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Diffstat (limited to 'sys/cam/scsi/scsi_da.c')
-rw-r--r--sys/cam/scsi/scsi_da.c125
1 files changed, 93 insertions, 32 deletions
diff --git a/sys/cam/scsi/scsi_da.c b/sys/cam/scsi/scsi_da.c
index 756093cbcf8d..b3bf5ffc35c4 100644
--- a/sys/cam/scsi/scsi_da.c
+++ b/sys/cam/scsi/scsi_da.c
@@ -160,6 +160,7 @@ struct da_softc {
struct callout sendordered_c;
uint64_t wwpn;
uint8_t unmap_buf[UNMAP_MAX_RANGES * 16 + 8];
+ struct scsi_read_capacity_data_long rcaplong;
};
struct da_quirk_entry {
@@ -830,7 +831,9 @@ static int daerror(union ccb *ccb, u_int32_t cam_flags,
static void daprevent(struct cam_periph *periph, int action);
static int dagetcapacity(struct cam_periph *periph);
static void dasetgeom(struct cam_periph *periph, uint32_t block_len,
- uint64_t maxsector, u_int lbppbe, u_int lalba);
+ uint64_t maxsector,
+ struct scsi_read_capacity_data_long *rcaplong,
+ size_t rcap_size);
static timeout_t dasendorderedtag;
static void dashutdown(void *arg, int howto);
@@ -1948,7 +1951,8 @@ out:
/*lba*/ 0,
/*reladr*/ 0,
/*pmi*/ 0,
- rcaplong,
+ /*rcap_buf*/ (uint8_t *)rcaplong,
+ /*rcap_buf_len*/ sizeof(*rcaplong),
/*sense_len*/ SSD_FULL_SIZE,
/*timeout*/ 60000);
start_ccb->ccb_h.ccb_bp = NULL;
@@ -2227,10 +2231,15 @@ dadone(struct cam_periph *periph, union ccb *done_ccb)
announce_buf[0] = '\0';
cam_periph_invalidate(periph);
} else {
+ /*
+ * We pass rcaplong into dasetgeom(),
+ * because it will only use it if it is
+ * non-NULL.
+ */
dasetgeom(periph, block_size, maxsector,
- lbppbe, lalba & SRC16_LALBA);
- if ((lalba & SRC16_LBPME) &&
- softc->delete_method == DA_DELETE_NONE)
+ rcaplong, sizeof(*rcaplong));
+ if ((lalba & SRC16_LBPME_A)
+ && softc->delete_method == DA_DELETE_NONE)
softc->delete_method = DA_DELETE_UNMAP;
dp = &softc->params;
snprintf(announce_buf, sizeof(announce_buf),
@@ -2504,6 +2513,7 @@ dagetcapacity(struct cam_periph *periph)
lalba = 0;
error = 0;
rc16failed = 0;
+ rcaplong = NULL;
sense_flags = SF_RETRY_UA;
if (softc->flags & DA_FLAG_PACK_REMOVABLE)
sense_flags |= SF_NO_PRINT;
@@ -2521,39 +2531,47 @@ dagetcapacity(struct cam_periph *periph)
/* Try READ CAPACITY(16) first if we think it should work. */
if (softc->flags & DA_FLAG_CAN_RC16) {
scsi_read_capacity_16(&ccb->csio,
- /*retries*/ 4,
- /*cbfcnp*/ dadone,
- /*tag_action*/ MSG_SIMPLE_Q_TAG,
- /*lba*/ 0,
- /*reladr*/ 0,
- /*pmi*/ 0,
- rcaplong,
- /*sense_len*/ SSD_FULL_SIZE,
- /*timeout*/ 60000);
+ /*retries*/ 4,
+ /*cbfcnp*/ dadone,
+ /*tag_action*/ MSG_SIMPLE_Q_TAG,
+ /*lba*/ 0,
+ /*reladr*/ 0,
+ /*pmi*/ 0,
+ /*rcap_buf*/ (uint8_t *)rcaplong,
+ /*rcap_buf_len*/ sizeof(*rcaplong),
+ /*sense_len*/ SSD_FULL_SIZE,
+ /*timeout*/ 60000);
ccb->ccb_h.ccb_bp = NULL;
error = cam_periph_runccb(ccb, daerror,
- /*cam_flags*/CAM_RETRY_SELTO,
- sense_flags,
- softc->disk->d_devstat);
+ /*cam_flags*/CAM_RETRY_SELTO,
+ sense_flags, softc->disk->d_devstat);
if (error == 0)
goto rc16ok;
/* If we got ILLEGAL REQUEST, do not prefer RC16 any more. */
- if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
- CAM_REQ_INVALID) {
+ if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
softc->flags &= ~DA_FLAG_CAN_RC16;
} else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
- CAM_SCSI_STATUS_ERROR) &&
- (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) &&
- (ccb->ccb_h.status & CAM_AUTOSNS_VALID) &&
- ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0) &&
- ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
+ CAM_SCSI_STATUS_ERROR)
+ && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
+ && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
+ && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
+ && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
int sense_key, error_code, asc, ascq;
- scsi_extract_sense(&ccb->csio.sense_data,
- &error_code, &sense_key, &asc, &ascq);
- if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
+ scsi_extract_sense_len(&ccb->csio.sense_data,
+ ccb->csio.sense_len -
+ ccb->csio.sense_resid,
+ &error_code, &sense_key,
+ &asc, &ascq, /*show_errors*/1);
+ /*
+ * If we don't have enough sense to get the sense
+ * key, or if it's illegal request, turn off
+ * READ CAPACITY (16).
+ */
+ if ((sense_key == -1)
+ || (sense_key == SSD_KEY_ILLEGAL_REQUEST))
softc->flags &= ~DA_FLAG_CAN_RC16;
}
rc16failed = 1;
@@ -2590,7 +2608,8 @@ dagetcapacity(struct cam_periph *periph)
/*lba*/ 0,
/*reladr*/ 0,
/*pmi*/ 0,
- rcaplong,
+ /*rcap_buf*/ (uint8_t *)rcaplong,
+ /*rcap_buf_len*/ sizeof(*rcaplong),
/*sense_len*/ SSD_FULL_SIZE,
/*timeout*/ 60000);
ccb->ccb_h.ccb_bp = NULL;
@@ -2617,9 +2636,9 @@ done:
error = EINVAL;
} else {
dasetgeom(periph, block_len, maxsector,
- lbppbe, lalba & SRC16_LALBA);
- if ((lalba & SRC16_LBPME) &&
- softc->delete_method == DA_DELETE_NONE)
+ rcaplong, sizeof(*rcaplong));
+ if ((lalba & SRC16_LBPME)
+ && softc->delete_method == DA_DELETE_NONE)
softc->delete_method = DA_DELETE_UNMAP;
}
}
@@ -2633,17 +2652,27 @@ done:
static void
dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
- u_int lbppbe, u_int lalba)
+ struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
{
struct ccb_calc_geometry ccg;
struct da_softc *softc;
struct disk_params *dp;
+ u_int lbppbe, lalba;
softc = (struct da_softc *)periph->softc;
dp = &softc->params;
dp->secsize = block_len;
dp->sectors = maxsector + 1;
+ if (rcaplong != NULL) {
+ lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
+ lalba = scsi_2btoul(rcaplong->lalba_lbp);
+ lalba &= SRC16_LALBA_A;
+ } else {
+ lbppbe = 0;
+ lalba = 0;
+ }
+
if (lbppbe > 0) {
dp->stripesize = block_len << lbppbe;
dp->stripeoffset = (dp->stripesize - block_len * lalba) %
@@ -2688,6 +2717,38 @@ dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
dp->secs_per_track = ccg.secs_per_track;
dp->cylinders = ccg.cylinders;
}
+
+ /*
+ * If the user supplied a read capacity buffer, and if it is
+ * different than the previous buffer, update the data in the EDT.
+ * If it's the same, we don't bother. This avoids sending an
+ * update every time someone opens this device.
+ */
+ if ((rcaplong != NULL)
+ && (bcmp(rcaplong, &softc->rcaplong,
+ min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
+ struct ccb_dev_advinfo cdai;
+
+ xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
+ cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
+ cdai.buftype = CDAI_TYPE_RCAPLONG;
+ cdai.flags |= CDAI_FLAG_STORE;
+ cdai.bufsiz = rcap_len;
+ cdai.buf = (uint8_t *)rcaplong;
+ xpt_action((union ccb *)&cdai);
+ if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
+ cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
+ if (cdai.ccb_h.status != CAM_REQ_CMP) {
+ xpt_print(periph->path, "%s: failed to set read "
+ "capacity advinfo\n", __func__);
+ /* Use cam_error_print() to decode the status */
+ cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
+ CAM_EPF_ALL);
+ } else {
+ bcopy(rcaplong, &softc->rcaplong,
+ min(sizeof(softc->rcaplong), rcap_len));
+ }
+ }
}
static void