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| author | Joe Carnuccio <joe.carnuccio@qlogic.com> | 2014-04-11 16:54:37 -0400 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-05-19 13:31:04 +0200 |
| commit | 7c6300e3941da8e84bf5faf1358bf3909c5ef97e (patch) | |
| tree | ea02446a9501baeb915d8ef39fa74f97cb7271bf /drivers/scsi/qla2xxx/qla_def.h | |
| parent | c04964017ac418d8d559aa32fd2ad6876fa162f7 (diff) | |
| download | lwn-7c6300e3941da8e84bf5faf1358bf3909c5ef97e.tar.gz lwn-7c6300e3941da8e84bf5faf1358bf3909c5ef97e.zip | |
qla2xxx: ISP27xx queue index shadow registers.
For ISP27xx use the request/response queue index shadow registers
to avoid directly access them on the PCI bus.
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_def.h')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 6c9724c1c5a4..5c590d40e676 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2685,6 +2685,7 @@ struct rsp_que { uint32_t __iomem *rsp_q_out; uint16_t ring_index; uint16_t out_ptr; + uint16_t *in_ptr; /* queue shadow in index */ uint16_t length; uint16_t options; uint16_t rid; @@ -2711,6 +2712,7 @@ struct req_que { uint32_t __iomem *req_q_out; uint16_t ring_index; uint16_t in_ptr; + uint16_t *out_ptr; /* queue shadow out index */ uint16_t cnt; uint16_t length; uint16_t options; @@ -3019,6 +3021,7 @@ struct qla_hw_data { (((ha)->fw_attributes_h << 16 | (ha)->fw_attributes) & BIT_22)) #define IS_ATIO_MSIX_CAPABLE(ha) (IS_QLA83XX(ha)) #define IS_TGT_MODE_CAPABLE(ha) (ha->tgt.atio_q_length) +#define IS_SHADOW_REG_CAPABLE(ha) (IS_QLA27XX(ha)) /* HBA serial number */ uint8_t serial0; |