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| author | John Garry <john.garry@huawei.com> | 2015-11-17 19:50:49 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2015-11-26 06:13:02 +0300 |
| commit | 42e7a69368a5855b36cbaff130e58e2cc9976ff3 (patch) | |
| tree | 88ee1fe180e6ae2048490475759835b1e016659f /drivers/scsi/hisi_sas/hisi_sas.h | |
| parent | 66139921973db60c2fc93a4d467c3c574d9657a0 (diff) | |
| download | linux-42e7a69368a5855b36cbaff130e58e2cc9976ff3.tar.xz | |
hisi_sas: Add ssp command function
Add path to send ssp command to HW.
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas.h')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 837d13976e6f..72657eb770f6 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -35,6 +35,8 @@ #define HISI_SAS_COMMAND_TABLE_SZ \ (((sizeof(union hisi_sas_command_table)+3)/4)*4) +#define HISI_SAS_MAX_SSP_RESP_SZ (sizeof(struct ssp_frame_hdr) + 1024) + #define HISI_SAS_NAME_LEN 32 @@ -80,15 +82,41 @@ struct hisi_sas_cq { struct hisi_sas_device { enum sas_device_type dev_type; u64 device_id; + u64 running_req; u8 dev_status; }; struct hisi_sas_slot { + struct list_head entry; + struct sas_task *task; + struct hisi_sas_port *port; + u64 n_elem; + int dlvry_queue; + int dlvry_queue_slot; + int idx; + void *cmd_hdr; + dma_addr_t cmd_hdr_dma; + void *status_buffer; + dma_addr_t status_buffer_dma; + void *command_table; + dma_addr_t command_table_dma; + struct hisi_sas_sge_page *sge_page; + dma_addr_t sge_page_dma; +}; + +struct hisi_sas_tmf_task { + u8 tmf; + u16 tag_of_task_to_be_managed; }; struct hisi_sas_hw { int (*hw_init)(struct hisi_hba *hisi_hba); void (*sl_notify)(struct hisi_hba *hisi_hba, int phy_no); + int (*get_free_slot)(struct hisi_hba *hisi_hba, int *q, int *s); + void (*start_delivery)(struct hisi_hba *hisi_hba); + int (*prep_ssp)(struct hisi_hba *hisi_hba, + struct hisi_sas_slot *slot, int is_tmf, + struct hisi_sas_tmf_task *tmf); int complete_hdr_size; }; @@ -122,7 +150,9 @@ struct hisi_hba { struct hisi_sas_port port[HISI_SAS_MAX_PHYS]; int queue_count; + int queue; char *int_names; + struct hisi_sas_slot *slot_prep; struct dma_pool *sge_page_pool; struct hisi_sas_device devices[HISI_SAS_MAX_DEVICES]; |