aboutsummaryrefslogtreecommitdiff
path: root/sys/cam/ata/ata_da.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/cam/ata/ata_da.c')
-rw-r--r--sys/cam/ata/ata_da.c85
1 files changed, 79 insertions, 6 deletions
diff --git a/sys/cam/ata/ata_da.c b/sys/cam/ata/ata_da.c
index 1facab47473c..9434756b87f9 100644
--- a/sys/cam/ata/ata_da.c
+++ b/sys/cam/ata/ata_da.c
@@ -44,6 +44,7 @@
#include <sys/malloc.h>
#include <sys/endian.h>
#include <sys/cons.h>
+#include <sys/power.h>
#include <sys/proc.h>
#include <sys/reboot.h>
#include <sys/sbuf.h>
@@ -878,8 +879,8 @@ static int adaerror(union ccb *ccb, uint32_t cam_flags,
uint32_t sense_flags);
static callout_func_t adasendorderedtag;
static void adashutdown(void *arg, int howto);
-static void adasuspend(void *arg);
-static void adaresume(void *arg);
+static void adasuspend(void *arg, enum power_stype stype);
+static void adaresume(void *arg, enum power_stype stype);
#ifndef ADA_DEFAULT_TIMEOUT
#define ADA_DEFAULT_TIMEOUT 30 /* Timeout in seconds */
@@ -1556,11 +1557,11 @@ adasysctlinit(void *context, int pending)
SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
OID_AUTO, "unmapped_io", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
&softc->flags, (u_int)ADA_FLAG_UNMAPPEDIO, adabitsysctl, "I",
- "Use unmapped I/O. This sysctl is *DEPRECATED*, gone in FreeBSD 15");
+ "Use unmapped I/O. This sysctl is *DEPRECATED*, gone in FreeBSD 16");
SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
OID_AUTO, "rotating", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE,
&softc->flags, (u_int)ADA_FLAG_ROTATING, adabitsysctl, "I",
- "Rotating media. This sysctl is *DEPRECATED*, gone in FreeBSD 15");
+ "Rotating media. This sysctl is *DEPRECATED*, gone in FreeBSD 16");
#ifdef CAM_TEST_FAILURE
/*
@@ -2327,15 +2328,38 @@ adastart(struct cam_periph *periph, union ccb *start_ccb)
{
struct ada_softc *softc = (struct ada_softc *)periph->softc;
struct ccb_ataio *ataio = &start_ccb->ataio;
+ uint32_t priority = start_ccb->ccb_h.pinfo.priority;
CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("adastart\n"));
+ /*
+ * When we're running the state machine, we should only accept DEV CCBs.
+ * When we're doing normal I/O we should only accept NORMAL CCBs.
+ *
+ * While in the state machine, we carefully single step the queue, but
+ * there's no protection for 'extra' calls to xpt_schedule() at the
+ * wrong priority. Guard against that so that we filter any CCBs that
+ * are offered at the wrong priority. This avoids generating requests
+ * that are at normal priority.
+` */
+ if ((softc->state != ADA_STATE_NORMAL && priority != CAM_PRIORITY_DEV) ||
+ (softc->state == ADA_STATE_NORMAL && priority != CAM_PRIORITY_NORMAL)) {
+ xpt_print(periph->path, "Bad priority for state %d prio %d\n",
+ softc->state, priority);
+ xpt_release_ccb(start_ccb);
+ return;
+ }
+
switch (softc->state) {
case ADA_STATE_NORMAL:
{
struct bio *bp;
uint8_t tag_code;
+ KASSERT(priority == CAM_PRIORITY_NORMAL,
+ ("Expected priority %d, found %d in state normal",
+ CAM_PRIORITY_NORMAL, priority));
+
bp = cam_iosched_next_bio(softc->cam_iosched);
if (bp == NULL) {
xpt_release_ccb(start_ccb);
@@ -2554,6 +2578,11 @@ out:
case ADA_STATE_RAHEAD:
case ADA_STATE_WCACHE:
{
+ KASSERT(priority == CAM_PRIORITY_DEV,
+ ("Expected priority %d, found %d in state %s",
+ CAM_PRIORITY_DEV, priority,
+ softc->state == ADA_STATE_RAHEAD ? "rahead" : "wcache"));
+
cam_fill_ataio(ataio,
1,
adadone,
@@ -2580,6 +2609,10 @@ out:
{
struct ata_gp_log_dir *log_dir;
+ KASSERT(priority == CAM_PRIORITY_DEV,
+ ("Expected priority %d, found %d in state logdir",
+ CAM_PRIORITY_DEV, priority));
+
if ((softc->flags & ADA_FLAG_CAN_LOG) == 0) {
adaprobedone(periph, start_ccb);
break;
@@ -2614,6 +2647,10 @@ out:
{
struct ata_identify_log_pages *id_dir;
+ KASSERT(priority == CAM_PRIORITY_DEV,
+ ("Expected priority %d, found %d in state iddir",
+ CAM_PRIORITY_DEV, priority));
+
id_dir = malloc(sizeof(*id_dir), M_ATADA, M_NOWAIT | M_ZERO);
if (id_dir == NULL) {
xpt_print(periph->path, "Couldn't malloc id_dir "
@@ -2642,6 +2679,10 @@ out:
{
struct ata_identify_log_sup_cap *sup_cap;
+ KASSERT(priority == CAM_PRIORITY_DEV,
+ ("Expected priority %d, found %d in state sup_cap",
+ CAM_PRIORITY_DEV, priority));
+
sup_cap = malloc(sizeof(*sup_cap), M_ATADA, M_NOWAIT|M_ZERO);
if (sup_cap == NULL) {
xpt_print(periph->path, "Couldn't malloc sup_cap "
@@ -2670,6 +2711,10 @@ out:
{
struct ata_zoned_info_log *ata_zone;
+ KASSERT(priority == CAM_PRIORITY_DEV,
+ ("Expected priority %d, found %d in state zone",
+ CAM_PRIORITY_DEV, priority));
+
ata_zone = malloc(sizeof(*ata_zone), M_ATADA, M_NOWAIT|M_ZERO);
if (ata_zone == NULL) {
xpt_print(periph->path, "Couldn't malloc ata_zone "
@@ -2895,6 +2940,10 @@ adadone(struct cam_periph *periph, union ccb *done_ccb)
struct bio *bp;
int error;
+ KASSERT(priority == CAM_PRIORITY_NORMAL,
+ ("Expected priority %d, found %d for normal I/O",
+ CAM_PRIORITY_NORMAL, priority));
+
cam_periph_lock(periph);
bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
@@ -2999,6 +3048,10 @@ adadone(struct cam_periph *periph, union ccb *done_ccb)
}
case ADA_CCB_RAHEAD:
{
+ KASSERT(priority == CAM_PRIORITY_DEV,
+ ("Expected priority %d, found %d in ccb state rahead",
+ CAM_PRIORITY_DEV, priority));
+
if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
if (adaerror(done_ccb, 0, 0) == ERESTART) {
/* Drop freeze taken due to CAM_DEV_QFREEZE */
@@ -3022,6 +3075,10 @@ adadone(struct cam_periph *periph, union ccb *done_ccb)
}
case ADA_CCB_WCACHE:
{
+ KASSERT(priority == CAM_PRIORITY_DEV,
+ ("Expected priority %d, found %d in ccb state wcache",
+ CAM_PRIORITY_DEV, priority));
+
if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
if (adaerror(done_ccb, 0, 0) == ERESTART) {
/* Drop freeze taken due to CAM_DEV_QFREEZE */
@@ -3053,6 +3110,10 @@ adadone(struct cam_periph *periph, union ccb *done_ccb)
{
int error;
+ KASSERT(priority == CAM_PRIORITY_DEV,
+ ("Expected priority %d, found %d in ccb state logdir",
+ CAM_PRIORITY_DEV, priority));
+
if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
error = 0;
softc->valid_logdir_len = 0;
@@ -3122,6 +3183,10 @@ adadone(struct cam_periph *periph, union ccb *done_ccb)
case ADA_CCB_IDDIR: {
int error;
+ KASSERT(priority == CAM_PRIORITY_DEV,
+ ("Expected priority %d, found %d in ccb state iddir",
+ CAM_PRIORITY_DEV, priority));
+
if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
off_t entries_offset, max_entries;
error = 0;
@@ -3207,6 +3272,10 @@ adadone(struct cam_periph *periph, union ccb *done_ccb)
case ADA_CCB_SUP_CAP: {
int error;
+ KASSERT(priority == CAM_PRIORITY_DEV,
+ ("Expected priority %d, found %d in ccb state sup_cap",
+ CAM_PRIORITY_DEV, priority));
+
if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
uint32_t valid_len;
size_t needed_size;
@@ -3311,6 +3380,10 @@ adadone(struct cam_periph *periph, union ccb *done_ccb)
case ADA_CCB_ZONE: {
int error;
+ KASSERT(priority == CAM_PRIORITY_DEV,
+ ("Expected priority %d, found %d in ccb state zone",
+ CAM_PRIORITY_DEV, priority));
+
if ((ataio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
struct ata_zoned_info_log *zi_log;
uint32_t valid_len;
@@ -3747,7 +3820,7 @@ adashutdown(void *arg, int howto)
}
static void
-adasuspend(void *arg)
+adasuspend(void *arg, enum power_stype stype)
{
adaflush();
@@ -3760,7 +3833,7 @@ adasuspend(void *arg)
}
static void
-adaresume(void *arg)
+adaresume(void *arg, enum power_stype stype)
{
struct cam_periph *periph;
struct ada_softc *softc;
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-15 08:04:04 +0000