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Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas.h')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas.h121
1 files changed, 98 insertions, 23 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index 42a02cc47a60..2bdd64648ef0 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -21,6 +21,7 @@
#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/regmap.h>
+#include <linux/timer.h>
#include <scsi/sas_ata.h>
#include <scsi/libsas.h>
@@ -31,7 +32,13 @@
#define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES
#define HISI_SAS_RESET_BIT 0
#define HISI_SAS_REJECT_CMD_BIT 1
-#define HISI_SAS_RESERVED_IPTT_CNT 96
+#define HISI_SAS_MAX_COMMANDS (HISI_SAS_QUEUE_SLOTS)
+#define HISI_SAS_RESERVED_IPTT 96
+#define HISI_SAS_UNRESERVED_IPTT \
+ (HISI_SAS_MAX_COMMANDS - HISI_SAS_RESERVED_IPTT)
+
+#define HISI_SAS_IOST_ITCT_CACHE_NUM 64
+#define HISI_SAS_IOST_ITCT_CACHE_DW_SZ 10
#define HISI_SAS_STATUS_BUF_SZ (sizeof(struct hisi_sas_status_buffer))
#define HISI_SAS_COMMAND_TABLE_SZ (sizeof(union hisi_sas_command_table))
@@ -78,6 +85,7 @@
#define HISI_SAS_PROT_MASK (HISI_SAS_DIF_PROT_MASK | HISI_SAS_DIX_PROT_MASK)
#define HISI_SAS_WAIT_PHYUP_TIMEOUT 20
+#define CLEAR_ITCT_TIMEOUT 20
struct hisi_hba;
@@ -128,7 +136,6 @@ struct hisi_sas_rst {
#define HISI_SAS_DECLARE_RST_WORK_ON_STACK(r) \
DECLARE_COMPLETION_ONSTACK(c); \
- DECLARE_WORK(w, hisi_sas_sync_rst_work_handler); \
struct hisi_sas_rst r = HISI_SAS_RST_WORK_INIT(r, c)
enum hisi_sas_bit_err_type {
@@ -162,6 +169,7 @@ struct hisi_sas_phy {
enum sas_linkrate minimum_linkrate;
enum sas_linkrate maximum_linkrate;
int enable;
+ atomic_t down_cnt;
};
struct hisi_sas_port {
@@ -172,10 +180,10 @@ struct hisi_sas_port {
struct hisi_sas_cq {
struct hisi_hba *hisi_hba;
- const struct cpumask *pci_irq_mask;
- struct tasklet_struct tasklet;
+ const struct cpumask *irq_mask;
int rd_point;
int id;
+ int irq_no;
};
struct hisi_sas_dq {
@@ -249,6 +257,22 @@ struct hisi_sas_debugfs_reg {
};
};
+struct hisi_sas_iost_itct_cache {
+ u32 data[HISI_SAS_IOST_ITCT_CACHE_DW_SZ];
+};
+
+enum hisi_sas_debugfs_reg_array_member {
+ DEBUGFS_GLOBAL = 0,
+ DEBUGFS_AXI,
+ DEBUGFS_RAS,
+ DEBUGFS_REGS_NUM
+};
+
+enum hisi_sas_debugfs_cache_type {
+ HISI_SAS_ITCT_CACHE,
+ HISI_SAS_IOST_CACHE,
+};
+
struct hisi_sas_hw {
int (*hw_init)(struct hisi_hba *hisi_hba);
void (*setup_itct)(struct hisi_hba *hisi_hba,
@@ -257,7 +281,6 @@ struct hisi_sas_hw {
struct domain_device *device);
struct hisi_sas_device *(*alloc_dev)(struct domain_device *device);
void (*sl_notify_ssp)(struct hisi_hba *hisi_hba, int phy_no);
- int (*get_free_slot)(struct hisi_hba *hisi_hba, struct hisi_sas_dq *dq);
void (*start_delivery)(struct hisi_sas_dq *dq);
void (*prep_ssp)(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot);
@@ -268,8 +291,6 @@ struct hisi_sas_hw {
void (*prep_abort)(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot,
int device_id, int abort_flag, int tag_to_abort);
- int (*slot_complete)(struct hisi_hba *hisi_hba,
- struct hisi_sas_slot *slot);
void (*phys_init)(struct hisi_hba *hisi_hba);
void (*phy_start)(struct hisi_hba *hisi_hba, int phy_no);
void (*phy_disable)(struct hisi_hba *hisi_hba, int phy_no);
@@ -278,8 +299,8 @@ struct hisi_sas_hw {
void (*phy_set_linkrate)(struct hisi_hba *hisi_hba, int phy_no,
struct sas_phy_linkrates *linkrates);
enum sas_linkrate (*phy_get_max_linkrate)(void);
- void (*clear_itct)(struct hisi_hba *hisi_hba,
- struct hisi_sas_device *dev);
+ int (*clear_itct)(struct hisi_hba *hisi_hba,
+ struct hisi_sas_device *dev);
void (*free_device)(struct hisi_sas_device *sas_dev);
int (*get_wideport_bitmap)(struct hisi_hba *hisi_hba, int port_id);
void (*dereg_device)(struct hisi_hba *hisi_hba,
@@ -288,18 +309,59 @@ struct hisi_sas_hw {
u32 (*get_phys_state)(struct hisi_hba *hisi_hba);
int (*write_gpio)(struct hisi_hba *hisi_hba, u8 reg_type,
u8 reg_index, u8 reg_count, u8 *write_data);
- int (*wait_cmds_complete_timeout)(struct hisi_hba *hisi_hba,
- int delay_ms, int timeout_ms);
+ void (*wait_cmds_complete_timeout)(struct hisi_hba *hisi_hba,
+ int delay_ms, int timeout_ms);
void (*snapshot_prepare)(struct hisi_hba *hisi_hba);
void (*snapshot_restore)(struct hisi_hba *hisi_hba);
- int max_command_entries;
+ int (*set_bist)(struct hisi_hba *hisi_hba, bool enable);
+ void (*read_iost_itct_cache)(struct hisi_hba *hisi_hba,
+ enum hisi_sas_debugfs_cache_type type,
+ u32 *cache);
int complete_hdr_size;
struct scsi_host_template *sht;
- const struct hisi_sas_debugfs_reg *debugfs_reg_global;
+ const struct hisi_sas_debugfs_reg *debugfs_reg_array[DEBUGFS_REGS_NUM];
const struct hisi_sas_debugfs_reg *debugfs_reg_port;
};
+#define HISI_SAS_MAX_DEBUGFS_DUMP (50)
+
+struct hisi_sas_debugfs_cq {
+ struct hisi_sas_cq *cq;
+ void *complete_hdr;
+};
+
+struct hisi_sas_debugfs_dq {
+ struct hisi_sas_dq *dq;
+ struct hisi_sas_cmd_hdr *hdr;
+};
+
+struct hisi_sas_debugfs_regs {
+ struct hisi_hba *hisi_hba;
+ u32 *data;
+};
+
+struct hisi_sas_debugfs_port {
+ struct hisi_sas_phy *phy;
+ u32 *data;
+};
+
+struct hisi_sas_debugfs_iost {
+ struct hisi_sas_iost *iost;
+};
+
+struct hisi_sas_debugfs_itct {
+ struct hisi_sas_itct *itct;
+};
+
+struct hisi_sas_debugfs_iost_cache {
+ struct hisi_sas_iost_itct_cache *cache;
+};
+
+struct hisi_sas_debugfs_itct_cache {
+ struct hisi_sas_iost_itct_cache *cache;
+};
+
struct hisi_hba {
/* This must be the first element, used by SHOST_TO_SAS_HA */
struct sas_ha_struct *p;
@@ -371,17 +433,30 @@ struct hisi_hba {
int cq_nvecs;
unsigned int *reply_map;
- /* debugfs memories */
- u32 *debugfs_global_reg;
- u32 *debugfs_port_reg[HISI_SAS_MAX_PHYS];
- void *debugfs_complete_hdr[HISI_SAS_MAX_QUEUES];
- struct hisi_sas_cmd_hdr *debugfs_cmd_hdr[HISI_SAS_MAX_QUEUES];
- struct hisi_sas_iost *debugfs_iost;
- struct hisi_sas_itct *debugfs_itct;
+ /* bist */
+ enum sas_linkrate debugfs_bist_linkrate;
+ int debugfs_bist_code_mode;
+ int debugfs_bist_phy_no;
+ int debugfs_bist_mode;
+ u32 debugfs_bist_cnt;
+ int debugfs_bist_enable;
+ /* debugfs memories */
+ /* Put Global AXI and RAS Register into register array */
+ struct hisi_sas_debugfs_regs debugfs_regs[HISI_SAS_MAX_DEBUGFS_DUMP][DEBUGFS_REGS_NUM];
+ struct hisi_sas_debugfs_port debugfs_port_reg[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_PHYS];
+ struct hisi_sas_debugfs_cq debugfs_cq[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_QUEUES];
+ struct hisi_sas_debugfs_dq debugfs_dq[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_QUEUES];
+ struct hisi_sas_debugfs_iost debugfs_iost[HISI_SAS_MAX_DEBUGFS_DUMP];
+ struct hisi_sas_debugfs_itct debugfs_itct[HISI_SAS_MAX_DEBUGFS_DUMP];
+ struct hisi_sas_debugfs_iost_cache debugfs_iost_cache[HISI_SAS_MAX_DEBUGFS_DUMP];
+ struct hisi_sas_debugfs_itct_cache debugfs_itct_cache[HISI_SAS_MAX_DEBUGFS_DUMP];
+
+ u64 debugfs_timestamp[HISI_SAS_MAX_DEBUGFS_DUMP];
+ int debugfs_dump_index;
struct dentry *debugfs_dir;
struct dentry *debugfs_dump_dentry;
- bool debugfs_snapshot;
+ struct dentry *debugfs_bist_dentry;
};
/* Generic HW DMA host memory structures */
@@ -523,6 +598,7 @@ struct hisi_sas_slot_dif_buf_table {
extern struct scsi_transport_template *hisi_sas_stt;
extern bool hisi_sas_debugfs_enable;
+extern u32 hisi_sas_debugfs_dump_count;
extern struct dentry *hisi_sas_debugfs_dir;
extern void hisi_sas_stop_phys(struct hisi_hba *hisi_hba);
@@ -533,7 +609,6 @@ extern u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis,
extern struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port);
extern void hisi_sas_sata_done(struct sas_task *task,
struct hisi_sas_slot *slot);
-extern int hisi_sas_get_ncq_tag(struct sas_task *task, u32 *tag);
extern int hisi_sas_get_fw_info(struct hisi_hba *hisi_hba);
extern int hisi_sas_probe(struct platform_device *pdev,
const struct hisi_sas_hw *ops);
@@ -552,7 +627,7 @@ extern void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba,
extern void hisi_sas_init_mem(struct hisi_hba *hisi_hba);
extern void hisi_sas_rst_work_handler(struct work_struct *work);
extern void hisi_sas_sync_rst_work_handler(struct work_struct *work);
-extern void hisi_sas_kill_tasklets(struct hisi_hba *hisi_hba);
+extern void hisi_sas_sync_irqs(struct hisi_hba *hisi_hba);
extern void hisi_sas_phy_oob_ready(struct hisi_hba *hisi_hba, int phy_no);
extern bool hisi_sas_notify_phy_event(struct hisi_sas_phy *phy,
enum hisi_sas_phy_event event);
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