xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

scsi: lpfc: Add Buffer to Buffer credit recovery support

Browse Source 
Add Buffer to buffer credit recovery support to the driver.  This is a
negotiated feature with the peer that allows for both sides to detect
dropped RRDY's and FC Frames and recover credit.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart
2017-08-23 16:55:47 -07:00
committed by Martin K. Petersen
parent d58734f05f
commit 44fd7fe3dd
10 changed files with 162 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/scsi/lpfc/lpfc_hw4.h
View File

@@ -2217,9 +2217,15 @@ struct lpfc_mbx_reg_vfi {
uint32_t e_d_tov;
uint32_t r_a_tov;
uint32_t word10;
#define lpfc_reg_vfi_nport_id_SHIFT 0
#define lpfc_reg_vfi_nport_id_MASK 0x00FFFFFF
#define lpfc_reg_vfi_nport_id_WORD word10
#define lpfc_reg_vfi_nport_id_SHIFT 0
#define lpfc_reg_vfi_nport_id_MASK 0x00FFFFFF
#define lpfc_reg_vfi_nport_id_WORD word10
#define lpfc_reg_vfi_bbcr_SHIFT 27
#define lpfc_reg_vfi_bbcr_MASK 0x00000001
#define lpfc_reg_vfi_bbcr_WORD word10
#define lpfc_reg_vfi_bbscn_SHIFT 28
#define lpfc_reg_vfi_bbscn_MASK 0x0000000F
#define lpfc_reg_vfi_bbscn_WORD word10
};
struct lpfc_mbx_init_vpi {
@@ -2646,7 +2652,16 @@ struct lpfc_mbx_read_config {
#define lpfc_mbx_rd_conf_link_speed_MASK 0x0000FFFF
#define lpfc_mbx_rd_conf_link_speed_WORD word6
uint32_t rsvd_7;
uint32_t rsvd_8;
uint32_t word8;
#define lpfc_mbx_rd_conf_bbscn_min_SHIFT 0
#define lpfc_mbx_rd_conf_bbscn_min_MASK 0x0000000F
#define lpfc_mbx_rd_conf_bbscn_min_WORD word8
#define lpfc_mbx_rd_conf_bbscn_max_SHIFT 4
#define lpfc_mbx_rd_conf_bbscn_max_MASK 0x0000000F
#define lpfc_mbx_rd_conf_bbscn_max_WORD word8
#define lpfc_mbx_rd_conf_bbscn_def_SHIFT 8
#define lpfc_mbx_rd_conf_bbscn_def_MASK 0x0000000F
#define lpfc_mbx_rd_conf_bbscn_def_WORD word8
uint32_t word9;
#define lpfc_mbx_rd_conf_lmt_SHIFT 0
#define lpfc_mbx_rd_conf_lmt_MASK 0x0000FFFF