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| author | Damien Le Moal <dlemoal@kernel.org> | 2024-10-22 05:45:35 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-03-13 19:20:23 +0300 |
| commit | bcb93aeed8b2edbdb8666a4af41ebccae5b39e99 (patch) | |
| tree | 95a937399bbc76cc330121c3d25da812fc6a4846 /drivers/ata | |
| parent | b057df3393611bd687af32e2c6e798cd2793dbe6 (diff) | |
| download | linux-bcb93aeed8b2edbdb8666a4af41ebccae5b39e99.tar.xz | |
ata: libata-scsi: Document all VPD page inquiry actors
[ Upstream commit 47000e84b3d0630d7d86eeb115894205be68035d ]
Add the missing kdoc comments for the ata_scsiop_inq_XX functions used
to emulate access to VPD pages.
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20241022024537.251905-5-dlemoal@kernel.org
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Stable-dep-of: 0ea84089dbf6 ("ata: libata-scsi: avoid Non-NCQ command starvation")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index c214f0832714..a38d912a0497 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2086,6 +2086,16 @@ static unsigned int ata_scsiop_inq_89(struct ata_scsi_args *args, u8 *rbuf) return 0; } +/** + * ata_scsiop_inq_b0 - Simulate INQUIRY VPD page B0, Block Limits + * @args: device IDENTIFY data / SCSI command of interest. + * @rbuf: Response buffer, to which simulated SCSI cmd output is sent. + * + * Return data for the VPD page B0h (Block Limits). + * + * LOCKING: + * spin_lock_irqsave(host lock) + */ static unsigned int ata_scsiop_inq_b0(struct ata_scsi_args *args, u8 *rbuf) { struct ata_device *dev = args->dev; @@ -2126,6 +2136,17 @@ static unsigned int ata_scsiop_inq_b0(struct ata_scsi_args *args, u8 *rbuf) return 0; } +/** + * ata_scsiop_inq_b1 - Simulate INQUIRY VPD page B1, Block Device + * Characteristics + * @args: device IDENTIFY data / SCSI command of interest. + * @rbuf: Response buffer, to which simulated SCSI cmd output is sent. + * + * Return data for the VPD page B1h (Block Device Characteristics). + * + * LOCKING: + * spin_lock_irqsave(host lock) + */ static unsigned int ata_scsiop_inq_b1(struct ata_scsi_args *args, u8 *rbuf) { int form_factor = ata_id_form_factor(args->id); @@ -2143,6 +2164,17 @@ static unsigned int ata_scsiop_inq_b1(struct ata_scsi_args *args, u8 *rbuf) return 0; } +/** + * ata_scsiop_inq_b2 - Simulate INQUIRY VPD page B2, Logical Block + * Provisioning + * @args: device IDENTIFY data / SCSI command of interest. + * @rbuf: Response buffer, to which simulated SCSI cmd output is sent. + * + * Return data for the VPD page B2h (Logical Block Provisioning). + * + * LOCKING: + * spin_lock_irqsave(host lock) + */ static unsigned int ata_scsiop_inq_b2(struct ata_scsi_args *args, u8 *rbuf) { /* SCSI Thin Provisioning VPD page: SBC-3 rev 22 or later */ @@ -2153,6 +2185,17 @@ static unsigned int ata_scsiop_inq_b2(struct ata_scsi_args *args, u8 *rbuf) return 0; } +/** + * ata_scsiop_inq_b6 - Simulate INQUIRY VPD page B6, Zoned Block Device + * Characteristics + * @args: device IDENTIFY data / SCSI command of interest. + * @rbuf: Response buffer, to which simulated SCSI cmd output is sent. + * + * Return data for the VPD page B2h (Zoned Block Device Characteristics). + * + * LOCKING: + * spin_lock_irqsave(host lock) + */ static unsigned int ata_scsiop_inq_b6(struct ata_scsi_args *args, u8 *rbuf) { if (!(args->dev->flags & ATA_DFLAG_ZAC)) { @@ -2178,6 +2221,17 @@ static unsigned int ata_scsiop_inq_b6(struct ata_scsi_args *args, u8 *rbuf) return 0; } +/** + * ata_scsiop_inq_b9 - Simulate INQUIRY VPD page B9, Concurrent Positioning + * Ranges + * @args: device IDENTIFY data / SCSI command of interest. + * @rbuf: Response buffer, to which simulated SCSI cmd output is sent. + * + * Return data for the VPD page B9h (Concurrent Positioning Ranges). + * + * LOCKING: + * spin_lock_irqsave(host lock) + */ static unsigned int ata_scsiop_inq_b9(struct ata_scsi_args *args, u8 *rbuf) { struct ata_cpr_log *cpr_log = args->dev->cpr_log; |