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path: root/drivers/ata/libata-scsi.c
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Diffstat (limited to 'drivers/ata/libata-scsi.c')
-rw-r--r--drivers/ata/libata-scsi.c82
1 files changed, 49 insertions, 33 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index bfec66fb26e2..2bdb5dab922b 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -304,7 +304,7 @@ static void ata_scsi_set_invalid_field(struct ata_device *dev,
struct scsi_cmnd *cmd, u16 field, u8 bit)
{
ata_scsi_set_sense(dev, cmd, ILLEGAL_REQUEST, 0x24, 0x0);
- /* "Invalid field in cbd" */
+ /* "Invalid field in CDB" */
scsi_set_sense_field_pointer(cmd->sense_buffer, SCSI_SENSE_BUFFERSIZE,
field, bit, 1);
}
@@ -2075,8 +2075,8 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf)
0x03,
0x20, /* SBC-2 (no version claimed) */
- 0x02,
- 0x60 /* SPC-3 (no version claimed) */
+ 0x03,
+ 0x00 /* SPC-3 (no version claimed) */
};
const u8 versions_zbc[] = {
0x00,
@@ -2097,7 +2097,10 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf)
0,
0x5, /* claim SPC-3 version compatibility */
2,
- 95 - 4
+ 95 - 4,
+ 0,
+ 0,
+ 2
};
VPRINTK("ENTER\n");
@@ -2109,8 +2112,10 @@ static unsigned int ata_scsiop_inq_std(struct ata_scsi_args *args, u8 *rbuf)
(args->dev->link->ap->pflags & ATA_PFLAG_EXTERNAL))
hdr[1] |= (1 << 7);
- if (args->dev->class == ATA_DEV_ZAC)
+ if (args->dev->class == ATA_DEV_ZAC) {
hdr[0] = TYPE_ZBC;
+ hdr[2] = 0x7; /* claim SPC-5 version compatibility */
+ }
memcpy(rbuf, hdr, sizeof(hdr));
memcpy(&rbuf[8], "ATA ", 8);
@@ -2314,7 +2319,7 @@ static unsigned int ata_scsiop_inq_b0(struct ata_scsi_args *args, u8 *rbuf)
* with the unmap bit set.
*/
if (ata_id_has_trim(args->id)) {
- put_unaligned_be64(65535 * 512 / 8, &rbuf[36]);
+ put_unaligned_be64(65535 * ATA_MAX_TRIM_RNUM, &rbuf[36]);
put_unaligned_be32(1, &rbuf[28]);
}
@@ -2424,15 +2429,17 @@ static void modecpy(u8 *dest, const u8 *src, int n, bool changeable)
static unsigned int ata_msense_caching(u16 *id, u8 *buf, bool changeable)
{
modecpy(buf, def_cache_mpage, sizeof(def_cache_mpage), changeable);
- if (changeable || ata_id_wcache_enabled(id))
- buf[2] |= (1 << 2); /* write cache enable */
- if (!changeable && !ata_id_rahead_enabled(id))
- buf[12] |= (1 << 5); /* disable read ahead */
+ if (changeable) {
+ buf[2] |= (1 << 2); /* ata_mselect_caching() */
+ } else {
+ buf[2] |= (ata_id_wcache_enabled(id) << 2); /* write cache enable */
+ buf[12] |= (!ata_id_rahead_enabled(id) << 5); /* disable read ahead */
+ }
return sizeof(def_cache_mpage);
}
/**
- * ata_msense_ctl_mode - Simulate MODE SENSE control mode page
+ * ata_msense_control - Simulate MODE SENSE control mode page
* @dev: ATA device of interest
* @buf: output buffer
* @changeable: whether changeable parameters are requested
@@ -2442,12 +2449,17 @@ static unsigned int ata_msense_caching(u16 *id, u8 *buf, bool changeable)
* LOCKING:
* None.
*/
-static unsigned int ata_msense_ctl_mode(struct ata_device *dev, u8 *buf,
+static unsigned int ata_msense_control(struct ata_device *dev, u8 *buf,
bool changeable)
{
modecpy(buf, def_control_mpage, sizeof(def_control_mpage), changeable);
- if (changeable && (dev->flags & ATA_DFLAG_D_SENSE))
- buf[2] |= (1 << 2); /* Descriptor sense requested */
+ if (changeable) {
+ buf[2] |= (1 << 2); /* ata_mselect_control() */
+ } else {
+ bool d_sense = (dev->flags & ATA_DFLAG_D_SENSE);
+
+ buf[2] |= (d_sense << 2); /* descriptor format sense data */
+ }
return sizeof(def_control_mpage);
}
@@ -2566,13 +2578,13 @@ static unsigned int ata_scsiop_mode_sense(struct ata_scsi_args *args, u8 *rbuf)
break;
case CONTROL_MPAGE:
- p += ata_msense_ctl_mode(args->dev, p, page_control == 1);
+ p += ata_msense_control(args->dev, p, page_control == 1);
break;
case ALL_MPAGES:
p += ata_msense_rw_recovery(p, page_control == 1);
p += ata_msense_caching(args->id, p, page_control == 1);
- p += ata_msense_ctl_mode(args->dev, p, page_control == 1);
+ p += ata_msense_control(args->dev, p, page_control == 1);
break;
default: /* invalid page code */
@@ -3077,6 +3089,9 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc)
goto invalid_fld;
}
+ if (ata_is_ncq(tf->protocol) && (cdb[2] & 0x3) == 0)
+ tf->protocol = ATA_PROT_NCQ_NODATA;
+
/* enable LBA */
tf->flags |= ATA_TFLAG_LBA;
@@ -3125,8 +3140,8 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc)
tf->command = cdb[9];
}
- /* For NCQ commands with FPDMA protocol, copy the tag value */
- if (tf->protocol == ATA_PROT_NCQ)
+ /* For NCQ commands copy the tag value */
+ if (ata_is_ncq(tf->protocol))
tf->nsect = qc->tag << 3;
/* enforce correct master/slave bit */
@@ -3305,7 +3320,13 @@ static unsigned int ata_scsi_write_same_xlat(struct ata_queued_cmd *qc)
goto invalid_param_len;
buf = page_address(sg_page(scsi_sglist(scmd)));
- size = ata_set_lba_range_entries(buf, 512, block, n_block);
+
+ if (n_block <= 65535 * ATA_MAX_TRIM_RNUM) {
+ size = ata_set_lba_range_entries(buf, ATA_MAX_TRIM_RNUM, block, n_block);
+ } else {
+ fp = 2;
+ goto invalid_fld;
+ }
if (ata_ncq_enabled(dev) && ata_fpdma_dsm_supported(dev)) {
/* Newer devices support queued TRIM commands */
@@ -3454,7 +3475,7 @@ static unsigned int ata_scsi_zbc_in_xlat(struct ata_queued_cmd *qc)
goto invalid_param_len;
}
sect = n_block / 512;
- options = cdb[14];
+ options = cdb[14] & 0xbf;
if (ata_ncq_enabled(qc->dev) &&
ata_fpdma_zac_mgmt_in_supported(qc->dev)) {
@@ -3464,7 +3485,7 @@ static unsigned int ata_scsi_zbc_in_xlat(struct ata_queued_cmd *qc)
tf->nsect = qc->tag << 3;
tf->feature = sect & 0xff;
tf->hob_feature = (sect >> 8) & 0xff;
- tf->auxiliary = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES;
+ tf->auxiliary = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES | (options << 8);
} else {
tf->command = ATA_CMD_ZAC_MGMT_IN;
tf->feature = ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES;
@@ -3506,7 +3527,7 @@ static unsigned int ata_scsi_zbc_out_xlat(struct ata_queued_cmd *qc)
struct scsi_cmnd *scmd = qc->scsicmd;
struct ata_device *dev = qc->dev;
const u8 *cdb = scmd->cmnd;
- u8 reset_all, sa;
+ u8 all, sa;
u64 block;
u32 n_block;
u16 fp = (u16)-1;
@@ -3533,20 +3554,20 @@ static unsigned int ata_scsi_zbc_out_xlat(struct ata_queued_cmd *qc)
if (block > dev->n_sectors)
goto out_of_range;
- reset_all = cdb[14] & 0x1;
+ all = cdb[14] & 0x1;
if (ata_ncq_enabled(qc->dev) &&
ata_fpdma_zac_mgmt_out_supported(qc->dev)) {
- tf->protocol = ATA_PROT_NCQ;
+ tf->protocol = ATA_PROT_NCQ_NODATA;
tf->command = ATA_CMD_NCQ_NON_DATA;
- tf->hob_nsect = ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT;
+ tf->feature = ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT;
tf->nsect = qc->tag << 3;
- tf->auxiliary = sa | (reset_all & 0x1) << 8;
+ tf->auxiliary = sa | ((u16)all << 8);
} else {
tf->protocol = ATA_PROT_NODATA;
tf->command = ATA_CMD_ZAC_MGMT_OUT;
tf->feature = sa;
- tf->hob_feature = reset_all & 0x1;
+ tf->hob_feature = all;
}
tf->lbah = (block >> 16) & 0xff;
tf->lbam = (block >> 8) & 0xff;
@@ -3667,7 +3688,7 @@ static int ata_mselect_control(struct ata_queued_cmd *qc,
/*
* Check that read-only bits are not modified.
*/
- ata_msense_ctl_mode(dev, mpage, false);
+ ata_msense_control(dev, mpage, false);
for (i = 0; i < CONTROL_MPAGE_LEN - 2; i++) {
if (i == 0)
continue;
@@ -4039,11 +4060,6 @@ void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd)
args.done = cmd->scsi_done;
switch(scsicmd[0]) {
- /* TODO: worth improving? */
- case FORMAT_UNIT:
- ata_scsi_invalid_field(dev, cmd, 0);
- break;
-
case INQUIRY:
if (scsicmd[1] & 2) /* is CmdDt set? */
ata_scsi_invalid_field(dev, cmd, 1);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-18 05:00:36 +0300