#define ALL_SUB_MPAGES 0xff
-static const u8 def_rw_recovery_mpage[] = {
+static const u8 def_rw_recovery_mpage[RW_RECOVERY_MPAGE_LEN] = {
RW_RECOVERY_MPAGE,
RW_RECOVERY_MPAGE_LEN - 2,
- (1 << 7) | /* AWRE, sat-r06 say it shall be 0 */
- (1 << 6), /* ARRE (auto read reallocation) */
+ (1 << 7), /* AWRE */
0, /* read retry count */
0, 0, 0, 0,
0, /* write retry count */
qc->scsicmd = cmd;
qc->scsidone = done;
- if (cmd->use_sg) {
- qc->__sg = (struct scatterlist *) cmd->request_buffer;
- qc->n_elem = cmd->use_sg;
- } else if (cmd->request_bufflen) {
- qc->__sg = &qc->sgent;
- qc->n_elem = 1;
- }
+ qc->__sg = scsi_sglist(cmd);
+ qc->n_elem = scsi_sg_count(cmd);
} else {
cmd->result = (DID_OK << 16) | (QUEUE_FULL << 1);
done(cmd);
{
sdev->use_10_for_rw = 1;
sdev->use_10_for_ms = 1;
+
+ /* Schedule policy is determined by ->qc_defer() callback and
+ * it needs to see every deferred qc. Set dev_blocked to 1 to
+ * prevent SCSI midlayer from automatically deferring
+ * requests.
+ */
+ sdev->max_device_blocked = 1;
}
static void ata_scsi_dev_config(struct scsi_device *sdev,
ata_scsi_sdev_config(sdev);
- blk_queue_max_phys_segments(sdev->request_queue, LIBATA_MAX_PRD);
-
sdev->manage_start_stop = 1;
if (dev)
goto invalid_fld; /* LOEJ bit set not supported */
if (((cdb[4] >> 4) & 0xf) != 0)
goto invalid_fld; /* power conditions not supported */
+
+ if (qc->dev->horkage & ATA_HORKAGE_SKIP_PM) {
+ /* the device lacks PM support, finish without doing anything */
+ scmd->result = SAM_STAT_GOOD;
+ return 1;
+ }
+
if (cdb[4] & 0x1) {
tf->nsect = 1; /* 1 sector, lba=0 */
static void ata_scsi_qc_complete(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
+ struct ata_eh_info *ehi = &qc->dev->link->eh_info;
struct scsi_cmnd *cmd = qc->scsicmd;
u8 *cdb = cmd->cmnd;
int need_sense = (qc->err_mask != 0);
case ATA_CMD_SET_FEATURES:
if ((qc->tf.feature == SETFEATURES_WC_ON) ||
(qc->tf.feature == SETFEATURES_WC_OFF)) {
- ap->eh_info.action |= ATA_EH_REVALIDATE;
+ ehi->action |= ATA_EH_REVALIDATE;
ata_port_schedule_eh(ap);
}
break;
case ATA_CMD_INIT_DEV_PARAMS: /* CHS translation changed */
case ATA_CMD_SET_MULTI: /* multi_count changed */
- ap->eh_info.action |= ATA_EH_REVALIDATE;
+ ehi->action |= ATA_EH_REVALIDATE;
ata_port_schedule_eh(ap);
break;
}
ata_qc_free(qc);
}
-/**
- * ata_scmd_need_defer - Check whether we need to defer scmd
- * @dev: ATA device to which the command is addressed
- * @is_io: Is the command IO (and thus possibly NCQ)?
- *
- * NCQ and non-NCQ commands cannot run together. As upper layer
- * only knows the queue depth, we are responsible for maintaining
- * exclusion. This function checks whether a new command can be
- * issued to @dev.
- *
- * LOCKING:
- * spin_lock_irqsave(host lock)
- *
- * RETURNS:
- * 1 if deferring is needed, 0 otherwise.
- */
-static int ata_scmd_need_defer(struct ata_device *dev, int is_io)
-{
- struct ata_port *ap = dev->ap;
- int is_ncq = is_io && ata_ncq_enabled(dev);
-
- if (is_ncq) {
- if (!ata_tag_valid(ap->active_tag))
- return 0;
- } else {
- if (!ata_tag_valid(ap->active_tag) && !ap->sactive)
- return 0;
- }
- return 1;
-}
-
/**
* ata_scsi_translate - Translate then issue SCSI command to ATA device
* @dev: ATA device to which the command is addressed
void (*done)(struct scsi_cmnd *),
ata_xlat_func_t xlat_func)
{
+ struct ata_port *ap = dev->link->ap;
struct ata_queued_cmd *qc;
- int is_io = xlat_func == ata_scsi_rw_xlat;
+ int rc;
VPRINTK("ENTER\n");
- if (unlikely(ata_scmd_need_defer(dev, is_io)))
- goto defer;
-
qc = ata_scsi_qc_new(dev, cmd, done);
if (!qc)
goto err_mem;
/* data is present; dma-map it */
if (cmd->sc_data_direction == DMA_FROM_DEVICE ||
cmd->sc_data_direction == DMA_TO_DEVICE) {
- if (unlikely(cmd->request_bufflen < 1)) {
+ if (unlikely(scsi_bufflen(cmd) < 1)) {
ata_dev_printk(dev, KERN_WARNING,
"WARNING: zero len r/w req\n");
goto err_did;
}
- if (cmd->use_sg)
- ata_sg_init(qc, cmd->request_buffer, cmd->use_sg);
- else
- ata_sg_init_one(qc, cmd->request_buffer,
- cmd->request_bufflen);
+ ata_sg_init(qc, scsi_sglist(cmd), scsi_sg_count(cmd));
qc->dma_dir = cmd->sc_data_direction;
}
if (xlat_func(qc))
goto early_finish;
+ if (ap->ops->qc_defer) {
+ if ((rc = ap->ops->qc_defer(qc)))
+ goto defer;
+ }
+
/* select device, send command to hardware */
ata_qc_issue(qc);
return 0;
defer:
+ ata_qc_free(qc);
DPRINTK("EXIT - defer\n");
- return SCSI_MLQUEUE_DEVICE_BUSY;
+ if (rc == ATA_DEFER_LINK)
+ return SCSI_MLQUEUE_DEVICE_BUSY;
+ else
+ return SCSI_MLQUEUE_HOST_BUSY;
}
/**
u8 *buf;
unsigned int buflen;
- if (cmd->use_sg) {
- struct scatterlist *sg;
+ struct scatterlist *sg = scsi_sglist(cmd);
- sg = (struct scatterlist *) cmd->request_buffer;
+ if (sg) {
buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
buflen = sg->length;
} else {
- buf = cmd->request_buffer;
- buflen = cmd->request_bufflen;
+ buf = NULL;
+ buflen = 0;
}
*buf_out = buf;
static inline void ata_scsi_rbuf_put(struct scsi_cmnd *cmd, u8 *buf)
{
- if (cmd->use_sg) {
- struct scatterlist *sg;
-
- sg = (struct scatterlist *) cmd->request_buffer;
+ struct scatterlist *sg = scsi_sglist(cmd);
+ if (sg)
kunmap_atomic(buf - sg->offset, KM_IRQ0);
- }
}
/**
return 0;
}
+/**
+ * ata_scsiop_inq_89 - Simulate INQUIRY VPD page 89, ATA info
+ * @args: device IDENTIFY data / SCSI command of interest.
+ * @rbuf: Response buffer, to which simulated SCSI cmd output is sent.
+ * @buflen: Response buffer length.
+ *
+ * Yields SAT-specified ATA VPD page.
+ *
+ * LOCKING:
+ * spin_lock_irqsave(host lock)
+ */
+
+unsigned int ata_scsiop_inq_89(struct ata_scsi_args *args, u8 *rbuf,
+ unsigned int buflen)
+{
+ u8 pbuf[60];
+ struct ata_taskfile tf;
+ unsigned int i;
+
+ if (!buflen)
+ return 0;
+
+ memset(&pbuf, 0, sizeof(pbuf));
+ memset(&tf, 0, sizeof(tf));
+
+ pbuf[1] = 0x89; /* our page code */
+ pbuf[2] = (0x238 >> 8); /* page size fixed at 238h */
+ pbuf[3] = (0x238 & 0xff);
+
+ memcpy(&pbuf[8], "linux ", 8);
+ memcpy(&pbuf[16], "libata ", 16);
+ memcpy(&pbuf[32], DRV_VERSION, 4);
+ ata_id_string(args->id, &pbuf[32], ATA_ID_FW_REV, 4);
+
+ /* we don't store the ATA device signature, so we fake it */
+
+ tf.command = ATA_DRDY; /* really, this is Status reg */
+ tf.lbal = 0x1;
+ tf.nsect = 0x1;
+
+ ata_tf_to_fis(&tf, 0, 1, &pbuf[36]); /* TODO: PMP? */
+ pbuf[36] = 0x34; /* force D2H Reg FIS (34h) */
+
+ pbuf[56] = ATA_CMD_ID_ATA;
+
+ i = min(buflen, 60U);
+ memcpy(rbuf, &pbuf[0], i);
+ buflen -= i;
+
+ if (!buflen)
+ return 0;
+
+ memcpy(&rbuf[60], &args->id[0], min(buflen, 512U));
+ return 0;
+}
+
/**
* ata_scsiop_noop - Command handler that simply returns success.
* @args: device IDENTIFY data / SCSI command of interest.
qc->tf.feature |= ATAPI_PKT_DMA;
} else {
qc->tf.protocol = ATA_PROT_ATAPI;
- qc->tf.lbam = (8 * 1024) & 0xff;
- qc->tf.lbah = (8 * 1024) >> 8;
+ qc->tf.lbam = SCSI_SENSE_BUFFERSIZE;
+ qc->tf.lbah = 0;
}
qc->nbytes = SCSI_SENSE_BUFFERSIZE;
struct ata_device *dev = qc->dev;
int using_pio = (dev->flags & ATA_DFLAG_PIO);
int nodata = (scmd->sc_data_direction == DMA_NONE);
+ unsigned int nbytes;
memset(qc->cdb, 0, dev->cdb_len);
memcpy(qc->cdb, scmd->cmnd, scmd->cmd_len);
}
qc->tf.command = ATA_CMD_PACKET;
- qc->nbytes = scmd->request_bufflen;
+ qc->nbytes = scsi_bufflen(scmd);
/* check whether ATAPI DMA is safe */
if (!using_pio && ata_check_atapi_dma(qc))
using_pio = 1;
+ /* Some controller variants snoop this value for Packet transfers
+ to do state machine and FIFO management. Thus we want to set it
+ properly, and for DMA where it is effectively meaningless */
+ nbytes = min(qc->nbytes, (unsigned int)63 * 1024);
+
+ qc->tf.lbam = (nbytes & 0xFF);
+ qc->tf.lbah = (nbytes >> 8);
+
if (using_pio || nodata) {
/* no data, or PIO data xfer */
if (nodata)
qc->tf.protocol = ATA_PROT_ATAPI_NODATA;
else
qc->tf.protocol = ATA_PROT_ATAPI;
- qc->tf.lbam = (8 * 1024) & 0xff;
- qc->tf.lbah = (8 * 1024) >> 8;
} else {
/* DMA data xfer */
qc->tf.protocol = ATA_PROT_ATAPI_DMA;
qc->tf.feature |= ATAPI_DMADIR;
}
+
+ /* FIXME: We need to translate 0x05 READ_BLOCK_LIMITS to a MODE_SENSE
+ as ATAPI tape drives don't get this right otherwise */
return 0;
}
-static struct ata_device * ata_find_dev(struct ata_port *ap, int id)
+static struct ata_device * ata_find_dev(struct ata_port *ap, int devno)
{
- if (likely(id < ATA_MAX_DEVICES))
- return &ap->device[id];
+ if (ap->nr_pmp_links == 0) {
+ if (likely(devno < ata_link_max_devices(&ap->link)))
+ return &ap->link.device[devno];
+ } else {
+ if (likely(devno < ap->nr_pmp_links))
+ return &ap->pmp_link[devno].device[0];
+ }
+
return NULL;
}
static struct ata_device * __ata_scsi_find_dev(struct ata_port *ap,
const struct scsi_device *scsidev)
{
+ int devno;
+
/* skip commands not addressed to targets we simulate */
- if (unlikely(scsidev->channel || scsidev->lun))
- return NULL;
+ if (ap->nr_pmp_links == 0) {
+ if (unlikely(scsidev->channel || scsidev->lun))
+ return NULL;
+ devno = scsidev->id;
+ } else {
+ if (unlikely(scsidev->id || scsidev->lun))
+ return NULL;
+ devno = scsidev->channel;
+ }
- return ata_find_dev(ap, scsidev->id);
+ return ata_find_dev(ap, devno);
}
/**
if (unlikely(!ata_dev_enabled(dev)))
return 0;
- if (!atapi_enabled || (dev->ap->flags & ATA_FLAG_NO_ATAPI)) {
+ if (!atapi_enabled || (dev->link->ap->flags & ATA_FLAG_NO_ATAPI)) {
if (unlikely(dev->class == ATA_DEV_ATAPI)) {
ata_dev_printk(dev, KERN_WARNING,
"WARNING: ATAPI is %s, device ignored.\n",
case ATA_CMD_WRITE_LONG_ONCE:
if (tf->protocol != ATA_PROT_PIO || tf->nsect != 1)
goto invalid_fld;
- qc->sect_size = scmd->request_bufflen;
+ qc->sect_size = scsi_bufflen(scmd);
}
/*
* TODO: find out if we need to do more here to
* cover scatter/gather case.
*/
- qc->nbytes = scmd->request_bufflen;
+ qc->nbytes = scsi_bufflen(scmd);
/* request result TF */
qc->flags |= ATA_QCFLAG_RESULT_TF;
void (*done)(struct scsi_cmnd *),
struct ata_device *dev)
{
+ u8 scsi_op = scmd->cmnd[0];
+ ata_xlat_func_t xlat_func;
int rc = 0;
- if (unlikely(!scmd->cmd_len || scmd->cmd_len > dev->cdb_len)) {
- DPRINTK("bad CDB len=%u, max=%u\n",
- scmd->cmd_len, dev->cdb_len);
- scmd->result = DID_ERROR << 16;
- done(scmd);
- return 0;
- }
-
if (dev->class == ATA_DEV_ATA) {
- ata_xlat_func_t xlat_func = ata_get_xlat_func(dev,
- scmd->cmnd[0]);
+ if (unlikely(!scmd->cmd_len || scmd->cmd_len > dev->cdb_len))
+ goto bad_cdb_len;
- if (xlat_func)
- rc = ata_scsi_translate(dev, scmd, done, xlat_func);
- else
- ata_scsi_simulate(dev, scmd, done);
- } else
- rc = ata_scsi_translate(dev, scmd, done, atapi_xlat);
+ xlat_func = ata_get_xlat_func(dev, scsi_op);
+ } else {
+ if (unlikely(!scmd->cmd_len))
+ goto bad_cdb_len;
+
+ xlat_func = NULL;
+ if (likely((scsi_op != ATA_16) || !atapi_passthru16)) {
+ /* relay SCSI command to ATAPI device */
+ if (unlikely(scmd->cmd_len > dev->cdb_len))
+ goto bad_cdb_len;
+
+ xlat_func = atapi_xlat;
+ } else {
+ /* ATA_16 passthru, treat as an ATA command */
+ if (unlikely(scmd->cmd_len > 16))
+ goto bad_cdb_len;
+
+ xlat_func = ata_get_xlat_func(dev, scsi_op);
+ }
+ }
+
+ if (xlat_func)
+ rc = ata_scsi_translate(dev, scmd, done, xlat_func);
+ else
+ ata_scsi_simulate(dev, scmd, done);
return rc;
+
+ bad_cdb_len:
+ DPRINTK("bad CDB len=%u, scsi_op=0x%02x, max=%u\n",
+ scmd->cmd_len, scsi_op, dev->cdb_len);
+ scmd->result = DID_ERROR << 16;
+ done(scmd);
+ return 0;
}
/**
{
struct ata_scsi_args args;
const u8 *scsicmd = cmd->cmnd;
+ u8 tmp8;
args.dev = dev;
args.id = dev->id;
args.done = done;
switch(scsicmd[0]) {
- /* no-op's, complete with success */
- case SYNCHRONIZE_CACHE:
- case REZERO_UNIT:
- case SEEK_6:
- case SEEK_10:
- case TEST_UNIT_READY:
- case FORMAT_UNIT: /* FIXME: correct? */
- case SEND_DIAGNOSTIC: /* FIXME: correct? */
- ata_scsi_rbuf_fill(&args, ata_scsiop_noop);
+ /* TODO: worth improving? */
+ case FORMAT_UNIT:
+ ata_scsi_invalid_field(cmd, done);
break;
case INQUIRY:
ata_scsi_invalid_field(cmd, done);
else if ((scsicmd[1] & 1) == 0) /* is EVPD clear? */
ata_scsi_rbuf_fill(&args, ata_scsiop_inq_std);
- else if (scsicmd[2] == 0x00)
+ else switch (scsicmd[2]) {
+ case 0x00:
ata_scsi_rbuf_fill(&args, ata_scsiop_inq_00);
- else if (scsicmd[2] == 0x80)
+ break;
+ case 0x80:
ata_scsi_rbuf_fill(&args, ata_scsiop_inq_80);
- else if (scsicmd[2] == 0x83)
+ break;
+ case 0x83:
ata_scsi_rbuf_fill(&args, ata_scsiop_inq_83);
- else
+ break;
+ case 0x89:
+ ata_scsi_rbuf_fill(&args, ata_scsiop_inq_89);
+ break;
+ default:
ata_scsi_invalid_field(cmd, done);
+ break;
+ }
break;
case MODE_SENSE:
ata_scsi_rbuf_fill(&args, ata_scsiop_report_luns);
break;
- /* mandatory commands we haven't implemented yet */
case REQUEST_SENSE:
+ ata_scsi_set_sense(cmd, 0, 0, 0);
+ cmd->result = (DRIVER_SENSE << 24);
+ done(cmd);
+ break;
+
+ /* if we reach this, then writeback caching is disabled,
+ * turning this into a no-op.
+ */
+ case SYNCHRONIZE_CACHE:
+ /* fall through */
+
+ /* no-op's, complete with success */
+ case REZERO_UNIT:
+ case SEEK_6:
+ case SEEK_10:
+ case TEST_UNIT_READY:
+ ata_scsi_rbuf_fill(&args, ata_scsiop_noop);
+ break;
+
+ case SEND_DIAGNOSTIC:
+ tmp8 = scsicmd[1] & ~(1 << 3);
+ if ((tmp8 == 0x4) && (!scsicmd[3]) && (!scsicmd[4]))
+ ata_scsi_rbuf_fill(&args, ata_scsiop_noop);
+ else
+ ata_scsi_invalid_field(cmd, done);
+ break;
/* all other commands */
default:
shost->max_channel = 1;
shost->max_cmd_len = 16;
+ /* Schedule policy is determined by ->qc_defer()
+ * callback and it needs to see every deferred qc.
+ * Set host_blocked to 1 to prevent SCSI midlayer from
+ * automatically deferring requests.
+ */
+ shost->max_host_blocked = 1;
+
rc = scsi_add_host(ap->scsi_host, ap->host->dev);
if (rc)
goto err_add;
{
int tries = 5;
struct ata_device *last_failed_dev = NULL;
+ struct ata_link *link;
struct ata_device *dev;
- unsigned int i;
if (ap->flags & ATA_FLAG_DISABLED)
return;
repeat:
- for (i = 0; i < ATA_MAX_DEVICES; i++) {
- struct scsi_device *sdev;
+ ata_port_for_each_link(link, ap) {
+ ata_link_for_each_dev(dev, link) {
+ struct scsi_device *sdev;
+ int channel = 0, id = 0;
- dev = &ap->device[i];
+ if (!ata_dev_enabled(dev) || dev->sdev)
+ continue;
- if (!ata_dev_enabled(dev) || dev->sdev)
- continue;
+ if (ata_is_host_link(link))
+ id = dev->devno;
+ else
+ channel = link->pmp;
- sdev = __scsi_add_device(ap->scsi_host, 0, i, 0, NULL);
- if (!IS_ERR(sdev)) {
- dev->sdev = sdev;
- scsi_device_put(sdev);
+ sdev = __scsi_add_device(ap->scsi_host, channel, id, 0,
+ NULL);
+ if (!IS_ERR(sdev)) {
+ dev->sdev = sdev;
+ scsi_device_put(sdev);
+ }
}
}
* failure occurred, scan would have failed silently. Check
* whether all devices are attached.
*/
- for (i = 0; i < ATA_MAX_DEVICES; i++) {
- dev = &ap->device[i];
- if (ata_dev_enabled(dev) && !dev->sdev)
- break;
+ ata_port_for_each_link(link, ap) {
+ ata_link_for_each_dev(dev, link) {
+ if (ata_dev_enabled(dev) && !dev->sdev)
+ goto exit_loop;
+ }
}
- if (i == ATA_MAX_DEVICES)
+ exit_loop:
+ if (!link)
return;
/* we're missing some SCSI devices */
*/
static void ata_scsi_remove_dev(struct ata_device *dev)
{
- struct ata_port *ap = dev->ap;
+ struct ata_port *ap = dev->link->ap;
struct scsi_device *sdev;
unsigned long flags;
}
}
+static void ata_scsi_handle_link_detach(struct ata_link *link)
+{
+ struct ata_port *ap = link->ap;
+ struct ata_device *dev;
+
+ ata_link_for_each_dev(dev, link) {
+ unsigned long flags;
+
+ if (!(dev->flags & ATA_DFLAG_DETACHED))
+ continue;
+
+ spin_lock_irqsave(ap->lock, flags);
+ dev->flags &= ~ATA_DFLAG_DETACHED;
+ spin_unlock_irqrestore(ap->lock, flags);
+
+ ata_scsi_remove_dev(dev);
+ }
+}
+
+/**
+ * ata_scsi_media_change_notify - send media change event
+ * @dev: Pointer to the disk device with media change event
+ *
+ * Tell the block layer to send a media change notification
+ * event.
+ *
+ * LOCKING:
+ * spin_lock_irqsave(host lock)
+ */
+void ata_scsi_media_change_notify(struct ata_device *dev)
+{
+#ifdef OTHER_AN_PATCHES_HAVE_BEEN_APPLIED
+ if (dev->sdev)
+ scsi_device_event_notify(dev->sdev, SDEV_MEDIA_CHANGE);
+#endif
+}
+
/**
* ata_scsi_hotplug - SCSI part of hotplug
* @work: Pointer to ATA port to perform SCSI hotplug on
DPRINTK("ENTER\n");
- /* unplug detached devices */
- for (i = 0; i < ATA_MAX_DEVICES; i++) {
- struct ata_device *dev = &ap->device[i];
- unsigned long flags;
-
- if (!(dev->flags & ATA_DFLAG_DETACHED))
- continue;
-
- spin_lock_irqsave(ap->lock, flags);
- dev->flags &= ~ATA_DFLAG_DETACHED;
- spin_unlock_irqrestore(ap->lock, flags);
-
- ata_scsi_remove_dev(dev);
- }
+ /* Unplug detached devices. We cannot use link iterator here
+ * because PMP links have to be scanned even if PMP is
+ * currently not attached. Iterate manually.
+ */
+ ata_scsi_handle_link_detach(&ap->link);
+ if (ap->pmp_link)
+ for (i = 0; i < SATA_PMP_MAX_PORTS; i++)
+ ata_scsi_handle_link_detach(&ap->pmp_link[i]);
/* scan for new ones */
ata_scsi_scan_host(ap, 0);
{
struct ata_port *ap = ata_shost_to_port(shost);
unsigned long flags;
- int rc = 0;
+ int devno, rc = 0;
if (!ap->ops->error_handler)
return -EOPNOTSUPP;
- if ((channel != SCAN_WILD_CARD && channel != 0) ||
- (lun != SCAN_WILD_CARD && lun != 0))
+ if (lun != SCAN_WILD_CARD && lun)
return -EINVAL;
+ if (ap->nr_pmp_links == 0) {
+ if (channel != SCAN_WILD_CARD && channel)
+ return -EINVAL;
+ devno = id;
+ } else {
+ if (id != SCAN_WILD_CARD && id)
+ return -EINVAL;
+ devno = channel;
+ }
+
spin_lock_irqsave(ap->lock, flags);
- if (id == SCAN_WILD_CARD) {
- ap->eh_info.probe_mask |= (1 << ATA_MAX_DEVICES) - 1;
- ap->eh_info.action |= ATA_EH_SOFTRESET;
+ if (devno == SCAN_WILD_CARD) {
+ struct ata_link *link;
+
+ ata_port_for_each_link(link, ap) {
+ struct ata_eh_info *ehi = &link->eh_info;
+ ehi->probe_mask |= (1 << ata_link_max_devices(link)) - 1;
+ ehi->action |= ATA_EH_SOFTRESET;
+ }
} else {
- struct ata_device *dev = ata_find_dev(ap, id);
+ struct ata_device *dev = ata_find_dev(ap, devno);
if (dev) {
- ap->eh_info.probe_mask |= 1 << dev->devno;
- ap->eh_info.action |= ATA_EH_SOFTRESET;
- ap->eh_info.flags |= ATA_EHI_RESUME_LINK;
+ struct ata_eh_info *ehi = &dev->link->eh_info;
+ ehi->probe_mask |= 1 << dev->devno;
+ ehi->action |= ATA_EH_SOFTRESET;
+ ehi->flags |= ATA_EHI_RESUME_LINK;
} else
rc = -EINVAL;
}
{
struct ata_port *ap =
container_of(work, struct ata_port, scsi_rescan_task);
+ struct ata_link *link;
+ struct ata_device *dev;
unsigned long flags;
- unsigned int i;
spin_lock_irqsave(ap->lock, flags);
- for (i = 0; i < ATA_MAX_DEVICES; i++) {
- struct ata_device *dev = &ap->device[i];
- struct scsi_device *sdev = dev->sdev;
+ ata_port_for_each_link(link, ap) {
+ ata_link_for_each_dev(dev, link) {
+ struct scsi_device *sdev = dev->sdev;
- if (!ata_dev_enabled(dev) || !sdev)
- continue;
- if (scsi_device_get(sdev))
- continue;
+ if (!ata_dev_enabled(dev) || !sdev)
+ continue;
+ if (scsi_device_get(sdev))
+ continue;
- spin_unlock_irqrestore(ap->lock, flags);
- scsi_rescan_device(&(sdev->sdev_gendev));
- scsi_device_put(sdev);
- spin_lock_irqsave(ap->lock, flags);
+ spin_unlock_irqrestore(ap->lock, flags);
+ scsi_rescan_device(&(sdev->sdev_gendev));
+ scsi_device_put(sdev);
+ spin_lock_irqsave(ap->lock, flags);
+ }
}
spin_unlock_irqrestore(ap->lock, flags);
int ata_sas_slave_configure(struct scsi_device *sdev, struct ata_port *ap)
{
ata_scsi_sdev_config(sdev);
- ata_scsi_dev_config(sdev, ap->device);
+ ata_scsi_dev_config(sdev, ap->link.device);
return 0;
}
EXPORT_SYMBOL_GPL(ata_sas_slave_configure);
ata_scsi_dump_cdb(ap, cmd);
- if (likely(ata_scsi_dev_enabled(ap->device)))
- rc = __ata_scsi_queuecmd(cmd, done, ap->device);
+ if (likely(ata_scsi_dev_enabled(ap->link.device)))
+ rc = __ata_scsi_queuecmd(cmd, done, ap->link.device);
else {
cmd->result = (DID_BAD_TARGET << 16);
done(cmd);
git.samba.org / sfrench / cifs-2.6.git / blobdiff