11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/types.h> 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 438789fda295689689d064c0157bc363b1837b5e6Paul Gortmaker#include <linux/export.h> 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/interrupt.h> 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ide.h> 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/bitops.h> 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ide_toggle_bounce - handle bounce buffering 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @drive: drive to update 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @on: on/off boolean 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Enable or disable bounce buffering for the device. Drives move 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * between PIO and DMA and that changes the rules we need. 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 172f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid ide_toggle_bounce(ide_drive_t *drive, int on) 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u64 addr = BLK_BOUNCE_HIGH; /* dma64_addr_t */ 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 226593178dd46d64a5bcb0402a4f3acd95b0687abdJames Bottomley if (!PCI_DMA_BUS_IS_PHYS) { 236593178dd46d64a5bcb0402a4f3acd95b0687abdJames Bottomley addr = BLK_BOUNCE_ANY; 246593178dd46d64a5bcb0402a4f3acd95b0687abdJames Bottomley } else if (on && drive->media == ide_disk) { 2536501650ec45b1db308c3b51886044863be2d762Bartlomiej Zolnierkiewicz struct device *dev = drive->hwif->dev; 2636501650ec45b1db308c3b51886044863be2d762Bartlomiej Zolnierkiewicz 2736501650ec45b1db308c3b51886044863be2d762Bartlomiej Zolnierkiewicz if (dev && dev->dma_mask) 2836501650ec45b1db308c3b51886044863be2d762Bartlomiej Zolnierkiewicz addr = *dev->dma_mask; 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (drive->queue) 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds blk_queue_bounce_limit(drive->queue, addr); 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 35745483f10c6cefb303007c6873e2bfce54efa8edSergei Shtylyovu64 ide_get_lba_addr(struct ide_cmd *cmd, int lba48) 36c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz{ 37745483f10c6cefb303007c6873e2bfce54efa8edSergei Shtylyov struct ide_taskfile *tf = &cmd->tf; 38c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz u32 high, low; 39c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz 40c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz low = (tf->lbah << 16) | (tf->lbam << 8) | tf->lbal; 41745483f10c6cefb303007c6873e2bfce54efa8edSergei Shtylyov if (lba48) { 42745483f10c6cefb303007c6873e2bfce54efa8edSergei Shtylyov tf = &cmd->hob; 43745483f10c6cefb303007c6873e2bfce54efa8edSergei Shtylyov high = (tf->lbah << 16) | (tf->lbam << 8) | tf->lbal; 44745483f10c6cefb303007c6873e2bfce54efa8edSergei Shtylyov } else 45745483f10c6cefb303007c6873e2bfce54efa8edSergei Shtylyov high = tf->device & 0xf; 46c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz 47c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz return ((u64)high << 24) | low; 48c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz} 49a501633c7d44087e806597d3a213d735346edd51Bartlomiej ZolnierkiewiczEXPORT_SYMBOL_GPL(ide_get_lba_addr); 50c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz 51c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewiczstatic void ide_dump_sector(ide_drive_t *drive) 52c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz{ 5322aa4b32a19b1f231d4ce7e9af6354b577a22a35Bartlomiej Zolnierkiewicz struct ide_cmd cmd; 5422aa4b32a19b1f231d4ce7e9af6354b577a22a35Bartlomiej Zolnierkiewicz struct ide_taskfile *tf = &cmd.tf; 5597100fc816badbbc162644cfde7ad39ae9211fb4Bartlomiej Zolnierkiewicz u8 lba48 = !!(drive->dev_flags & IDE_DFLAG_LBA48); 56c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz 5722aa4b32a19b1f231d4ce7e9af6354b577a22a35Bartlomiej Zolnierkiewicz memset(&cmd, 0, sizeof(cmd)); 5860f85019c6c8c1aebf3485a313e0da094bc95d07Sergei Shtylyov if (lba48) { 5960f85019c6c8c1aebf3485a313e0da094bc95d07Sergei Shtylyov cmd.valid.in.tf = IDE_VALID_LBA; 6060f85019c6c8c1aebf3485a313e0da094bc95d07Sergei Shtylyov cmd.valid.in.hob = IDE_VALID_LBA; 6160f85019c6c8c1aebf3485a313e0da094bc95d07Sergei Shtylyov cmd.tf_flags = IDE_TFLAG_LBA48; 6260f85019c6c8c1aebf3485a313e0da094bc95d07Sergei Shtylyov } else 6360f85019c6c8c1aebf3485a313e0da094bc95d07Sergei Shtylyov cmd.valid.in.tf = IDE_VALID_LBA | IDE_VALID_DEVICE; 64c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz 653153c26b54230d025c6d536e8d3015def4524906Sergei Shtylyov ide_tf_readback(drive, &cmd); 66c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz 67c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz if (lba48 || (tf->device & ATA_LBA)) 682f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT ", LBAsect=%llu", 69745483f10c6cefb303007c6873e2bfce54efa8edSergei Shtylyov (unsigned long long)ide_get_lba_addr(&cmd, lba48)); 70c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz else 712f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT ", CHS=%d/%d/%d", (tf->lbah << 8) + tf->lbam, 722f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz tf->device & 0xf, tf->lbal); 73c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz} 74c2b57cdc1d2976444d451a2a2e43e11b61ed0638Bartlomiej Zolnierkiewicz 75e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewiczstatic void ide_dump_ata_error(ide_drive_t *drive, u8 err) 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7726bfcf21e25fa090f099fa0ccf201424989cbd7bBartlomiej Zolnierkiewicz printk(KERN_CONT "{ "); 782f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (err & ATA_ABORTED) 792f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "DriveStatusError "); 803a7d24841ad794ae64c90d7d00d62a83741912aaBartlomiej Zolnierkiewicz if (err & ATA_ICRC) 812f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "%s", 822f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz (err & ATA_ABORTED) ? "BadCRC " : "BadSector "); 832f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (err & ATA_UNC) 842f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "UncorrectableError "); 852f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (err & ATA_IDNF) 862f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "SectorIdNotFound "); 872f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (err & ATA_TRK0NF) 882f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "TrackZeroNotFound "); 892f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (err & ATA_AMNF) 902f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "AddrMarkNotFound "); 912f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "}"); 923a7d24841ad794ae64c90d7d00d62a83741912aaBartlomiej Zolnierkiewicz if ((err & (ATA_BBK | ATA_ABORTED)) == ATA_BBK || 933a7d24841ad794ae64c90d7d00d62a83741912aaBartlomiej Zolnierkiewicz (err & (ATA_UNC | ATA_IDNF | ATA_AMNF))) { 94b65fac32cfe3b2f98cd472fef400bd1c1340de23Bartlomiej Zolnierkiewicz struct request *rq = drive->hwif->rq; 95b65fac32cfe3b2f98cd472fef400bd1c1340de23Bartlomiej Zolnierkiewicz 96e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewicz ide_dump_sector(drive); 97b65fac32cfe3b2f98cd472fef400bd1c1340de23Bartlomiej Zolnierkiewicz 98b65fac32cfe3b2f98cd472fef400bd1c1340de23Bartlomiej Zolnierkiewicz if (rq) 992f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT ", sector=%llu", 1009780e2dd8254351f6cbe11304849126b51dbd561Tejun Heo (unsigned long long)blk_rq_pos(rq)); 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1022f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "\n"); 103e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewicz} 104e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewicz 105e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewiczstatic void ide_dump_atapi_error(ide_drive_t *drive, u8 err) 106e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewicz{ 10726bfcf21e25fa090f099fa0ccf201424989cbd7bBartlomiej Zolnierkiewicz printk(KERN_CONT "{ "); 1082f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (err & ATAPI_ILI) 1092f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "IllegalLengthIndication "); 1102f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (err & ATAPI_EOM) 1112f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "EndOfMedia "); 1122f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (err & ATA_ABORTED) 1132f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "AbortedCommand "); 1142f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (err & ATA_MCR) 1152f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "MediaChangeRequested "); 1162f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (err & ATAPI_LFS) 1172f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "LastFailedSense=0x%02x ", 1182f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz (err & ATAPI_LFS) >> 4); 1192f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "}\n"); 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/** 123e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewicz * ide_dump_status - translate ATA/ATAPI error 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @drive: drive that status applies to 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @msg: text message to print 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * @stat: status byte to decode 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Error reporting, in human readable form (luxurious, but a memory hog). 129e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewicz * Combines the drive name, message and status byte to provide a 130e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewicz * user understandable explanation of the device error. 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 133e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewiczu8 ide_dump_status(ide_drive_t *drive, const char *msg, u8 stat) 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1350e38a66a1e69821ab57a06d5a7b11f0df9275bf4Bartlomiej Zolnierkiewicz u8 err = 0; 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1372f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_ERR "%s: %s: status=0x%02x { ", drive->name, msg, stat); 1383a7d24841ad794ae64c90d7d00d62a83741912aaBartlomiej Zolnierkiewicz if (stat & ATA_BUSY) 1392f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "Busy "); 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else { 1412f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (stat & ATA_DRDY) 1422f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "DriveReady "); 1432f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (stat & ATA_DF) 1442f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "DeviceFault "); 1452f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (stat & ATA_DSC) 1462f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "SeekComplete "); 1472f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (stat & ATA_DRQ) 1482f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "DataRequest "); 1492f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (stat & ATA_CORR) 1502f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "CorrectedError "); 1512f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (stat & ATA_IDX) 1522f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "Index "); 1532f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz if (stat & ATA_ERR) 1542f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "Error "); 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1562f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_CONT "}\n"); 1573a7d24841ad794ae64c90d7d00d62a83741912aaBartlomiej Zolnierkiewicz if ((stat & (ATA_BUSY | ATA_ERR)) == ATA_ERR) { 15864a57fe4393bae920d03c253173f59d8a7ec8e25Bartlomiej Zolnierkiewicz err = ide_read_error(drive); 1592f996acb6191b6b5f188eca1d1ad76cf1d8ecf76Bartlomiej Zolnierkiewicz printk(KERN_ERR "%s: %s: error=0x%02x ", drive->name, msg, err); 160e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewicz if (drive->media == ide_disk) 161e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewicz ide_dump_ata_error(drive, err); 162e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewicz else 163e62925dd26ef9594b8e4b9380b3211f6dae4ab96Bartlomiej Zolnierkiewicz ide_dump_atapi_error(drive, err); 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 165cc30137a221372c67a943ad9ea68121a2bd57a6eBartlomiej Zolnierkiewicz 166cc30137a221372c67a943ad9ea68121a2bd57a6eBartlomiej Zolnierkiewicz printk(KERN_ERR "%s: possibly failed opcode: 0x%02x\n", 167cc30137a221372c67a943ad9ea68121a2bd57a6eBartlomiej Zolnierkiewicz drive->name, drive->hwif->cmd.tf.command); 168cc30137a221372c67a943ad9ea68121a2bd57a6eBartlomiej Zolnierkiewicz 1690e38a66a1e69821ab57a06d5a7b11f0df9275bf4Bartlomiej Zolnierkiewicz return err; 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsEXPORT_SYMBOL(ide_dump_status); 172