diff options
Diffstat (limited to 'drivers')
67 files changed, 1027 insertions, 665 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index ffdd32d2260..2f48123d74c 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -150,6 +150,7 @@ enum piix_controller_ids { tolapai_sata, piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */ ich8_sata_snb, + ich8_2port_sata_snb, }; struct piix_map_db { @@ -304,7 +305,7 @@ static const struct pci_device_id piix_pci_tbl[] = { /* SATA Controller IDE (Lynx Point) */ { 0x8086, 0x8c01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb }, /* SATA Controller IDE (Lynx Point) */ - { 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, + { 0x8086, 0x8c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_snb }, /* SATA Controller IDE (Lynx Point) */ { 0x8086, 0x8c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, /* SATA Controller IDE (Lynx Point-LP) */ @@ -439,6 +440,7 @@ static const struct piix_map_db *piix_map_db_table[] = { [ich8m_apple_sata] = &ich8m_apple_map_db, [tolapai_sata] = &tolapai_map_db, [ich8_sata_snb] = &ich8_map_db, + [ich8_2port_sata_snb] = &ich8_2port_map_db, }; static struct pci_bits piix_enable_bits[] = { @@ -1242,6 +1244,16 @@ static struct ata_port_info piix_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &piix_sata_ops, }, + + [ich8_2port_sata_snb] = + { + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR + | PIIX_FLAG_PIO16, + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2, + .udma_mask = ATA_UDMA6, + .port_ops = &piix_sata_ops, + }, }; #define AHCI_PCI_BAR 5 diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 497adea1f0d..63c743baf92 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2329,7 +2329,7 @@ int ata_dev_configure(struct ata_device *dev) * from SATA Settings page of Identify Device Data Log. */ if (ata_id_has_devslp(dev->id)) { - u8 sata_setting[ATA_SECT_SIZE]; + u8 *sata_setting = ap->sector_buf; int i, j; dev->flags |= ATA_DFLAG_DEVSLP; @@ -2439,6 +2439,9 @@ int ata_dev_configure(struct ata_device *dev) dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128, dev->max_sectors); + if (dev->horkage & ATA_HORKAGE_MAX_SEC_LBA48) + dev->max_sectors = ATA_MAX_SECTORS_LBA48; + if (ap->ops->dev_config) ap->ops->dev_config(dev); @@ -4100,6 +4103,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { /* Weird ATAPI devices */ { "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 }, { "QUANTUM DAT DAT72-000", NULL, ATA_HORKAGE_ATAPI_MOD16_DMA }, + { "Slimtype DVD A DS8A8SH", NULL, ATA_HORKAGE_MAX_SEC_LBA48 }, /* Devices we expect to fail diagnostics */ diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 318b4135818..ff44787e5a4 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -532,8 +532,8 @@ int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg) struct scsi_sense_hdr sshdr; scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE, &sshdr); - if (sshdr.sense_key == 0 && - sshdr.asc == 0 && sshdr.ascq == 0) + if (sshdr.sense_key == RECOVERED_ERROR && + sshdr.asc == 0 && sshdr.ascq == 0x1d) cmd_result &= ~SAM_STAT_CHECK_CONDITION; } @@ -618,8 +618,8 @@ int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg) struct scsi_sense_hdr sshdr; scsi_normalize_sense(sensebuf, SCSI_SENSE_BUFFERSIZE, &sshdr); - if (sshdr.sense_key == 0 && - sshdr.asc == 0 && sshdr.ascq == 0) + if (sshdr.sense_key == RECOVERED_ERROR && + sshdr.asc == 0 && sshdr.ascq == 0x1d) cmd_result &= ~SAM_STAT_CHECK_CONDITION; } diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index d34adef1e63..58cfb323242 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -943,7 +943,8 @@ static int _regmap_raw_write(struct regmap *map, unsigned int reg, unsigned int ival; int val_bytes = map->format.val_bytes; for (i = 0; i < val_len / val_bytes; i++) { - ival = map->format.parse_val(val + (i * val_bytes)); + memcpy(map->work_buf, val + (i * val_bytes), val_bytes); + ival = map->format.parse_val(map->work_buf); ret = regcache_write(map, reg + (i * map->reg_stride), ival); if (ret) { diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 2c127f9c3f3..dfe758382ea 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1051,29 +1051,12 @@ static int loop_clr_fd(struct loop_device *lo) lo->lo_state = Lo_unbound; /* This is safe: open() is still holding a reference. */ module_put(THIS_MODULE); + if (lo->lo_flags & LO_FLAGS_PARTSCAN && bdev) + ioctl_by_bdev(bdev, BLKRRPART, 0); lo->lo_flags = 0; if (!part_shift) lo->lo_disk->flags |= GENHD_FL_NO_PART_SCAN; mutex_unlock(&lo->lo_ctl_mutex); - - /* - * Remove all partitions, since BLKRRPART won't remove user - * added partitions when max_part=0 - */ - if (bdev) { - struct disk_part_iter piter; - struct hd_struct *part; - - mutex_lock_nested(&bdev->bd_mutex, 1); - invalidate_partition(bdev->bd_disk, 0); - disk_part_iter_init(&piter, bdev->bd_disk, - DISK_PITER_INCL_EMPTY); - while ((part = disk_part_iter_next(&piter))) - delete_partition(bdev->bd_disk, part->partno); - disk_part_iter_exit(&piter); - mutex_unlock(&bdev->bd_mutex); - } - /* * Need not hold lo_ctl_mutex to fput backing file. * Calling fput holding lo_ctl_mutex triggers a circular diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 92250af84e7..32c678028e5 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -81,12 +81,17 @@ /* Device instance number, incremented each time a device is probed. */ static int instance; +struct list_head online_list; +struct list_head removing_list; +spinlock_t dev_lock; + /* * Global variable used to hold the major block device number * allocated in mtip_init(). */ static int mtip_major; static struct dentry *dfs_parent; +static struct dentry *dfs_device_status; static u32 cpu_use[NR_CPUS]; @@ -243,40 +248,31 @@ static inline void release_slot(struct mtip_port *port, int tag) /* * Reset the HBA (without sleeping) * - * Just like hba_reset, except does not call sleep, so can be - * run from interrupt/tasklet context. - * * @dd Pointer to the driver data structure. * * return value * 0 The reset was successful. * -1 The HBA Reset bit did not clear. */ -static int hba_reset_nosleep(struct driver_data *dd) +static int mtip_hba_reset(struct driver_data *dd) { unsigned long timeout; - /* Chip quirk: quiesce any chip function */ - mdelay(10); - /* Set the reset bit */ writel(HOST_RESET, dd->mmio + HOST_CTL); /* Flush */ readl(dd->mmio + HOST_CTL); - /* - * Wait 10ms then spin for up to 1 second - * waiting for reset acknowledgement - */ - timeout = jiffies + msecs_to_jiffies(1000); - mdelay(10); - while ((readl(dd->mmio + HOST_CTL) & HOST_RESET) - && time_before(jiffies, timeout)) - mdelay(1); + /* Spin for up to 2 seconds, waiting for reset acknowledgement */ + timeout = jiffies + msecs_to_jiffies(2000); + do { + mdelay(10); + if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag)) + return -1; - if (test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag)) - return -1; + } while ((readl(dd->mmio + HOST_CTL) & HOST_RESET) + && time_before(jiffies, timeout)); if (readl(dd->mmio + HOST_CTL) & HOST_RESET) return -1; @@ -481,7 +477,7 @@ static void mtip_restart_port(struct mtip_port *port) dev_warn(&port->dd->pdev->dev, "PxCMD.CR not clear, escalating reset\n"); - if (hba_reset_nosleep(port->dd)) + if (mtip_hba_reset(port->dd)) dev_err(&port->dd->pdev->dev, "HBA reset escalation failed.\n"); @@ -527,6 +523,26 @@ static void mtip_restart_port(struct mtip_port *port) } +static int mtip_device_reset(struct driver_data *dd) +{ + int rv = 0; + + if (mtip_check_surprise_removal(dd->pdev)) + return 0; + + if (mtip_hba_reset(dd) < 0) + rv = -EFAULT; + + mdelay(1); + mtip_init_port(dd->port); + mtip_start_port(dd->port); + + /* Enable interrupts on the HBA. */ + writel(readl(dd->mmio + HOST_CTL) | HOST_IRQ_EN, + dd->mmio + HOST_CTL); + return rv; +} + /* * Helper function for tag logging */ @@ -632,7 +648,7 @@ static void mtip_timeout_function(unsigned long int data) if (cmdto_cnt) { print_tags(port->dd, "timed out", tagaccum, cmdto_cnt); if (!test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) { - mtip_restart_port(port); + mtip_device_reset(port->dd); wake_up_interruptible(&port->svc_wait); } clear_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags); @@ -1283,11 +1299,11 @@ static int mtip_exec_internal_command(struct mtip_port *port, int rv = 0, ready2go = 1; struct mtip_cmd *int_cmd = &port->commands[MTIP_TAG_INTERNAL]; unsigned long to; + struct driver_data *dd = port->dd; /* Make sure the buffer is 8 byte aligned. This is asic specific. */ if (buffer & 0x00000007) { - dev_err(&port->dd->pdev->dev, - "SG buffer is not 8 byte aligned\n"); + dev_err(&dd->pdev->dev, "SG buffer is not 8 byte aligned\n"); return -EFAULT; } @@ -1300,23 +1316,21 @@ static int mtip_exec_internal_command(struct mtip_port *port, mdelay(100); } while (time_before(jiffies, to)); if (!ready2go) { - dev_warn(&port->dd->pdev->dev, + dev_warn(&dd->pdev->dev, "Internal cmd active. new cmd [%02X]\n", fis->command); return -EBUSY; } set_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags); port->ic_pause_timer = 0; - if (fis->command == ATA_CMD_SEC_ERASE_UNIT) - clear_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags); - else if (fis->command == ATA_CMD_DOWNLOAD_MICRO) - clear_bit(MTIP_PF_DM_ACTIVE_BIT, &port->flags); + clear_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags); + clear_bit(MTIP_PF_DM_ACTIVE_BIT, &port->flags); if (atomic == GFP_KERNEL) { if (fis->command != ATA_CMD_STANDBYNOW1) { /* wait for io to complete if non atomic */ if (mtip_quiesce_io(port, 5000) < 0) { - dev_warn(&port->dd->pdev->dev, + dev_warn(&dd->pdev->dev, "Failed to quiesce IO\n"); release_slot(port, MTIP_TAG_INTERNAL); clear_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags); @@ -1361,58 +1375,84 @@ static int mtip_exec_internal_command(struct mtip_port *port, /* Issue the command to the hardware */ mtip_issue_non_ncq_command(port, MTIP_TAG_INTERNAL); - /* Poll if atomic, wait_for_completion otherwise */ if (atomic == GFP_KERNEL) { /* Wait for the command to complete or timeout. */ - if (wait_for_completion_timeout( + if (wait_for_completion_interruptible_timeout( &wait, - msecs_to_jiffies(timeout)) == 0) { - dev_err(&port->dd->pdev->dev, - "Internal command did not complete [%d] " - "within timeout of %lu ms\n", - atomic, timeout); - if (mtip_check_surprise_removal(port->dd->pdev) || + msecs_to_jiffies(timeout)) <= 0) { + if (rv == -ERESTARTSYS) { /* interrupted */ + dev_err(&dd->pdev->dev, + "Internal command [%02X] was interrupted after %lu ms\n", + fis->command, timeout); + rv = -EINTR; + goto exec_ic_exit; + } else if (rv == 0) /* timeout */ + dev_err(&dd->pdev->dev, + "Internal command did not complete [%02X] within timeout of %lu ms\n", + fis->command, timeout); + else + dev_err(&dd->pdev->dev, + "Internal command [%02X] wait returned code [%d] after %lu ms - unhandled\n", + fis->command, rv, timeout); + + if (mtip_check_surprise_removal(dd->pdev) || test_bit(MTIP_DDF_REMOVE_PENDING_BIT, - &port->dd->dd_flag)) { + &dd->dd_flag)) { + dev_err(&dd->pdev->dev, + "Internal command [%02X] wait returned due to SR\n", + fis->command); rv = -ENXIO; goto exec_ic_exit; } + mtip_device_reset(dd); /* recover from timeout issue */ rv = -EAGAIN; + goto exec_ic_exit; } } else { + u32 hba_stat, port_stat; + /* Spin for <timeout> checking if command still outstanding */ timeout = jiffies + msecs_to_jiffies(timeout); while ((readl(port->cmd_issue[MTIP_TAG_INTERNAL]) & (1 << MTIP_TAG_INTERNAL)) && time_before(jiffies, timeout)) { - if (mtip_check_surprise_removal(port->dd->pdev)) { + if (mtip_check_surprise_removal(dd->pdev)) { rv = -ENXIO; goto exec_ic_exit; } if ((fis->command != ATA_CMD_STANDBYNOW1) && test_bit(MTIP_DDF_REMOVE_PENDING_BIT, - &port->dd->dd_flag)) { + &dd->dd_flag)) { rv = -ENXIO; goto exec_ic_exit; } - if (readl(port->mmio + PORT_IRQ_STAT) & PORT_IRQ_ERR) { - atomic_inc(&int_cmd->active); /* error */ - break; + port_stat = readl(port->mmio + PORT_IRQ_STAT); + if (!port_stat) + continue; + + if (port_stat & PORT_IRQ_ERR) { + dev_err(&dd->pdev->dev, + "Internal command [%02X] failed\n", + fis->command); + mtip_device_reset(dd); + rv = -EIO; + goto exec_ic_exit; + } else { + writel(port_stat, port->mmio + PORT_IRQ_STAT); + hba_stat = readl(dd->mmio + HOST_IRQ_STAT); + if (hba_stat) + writel(hba_stat, + dd->mmio + HOST_IRQ_STAT); } + break; } } - if (atomic_read(&int_cmd->active) > 1) { - dev_err(&port->dd->pdev->dev, - "Internal command [%02X] failed\n", fis->command); - rv = -EIO; - } if (readl(port->cmd_issue[MTIP_TAG_INTERNAL]) & (1 << MTIP_TAG_INTERNAL)) { rv = -ENXIO; - if (!test_bit(MTIP_DDF_REMOVE_PENDING_BIT, - &port->dd->dd_flag)) { - mtip_restart_port(port); + if (!test_bit(MTIP_DDF_REMOVE_PENDING_BIT, &dd->dd_flag)) { + mtip_device_reset(dd); rv = -EAGAIN; } } @@ -1724,7 +1764,8 @@ static int mtip_get_smart_attr(struct mtip_port *port, unsigned int id, * -EINVAL Invalid parameters passed in, trim not supported * -EIO Error submitting trim request to hw */ -static int mtip_send_trim(struct driver_data *dd, unsigned int lba, unsigned int len) +static int mtip_send_trim(struct driver_data *dd, unsigned int lba, + unsigned int len) { int i, rv = 0; u64 tlba, tlen, sect_left; @@ -1811,45 +1852,6 @@ static bool mtip_hw_get_capacity(struct driver_data *dd, sector_t *sectors) } /* - * Reset the HBA. - * - * Resets the HBA by setting the HBA Reset bit in the Global - * HBA Control register. After setting the HBA Reset bit the - * function waits for 1 second before reading the HBA Reset - * bit to make sure it has cleared. If HBA Reset is not clear - * an error is returned. Cannot be used in non-blockable - * context. - * - * @dd Pointer to the driver data structure. - * - * return value - * 0 The reset was successful. - * -1 The HBA Reset bit did not clear. - */ -static int mtip_hba_reset(struct driver_data *dd) -{ - mtip_deinit_port(dd->port); - - /* Set the reset bit */ - writel(HOST_RESET, dd->mmio + HOST_CTL); - - /* Flush */ - readl(dd->mmio + HOST_CTL); - - /* Wait for reset to clear */ - ssleep(1); - - /* Check the bit has cleared */ - if (readl(dd->mmio + HOST_CTL) & HOST_RESET) { - dev_err(&dd->pdev->dev, - "Reset bit did not clear.\n"); - return -1; - } - - return 0; -} - -/* * Display the identify command data. * * @port Pointer to the port data structure. @@ -2710,6 +2712,100 @@ static ssize_t mtip_hw_show_status(struct device *dev, static DEVICE_ATTR(status, S_IRUGO, mtip_hw_show_status, NULL); +/* debugsfs entries */ + +static ssize_t show_device_status(struct device_driver *drv, char *buf) +{ + int size = 0; + struct driver_data *dd, *tmp; + unsigned long flags; + char id_buf[42]; + u16 status = 0; + + spin_lock_irqsave(&dev_lock, flags); + size += sprintf(&buf[size], "Devices Present:\n"); + list_for_each_entry_safe(dd, tmp, &online_list, online_list) { + if (dd->pdev) { + if (dd->port && + dd->port->identify && + dd->port->identify_valid) { + strlcpy(id_buf, + (char *) (dd->port->identify + 10), 21); + status = *(dd->port->identify + 141); + } else { + memset(id_buf, 0, 42); + status = 0; + } + + if (dd->port && + test_bit(MTIP_PF_REBUILD_BIT, &dd->port->flags)) { + size += sprintf(&buf[size], + " device %s %s (ftl rebuild %d %%)\n", + dev_name(&dd->pdev->dev), + id_buf, + status); + } else { + size += sprintf(&buf[size], + " device %s %s\n", + dev_name(&dd->pdev->dev), + id_buf); + } + } + } + + size += sprintf(&buf[size], "Devices Being Removed:\n"); + list_for_each_entry_safe(dd, tmp, &removing_list, remove_list) { + if (dd->pdev) { + if (dd->port && + dd->port->identify && + dd->port->identify_valid) { + strlcpy(id_buf, + (char *) (dd->port->identify+10), 21); + status = *(dd->port->identify + 141); + } else { + memset(id_buf, 0, 42); + status = 0; + } + + if (dd->port && + test_bit(MTIP_PF_REBUILD_BIT, &dd->port->flags)) { + size += sprintf(&buf[size], + " device %s %s (ftl rebuild %d %%)\n", + dev_name(&dd->pdev->dev), + id_buf, + status); + } else { + size += sprintf(&buf[size], + " device %s %s\n", + dev_name(&dd->pdev->dev), + id_buf); + } + } + } + spin_unlock_irqrestore(&dev_lock, flags); + + return size; +} + +static ssize_t mtip_hw_read_device_status(struct file *f, char __user *ubuf, + size_t len, loff_t *offset) +{ + int size = *offset; |