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| author | Joe Carnuccio <joe.carnuccio@cavium.com> | 2017-08-24 00:05:17 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-08-25 04:29:29 +0200 |
| commit | 1f4c7c380b2f0cbd060b8582a1723b3a98f354d2 (patch) | |
| tree | 256e423e45bdc0b76e20264d4f2b272957803570 /drivers/scsi/qla2xxx/qla_fw.h | |
| parent | scsi: qla2xxx: Add support for minimum link speed (diff) | |
| download | linux-1f4c7c380b2f0cbd060b8582a1723b3a98f354d2.tar.xz linux-1f4c7c380b2f0cbd060b8582a1723b3a98f354d2.zip | |
scsi: qla2xxx: Add LR distance support from nvram bit
Signed-off-by: Joe Carnuccio <joe.carnuccio@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_fw.h')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_fw.h | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h index 94eb1694fc3e..bec641aae7b3 100644 --- a/drivers/scsi/qla2xxx/qla_fw.h +++ b/drivers/scsi/qla2xxx/qla_fw.h @@ -1699,6 +1699,15 @@ struct access_chip_rsp_84xx { #define FAC_OPT_CMD_UNLOCK_SEMAPHORE 0x04 #define FAC_OPT_CMD_GET_SECTOR_SIZE 0x05 +/* enhanced features bit definitions */ +#define NEF_LR_DIST_ENABLE BIT_0 + +/* LR Distance bit positions */ +#define LR_DIST_NV_POS 2 +#define LR_DIST_FW_POS 12 +#define LR_DIST_FW_SHIFT (LR_DIST_FW_POS - LR_DIST_NV_POS) +#define LR_DIST_FW_FIELD(x) ((x) << LR_DIST_FW_SHIFT & 0xf000) + struct nvram_81xx { /* NVRAM header. */ uint8_t id[4]; @@ -1841,16 +1850,13 @@ struct nvram_81xx { uint8_t reserved_21[16]; uint16_t reserved_22[3]; - /* - * BIT 0 = Extended BB credits for LR - * BIT 1 = Virtual Fabric Enable - * BIT 2 = Enhanced Features Unused - * BIT 3-7 = Enhanced Features Reserved + /* Offset 406 (0x196) Enhanced Features + * BIT 0 = Extended BB credits for LR + * BIT 1 = Virtual Fabric Enable + * BIT 2-5 = Distance Support if BIT 0 is on + * BIT 6-15 = Unused */ - /* Enhanced Features */ - uint8_t enhanced_features; - - uint8_t reserved_23; + uint16_t enhanced_features; uint16_t reserved_24[4]; /* Offset 416. */ |