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Subject[PATCH v4 06/32] scsi: hisi_sas: add HW DMA structures
Date
Signed-off-by: John Garry <john.garry@huawei.com>
---
drivers/scsi/hisi_sas/hisi_sas.h | 131 +++++++++++++++++++++++++++++++++++++++
1 file changed, 131 insertions(+)

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
--
1.9.1


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