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Merge branch 'upstream'

This commit is contained in:
Jeff Garzik 2005-10-30 04:50:22 -05:00
parent f0612bbc41 a7dac447bb
commit 054ee8fd39
11 changed files with 109 additions and 71 deletions
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4
drivers/scsi/ahci.c
View File

@ -608,7 +608,7 @@ static void ahci_eng_timeout(struct ata_port *ap)
* 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 @@ static inline int ahci_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
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;

31
drivers/scsi/libata-core.c
View File

@ -2750,7 +2750,7 @@ static int ata_sg_setup(struct ata_queued_cmd *qc)
* 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 @@ void ata_poll_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat)
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 @@ static int ata_pio_complete (struct ata_port *ap)
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_block(struct ata_port *ap)
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 @@ static void ata_qc_timeout(struct ata_queued_cmd *qc)
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 @@ struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
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 @@ void ata_qc_free(struct ata_queued_cmd *qc)
* 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 @@ void ata_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat)
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 @@ inline unsigned int ata_host_intr (struct ata_port *ap,
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 @@ static void atapi_packet_task(void *_data)
/* 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 @@ static void atapi_packet_task(void *_data)
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));
}

46
drivers/scsi/libata-scsi.c
View File

@ -560,7 +560,7 @@ void ata_gen_ata_desc_sense(struct ata_queued_cmd *qc)
* 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 @@ void ata_gen_fixed_sense(struct ata_queued_cmd *qc)
* 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 @@ void ata_gen_fixed_sense(struct ata_queued_cmd *qc)
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 @@ void ata_gen_fixed_sense(struct ata_queued_cmd *qc)
sb[5] = tf->lbam;
sb[6] = tf->lbal;
}
else {
/* TODO: C/H/S */
}
}
/**
@ -1209,10 +1217,12 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm
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 @@ static int ata_scsi_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat)
* 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 @@ void atapi_request_sense(struct ata_port *ap, struct ata_device *dev,
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 @@ static int atapi_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat)
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;

2
drivers/scsi/libata.h
View File

@ -39,7 +39,7 @@ struct ata_scsi_args {
/* 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);

13
drivers/scsi/pdc_adma.c
View File

@ -451,7 +451,7 @@ static inline unsigned int adma_intr_pkt(struct ata_host_set *host_set)
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 @@ static inline unsigned int adma_intr_pkt(struct ata_host_set *host_set)
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 @@ static inline unsigned int adma_intr_mmio(struct ata_host_set *host_set)
/* complete taskfile transaction */
pp->state = adma_state_idle;
ata_qc_complete(qc, status);
ata_qc_complete(qc, ac_err_mask(status));
handled = 1;
}
}

11
drivers/scsi/sata_mv.c
View File

@ -1066,6 +1066,7 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant,
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 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant,
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 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant,
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 @@ static void mv_eng_timeout(struct ata_port *ap)
*/
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);
}
}

16
drivers/scsi/sata_promise.c
View File

@ -399,7 +399,8 @@ static void pdc_eng_timeout(struct ata_port *ap)
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 @@ static void pdc_eng_timeout(struct ata_port *ap)
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 void pdc_eng_timeout(struct ata_port *ap)
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;

7
drivers/scsi/sata_qstor.c
View File

@ -402,11 +402,12 @@ static inline unsigned int qs_intr_pkt(struct ata_host_set *host_set)
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 @@ static inline unsigned int qs_intr_mmio(struct ata_host_set *host_set)
/* complete taskfile transaction */
pp->state = qs_state_idle;
ata_qc_complete(qc, status);
ata_qc_complete(qc, ac_err_mask(status));
handled = 1;
}
}

12
drivers/scsi/sata_sil24.c
View File

@ -503,7 +503,7 @@ static void sil24_eng_timeout(struct ata_port *ap)
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 @@ static void sil24_eng_timeout(struct ata_port *ap)
*/
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 @@ static void sil24_error_intr(struct ata_port *ap, u32 slot_stat)
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 @@ static void sil24_error_intr(struct ata_port *ap, u32 slot_stat)
* 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 @@ static inline void sil24_host_intr(struct ata_port *ap)
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);
}

10
drivers/scsi/sata_sx4.c
View File

@ -717,7 +717,7 @@ static inline unsigned int pdc20621_host_intr( struct ata_port *ap,
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 @@ static inline unsigned int pdc20621_host_intr( struct ata_port *ap,
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 @@ static inline unsigned int pdc20621_host_intr( struct ata_port *ap,
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 @@ static void pdc_eng_timeout(struct ata_port *ap)
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 @@ static void pdc_eng_timeout(struct ata_port *ap)
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;
}

28
include/linux/libata.h
View File

@ -176,6 +176,13 @@ enum hsm_task_states {
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_port;
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_start (struct ata_queued_cmd *qc);
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 @@ static inline int ata_try_flush_cache(const struct ata_device *dev)
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__ */