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| author | Damien Le Moal <damien.lemoal@opensource.wdc.com> | 2022-02-20 06:17:54 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-08 15:23:34 +0300 |
| commit | c6c95cdd513891ee1349d58ef5e9fdc58186221b (patch) | |
| tree | 21774ea2ae392db29063611e6cdaf242b2ef9710 /drivers/scsi/pm8001 | |
| parent | e4fce9af88ec1eedae8be719cb1154bb6d45e686 (diff) | |
| download | linux-c6c95cdd513891ee1349d58ef5e9fdc58186221b.tar.xz | |
scsi: pm8001: Fix NCQ NON DATA command completion handling
[ Upstream commit 1d6736c3e162061dc811c76e605f35ef3234bffa ]
NCQ NON DATA is an NCQ command with the DMA_NONE DMA direction and so a
register-device-to-host-FIS response is expected for it.
However, for an IO_SUCCESS case, mpi_sata_completion() expects a
set-device-bits-FIS for any ata task with an use_ncq field true, which
includes NCQ NON DATA commands.
Fix this to correctly treat NCQ NON DATA commands as non-data by also
testing for the DMA_NONE DMA direction.
Link: https://lore.kernel.org/r/20220220031810.738362-16-damien.lemoal@opensource.wdc.com
Fixes: dbf9bfe61571 ("[SCSI] pm8001: add SAS/SATA HBA driver")
Reviewed-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/scsi/pm8001')
| -rw-r--r-- | drivers/scsi/pm8001/pm8001_hwi.c | 3 | ||||
| -rw-r--r-- | drivers/scsi/pm8001/pm80xx_hwi.c | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index e9c77c945752..d50eb22b2506 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -2421,7 +2421,8 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) len = sizeof(struct pio_setup_fis); pm8001_dbg(pm8001_ha, IO, "PIO read len = %d\n", len); - } else if (t->ata_task.use_ncq) { + } else if (t->ata_task.use_ncq && + t->data_dir != DMA_NONE) { len = sizeof(struct set_dev_bits_fis); pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n", len); diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index 043a2cc4d4de..3c2f2fbdb432 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -2518,7 +2518,8 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, len = sizeof(struct pio_setup_fis); pm8001_dbg(pm8001_ha, IO, "PIO read len = %d\n", len); - } else if (t->ata_task.use_ncq) { + } else if (t->ata_task.use_ncq && + t->data_dir != DMA_NONE) { len = sizeof(struct set_dev_bits_fis); pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n", len); |