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scsi: hisi_sas: add v3 code to send internal abort command 

Add code to prepare internal abort command.

Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
hifive-unleashed-5.1
Xiang Chen 2017-06-14 23:33:29 +08:00 committed by Martin K. Petersen
parent 182e7222eb
commit 4de0ca69e5
1 changed files with 38 additions and 0 deletions
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38
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
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@ -165,6 +165,10 @@
/* HW dma structures */
/* Delivery queue header */
/* dw0 */
#define CMD_HDR_ABORT_FLAG_OFF 0
#define CMD_HDR_ABORT_FLAG_MSK (0x3 << CMD_HDR_ABORT_FLAG_OFF)
#define CMD_HDR_ABORT_DEVICE_TYPE_OFF 2
#define CMD_HDR_ABORT_DEVICE_TYPE_MSK (0x1 << CMD_HDR_ABORT_DEVICE_TYPE_OFF)
#define CMD_HDR_RESP_REPORT_OFF 5
#define CMD_HDR_RESP_REPORT_MSK (0x1 << CMD_HDR_RESP_REPORT_OFF)
#define CMD_HDR_TLR_CTRL_OFF 6
@ -204,6 +208,11 @@
#define CMD_HDR_DIF_SGL_LEN_MSK (0xffff << CMD_HDR_DIF_SGL_LEN_OFF)
#define CMD_HDR_DATA_SGL_LEN_OFF 16
#define CMD_HDR_DATA_SGL_LEN_MSK (0xffff << CMD_HDR_DATA_SGL_LEN_OFF)
/* dw7 */
#define CMD_HDR_ADDR_MODE_SEL_OFF 15
#define CMD_HDR_ADDR_MODE_SEL_MSK (1 << CMD_HDR_ADDR_MODE_SEL_OFF)
#define CMD_HDR_ABORT_IPTT_OFF 16
#define CMD_HDR_ABORT_IPTT_MSK (0xffff << CMD_HDR_ABORT_IPTT_OFF)
/* Completion header */
/* dw0 */
@ -942,6 +951,34 @@ static int prep_ata_v3_hw(struct hisi_hba *hisi_hba,
return 0;
}
static int prep_abort_v3_hw(struct hisi_hba *hisi_hba,
struct hisi_sas_slot *slot,
int device_id, int abort_flag, int tag_to_abort)
{
struct sas_task *task = slot->task;
struct domain_device *dev = task->dev;
struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
struct hisi_sas_port *port = slot->port;
/* dw0 */
hdr->dw0 = cpu_to_le32((5 << CMD_HDR_CMD_OFF) | /*abort*/
(port->id << CMD_HDR_PORT_OFF) |
((dev_is_sata(dev) ? 1:0)
<< CMD_HDR_ABORT_DEVICE_TYPE_OFF) |
(abort_flag
<< CMD_HDR_ABORT_FLAG_OFF));
/* dw1 */
hdr->dw1 = cpu_to_le32(device_id
<< CMD_HDR_DEV_ID_OFF);
/* dw7 */
hdr->dw7 = cpu_to_le32(tag_to_abort << CMD_HDR_ABORT_IPTT_OFF);
hdr->transfer_tags = cpu_to_le32(slot->idx);
return 0;
}
static int phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
{
int i, res = 0;
@ -1519,6 +1556,7 @@ static const struct hisi_sas_hw hisi_sas_v3_hw = {
.prep_ssp = prep_ssp_v3_hw,
.prep_smp = prep_smp_v3_hw,
.prep_stp = prep_ata_v3_hw,
.prep_abort = prep_abort_v3_hw,
.get_free_slot = get_free_slot_v3_hw,
.start_delivery = start_delivery_v3_hw,
.slot_complete = slot_complete_v3_hw,