diff options
| author | Santosh Vernekar <santosh.vernekar@qlogic.com> | 2013-08-23 11:40:18 +0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-09-03 18:27:56 +0400 |
| commit | 41f79bde1d4e18fcd336dd5b6999ab9588daea54 (patch) | |
| tree | 11789ccc92b3b58790105734c205a633829cb36a /drivers/scsi/qla4xxx/ql4_83xx.h | |
| parent | 909ee499c1c85e99ed3f9e99caf13a89f4de3d3a (diff) | |
| download | linux-41f79bde1d4e18fcd336dd5b6999ab9588daea54.tar.xz | |
[SCSI] qla4xxx: Add pex-dma support for capturing minidump
Add pex-dma support for ISP8324 and ISP8042 to improve
the minidump capture time.
Signed-off-by: Santosh Vernekar <santosh.vernekar@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_83xx.h')
| -rw-r--r-- | drivers/scsi/qla4xxx/ql4_83xx.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_83xx.h b/drivers/scsi/qla4xxx/ql4_83xx.h index 1b8c544a03e7..a0de6e25ea5a 100644 --- a/drivers/scsi/qla4xxx/ql4_83xx.h +++ b/drivers/scsi/qla4xxx/ql4_83xx.h @@ -290,4 +290,38 @@ struct qla4_83xx_idc_information { uint32_t info3; /* IDC additional info */ }; +#define QLA83XX_PEX_DMA_ENGINE_INDEX 8 +#define QLA83XX_PEX_DMA_BASE_ADDRESS 0x77320000 +#define QLA83XX_PEX_DMA_NUM_OFFSET 0x10000 +#define QLA83XX_PEX_DMA_CMD_ADDR_LOW 0x0 +#define QLA83XX_PEX_DMA_CMD_ADDR_HIGH 0x04 +#define QLA83XX_PEX_DMA_CMD_STS_AND_CNTRL 0x08 + +#define QLA83XX_PEX_DMA_READ_SIZE (16 * 1024) +#define QLA83XX_PEX_DMA_MAX_WAIT (100 * 100) /* Max wait of 100 msecs */ + +/* Read Memory: For Pex-DMA */ +struct qla4_83xx_minidump_entry_rdmem_pex_dma { + struct qla8xxx_minidump_entry_hdr h; + uint32_t desc_card_addr; + uint16_t dma_desc_cmd; + uint8_t rsvd[2]; + uint32_t start_dma_cmd; + uint8_t rsvd2[12]; + uint32_t read_addr; + uint32_t read_data_size; +}; + +struct qla4_83xx_pex_dma_descriptor { + struct { + uint32_t read_data_size; /* 0-23: size, 24-31: rsvd */ + uint8_t rsvd[2]; + uint16_t dma_desc_cmd; + } cmd; + uint64_t src_addr; + uint64_t dma_bus_addr; /* 0-3: desc-cmd, 4-7: pci-func, + * 8-15: desc-cmd */ + uint8_t rsvd[24]; +} __packed; + #endif |