diff options
| -rw-r--r-- | drivers/scsi/ahci.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/libata-core.c | 160 | ||||
| -rw-r--r-- | drivers/scsi/libata-scsi.c | 40 | ||||
| -rw-r--r-- | drivers/scsi/libata.h | 11 | ||||
| -rw-r--r-- | include/linux/libata.h | 21 |
5 files changed, 106 insertions, 128 deletions
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c index c2298fb131d..f6e4c8ea74e 100644 --- a/drivers/scsi/ahci.c +++ b/drivers/scsi/ahci.c @@ -597,7 +597,7 @@ static int ahci_softreset(struct ata_port *ap, unsigned int *class) /* restart engine */ ahci_start_engine(ap); - ata_tf_init(ap, &tf, 0); + ata_tf_init(ap->device, &tf); fis = pp->cmd_tbl; /* issue the first D2H Register FIS */ diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 31b65e0da0b..4ced962db81 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -61,13 +61,10 @@ #include "libata.h" -static unsigned int ata_dev_init_params(struct ata_port *ap, - struct ata_device *dev, - u16 heads, - u16 sectors); -static unsigned int ata_dev_set_xfermode(struct ata_port *ap, - struct ata_device *dev); -static void ata_dev_xfermask(struct ata_port *ap, struct ata_device *dev); +static unsigned int ata_dev_init_params(struct ata_device *dev, + u16 heads, u16 sectors); +static unsigned int ata_dev_set_xfermode(struct ata_device *dev); +static void ata_dev_xfermask(struct ata_device *dev); static unsigned int ata_unique_id = 1; static struct workqueue_struct *ata_wq; @@ -412,11 +409,11 @@ static const char *sata_spd_string(unsigned int spd) return spd_str[spd - 1]; } -void ata_dev_disable(struct ata_port *ap, struct ata_device *dev) +void ata_dev_disable(struct ata_device *dev) { if (ata_dev_enabled(dev)) { printk(KERN_WARNING "ata%u: dev %u disabled\n", - ap->id, dev->devno); + dev->ap->id, dev->devno); dev->class++; } } @@ -960,7 +957,6 @@ void ata_qc_complete_internal(struct ata_queued_cmd *qc) /** * ata_exec_internal - execute libata internal command - * @ap: Port to which the command is sent * @dev: Device to which the command is sent * @tf: Taskfile registers for the command and the result * @cdb: CDB for packet command @@ -978,10 +974,11 @@ void ata_qc_complete_internal(struct ata_queued_cmd *qc) * None. Should be called with kernel context, might sleep. */ -unsigned ata_exec_internal(struct ata_port *ap, struct ata_device *dev, +unsigned ata_exec_internal(struct ata_device *dev, struct ata_taskfile *tf, const u8 *cdb, int dma_dir, void *buf, unsigned int buflen) { + struct ata_port *ap = dev->ap; u8 command = tf->command; struct ata_queued_cmd *qc; DECLARE_COMPLETION(wait); @@ -990,7 +987,7 @@ unsigned ata_exec_internal(struct ata_port *ap, struct ata_device *dev, spin_lock_irqsave(&ap->host_set->lock, flags); - qc = ata_qc_new_init(ap, dev); + qc = ata_qc_new_init(dev); BUG_ON(qc == NULL); qc->tf = *tf; @@ -1095,7 +1092,6 @@ unsigned int ata_pio_need_iordy(const struct ata_device *adev) /** * ata_dev_read_id - Read ID data from the specified device - * @ap: port on which target device resides * @dev: target device * @p_class: pointer to class of the target device (may be changed) * @post_reset: is this read ID post-reset? @@ -1112,9 +1108,10 @@ unsigned int ata_pio_need_iordy(const struct ata_device *adev) * RETURNS: * 0 on success, -errno otherwise. */ -static int ata_dev_read_id(struct ata_port *ap, struct ata_device *dev, - unsigned int *p_class, int post_reset, u16 *id) +static int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, + int post_reset, u16 *id) { + struct ata_port *ap = dev->ap; unsigned int class = *p_class; struct ata_taskfile tf; unsigned int err_mask = 0; @@ -1126,7 +1123,7 @@ static int ata_dev_read_id(struct ata_port *ap, struct ata_device *dev, ata_dev_select(ap, dev->devno, 1, 1); /* select device 0/1 */ retry: - ata_tf_init(ap, &tf, dev->devno); + ata_tf_init(dev, &tf); switch (class) { case ATA_DEV_ATA: @@ -1143,7 +1140,7 @@ static int ata_dev_read_id(struct ata_port *ap, struct ata_device *dev, tf.protocol = ATA_PROT_PIO; - err_mask = ata_exec_internal(ap, dev, &tf, NULL, DMA_FROM_DEVICE, + err_mask = ata_exec_internal(dev, &tf, NULL, DMA_FROM_DEVICE, id, sizeof(id[0]) * ATA_ID_WORDS); if (err_mask) { rc = -EIO; @@ -1170,7 +1167,7 @@ static int ata_dev_read_id(struct ata_port *ap, struct ata_device *dev, * Some drives were very specific about that exact sequence. */ if (ata_id_major_version(id) < 4 || !ata_id_has_lba(id)) { - err_mask = ata_dev_init_params(ap, dev, id[3], id[6]); + err_mask = ata_dev_init_params(dev, id[3], id[6]); if (err_mask) { rc = -EIO; reason = "INIT_DEV_PARAMS failed"; @@ -1195,15 +1192,13 @@ static int ata_dev_read_id(struct ata_port *ap, struct ata_device *dev, return rc; } -static inline u8 ata_dev_knobble(const struct ata_port *ap, - struct ata_device *dev) +static inline u8 ata_dev_knobble(struct ata_device *dev) { - return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id))); + return ((dev->ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id))); } /** * ata_dev_configure - Configure the specified ATA/ATAPI device - * @ap: Port on which target device resides * @dev: Target device to configure * @print_info: Enable device info printout * @@ -1216,9 +1211,9 @@ static inline u8 ata_dev_knobble(const struct ata_port *ap, * RETURNS: * 0 on success, -errno otherwise */ -static int ata_dev_configure(struct ata_port *ap, struct ata_device *dev, - int print_info) +static int ata_dev_configure(struct ata_device *dev, int print_info) { + struct ata_port *ap = dev->ap; const u16 *id = dev->id; unsigned int xfer_mask; int i, rc; @@ -1331,7 +1326,7 @@ static int ata_dev_configure(struct ata_port *ap, struct ata_device *dev, ap->device[i].cdb_len); /* limit bridge transfers to udma5, 200 sectors */ - if (ata_dev_knobble(ap, dev)) { + if (ata_dev_knobble(dev)) { if (print_info) printk(KERN_INFO "ata%u(%u): applying bridge limits\n", ap->id, dev->devno); @@ -1416,11 +1411,11 @@ static int ata_bus_probe(struct ata_port *ap) if (!ata_dev_enabled(dev)) continue; - rc = ata_dev_read_id(ap, dev, &dev->class, 1, dev->id); + rc = ata_dev_read_id(dev, &dev->class, 1, dev->id); if (rc) goto fail; - rc = ata_dev_configure(ap, dev, 1); + rc = ata_dev_configure(dev, 1); if (rc) goto fail; } @@ -1453,13 +1448,13 @@ static int ata_bus_probe(struct ata_port *ap) default: tries[dev->devno]--; if (down_xfermask && - ata_down_xfermask_limit(ap, dev, tries[dev->devno] == 1)) + ata_down_xfermask_limit(dev, tries[dev->devno] == 1)) tries[dev->devno] = 0; } if (!tries[dev->devno]) { - ata_down_xfermask_limit(ap, dev, 1); - ata_dev_disable(ap, dev); + ata_down_xfermask_limit(dev, 1); + ata_dev_disable(dev); } goto retry; @@ -1586,15 +1581,15 @@ void sata_phy_reset(struct ata_port *ap) /** * ata_dev_pair - return other device on cable - * @ap: port * @adev: device * * Obtain the other device on the same cable, or if none is * present NULL is returned */ -struct ata_device *ata_dev_pair(struct ata_port *ap, struct ata_device *adev) +struct ata_device *ata_dev_pair(struct ata_device *adev) { + struct ata_port *ap = adev->ap; struct ata_device *pair = &ap->device[1 - adev->devno]; if (!ata_dev_enabled(pair)) return NULL; @@ -1886,7 +1881,6 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed, /** * ata_down_xfermask_limit - adjust dev xfer masks downward - * @ap: Port associated with device @dev * @dev: Device to adjust xfer masks * @force_pio0: Force PIO0 * @@ -1900,9 +1894,9 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed, * RETURNS: * 0 on success, negative errno on failure */ -int ata_down_xfermask_limit(struct ata_port *ap, struct ata_device *dev, - int force_pio0) +int ata_down_xfermask_limit(struct ata_device *dev, int force_pio0) { + struct ata_port *ap = dev->ap; unsigned long xfer_mask; int highbit; @@ -1934,8 +1928,9 @@ int ata_down_xfermask_limit(struct ata_port *ap, struct ata_device *dev, return -EINVAL; } -static int ata_dev_set_mode(struct ata_port *ap, struct ata_device *dev) +static int ata_dev_set_mode(struct ata_device *dev) { + struct ata_port *ap = dev->ap; unsigned int err_mask; int rc; @@ -1943,7 +1938,7 @@ static int ata_dev_set_mode(struct ata_port *ap, struct ata_device *dev) if (dev->xfer_shift == ATA_SHIFT_PIO) dev->flags |= ATA_DFLAG_PIO; - err_mask = ata_dev_set_xfermode(ap, dev); + err_mask = ata_dev_set_xfermode(dev); if (err_mask) { printk(KERN_ERR "ata%u: failed to set xfermode (err_mask=0x%x)\n", @@ -1951,7 +1946,7 @@ static int ata_dev_set_mode(struct ata_port *ap, struct ata_device *dev) return -EIO; } - rc = ata_dev_revalidate(ap, dev, 0); + rc = ata_dev_revalidate(dev, 0); if (rc) return rc; @@ -2007,7 +2002,7 @@ int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev) if (!ata_dev_enabled(dev)) continue; - ata_dev_xfermask(ap, dev); + ata_dev_xfermask(dev); pio_mask = ata_pack_xfermask(dev->pio_mask, 0, 0); dma_mask = ata_pack_xfermask(0, dev->mwdma_mask, dev->udma_mask); @@ -2060,7 +2055,7 @@ int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev) if (!ata_dev_enabled(dev)) continue; - rc = ata_dev_set_mode(ap, dev); + rc = ata_dev_set_mode(dev); if (rc) goto out; } @@ -2712,7 +2707,6 @@ int ata_drive_probe_reset(struct ata_port *ap, ata_probeinit_fn_t probeinit, /** * ata_dev_same_device - Determine whether new ID matches configured device - * @ap: port on which the device to compare against resides * @dev: device to compare against * @new_class: class of the new device * @new_id: IDENTIFY page of the new device @@ -2727,9 +2721,10 @@ int ata_drive_probe_reset(struct ata_port *ap, ata_probeinit_fn_t probeinit, * RETURNS: * 1 if @dev matches @new_class and @new_id, 0 otherwise. */ -static int ata_dev_same_device(struct ata_port *ap, struct ata_device *dev, - unsigned int new_class, const u16 *new_id) +static int ata_dev_same_device(struct ata_device *dev, unsigned int new_class, + const u16 *new_id) { + struct ata_port *ap = dev->ap; const u16 *old_id = dev->id; unsigned char model[2][41], serial[2][21]; u64 new_n_sectors; @@ -2774,7 +2769,6 @@ static int ata_dev_same_device(struct ata_port *ap, struct ata_device *dev, /** * ata_dev_revalidate - Revalidate ATA device - * @ap: port on which the device to revalidate resides * @dev: device to revalidate * @post_reset: is this revalidation after reset? * @@ -2787,9 +2781,9 @@ static int ata_dev_same_device(struct ata_port *ap, struct ata_device *dev, * RETURNS: * 0 on success, negative errno otherwise */ -int ata_dev_revalidate(struct ata_port *ap, struct ata_device *dev, - int post_reset) +int ata_dev_revalidate(struct ata_device *dev, int post_reset) { + struct ata_port *ap = dev->ap; unsigned int class = dev->class; u16 *id = (void *)ap->sector_buf; int rc; @@ -2800,12 +2794,12 @@ int ata_dev_revalidate(struct ata_port *ap, struct ata_device *dev, } /* read ID data */ - rc = ata_dev_read_id(ap, dev, &class, post_reset, id); + rc = ata_dev_read_id(dev, &class, post_reset, id); if (rc) goto fail; /* is the device still there? */ - if (!ata_dev_same_device(ap, dev, class, id)) { + if (!ata_dev_same_device(dev, class, id)) { rc = -ENODEV; goto fail; } @@ -2813,7 +2807,7 @@ int ata_dev_revalidate(struct ata_port *ap, struct ata_device *dev, memcpy(dev->id, id, sizeof(id[0]) * ATA_ID_WORDS); /* configure device according to the new ID */ - rc = ata_dev_configure(ap, dev, 0); + rc = ata_dev_configure(dev, 0); if (rc == 0) return 0; @@ -2895,7 +2889,6 @@ static int ata_dma_blacklisted(const struct ata_device *dev) /** * ata_dev_xfermask - Compute supported xfermask of the given device - * @ap: Port on which the device to compute xfermask for resides * @dev: Device to compute xfermask for * * Compute supported xfermask of @dev and store it in @@ -2910,8 +2903,9 @@ static int ata_dma_blacklisted(const struct ata_device *dev) * LOCKING: * None. */ -static void ata_dev_xfermask(struct ata_port *ap, struct ata_device *dev) +static void ata_dev_xfermask(struct ata_device *dev) { + struct ata_port *ap = dev->ap; struct ata_host_set *hs = ap->host_set; unsigned long xfer_mask; int i; @@ -2964,7 +2958,6 @@ static void ata_dev_xfermask(struct ata_port *ap, struct ata_device *dev) /** * ata_dev_set_xfermode - Issue SET FEATURES - XFER MODE command - * @ap: Port associated with device @dev * @dev: Device to which command will be sent * * Issue SET FEATURES - XFER MODE command to device @dev @@ -2977,8 +2970,7 @@ static void ata_dev_xfermask(struct ata_port *ap, struct ata_device *dev) * 0 on success, AC_ERR_* mask otherwise. */ -static unsigned int ata_dev_set_xfermode(struct ata_port *ap, - struct ata_device *dev) +static unsigned int ata_dev_set_xfermode(struct ata_device *dev) { struct ata_taskfile tf; unsigned int err_mask; @@ -2986,14 +2978,14 @@ static unsigned int ata_dev_set_xfermode(struct ata_port *ap, /* set up set-features taskfile */ DPRINTK("set features - xfer mode\n"); - ata_tf_init(ap, &tf, dev->devno); + ata_tf_init(dev, &tf); tf.command = ATA_CMD_SET_FEATURES; tf.feature = SETFEATURES_XFER; tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; tf.protocol = ATA_PROT_NODATA; tf.nsect = dev->xfer_mode; - err_mask = ata_exec_internal(ap, dev, &tf, NULL, DMA_NONE, NULL, 0); + err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0); DPRINTK("EXIT, err_mask=%x\n", err_mask); return err_mask; @@ -3001,8 +2993,9 @@ static unsigned int ata_dev_set_xfermode(struct ata_port *ap, /** * ata_dev_init_params - Issue INIT DEV PARAMS command - * @ap: Port associated with device @dev * @dev: Device to which command will be sent + * @heads: Number of heads + * @sectors: Number of sectors * * LOCKING: * Kernel thread context (may sleep) @@ -3010,11 +3003,8 @@ static unsigned int ata_dev_set_xfermode(struct ata_port *ap, * RETURNS: * 0 on success, AC_ERR_* mask otherwise. */ - -static unsigned int ata_dev_init_params(struct ata_port *ap, - struct ata_device *dev, - u16 heads, - u16 sectors) +static unsigned int ata_dev_init_params(struct ata_device *dev, + u16 heads, u16 sectors) { struct ata_taskfile tf; unsigned int err_mask; @@ -3026,14 +3016,14 @@ static unsigned int ata_dev_init_params(struct ata_port *ap, /* set up init dev params taskfile */ DPRINTK("init dev params \n"); - ata_tf_init(ap, &tf, dev->devno); + ata_tf_init(dev, &tf); tf.command = ATA_CMD_INIT_DEV_PARAMS; tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE; tf.protocol = ATA_PROT_NODATA; tf.nsect = sectors; tf.device |= (heads - 1) & 0x0f; /* max head = num. of heads - 1 */ - err_mask = ata_exec_internal(ap, dev, &tf, NULL, DMA_NONE, NULL, 0); + err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0); DPRINTK("EXIT, err_mask=%x\n", err_mask); return err_mask; @@ -4045,16 +4035,15 @@ static struct ata_queued_cmd *ata_qc_new(struct ata_port *ap) /** * ata_qc_new_init - Request an available ATA command, and initialize it - * @ap: Port associated with device @dev * @dev: Device from whom we request an available command structure * * LOCKING: * None. */ -struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap, - struct ata_device *dev) +struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev) { + struct ata_port *ap = dev->ap; struct ata_queued_cmd *qc; qc = ata_qc_new(ap); @@ -4520,19 +4509,18 @@ int ata_port_offline(struct ata_port *ap) * Execute a 'simple' command, that only consists of the opcode 'cmd' itself, * without filling any other registers */ -static int ata_do_simple_cmd(struct ata_port *ap, struct ata_device *dev, - u8 cmd) +static int ata_do_simple_cmd(struct ata_device *dev, u8 cmd) { struct ata_taskfile tf; int err; - ata_tf_init(ap, &tf, dev->devno); + ata_tf_init(dev, &tf); tf.command = cmd; tf.flags |= ATA_TFLAG_DEVICE; tf.protocol = ATA_PROT_NODATA; - err = ata_exec_internal(ap, dev, &tf, NULL, DMA_NONE, NULL, 0); + err = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0); if (err) printk(KERN_ERR "%s: ata command failed: %d\n", __FUNCTION__, err); @@ -4540,7 +4528,7 @@ static int ata_do_simple_cmd(struct ata_port *ap, struct ata_device *dev, return err; } -static int ata_flush_cache(struct ata_port *ap, struct ata_device *dev) +static int ata_flush_cache(struct ata_device *dev) { u8 cmd; @@ -4552,22 +4540,21 @@ static int ata_flush_cache(struct ata_port *ap, struct ata_device *dev) else cmd = ATA_CMD_FLUSH; - return ata_do_simple_cmd(ap, dev, cmd); + return ata_do_simple_cmd(dev, cmd); } -static int ata_standby_drive(struct ata_port *ap, struct ata_device *dev) +static int ata_standby_drive(struct ata_device *dev) { - return ata_do_simple_cmd(ap, dev, ATA_CMD_STANDBYNOW1); + return ata_do_simple_cmd(dev, ATA_CMD_STANDBYNOW1); } -static int ata_start_drive(struct ata_port *ap, struct ata_device *dev) +static int ata_start_drive(struct ata_device *dev) { - return ata_do_simple_cmd(ap, dev, ATA_CMD_IDLEIMMEDIATE); + return ata_do_simple_cmd(dev, ATA_CMD_IDLEIMMEDIATE); } /** * ata_device_resume - wakeup a previously suspended devices - * @ap: port the device is connected to * @dev: the device to resume * * Kick the drive back into action, by sending it an idle immediate @@ -4575,39 +4562,42 @@ static int ata_start_drive(struct ata_port *ap, struct ata_device *dev) * and host. * */ -int ata_device_resume(struct ata_port *ap, struct ata_device *dev) +int ata_device_resume(struct ata_device *dev) { + struct ata_port *ap = dev->ap; + if (ap->flags & ATA_FLAG_SUSPENDED) { struct ata_device *failed_dev; ap->flags &= ~ATA_FLAG_SUSPENDED; while (ata_set_mode(ap, &failed_dev)) - ata_dev_disable(ap, failed_dev); + ata_dev_disable(failed_dev); } if (!ata_dev_enabled(dev)) return 0; if (dev->class == ATA_DEV_ATA) - ata_start_drive(ap, dev); + ata_start_drive(dev); return 0; } /** * ata_device_suspend - prepare a device for suspend - * @ap: port the device is connected to * @dev: the device to suspend * * Flush the cache on the drive, if appropriate, then issue a * standbynow command. */ -int ata_device_suspend(struct ata_port *ap, struct ata_device *dev, pm_message_t state) +int ata_device_suspend(struct ata_device *dev, pm_message_t state) { + struct ata_port *ap = dev->ap; + if (!ata_dev_enabled(dev)) return 0; if (dev->class == ATA_DEV_ATA) - ata_flush_cache(ap, dev); + ata_flush_cache(dev); if (state.event != PM_EVENT_FREEZE) - ata_standby_drive(ap, dev); + ata_standby_drive(dev); ap->flags |= ATA_FLAG_SUSPENDED; return 0; } diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index ce90b6352a8..fcbf64e741b 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -302,7 +302,6 @@ int ata_scsi_ioctl(struct scsi_device *scsidev, int cmd, void __user *arg) /** * ata_scsi_qc_new - acquire new ata_queued_cmd reference - * @ap: ATA port to which the new command is attached * @dev: ATA device to which the new command is attached * @cmd: SCSI command that originated this ATA command * @done: SCSI command completion function @@ -321,14 +320,13 @@ int ata_scsi_ioctl(struct scsi_device *scsidev, int cmd, void __user *arg) * RETURNS: * Command allocated, or %NULL if none available. */ -struct ata_queued_cmd *ata_scsi_qc_new(struct ata_port *ap, - struct ata_device *dev, +struct ata_queued_cmd *ata_scsi_qc_new(struct ata_device *dev, struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct ata_queued_cmd *qc; - qc = ata_qc_new_init(ap, dev); + qc = ata_qc_new_init(dev); if (qc) { qc->scsicmd = cmd; qc->scsidone = done; @@ -398,7 +396,7 @@ int ata_scsi_device_resume(struct scsi_device *sdev) struct ata_port *ap = ata_shost_to_port(sdev->host); struct ata_device *dev = &ap->device[sdev->id]; - return ata_device_resume(ap, dev); + return ata_device_resume(dev); } int ata_scsi_device_suspend(struct scsi_device *sdev, pm_message_t state) @@ -406,7 +404,7 @@ int ata_scsi_device_suspend(struct scsi_device *sdev, pm_message_t state) struct ata_port *ap = ata_shost_to_port(sdev->host); struct ata_device *dev = &ap->device[sdev->id]; - return ata_device_suspend(ap, dev, state); + return ata_device_suspend(dev, state); } /** @@ -1224,7 +1222,6 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc) /** * ata_scsi_translate - Translate then issue SCSI command to ATA device - * @ap: ATA port to which the command is addressed * @dev: ATA device to which the command is addressed * @cmd: SCSI command to execute * @done: SCSI command completion function @@ -1247,17 +1244,16 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc) * spin_lock_irqsave(host_set lock) */ -static void ata_scsi_translate(struct ata_port *ap, struct ata_device *dev, - struct scsi_cmnd *cmd, - void (*done)(struct scsi_cmnd *), - ata_xlat_func_t xlat_func) +static void ata_scsi_translate(struct ata_device *dev, struct scsi_cmnd *cmd, + void (*done)(struct scsi_cmnd *), + ata_xlat_func_t xlat_func) { struct ata_queued_cmd *qc; u8 *scsicmd = cmd->cmnd; VPRINTK("ENTER\n"); - qc = ata_scsi_qc_new(ap, dev, cmd, done); + qc = ata_scsi_qc_new(dev, cmd, done); if (!qc) goto err_mem; @@ -1266,7 +1262,7 @@ static void ata_scsi_translate(struct ata_port *ap, struct ata_device *dev, cmd->sc_data_direction == DMA_TO_DEVICE) { if (unlikely(cmd->request_bufflen < 1)) { printk(KERN_WARNING "ata%u(%u): WARNING: zero len r/w req\n", - ap->id, dev->devno); + dev->ap->id, dev->devno); goto err_did; } @@ -2433,19 +2429,20 @@ static inline void ata_scsi_dump_cdb(struct ata_port *ap, #endif } -static inline void __ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *), - struct ata_port *ap, struct ata_device *dev) +static inline void __ata_scsi_queuecmd(struct scsi_cmnd *cmd, + void (*done)(struct scsi_cmnd *), + struct ata_device *dev) { if (dev->class == ATA_DEV_ATA) { ata_xlat_func_t xlat_func = ata_get_xlat_func(dev, cmd->cmnd[0]); if (xlat_func) - ata_scsi_translate(ap, dev, cmd, done, xlat_func); + ata_scsi_translate(dev, cmd, done, xlat_func); else - ata_scsi_simulate(ap, dev, cmd, done); + ata_scsi_simulate(dev, cmd, done); } else - ata_scsi_translate(ap, dev, cmd, done, atapi_xlat); + ata_scsi_translate(dev, cmd, done, atapi_xlat); } /** @@ -2483,7 +2480,7 @@ int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) dev = ata_scsi_find_dev(ap, scsidev); if (likely(dev)) - __ata_scsi_queuecmd(cmd, done, ap, dev); + __ata_scsi_queuecmd(cmd, done, dev); else { cmd->result = (DID_BAD_TARGET << 16); done(cmd); @@ -2496,7 +2493,6 @@ int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) /** * ata_scsi_simulate - simulate SCSI command on ATA device - * @ap: port the device is connected to * @dev: the target device * @cmd: SCSI command being sent to device. * @done: SCSI command completion function. @@ -2508,14 +2504,12 @@ int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) * spin_lock_irqsave(host_set lock) */ -void ata_scsi_simulate(struct ata_port *ap, struct ata_device *dev, - struct scsi_cmnd *cmd, +void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) { struct ata_scsi_args args; const u8 *scsicmd = cmd->cmnd; - args.ap = ap; args.dev = dev; args.id = dev->id; args.cmd = cmd; diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h index 6442c2f1a80..c9ff83bbcfa 100644 --- a/drivers/scsi/libata.h +++ b/drivers/scsi/libata.h @@ -32,7 +32,6 @@ #define DRV_VERSION "1.30" /* must be exactly four chars */ struct ata_scsi_args { - struct ata_port *ap; struct ata_device *dev; u16 *id; struct scsi_cmnd *cmd; @@ -43,18 +42,16 @@ struct ata_scsi_args { extern int atapi_enabled; extern int atapi_dmadir; extern int libata_fua; -extern struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap, - struct ata_device *dev); +extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev); extern int ata_rwcmd_protocol(struct ata_queued_cmd *qc); -extern void ata_dev_disable(struct ata_port *ap, struct ata_device *dev); +extern void ata_dev_disable(struct ata_device *dev); extern void ata_port_flush_task(struct ata_port *ap); -extern unsigned ata_exec_internal(struct ata_port *ap, struct ata_device *dev, +extern unsigned ata_exec_internal(struct ata_device *dev, struct ata_taskfile *tf, const u8 *cdb, int dma_dir, void *buf, unsigned int buflen); extern int sata_down_spd_limit(struct ata_port *ap); extern int sata_set_spd_needed(struct ata_port *ap); -extern int ata_down_xfermask_limit(struct ata_port *ap, struct ata_device *dev, - int force_pio0); +extern int ata_down_xfermask_limit(struct ata_device *dev, int force_pio0); extern int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev); extern int ata_do_reset(struct ata_port *ap, ata_reset_fn_t reset, unsigned int *classes); diff --git a/include/linux/libata.h b/include/linux/libata.h index ac2d2cc78b1..8154b366bbd 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -518,8 +518,7 @@ extern void ata_std_probeinit(struct ata_port *ap); extern int ata_std_softreset(struct ata_port *ap, unsigned int *classes); extern int sata_std_hardreset(struct ata_port *ap, unsigned int *class); extern void ata_std_postreset(struct ata_port *ap, unsigned int *classes); -extern int ata_dev_revalidate(struct ata_port *ap, struct ata_device *dev, - int post_reset); +extern int ata_dev_revalidate(struct ata_device *dev, int post_reset); extern void ata_port_disable(struct ata_port *); extern void ata_std_ports(struct ata_ioports *ioaddr); #ifdef CONFIG_PCI @@ -545,8 +544,8 @@ extern int ata_port_online(struct ata_port *ap); extern int ata_port_offline(struct ata_port *ap); extern int ata_scsi_device_resume(struct scsi_device *); extern int ata_scsi_device_suspend(struct scsi_device *, pm_message_t state); -extern int ata_device_resume(struct ata_port *, struct ata_device *); -extern int ata_device_suspend(struct ata_port *, struct ata_device *, pm_message_t state); +extern int ata_device_resume(struct ata_device *); +extern int ata_device_suspend(struct ata_device *, pm_message_t state); extern int ata_ratelimit(void); extern unsigned int ata_busy_sleep(struct ata_port *ap, unsigned long timeout_pat, @@ -592,15 +591,13 @@ 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); -extern void ata_scsi_simulate(struct ata_port *ap, struct ata_device *dev, - struct scsi_cmnd *cmd, +extern void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)); extern int ata_std_bios_param(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int geom[]); extern int ata_scsi_slave_config(struct scsi_device *sdev); -extern struct ata_device *ata_dev_pair(struct ata_port *ap, - struct ata_device *adev); +extern struct ata_device *ata_dev_pair(struct ata_device *adev); /* * Timing helpers @@ -812,12 +809,12 @@ static inline struct ata_queued_cmd *ata_qc_from_tag (struct ata_port *ap, return NULL; } -static inline void ata_tf_init(struct ata_port *ap, struct ata_taskfile *tf, unsigned int device) +static inline void ata_tf_init(struct ata_device *dev, struct ata_taskfile *tf) { memset(tf, 0, sizeof(*tf)); - tf->ctl = ap->ctl; - if (device == 0) + tf->ctl = dev->ap->ctl; + if (dev->devno == 0) tf->device = ATA_DEVICE_OBS; else tf->device = ATA_DEVICE_OBS | ATA_DEV1; @@ -832,7 +829,7 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc) qc->nbytes = qc->curbytes = 0; qc->err_mask = 0; - ata_tf_init(qc->ap, &qc->tf, qc->dev->devno); + ata_tf_init(qc->dev, &qc->tf); /* init result_tf such that it indicates normal completion */ qc->result_tf.command = ATA_DRDY; |