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author | John Garry <john.garry@huawei.com> | 2015-11-17 16:50:33 (GMT) |
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committer | Martin K. Petersen <martin.petersen@oracle.com> | 2015-11-26 03:12:53 (GMT) |
commit | c799d6bd8fe4a82333fd11f8699f621e10af2f4b (patch) | |
tree | 983071af79a6c496ea0bdf24674741d00bfd62dd /drivers/scsi/hisi_sas/hisi_sas.h | |
parent | e26b2f405a6a65c0ce0ea168aef7d4607ec7ad80 (diff) | |
download | linux-c799d6bd8fe4a82333fd11f8699f621e10af2f4b.tar.xz |
hisi_sas: Add HW DMA structures
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 | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 87f4b61..19d40b7 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -66,5 +66,136 @@ struct hisi_hba { const struct hisi_sas_hw *hw; /* Low level hw interface */ }; +/* Generic HW DMA host memory structures */ +/* Delivery queue header */ +struct hisi_sas_cmd_hdr { + /* dw0 */ + __le32 dw0; + + /* dw1 */ + __le32 dw1; + + /* dw2 */ + __le32 dw2; + + /* dw3 */ + __le32 transfer_tags; + + /* dw4 */ + __le32 data_transfer_len; + + /* dw5 */ + __le32 first_burst_num; + + /* dw6 */ + __le32 sg_len; + + /* dw7 */ + __le32 dw7; + + /* dw8-9 */ + __le64 cmd_table_addr; + + /* dw10-11 */ + __le64 sts_buffer_addr; + + /* dw12-13 */ + __le64 prd_table_addr; + + /* dw14-15 */ + __le64 dif_prd_table_addr; +}; + +struct hisi_sas_itct { + __le64 qw0; + __le64 sas_addr; + __le64 qw2; + __le64 qw3; + __le64 qw4; + __le64 qw_sata_ncq0_3; + __le64 qw_sata_ncq7_4; + __le64 qw_sata_ncq11_8; + __le64 qw_sata_ncq15_12; + __le64 qw_sata_ncq19_16; + __le64 qw_sata_ncq23_20; + __le64 qw_sata_ncq27_24; + __le64 qw_sata_ncq31_28; + __le64 qw_non_ncq_iptt; + __le64 qw_rsvd0; + __le64 qw_rsvd1; +}; + +struct hisi_sas_iost { + __le64 qw0; + __le64 qw1; + __le64 qw2; + __le64 qw3; +}; + +struct hisi_sas_err_record { + /* dw0 */ + __le32 dma_err_type; + + /* dw1 */ + __le32 trans_tx_fail_type; + + /* dw2 */ + __le32 trans_rx_fail_type; + + /* dw3 */ + u32 rsvd; +}; + +struct hisi_sas_initial_fis { + struct hisi_sas_err_record err_record; + struct dev_to_host_fis fis; + u32 rsvd[3]; +}; + +struct hisi_sas_breakpoint { + u8 data[128]; /*io128 byte*/ +}; + +struct hisi_sas_sge { + __le64 addr; + __le32 page_ctrl_0; + __le32 page_ctrl_1; + __le32 data_len; + __le32 data_off; +}; + +struct hisi_sas_command_table_smp { + u8 bytes[44]; +}; + +struct hisi_sas_command_table_stp { + struct host_to_dev_fis command_fis; + u8 dummy[12]; + u8 atapi_cdb[ATAPI_CDB_LEN]; +}; + #define HISI_SAS_SGE_PAGE_CNT SCSI_MAX_SG_SEGMENTS +struct hisi_sas_sge_page { + struct hisi_sas_sge sge[HISI_SAS_SGE_PAGE_CNT]; +}; + +struct hisi_sas_command_table_ssp { + struct ssp_frame_hdr hdr; + union { + struct { + struct ssp_command_iu task; + u32 prot[6]; + }; + struct ssp_tmf_iu ssp_task; + struct xfer_rdy_iu xfer_rdy; + struct ssp_response_iu ssp_res; + } u; +}; + +union hisi_sas_command_table { + struct hisi_sas_command_table_ssp ssp; + struct hisi_sas_command_table_smp smp; + struct hisi_sas_command_table_stp stp; +}; + #endif |