return -ETIMEDOUT; - } + if (time_after(jiffies, warning_timeout)) { + dev_warn(&ctrl_info->pci_dev->dev, + "scsi %d:%d:%d:%d: waiting %lu seconds for %d outstanding command(s)\n", + ctrl_info->scsi_host->host_no, device->bus, device->target, + lun, msecs_waiting / 1000, cmds_outstanding); + warning_timeout = (PQI_PENDING_IO_WARNING_TIMEOUT_SECS * HZ) + jiffies; } usleep_range(1000, 2000); } @@ -5594,16 +6303,20 @@ static void pqi_lun_reset_complete(struct pqi_io_request *io_request, complete(waiting); } -#define PQI_LUN_RESET_TIMEOUT_SECS 10 +#define PQI_LUN_RESET_POLL_COMPLETION_SECS 10 static int pqi_wait_for_lun_reset_completion(struct pqi_ctrl_info *ctrl_info, - struct pqi_scsi_dev *device, struct completion *wait) + struct pqi_scsi_dev *device, u8 lun, struct completion *wait) { int rc; + unsigned int wait_secs; + int cmds_outstanding; + + wait_secs = 0; while (1) { if (wait_for_completion_io_timeout(wait, - PQI_LUN_RESET_TIMEOUT_SECS * PQI_HZ)) { + PQI_LUN_RESET_POLL_COMPLETION_SECS * HZ)) { rc = 0; break; } @@ -5613,20 +6326,27 @@ static int pqi_wait_for_lun_reset_completion(struct pqi_ctrl_info *ctrl_info, rc = -ENXIO; break; } + + wait_secs += PQI_LUN_RESET_POLL_COMPLETION_SECS; + cmds_outstanding = atomic_read(&device->scsi_cmds_outstanding[lun]); + dev_warn(&ctrl_info->pci_dev->dev, + "scsi %d:%d:%d:%d: waiting %u seconds for LUN reset to complete (%d command(s) outstanding)\n", + ctrl_info->scsi_host->host_no, device->bus, device->target, lun, wait_secs, cmds_outstanding); } return rc; } -static int pqi_lun_reset(struct pqi_ctrl_info *ctrl_info, - struct pqi_scsi_dev *device) +#define PQI_LUN_RESET_FIRMWARE_TIMEOUT_SECS 30 + +static int pqi_lun_reset(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, u8 lun) { int rc; struct pqi_io_request *io_request; DECLARE_COMPLETION_ONSTACK(wait); struct pqi_task_management_request *request; - io_request = pqi_alloc_io_request(ctrl_info); + io_request = pqi_alloc_io_request(ctrl_info, NULL); io_request->io_complete_callback = pqi_lun_reset_complete; io_request->context = &wait; @@ -5639,13 +6359,16 @@ static int pqi_lun_reset(struct pqi_ctrl_info *ctrl_info, put_unaligned_le16(io_request->index, &request->request_id); memcpy(request->lun_number, device->scsi3addr, sizeof(request->lun_number)); + if (!pqi_is_logical_device(device) && ctrl_info->multi_lun_device_supported) + request->ml_device_lun_number = lun; request->task_management_function = SOP_TASK_MANAGEMENT_LUN_RESET; + if (ctrl_info->tmf_iu_timeout_supported) + put_unaligned_le16(PQI_LUN_RESET_FIRMWARE_TIMEOUT_SECS, &request->timeout); - pqi_start_io(ctrl_info, - &ctrl_info->queue_groups[PQI_DEFAULT_QUEUE_GROUP], RAID_PATH, + pqi_start_io(ctrl_info, &ctrl_info->queue_groups[PQI_DEFAULT_QUEUE_GROUP], RAID_PATH, io_request); - rc = pqi_wait_for_lun_reset_completion(ctrl_info, device, &wait); + rc = pqi_wait_for_lun_reset_completion(ctrl_info, device, lun, &wait); if (rc == 0) rc = io_request->status; @@ -5654,93 +6377,164 @@ static int pqi_lun_reset(struct pqi_ctrl_info *ctrl_info, return rc; } -#define PQI_LUN_RESET_RETRIES 3 -#define PQI_LUN_RESET_RETRY_INTERVAL_MSECS 10000 -/* Performs a reset at the LUN level. */ +#define PQI_LUN_RESET_RETRIES 3 +#define PQI_LUN_RESET_RETRY_INTERVAL_MSECS (10 * 1000) +#define PQI_LUN_RESET_PENDING_IO_TIMEOUT_MSECS (10 * 60 * 1000) +#define PQI_LUN_RESET_FAILED_PENDING_IO_TIMEOUT_MSECS (2 * 60 * 1000) -static int _pqi_device_reset(struct pqi_ctrl_info *ctrl_info, - struct pqi_scsi_dev *device) +static int pqi_lun_reset_with_retries(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, u8 lun) { - int rc; + int reset_rc; + int wait_rc; unsigned int retries; - unsigned long timeout_secs; + unsigned long timeout_msecs; for (retries = 0;;) { - rc = pqi_lun_reset(ctrl_info, device); - if (rc != -EAGAIN || - ++retries > PQI_LUN_RESET_RETRIES) + reset_rc = pqi_lun_reset(ctrl_info, device, lun); + if (reset_rc == 0 || reset_rc == -ENODEV || reset_rc == -ENXIO || ++retries > PQI_LUN_RESET_RETRIES) break; msleep(PQI_LUN_RESET_RETRY_INTERVAL_MSECS); } - timeout_secs = rc ? PQI_LUN_RESET_TIMEOUT_SECS : NO_TIMEOUT; - rc |= pqi_device_wait_for_pending_io(ctrl_info, device, timeout_secs); + timeout_msecs = reset_rc ? PQI_LUN_RESET_FAILED_PENDING_IO_TIMEOUT_MSECS : + PQI_LUN_RESET_PENDING_IO_TIMEOUT_MSECS; - return rc == 0 ? SUCCESS : FAILED; + wait_rc = pqi_device_wait_for_pending_io(ctrl_info, device, lun, timeout_msecs); + if (wait_rc && reset_rc == 0) + reset_rc = wait_rc; + + return reset_rc == 0 ? SUCCESS : FAILED; } -static int pqi_device_reset(struct pqi_ctrl_info *ctrl_info, - struct pqi_scsi_dev *device) +static int pqi_device_reset(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, u8 lun) { int rc; - mutex_lock(&ctrl_info->lun_reset_mutex); - pqi_ctrl_block_requests(ctrl_info); pqi_ctrl_wait_until_quiesced(ctrl_info); - pqi_fail_io_queued_for_device(ctrl_info, device); + pqi_fail_io_queued_for_device(ctrl_info, device, lun); rc = pqi_wait_until_inbound_queues_empty(ctrl_info); - pqi_device_reset_start(device); + pqi_device_reset_start(device, lun); pqi_ctrl_unblock_requests(ctrl_info); - if (rc) rc = FAILED; else - rc = _pqi_device_reset(ctrl_info, device); + rc = pqi_lun_reset_with_retries(ctrl_info, device, lun); + pqi_device_reset_done(device, lun); + + return rc; +} + +static int pqi_device_reset_handler(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *device, u8 lun, struct scsi_cmnd *scmd, u8 scsi_opcode) +{ + unsigned long flags; + int rc; + + mutex_lock(&ctrl_info->lun_reset_mutex); + + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); + if (pqi_find_scsi_dev(ctrl_info, device->bus, device->target, device->lun) == NULL) { + dev_warn(&ctrl_info->pci_dev->dev, + "skipping reset of scsi %d:%d:%d:%u, device has been removed\n", + ctrl_info->scsi_host->host_no, device->bus, device->target, device->lun); + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + mutex_unlock(&ctrl_info->lun_reset_mutex); + return 0; + } + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + + dev_err(&ctrl_info->pci_dev->dev, + "resetting scsi %d:%d:%d:%u SCSI cmd at %p due to cmd opcode 0x%02x\n", + ctrl_info->scsi_host->host_no, device->bus, device->target, lun, scmd, scsi_opcode); + + pqi_check_ctrl_health(ctrl_info); + if (pqi_ctrl_offline(ctrl_info)) + rc = FAILED; + else + rc = pqi_device_reset(ctrl_info, device, lun); - pqi_device_reset_done(device); + dev_err(&ctrl_info->pci_dev->dev, + "reset of scsi %d:%d:%d:%u: %s\n", + ctrl_info->scsi_host->host_no, device->bus, device->target, lun, + rc == SUCCESS ? "SUCCESS" : "FAILED"); mutex_unlock(&ctrl_info->lun_reset_mutex); + return rc; } static int pqi_eh_device_reset_handler(struct scsi_cmnd *scmd) { - int rc; struct Scsi_Host *shost; struct pqi_ctrl_info *ctrl_info; struct pqi_scsi_dev *device; + u8 scsi_opcode; + + shost = scmd->device->host; + ctrl_info = shost_to_hba(shost); + device = scmd->device->hostdata; + scsi_opcode = scmd->cmd_len > 0 ? scmd->cmnd[0] : 0xff; + + return pqi_device_reset_handler(ctrl_info, device, (u8)scmd->device->lun, scmd, scsi_opcode); +} + +static void pqi_tmf_worker(struct work_struct *work) +{ + struct pqi_tmf_work *tmf_work; + struct scsi_cmnd *scmd; + + tmf_work = container_of(work, struct pqi_tmf_work, work_struct); + scmd = (struct scsi_cmnd *)xchg(&tmf_work->scmd, NULL); + + pqi_device_reset_handler(tmf_work->ctrl_info, tmf_work->device, tmf_work->lun, scmd, tmf_work->scsi_opcode); +} + +static int pqi_eh_abort_handler(struct scsi_cmnd *scmd) +{ + struct Scsi_Host *shost; + struct pqi_ctrl_info *ctrl_info; + struct pqi_scsi_dev *device; + struct pqi_tmf_work *tmf_work; + DECLARE_COMPLETION_ONSTACK(wait); shost = scmd->device->host; ctrl_info = shost_to_hba(shost); device = scmd->device->hostdata; dev_err(&ctrl_info->pci_dev->dev, - "resetting scsi %d:%d:%d:%d\n", - shost->host_no, device->bus, device->target, device->lun); + "attempting TASK ABORT on scsi %d:%d:%d:%d for SCSI cmd at %p\n", + shost->host_no, device->bus, device->target, (int)scmd->device->lun, scmd); - pqi_check_ctrl_health(ctrl_info); - if (pqi_ctrl_offline(ctrl_info)) { + if (cmpxchg(&scmd->host_scribble, PQI_NO_COMPLETION, (void *)&wait) == NULL) { dev_err(&ctrl_info->pci_dev->dev, - "controller %u offlined - cannot send device reset\n", - ctrl_info->ctrl_id); - rc = FAILED; + "scsi %d:%d:%d:%d for SCSI cmd at %p already completed\n", + shost->host_no, device->bus, device->target, (int)scmd->device->lun, scmd); + scmd->result = DID_RESET << 16; goto out; } - pqi_wait_until_ofa_finished(ctrl_info); + tmf_work = &device->tmf_work[scmd->device->lun]; + + if (cmpxchg(&tmf_work->scmd, NULL, scmd) == NULL) { + tmf_work->ctrl_info = ctrl_info; + tmf_work->device = device; + tmf_work->lun = (u8)scmd->device->lun; + tmf_work->scsi_opcode = scmd->cmd_len > 0 ? scmd->cmnd[0] : 0xff; + schedule_work(&tmf_work->work_struct); + } + + wait_for_completion(&wait); - rc = pqi_device_reset(ctrl_info, device); -out: dev_err(&ctrl_info->pci_dev->dev, - "reset of scsi %d:%d:%d:%d: %s\n", - shost->host_no, device->bus, device->target, device->lun, - rc == SUCCESS ? "SUCCESS" : "FAILED"); + "TASK ABORT on scsi %d:%d:%d:%d for SCSI cmd at %p: SUCCESS\n", + shost->host_no, device->bus, device->target, (int)scmd->device->lun, scmd); - return rc; +out: + + return SUCCESS; } -static int pqi_slave_alloc(struct scsi_device *sdev) +static int pqi_sdev_init(struct scsi_device *sdev) { struct pqi_scsi_dev *device; unsigned long flags; @@ -5757,9 +6551,13 @@ static int pqi_slave_alloc(struct scsi_device *sdev) rphy = target_to_rphy(starget); device = pqi_find_device_by_sas_rphy(ctrl_info, rphy); if (device) { - device->target = sdev_id(sdev); - device->lun = sdev->lun; - device->target_lun_valid = true; + if (device->target_lun_valid) { + device->ignore_device = true; + } else { + device->target = sdev_id(sdev); + device->lun = sdev->lun; + device->target_lun_valid = true; + } } } else { device = pqi_find_scsi_dev(ctrl_info, sdev_channel(sdev), @@ -5774,10 +6572,13 @@ static int pqi_slave_alloc(struct scsi_device *sdev) scsi_change_queue_depth(sdev, device->advertised_queue_depth); } - if (pqi_is_logical_device(device)) + if (pqi_is_logical_device(device)) { pqi_disable_write_same(sdev); - else + } else { sdev->allow_restart = 1; + if (device->device_type == SA_DEVICE_TYPE_NVME) + pqi_disable_write_same(sdev); + } } spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); @@ -5785,36 +6586,101 @@ static int pqi_slave_alloc(struct scsi_device *sdev) return 0; } -static int pqi_map_queues(struct Scsi_Host *shost) +static void pqi_map_queues(struct Scsi_Host *shost) { struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); - return blk_mq_pci_map_queues(&shost->tag_set.map[0], - ctrl_info->pci_dev, 0); + if (!ctrl_info->disable_managed_interrupts) + blk_mq_map_hw_queues(&shost->tag_set.map[HCTX_TYPE_DEFAULT], + &ctrl_info->pci_dev->dev, 0); + else + blk_mq_map_queues(&shost->tag_set.map[HCTX_TYPE_DEFAULT]); +} + +static inline bool pqi_is_tape_changer_device(struct pqi_scsi_dev *device) +{ + return device->devtype == TYPE_TAPE || device->devtype == TYPE_MEDIUM_CHANGER; +} + +static int pqi_sdev_configure(struct scsi_device *sdev, + struct queue_limits *lim) +{ + int rc = 0; + struct pqi_scsi_dev *device; + + device = sdev->hostdata; + device->devtype = sdev->type; + + if (pqi_is_tape_changer_device(device) && device->ignore_device) { + rc = -ENXIO; + device->ignore_device = false; + } + + return rc; } -static int pqi_getpciinfo_ioctl(struct pqi_ctrl_info *ctrl_info, - void __user *arg) +static void pqi_sdev_destroy(struct scsi_device *sdev) +{ + struct pqi_ctrl_info *ctrl_info; + struct pqi_scsi_dev *device; + struct pqi_tmf_work *tmf_work; + int mutex_acquired; + unsigned int lun; + unsigned long flags; + + ctrl_info = shost_to_hba(sdev->host); + + mutex_acquired = mutex_trylock(&ctrl_info->scan_mutex); + if (!mutex_acquired) + return; + + device = sdev->hostdata; + if (!device) { + mutex_unlock(&ctrl_info->scan_mutex); + return; + } + + device->lun_count--; + if (device->lun_count > 0) { + mutex_unlock(&ctrl_info->scan_mutex); + return; + } + + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); + list_del(&device->scsi_device_list_entry); + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + + mutex_unlock(&ctrl_info->scan_mutex); + + for (lun = 0, tmf_work = device->tmf_work; lun < PQI_MAX_LUNS_PER_DEVICE; lun++, tmf_work++) + cancel_work_sync(&tmf_work->work_struct); + + mutex_lock(&ctrl_info->lun_reset_mutex); + pqi_dev_info(ctrl_info, "removed", device); + pqi_free_device(device); + mutex_unlock(&ctrl_info->lun_reset_mutex); +} + +static int pqi_getpciinfo_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg) { struct pci_dev *pci_dev; u32 subsystem_vendor; u32 subsystem_device; - cciss_pci_info_struct pciinfo; + cciss_pci_info_struct pci_info; if (!arg) return -EINVAL; pci_dev = ctrl_info->pci_dev; - pciinfo.domain = pci_domain_nr(pci_dev->bus); - pciinfo.bus = pci_dev->bus->number; - pciinfo.dev_fn = pci_dev->devfn; + pci_info.domain = pci_domain_nr(pci_dev->bus); + pci_info.bus = pci_dev->bus->number; + pci_info.dev_fn = pci_dev->devfn; subsystem_vendor = pci_dev->subsystem_vendor; subsystem_device = pci_dev->subsystem_device; - pciinfo.board_id = ((subsystem_device << 16) & 0xffff0000) | - subsystem_vendor; + pci_info.board_id = ((subsystem_device << 16) & 0xffff0000) | subsystem_vendor; - if (copy_to_user(arg, &pciinfo, sizeof(pciinfo))) + if (copy_to_user(arg, &pci_info, sizeof(pci_info))) return -EFAULT; return 0; @@ -5918,6 +6784,8 @@ static int pqi_passthru_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg) if (pqi_ctrl_offline(ctrl_info)) return -ENXIO; + if (pqi_ofa_in_progress(ctrl_info) && pqi_ctrl_blocked(ctrl_info)) + return -EBUSY; if (!arg) return -EINVAL; if (!capable(CAP_SYS_RAWIO)) @@ -5943,17 +6811,15 @@ static int pqi_passthru_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg) } if (iocommand.buf_size > 0) { - kernel_buffer = kmalloc(iocommand.buf_size, GFP_KERNEL); - if (!kernel_buffer) - return -ENOMEM; if (iocommand.Request.Type.Direction & XFER_WRITE) { - if (copy_from_user(kernel_buffer, iocommand.buf, - iocommand.buf_size)) { - rc = -EFAULT; - goto out; - } + kernel_buffer = memdup_user(iocommand.buf, + iocommand.buf_size); + if (IS_ERR(kernel_buffer)) + return PTR_ERR(kernel_buffer); } else { - memset(kernel_buffer, 0, iocommand.buf_size); + kernel_buffer = kzalloc(iocommand.buf_size, GFP_KERNEL); + if (!kernel_buffer) + return -ENOMEM; } } @@ -5998,8 +6864,11 @@ static int pqi_passthru_ioctl(struct pqi_ctrl_info *ctrl_info, void __user *arg) put_unaligned_le16(iu_length, &request.header.iu_length); + if (ctrl_info->raid_iu_timeout_supported) + put_unaligned_le32(iocommand.Request.Timeout, &request.timeout); + rc = pqi_submit_raid_request_synchronous(ctrl_info, &request.header, - PQI_SYNC_FLAGS_INTERRUPTABLE, &pqi_error_info, NO_TIMEOUT); + PQI_SYNC_FLAGS_INTERRUPTABLE, &pqi_error_info); if (iocommand.buf_size > 0) pqi_pci_unmap(ctrl_info->pci_dev, request.sg_descriptors, 1, @@ -6043,16 +6912,14 @@ out: return rc; } -static int pqi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) +static int pqi_ioctl(struct scsi_device *sdev, unsigned int cmd, + void __user *arg) { int rc; struct pqi_ctrl_info *ctrl_info; ctrl_info = shost_to_hba(sdev->host); - if (pqi_ctrl_in_ofa(ctrl_info)) - return -EBUSY; - switch (cmd) { case CCISS_DEREGDISK: case CCISS_REGNEWDISK: @@ -6076,23 +6943,52 @@ static int pqi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) return rc; } -static ssize_t pqi_version_show(struct device *dev, +static ssize_t pqi_firmware_version_show(struct device *dev, struct device_attribute *attr, char *buffer) { - ssize_t count = 0; struct Scsi_Host *shost; struct pqi_ctrl_info *ctrl_info; shost = class_to_shost(dev); ctrl_info = shost_to_hba(shost); - count += snprintf(buffer + count, PAGE_SIZE - count, - " driver: %s\n", DRIVER_VERSION BUILD_TIMESTAMP); + return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->firmware_version); +} - count += snprintf(buffer + count, PAGE_SIZE - count, - "firmware: %s\n", ctrl_info->firmware_version); +static ssize_t pqi_serial_number_show(struct device *dev, + struct device_attribute *attr, char *buffer) +{ + struct Scsi_Host *shost; + struct pqi_ctrl_info *ctrl_info; - return count; + shost = class_to_shost(dev); + ctrl_info = shost_to_hba(shost); + + return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->serial_number); +} + +static ssize_t pqi_model_show(struct device *dev, + struct device_attribute *attr, char *buffer) +{ + struct Scsi_Host *shost; + struct pqi_ctrl_info *ctrl_info; + + shost = class_to_shost(dev); + ctrl_info = shost_to_hba(shost); + + return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->model); +} + +static ssize_t pqi_vendor_show(struct device *dev, + struct device_attribute *attr, char *buffer) +{ + struct Scsi_Host *shost; + struct pqi_ctrl_info *ctrl_info; + + shost = class_to_shost(dev); + ctrl_info = shost_to_hba(shost); + + return scnprintf(buffer, PAGE_SIZE, "%s\n", ctrl_info->vendor); } static ssize_t pqi_host_rescan_store(struct device *dev, @@ -6113,14 +7009,14 @@ static ssize_t pqi_lockup_action_show(struct device *dev, for (i = 0; i < ARRAY_SIZE(pqi_lockup_actions); i++) { if (pqi_lockup_actions[i].action == pqi_lockup_action) - count += snprintf(buffer + count, PAGE_SIZE - count, + count += scnprintf(buffer + count, PAGE_SIZE - count, "[%s] ", pqi_lockup_actions[i].name); else - count += snprintf(buffer + count, PAGE_SIZE - count, + count += scnprintf(buffer + count, PAGE_SIZE - count, "%s ", pqi_lockup_actions[i].name); } - count += snprintf(buffer + count, PAGE_SIZE - count, "\n"); + count += scnprintf(buffer + count, PAGE_SIZE - count, "\n"); return count; } @@ -6132,7 +7028,7 @@ static ssize_t pqi_lockup_action_store(struct device *dev, char *action_name; char action_name_buffer[32]; - strlcpy(action_name_buffer, buffer, sizeof(action_name_buffer)); + strscpy(action_name_buffer, buffer, sizeof(action_name_buffer)); action_name = strstrip(action_name_buffer); for (i = 0; i < ARRAY_SIZE(pqi_lockup_actions); i++) { @@ -6145,18 +7041,121 @@ static ssize_t pqi_lockup_action_store(struct device *dev, return -EINVAL; } -static DEVICE_ATTR(version, 0444, pqi_version_show, NULL); -static DEVICE_ATTR(rescan, 0200, NULL, pqi_host_rescan_store); -static DEVICE_ATTR(lockup_action, 0644, - pqi_lockup_action_show, pqi_lockup_action_store); +static ssize_t pqi_host_enable_stream_detection_show(struct device *dev, + struct device_attribute *attr, char *buffer) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); + + return scnprintf(buffer, 10, "%x\n", + ctrl_info->enable_stream_detection); +} + +static ssize_t pqi_host_enable_stream_detection_store(struct device *dev, + struct device_attribute *attr, const char *buffer, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); + u8 set_stream_detection = 0; + + if (kstrtou8(buffer, 0, &set_stream_detection)) + return -EINVAL; + + if (set_stream_detection > 0) + set_stream_detection = 1; + + ctrl_info->enable_stream_detection = set_stream_detection; + + return count; +} + +static ssize_t pqi_host_enable_r5_writes_show(struct device *dev, + struct device_attribute *attr, char *buffer) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); + + return scnprintf(buffer, 10, "%x\n", ctrl_info->enable_r5_writes); +} + +static ssize_t pqi_host_enable_r5_writes_store(struct device *dev, + struct device_attribute *attr, const char *buffer, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); + u8 set_r5_writes = 0; + + if (kstrtou8(buffer, 0, &set_r5_writes)) + return -EINVAL; + + if (set_r5_writes > 0) + set_r5_writes = 1; + + ctrl_info->enable_r5_writes = set_r5_writes; + + return count; +} + +static ssize_t pqi_host_enable_r6_writes_show(struct device *dev, + struct device_attribute *attr, char *buffer) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); + + return scnprintf(buffer, 10, "%x\n", ctrl_info->enable_r6_writes); +} + +static ssize_t pqi_host_enable_r6_writes_store(struct device *dev, + struct device_attribute *attr, const char *buffer, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost); + u8 set_r6_writes = 0; + + if (kstrtou8(buffer, 0, &set_r6_writes)) + return -EINVAL; + + if (set_r6_writes > 0) + set_r6_writes = 1; + + ctrl_info->enable_r6_writes = set_r6_writes; -static struct device_attribute *pqi_shost_attrs[] = { - &dev_attr_version, - &dev_attr_rescan, - &dev_attr_lockup_action, + return count; +} + +static DEVICE_STRING_ATTR_RO(driver_version, 0444, + DRIVER_VERSION BUILD_TIMESTAMP); +static DEVICE_ATTR(firmware_version, 0444, pqi_firmware_version_show, NULL); +static DEVICE_ATTR(model, 0444, pqi_model_show, NULL); +static DEVICE_ATTR(serial_number, 0444, pqi_serial_number_show, NULL); +static DEVICE_ATTR(vendor, 0444, pqi_vendor_show, NULL); +static DEVICE_ATTR(rescan, 0200, NULL, pqi_host_rescan_store); +static DEVICE_ATTR(lockup_action, 0644, pqi_lockup_action_show, + pqi_lockup_action_store); +static DEVICE_ATTR(enable_stream_detection, 0644, + pqi_host_enable_stream_detection_show, + pqi_host_enable_stream_detection_store); +static DEVICE_ATTR(enable_r5_writes, 0644, + pqi_host_enable_r5_writes_show, pqi_host_enable_r5_writes_store); +static DEVICE_ATTR(enable_r6_writes, 0644, + pqi_host_enable_r6_writes_show, pqi_host_enable_r6_writes_store); + +static struct attribute *pqi_shost_attrs[] = { + &dev_attr_driver_version.attr.attr, + &dev_attr_firmware_version.attr, + &dev_attr_model.attr, + &dev_attr_serial_number.attr, + &dev_attr_vendor.attr, + &dev_attr_rescan.attr, + &dev_attr_lockup_action.attr, + &dev_attr_enable_stream_detection.attr, + &dev_attr_enable_r5_writes.attr, + &dev_attr_enable_r6_writes.attr, NULL }; +ATTRIBUTE_GROUPS(pqi_shost); + static ssize_t pqi_unique_id_show(struct device *dev, struct device_attribute *attr, char *buffer) { @@ -6164,29 +7163,36 @@ static ssize_t pqi_unique_id_show(struct device *dev, struct scsi_device *sdev; struct pqi_scsi_dev *device; unsigned long flags; - unsigned char uid[16]; + u8 unique_id[16]; sdev = to_scsi_device(dev); ctrl_info = shost_to_hba(sdev->host); + if (pqi_ctrl_offline(ctrl_info)) + return -ENODEV; + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); device = sdev->hostdata; if (!device) { - spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, - flags); + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); return -ENODEV; } - memcpy(uid, device->unique_id, sizeof(uid)); + + if (device->is_physical_device) + memcpy(unique_id, device->wwid, sizeof(device->wwid)); + else + memcpy(unique_id, device->volume_id, sizeof(device->volume_id)); spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); - return snprintf(buffer, PAGE_SIZE, - "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n", - uid[0], uid[1], uid[2], uid[3], - uid[4], uid[5], uid[6], uid[7], - uid[8], uid[9], uid[10], uid[11], - uid[12], uid[13], uid[14], uid[15]); + return scnprintf(buffer, PAGE_SIZE, + "%02X%02X%02X%02X%02X%02X%02X%02X" + "%02X%02X%02X%02X%02X%02X%02X%02X\n", + unique_id[0], unique_id[1], unique_id[2], unique_id[3], + unique_id[4], unique_id[5], unique_id[6], unique_id[7], + unique_id[8], unique_id[9], unique_id[10], unique_id[11], + unique_id[12], unique_id[13], unique_id[14], unique_id[15]); } static ssize_t pqi_lunid_show(struct device *dev, @@ -6201,22 +7207,26 @@ static ssize_t pqi_lunid_show(struct device *dev, sdev = to_scsi_device(dev); ctrl_info = shost_to_hba(sdev->host); + if (pqi_ctrl_offline(ctrl_info)) + return -ENODEV; + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); device = sdev->hostdata; if (!device) { - spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, - flags); + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); return -ENODEV; } + memcpy(lunid, device->scsi3addr, sizeof(lunid)); spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); - return snprintf(buffer, PAGE_SIZE, "0x%8phN\n", lunid); + return scnprintf(buffer, PAGE_SIZE, "0x%8phN\n", lunid); } -#define MAX_PATHS 8 +#define MAX_PATHS 8 + static ssize_t pqi_path_info_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -6228,25 +7238,27 @@ static ssize_t pqi_path_info_show(struct device *dev, int output_len = 0; u8 box; u8 bay; - u8 path_map_index = 0; + u8 path_map_index; char *active; - unsigned char phys_connector[2]; + u8 phys_connector[2]; sdev = to_scsi_device(dev); ctrl_info = shost_to_hba(sdev->host); + if (pqi_ctrl_offline(ctrl_info)) + return -ENODEV; + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); device = sdev->hostdata; if (!device) { - spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, - flags); + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); return -ENODEV; } bay = device->bay; for (i = 0; i < MAX_PATHS; i++) { - path_map_index = 1<<i; + path_map_index = 1 << i; if (i == device->active_path_index) active = "Active"; else if (device->path_map & path_map_index) @@ -6297,10 +7309,10 @@ end_buffer: } spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + return output_len; } - static ssize_t pqi_sas_address_show(struct device *dev, struct device_attribute *attr, char *buffer) { @@ -6313,19 +7325,22 @@ static ssize_t pqi_sas_address_show(struct device *dev, sdev = to_scsi_device(dev); ctrl_info = shost_to_hba(sdev->host); + if (pqi_ctrl_offline(ctrl_info)) + return -ENODEV; + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); device = sdev->hostdata; - if (pqi_is_logical_device(device)) { - spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, - flags); + if (!device) { + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); return -ENODEV; } + sas_address = device->sas_address; spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); - return snprintf(buffer, PAGE_SIZE, "0x%016llx\n", sas_address); + return scnprintf(buffer, PAGE_SIZE, "0x%016llx\n", sas_address); } static ssize_t pqi_ssd_smart_path_enabled_show(struct device *dev, @@ -6339,9 +7354,17 @@ static ssize_t pqi_ssd_smart_path_enabled_show(struct device *dev, sdev = to_scsi_device(dev); ctrl_info = shost_to_hba(sdev->host); + if (pqi_ctrl_offline(ctrl_info)) + return -ENODEV; + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); device = sdev->hostdata; + if (!device) { + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + return -ENODEV; + } + buffer[0] = device->raid_bypass_enabled ? '1' : '0'; buffer[1] = '\n'; buffer[2] = '\0'; @@ -6363,39 +7386,209 @@ static ssize_t pqi_raid_level_show(struct device *dev, sdev = to_scsi_device(dev); ctrl_info = shost_to_hba(sdev->host); + if (pqi_ctrl_offline(ctrl_info)) + return -ENODEV; + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); device = sdev->hostdata; + if (!device) { + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + return -ENODEV; + } - if (pqi_is_logical_device(device)) + if (pqi_is_logical_device(device) && device->devtype == TYPE_DISK) raid_level = pqi_raid_level_to_string(device->raid_level); else raid_level = "N/A"; spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); - return snprintf(buffer, PAGE_SIZE, "%s\n", raid_level); + return scnprintf(buffer, PAGE_SIZE, "%s\n", raid_level); +} + +static ssize_t pqi_raid_bypass_cnt_show(struct device *dev, + struct device_attribute *attr, char *buffer) +{ + struct pqi_ctrl_info *ctrl_info; + struct scsi_device *sdev; + struct pqi_scsi_dev *device; + unsigned long flags; + u64 raid_bypass_cnt; + int cpu; + + sdev = to_scsi_device(dev); + ctrl_info = shost_to_hba(sdev->host); + + if (pqi_ctrl_offline(ctrl_info)) + return -ENODEV; + + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); + + device = sdev->hostdata; + if (!device) { + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + return -ENODEV; + } + + raid_bypass_cnt = 0; + + if (device->raid_io_stats) { + for_each_online_cpu(cpu) { + raid_bypass_cnt += per_cpu_ptr(device->raid_io_stats, cpu)->raid_bypass_cnt; + } + } + + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + + return scnprintf(buffer, PAGE_SIZE, "0x%llx\n", raid_bypass_cnt); +} + +static ssize_t pqi_sas_ncq_prio_enable_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct pqi_ctrl_info *ctrl_info; + struct scsi_device *sdev; + struct pqi_scsi_dev *device; + unsigned long flags; + int output_len = 0; + + sdev = to_scsi_device(dev); + ctrl_info = shost_to_hba(sdev->host); + + if (pqi_ctrl_offline(ctrl_info)) + return -ENODEV; + + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); + + device = sdev->hostdata; + if (!device) { + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + return -ENODEV; + } + + output_len = snprintf(buf, PAGE_SIZE, "%d\n", + device->ncq_prio_enable); + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + + return output_len; +} + +static ssize_t pqi_sas_ncq_prio_enable_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct pqi_ctrl_info *ctrl_info; + struct scsi_device *sdev; + struct pqi_scsi_dev *device; + unsigned long flags; + u8 ncq_prio_enable = 0; + + if (kstrtou8(buf, 0, &ncq_prio_enable)) + return -EINVAL; + + sdev = to_scsi_device(dev); + ctrl_info = shost_to_hba(sdev->host); + + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); + + device = sdev->hostdata; + + if (!device) { + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + return -ENODEV; + } + + if (!device->ncq_prio_support) { + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + return -EINVAL; + } + + device->ncq_prio_enable = ncq_prio_enable; + + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + + return strlen(buf); +} + +static ssize_t pqi_numa_node_show(struct device *dev, + struct device_attribute *attr, char *buffer) +{ + struct scsi_device *sdev; + struct pqi_ctrl_info *ctrl_info; + + sdev = to_scsi_device(dev); + ctrl_info = shost_to_hba(sdev->host); + + return scnprintf(buffer, PAGE_SIZE, "%d\n", ctrl_info->numa_node); +} + +static ssize_t pqi_write_stream_cnt_show(struct device *dev, + struct device_attribute *attr, char *buffer) +{ + struct pqi_ctrl_info *ctrl_info; + struct scsi_device *sdev; + struct pqi_scsi_dev *device; + unsigned long flags; + u64 write_stream_cnt; + int cpu; + + sdev = to_scsi_device(dev); + ctrl_info = shost_to_hba(sdev->host); + + if (pqi_ctrl_offline(ctrl_info)) + return -ENODEV; + + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); + + device = sdev->hostdata; + if (!device) { + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + return -ENODEV; + } + + write_stream_cnt = 0; + + if (device->raid_io_stats) { + for_each_online_cpu(cpu) { + write_stream_cnt += per_cpu_ptr(device->raid_io_stats, cpu)->write_stream_cnt; + } + } + + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); + + return scnprintf(buffer, PAGE_SIZE, "0x%llx\n", write_stream_cnt); } static DEVICE_ATTR(lunid, 0444, pqi_lunid_show, NULL); static DEVICE_ATTR(unique_id, 0444, pqi_unique_id_show, NULL); static DEVICE_ATTR(path_info, 0444, pqi_path_info_show, NULL); static DEVICE_ATTR(sas_address, 0444, pqi_sas_address_show, NULL); -static DEVICE_ATTR(ssd_smart_path_enabled, 0444, - pqi_ssd_smart_path_enabled_show, NULL); +static DEVICE_ATTR(ssd_smart_path_enabled, 0444, pqi_ssd_smart_path_enabled_show, NULL); static DEVICE_ATTR(raid_level, 0444, pqi_raid_level_show, NULL); - -static struct device_attribute *pqi_sdev_attrs[] = { - &dev_attr_lunid, - &dev_attr_unique_id, - &dev_attr_path_info, - &dev_attr_sas_address, - &dev_attr_ssd_smart_path_enabled, - &dev_attr_raid_level, +static DEVICE_ATTR(raid_bypass_cnt, 0444, pqi_raid_bypass_cnt_show, NULL); +static DEVICE_ATTR(sas_ncq_prio_enable, 0644, + pqi_sas_ncq_prio_enable_show, pqi_sas_ncq_prio_enable_store); +static DEVICE_ATTR(numa_node, 0444, pqi_numa_node_show, NULL); +static DEVICE_ATTR(write_stream_cnt, 0444, pqi_write_stream_cnt_show, NULL); + +static struct attribute *pqi_sdev_attrs[] = { + &dev_attr_lunid.attr, + &dev_attr_unique_id.attr, + &dev_attr_path_info.attr, + &dev_attr_sas_address.attr, + &dev_attr_ssd_smart_path_enabled.attr, + &dev_attr_raid_level.attr, + &dev_attr_raid_bypass_cnt.attr, + &dev_attr_sas_ncq_prio_enable.attr, + &dev_attr_numa_node.attr, + &dev_attr_write_stream_cnt.attr, NULL }; -static struct scsi_host_template pqi_driver_template = { +ATTRIBUTE_GROUPS(pqi_sdev); + +static const struct scsi_host_template pqi_driver_template = { .module = THIS_MODULE, .name = DRIVER_NAME_SHORT, .proc_name = DRIVER_NAME_SHORT, @@ -6404,11 +7597,15 @@ static struct scsi_host_template pqi_driver_template = { .scan_finished = pqi_scan_finished, .this_id = -1, .eh_device_reset_handler = pqi_eh_device_reset_handler, + .eh_abort_handler = pqi_eh_abort_handler, .ioctl = pqi_ioctl, - .slave_alloc = pqi_slave_alloc, + .sdev_init = pqi_sdev_init, + .sdev_configure = pqi_sdev_configure, + .sdev_destroy = pqi_sdev_destroy, .map_queues = pqi_map_queues, - .sdev_attrs = pqi_sdev_attrs, - .shost_attrs = pqi_shost_attrs, + .sdev_groups = pqi_sdev_groups, + .shost_groups = pqi_shost_groups, + .cmd_size = sizeof(struct pqi_cmd_priv), }; static int pqi_register_scsi(struct pqi_ctrl_info *ctrl_info) @@ -6418,9 +7615,7 @@ static int pqi_register_scsi(struct pqi_ctrl_info *ctrl_info) shost = scsi_host_alloc(&pqi_driver_template, sizeof(ctrl_info)); if (!shost) { - dev_err(&ctrl_info->pci_dev->dev, - "scsi_host_alloc failed for controller %u\n", - ctrl_info->ctrl_id); + dev_err(&ctrl_info->pci_dev->dev, "scsi_host_alloc failed\n"); return -ENOMEM; } @@ -6429,7 +7624,7 @@ static int pqi_register_scsi(struct pqi_ctrl_info *ctrl_info) shost->this_id = -1; shost->max_channel = PQI_MAX_BUS; shost->max_cmd_len = MAX_COMMAND_SIZE; - shost->max_lun = ~0; + shost->max_lun = PQI_MAX_LUNS_PER_DEVICE; shost->max_id = ~0; shost->max_sectors = ctrl_info->max_sectors; shost->can_queue = ctrl_info->scsi_ml_can_queue; @@ -6439,21 +7634,18 @@ static int pqi_register_scsi(struct pqi_ctrl_info *ctrl_info) shost->irq = pci_irq_vector(ctrl_info->pci_dev, 0); shost->unique_id = shost->irq; shost->nr_hw_queues = ctrl_info->num_queue_groups; + shost->host_tagset = 1; shost->hostdata[0] = (unsigned long)ctrl_info; rc = scsi_add_host(shost, &ctrl_info->pci_dev->dev); if (rc) { - dev_err(&ctrl_info->pci_dev->dev, - "scsi_add_host failed for controller %u\n", - ctrl_info->ctrl_id); + dev_err(&ctrl_info->pci_dev->dev, "scsi_add_host failed\n"); goto free_host; } rc = pqi_add_sas_host(shost, ctrl_info); if (rc) { - dev_err(&ctrl_info->pci_dev->dev, - "add SAS host failed for controller %u\n", - ctrl_info->ctrl_id); + dev_err(&ctrl_info->pci_dev->dev, "add SAS host failed\n"); goto remove_host; } @@ -6500,8 +7692,7 @@ static int pqi_wait_for_pqi_reset_completion(struct pqi_ctrl_info *ctrl_info) reset_reg.all_bits = readl(&pqi_registers->device_reset); if (reset_reg.bits.reset_action == PQI_RESET_ACTION_COMPLETED) break; - pqi_check_ctrl_health(ctrl_info); - if (pqi_ctrl_offline(ctrl_info)) { + if (!sis_is_firmware_running(ctrl_info)) { rc = -ENXIO; break; } @@ -6523,8 +7714,7 @@ static int pqi_reset(struct pqi_ctrl_info *ctrl_info) rc = sis_pqi_reset_quiesce(ctrl_info); if (rc) { dev_err(&ctrl_info->pci_dev->dev, - "PQI reset failed during quiesce with error %d\n", - rc); + "PQI reset failed during quiesce with error %d\n", rc); return rc; } } @@ -6543,7 +7733,30 @@ static int pqi_reset(struct pqi_ctrl_info *ctrl_info) return rc; } -static int pqi_get_ctrl_firmware_version(struct pqi_ctrl_info *ctrl_info) +static int pqi_get_ctrl_serial_number(struct pqi_ctrl_info *ctrl_info) +{ + int rc; + struct bmic_sense_subsystem_info *sense_info; + + sense_info = kzalloc(sizeof(*sense_info), GFP_KERNEL); + if (!sense_info) + return -ENOMEM; + + rc = pqi_sense_subsystem_info(ctrl_info, sense_info); + if (rc) + goto out; + + memcpy(ctrl_info->serial_number, sense_info->ctrl_serial_number, + sizeof(sense_info->ctrl_serial_number)); + ctrl_info->serial_number[sizeof(sense_info->ctrl_serial_number)] = '\0'; + +out: + kfree(sense_info); + + return rc; +} + +static int pqi_get_ctrl_product_details(struct pqi_ctrl_info *ctrl_info) { int rc; struct bmic_identify_controller *identify; @@ -6556,13 +7769,35 @@ static int pqi_get_ctrl_firmware_version(struct pqi_ctrl_info *ctrl_info) if (rc) goto out; - memcpy(ctrl_info->firmware_version, identify->firmware_version, - sizeof(identify->firmware_version)); - ctrl_info->firmware_version[sizeof(identify->firmware_version)] = '\0'; - snprintf(ctrl_info->firmware_version + - strlen(ctrl_info->firmware_version), - sizeof(ctrl_info->firmware_version), - "-%u", get_unaligned_le16(&identify->firmware_build_number)); + if (get_unaligned_le32(&identify->extra_controller_flags) & + BMIC_IDENTIFY_EXTRA_FLAGS_LONG_FW_VERSION_SUPPORTED) { + memcpy(ctrl_info->firmware_version, + identify->firmware_version_long, + sizeof(identify->firmware_version_long)); + } else { + memcpy(ctrl_info->firmware_version, + identify->firmware_version_short, + sizeof(identify->firmware_version_short)); + ctrl_info->firmware_version + [sizeof(identify->firmware_version_short)] = '\0'; + snprintf(ctrl_info->firmware_version + + strlen(ctrl_info->firmware_version), + sizeof(ctrl_info->firmware_version) - + sizeof(identify->firmware_version_short), + "-%u", + get_unaligned_le16(&identify->firmware_build_number)); + } + + memcpy(ctrl_info->model, identify->product_id, + sizeof(identify->product_id)); + ctrl_info->model[sizeof(identify->product_id)] = '\0'; + + memcpy(ctrl_info->vendor, identify->vendor_id, + sizeof(identify->vendor_id)); + ctrl_info->vendor[sizeof(identify->vendor_id)] = '\0'; + + dev_info(&ctrl_info->pci_dev->dev, + "Firmware version: %s\n", ctrl_info->firmware_version); out: kfree(identify); @@ -6641,8 +7876,7 @@ static int pqi_config_table_update(struct pqi_ctrl_info *ctrl_info, put_unaligned_le16(last_section, &request.data.config_table_update.last_section); - return pqi_submit_raid_request_synchronous(ctrl_info, &request.header, - 0, NULL, NO_TIMEOUT); + return pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); } static int pqi_enable_firmware_features(struct pqi_ctrl_info *ctrl_info, @@ -6651,6 +7885,7 @@ static int pqi_enable_firmware_features(struct pqi_ctrl_info *ctrl_info, { void *features_requested; void __iomem *features_requested_iomem_addr; + void __iomem *host_max_known_feature_iomem_addr; features_requested = firmware_features->features_supported + le16_to_cpu(firmware_features->num_elements); @@ -6661,6 +7896,16 @@ static int pqi_enable_firmware_features(struct pqi_ctrl_info *ctrl_info, memcpy_toio(features_requested_iomem_addr, features_requested, le16_to_cpu(firmware_features->num_elements)); + if (pqi_is_firmware_feature_supported(firmware_features, + PQI_FIRMWARE_FEATURE_MAX_KNOWN_FEATURE)) { + host_max_known_feature_iomem_addr = + features_requested_iomem_addr + + (le16_to_cpu(firmware_features->num_elements) * 2) + + sizeof(__le16); + writeb(PQI_FIRMWARE_FEATURE_MAXIMUM & 0xFF, host_max_known_feature_iomem_addr); + writeb((PQI_FIRMWARE_FEATURE_MAXIMUM & 0xFF00) >> 8, host_max_known_feature_iomem_addr + 1); + } + return pqi_config_table_update(ctrl_info, PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES, PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES); @@ -6694,6 +7939,48 @@ static void pqi_firmware_feature_status(struct pqi_ctrl_info *ctrl_info, firmware_feature->feature_name); } +static void pqi_ctrl_update_feature_flags(struct pqi_ctrl_info *ctrl_info, + struct pqi_firmware_feature *firmware_feature) +{ + switch (firmware_feature->feature_bit) { + case PQI_FIRMWARE_FEATURE_RAID_1_WRITE_BYPASS: + ctrl_info->enable_r1_writes = firmware_feature->enabled; + break; + case PQI_FIRMWARE_FEATURE_RAID_5_WRITE_BYPASS: + ctrl_info->enable_r5_writes = firmware_feature->enabled; + break; + case PQI_FIRMWARE_FEATURE_RAID_6_WRITE_BYPASS: + ctrl_info->enable_r6_writes = firmware_feature->enabled; + break; + case PQI_FIRMWARE_FEATURE_SOFT_RESET_HANDSHAKE: + ctrl_info->soft_reset_handshake_supported = + firmware_feature->enabled && + pqi_read_soft_reset_status(ctrl_info); + break; + case PQI_FIRMWARE_FEATURE_RAID_IU_TIMEOUT: + ctrl_info->raid_iu_timeout_supported = firmware_feature->enabled; + break; + case PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT: + ctrl_info->tmf_iu_timeout_supported = firmware_feature->enabled; + break; + case PQI_FIRMWARE_FEATURE_FW_TRIAGE: + ctrl_info->firmware_triage_supported = firmware_feature->enabled; + pqi_save_fw_triage_setting(ctrl_info, firmware_feature->enabled); + break; + case PQI_FIRMWARE_FEATURE_RPL_EXTENDED_FORMAT_4_5: + ctrl_info->rpl_extended_format_4_5_supported = firmware_feature->enabled; + break; + case PQI_FIRMWARE_FEATURE_MULTI_LUN_DEVICE_SUPPORT: + ctrl_info->multi_lun_device_supported = firmware_feature->enabled; + break; + case PQI_FIRMWARE_FEATURE_CTRL_LOGGING: + ctrl_info->ctrl_logging_supported = firmware_feature->enabled; + break; + } + + pqi_firmware_feature_status(ctrl_info, firmware_feature); +} + static inline void pqi_firmware_feature_update(struct pqi_ctrl_info *ctrl_info, struct pqi_firmware_feature *firmware_feature) { @@ -6715,10 +8002,90 @@ static struct pqi_firmware_feature pqi_firmware_features[] = { .feature_status = pqi_firmware_feature_status, }, { + .feature_name = "Maximum Known Feature", + .feature_bit = PQI_FIRMWARE_FEATURE_MAX_KNOWN_FEATURE, + .feature_status = pqi_firmware_feature_status, + }, + { + .feature_name = "RAID 0 Read Bypass", + .feature_bit = PQI_FIRMWARE_FEATURE_RAID_0_READ_BYPASS, + .feature_status = pqi_firmware_feature_status, + }, + { + .feature_name = "RAID 1 Read Bypass", + .feature_bit = PQI_FIRMWARE_FEATURE_RAID_1_READ_BYPASS, + .feature_status = pqi_firmware_feature_status, + }, + { + .feature_name = "RAID 5 Read Bypass", + .feature_bit = PQI_FIRMWARE_FEATURE_RAID_5_READ_BYPASS, + .feature_status = pqi_firmware_feature_status, + }, + { + .feature_name = "RAID 6 Read Bypass", + .feature_bit = PQI_FIRMWARE_FEATURE_RAID_6_READ_BYPASS, + .feature_status = pqi_firmware_feature_status, + }, + { + .feature_name = "RAID 0 Write Bypass", + .feature_bit = PQI_FIRMWARE_FEATURE_RAID_0_WRITE_BYPASS, + .feature_status = pqi_firmware_feature_status, + }, + { + .feature_name = "RAID 1 Write Bypass", + .feature_bit = PQI_FIRMWARE_FEATURE_RAID_1_WRITE_BYPASS, + .feature_status = pqi_ctrl_update_feature_flags, + }, + { + .feature_name = "RAID 5 Write Bypass", + .feature_bit = PQI_FIRMWARE_FEATURE_RAID_5_WRITE_BYPASS, + .feature_status = pqi_ctrl_update_feature_flags, + }, + { + .feature_name = "RAID 6 Write Bypass", + .feature_bit = PQI_FIRMWARE_FEATURE_RAID_6_WRITE_BYPASS, + .feature_status = pqi_ctrl_update_feature_flags, + }, + { .feature_name = "New Soft Reset Handshake", .feature_bit = PQI_FIRMWARE_FEATURE_SOFT_RESET_HANDSHAKE, + .feature_status = pqi_ctrl_update_feature_flags, + }, + { + .feature_name = "RAID IU Timeout", + .feature_bit = PQI_FIRMWARE_FEATURE_RAID_IU_TIMEOUT, + .feature_status = pqi_ctrl_update_feature_flags, + }, + { + .feature_name = "TMF IU Timeout", + .feature_bit = PQI_FIRMWARE_FEATURE_TMF_IU_TIMEOUT, + .feature_status = pqi_ctrl_update_feature_flags, + }, + { + .feature_name = "RAID Bypass on encrypted logical volumes on NVMe", + .feature_bit = PQI_FIRMWARE_FEATURE_RAID_BYPASS_ON_ENCRYPTED_NVME, .feature_status = pqi_firmware_feature_status, }, + { + .feature_name = "Firmware Triage", + .feature_bit = PQI_FIRMWARE_FEATURE_FW_TRIAGE, + .feature_status = pqi_ctrl_update_feature_flags, + }, + { + .feature_name = "RPL Extended Formats 4 and 5", + .feature_bit = PQI_FIRMWARE_FEATURE_RPL_EXTENDED_FORMAT_4_5, + .feature_status = pqi_ctrl_update_feature_flags, + }, + { + .feature_name = "Multi-LUN Target", + .feature_bit = PQI_FIRMWARE_FEATURE_MULTI_LUN_DEVICE_SUPPORT, + .feature_status = pqi_ctrl_update_feature_flags, + }, + { + .feature_name = "Controller Data Logging", + .feature_bit = PQI_FIRMWARE_FEATURE_CTRL_LOGGING, + .feature_status = pqi_ctrl_update_feature_flags, + }, }; static void pqi_process_firmware_features( @@ -6771,18 +8138,13 @@ static void pqi_process_firmware_features( return; } - ctrl_info->soft_reset_handshake_supported = false; for (i = 0; i < ARRAY_SIZE(pqi_firmware_features); i++) { if (!pqi_firmware_features[i].supported) continue; if (pqi_is_firmware_feature_enabled(firmware_features, firmware_features_iomem_addr, pqi_firmware_features[i].feature_bit)) { - pqi_firmware_features[i].enabled = true; - if (pqi_firmware_features[i].feature_bit == - PQI_FIRMWARE_FEATURE_SOFT_RESET_HANDSHAKE) - ctrl_info->soft_reset_handshake_supported = - true; + pqi_firmware_features[i].enabled = true; } pqi_firmware_feature_update(ctrl_info, &pqi_firmware_features[i]); @@ -6808,14 +8170,37 @@ static void pqi_process_firmware_features_section( mutex_unlock(&pqi_firmware_features_mutex); } +/* + * Reset all controller settings that can be initialized during the processing + * of the PQI Configuration Table. + */ + +static void pqi_ctrl_reset_config(struct pqi_ctrl_info *ctrl_info) +{ + ctrl_info->heartbeat_counter = NULL; + ctrl_info->soft_reset_status = NULL; + ctrl_info->soft_reset_handshake_supported = false; + ctrl_info->enable_r1_writes = false; + ctrl_info->enable_r5_writes = false; + ctrl_info->enable_r6_writes = false; + ctrl_info->raid_iu_timeout_supported = false; + ctrl_info->tmf_iu_timeout_supported = false; + ctrl_info->firmware_triage_supported = false; + ctrl_info->rpl_extended_format_4_5_supported = false; + ctrl_info->multi_lun_device_supported = false; + ctrl_info->ctrl_logging_supported = false; +} + static int pqi_process_config_table(struct pqi_ctrl_info *ctrl_info) { u32 table_length; u32 section_offset; + bool firmware_feature_section_present; void __iomem *table_iomem_addr; struct pqi_config_table *config_table; struct pqi_config_table_section_header *section; struct pqi_config_table_section_info section_info; + struct pqi_config_table_section_info feature_section_info = {0}; table_length = ctrl_info->config_table_length; if (table_length == 0) @@ -6832,25 +8217,24 @@ static int pqi_process_config_table(struct pqi_ctrl_info *ctrl_info) * Copy the config table contents from I/O memory space into the * temporary buffer. */ - table_iomem_addr = ctrl_info->iomem_base + - ctrl_info->config_table_offset; + table_iomem_addr = ctrl_info->iomem_base + ctrl_info->config_table_offset; memcpy_fromio(config_table, table_iomem_addr, table_length); + firmware_feature_section_present = false; section_info.ctrl_info = ctrl_info; - section_offset = - get_unaligned_le32(&config_table->first_section_offset); + section_offset = get_unaligned_le32(&config_table->first_section_offset); while (section_offset) { section = (void *)config_table + section_offset; section_info.section = section; section_info.section_offset = section_offset; - section_info.section_iomem_addr = - table_iomem_addr + section_offset; + section_info.section_iomem_addr = table_iomem_addr + section_offset; switch (get_unaligned_le16(§ion->section_id)) { case PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES: - pqi_process_firmware_features_section(§ion_info); + firmware_feature_section_present = true; + feature_section_info = section_info; break; case PQI_CONFIG_TABLE_SECTION_HEARTBEAT: if (pqi_disable_heartbeat) @@ -6860,8 +8244,7 @@ static int pqi_process_config_table(struct pqi_ctrl_info *ctrl_info) ctrl_info->heartbeat_counter = table_iomem_addr + section_offset + - offsetof( - struct pqi_config_table_heartbeat, + offsetof(struct pqi_config_table_heartbeat, heartbeat_counter); break; case PQI_CONFIG_TABLE_SECTION_SOFT_RESET: @@ -6869,14 +8252,21 @@ static int pqi_process_config_table(struct pqi_ctrl_info *ctrl_info) table_iomem_addr + section_offset + offsetof(struct pqi_config_table_soft_reset, - soft_reset_status); + soft_reset_status); break; } - section_offset = - get_unaligned_le16(§ion->next_section_offset); + section_offset = get_unaligned_le16(§ion->next_section_offset); } + /* + * We process the firmware feature section after all other sections + * have been processed so that the feature bit callbacks can take + * into account the settings configured by other sections. + */ + if (firmware_feature_section_present) + pqi_process_firmware_features_section(&feature_section_info); + kfree(config_table); return 0; @@ -6924,21 +8314,63 @@ static int pqi_force_sis_mode(struct pqi_ctrl_info *ctrl_info) return pqi_revert_to_sis_mode(ctrl_info); } +static void pqi_perform_lockup_action(void) +{ + switch (pqi_lockup_action) { + case PANIC: + panic("FATAL: Smart Family Controller lockup detected"); + break; + case REBOOT: + emergency_restart(); + break; + case NONE: + default: + break; + } +} + +#define PQI_CTRL_LOG_TOTAL_SIZE (4 * 1024 * 1024) +#define PQI_CTRL_LOG_MIN_SIZE (PQI_CTRL_LOG_TOTAL_SIZE / PQI_HOST_MAX_SG_DESCRIPTORS) + static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) { int rc; + u32 product_id; - rc = pqi_force_sis_mode(ctrl_info); - if (rc) - return rc; + if (reset_devices) { + if (is_kdump_kernel() && pqi_is_fw_triage_supported(ctrl_info)) { + rc = sis_wait_for_fw_triage_completion(ctrl_info); + if (rc) + return rc; + } + if (is_kdump_kernel() && sis_is_ctrl_logging_supported(ctrl_info)) { + sis_notify_kdump(ctrl_info); + rc = sis_wait_for_ctrl_logging_completion(ctrl_info); + if (rc) + return rc; + } + sis_soft_reset(ctrl_info); + ssleep(PQI_POST_RESET_DELAY_SECS); + } else { + rc = pqi_force_sis_mode(ctrl_info); + if (rc) + return rc; + } /* * Wait until the controller is ready to start accepting SIS * commands. */ rc = sis_wait_for_ctrl_ready(ctrl_info); - if (rc) + if (rc) { + if (reset_devices) { + dev_err(&ctrl_info->pci_dev->dev, + "kdump init failed with error %d\n", rc); + pqi_lockup_action = REBOOT; + pqi_perform_lockup_action(); + } return rc; + } /* * Get the controller properties. This allows us to determine @@ -6958,15 +8390,19 @@ static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) return rc; } - if (reset_devices) { + product_id = sis_get_product_id(ctrl_info); + ctrl_info->product_id = (u8)product_id; + ctrl_info->product_revision = (u8)(product_id >> 8); + + if (is_kdump_kernel()) { if (ctrl_info->max_outstanding_requests > PQI_MAX_OUTSTANDING_REQUESTS_KDUMP) - ctrl_info->max_outstanding_requests = + ctrl_info->max_outstanding_requests = PQI_MAX_OUTSTANDING_REQUESTS_KDUMP; } else { if (ctrl_info->max_outstanding_requests > PQI_MAX_OUTSTANDING_REQUESTS) - ctrl_info->max_outstanding_requests = + ctrl_info->max_outstanding_requests = PQI_MAX_OUTSTANDING_REQUESTS; } @@ -7053,11 +8489,11 @@ static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) pqi_init_operational_queues(ctrl_info); - rc = pqi_request_irqs(ctrl_info); + rc = pqi_create_queues(ctrl_info); if (rc) return rc; - rc = pqi_create_queues(ctrl_info); + rc = pqi_request_irqs(ctrl_info); if (rc) return rc; @@ -7071,6 +8507,17 @@ static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) pqi_start_heartbeat_timer(ctrl_info); + if (ctrl_info->enable_r5_writes || ctrl_info->enable_r6_writes) { + rc = pqi_get_advanced_raid_bypass_config(ctrl_info); + if (rc) { /* Supported features not returned correctly. */ + dev_err(&ctrl_info->pci_dev->dev, + "error obtaining advanced RAID bypass configuration\n"); + return rc; + } + ctrl_info->ciss_report_log_flags |= + CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX; + } + rc = pqi_enable_events(ctrl_info); if (rc) { dev_err(&ctrl_info->pci_dev->dev, @@ -7083,10 +8530,22 @@ static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info) if (rc) return rc; - rc = pqi_get_ctrl_firmware_version(ctrl_info); + if (ctrl_info->ctrl_logging_supported && !is_kdump_kernel()) { + pqi_host_setup_buffer(ctrl_info, &ctrl_info->ctrl_log_memory, PQI_CTRL_LOG_TOTAL_SIZE, PQI_CTRL_LOG_MIN_SIZE); + pqi_host_memory_update(ctrl_info, &ctrl_info->ctrl_log_memory, PQI_VENDOR_GENERAL_CTRL_LOG_MEMORY_UPDATE); + } + + rc = pqi_get_ctrl_product_details(ctrl_info); + if (rc) { + dev_err(&ctrl_info->pci_dev->dev, + "error obtaining product details\n"); + return rc; + } + + rc = pqi_get_ctrl_serial_number(ctrl_info); if (rc) { dev_err(&ctrl_info->pci_dev->dev, - "error obtaining firmware version\n"); + "error obtaining ctrl serial number\n"); return rc; } @@ -7213,12 +8672,25 @@ static int pqi_ctrl_init_resume(struct pqi_ctrl_info *ctrl_info) ctrl_info->controller_online = true; pqi_ctrl_unblock_requests(ctrl_info); + pqi_ctrl_reset_config(ctrl_info); + rc = pqi_process_config_table(ctrl_info); if (rc) return rc; pqi_start_heartbeat_timer(ctrl_info); + if (ctrl_info->enable_r5_writes || ctrl_info->enable_r6_writes) { + rc = pqi_get_advanced_raid_bypass_config(ctrl_info); + if (rc) { + dev_err(&ctrl_info->pci_dev->dev, + "error obtaining advanced RAID bypass configuration\n"); + return rc; + } + ctrl_info->ciss_report_log_flags |= + CISS_REPORT_LOG_FLAG_DRIVE_TYPE_MIX; + } + rc = pqi_enable_events(ctrl_info); if (rc) { dev_err(&ctrl_info->pci_dev->dev, @@ -7226,10 +8698,10 @@ static int pqi_ctrl_init_resume(struct pqi_ctrl_info *ctrl_info) return rc; } - rc = pqi_get_ctrl_firmware_version(ctrl_info); + rc = pqi_get_ctrl_product_details(ctrl_info); if (rc) { dev_err(&ctrl_info->pci_dev->dev, - "error obtaining firmware version\n"); + "error obtaining product details\n"); return rc; } @@ -7247,18 +8719,36 @@ static int pqi_ctrl_init_resume(struct pqi_ctrl_info *ctrl_info) return rc; } - pqi_schedule_update_time_worker(ctrl_info); + if (pqi_ofa_in_progress(ctrl_info)) { + pqi_ctrl_unblock_scan(ctrl_info); + if (ctrl_info->ctrl_logging_supported) { + if (!ctrl_info->ctrl_log_memory.host_memory) + pqi_host_setup_buffer(ctrl_info, + &ctrl_info->ctrl_log_memory, + PQI_CTRL_LOG_TOTAL_SIZE, + PQI_CTRL_LOG_MIN_SIZE); + pqi_host_memory_update(ctrl_info, + &ctrl_info->ctrl_log_memory, PQI_VENDOR_GENERAL_CTRL_LOG_MEMORY_UPDATE); + } else { + if (ctrl_info->ctrl_log_memory.host_memory) + pqi_host_free_buffer(ctrl_info, + &ctrl_info->ctrl_log_memory); + } + } pqi_scan_scsi_devices(ctrl_info); return 0; } -static inline int pqi_set_pcie_completion_timeout(struct pci_dev *pci_dev, - u16 timeout) +static inline int pqi_set_pcie_completion_timeout(struct pci_dev *pci_dev, u16 timeout) { - return pcie_capability_clear_and_set_word(pci_dev, PCI_EXP_DEVCTL2, + int rc; + + rc = pcie_capability_clear_and_set_word(pci_dev, PCI_EXP_DEVCTL2, PCI_EXP_DEVCTL2_COMP_TIMEOUT, timeout); + + return pcibios_err_to_errno(rc); } static int pqi_pci_init(struct pqi_ctrl_info *ctrl_info) @@ -7278,7 +8768,7 @@ static int pqi_pci_init(struct pqi_ctrl_info *ctrl_info) else mask = DMA_BIT_MASK(32); - rc = dma_set_mask(&ctrl_info->pci_dev->dev, mask); + rc = dma_set_mask_and_coherent(&ctrl_info->pci_dev->dev, mask); if (rc) { dev_err(&ctrl_info->pci_dev->dev, "failed to set DMA mask\n"); goto disable_device; @@ -7291,9 +8781,9 @@ static int pqi_pci_init(struct pqi_ctrl_info *ctrl_info) goto disable_device; } - ctrl_info->iomem_base = ioremap_nocache(pci_resource_start( + ctrl_info->iomem_base = ioremap(pci_resource_start( ctrl_info->pci_dev, 0), - sizeof(struct pqi_ctrl_registers)); + pci_resource_len(ctrl_info->pci_dev, 0)); if (!ctrl_info->iomem_base) { dev_err(&ctrl_info->pci_dev->dev, "failed to map memory for controller registers\n"); @@ -7364,19 +8854,27 @@ static struct pqi_ctrl_info *pqi_alloc_ctrl_info(int numa_node) timer_setup(&ctrl_info->heartbeat_timer, pqi_heartbeat_timer_handler, 0); INIT_WORK(&ctrl_info->ctrl_offline_work, pqi_ctrl_offline_worker); + INIT_WORK(&ctrl_info->ofa_memory_alloc_work, pqi_ofa_memory_alloc_worker); + INIT_WORK(&ctrl_info->ofa_quiesce_work, pqi_ofa_quiesce_worker); + sema_init(&ctrl_info->sync_request_sem, PQI_RESERVED_IO_SLOTS_SYNCHRONOUS_REQUESTS); init_waitqueue_head(&ctrl_info->block_requests_wait); - INIT_LIST_HEAD(&ctrl_info->raid_bypass_retry_list); - spin_lock_init(&ctrl_info->raid_bypass_retry_list_lock); - INIT_WORK(&ctrl_info->raid_bypass_retry_work, - pqi_raid_bypass_retry_worker); - ctrl_info->ctrl_id = atomic_inc_return(&pqi_controller_count) - 1; ctrl_info->irq_mode = IRQ_MODE_NONE; ctrl_info->max_msix_vectors = PQI_MAX_MSIX_VECTORS; + ctrl_info->ciss_report_log_flags = CISS_REPORT_LOG_FLAG_UNIQUE_LUN_ID; + ctrl_info->max_transfer_encrypted_sas_sata = + PQI_DEFAULT_MAX_TRANSFER_ENCRYPTED_SAS_SATA; + ctrl_info->max_transfer_encrypted_nvme = + PQI_DEFAULT_MAX_TRANSFER_ENCRYPTED_NVME; + ctrl_info->max_write_raid_5_6 = PQI_DEFAULT_MAX_WRITE_RAID_5_6; + ctrl_info->max_write_raid_1_10_2drive = ~0; + ctrl_info->max_write_raid_1_10_3drive = ~0; + ctrl_info->disable_managed_interrupts = pqi_disable_managed_interrupts; + return ctrl_info; } @@ -7393,7 +8891,6 @@ static void pqi_free_interrupts(struct pqi_ctrl_info *ctrl_info) static void pqi_free_ctrl_resources(struct pqi_ctrl_info *ctrl_info) { - pqi_stop_heartbeat_timer(ctrl_info); pqi_free_interrupts(ctrl_info); if (ctrl_info->queue_memory_base) dma_free_coherent(&ctrl_info->pci_dev->dev, @@ -7418,9 +8915,16 @@ static void pqi_free_ctrl_resources(struct pqi_ctrl_info *ctrl_info) static void pqi_remove_ctrl(struct pqi_ctrl_info *ctrl_info) { + ctrl_info->controller_online = false; + pqi_stop_heartbeat_timer(ctrl_info); + pqi_ctrl_block_requests(ctrl_info); pqi_cancel_rescan_worker(ctrl_info); pqi_cancel_update_time_worker(ctrl_info); - pqi_remove_all_scsi_devices(ctrl_info); + if (ctrl_info->ctrl_removal_state == PQI_CTRL_SURPRISE_REMOVAL) { + pqi_fail_all_outstanding_requests(ctrl_info); + ctrl_info->pqi_mode_enabled = false; + } + pqi_host_free_buffer(ctrl_info, &ctrl_info->ctrl_log_memory); pqi_unregister_scsi(ctrl_info); if (ctrl_info->pqi_mode_enabled) pqi_revert_to_sis_mode(ctrl_info); @@ -7429,228 +8933,203 @@ static void pqi_remove_ctrl(struct pqi_ctrl_info *ctrl_info) static void pqi_ofa_ctrl_quiesce(struct pqi_ctrl_info *ctrl_info) { - pqi_cancel_update_time_worker(ctrl_info); - pqi_cancel_rescan_worker(ctrl_info); - pqi_wait_until_lun_reset_finished(ctrl_info); - pqi_wait_until_scan_finished(ctrl_info); - pqi_ctrl_ofa_start(ctrl_info); + pqi_ctrl_block_scan(ctrl_info); + pqi_scsi_block_requests(ctrl_info); + pqi_ctrl_block_device_reset(ctrl_info); pqi_ctrl_block_requests(ctrl_info); pqi_ctrl_wait_until_quiesced(ctrl_info); - pqi_ctrl_wait_for_pending_io(ctrl_info, PQI_PENDING_IO_TIMEOUT_SECS); - pqi_fail_io_queued_for_all_devices(ctrl_info); - pqi_wait_until_inbound_queues_empty(ctrl_info); pqi_stop_heartbeat_timer(ctrl_info); - ctrl_info->pqi_mode_enabled = false; - pqi_save_ctrl_mode(ctrl_info, SIS_MODE); } static void pqi_ofa_ctrl_unquiesce(struct pqi_ctrl_info *ctrl_info) { - pqi_ofa_free_host_buffer(ctrl_info); - ctrl_info->pqi_mode_enabled = true; - pqi_save_ctrl_mode(ctrl_info, PQI_MODE); - ctrl_info->controller_online = true; - pqi_ctrl_unblock_requests(ctrl_info); pqi_start_heartbeat_timer(ctrl_info); - pqi_schedule_update_time_worker(ctrl_info); - pqi_clear_soft_reset_status(ctrl_info, - PQI_SOFT_RESET_ABORT); - pqi_scan_scsi_devices(ctrl_info); + pqi_ctrl_unblock_requests(ctrl_info); + pqi_ctrl_unblock_device_reset(ctrl_info); + pqi_scsi_unblock_requests(ctrl_info); + pqi_ctrl_unblock_scan(ctrl_info); +} + +static int pqi_ofa_ctrl_restart(struct pqi_ctrl_info *ctrl_info, unsigned int delay_secs) +{ + ssleep(delay_secs); + + return pqi_ctrl_init_resume(ctrl_info); } -static int pqi_ofa_alloc_mem(struct pqi_ctrl_info *ctrl_info, +static int pqi_host_alloc_mem(struct pqi_ctrl_info *ctrl_info, + struct pqi_host_memory_descriptor *host_memory_descriptor, u32 total_size, u32 chunk_size) { - u32 sg_count; - u32 size; int i; - struct pqi_sg_descriptor *mem_descriptor = NULL; + u32 sg_count; struct device *dev; - struct pqi_ofa_memory *ofap; - - dev = &ctrl_info->pci_dev->dev; - - sg_count = (total_size + chunk_size - 1); - sg_count /= chunk_size; - - ofap = ctrl_info->pqi_ofa_mem_virt_addr; + struct pqi_host_memory *host_memory; + struct pqi_sg_descriptor *mem_descriptor; + dma_addr_t dma_handle; - if (sg_count*chunk_size < total_size) + sg_count = DIV_ROUND_UP(total_size, chunk_size); + if (sg_count == 0 || sg_count > PQI_HOST_MAX_SG_DESCRIPTORS) goto out; - ctrl_info->pqi_ofa_chunk_virt_addr = - kcalloc(sg_count, sizeof(void *), GFP_KERNEL); - if (!ctrl_info->pqi_ofa_chunk_virt_addr) + host_memory_descriptor->host_chunk_virt_address = + kmalloc_array(sg_count, sizeof(void *), GFP_KERNEL); + if (!host_memory_descriptor->host_chunk_virt_address) goto out; - for (size = 0, i = 0; size < total_size; size += chunk_size, i++) { - dma_addr_t dma_handle; - - ctrl_info->pqi_ofa_chunk_virt_addr[i] = - dma_alloc_coherent(dev, chunk_size, &dma_handle, - GFP_KERNEL); - - if (!ctrl_info->pqi_ofa_chunk_virt_addr[i]) - break; + dev = &ctrl_info->pci_dev->dev; + host_memory = host_memory_descriptor->host_memory; - mem_descriptor = &ofap->sg_descriptor[i]; - put_unaligned_le64 ((u64) dma_handle, &mem_descriptor->address); - put_unaligned_le32 (chunk_size, &mem_descriptor->length); + for (i = 0; i < sg_count; i++) { + host_memory_descriptor->host_chunk_virt_address[i] = dma_alloc_coherent(dev, chunk_size, &dma_handle, GFP_KERNEL); + if (!host_memory_descriptor->host_chunk_virt_address[i]) + goto out_free_chunks; + mem_descriptor = &host_memory->sg_descriptor[i]; + put_unaligned_le64((u64)dma_handle, &mem_descriptor->address); + put_unaligned_le32(chunk_size, &mem_descriptor->length); } - if (!size || size < total_size) - goto out_free_chunks; - put_unaligned_le32(CISS_SG_LAST, &mem_descriptor->flags); - put_unaligned_le16(sg_count, &ofap->num_memory_descriptors); - put_unaligned_le32(size, &ofap->bytes_allocated); + put_unaligned_le16(sg_count, &host_memory->num_memory_descriptors); + put_unaligned_le32(sg_count * chunk_size, &host_memory->bytes_allocated); return 0; out_free_chunks: while (--i >= 0) { - mem_descriptor = &ofap->sg_descriptor[i]; + mem_descriptor = &host_memory->sg_descriptor[i]; dma_free_coherent(dev, chunk_size, - ctrl_info->pqi_ofa_chunk_virt_addr[i], - get_unaligned_le64(&mem_descriptor->address)); + host_memory_descriptor->host_chunk_virt_address[i], + get_unaligned_le64(&mem_descriptor->address)); } - kfree(ctrl_info->pqi_ofa_chunk_virt_addr); - + kfree(host_memory_descriptor->host_chunk_virt_address); out: - put_unaligned_le32 (0, &ofap->bytes_allocated); return -ENOMEM; } -static int pqi_ofa_alloc_host_buffer(struct pqi_ctrl_info *ctrl_info) +static int pqi_host_alloc_buffer(struct pqi_ctrl_info *ctrl_info, + struct pqi_host_memory_descriptor *host_memory_descriptor, + u32 total_required_size, u32 min_required_size) { - u32 total_size; + u32 chunk_size; u32 min_chunk_size; - u32 chunk_sz; - total_size = le32_to_cpu( - ctrl_info->pqi_ofa_mem_virt_addr->bytes_allocated); - min_chunk_size = total_size / PQI_OFA_MAX_SG_DESCRIPTORS; + if (total_required_size == 0 || min_required_size == 0) + return 0; - for (chunk_sz = total_size; chunk_sz >= min_chunk_size; chunk_sz /= 2) - if (!pqi_ofa_alloc_mem(ctrl_info, total_size, chunk_sz)) - return 0; + total_required_size = PAGE_ALIGN(total_required_size); + min_required_size = PAGE_ALIGN(min_required_size); + min_chunk_size = DIV_ROUND_UP(total_required_size, PQI_HOST_MAX_SG_DESCRIPTORS); + min_chunk_size = PAGE_ALIGN(min_chunk_size); + + while (total_required_size >= min_required_size) { + for (chunk_size = total_required_size; chunk_size >= min_chunk_size;) { + if (pqi_host_alloc_mem(ctrl_info, + host_memory_descriptor, total_required_size, + chunk_size) == 0) + return 0; + chunk_size /= 2; + chunk_size = PAGE_ALIGN(chunk_size); + } + total_required_size /= 2; + total_required_size = PAGE_ALIGN(total_required_size); + } return -ENOMEM; } -static void pqi_ofa_setup_host_buffer(struct pqi_ctrl_info *ctrl_info, - u32 bytes_requested) +static void pqi_host_setup_buffer(struct pqi_ctrl_info *ctrl_info, + struct pqi_host_memory_descriptor *host_memory_descriptor, + u32 total_size, u32 min_size) { - struct pqi_ofa_memory *pqi_ofa_memory; struct device *dev; + struct pqi_host_memory *host_memory; dev = &ctrl_info->pci_dev->dev; - pqi_ofa_memory = dma_alloc_coherent(dev, - PQI_OFA_MEMORY_DESCRIPTOR_LENGTH, - &ctrl_info->pqi_ofa_mem_dma_handle, - GFP_KERNEL); - if (!pqi_ofa_memory) + host_memory = dma_alloc_coherent(dev, sizeof(*host_memory), + &host_memory_descriptor->host_memory_dma_handle, GFP_KERNEL); + if (!host_memory) return; - put_unaligned_le16(PQI_OFA_VERSION, &pqi_ofa_memory->version); - memcpy(&pqi_ofa_memory->signature, PQI_OFA_SIGNATURE, - sizeof(pqi_ofa_memory->signature)); - pqi_ofa_memory->bytes_allocated = cpu_to_le32(bytes_requested); - - ctrl_info->pqi_ofa_mem_virt_addr = pqi_ofa_memory; + host_memory_descriptor->host_memory = host_memory; - if (pqi_ofa_alloc_host_buffer(ctrl_info) < 0) { - dev_err(dev, "Failed to allocate host buffer of size = %u", - bytes_requested); + if (pqi_host_alloc_buffer(ctrl_info, host_memory_descriptor, + total_size, min_size) < 0) { + dev_err(dev, "failed to allocate firmware usable host buffer\n"); + dma_free_coherent(dev, sizeof(*host_memory), host_memory, + host_memory_descriptor->host_memory_dma_handle); + host_memory_descriptor->host_memory = NULL; + return; } } -static void pqi_ofa_free_host_buffer(struct pqi_ctrl_info *ctrl_info) +static void pqi_host_free_buffer(struct pqi_ctrl_info *ctrl_info, + struct pqi_host_memory_descriptor *host_memory_descriptor) { - int i; + unsigned int i; + struct device *dev; + struct pqi_host_memory *host_memory; struct pqi_sg_descriptor *mem_descriptor; - struct pqi_ofa_memory *ofap; - - ofap = ctrl_info->pqi_ofa_mem_virt_addr; + unsigned int num_memory_descriptors; - if (!ofap) + host_memory = host_memory_descriptor->host_memory; + if (!host_memory) return; - if (!ofap->bytes_allocated) + dev = &ctrl_info->pci_dev->dev; + + if (get_unaligned_le32(&host_memory->bytes_allocated) == 0) goto out; - mem_descriptor = ofap->sg_descriptor; + mem_descriptor = host_memory->sg_descriptor; + num_memory_descriptors = get_unaligned_le16(&host_memory->num_memory_descriptors); - for (i = 0; i < get_unaligned_le16(&ofap->num_memory_descriptors); - i++) { - dma_free_coherent(&ctrl_info->pci_dev->dev, + for (i = 0; i < num_memory_descriptors; i++) { + dma_free_coherent(dev, get_unaligned_le32(&mem_descriptor[i].length), - ctrl_info->pqi_ofa_chunk_virt_addr[i], + host_memory_descriptor->host_chunk_virt_address[i], get_unaligned_le64(&mem_descriptor[i].address)); } - kfree(ctrl_info->pqi_ofa_chunk_virt_addr); + kfree(host_memory_descriptor->host_chunk_virt_address); out: - dma_free_coherent(&ctrl_info->pci_dev->dev, - PQI_OFA_MEMORY_DESCRIPTOR_LENGTH, ofap, - ctrl_info->pqi_ofa_mem_dma_handle); - ctrl_info->pqi_ofa_mem_virt_addr = NULL; + dma_free_coherent(dev, sizeof(*host_memory), host_memory, + host_memory_descriptor->host_memory_dma_handle); + host_memory_descriptor->host_memory = NULL; } -static int pqi_ofa_host_memory_update(struct pqi_ctrl_info *ctrl_info) +static int pqi_host_memory_update(struct pqi_ctrl_info *ctrl_info, + struct pqi_host_memory_descriptor *host_memory_descriptor, + u16 function_code) { + u32 buffer_length; struct pqi_vendor_general_request request; - size_t size; - struct pqi_ofa_memory *ofap; + struct pqi_host_memory *host_memory; memset(&request, 0, sizeof(request)); - ofap = ctrl_info->pqi_ofa_mem_virt_addr; - request.header.iu_type = PQI_REQUEST_IU_VENDOR_GENERAL; - put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, - &request.header.iu_length); - put_unaligned_le16(PQI_VENDOR_GENERAL_HOST_MEMORY_UPDATE, - &request.function_code); - - if (ofap) { - size = offsetof(struct pqi_ofa_memory, sg_descriptor) + - get_unaligned_le16(&ofap->num_memory_descriptors) * - sizeof(struct pqi_sg_descriptor); - - put_unaligned_le64((u64)ctrl_info->pqi_ofa_mem_dma_handle, - &request.data.ofa_memory_allocation.buffer_address); - put_unaligned_le32(size, - &request.data.ofa_memory_allocation.buffer_length); - + put_unaligned_le16(sizeof(request) - PQI_REQUEST_HEADER_LENGTH, &request.header.iu_length); + put_unaligned_le16(function_code, &request.function_code); + + host_memory = host_memory_descriptor->host_memory; + + if (host_memory) { + buffer_length = offsetof(struct pqi_host_memory, sg_descriptor) + get_unaligned_le16(&host_memory->num_memory_descriptors) * sizeof(struct pqi_sg_descriptor); + put_unaligned_le64((u64)host_memory_descriptor->host_memory_dma_handle, &request.data.host_memory_allocation.buffer_address); + put_unaligned_le32(buffer_length, &request.data.host_memory_allocation.buffer_length); + + if (function_code == PQI_VENDOR_GENERAL_OFA_MEMORY_UPDATE) { + put_unaligned_le16(PQI_OFA_VERSION, &host_memory->version); + memcpy(&host_memory->signature, PQI_OFA_SIGNATURE, sizeof(host_memory->signature)); + } else if (function_code == PQI_VENDOR_GENERAL_CTRL_LOG_MEMORY_UPDATE) { + put_unaligned_le16(PQI_CTRL_LOG_VERSION, &host_memory->version); + memcpy(&host_memory->signature, PQI_CTRL_LOG_SIGNATURE, sizeof(host_memory->signature)); + } } - return pqi_submit_raid_request_synchronous(ctrl_info, &request.header, - 0, NULL, NO_TIMEOUT); -} - -#define PQI_POST_RESET_DELAY_B4_MSGU_READY 5000 - -static int pqi_ofa_ctrl_restart(struct pqi_ctrl_info *ctrl_info) -{ - msleep(PQI_POST_RESET_DELAY_B4_MSGU_READY); - return pqi_ctrl_init_resume(ctrl_info); -} - -static void pqi_perform_lockup_action(void) -{ - switch (pqi_lockup_action) { - case PANIC: - panic("FATAL: Smart Family Controller lockup detected"); - break; - case REBOOT: - emergency_restart(); - break; - case NONE: - default: - break; - } + return pqi_submit_raid_request_synchronous(ctrl_info, &request.header, 0, NULL); } static struct pqi_raid_error_info pqi_ctrl_offline_raid_error_info = { @@ -7663,6 +9142,7 @@ static void pqi_fail_all_outstanding_requests(struct pqi_ctrl_info *ctrl_info) unsigned int i; struct pqi_io_request *io_request; struct scsi_cmnd *scmd; + struct scsi_device *sdev; for (i = 0; i < ctrl_info->max_io_slots; i++) { io_request = &ctrl_info->io_request_pool[i]; @@ -7671,7 +9151,13 @@ static void pqi_fail_all_outstanding_requests(struct pqi_ctrl_info *ctrl_info) scmd = io_request->scmd; if (scmd) { - set_host_byte(scmd, DID_NO_CONNECT); + sdev = scmd->device; + if (!sdev || !scsi_device_online(sdev)) { + pqi_free_io_request(io_request); + continue; + } else { + set_host_byte(scmd, DID_NO_CONNECT); + } } else { io_request->status = -ENXIO; io_request->error_info = @@ -7692,8 +9178,8 @@ static void pqi_take_ctrl_offline_deferred(struct pqi_ctrl_info *ctrl_info) pqi_cancel_update_time_worker(ctrl_info); pqi_ctrl_wait_until_quiesced(ctrl_info); pqi_fail_all_outstanding_requests(ctrl_info); - pqi_clear_all_queued_raid_bypass_retries(ctrl_info); pqi_ctrl_unblock_requests(ctrl_info); + pqi_take_ctrl_devices_offline(ctrl_info); } static void pqi_ctrl_offline_worker(struct work_struct *work) @@ -7704,7 +9190,54 @@ static void pqi_ctrl_offline_worker(struct work_struct *work) pqi_take_ctrl_offline_deferred(ctrl_info); } -static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info) +static char *pqi_ctrl_shutdown_reason_to_string(enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason) +{ + char *string; + + switch (ctrl_shutdown_reason) { + case PQI_IQ_NOT_DRAINED_TIMEOUT: + string = "inbound queue not drained timeout"; + break; + case PQI_LUN_RESET_TIMEOUT: + string = "LUN reset timeout"; + break; + case PQI_IO_PENDING_POST_LUN_RESET_TIMEOUT: + string = "I/O pending timeout after LUN reset"; + break; + case PQI_NO_HEARTBEAT: + string = "no controller heartbeat detected"; + break; + case PQI_FIRMWARE_KERNEL_NOT_UP: + string = "firmware kernel not ready"; + break; + case PQI_OFA_RESPONSE_TIMEOUT: + string = "OFA response timeout"; + break; + case PQI_INVALID_REQ_ID: + string = "invalid request ID"; + break; + case PQI_UNMATCHED_REQ_ID: + string = "unmatched request ID"; + break; + case PQI_IO_PI_OUT_OF_RANGE: + string = "I/O queue producer index out of range"; + break; + case PQI_EVENT_PI_OUT_OF_RANGE: + string = "event queue producer index out of range"; + break; + case PQI_UNEXPECTED_IU_TYPE: + string = "unexpected IU type"; + break; + default: + string = "unknown reason"; + break; + } + + return string; +} + +static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info, + enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason) { if (!ctrl_info->controller_online) return; @@ -7713,12 +9246,35 @@ static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info) ctrl_info->pqi_mode_enabled = false; pqi_ctrl_block_requests(ctrl_info); if (!pqi_disable_ctrl_shutdown) - sis_shutdown_ctrl(ctrl_info); + sis_shutdown_ctrl(ctrl_info, ctrl_shutdown_reason); pci_disable_device(ctrl_info->pci_dev); - dev_err(&ctrl_info->pci_dev->dev, "controller offline\n"); + dev_err(&ctrl_info->pci_dev->dev, + "controller offline: reason code 0x%x (%s)\n", + ctrl_shutdown_reason, pqi_ctrl_shutdown_reason_to_string(ctrl_shutdown_reason)); schedule_work(&ctrl_info->ctrl_offline_work); } +static void pqi_take_ctrl_devices_offline(struct pqi_ctrl_info *ctrl_info) +{ + int rc; + unsigned long flags; + struct pqi_scsi_dev *device; + + spin_lock_irqsave(&ctrl_info->scsi_device_list_lock, flags); + list_for_each_entry(device, &ctrl_info->scsi_device_list, scsi_device_list_entry) { + rc = list_is_last(&device->scsi_device_list_entry, &ctrl_info->scsi_device_list); + if (rc) + continue; + + /* + * Is the sdev pointer NULL? + */ + if (device->sdev) + scsi_device_set_state(device->sdev, SDEV_OFFLINE); + } + spin_unlock_irqrestore(&ctrl_info->scsi_device_list_lock, flags); +} + static void pqi_print_ctrl_info(struct pci_dev *pci_dev, const struct pci_device_id *id) { @@ -7727,7 +9283,7 @@ static void pqi_print_ctrl_info(struct pci_dev *pci_dev, if (id->driver_data) ctrl_description = (char *)id->driver_data; else - ctrl_description = "Microsemi Smart Family Controller"; + ctrl_description = "Microchip Smart Family Controller"; dev_info(&pci_dev->dev, "%s found\n", ctrl_description); } @@ -7736,7 +9292,7 @@ static int pqi_pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) { int rc; - int node, cp_node; + int node; struct pqi_ctrl_info *ctrl_info; pqi_print_ctrl_info(pci_dev, id); @@ -7755,10 +9311,10 @@ static int pqi_pci_probe(struct pci_dev *pci_dev, node = dev_to_node(&pci_dev->dev); if (node == NUMA_NO_NODE) { - cp_node = cpu_to_node(0); - if (cp_node == NUMA_NO_NODE) - cp_node = 0; - set_dev_node(&pci_dev->dev, cp_node); + node = cpu_to_node(0); + if (node == NUMA_NO_NODE) + node = 0; + set_dev_node(&pci_dev->dev, node); } ctrl_info = pqi_alloc_ctrl_info(node); @@ -7767,6 +9323,7 @@ static int pqi_pci_probe(struct pci_dev *pci_dev, "failed to allocate controller info block\n"); return -ENOMEM; } + ctrl_info->numa_node = node; ctrl_info->pci_dev = pci_dev; @@ -7789,38 +9346,81 @@ error: static void pqi_pci_remove(struct pci_dev *pci_dev) { struct pqi_ctrl_info *ctrl_info; + u16 vendor_id; + int rc; ctrl_info = pci_get_drvdata(pci_dev); if (!ctrl_info) return; - ctrl_info->in_shutdown = true; + pci_read_config_word(ctrl_info->pci_dev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id); + if (vendor_id == 0xffff) + ctrl_info->ctrl_removal_state = PQI_CTRL_SURPRISE_REMOVAL; + else + ctrl_info->ctrl_removal_state = PQI_CTRL_GRACEFUL_REMOVAL; + + if (ctrl_info->ctrl_removal_state == PQI_CTRL_GRACEFUL_REMOVAL) { + rc = pqi_flush_cache(ctrl_info, RESTART); + if (rc) + dev_err(&pci_dev->dev, + "unable to flush controller cache during remove\n"); + } pqi_remove_ctrl(ctrl_info); } +static void pqi_crash_if_pending_command(struct pqi_ctrl_info *ctrl_info) +{ + unsigned int i; + struct pqi_io_request *io_request; + struct scsi_cmnd *scmd; + + for (i = 0; i < ctrl_info->max_io_slots; i++) { + io_request = &ctrl_info->io_request_pool[i]; + if (atomic_read(&io_request->refcount) == 0) + continue; + scmd = io_request->scmd; + WARN_ON(scmd != NULL); /* IO command from SML */ + WARN_ON(scmd == NULL); /* Non-IO cmd or driver initiated*/ + } +} + static void pqi_shutdown(struct pci_dev *pci_dev) { int rc; struct pqi_ctrl_info *ctrl_info; + enum bmic_flush_cache_shutdown_event shutdown_event; ctrl_info = pci_get_drvdata(pci_dev); - if (!ctrl_info) - goto error; + if (!ctrl_info) { + dev_err(&pci_dev->dev, + "cache could not be flushed\n"); + return; + } + + pqi_wait_until_ofa_finished(ctrl_info); + + pqi_scsi_block_requests(ctrl_info); + pqi_ctrl_block_device_reset(ctrl_info); + pqi_ctrl_block_requests(ctrl_info); + pqi_ctrl_wait_until_quiesced(ctrl_info); + + if (system_state == SYSTEM_RESTART) + shutdown_event = RESTART; + else + shutdown_event = SHUTDOWN; /* * Write all data in the controller's battery-backed cache to * storage. */ - rc = pqi_flush_cache(ctrl_info, SHUTDOWN); - pqi_free_interrupts(ctrl_info); - pqi_reset(ctrl_info); - if (rc == 0) - return; + rc = pqi_flush_cache(ctrl_info, shutdown_event); + if (rc) + dev_err(&pci_dev->dev, + "unable to flush controller cache during shutdown\n"); -error: - dev_warn(&pci_dev->dev, - "unable to flush controller cache\n"); + pqi_crash_if_pending_command(ctrl_info); + pqi_reset(ctrl_info); } static void pqi_process_lockup_action_param(void) @@ -7842,35 +9442,69 @@ static void pqi_process_lockup_action_param(void) DRIVER_NAME_SHORT, pqi_lockup_action_param); } +#define PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS 30 +#define PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS (30 * 60) + +static void pqi_process_ctrl_ready_timeout_param(void) +{ + if (pqi_ctrl_ready_timeout_secs == 0) + return; + + if (pqi_ctrl_ready_timeout_secs < PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS) { + pr_warn("%s: ctrl_ready_timeout parm of %u second(s) is less than minimum timeout of %d seconds - setting timeout to %d seconds\n", + DRIVER_NAME_SHORT, pqi_ctrl_ready_timeout_secs, PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS, PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS); + pqi_ctrl_ready_timeout_secs = PQI_CTRL_READY_TIMEOUT_PARAM_MIN_SECS; + } else if (pqi_ctrl_ready_timeout_secs > PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS) { + pr_warn("%s: ctrl_ready_timeout parm of %u seconds is greater than maximum timeout of %d seconds - setting timeout to %d seconds\n", + DRIVER_NAME_SHORT, pqi_ctrl_ready_timeout_secs, PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS, PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS); + pqi_ctrl_ready_timeout_secs = PQI_CTRL_READY_TIMEOUT_PARAM_MAX_SECS; + } + + sis_ctrl_ready_timeout_secs = pqi_ctrl_ready_timeout_secs; +} + static void pqi_process_module_params(void) { pqi_process_lockup_action_param(); + pqi_process_ctrl_ready_timeout_param(); +} + +#if defined(CONFIG_PM) + +static inline enum bmic_flush_cache_shutdown_event pqi_get_flush_cache_shutdown_event(struct pci_dev *pci_dev) +{ + if (pci_dev->subsystem_vendor == PCI_VENDOR_ID_ADAPTEC2 && pci_dev->subsystem_device == 0x1304) + return RESTART; + + return SUSPEND; } -static __maybe_unused int pqi_suspend(struct pci_dev *pci_dev, pm_message_t state) +static int pqi_suspend_or_freeze(struct device *dev, bool suspend) { + struct pci_dev *pci_dev; struct pqi_ctrl_info *ctrl_info; + pci_dev = to_pci_dev(dev); ctrl_info = pci_get_drvdata(pci_dev); - pqi_disable_events(ctrl_info); - pqi_cancel_update_time_worker(ctrl_info); - pqi_cancel_rescan_worker(ctrl_info); - pqi_wait_until_scan_finished(ctrl_info); - pqi_wait_until_lun_reset_finished(ctrl_info); pqi_wait_until_ofa_finished(ctrl_info); - pqi_flush_cache(ctrl_info, SUSPEND); + + pqi_ctrl_block_scan(ctrl_info); + pqi_scsi_block_requests(ctrl_info); + pqi_ctrl_block_device_reset(ctrl_info); pqi_ctrl_block_requests(ctrl_info); pqi_ctrl_wait_until_quiesced(ctrl_info); - pqi_wait_until_inbound_queues_empty(ctrl_info); - pqi_ctrl_wait_for_pending_io(ctrl_info, NO_TIMEOUT); - pqi_stop_heartbeat_timer(ctrl_info); - if (state.event == PM_EVENT_FREEZE) - return 0; + if (suspend) { + enum bmic_flush_cache_shutdown_event shutdown_event; - pci_save_state(pci_dev); - pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)); + shutdown_event = pqi_get_flush_cache_shutdown_event(pci_dev); + pqi_flush_cache(ctrl_info, shutdown_event); + } + + pqi_stop_heartbeat_timer(ctrl_info); + pqi_crash_if_pending_command(ctrl_info); + pqi_free_irqs(ctrl_info); ctrl_info->controller_online = false; ctrl_info->pqi_mode_enabled = false; @@ -7878,37 +9512,89 @@ static __maybe_unused int pqi_suspend(struct pci_dev *pci_dev, pm_message_t stat return 0; } -static __maybe_unused int pqi_resume(struct pci_dev *pci_dev) +static __maybe_unused int pqi_suspend(struct device *dev) +{ + return pqi_suspend_or_freeze(dev, true); +} + +static int pqi_resume_or_restore(struct device *dev) { int rc; + struct pci_dev *pci_dev; struct pqi_ctrl_info *ctrl_info; + pci_dev = to_pci_dev(dev); ctrl_info = pci_get_drvdata(pci_dev); - if (pci_dev->current_state != PCI_D0) { - ctrl_info->max_hw_queue_index = 0; - pqi_free_interrupts(ctrl_info); - pqi_change_irq_mode(ctrl_info, IRQ_MODE_INTX); - rc = request_irq(pci_irq_vector(pci_dev, 0), pqi_irq_handler, - IRQF_SHARED, DRIVER_NAME_SHORT, - &ctrl_info->queue_groups[0]); - if (rc) { - dev_err(&ctrl_info->pci_dev->dev, - "irq %u init failed with error %d\n", - pci_dev->irq, rc); - return rc; - } - pqi_start_heartbeat_timer(ctrl_info); - pqi_ctrl_unblock_requests(ctrl_info); - return 0; - } + rc = pqi_request_irqs(ctrl_info); + if (rc) + return rc; - pci_set_power_state(pci_dev, PCI_D0); - pci_restore_state(pci_dev); + pqi_ctrl_unblock_device_reset(ctrl_info); + pqi_ctrl_unblock_requests(ctrl_info); + pqi_scsi_unblock_requests(ctrl_info); + pqi_ctrl_unblock_scan(ctrl_info); + + ssleep(PQI_POST_RESET_DELAY_SECS); return pqi_ctrl_init_resume(ctrl_info); } +static int pqi_freeze(struct device *dev) +{ + return pqi_suspend_or_freeze(dev, false); +} + +static int pqi_thaw(struct device *dev) +{ + int rc; + struct pci_dev *pci_dev; + struct pqi_ctrl_info *ctrl_info; + + pci_dev = to_pci_dev(dev); + ctrl_info = pci_get_drvdata(pci_dev); + + rc = pqi_request_irqs(ctrl_info); + if (rc) + return rc; + + ctrl_info->controller_online = true; + ctrl_info->pqi_mode_enabled = true; + + pqi_ctrl_unblock_device_reset(ctrl_info); + pqi_ctrl_unblock_requests(ctrl_info); + pqi_scsi_unblock_requests(ctrl_info); + pqi_ctrl_unblock_scan(ctrl_info); + + return 0; +} + +static int pqi_poweroff(struct device *dev) +{ + struct pci_dev *pci_dev; + struct pqi_ctrl_info *ctrl_info; + enum bmic_flush_cache_shutdown_event shutdown_event; + + pci_dev = to_pci_dev(dev); + ctrl_info = pci_get_drvdata(pci_dev); + + shutdown_event = pqi_get_flush_cache_shutdown_event(pci_dev); + pqi_flush_cache(ctrl_info, shutdown_event); + + return 0; +} + +static const struct dev_pm_ops pqi_pm_ops = { + .suspend = pqi_suspend, + .resume = pqi_resume_or_restore, + .freeze = pqi_freeze, + .thaw = pqi_thaw, + .poweroff = pqi_poweroff, + .restore = pqi_resume_or_restore, +}; + +#endif /* CONFIG_PM */ + /* Define the PCI IDs for the controllers that we support. */ static const struct pci_device_id pqi_pci_id_table[] = { { @@ -7941,6 +9627,42 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x193d, 0x0462) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x193d, 0x1104) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x193d, 0x1105) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x193d, 0x1106) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x193d, 0x1107) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x193d, 0x1108) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x193d, 0x1109) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x193d, 0x110b) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x193d, 0x1110) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, 0x193d, 0x8460) }, { @@ -7949,6 +9671,10 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x193d, 0x8462) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, 0x193d, 0xc460) }, { @@ -7993,6 +9719,82 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x004f) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0051) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0052) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0053) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0054) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x006b) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x006c) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x006d) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x006f) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0070) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0071) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0072) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0086) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0087) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0088) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x0089) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1bd4, 0x00a3) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x00a1) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f3a, 0x0104) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, 0x19e5, 0xd227) }, { @@ -8025,6 +9827,10 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x0659) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x0800) }, { @@ -8057,6 +9863,18 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x0808) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x0809) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x080a) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x0900) }, { @@ -8137,10 +9955,202 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1304) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADAPTEC2, 0x1380) }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1400) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1402) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1410) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1411) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1412) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1420) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1430) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1440) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1441) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1450) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1452) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1460) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1461) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1462) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1463) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1470) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1471) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1472) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1473) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1474) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1475) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1480) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1490) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x1491) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14a0) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14a1) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14a2) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14a4) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14a5) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14a6) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14b0) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14b1) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14c0) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14c1) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14c2) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14c3) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14c4) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14d0) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14e0) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_ADAPTEC2, 0x14f0) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x207d, 0x4044) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x207d, 0x4054) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x207d, 0x4084) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x207d, 0x4094) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x207d, 0x4140) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x207d, 0x4240) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x207d, 0x4840) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_ADVANTECH, 0x8312) }, { @@ -8205,6 +10215,10 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_HP, 0x1002) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_VENDOR_ID_HP, 0x1100) }, { @@ -8213,6 +10227,442 @@ static const struct pci_device_id pqi_pci_id_table[] = { }, { PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1590, 0x0294) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1590, 0x02db) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1590, 0x02dc) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1590, 0x032e) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1590, 0x036f) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1590, 0x0381) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1590, 0x0382) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1590, 0x0383) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1d8d, 0x0800) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1d8d, 0x0908) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1d8d, 0x0806) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1d8d, 0x0916) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_GIGABYTE, 0x1000) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1dfc, 0x3161) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f0c, 0x3161) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x0804) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x0805) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x0806) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x5445) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x5446) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x5447) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x5449) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x544a) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x544b) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x544d) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x544e) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x544f) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x54da) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x54db) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x54dc) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x0b27) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x0b29) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cf2, 0x0b45) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cc4, 0x0101) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1cc4, 0x0201) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1018, 0x8238) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f3f, 0x0610) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0220) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0221) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0222) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0223) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0224) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0225) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0520) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0521) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0522) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0620) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0621) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0622) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0623) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0624) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0625) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0626) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0627) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + PCI_VENDOR_ID_LENOVO, 0x0628) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1014, 0x0718) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1137, 0x02f8) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1137, 0x02f9) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1137, 0x02fa) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1137, 0x02fe) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1137, 0x02ff) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1137, 0x0300) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ded, 0x3301) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0045) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0046) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0047) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0048) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x004a) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x004b) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x004c) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x004f) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0051) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0052) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0053) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0054) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x006b) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x006c) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x006d) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x006f) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0070) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0071) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0072) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0086) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0087) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0088) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x0089) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1e93, 0x1000) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1e93, 0x1001) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1e93, 0x1002) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1e93, 0x1005) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1001) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1002) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1003) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1004) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1005) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1006) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1007) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1008) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1009) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x100a) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x100b) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x100e) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x100f) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1010) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1011) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1043) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1044) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1f51, 0x1045) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, + 0x1ff9, 0x00a3) + }, + { + PCI_DEVICE_SUB(PCI_VENDOR_ID_ADAPTEC2, 0x028f, PCI_ANY_ID, PCI_ANY_ID) }, { 0 } @@ -8227,8 +10677,9 @@ static struct pci_driver pqi_pci_driver = { .remove = pqi_pci_remove, .shutdown = pqi_shutdown, #if defined(CONFIG_PM) - .suspend = pqi_suspend, - .resume = pqi_resume, + .driver = { + .pm = &pqi_pm_ops + }, #endif }; @@ -8237,9 +10688,10 @@ static int __init pqi_init(void) int rc; pr_info(DRIVER_NAME "\n"); + pqi_verify_structures(); + sis_verify_structures(); - pqi_sas_transport_template = - sas_attach_transport(&pqi_sas_transport_functions); + pqi_sas_transport_template = sas_attach_transport(&pqi_sas_transport_functions); if (!pqi_sas_transport_template) return -ENODEV; @@ -8261,7 +10713,7 @@ static void __exit pqi_cleanup(void) module_init(pqi_init); module_exit(pqi_cleanup); -static void __attribute__((unused)) verify_structures(void) +static void pqi_verify_structures(void) { BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, sis_host_to_ctrl_doorbell) != 0x20); @@ -8274,8 +10726,12 @@ static void __attribute__((unused)) verify_structures(void) BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, sis_driver_scratch) != 0xb0); BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, + sis_product_identifier) != 0xb4); + BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, sis_firmware_status) != 0xbc); BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, + sis_ctrl_shutdown_reason_code) != 0xcc); + BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, sis_mailbox) != 0x1000); BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers, pqi_registers) != 0x4000); @@ -8287,7 +10743,7 @@ static void __attribute__((unused)) verify_structures(void) BUILD_BUG_ON(offsetof(struct pqi_iu_header, response_queue_id) != 0x4); BUILD_BUG_ON(offsetof(struct pqi_iu_header, - work_area) != 0x6); + driver_flags) != 0x6); BUILD_BUG_ON(sizeof(struct pqi_iu_header) != 0x8); BUILD_BUG_ON(offsetof(struct pqi_aio_error_info, @@ -8385,7 +10841,7 @@ static void __attribute__((unused)) verify_structures(void) BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, header.iu_length) != 2); BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, - header.work_area) != 6); + header.driver_flags) != 6); BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, request_id) != 8); BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, @@ -8429,11 +10885,11 @@ static void __attribute__((unused)) verify_structures(void) BUILD_BUG_ON(offsetof(struct pqi_general_admin_request, data.delete_operational_queue.queue_id) != 12); BUILD_BUG_ON(sizeof(struct pqi_general_admin_request) != 64); - BUILD_BUG_ON(FIELD_SIZEOF(struct pqi_general_admin_request, + BUILD_BUG_ON(sizeof_field(struct pqi_general_admin_request, data.create_operational_iq) != 64 - 11); - BUILD_BUG_ON(FIELD_SIZEOF(struct pqi_general_admin_request, + BUILD_BUG_ON(sizeof_field(struct pqi_general_admin_request, data.create_operational_oq) != 64 - 11); - BUILD_BUG_ON(FIELD_SIZEOF(struct pqi_general_admin_request, + BUILD_BUG_ON(sizeof_field(struct pqi_general_admin_request, data.delete_operational_queue) != 64 - 11); BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, @@ -8441,7 +10897,7 @@ static void __attribute__((unused)) verify_structures(void) BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, header.iu_length) != 2); BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, - header.work_area) != 6); + header.driver_flags) != 6); BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, request_id) != 8); BUILD_BUG_ON(offsetof(struct pqi_general_admin_response, @@ -8465,7 +10921,7 @@ static void __attribute__((unused)) verify_structures(void) BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, header.response_queue_id) != 4); BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, - header.work_area) != 6); + header.driver_flags) != 6); BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, request_id) != 8); BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, @@ -8481,6 +10937,8 @@ static void __attribute__((unused)) verify_structures(void) BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, cdb) != 32); BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, + timeout) != 60); + BUILD_BUG_ON(offsetof(struct pqi_raid_path_request, sg_descriptors) != 64); BUILD_BUG_ON(sizeof(struct pqi_raid_path_request) != PQI_OPERATIONAL_IQ_ELEMENT_LENGTH); @@ -8492,7 +10950,7 @@ static void __attribute__((unused)) verify_structures(void) BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, header.response_queue_id) != 4); BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, - header.work_area) != 6); + header.driver_flags) != 6); BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, request_id) != 8); BUILD_BUG_ON(offsetof(struct pqi_aio_path_request, @@ -8635,6 +11093,8 @@ static void __attribute__((unused)) verify_structures(void) BUILD_BUG_ON(offsetof(struct pqi_task_management_request, nexus_id) != 10); BUILD_BUG_ON(offsetof(struct pqi_task_management_request, + timeout) != 14); + BUILD_BUG_ON(offsetof(struct pqi_task_management_request, lun_number) != 16); BUILD_BUG_ON(offsetof(struct pqi_task_management_request, protocol_specific) != 24); @@ -8665,13 +11125,23 @@ static void __attribute__((unused)) verify_structures(void) BUILD_BUG_ON(offsetof(struct bmic_identify_controller, configuration_signature) != 1); BUILD_BUG_ON(offsetof(struct bmic_identify_controller, - firmware_version) != 5); + firmware_version_short) != 5); BUILD_BUG_ON(offsetof(struct bmic_identify_controller, extended_logical_unit_count) != 154); BUILD_BUG_ON(offsetof(struct bmic_identify_controller, firmware_build_number) != 190); BUILD_BUG_ON(offsetof(struct bmic_identify_controller, + vendor_id) != 200); + BUILD_BUG_ON(offsetof(struct bmic_identify_controller, + product_id) != 208); + BUILD_BUG_ON(offsetof(struct bmic_identify_controller, + extra_controller_flags) != 286); + BUILD_BUG_ON(offsetof(struct bmic_identify_controller, controller_mode) != 292); + BUILD_BUG_ON(offsetof(struct bmic_identify_controller, + spare_part_number) != 293); + BUILD_BUG_ON(offsetof(struct bmic_identify_controller, + firmware_version_long) != 325); BUILD_BUG_ON(offsetof(struct bmic_identify_physical_device, phys_bay_in_box) != 115); @@ -8689,6 +11159,45 @@ static void __attribute__((unused)) verify_structures(void) current_queue_depth_limit) != 1796); BUILD_BUG_ON(sizeof(struct bmic_identify_physical_device) != 2560); + BUILD_BUG_ON(sizeof(struct bmic_sense_feature_buffer_header) != 4); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_buffer_header, + page_code) != 0); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_buffer_header, + subpage_code) != 1); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_buffer_header, + buffer_length) != 2); + + BUILD_BUG_ON(sizeof(struct bmic_sense_feature_page_header) != 4); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_page_header, + page_code) != 0); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_page_header, + subpage_code) != 1); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_page_header, + page_length) != 2); + + BUILD_BUG_ON(sizeof(struct bmic_sense_feature_io_page_aio_subpage) + != 18); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, + header) != 0); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, + firmware_read_support) != 4); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, + driver_read_support) != 5); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, + firmware_write_support) != 6); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, + driver_write_support) != 7); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, + max_transfer_encrypted_sas_sata) != 8); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, + max_transfer_encrypted_nvme) != 10); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, + max_write_raid_5_6) != 12); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, + max_write_raid_1_10_2drive) != 14); + BUILD_BUG_ON(offsetof(struct bmic_sense_feature_io_page_aio_subpage, + max_write_raid_1_10_3drive) != 16); + BUILD_BUG_ON(PQI_ADMIN_IQ_NUM_ELEMENTS > 255); BUILD_BUG_ON(PQI_ADMIN_OQ_NUM_ELEMENTS > 255); BUILD_BUG_ON(PQI_ADMIN_IQ_ELEMENT_LENGTH % |