diff options
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/Kconfig | 28 | ||||
| -rw-r--r-- | drivers/ata/ahci.h | 2 | ||||
| -rw-r--r-- | drivers/ata/libata-core.c | 114 | ||||
| -rw-r--r-- | drivers/ata/libata-sata.c | 171 | ||||
| -rw-r--r-- | drivers/ata/libata-scsi.c | 195 | ||||
| -rw-r--r-- | drivers/ata/libata-sff.c | 4 | ||||
| -rw-r--r-- | drivers/ata/libata.h | 11 | ||||
| -rw-r--r-- | drivers/ata/pata_cs5520.c | 6 | ||||
| -rw-r--r-- | drivers/ata/pata_macio.c | 20 | ||||
| -rw-r--r-- | drivers/ata/sata_mv.c | 2 | ||||
| -rw-r--r-- | drivers/ata/sata_nv.c | 24 | ||||
| -rw-r--r-- | drivers/ata/sata_sil24.c | 2 |
12 files changed, 322 insertions, 257 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 928ec93c6b..b595494ab9 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -556,7 +556,7 @@ comment "PATA SFF controllers with BMDMA" config PATA_ALI tristate "ALi PATA support" - depends on PCI + depends on PCI && HAS_IOPORT select PATA_TIMINGS help This option enables support for the ALi ATA interfaces @@ -566,7 +566,7 @@ config PATA_ALI config PATA_AMD tristate "AMD/NVidia PATA support" - depends on PCI + depends on PCI && HAS_IOPORT select PATA_TIMINGS help This option enables support for the AMD and NVidia PATA @@ -584,7 +584,7 @@ config PATA_ARASAN_CF config PATA_ARTOP tristate "ARTOP 6210/6260 PATA support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for ARTOP PATA controllers. @@ -611,7 +611,7 @@ config PATA_ATP867X config PATA_CMD64X tristate "CMD64x PATA support" - depends on PCI + depends on PCI && HAS_IOPORT select PATA_TIMINGS help This option enables support for the CMD64x series chips @@ -658,7 +658,7 @@ config PATA_CS5536 config PATA_CYPRESS tristate "Cypress CY82C693 PATA support (Very Experimental)" - depends on PCI + depends on PCI && HAS_IOPORT select PATA_TIMINGS help This option enables support for the Cypress/Contaq CY82C693 @@ -706,7 +706,7 @@ config PATA_HPT366 config PATA_HPT37X tristate "HPT 370/370A/371/372/374/302 PATA support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for the majority of the later HPT PATA controllers via the new ATA layer. @@ -715,7 +715,7 @@ config PATA_HPT37X config PATA_HPT3X2N tristate "HPT 371N/372N/302N PATA support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for the N variant HPT PATA controllers via the new ATA layer. @@ -818,7 +818,7 @@ config PATA_MPC52xx config PATA_NETCELL tristate "NETCELL Revolution RAID support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for the Netcell Revolution RAID PATA controller. @@ -854,7 +854,7 @@ config PATA_OLDPIIX config PATA_OPTIDMA tristate "OPTI FireStar PATA support (Very Experimental)" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables DMA/PIO support for the later OPTi controllers found on some old motherboards and in some @@ -864,7 +864,7 @@ config PATA_OPTIDMA config PATA_PDC2027X tristate "Promise PATA 2027x support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for Promise PATA pdc20268 to pdc20277 host adapters. @@ -872,7 +872,7 @@ config PATA_PDC2027X config PATA_PDC_OLD tristate "Older Promise PATA controller support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for the Promise 20246, 20262, 20263, 20265 and 20267 adapters. @@ -900,7 +900,7 @@ config PATA_RDC config PATA_SC1200 tristate "SC1200 PATA support" - depends on PCI && (X86_32 || COMPILE_TEST) + depends on PCI && (X86_32 || COMPILE_TEST) && HAS_IOPORT help This option enables support for the NatSemi/AMD SC1200 SoC companion chip used with the Geode processor family. @@ -918,7 +918,7 @@ config PATA_SCH config PATA_SERVERWORKS tristate "SERVERWORKS OSB4/CSB5/CSB6/HT1000 PATA support" - depends on PCI + depends on PCI && HAS_IOPORT help This option enables support for the Serverworks OSB4/CSB5/CSB6 and HT1000 PATA controllers, via the new ATA layer. @@ -1182,7 +1182,7 @@ config ATA_GENERIC config PATA_LEGACY tristate "Legacy ISA PATA support (Experimental)" - depends on (ISA || PCI) + depends on (ISA || PCI) && HAS_IOPORT select PATA_TIMINGS help This option enables support for ISA/VLB/PCI bus legacy PATA diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index 344c87210d..8f40f75ba0 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -397,7 +397,7 @@ extern const struct attribute_group *ahci_sdev_groups[]; .sdev_groups = ahci_sdev_groups, \ .change_queue_depth = ata_scsi_change_queue_depth, \ .tag_alloc_policy = BLK_TAG_ALLOC_RR, \ - .slave_configure = ata_scsi_slave_config + .device_configure = ata_scsi_device_configure extern struct ata_port_operations ahci_ops; extern struct ata_port_operations ahci_platform_ops; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index d937e6e5cc..74b59b78d2 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1480,19 +1480,19 @@ static void ata_qc_complete_internal(struct ata_queued_cmd *qc) } /** - * ata_exec_internal_sg - execute libata internal command + * ata_exec_internal - execute libata internal command * @dev: Device to which the command is sent * @tf: Taskfile registers for the command and the result * @cdb: CDB for packet command * @dma_dir: Data transfer direction of the command - * @sgl: sg list for the data buffer of the command - * @n_elem: Number of sg entries + * @buf: Data buffer of the command + * @buflen: Length of data buffer * @timeout: Timeout in msecs (0 for default) * - * Executes libata internal command with timeout. @tf contains - * command on entry and result on return. Timeout and error - * conditions are reported via return value. No recovery action - * is taken after a command times out. It's caller's duty to + * Executes libata internal command with timeout. @tf contains + * the command on entry and the result on return. Timeout and error + * conditions are reported via the return value. No recovery action + * is taken after a command times out. It is the caller's duty to * clean up after timeout. * * LOCKING: @@ -1501,34 +1501,38 @@ static void ata_qc_complete_internal(struct ata_queued_cmd *qc) * RETURNS: * Zero on success, AC_ERR_* mask on failure */ -static unsigned ata_exec_internal_sg(struct ata_device *dev, - struct ata_taskfile *tf, const u8 *cdb, - int dma_dir, struct scatterlist *sgl, - unsigned int n_elem, unsigned int timeout) +unsigned int ata_exec_internal(struct ata_device *dev, struct ata_taskfile *tf, + const u8 *cdb, enum dma_data_direction dma_dir, + void *buf, unsigned int buflen, + unsigned int timeout) { struct ata_link *link = dev->link; struct ata_port *ap = link->ap; u8 command = tf->command; - int auto_timeout = 0; struct ata_queued_cmd *qc; + struct scatterlist sgl; unsigned int preempted_tag; u32 preempted_sactive; u64 preempted_qc_active; int preempted_nr_active_links; + bool auto_timeout = false; DECLARE_COMPLETION_ONSTACK(wait); unsigned long flags; unsigned int err_mask; int rc; + if (WARN_ON(dma_dir != DMA_NONE && !buf)) + return AC_ERR_INVALID; + spin_lock_irqsave(ap->lock, flags); - /* no internal command while frozen */ + /* No internal command while frozen */ if (ata_port_is_frozen(ap)) { spin_unlock_irqrestore(ap->lock, flags); return AC_ERR_SYSTEM; } - /* initialize internal qc */ + /* Initialize internal qc */ qc = __ata_qc_from_tag(ap, ATA_TAG_INTERNAL); qc->tag = ATA_TAG_INTERNAL; @@ -1547,12 +1551,12 @@ static unsigned ata_exec_internal_sg(struct ata_device *dev, ap->qc_active = 0; ap->nr_active_links = 0; - /* prepare & issue qc */ + /* Prepare and issue qc */ qc->tf = *tf; if (cdb) memcpy(qc->cdb, cdb, ATAPI_CDB_LEN); - /* some SATA bridges need us to indicate data xfer direction */ + /* Some SATA bridges need us to indicate data xfer direction */ if (tf->protocol == ATAPI_PROT_DMA && (dev->flags & ATA_DFLAG_DMADIR) && dma_dir == DMA_FROM_DEVICE) qc->tf.feature |= ATAPI_DMADIR; @@ -1560,13 +1564,8 @@ static unsigned ata_exec_internal_sg(struct ata_device *dev, qc->flags |= ATA_QCFLAG_RESULT_TF; qc->dma_dir = dma_dir; if (dma_dir != DMA_NONE) { - unsigned int i, buflen = 0; - struct scatterlist *sg; - - for_each_sg(sgl, sg, n_elem, i) - buflen += sg->length; - - ata_sg_init(qc, sgl, n_elem); + sg_init_one(&sgl, buf, buflen); + ata_sg_init(qc, &sgl, 1); qc->nbytes = buflen; } @@ -1578,11 +1577,11 @@ static unsigned ata_exec_internal_sg(struct ata_device *dev, spin_unlock_irqrestore(ap->lock, flags); if (!timeout) { - if (ata_probe_timeout) + if (ata_probe_timeout) { timeout = ata_probe_timeout * 1000; - else { + } else { timeout = ata_internal_cmd_timeout(dev, command); - auto_timeout = 1; + auto_timeout = true; } } @@ -1595,30 +1594,25 @@ static unsigned ata_exec_internal_sg(struct ata_device *dev, ata_sff_flush_pio_task(ap); if (!rc) { - spin_lock_irqsave(ap->lock, flags); - - /* We're racing with irq here. If we lose, the - * following test prevents us from completing the qc - * twice. If we win, the port is frozen and will be - * cleaned up by ->post_internal_cmd(). + /* + * We are racing with irq here. If we lose, the following test + * prevents us from completing the qc twice. If we win, the port + * is frozen and will be cleaned up by ->post_internal_cmd(). */ + spin_lock_irqsave(ap->lock, flags); if (qc->flags & ATA_QCFLAG_ACTIVE) { qc->err_mask |= AC_ERR_TIMEOUT; - ata_port_freeze(ap); - ata_dev_warn(dev, "qc timeout after %u msecs (cmd 0x%x)\n", timeout, command); } - spin_unlock_irqrestore(ap->lock, flags); } - /* do post_internal_cmd */ if (ap->ops->post_internal_cmd) ap->ops->post_internal_cmd(qc); - /* perform minimal error analysis */ + /* Perform minimal error analysis */ if (qc->flags & ATA_QCFLAG_EH) { if (qc->result_tf.status & (ATA_ERR | ATA_DF)) qc->err_mask |= AC_ERR_DEV; @@ -1632,7 +1626,7 @@ static unsigned ata_exec_internal_sg(struct ata_device *dev, qc->result_tf.status |= ATA_SENSE; } - /* finish up */ + /* Finish up */ spin_lock_irqsave(ap->lock, flags); *tf = qc->result_tf; @@ -1653,44 +1647,6 @@ static unsigned ata_exec_internal_sg(struct ata_device *dev, } /** - * ata_exec_internal - execute libata internal command - * @dev: Device to which the command is sent - * @tf: Taskfile registers for the command and the result - * @cdb: CDB for packet command - * @dma_dir: Data transfer direction of the command - * @buf: Data buffer of the command - * @buflen: Length of data buffer - * @timeout: Timeout in msecs (0 for default) - * - * Wrapper around ata_exec_internal_sg() which takes simple - * buffer instead of sg list. - * - * LOCKING: - * None. Should be called with kernel context, might sleep. - * - * RETURNS: - * Zero on success, AC_ERR_* mask on failure - */ -unsigned ata_exec_internal(struct ata_device *dev, - struct ata_taskfile *tf, const u8 *cdb, - int dma_dir, void *buf, unsigned int buflen, - unsigned int timeout) -{ - struct scatterlist *psg = NULL, sg; - unsigned int n_elem = 0; - - if (dma_dir != DMA_NONE) { - WARN_ON(!buf); - sg_init_one(&sg, buf, buflen); - psg = &sg; - n_elem++; - } - - return ata_exec_internal_sg(dev, tf, cdb, dma_dir, psg, n_elem, - timeout); -} - -/** * ata_pio_need_iordy - check if iordy needed * @adev: ATA device * @@ -4199,12 +4155,12 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { ATA_HORKAGE_ZERO_AFTER_TRIM | ATA_HORKAGE_NOLPM }, - /* Apacer models with LPM issues */ - { "Apacer AS340*", NULL, ATA_HORKAGE_NOLPM }, - /* AMD Radeon devices with broken LPM support */ { "R3SL240G", NULL, ATA_HORKAGE_NOLPM }, + /* Apacer models with LPM issues */ + { "Apacer AS340*", NULL, ATA_HORKAGE_NOLPM }, + /* These specific Samsung models/firmware-revs do not handle LPM well */ { "SAMSUNG MZMPC128HBFU-000MV", "CXM14M1Q", ATA_HORKAGE_NOLPM }, { "SAMSUNG SSD PM830 mSATA *", "CXM13D1Q", ATA_HORKAGE_NOLPM }, diff --git a/drivers/ata/libata-sata.c b/drivers/ata/libata-sata.c index 0fb1934875..9e047bf912 100644 --- a/drivers/ata/libata-sata.c +++ b/drivers/ata/libata-sata.c @@ -848,80 +848,143 @@ DEVICE_ATTR(link_power_management_policy, S_IRUGO | S_IWUSR, ata_scsi_lpm_show, ata_scsi_lpm_store); EXPORT_SYMBOL_GPL(dev_attr_link_power_management_policy); -static ssize_t ata_ncq_prio_supported_show(struct device *device, - struct device_attribute *attr, - char *buf) +/** + * ata_ncq_prio_supported - Check if device supports NCQ Priority + * @ap: ATA port of the target device + * @sdev: SCSI device + * @supported: Address of a boolean to store the result + * + * Helper to check if device supports NCQ Priority feature. + * + * Context: Any context. Takes and releases @ap->lock. + * + * Return: + * * %0 - OK. Status is stored into @supported + * * %-ENODEV - Failed to find the ATA device + */ +int ata_ncq_prio_supported(struct ata_port *ap, struct scsi_device *sdev, + bool *supported) { - struct scsi_device *sdev = to_scsi_device(device); - struct ata_port *ap = ata_shost_to_port(sdev->host); struct ata_device *dev; - bool ncq_prio_supported; + unsigned long flags; int rc = 0; - spin_lock_irq(ap->lock); + spin_lock_irqsave(ap->lock, flags); dev = ata_scsi_find_dev(ap, sdev); if (!dev) rc = -ENODEV; else - ncq_prio_supported = dev->flags & ATA_DFLAG_NCQ_PRIO; - spin_unlock_irq(ap->lock); + *supported = dev->flags & ATA_DFLAG_NCQ_PRIO; + spin_unlock_irqrestore(ap->lock, flags); + + return rc; +} +EXPORT_SYMBOL_GPL(ata_ncq_prio_supported); + +static ssize_t ata_ncq_prio_supported_show(struct device *device, + struct device_attribute *attr, + char *buf) +{ + struct scsi_device *sdev = to_scsi_device(device); + struct ata_port *ap = ata_shost_to_port(sdev->host); + bool supported; + int rc; + + rc = ata_ncq_prio_supported(ap, sdev, &supported); + if (rc) + return rc; - return rc ? rc : sysfs_emit(buf, "%u\n", ncq_prio_supported); + return sysfs_emit(buf, "%d\n", supported); } DEVICE_ATTR(ncq_prio_supported, S_IRUGO, ata_ncq_prio_supported_show, NULL); EXPORT_SYMBOL_GPL(dev_attr_ncq_prio_supported); -static ssize_t ata_ncq_prio_enable_show(struct device *device, - struct device_attribute *attr, - char *buf) +/** + * ata_ncq_prio_enabled - Check if NCQ Priority is enabled + * @ap: ATA port of the target device + * @sdev: SCSI device + * @enabled: Address of a boolean to store the result + * + * Helper to check if NCQ Priority feature is enabled. + * + * Context: Any context. Takes and releases @ap->lock. + * + * Return: + * * %0 - OK. Status is stored into @enabled + * * %-ENODEV - Failed to find the ATA device + */ +int ata_ncq_prio_enabled(struct ata_port *ap, struct scsi_device *sdev, + bool *enabled) { - struct scsi_device *sdev = to_scsi_device(device); - struct ata_port *ap = ata_shost_to_port(sdev->host); struct ata_device *dev; - bool ncq_prio_enable; + unsigned long flags; int rc = 0; - spin_lock_irq(ap->lock); + spin_lock_irqsave(ap->lock, flags); dev = ata_scsi_find_dev(ap, sdev); if (!dev) rc = -ENODEV; else - ncq_prio_enable = dev->flags & ATA_DFLAG_NCQ_PRIO_ENABLED; - spin_unlock_irq(ap->lock); + *enabled = dev->flags & ATA_DFLAG_NCQ_PRIO_ENABLED; + spin_unlock_irqrestore(ap->lock, flags); - return rc ? rc : sysfs_emit(buf, "%u\n", ncq_prio_enable); + return rc; } +EXPORT_SYMBOL_GPL(ata_ncq_prio_enabled); -static ssize_t ata_ncq_prio_enable_store(struct device *device, - struct device_attribute *attr, - const char *buf, size_t len) +static ssize_t ata_ncq_prio_enable_show(struct device *device, + struct device_attribute *attr, + char *buf) { struct scsi_device *sdev = to_scsi_device(device); - struct ata_port *ap; - struct ata_device *dev; - long int input; - int rc = 0; + struct ata_port *ap = ata_shost_to_port(sdev->host); + bool enabled; + int rc; - rc = kstrtol(buf, 10, &input); + rc = ata_ncq_prio_enabled(ap, sdev, &enabled); if (rc) return rc; - if ((input < 0) || (input > 1)) - return -EINVAL; - ap = ata_shost_to_port(sdev->host); - dev = ata_scsi_find_dev(ap, sdev); - if (unlikely(!dev)) - return -ENODEV; + return sysfs_emit(buf, "%d\n", enabled); +} + +/** + * ata_ncq_prio_enable - Enable/disable NCQ Priority + * @ap: ATA port of the target device + * @sdev: SCSI device + * @enable: true - enable NCQ Priority, false - disable NCQ Priority + * + * Helper to enable/disable NCQ Priority feature. + * + * Context: Any context. Takes and releases @ap->lock. + * + * Return: + * * %0 - OK. Status is stored into @enabled + * * %-ENODEV - Failed to find the ATA device + * * %-EINVAL - NCQ Priority is not supported or CDL is enabled + */ +int ata_ncq_prio_enable(struct ata_port *ap, struct scsi_device *sdev, + bool enable) +{ + struct ata_device *dev; + unsigned long flags; + int rc = 0; + + spin_lock_irqsave(ap->lock, flags); - spin_lock_irq(ap->lock); + dev = ata_scsi_find_dev(ap, sdev); + if (!dev) { + rc = -ENODEV; + goto unlock; + } if (!(dev->flags & ATA_DFLAG_NCQ_PRIO)) { rc = -EINVAL; goto unlock; } - if (input) { + if (enable) { if (dev->flags & ATA_DFLAG_CDL_ENABLED) { ata_dev_err(dev, "CDL must be disabled to enable NCQ priority\n"); @@ -934,9 +997,30 @@ static ssize_t ata_ncq_prio_enable_store(struct device *device, } unlock: - spin_unlock_irq(ap->lock); + spin_unlock_irqrestore(ap->lock, flags); + + return rc; +} +EXPORT_SYMBOL_GPL(ata_ncq_prio_enable); + +static ssize_t ata_ncq_prio_enable_store(struct device *device, + struct device_attribute *attr, + const char *buf, size_t len) +{ + struct scsi_device *sdev = to_scsi_device(device); + struct ata_port *ap = ata_shost_to_port(sdev->host); + bool enable; + int rc; + + rc = kstrtobool(buf, &enable); + if (rc) + return rc; + + rc = ata_ncq_prio_enable(ap, sdev, enable); + if (rc) + return rc; - return rc ? rc : len; + return len; } DEVICE_ATTR(ncq_prio_enable, S_IRUGO | S_IWUSR, @@ -1170,21 +1254,24 @@ void ata_sas_tport_delete(struct ata_port *ap) EXPORT_SYMBOL_GPL(ata_sas_tport_delete); /** - * ata_sas_slave_configure - Default slave_config routine for libata devices + * ata_sas_device_configure - Default device_configure routine for libata + * devices * @sdev: SCSI device to configure + * @lim: queue limits * @ap: ATA port to which SCSI device is attached * * RETURNS: * Zero. */ -int ata_sas_slave_configure(struct scsi_device *sdev, struct ata_port *ap) +int ata_sas_device_configure(struct scsi_device *sdev, struct queue_limits *lim, + struct ata_port *ap) { ata_scsi_sdev_config(sdev); - return ata_scsi_dev_config(sdev, ap->link.device); + return ata_scsi_dev_config(sdev, lim, ap->link.device); } -EXPORT_SYMBOL_GPL(ata_sas_slave_configure); +EXPORT_SYMBOL_GPL(ata_sas_device_configure); /** * ata_sas_queuecmd - Issue SCSI cdb to libata-managed device diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 9c3daa7d19..076fbeadce 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -230,6 +230,80 @@ void ata_scsi_set_sense_information(struct ata_device *dev, SCSI_SENSE_BUFFERSIZE, information); } +/** + * ata_scsi_set_passthru_sense_fields - Set ATA fields in sense buffer + * @qc: ATA PASS-THROUGH command. + * + * Populates "ATA Status Return sense data descriptor" / "Fixed format + * sense data" with ATA taskfile fields. + * + * LOCKING: + * None. + */ +static void ata_scsi_set_passthru_sense_fields(struct ata_queued_cmd *qc) +{ + struct scsi_cmnd *cmd = qc->scsicmd; + struct ata_taskfile *tf = &qc->result_tf; + unsigned char *sb = cmd->sense_buffer; + + if ((sb[0] & 0x7f) >= 0x72) { + unsigned char *desc; + u8 len; + + /* descriptor format */ + len = sb[7]; + desc = (char *)scsi_sense_desc_find(sb, len + 8, 9); + if (!desc) { + if (SCSI_SENSE_BUFFERSIZE < len + 14) + return; + sb[7] = len + 14; + desc = sb + 8 + len; + } + desc[0] = 9; + desc[1] = 12; + /* + * Copy registers into sense buffer. + */ + desc[2] = 0x00; + desc[3] = tf->error; + desc[5] = tf->nsect; + desc[7] = tf->lbal; + desc[9] = tf->lbam; + desc[11] = tf->lbah; + desc[12] = tf->device; + desc[13] = tf->status; + + /* + * Fill in Extend bit, and the high order bytes + * if applicable. + */ + if (tf->flags & ATA_TFLAG_LBA48) { + desc[2] |= 0x01; + desc[4] = tf->hob_nsect; + desc[6] = tf->hob_lbal; + desc[8] = tf->hob_lbam; + desc[10] = tf->hob_lbah; + } + } else { + /* Fixed sense format */ + sb[0] |= 0x80; + sb[3] = tf->error; + sb[4] = tf->status; + sb[5] = tf->device; + sb[6] = tf->nsect; + if (tf->flags & ATA_TFLAG_LBA48) { + sb[8] |= 0x80; + if (tf->hob_nsect) + sb[8] |= 0x40; + if (tf->hob_lbal || tf->hob_lbam || tf->hob_lbah) + sb[8] |= 0x20; + } + sb[9] = tf->lbal; + sb[10] = tf->lbam; + sb[11] = tf->lbah; + } +} + static void ata_scsi_set_invalid_field(struct ata_device *dev, struct scsi_cmnd *cmd, u16 field, u8 bit) { @@ -837,10 +911,8 @@ static void ata_to_sense_error(unsigned id, u8 drv_stat, u8 drv_err, u8 *sk, * ata_gen_passthru_sense - Generate check condition sense block. * @qc: Command that completed. * - * This function is specific to the ATA descriptor format sense - * block specified for the ATA pass through commands. Regardless - * of whether the command errored or not, return a sense - * block. Copy all controller registers into the sense + * This function is specific to the ATA pass through commands. + * Regardless of whether the command errored or not, return a sense * block. If there was no error, we get the request from an ATA * passthrough command, so we use the following sense data: * sk = RECOVERED ERROR @@ -855,7 +927,6 @@ static void ata_gen_passthru_sense(struct ata_queued_cmd *qc) struct scsi_cmnd *cmd = qc->scsicmd; struct ata_taskfile *tf = &qc->result_tf; unsigned char *sb = cmd->sense_buffer; - unsigned char *desc = sb + 8; u8 sense_key, asc, ascq; memset(sb, 0, SCSI_SENSE_BUFFERSIZE); @@ -870,67 +941,8 @@ static void ata_gen_passthru_sense(struct ata_queued_cmd *qc) &sense_key, &asc, &ascq); ata_scsi_set_sense(qc->dev, cmd, sense_key, asc, ascq); } else { - /* - * ATA PASS-THROUGH INFORMATION AVAILABLE - * Always in descriptor format sense. - */ - scsi_build_sense(cmd, 1, RECOVERED_ERROR, 0, 0x1D); - } - - if ((cmd->sense_buffer[0] & 0x7f) >= 0x72) { - u8 len; - - /* descriptor format */ - len = sb[7]; - desc = (char *)scsi_sense_desc_find(sb, len + 8, 9); - if (!desc) { - if (SCSI_SENSE_BUFFERSIZE < len + 14) - return; - sb[7] = len + 14; - desc = sb + 8 + len; - } - desc[0] = 9; - desc[1] = 12; - /* - * Copy registers into sense buffer. - */ - desc[2] = 0x00; - desc[3] = tf->error; - desc[5] = tf->nsect; - desc[7] = tf->lbal; - desc[9] = tf->lbam; - desc[11] = tf->lbah; - desc[12] = tf->device; - desc[13] = tf->status; - - /* - * Fill in Extend bit, and the high order bytes - * if applicable. - */ - if (tf->flags & ATA_TFLAG_LBA48) { - desc[2] |= 0x01; - desc[4] = tf->hob_nsect; - desc[6] = tf->hob_lbal; - desc[8] = tf->hob_lbam; - desc[10] = tf->hob_lbah; - } - } else { - /* Fixed sense format */ - desc[0] = tf->error; - desc[1] = tf->status; - desc[2] = tf->device; - desc[3] = tf->nsect; - desc[7] = 0; - if (tf->flags & ATA_TFLAG_LBA48) { - desc[8] |= 0x80; - if (tf->hob_nsect) - desc[8] |= 0x40; - if (tf->hob_lbal || tf->hob_lbam || tf->hob_lbah) - desc[8] |= 0x20; - } - desc[9] = tf->lbal; - desc[10] = tf->lbam; - desc[11] = tf->lbah; + /* ATA PASS-THROUGH INFORMATION AVAILABLE */ + ata_scsi_set_sense(qc->dev, cmd, RECOVERED_ERROR, 0, 0x1D); } } @@ -1021,7 +1033,8 @@ bool ata_scsi_dma_need_drain(struct request *rq) } EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain); -int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev) +int ata_scsi_dev_config(struct scsi_device *sdev, struct queue_limits *lim, + struct ata_device *dev) { struct request_queue *q = sdev->request_queue; int depth = 1; @@ -1031,7 +1044,7 @@ int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev) /* configure max sectors */ dev->max_sectors = min(dev->max_sectors, sdev->host->max_sectors); - blk_queue_max_hw_sectors(q, dev->max_sectors); + lim->max_hw_sectors = dev->max_sectors; if (dev->class == ATA_DEV_ATAPI) { sdev->sector_size = ATA_SECT_SIZE; @@ -1040,7 +1053,7 @@ int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev) blk_queue_update_dma_pad(q, ATA_DMA_PAD_SZ - 1); /* make room for appending the drain */ - blk_queue_max_segments(q, queue_max_segments(q) - 1); + lim->max_segments--; sdev->dma_drain_len = ATAPI_MAX_DRAIN; sdev->dma_drain_buf = kmalloc(sdev->dma_drain_len, GFP_NOIO); @@ -1077,7 +1090,7 @@ int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev) "sector_size=%u > PAGE_SIZE, PIO may malfunction\n", sdev->sector_size); - blk_queue_update_dma_alignment(q, sdev->sector_size - 1); + lim->dma_alignment = sdev->sector_size - 1; if (dev->flags & ATA_DFLAG_AN) set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events); @@ -1131,8 +1144,9 @@ int ata_scsi_slave_alloc(struct scsi_device *sdev) EXPORT_SYMBOL_GPL(ata_scsi_slave_alloc); /** - * ata_scsi_slave_config - Set SCSI device attributes + * ata_scsi_device_configure - Set SCSI device attributes * @sdev: SCSI device to examine + * @lim: queue limits * * This is called before we actually start reading * and writing to the device, to configure certain @@ -1142,17 +1156,18 @@ EXPORT_SYMBOL_GPL(ata_scsi_slave_alloc); * Defined by SCSI layer. We don't really care. */ -int ata_scsi_slave_config(struct scsi_device *sdev) +int ata_scsi_device_configure(struct scsi_device *sdev, + struct queue_limits *lim) { struct ata_port *ap = ata_shost_to_port(sdev->host); struct ata_device *dev = __ata_scsi_find_dev(ap, sdev); if (dev) - return ata_scsi_dev_config(sdev, dev); + return ata_scsi_dev_config(sdev, lim, dev); return 0; } -EXPORT_SYMBOL_GPL(ata_scsi_slave_config); +EXPORT_SYMBOL_GPL(ata_scsi_device_configure); /** * ata_scsi_slave_destroy - SCSI device is about to be destroyed @@ -1629,26 +1644,32 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc) { struct scsi_cmnd *cmd = qc->scsicmd; u8 *cdb = cmd->cmnd; - int need_sense = (qc->err_mask != 0) && - !(qc->flags & ATA_QCFLAG_SENSE_VALID); + bool have_sense = qc->flags & ATA_QCFLAG_SENSE_VALID; + bool is_ata_passthru = cdb[0] == ATA_16 || cdb[0] == ATA_12; + bool is_ck_cond_request = cdb[2] & 0x20; + bool is_error = qc->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 - * generate because the user forced us to [CK_COND =1], a check + * generate because the user forced us to [CK_COND=1], a check * condition is generated and the ATA register values are returned * whether the command completed successfully or not. If there - * was no error, we use the following sense data: + * was no error, and CK_COND=1, we use the following sense data: * sk = RECOVERED ERROR * asc,ascq = ATA PASS-THROUGH INFORMATION AVAILABLE */ - if (((cdb[0] == ATA_16) || (cdb[0] == ATA_12)) && - ((cdb[2] & 0x20) || need_sense)) - ata_gen_passthru_sense(qc); - else if (need_sense) + if (is_ata_passthru && (is_ck_cond_request || is_error || have_sense)) { + if (!have_sense) + ata_gen_passthru_sense(qc); + ata_scsi_set_passthru_sense_fields(qc); + if (is_ck_cond_request) + set_status_byte(qc->scsicmd, SAM_STAT_CHECK_CONDITION); + } else if (is_error && !have_sense) { ata_gen_ata_sense(qc); - else + } else { /* Keep the SCSI ML and status byte, clear host byte. */ cmd->result &= 0x0000ffff; + } ata_qc_done(qc); } @@ -2587,14 +2608,8 @@ static void atapi_qc_complete(struct ata_queued_cmd *qc) /* handle completion from EH */ if (unlikely(err_mask || qc->flags & ATA_QCFLAG_SENSE_VALID)) { - if (!(qc->flags & ATA_QCFLAG_SENSE_VALID)) { - /* 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 - */ + if (!(qc->flags & ATA_QCFLAG_SENSE_VALID)) ata_gen_passthru_sense(qc); - } /* SCSI EH automatically locks door if sdev->locked is * set. Sometimes door lock request continues to diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 95a19c4ef2..250f7dae05 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -3032,6 +3032,7 @@ EXPORT_SYMBOL_GPL(ata_bmdma_port_start32); */ int ata_pci_bmdma_clear_simplex(struct pci_dev *pdev) { +#ifdef CONFIG_HAS_IOPORT unsigned long bmdma = pci_resource_start(pdev, 4); u8 simplex; @@ -3044,6 +3045,9 @@ int ata_pci_bmdma_clear_simplex(struct pci_dev *pdev) if (simplex & 0x80) return -EOPNOTSUPP; return 0; +#else + return -ENOENT; +#endif /* CONFIG_HAS_IOPORT */ } EXPORT_SYMBOL_GPL(ata_pci_bmdma_clear_simplex); diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 5c685bb193..38ce13b554 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -50,10 +50,10 @@ extern int ata_build_rw_tf(struct ata_queued_cmd *qc, u64 block, u32 n_block, unsigned int tf_flags, int dld, int class); extern u64 ata_tf_read_block(const struct ata_taskfile *tf, 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, - unsigned int timeout); +unsigned int ata_exec_internal(struct ata_device *dev, struct ata_taskfile *tf, + const u8 *cdb, enum dma_data_direction dma_dir, + void *buf, unsigned int buflen, + unsigned int timeout); extern int ata_wait_ready(struct ata_link *link, unsigned long deadline, int (*check_ready)(struct ata_link *link)); extern int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class, @@ -131,7 +131,8 @@ extern void ata_scsi_dev_rescan(struct work_struct *work); extern int ata_scsi_user_scan(struct Scsi_Host *shost, unsigned int channel, unsigned int id, u64 lun); void ata_scsi_sdev_config(struct scsi_device *sdev); -int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev); +int ata_scsi_dev_config(struct scsi_device *sdev, struct queue_limits *lim, + struct ata_device *dev); int __ata_scsi_queuecmd(struct scsi_cmnd *scmd, struct ata_device *dev); /* libata-eh.c */ diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c index 38795508c2..027cf67101 100644 --- a/drivers/ata/pata_cs5520.c +++ b/drivers/ata/pata_cs5520.c @@ -151,12 +151,6 @@ static int cs5520_init_one(struct pci_dev *pdev, const struct pci_device_id *id) if (!host) return -ENOMEM; - /* Perform set up for DMA */ - if (pci_enable_device_io(pdev)) { - dev_err(&pdev->dev, "unable to configure BAR2.\n"); - return -ENODEV; - } - if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) { dev_err(&pdev->dev, "unable to configure DMA mask.\n"); return -ENODEV; diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c index 88b2e9817f..3cb455a32d 100644 --- a/drivers/ata/pata_macio.c +++ b/drivers/ata/pata_macio.c @@ -796,7 +796,8 @@ static void pata_macio_reset_hw(struct pata_macio_priv *priv, int resume) /* Hook the standard slave config to fixup some HW related alignment * restrictions */ -static int pata_macio_slave_config(struct scsi_device *sdev) +static int pata_macio_device_configure(struct scsi_device *sdev, + struct queue_limits *lim) { struct ata_port *ap = ata_shost_to_port(sdev->host); struct pata_macio_priv *priv = ap->private_data; @@ -805,7 +806,7 @@ static int pata_macio_slave_config(struct scsi_device *sdev) int rc; /* First call original */ - rc = ata_scsi_slave_config(sdev); + rc = ata_scsi_device_configure(sdev, lim); if (rc) return rc; @@ -814,7 +815,7 @@ static int pata_macio_slave_config(struct scsi_device *sdev) /* OHare has issues with non cache aligned DMA on some chipsets */ if (priv->kind == controller_ohare) { - blk_queue_update_dma_alignment(sdev->request_queue, 31); + lim->dma_alignment = 31; blk_queue_update_dma_pad(sdev->request_queue, 31); /* Tell the world about it */ @@ -829,7 +830,7 @@ static int pata_macio_slave_config(struct scsi_device *sdev) /* Shasta and K2 seem to have "issues" with reads ... */ if (priv->kind == controller_sh_ata6 || priv->kind == controller_k2_ata6) { /* Allright these are bad, apply restrictions */ - blk_queue_update_dma_alignment(sdev->request_queue, 15); + lim->dma_alignment = 15; blk_queue_update_dma_pad(sdev->request_queue, 15); /* We enable MWI and hack cache line size directly here, this @@ -914,11 +915,14 @@ static const struct scsi_host_template pata_macio_sht = { .sg_tablesize = MAX_DCMDS, /* We may not need that strict one */ .dma_boundary = ATA_DMA_BOUNDARY, - /* Not sure what the real max is but we know it's less than 64K, let's - * use 64K minus 256 + /* + * The SCSI core requires the segment size to cover at least a page, so + * for 64K page size kernels this must be at least 64K. However the + * hardware can't handle 64K, so pata_macio_qc_prep() will split large + * requests. */ - .max_segment_size = MAX_DBDMA_SEG, - .slave_configure = pata_macio_slave_config, + .max_segment_size = SZ_64K, + .device_configure = pata_macio_device_configure, .sdev_groups = ata_common_sdev_groups, .can_queue = ATA_DEF_QUEUE, .tag_alloc_policy = BLK_TAG_ALLOC_RR, diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 9bec0aee92..05c905827d 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -673,7 +673,7 @@ static const struct scsi_host_template mv6_sht = { .sdev_groups = ata_ncq_sdev_groups, .change_queue_depth = ata_scsi_change_queue_depth, .tag_alloc_policy = BLK_TAG_ALLOC_RR, - .slave_configure = ata_scsi_slave_config + .device_configure = ata_scsi_device_configure }; static struct ata_port_operations mv5_ops = { diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 0a0cee755b..36d99043ef 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -296,7 +296,8 @@ static void nv_nf2_freeze(struct ata_port *ap); static void nv_nf2_thaw(struct ata_port *ap); static void nv_ck804_freeze(struct ata_port *ap); static void nv_ck804_thaw(struct ata_port *ap); -static int nv_adma_slave_config(struct scsi_device *sdev); +static int nv_adma_device_configure(struct scsi_device *sdev, + struct queue_limits *lim); static int nv_adma_check_atapi_dma(struct ata_queued_cmd *qc); static enum ata_completion_errors nv_adma_qc_prep(struct ata_queued_cmd *qc); static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc); @@ -318,7 +319,8 @@ static void nv_adma_tf_read(struct ata_port *ap, struct ata_taskfile *tf); static void nv_mcp55_thaw(struct ata_port *ap); static void nv_mcp55_freeze(struct ata_port *ap); static void nv_swncq_error_handler(struct ata_port *ap); -static int nv_swncq_slave_config(struct scsi_device *sdev); +static int nv_swncq_device_configure(struct scsi_device *sdev, + struct queue_limits *lim); static int nv_swncq_port_start(struct ata_port *ap); static enum ata_completion_errors nv_swncq_qc_prep(struct ata_queued_cmd *qc); static void nv_swncq_fill_sg(struct ata_queued_cmd *qc); @@ -380,7 +382,7 @@ static const struct scsi_host_template nv_adma_sht = { .can_queue = NV_ADMA_MAX_CPBS, .sg_tablesize = NV_ADMA_SGTBL_TOTAL_LEN, .dma_boundary = NV_ADMA_DMA_BOUNDARY, - .slave_configure = nv_adma_slave_config, + .device_configure = nv_adma_device_configure, .sdev_groups = ata_ncq_sdev_groups, .change_queue_depth = ata_scsi_change_queue_depth, .tag_alloc_policy = BLK_TAG_ALLOC_RR, @@ -391,7 +393,7 @@ static const struct scsi_host_template nv_swncq_sht = { .can_queue = ATA_MAX_QUEUE - 1, .sg_tablesize = LIBATA_MAX_PRD, .dma_boundary = ATA_DMA_BOUNDARY, - .slave_configure = nv_swncq_slave_config, + .device_configure = nv_swncq_device_configure, .sdev_groups = ata_ncq_sdev_groups, .change_queue_depth = ata_scsi_change_queue_depth, .tag_alloc_policy = BLK_TAG_ALLOC_RR, @@ -661,7 +663,8 @@ static void nv_adma_mode(struct ata_port *ap) pp->flags &= ~NV_ADMA_PORT_REGISTER_MODE; } -static int nv_adma_slave_config(struct scsi_device *sdev) +static int nv_adma_device_configure(struct scsi_device *sdev, + struct queue_limits *lim) { struct ata_port *ap = ata_shost_to_port(sdev->host); struct nv_adma_port_priv *pp = ap->private_data; @@ -673,7 +676,7 @@ static int nv_adma_slave_config(struct scsi_device *sdev) int adma_enable; u32 current_reg, new_reg, config_mask; - rc = ata_scsi_slave_config(sdev); + rc = ata_scsi_device_configure(sdev, lim); if (sdev->id >= ATA_MAX_DEVICES || sdev->channel || sdev->lun) /* Not a proper libata device, ignore */ @@ -740,8 +743,8 @@ static int nv_adma_slave_config(struct scsi_device *sdev) rc = dma_set_mask(&pdev->dev, pp->adma_dma_mask); } - blk_queue_segment_boundary(sdev->request_queue, segment_boundary); - blk_queue_max_segments(sdev->request_queue, sg_tablesize); + lim->seg_boundary_mask = segment_boundary; + lim->max_segments = sg_tablesize; ata_port_info(ap, "DMA mask 0x%llX, segment boundary 0x%lX, hw segs %hu\n", (unsigned long long)*ap->host->dev->dma_mask, @@ -1868,7 +1871,8 @@ static void nv_swncq_host_init(struct ata_host *host) writel(~0x0, mmio + NV_INT_STATUS_MCP55); } -static int nv_swncq_slave_config(struct scsi_device *sdev) +static int nv_swncq_device_configure(struct scsi_device *sdev, + struct queue_limits *lim) { struct ata_port *ap = ata_shost_to_port(sdev->host); struct pci_dev *pdev = to_pci_dev(ap->host->dev); @@ -1878,7 +1882,7 @@ static int nv_swncq_slave_config(struct scsi_device *sdev) u8 check_maxtor = 0; unsigned char model_num[ATA_ID_PROD_LEN + 1]; - rc = ata_scsi_slave_config(sdev); + rc = ata_scsi_device_configure(sdev, lim); if (sdev->id >= ATA_MAX_DEVICES || sdev->channel || sdev->lun) /* Not a proper libata device, ignore */ return rc; diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index 142e70bfc4..72c03cbdaf 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -381,7 +381,7 @@ static const struct scsi_host_template sil24_sht = { .tag_alloc_policy = BLK_TAG_ALLOC_FIFO, .sdev_groups = ata_ncq_sdev_groups, .change_queue_depth = ata_scsi_change_queue_depth, - .slave_configure = ata_scsi_slave_config + .device_configure = ata_scsi_device_configure }; static struct ata_port_operations sil24_ops = { |