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Diffstat (limited to 'drivers/scsi/pm8001/pm8001_sas.h')
-rw-r--r--drivers/scsi/pm8001/pm8001_sas.h339
1 files changed, 255 insertions, 84 deletions
diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h
index 570819464d90..b63b6ffcaaf5 100644
--- a/drivers/scsi/pm8001/pm8001_sas.h
+++ b/drivers/scsi/pm8001/pm8001_sas.h
@@ -55,10 +55,11 @@
#include <scsi/scsi_tcq.h>
#include <scsi/sas_ata.h>
#include <linux/atomic.h>
+#include <linux/blk-mq.h>
#include "pm8001_defs.h"
#define DRV_NAME "pm80xx"
-#define DRV_VERSION "0.1.37"
+#define DRV_VERSION "0.1.40"
#define PM8001_FAIL_LOGGING 0x01 /* Error message logging */
#define PM8001_INIT_LOGGING 0x02 /* driver init logging */
#define PM8001_DISC_LOGGING 0x04 /* discovery layer logging */
@@ -66,78 +67,127 @@
#define PM8001_EH_LOGGING 0x10 /* libsas EH function logging*/
#define PM8001_IOCTL_LOGGING 0x20 /* IOCTL message logging */
#define PM8001_MSG_LOGGING 0x40 /* misc message logging */
-#define pm8001_printk(format, arg...) printk(KERN_INFO "pm80xx %s %d:" \
- format, __func__, __LINE__, ## arg)
-#define PM8001_CHECK_LOGGING(HBA, LEVEL, CMD) \
-do { \
- if (unlikely(HBA->logging_level & LEVEL)) \
- do { \
- CMD; \
- } while (0); \
-} while (0);
+#define PM8001_DEV_LOGGING 0x80 /* development message logging */
+#define PM8001_DEVIO_LOGGING 0x100 /* development io message logging */
+#define PM8001_IOERR_LOGGING 0x200 /* development io err message logging */
+#define PM8001_EVENT_LOGGING 0x400 /* HW event logging */
-#define PM8001_EH_DBG(HBA, CMD) \
- PM8001_CHECK_LOGGING(HBA, PM8001_EH_LOGGING, CMD)
+#define pm8001_info(HBA, fmt, ...) \
+ pr_info("%s:: %s %d: " fmt, \
+ (HBA)->name, __func__, __LINE__, ##__VA_ARGS__)
-#define PM8001_INIT_DBG(HBA, CMD) \
- PM8001_CHECK_LOGGING(HBA, PM8001_INIT_LOGGING, CMD)
+#define pm8001_dbg(HBA, level, fmt, ...) \
+do { \
+ if (unlikely((HBA)->logging_level & PM8001_##level##_LOGGING)) \
+ pm8001_info(HBA, fmt, ##__VA_ARGS__); \
+} while (0)
-#define PM8001_DISC_DBG(HBA, CMD) \
- PM8001_CHECK_LOGGING(HBA, PM8001_DISC_LOGGING, CMD)
+extern bool pm8001_use_msix;
-#define PM8001_IO_DBG(HBA, CMD) \
- PM8001_CHECK_LOGGING(HBA, PM8001_IO_LOGGING, CMD)
-
-#define PM8001_FAIL_DBG(HBA, CMD) \
- PM8001_CHECK_LOGGING(HBA, PM8001_FAIL_LOGGING, CMD)
-
-#define PM8001_IOCTL_DBG(HBA, CMD) \
- PM8001_CHECK_LOGGING(HBA, PM8001_IOCTL_LOGGING, CMD)
-
-#define PM8001_MSG_DBG(HBA, CMD) \
- PM8001_CHECK_LOGGING(HBA, PM8001_MSG_LOGGING, CMD)
-
-
-#define PM8001_USE_TASKLET
-#define PM8001_USE_MSIX
-#define PM8001_READ_VPD
-
-
-#define DEV_IS_EXPANDER(type) ((type == SAS_EDGE_EXPANDER_DEVICE) || (type == SAS_FANOUT_EXPANDER_DEVICE))
+#define IS_SPCV_12G(dev) ((dev->device == 0X8074) \
+ || (dev->device == 0X8076) \
+ || (dev->device == 0X8077) \
+ || (dev->device == 0X8070) \
+ || (dev->device == 0X8072))
#define PM8001_NAME_LENGTH 32/* generic length of strings */
extern struct list_head hba_list;
extern const struct pm8001_dispatch pm8001_8001_dispatch;
extern const struct pm8001_dispatch pm8001_80xx_dispatch;
+extern uint pcs_event_log_severity;
+
struct pm8001_hba_info;
struct pm8001_ccb_info;
struct pm8001_device;
-/* define task management IU */
-struct pm8001_tmf_task {
- u8 tmf;
- u32 tag_of_task_to_be_managed;
-};
+
struct pm8001_ioctl_payload {
u32 signature;
u16 major_function;
u16 minor_function;
- u16 length;
u16 status;
u16 offset;
u16 id;
+ u32 wr_length;
+ u32 rd_length;
u8 *func_specific;
};
+#define MPI_FATAL_ERROR_TABLE_OFFSET_MASK 0xFFFFFF
+#define MPI_FATAL_ERROR_TABLE_SIZE(value) ((0xFF000000 & value) >> SHIFT24)
+#define MPI_FATAL_EDUMP_TABLE_LO_OFFSET 0x00 /* HNFBUFL */
+#define MPI_FATAL_EDUMP_TABLE_HI_OFFSET 0x04 /* HNFBUFH */
+#define MPI_FATAL_EDUMP_TABLE_LENGTH 0x08 /* HNFBLEN */
+#define MPI_FATAL_EDUMP_TABLE_HANDSHAKE 0x0C /* FDDHSHK */
+#define MPI_FATAL_EDUMP_TABLE_STATUS 0x10 /* FDDTSTAT */
+#define MPI_FATAL_EDUMP_TABLE_ACCUM_LEN 0x14 /* ACCDDLEN */
+#define MPI_FATAL_EDUMP_TABLE_TOTAL_LEN 0x18 /* TOTALLEN */
+#define MPI_FATAL_EDUMP_TABLE_SIGNATURE 0x1C /* SIGNITURE */
+#define MPI_FATAL_EDUMP_HANDSHAKE_RDY 0x1
+#define MPI_FATAL_EDUMP_HANDSHAKE_BUSY 0x0
+#define MPI_FATAL_EDUMP_TABLE_STAT_RSVD 0x0
+#define MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED 0x1
+#define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA 0x2
+#define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE 0x3
+#define TYPE_GSM_SPACE 1
+#define TYPE_QUEUE 2
+#define TYPE_FATAL 3
+#define TYPE_NON_FATAL 4
+#define TYPE_INBOUND 1
+#define TYPE_OUTBOUND 2
+struct forensic_data {
+ u32 data_type;
+ union {
+ struct {
+ u32 direct_len;
+ u32 direct_offset;
+ void *direct_data;
+ } gsm_buf;
+ struct {
+ u16 queue_type;
+ u16 queue_index;
+ u32 direct_len;
+ void *direct_data;
+ } queue_buf;
+ struct {
+ u32 direct_len;
+ u32 direct_offset;
+ u32 read_len;
+ void *direct_data;
+ } data_buf;
+ };
+};
+
+/* bit31-26 - mask bar */
+#define SCRATCH_PAD0_BAR_MASK 0xFC000000
+/* bit25-0 - offset mask */
+#define SCRATCH_PAD0_OFFSET_MASK 0x03FFFFFF
+/* if AAP error state */
+#define SCRATCH_PAD0_AAPERR_MASK 0xFFFFFFFF
+/* Inbound doorbell bit7 */
+#define SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP 0x80
+/* Inbound doorbell bit7 SPCV */
+#define SPCV_MSGU_CFG_TABLE_TRANSFER_DEBUG_INFO 0x80
+#define MAIN_MERRDCTO_MERRDCES 0xA0/* DWORD 0x28) */
+
+/**
+ * enum fatal_error_reporter: Indicates the originator of the fatal error
+ */
+enum fatal_error_reporter {
+ REPORTER_DRIVER,
+ REPORTER_FIRMWARE,
+};
+
struct pm8001_dispatch {
char *name;
int (*chip_init)(struct pm8001_hba_info *pm8001_ha);
+ void (*chip_post_init)(struct pm8001_hba_info *pm8001_ha);
int (*chip_soft_rst)(struct pm8001_hba_info *pm8001_ha);
void (*chip_rst)(struct pm8001_hba_info *pm8001_ha);
int (*chip_ioremap)(struct pm8001_hba_info *pm8001_ha);
void (*chip_iounmap)(struct pm8001_hba_info *pm8001_ha);
irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha, u8 vec);
- u32 (*is_our_interupt)(struct pm8001_hba_info *pm8001_ha);
+ u32 (*is_our_interrupt)(struct pm8001_hba_info *pm8001_ha);
int (*isr_process_oq)(struct pm8001_hba_info *pm8001_ha, u8 vec);
void (*interrupt_enable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
void (*interrupt_disable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
@@ -156,10 +206,9 @@ struct pm8001_dispatch {
int (*phy_ctl_req)(struct pm8001_hba_info *pm8001_ha,
u32 phy_id, u32 phy_op);
int (*task_abort)(struct pm8001_hba_info *pm8001_ha,
- struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag,
- u32 cmd_tag);
+ struct pm8001_ccb_info *ccb);
int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha,
- struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf);
+ struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf);
int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
int (*set_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
int (*fw_flash_update_req)(struct pm8001_hba_info *pm8001_ha,
@@ -171,6 +220,10 @@ struct pm8001_dispatch {
int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha,
u32 state);
int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha);
+ int (*fatal_errors)(struct pm8001_hba_info *pm8001_ha);
+ void (*hw_event_ack_req)(struct pm8001_hba_info *pm8001_ha,
+ u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0,
+ u32 param1);
};
struct pm8001_chip_info {
@@ -183,8 +236,9 @@ struct pm8001_chip_info {
struct pm8001_port {
struct asd_sas_port sas_port;
u8 port_attached;
- u8 wide_port_phymap;
+ u16 wide_port_phymap;
u8 port_state;
+ u8 port_id;
struct list_head list;
};
@@ -203,8 +257,15 @@ struct pm8001_phy {
u8 phy_state;
enum sas_linkrate minimum_linkrate;
enum sas_linkrate maximum_linkrate;
+ struct completion *reset_completion;
+ bool port_reset_status;
+ bool reset_success;
};
+/* port reset status */
+#define PORT_RESET_SUCCESS 0x00
+#define PORT_RESET_TMO 0x01
+
struct pm8001_device {
enum sas_device_type dev_type;
struct domain_device *sas_device;
@@ -213,7 +274,7 @@ struct pm8001_device {
struct completion *dcompletion;
struct completion *setds_completion;
u32 device_id;
- u32 running_req;
+ atomic_t running_req;
};
struct pm8001_prd_imt {
@@ -229,13 +290,12 @@ struct pm8001_prd {
* CCB(Command Control Block)
*/
struct pm8001_ccb_info {
- struct list_head entry;
struct sas_task *task;
u32 n_elem;
u32 ccb_tag;
dma_addr_t ccb_dma_handle;
struct pm8001_device *device;
- struct pm8001_prd buf_prd[PM8001_MAX_DMA_SG];
+ struct pm8001_prd *buf_prd;
struct fw_control_ex *fw_control_context;
u8 open_retry;
};
@@ -343,6 +403,9 @@ union main_cfg_table {
u32 phy_attr_table_offset;
u32 port_recovery_timer;
u32 interrupt_reassertion_delay;
+ u32 fatal_n_non_fatal_dump; /* 0x28 */
+ u32 ila_version;
+ u32 inc_fw_version;
} pm80xx_tbl;
};
@@ -385,6 +448,7 @@ struct inbound_queue_table {
u32 reserved;
__le32 consumer_index;
u32 producer_idx;
+ spinlock_t iq_lock;
};
struct outbound_queue_table {
u32 element_size_cnt;
@@ -401,22 +465,37 @@ struct outbound_queue_table {
u32 dinterrup_to_pci_offset;
__le32 producer_index;
u32 consumer_idx;
+ spinlock_t oq_lock;
+ unsigned long lock_flags;
};
struct pm8001_hba_memspace {
void __iomem *memvirtaddr;
u64 membase;
u32 memsize;
};
+struct isr_param {
+ struct pm8001_hba_info *drv_inst;
+ u32 irq_id;
+};
struct pm8001_hba_info {
char name[PM8001_NAME_LENGTH];
struct list_head list;
unsigned long flags;
spinlock_t lock;/* host-wide lock */
+ spinlock_t bitmap_lock;
struct pci_dev *pdev;/* our device */
struct device *dev;
struct pm8001_hba_memspace io_mem[6];
struct mpi_mem_req memoryMap;
struct encrypt encrypt_info; /* support encryption */
+ struct forensic_data forensic_info;
+ u32 fatal_bar_loc;
+ u32 forensic_last_offset;
+ u32 fatal_forensic_shift_offset;
+ u32 forensic_fatal_step;
+ u32 forensic_preserved_accumulated_transfer;
+ u32 evtlog_ib_offset;
+ u32 evtlog_ob_offset;
void __iomem *msg_unit_tbl_addr;/*Message Unit Table Addr*/
void __iomem *main_cfg_tbl_addr;/*Main Config Table Addr*/
void __iomem *general_stat_tbl_addr;/*General Status Table Addr*/
@@ -425,10 +504,11 @@ struct pm8001_hba_info {
void __iomem *pspa_q_tbl_addr;
/*MPI SAS PHY attributes Queue Config Table Addr*/
void __iomem *ivt_tbl_addr; /*MPI IVT Table Addr */
+ void __iomem *fatal_tbl_addr; /*MPI IVT Table Addr */
union main_cfg_table main_cfg_tbl;
union general_status_table gs_tbl;
- struct inbound_queue_table inbnd_q_tbl[PM8001_MAX_SPCV_INB_NUM];
- struct outbound_queue_table outbnd_q_tbl[PM8001_MAX_SPCV_OUTB_NUM];
+ struct inbound_queue_table inbnd_q_tbl[PM8001_MAX_INB_NUM];
+ struct outbound_queue_table outbnd_q_tbl[PM8001_MAX_OUTB_NUM];
struct sas_phy_attribute_table phy_attr_table;
/* MPI SAS PHY attributes */
u8 sas_addr[SAS_ADDR_SIZE];
@@ -437,8 +517,7 @@ struct pm8001_hba_info {
u32 chip_id;
const struct pm8001_chip_info *chip;
struct completion *nvmd_completion;
- int tags_num;
- unsigned long *tags;
+ unsigned long *rsvd_tags;
struct pm8001_phy phy[PM8001_MAX_PHYS];
struct pm8001_port port[PM8001_MAX_PHYS];
u32 id;
@@ -446,20 +525,32 @@ struct pm8001_hba_info {
u32 iomb_size; /* SPC and SPCV IOMB size */
struct pm8001_device *devices;
struct pm8001_ccb_info *ccb_info;
-#ifdef PM8001_USE_MSIX
- struct msix_entry msix_entries[PM8001_MAX_MSIX_VEC];
- /*for msi-x interrupt*/
+ u32 ccb_count;
+
+ bool use_msix;
int number_of_intr;/*will be used in remove()*/
-#endif
-#ifdef PM8001_USE_TASKLET
- struct tasklet_struct tasklet;
-#endif
+ char intr_drvname[PM8001_MAX_MSIX_VEC]
+ [PM8001_NAME_LENGTH+1+3+1];
+ struct tasklet_struct tasklet[PM8001_MAX_MSIX_VEC];
u32 logging_level;
+ u32 link_rate;
u32 fw_status;
u32 smp_exp_mode;
- u32 int_vector;
+ bool controller_fatal_error;
const struct firmware *fw_image;
- u8 outq[PM8001_MAX_MSIX_VEC];
+ struct isr_param irq_vector[PM8001_MAX_MSIX_VEC];
+ u32 non_fatal_count;
+ u32 non_fatal_read_length;
+ u32 max_q_num;
+ u32 ib_offset;
+ u32 ob_offset;
+ u32 ci_offset;
+ u32 pi_offset;
+ u32 max_memcnt;
+ u32 iop_log_start;
+ u32 iop_log_end;
+ u32 iop_log_count;
+ struct mutex iop_log_lock;
};
struct pm8001_work {
@@ -495,9 +586,13 @@ struct pm8001_fw_image_header {
#define FLASH_UPDATE_DNLD_NOT_SUPPORTED 0x10
#define FLASH_UPDATE_DISABLED 0x11
-#define NCQ_READ_LOG_FLAG 0x80000000
-#define NCQ_ABORT_ALL_FLAG 0x40000000
-#define NCQ_2ND_RLE_FLAG 0x20000000
+/* Device states */
+#define DS_OPERATIONAL 0x01
+#define DS_PORT_IN_RESET 0x02
+#define DS_IN_RECOVERY 0x03
+#define DS_IN_ERROR 0x04
+#define DS_NON_OPERATIONAL 0x07
+
/**
* brief param structure for firmware flash update.
*/
@@ -520,7 +615,7 @@ struct fw_control_info {
operations.*/
u32 reserved;/* padding required for 64 bit
alignment */
- u8 buffer[1];/* Start of buffer */
+ u8 buffer[];/* Start of buffer */
};
struct fw_control_ex {
struct fw_control_info *fw_control;
@@ -544,20 +639,15 @@ extern struct workqueue_struct *pm8001_wq;
/******************** function prototype *********************/
int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out);
-void pm8001_tag_init(struct pm8001_hba_info *pm8001_ha);
u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag);
-void pm8001_ccb_free(struct pm8001_hba_info *pm8001_ha, u32 ccb_idx);
void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
- struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx);
+ struct pm8001_ccb_info *ccb);
int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
void *funcdata);
void pm8001_scan_start(struct Scsi_Host *shost);
int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time);
-int pm8001_queue_command(struct sas_task *task, const int num,
- gfp_t gfp_flags);
+int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags);
int pm8001_abort_task(struct sas_task *task);
-int pm8001_abort_task_set(struct domain_device *dev, u8 *lun);
-int pm8001_clear_aca(struct domain_device *dev, u8 *lun);
int pm8001_clear_task_set(struct domain_device *dev, u8 *lun);
int pm8001_dev_found(struct domain_device *dev);
void pm8001_dev_gone(struct domain_device *dev);
@@ -565,6 +655,7 @@ int pm8001_lu_reset(struct domain_device *dev, u8 *lun);
int pm8001_I_T_nexus_reset(struct domain_device *dev);
int pm8001_I_T_nexus_event_handler(struct domain_device *dev);
int pm8001_query_task(struct sas_task *task);
+void pm8001_port_formed(struct asd_sas_phy *sas_phy);
void pm8001_open_reject_retry(
struct pm8001_hba_info *pm8001_ha,
struct sas_task *task_to_close,
@@ -575,8 +666,8 @@ int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha);
int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
- struct inbound_queue_table *circularQ,
- u32 opCode, void *payload, u32 responseQueue);
+ u32 q_index, u32 opCode, void *payload, size_t nb,
+ u32 responseQueue);
int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
u16 messageSize, void **messagePtr);
u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
@@ -594,10 +685,9 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
struct pm8001_ccb_info *ccb,
- struct pm8001_tmf_task *tmf);
+ struct sas_tmf_task *tmf);
int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
- struct pm8001_device *pm8001_dev,
- u8 flag, u32 task_tag, u32 cmd_tag);
+ struct pm8001_ccb_info *ccb);
int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 device_id);
void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd);
void pm8001_work_fn(struct work_struct *work);
@@ -618,20 +708,101 @@ int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
void *piomb);
-int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb);
+int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha, void *piomb);
int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
-struct sas_task *pm8001_alloc_task(void);
-void pm8001_task_done(struct sas_task *task);
-void pm8001_free_task(struct sas_task *task);
void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag);
struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
u32 device_id);
int pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha);
int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
-
+void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
+ u32 length, u8 *buf);
+void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
+ u32 phy, u32 length, u32 *buf);
+int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
+ssize_t pm80xx_get_fatal_dump(struct device *cdev,
+ struct device_attribute *attr, char *buf);
+ssize_t pm80xx_get_non_fatal_dump(struct device *cdev,
+ struct device_attribute *attr, char *buf);
+ssize_t pm8001_get_gsm_dump(struct device *cdev, u32, char *buf);
+int pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha);
+void pm80xx_fatal_error_uevent_emit(struct pm8001_hba_info *pm8001_ha,
+ enum fatal_error_reporter error_reporter);
+void pm8001_free_dev(struct pm8001_device *pm8001_dev);
/* ctl shared API */
-extern struct device_attribute *pm8001_host_attrs[];
+extern const struct attribute_group *pm8001_host_groups[];
+extern const struct attribute_group *pm8001_sdev_groups[];
+
+#define PM8001_INVALID_TAG ((u32)-1)
+
+/*
+ * Allocate a new tag and return the corresponding ccb after initializing it.
+ */
+static inline struct pm8001_ccb_info *
+pm8001_ccb_alloc(struct pm8001_hba_info *pm8001_ha,
+ struct pm8001_device *dev, struct sas_task *task)
+{
+ struct pm8001_ccb_info *ccb;
+ struct request *rq = NULL;
+ u32 tag;
+
+ if (task)
+ rq = sas_task_find_rq(task);
+
+ if (rq) {
+ tag = rq->tag + PM8001_RESERVE_SLOT;
+ } else if (pm8001_tag_alloc(pm8001_ha, &tag)) {
+ pm8001_dbg(pm8001_ha, FAIL, "Failed to allocate a tag\n");
+ return NULL;
+ }
+
+ ccb = &pm8001_ha->ccb_info[tag];
+ ccb->task = task;
+ ccb->n_elem = 0;
+ ccb->ccb_tag = tag;
+ ccb->device = dev;
+ ccb->fw_control_context = NULL;
+ ccb->open_retry = 0;
+
+ return ccb;
+}
+
+/*
+ * Free the tag of an initialized ccb.
+ */
+static inline void pm8001_ccb_free(struct pm8001_hba_info *pm8001_ha,
+ struct pm8001_ccb_info *ccb)
+{
+ u32 tag = ccb->ccb_tag;
+
+ /*
+ * Cleanup the ccb to make sure that a manual scan of the adapter
+ * ccb_info array can detect ccb's that are in use.
+ * C.f. pm8001_open_reject_retry()
+ */
+ ccb->task = NULL;
+ ccb->ccb_tag = PM8001_INVALID_TAG;
+ ccb->device = NULL;
+ ccb->fw_control_context = NULL;
+
+ pm8001_tag_free(pm8001_ha, tag);
+}
+
+static inline void pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha,
+ struct pm8001_ccb_info *ccb)
+{
+ struct sas_task *task = ccb->task;
+
+ pm8001_ccb_task_free(pm8001_ha, ccb);
+ smp_mb(); /*in order to force CPU ordering*/
+ task->task_done(task);
+}
+void pm8001_setds_completion(struct domain_device *dev);
+void pm8001_tmf_aborted(struct sas_task *task);
+void pm80xx_show_pending_commands(struct pm8001_hba_info *pm8001_ha,
+ struct pm8001_device *dev);
+u32 pm80xx_get_local_phy_id(struct domain_device *dev);
#endif
generated by cgit (git 2.34.1) at 2025-12-25 08:39:44 +0000