diff options
| author | Igor Pylypiv <ipylypiv@google.com> | 2023-08-20 00:30:40 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-08-22 00:11:41 +0300 |
| commit | 54543295955164fd463b6fe9e0f4724199cfe62a (patch) | |
| tree | 95dbe1538dfc5ff51ba979e06e91b2f1456b6fd1 /drivers/scsi/pm8001/pm80xx_hwi.c | |
| parent | 72875018f638d02db09f74cbe181dc76a75bc970 (diff) | |
| download | linux-54543295955164fd463b6fe9e0f4724199cfe62a.tar.xz | |
scsi: pm80xx: Set RETFIS when requested by libsas
By default PM80xx HBAs return FIS only when a drive reports an error.
The RETFIS bit forces the controller to populate FIS even when a drive
reports no error.
Signed-off-by: Igor Pylypiv <ipylypiv@google.com>
Link: https://lore.kernel.org/r/20230819213040.1101044-3-ipylypiv@google.com
Reviewed-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/pm8001/pm80xx_hwi.c')
| -rw-r--r-- | drivers/scsi/pm8001/pm80xx_hwi.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 39a12ee94a72..a5021577a15f 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -4457,7 +4457,7 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, u64 phys_addr, end_addr; u32 end_addr_high, end_addr_low; u32 ATAP = 0x0; - u32 dir; + u32 dir, retfis = 0; u32 opc = OPC_INB_SATA_HOST_OPSTART; memset(&sata_cmd, 0, sizeof(sata_cmd)); @@ -4487,7 +4487,8 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, sata_cmd.tag = cpu_to_le32(tag); sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id); sata_cmd.data_len = cpu_to_le32(task->total_xfer_len); - + if (task->ata_task.return_fis_on_success) + retfis = 1; sata_cmd.sata_fis = task->ata_task.fis; if (likely(!task->ata_task.device_control_reg_update)) sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */ @@ -4500,12 +4501,10 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, "Encryption enabled.Sending Encrypt SATA cmd 0x%x\n", sata_cmd.sata_fis.command); opc = OPC_INB_SATA_DIF_ENC_IO; - - /* set encryption bit */ - sata_cmd.ncqtag_atap_dir_m_dad = - cpu_to_le32(((ncg_tag & 0xff)<<16)| - ((ATAP & 0x3f) << 10) | 0x20 | dir); - /* dad (bit 0-1) is 0 */ + /* set encryption bit; dad (bits 0-1) is 0 */ + sata_cmd.retfis_ncqtag_atap_dir_m_dad = + cpu_to_le32((retfis << 24) | ((ncg_tag & 0xff) << 16) | + ((ATAP & 0x3f) << 10) | 0x20 | dir); /* fill in PRD (scatter/gather) table, if any */ if (task->num_scatter > 1) { pm8001_chip_make_sg(task->scatter, @@ -4568,11 +4567,10 @@ static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha, pm8001_dbg(pm8001_ha, IO, "Sending Normal SATA command 0x%x inb %x\n", sata_cmd.sata_fis.command, q_index); - /* dad (bit 0-1) is 0 */ - sata_cmd.ncqtag_atap_dir_m_dad = - cpu_to_le32(((ncg_tag & 0xff)<<16) | - ((ATAP & 0x3f) << 10) | dir); - + /* dad (bits 0-1) is 0 */ + sata_cmd.retfis_ncqtag_atap_dir_m_dad = + cpu_to_le32((retfis << 24) | ((ncg_tag & 0xff) << 16) | + ((ATAP & 0x3f) << 10) | dir); /* fill in PRD (scatter/gather) table, if any */ if (task->num_scatter > 1) { pm8001_chip_make_sg(task->scatter, |