Merge branch 'upstream'
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 3df74a0..25a47d7 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -608,7 +608,7 @@
* not being called from the SCSI EH.
*/
qc->scsidone = scsi_finish_command;
- ata_qc_complete(qc, ATA_ERR);
+ ata_qc_complete(qc, AC_ERR_OTHER);
}
spin_unlock_irqrestore(&host_set->lock, flags);
@@ -637,7 +637,7 @@
if (status & PORT_IRQ_FATAL) {
ahci_intr_error(ap, status);
if (qc)
- ata_qc_complete(qc, ATA_ERR);
+ ata_qc_complete(qc, AC_ERR_OTHER);
}
return 1;
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 0d58f4d..6cab149 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -2750,7 +2750,7 @@
* None. (grabs host lock)
*/
-void ata_poll_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat)
+void ata_poll_qc_complete(struct ata_queued_cmd *qc, unsigned int err_mask)
{
struct ata_port *ap = qc->ap;
unsigned long flags;
@@ -2758,7 +2758,7 @@
spin_lock_irqsave(&ap->host_set->lock, flags);
ap->flags &= ~ATA_FLAG_NOINTR;
ata_irq_on(ap);
- ata_qc_complete(qc, drv_stat);
+ ata_qc_complete(qc, err_mask);
spin_unlock_irqrestore(&ap->host_set->lock, flags);
}
@@ -2855,7 +2855,7 @@
ap->hsm_task_state = HSM_ST_IDLE;
- ata_poll_qc_complete(qc, drv_stat);
+ ata_poll_qc_complete(qc, 0);
/* another command may start at this point */
@@ -3223,18 +3223,15 @@
static void ata_pio_error(struct ata_port *ap)
{
struct ata_queued_cmd *qc;
- u8 drv_stat;
+
+ printk(KERN_WARNING "ata%u: PIO error\n", ap->id);
qc = ata_qc_from_tag(ap, ap->active_tag);
assert(qc != NULL);
- drv_stat = ata_chk_status(ap);
- printk(KERN_WARNING "ata%u: PIO error, drv_stat 0x%x\n",
- ap->id, drv_stat);
-
ap->hsm_task_state = HSM_ST_IDLE;
- ata_poll_qc_complete(qc, drv_stat | ATA_ERR);
+ ata_poll_qc_complete(qc, AC_ERR_ATA_BUS);
}
static void ata_pio_task(void *_data)
@@ -3357,7 +3354,7 @@
ap->id, qc->tf.command, drv_stat, host_stat);
/* complete taskfile transaction */
- ata_qc_complete(qc, drv_stat);
+ ata_qc_complete(qc, ac_err_mask(drv_stat));
break;
}
@@ -3462,7 +3459,7 @@
return qc;
}
-int ata_qc_complete_noop(struct ata_queued_cmd *qc, u8 drv_stat)
+int ata_qc_complete_noop(struct ata_queued_cmd *qc, unsigned int err_mask)
{
return 0;
}
@@ -3521,7 +3518,7 @@
* spin_lock_irqsave(host_set lock)
*/
-void ata_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat)
+void ata_qc_complete(struct ata_queued_cmd *qc, unsigned int err_mask)
{
int rc;
@@ -3538,7 +3535,7 @@
qc->flags &= ~ATA_QCFLAG_ACTIVE;
/* call completion callback */
- rc = qc->complete_fn(qc, drv_stat);
+ rc = qc->complete_fn(qc, err_mask);
/* if callback indicates not to complete command (non-zero),
* return immediately
@@ -3976,7 +3973,7 @@
ap->ops->irq_clear(ap);
/* complete taskfile transaction */
- ata_qc_complete(qc, status);
+ ata_qc_complete(qc, ac_err_mask(status));
break;
default:
@@ -4071,7 +4068,7 @@
/* sleep-wait for BSY to clear */
DPRINTK("busy wait\n");
if (ata_busy_sleep(ap, ATA_TMOUT_CDB_QUICK, ATA_TMOUT_CDB))
- goto err_out;
+ goto err_out_status;
/* make sure DRQ is set */
status = ata_chk_status(ap);
@@ -4108,8 +4105,10 @@
return;
+err_out_status:
+ status = ata_chk_status(ap);
err_out:
- ata_poll_qc_complete(qc, ATA_ERR);
+ ata_poll_qc_complete(qc, __ac_err_mask(status));
}
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index 6905851..5574520 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -560,7 +560,7 @@
* Use ata_to_sense_error() to map status register bits
* onto sense key, asc & ascq.
*/
- if (unlikely(tf->command & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ))) {
+ if (tf->command & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ)) {
ata_to_sense_error(qc->ap->id, tf->command, tf->feature,
&sb[1], &sb[2], &sb[3]);
sb[1] &= 0x0f;
@@ -635,7 +635,7 @@
* Use ata_to_sense_error() to map status register bits
* onto sense key, asc & ascq.
*/
- if (unlikely(tf->command & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ))) {
+ if (tf->command & (ATA_BUSY | ATA_DF | ATA_ERR | ATA_DRQ)) {
ata_to_sense_error(qc->ap->id, tf->command, tf->feature,
&sb[2], &sb[12], &sb[13]);
sb[2] &= 0x0f;
@@ -644,7 +644,11 @@
sb[0] = 0x70;
sb[7] = 0x0a;
- if (tf->flags & ATA_TFLAG_LBA && !(tf->flags & ATA_TFLAG_LBA48)) {
+ if (tf->flags & ATA_TFLAG_LBA48) {
+ /* TODO: find solution for LBA48 descriptors */
+ }
+
+ else if (tf->flags & ATA_TFLAG_LBA) {
/* A small (28b) LBA will fit in the 32b info field */
sb[0] |= 0x80; /* set valid bit */
sb[3] = tf->device & 0x0f;
@@ -652,6 +656,10 @@
sb[5] = tf->lbam;
sb[6] = tf->lbal;
}
+
+ else {
+ /* TODO: C/H/S */
+ }
}
/**
@@ -1209,10 +1217,12 @@
return 1;
}
-static int ata_scsi_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat)
+static int ata_scsi_qc_complete(struct ata_queued_cmd *qc,
+ unsigned int err_mask)
{
struct scsi_cmnd *cmd = qc->scsicmd;
- int need_sense = drv_stat & (ATA_ERR | ATA_BUSY | ATA_DRQ);
+ u8 *cdb = cmd->cmnd;
+ int need_sense = (err_mask != 0);
/* For ATA pass thru (SAT) commands, generate a sense block if
* user mandated it or if there's an error. Note that if we
@@ -1221,8 +1231,8 @@
* whether the command completed successfully or not. If there
* was no error, SK, ASC and ASCQ will all be zero.
*/
- if (((cmd->cmnd[0] == ATA_16) || (cmd->cmnd[0] == ATA_12)) &&
- ((cmd->cmnd[2] & 0x20) || need_sense)) {
+ if (((cdb[0] == ATA_16) || (cdb[0] == ATA_12)) &&
+ ((cdb[2] & 0x20) || need_sense)) {
ata_gen_ata_desc_sense(qc);
} else {
if (!need_sense) {
@@ -2005,21 +2015,13 @@
DPRINTK("EXIT\n");
}
-static int atapi_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat)
+static int atapi_qc_complete(struct ata_queued_cmd *qc, unsigned int err_mask)
{
struct scsi_cmnd *cmd = qc->scsicmd;
- VPRINTK("ENTER, drv_stat == 0x%x\n", drv_stat);
+ VPRINTK("ENTER, err_mask 0x%X\n", err_mask);
- if (unlikely(drv_stat & (ATA_BUSY | ATA_DRQ)))
- /* FIXME: not quite right; we don't want the
- * translation of taskfile registers into
- * a sense descriptors, since that's only
- * correct for ATA, not ATAPI
- */
- ata_gen_ata_desc_sense(qc);
-
- else if (unlikely(drv_stat & ATA_ERR)) {
+ if (unlikely(err_mask & AC_ERR_DEV)) {
DPRINTK("request check condition\n");
/* FIXME: command completion with check condition
@@ -2036,6 +2038,14 @@
return 1;
}
+ else if (unlikely(err_mask))
+ /* FIXME: not quite right; we don't want the
+ * translation of taskfile registers into
+ * a sense descriptors, since that's only
+ * correct for ATA, not ATAPI
+ */
+ ata_gen_ata_desc_sense(qc);
+
else {
u8 *scsicmd = cmd->cmnd;
diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h
index 65c264b..10ecd9e 100644
--- a/drivers/scsi/libata.h
+++ b/drivers/scsi/libata.h
@@ -39,7 +39,7 @@
/* libata-core.c */
extern int atapi_enabled;
-extern int ata_qc_complete_noop(struct ata_queued_cmd *qc, u8 drv_stat);
+extern int ata_qc_complete_noop(struct ata_queued_cmd *qc, unsigned int err_mask);
extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
struct ata_device *dev);
extern void ata_rwcmd_protocol(struct ata_queued_cmd *qc);
diff --git a/drivers/scsi/pdc_adma.c b/drivers/scsi/pdc_adma.c
index 5c0f906..988d0d7 100644
--- a/drivers/scsi/pdc_adma.c
+++ b/drivers/scsi/pdc_adma.c
@@ -451,7 +451,7 @@
struct adma_port_priv *pp;
struct ata_queued_cmd *qc;
void __iomem *chan = ADMA_REGS(mmio_base, port_no);
- u8 drv_stat = 0, status = readb(chan + ADMA_STATUS);
+ u8 status = readb(chan + ADMA_STATUS);
if (status == 0)
continue;
@@ -464,11 +464,14 @@
continue;
qc = ata_qc_from_tag(ap, ap->active_tag);
if (qc && (!(qc->tf.ctl & ATA_NIEN))) {
+ unsigned int err_mask = 0;
+
if ((status & (aPERR | aPSD | aUIRQ)))
- drv_stat = ATA_ERR;
+ err_mask = AC_ERR_OTHER;
else if (pp->pkt[0] != cDONE)
- drv_stat = ATA_ERR;
- ata_qc_complete(qc, drv_stat);
+ err_mask = AC_ERR_OTHER;
+
+ ata_qc_complete(qc, err_mask);
}
}
return handled;
@@ -498,7 +501,7 @@
/* complete taskfile transaction */
pp->state = adma_state_idle;
- ata_qc_complete(qc, status);
+ ata_qc_complete(qc, ac_err_mask(status));
handled = 1;
}
}
diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c
index ad4808e..a3ab14c 100644
--- a/drivers/scsi/sata_mv.c
+++ b/drivers/scsi/sata_mv.c
@@ -1066,6 +1066,7 @@
struct ata_queued_cmd *qc;
u32 hc_irq_cause;
int shift, port, port0, hard_port, handled;
+ unsigned int err_mask;
u8 ata_status = 0;
if (hc == 0) {
@@ -1101,15 +1102,15 @@
handled++;
}
+ err_mask = ac_err_mask(ata_status);
+
shift = port << 1; /* (port * 2) */
if (port >= MV_PORTS_PER_HC) {
shift++; /* skip bit 8 in the HC Main IRQ reg */
}
if ((PORT0_ERR << shift) & relevant) {
mv_err_intr(ap);
- /* OR in ATA_ERR to ensure libata knows we took one */
- ata_status = readb((void __iomem *)
- ap->ioaddr.status_addr) | ATA_ERR;
+ err_mask |= AC_ERR_OTHER;
handled++;
}
@@ -1119,7 +1120,7 @@
VPRINTK("port %u IRQ found for qc, "
"ata_status 0x%x\n", port,ata_status);
/* mark qc status appropriately */
- ata_qc_complete(qc, ata_status);
+ ata_qc_complete(qc, err_mask);
}
}
}
@@ -1295,7 +1296,7 @@
*/
spin_lock_irqsave(&ap->host_set->lock, flags);
qc->scsidone = scsi_finish_command;
- ata_qc_complete(qc, ATA_ERR);
+ ata_qc_complete(qc, AC_ERR_OTHER);
spin_unlock_irqrestore(&ap->host_set->lock, flags);
}
}
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index 63911f1..8f41702 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -399,7 +399,8 @@
case ATA_PROT_DMA:
case ATA_PROT_NODATA:
printk(KERN_ERR "ata%u: command timeout\n", ap->id);
- ata_qc_complete(qc, ata_wait_idle(ap) | ATA_ERR);
+ drv_stat = ata_wait_idle(ap);
+ ata_qc_complete(qc, __ac_err_mask(drv_stat));
break;
default:
@@ -408,7 +409,7 @@
printk(KERN_ERR "ata%u: unknown timeout, cmd 0x%x stat 0x%x\n",
ap->id, qc->tf.command, drv_stat);
- ata_qc_complete(qc, drv_stat);
+ ata_qc_complete(qc, ac_err_mask(drv_stat));
break;
}
@@ -420,24 +421,21 @@
static inline unsigned int pdc_host_intr( struct ata_port *ap,
struct ata_queued_cmd *qc)
{
- u8 status;
- unsigned int handled = 0, have_err = 0;
+ unsigned int handled = 0, err_mask = 0;
u32 tmp;
void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL;
tmp = readl(mmio);
if (tmp & PDC_ERR_MASK) {
- have_err = 1;
+ err_mask = AC_ERR_DEV;
pdc_reset_port(ap);
}
switch (qc->tf.protocol) {
case ATA_PROT_DMA:
case ATA_PROT_NODATA:
- status = ata_wait_idle(ap);
- if (have_err)
- status |= ATA_ERR;
- ata_qc_complete(qc, status);
+ err_mask |= ac_err_mask(ata_wait_idle(ap));
+ ata_qc_complete(qc, err_mask);
handled = 1;
break;
diff --git a/drivers/scsi/sata_qstor.c b/drivers/scsi/sata_qstor.c
index f2c599f..8c20229 100644
--- a/drivers/scsi/sata_qstor.c
+++ b/drivers/scsi/sata_qstor.c
@@ -402,11 +402,12 @@
qc = ata_qc_from_tag(ap, ap->active_tag);
if (qc && (!(qc->tf.ctl & ATA_NIEN))) {
switch (sHST) {
- case 0: /* sucessful CPB */
+ case 0: /* successful CPB */
case 3: /* device error */
pp->state = qs_state_idle;
qs_enter_reg_mode(qc->ap);
- ata_qc_complete(qc, sDST);
+ ata_qc_complete(qc,
+ ac_err_mask(sDST));
break;
default:
break;
@@ -443,7 +444,7 @@
/* complete taskfile transaction */
pp->state = qs_state_idle;
- ata_qc_complete(qc, status);
+ ata_qc_complete(qc, ac_err_mask(status));
handled = 1;
}
}
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 7e6e5c0..05ce842 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -503,7 +503,7 @@
qc = ata_qc_from_tag(ap, ap->active_tag);
if (!qc) {
- printk(KERN_ERR "ata%u: BUG: tiemout without command\n",
+ printk(KERN_ERR "ata%u: BUG: timeout without command\n",
ap->id);
return;
}
@@ -517,7 +517,7 @@
*/
printk(KERN_ERR "ata%u: command timeout\n", ap->id);
qc->scsidone = scsi_finish_command;
- ata_qc_complete(qc, ATA_ERR);
+ ata_qc_complete(qc, AC_ERR_OTHER);
sil24_reset_controller(ap);
}
@@ -528,6 +528,7 @@
struct sil24_port_priv *pp = ap->private_data;
void __iomem *port = (void __iomem *)ap->ioaddr.cmd_addr;
u32 irq_stat, cmd_err, sstatus, serror;
+ unsigned int err_mask;
irq_stat = readl(port + PORT_IRQ_STAT);
writel(irq_stat, port + PORT_IRQ_STAT); /* clear irq */
@@ -555,17 +556,18 @@
* Device is reporting error, tf registers are valid.
*/
sil24_update_tf(ap);
+ err_mask = ac_err_mask(pp->tf.command);
} else {
/*
* Other errors. libata currently doesn't have any
* mechanism to report these errors. Just turn on
* ATA_ERR.
*/
- pp->tf.command = ATA_ERR;
+ err_mask = AC_ERR_OTHER;
}
if (qc)
- ata_qc_complete(qc, pp->tf.command);
+ ata_qc_complete(qc, err_mask);
sil24_reset_controller(ap);
}
@@ -590,7 +592,7 @@
sil24_update_tf(ap);
if (qc)
- ata_qc_complete(qc, pp->tf.command);
+ ata_qc_complete(qc, ac_err_mask(pp->tf.command));
} else
sil24_error_intr(ap, slot_stat);
}
diff --git a/drivers/scsi/sata_sx4.c b/drivers/scsi/sata_sx4.c
index 8710d0f..8e2e7b8 100644
--- a/drivers/scsi/sata_sx4.c
+++ b/drivers/scsi/sata_sx4.c
@@ -717,7 +717,7 @@
VPRINTK("ata%u: read hdma, 0x%x 0x%x\n", ap->id,
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* get drive status; clear intr; complete txn */
- ata_qc_complete(qc, ata_wait_idle(ap));
+ ata_qc_complete(qc, ac_err_mask(ata_wait_idle(ap)));
pdc20621_pop_hdma(qc);
}
@@ -755,7 +755,7 @@
VPRINTK("ata%u: write ata, 0x%x 0x%x\n", ap->id,
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* get drive status; clear intr; complete txn */
- ata_qc_complete(qc, ata_wait_idle(ap));
+ ata_qc_complete(qc, ac_err_mask(ata_wait_idle(ap)));
pdc20621_pop_hdma(qc);
}
handled = 1;
@@ -765,7 +765,7 @@
status = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
DPRINTK("BUS_NODATA (drv_stat 0x%X)\n", status);
- ata_qc_complete(qc, status);
+ ata_qc_complete(qc, ac_err_mask(status));
handled = 1;
} else {
@@ -880,7 +880,7 @@
case ATA_PROT_DMA:
case ATA_PROT_NODATA:
printk(KERN_ERR "ata%u: command timeout\n", ap->id);
- ata_qc_complete(qc, ata_wait_idle(ap) | ATA_ERR);
+ ata_qc_complete(qc, __ac_err_mask(ata_wait_idle(ap)));
break;
default:
@@ -889,7 +889,7 @@
printk(KERN_ERR "ata%u: unknown timeout, cmd 0x%x stat 0x%x\n",
ap->id, qc->tf.command, drv_stat);
- ata_qc_complete(qc, drv_stat);
+ ata_qc_complete(qc, ac_err_mask(drv_stat));
break;
}
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 364cd11..6225b78 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -176,6 +176,13 @@
HSM_ST_ERR,
};
+enum ata_completion_errors {
+ AC_ERR_OTHER = (1 << 0),
+ AC_ERR_DEV = (1 << 1),
+ AC_ERR_ATA_BUS = (1 << 2),
+ AC_ERR_HOST_BUS = (1 << 3),
+};
+
/* forward declarations */
struct scsi_device;
struct ata_port_operations;
@@ -183,7 +190,7 @@
struct ata_queued_cmd;
/* typedefs */
-typedef int (*ata_qc_cb_t) (struct ata_queued_cmd *qc, u8 drv_stat);
+typedef int (*ata_qc_cb_t) (struct ata_queued_cmd *qc, unsigned int err_mask);
struct ata_ioports {
unsigned long cmd_addr;
@@ -465,7 +472,7 @@
extern void ata_bmdma_stop(struct ata_queued_cmd *qc);
extern u8 ata_bmdma_status(struct ata_port *ap);
extern void ata_bmdma_irq_clear(struct ata_port *ap);
-extern void ata_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat);
+extern void ata_qc_complete(struct ata_queued_cmd *qc, unsigned int err_mask);
extern void ata_eng_timeout(struct ata_port *ap);
extern void ata_scsi_simulate(u16 *id, struct scsi_cmnd *cmd,
void (*done)(struct scsi_cmnd *));
@@ -753,4 +760,21 @@
ata_id_has_flush_ext(dev->id);
}
+static inline unsigned int ac_err_mask(u8 status)
+{
+ if (status & ATA_BUSY)
+ return AC_ERR_ATA_BUS;
+ if (status & (ATA_ERR | ATA_DF))
+ return AC_ERR_DEV;
+ return 0;
+}
+
+static inline unsigned int __ac_err_mask(u8 status)
+{
+ unsigned int mask = ac_err_mask(status);
+ if (mask == 0)
+ return AC_ERR_OTHER;
+ return mask;
+}
+
#endif /* __LINUX_LIBATA_H__ */