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Diffstat (limited to 'drivers/scsi/smartpqi/smartpqi.h')
-rw-r--r--drivers/scsi/smartpqi/smartpqi.h194
1 files changed, 120 insertions, 74 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h
index b673825f46b5..07ec8a8877de 100644
--- a/drivers/scsi/smartpqi/smartpqi.h
+++ b/drivers/scsi/smartpqi/smartpqi.h
@@ -1,6 +1,6 @@
/*
* driver for Microsemi PQI-based storage controllers
- * Copyright (c) 2016 Microsemi Corporation
+ * Copyright (c) 2016-2017 Microsemi Corporation
* Copyright (c) 2016 PMC-Sierra, Inc.
*
* This program is free software; you can redistribute it and/or modify
@@ -16,6 +16,8 @@
*
*/
+#include <linux/io-64-nonatomic-lo-hi.h>
+
#if !defined(_SMARTPQI_H)
#define _SMARTPQI_H
@@ -61,7 +63,7 @@ struct pqi_device_registers {
/*
* controller registers
*
- * These are defined by the PMC implementation.
+ * These are defined by the Microsemi implementation.
*
* Some registers (those named sis_*) are only used when in
* legacy SIS mode before we transition the controller into
@@ -102,6 +104,12 @@ enum pqi_io_path {
AIO_PATH = 1
};
+enum pqi_irq_mode {
+ IRQ_MODE_NONE,
+ IRQ_MODE_INTX,
+ IRQ_MODE_MSIX
+};
+
struct pqi_sg_descriptor {
__le64 address;
__le32 length;
@@ -484,7 +492,6 @@ struct pqi_raid_error_info {
#define PQI_EVENT_TYPE_LOGICAL_DEVICE 0x5
#define PQI_EVENT_TYPE_AIO_STATE_CHANGE 0xfd
#define PQI_EVENT_TYPE_AIO_CONFIG_CHANGE 0xfe
-#define PQI_EVENT_TYPE_HEARTBEAT 0xff
#pragma pack()
@@ -629,17 +636,70 @@ struct pqi_encryption_info {
u32 encrypt_tweak_upper;
};
-#define PQI_MAX_OUTSTANDING_REQUESTS ((u32)~0)
-#define PQI_MAX_TRANSFER_SIZE (4 * 1024U * 1024U)
+#pragma pack(1)
+
+#define PQI_CONFIG_TABLE_SIGNATURE "CFGTABLE"
+#define PQI_CONFIG_TABLE_MAX_LENGTH ((u16)~0)
+
+/* configuration table section IDs */
+#define PQI_CONFIG_TABLE_SECTION_GENERAL_INFO 0
+#define PQI_CONFIG_TABLE_SECTION_FIRMWARE_FEATURES 1
+#define PQI_CONFIG_TABLE_SECTION_FIRMWARE_ERRATA 2
+#define PQI_CONFIG_TABLE_SECTION_DEBUG 3
+#define PQI_CONFIG_TABLE_SECTION_HEARTBEAT 4
+
+struct pqi_config_table {
+ u8 signature[8]; /* "CFGTABLE" */
+ __le32 first_section_offset; /* offset in bytes from the base */
+ /* address of this table to the */
+ /* first section */
+};
+
+struct pqi_config_table_section_header {
+ __le16 section_id; /* as defined by the */
+ /* PQI_CONFIG_TABLE_SECTION_* */
+ /* manifest constants above */
+ __le16 next_section_offset; /* offset in bytes from base */
+ /* address of the table of the */
+ /* next section or 0 if last entry */
+};
+
+struct pqi_config_table_general_info {
+ struct pqi_config_table_section_header header;
+ __le32 section_length; /* size of this section in bytes */
+ /* including the section header */
+ __le32 max_outstanding_requests; /* max. outstanding */
+ /* commands supported by */
+ /* the controller */
+ __le32 max_sg_size; /* max. transfer size of a single */
+ /* command */
+ __le32 max_sg_per_request; /* max. number of scatter-gather */
+ /* entries supported in a single */
+ /* command */
+};
+
+struct pqi_config_table_debug {
+ struct pqi_config_table_section_header header;
+ __le32 scratchpad;
+};
+
+struct pqi_config_table_heartbeat {
+ struct pqi_config_table_section_header header;
+ __le32 heartbeat_counter;
+};
+
+#define PQI_MAX_OUTSTANDING_REQUESTS ((u32)~0)
+#define PQI_MAX_OUTSTANDING_REQUESTS_KDUMP 32
+#define PQI_MAX_TRANSFER_SIZE (4 * 1024U * 1024U)
+#define PQI_MAX_TRANSFER_SIZE_KDUMP (512 * 1024U)
#define RAID_MAP_MAX_ENTRIES 1024
#define PQI_PHYSICAL_DEVICE_BUS 0
#define PQI_RAID_VOLUME_BUS 1
#define PQI_HBA_BUS 2
-#define PQI_MAX_BUS PQI_HBA_BUS
-
-#pragma pack(1)
+#define PQI_EXTERNAL_RAID_VOLUME_BUS 3
+#define PQI_MAX_BUS PQI_EXTERNAL_RAID_VOLUME_BUS
struct report_lun_header {
__be32 list_length;
@@ -668,7 +728,6 @@ struct report_phys_lun_extended_entry {
};
/* for device_flags field of struct report_phys_lun_extended_entry */
-#define REPORT_PHYS_LUN_DEV_FLAG_NON_DISK 0x1
#define REPORT_PHYS_LUN_DEV_FLAG_AIO_ENABLED 0x8
struct report_phys_lun_extended {
@@ -726,14 +785,15 @@ struct pqi_scsi_dev {
__be64 wwid;
u8 volume_id[16];
u8 is_physical_device : 1;
+ u8 is_external_raid_device : 1;
u8 target_lun_valid : 1;
- u8 expose_device : 1;
- u8 no_uld_attach : 1;
- u8 aio_enabled : 1; /* only valid for physical disks */
u8 device_gone : 1;
u8 new_device : 1;
u8 keep_device : 1;
u8 volume_offline : 1;
+ bool aio_enabled; /* only valid for physical disks */
+ bool in_reset;
+ bool device_offline;
u8 vendor[8]; /* bytes 8-15 of inquiry data */
u8 model[16]; /* bytes 16-31 of inquiry data */
u64 sas_address;
@@ -747,12 +807,11 @@ struct pqi_scsi_dev {
u8 bay;
u8 box[8];
u16 phys_connector[8];
- int offload_configured; /* I/O accel RAID offload configured */
- int offload_enabled; /* I/O accel RAID offload enabled */
- int offload_enabled_pending;
- int offload_to_mirror; /* Send next I/O accelerator RAID */
- /* offload request to mirror drive. */
- struct raid_map *raid_map; /* I/O accelerator RAID map */
+ bool raid_bypass_configured; /* RAID bypass configured */
+ bool raid_bypass_enabled; /* RAID bypass enabled */
+ int offload_to_mirror; /* Send next RAID bypass request */
+ /* to mirror drive. */
+ struct raid_map *raid_map; /* RAID bypass map */
struct pqi_sas_port *sas_port;
struct scsi_device *sdev;
@@ -761,13 +820,15 @@ struct pqi_scsi_dev {
struct list_head new_device_list_entry;
struct list_head add_list_entry;
struct list_head delete_list_entry;
+
+ atomic_t scsi_cmds_outstanding;
};
/* VPD inquiry pages */
#define SCSI_VPD_SUPPORTED_PAGES 0x0 /* standard page */
#define SCSI_VPD_DEVICE_ID 0x83 /* standard page */
#define CISS_VPD_LV_DEVICE_GEOMETRY 0xc1 /* vendor-specific page */
-#define CISS_VPD_LV_OFFLOAD_STATUS 0xc2 /* vendor-specific page */
+#define CISS_VPD_LV_BYPASS_STATUS 0xc2 /* vendor-specific page */
#define CISS_VPD_LV_STATUS 0xc3 /* vendor-specific page */
#define VPD_PAGE (1 << 8)
@@ -851,7 +912,9 @@ struct pqi_io_request {
void (*io_complete_callback)(struct pqi_io_request *io_request,
void *context);
void *context;
+ u8 raid_bypass : 1;
int status;
+ struct pqi_queue_group *queue_group;
struct scsi_cmnd *scmd;
void *error_info;
struct pqi_sg_descriptor *sg_chain_buffer;
@@ -860,15 +923,7 @@ struct pqi_io_request {
struct list_head request_list_entry;
};
-/* for indexing into the pending_events[] field of struct pqi_ctrl_info */
-#define PQI_EVENT_HEARTBEAT 0
-#define PQI_EVENT_HOTPLUG 1
-#define PQI_EVENT_HARDWARE 2
-#define PQI_EVENT_PHYSICAL_DEVICE 3
-#define PQI_EVENT_LOGICAL_DEVICE 4
-#define PQI_EVENT_AIO_STATE_CHANGE 5
-#define PQI_EVENT_AIO_CONFIG_CHANGE 6
-#define PQI_NUM_SUPPORTED_EVENTS 7
+#define PQI_NUM_SUPPORTED_EVENTS 6
struct pqi_event {
bool pending;
@@ -911,7 +966,7 @@ struct pqi_ctrl_info {
dma_addr_t error_buffer_dma_handle;
size_t sg_chain_buffer_length;
unsigned int num_queue_groups;
- unsigned int num_active_queue_groups;
+ u16 max_hw_queue_index;
u16 num_elements_per_iq;
u16 num_elements_per_oq;
u16 max_inbound_iu_length_per_firmware;
@@ -926,6 +981,7 @@ struct pqi_ctrl_info {
struct pqi_admin_queues admin_queues;
struct pqi_queue_group queue_groups[PQI_MAX_QUEUE_GROUPS];
struct pqi_event_queue event_queue;
+ enum pqi_irq_mode irq_mode;
int max_msix_vectors;
int num_msix_vectors_enabled;
int num_msix_vectors_initialized;
@@ -933,11 +989,12 @@ struct pqi_ctrl_info {
struct Scsi_Host *scsi_host;
struct mutex scan_mutex;
+ struct mutex lun_reset_mutex;
+ bool controller_online;
+ bool block_requests;
u8 inbound_spanning_supported : 1;
u8 outbound_spanning_supported : 1;
u8 pqi_mode_enabled : 1;
- u8 controller_online : 1;
- u8 heartbeat_timer_started : 1;
struct list_head scsi_device_list;
spinlock_t scsi_device_list_lock;
@@ -951,20 +1008,28 @@ struct pqi_ctrl_info {
struct pqi_io_request *io_request_pool;
u16 next_io_request_slot;
- struct pqi_event pending_events[PQI_NUM_SUPPORTED_EVENTS];
+ struct pqi_event events[PQI_NUM_SUPPORTED_EVENTS];
struct work_struct event_work;
atomic_t num_interrupts;
int previous_num_interrupts;
- unsigned int num_heartbeats_requested;
+ u32 previous_heartbeat_count;
+ __le32 __iomem *heartbeat_counter;
struct timer_list heartbeat_timer;
+ struct work_struct ctrl_offline_work;
struct semaphore sync_request_sem;
- struct semaphore lun_reset_sem;
+ atomic_t num_busy_threads;
+ atomic_t num_blocked_threads;
+ wait_queue_head_t block_requests_wait;
+
+ struct list_head raid_bypass_retry_list;
+ spinlock_t raid_bypass_retry_list_lock;
+ struct work_struct raid_bypass_retry_work;
};
enum pqi_ctrl_mode {
- UNKNOWN,
+ SIS_MODE = 0,
PQI_MODE
};
@@ -973,9 +1038,6 @@ enum pqi_ctrl_mode {
*/
#define PQI_PHYSICAL_DISK_DEFAULT_MAX_QUEUE_DEPTH 27
-/* 0 = no limit */
-#define PQI_LOGICAL_DRIVE_DEFAULT_MAX_QUEUE_DEPTH 0
-
/* CISS commands */
#define CISS_READ 0xc0
#define CISS_REPORT_LOG 0xc2 /* Report Logical LUNs */
@@ -996,13 +1058,13 @@ enum pqi_ctrl_mode {
#define BMIC_WRITE_HOST_WELLNESS 0xa5
#define BMIC_CACHE_FLUSH 0xc2
-#define SA_CACHE_FLUSH 0x01
+#define SA_CACHE_FLUSH 0x1
#define MASKED_DEVICE(lunid) ((lunid)[3] & 0xc0)
-#define CISS_GET_BUS(lunid) ((lunid)[7] & 0x3f)
+#define CISS_GET_LEVEL_2_BUS(lunid) ((lunid)[7] & 0x3f)
#define CISS_GET_LEVEL_2_TARGET(lunid) ((lunid)[6])
#define CISS_GET_DRIVE_NUMBER(lunid) \
- (((CISS_GET_BUS((lunid)) - 1) << 8) + \
+ (((CISS_GET_LEVEL_2_BUS((lunid)) - 1) << 8) + \
CISS_GET_LEVEL_2_TARGET((lunid)))
#define NO_TIMEOUT ((unsigned long) -1)
@@ -1069,9 +1131,9 @@ struct bmic_identify_physical_device {
u8 multi_lun_device_lun_count;
u8 minimum_good_fw_revision[8];
u8 unique_inquiry_bytes[20];
- u8 current_temperature_degreesC;
- u8 temperature_threshold_degreesC;
- u8 max_temperature_degreesC;
+ u8 current_temperature_degrees;
+ u8 temperature_threshold_degrees;
+ u8 max_temperature_degrees;
u8 logical_blocks_per_phys_block_exp;
__le16 current_queue_depth_limit;
u8 switch_name[10];
@@ -1084,10 +1146,22 @@ struct bmic_identify_physical_device {
u8 smart_carrier_authentication;
u8 smart_carrier_app_fw_version;
u8 smart_carrier_bootloader_fw_version;
+ u8 sanitize_flags;
+ u8 encryption_key_flags;
u8 encryption_key_name[64];
__le32 misc_drive_flags;
__le16 dek_index;
- u8 padding[112];
+ __le16 hba_drive_encryption_flags;
+ __le16 max_overwrite_time;
+ __le16 max_block_erase_time;
+ __le16 max_crypto_erase_time;
+ u8 connector_info[5];
+ u8 connector_name[8][8];
+ u8 page_83_identifier[16];
+ u8 maximum_link_rate[256];
+ u8 negotiated_physical_link_rate[256];
+ u8 box_connector_name[8];
+ u8 padding_to_multiple_of_512[9];
};
#pragma pack()
@@ -1099,36 +1173,8 @@ int pqi_add_sas_device(struct pqi_sas_node *pqi_sas_node,
void pqi_remove_sas_device(struct pqi_scsi_dev *device);
struct pqi_scsi_dev *pqi_find_device_by_sas_rphy(
struct pqi_ctrl_info *ctrl_info, struct sas_rphy *rphy);
+void pqi_prep_for_scsi_done(struct scsi_cmnd *scmd);
extern struct sas_function_template pqi_sas_transport_functions;
-#if !defined(readq)
-#define readq readq
-static inline u64 readq(const volatile void __iomem *addr)
-{
- u32 lower32;
- u32 upper32;
-
- lower32 = readl(addr);
- upper32 = readl(addr + 4);
-
- return ((u64)upper32 << 32) | lower32;
-}
-#endif
-
-#if !defined(writeq)
-#define writeq writeq
-static inline void writeq(u64 value, volatile void __iomem *addr)
-{
- u32 lower32;
- u32 upper32;
-
- lower32 = lower_32_bits(value);
- upper32 = upper_32_bits(value);
-
- writel(lower32, addr);
- writel(upper32, addr + 4);
-}
-#endif
-
#endif /* _SMARTPQI_H */
generated by cgit (git 2.34.1) at 2024-05-24 08:11:57 +0000