Commit c799d6bd authored by John Garry's avatar John Garry Committed by Martin K. Petersen
Browse files

hisi_sas: Add HW DMA structures 



Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Reviewed-by: default avatarArnd Bergmann <arnd@arndb.de>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent e26b2f40

drivers/scsi/hisi_sas/hisi_sas.h

+131 −0
Original line number Diff line number Diff line
@@ -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