1// SPDX-License-Identifier: GPL-2.0-only 2#include <linux/types.h> 3#include <linux/string.h> 4#include <linux/kernel.h> 5#include <linux/export.h> 6#include <linux/interrupt.h> 7#include <linux/ide.h> 8#include <linux/bitops.h> 9 10u64 ide_get_lba_addr(struct ide_cmd *cmd, int lba48) 11{ 12 struct ide_taskfile *tf = &cmd->tf; 13 u32 high, low; 14 15 low = (tf->lbah << 16) | (tf->lbam << 8) | tf->lbal; 16 if (lba48) { 17 tf = &cmd->hob; 18 high = (tf->lbah << 16) | (tf->lbam << 8) | tf->lbal; 19 } else 20 high = tf->device & 0xf; 21 22 return ((u64)high << 24) | low; 23} 24EXPORT_SYMBOL_GPL(ide_get_lba_addr); 25 26static void ide_dump_sector(ide_drive_t *drive) 27{ 28 struct ide_cmd cmd; 29 struct ide_taskfile *tf = &cmd.tf; 30 u8 lba48 = !!(drive->dev_flags & IDE_DFLAG_LBA48); 31 32 memset(&cmd, 0, sizeof(cmd)); 33 if (lba48) { 34 cmd.valid.in.tf = IDE_VALID_LBA; 35 cmd.valid.in.hob = IDE_VALID_LBA; 36 cmd.tf_flags = IDE_TFLAG_LBA48; 37 } else 38 cmd.valid.in.tf = IDE_VALID_LBA | IDE_VALID_DEVICE; 39 40 ide_tf_readback(drive, &cmd); 41 42 if (lba48 || (tf->device & ATA_LBA)) 43 printk(KERN_CONT ", LBAsect=%llu", 44 (unsigned long long)ide_get_lba_addr(&cmd, lba48)); 45 else 46 printk(KERN_CONT ", CHS=%d/%d/%d", (tf->lbah << 8) + tf->lbam, 47 tf->device & 0xf, tf->lbal); 48} 49 50static void ide_dump_ata_error(ide_drive_t *drive, u8 err) 51{ 52 printk(KERN_CONT "{ "); 53 if (err & ATA_ABORTED) 54 printk(KERN_CONT "DriveStatusError "); 55 if (err & ATA_ICRC) 56 printk(KERN_CONT "%s", 57 (err & ATA_ABORTED) ? "BadCRC " : "BadSector "); 58 if (err & ATA_UNC) 59 printk(KERN_CONT "UncorrectableError "); 60 if (err & ATA_IDNF) 61 printk(KERN_CONT "SectorIdNotFound "); 62 if (err & ATA_TRK0NF) 63 printk(KERN_CONT "TrackZeroNotFound "); 64 if (err & ATA_AMNF) 65 printk(KERN_CONT "AddrMarkNotFound "); 66 printk(KERN_CONT "}"); 67 if ((err & (ATA_BBK | ATA_ABORTED)) == ATA_BBK || 68 (err & (ATA_UNC | ATA_IDNF | ATA_AMNF))) { 69 struct request *rq = drive->hwif->rq; 70 71 ide_dump_sector(drive); 72 73 if (rq) 74 printk(KERN_CONT ", sector=%llu", 75 (unsigned long long)blk_rq_pos(rq)); 76 } 77 printk(KERN_CONT "\n"); 78} 79 80static void ide_dump_atapi_error(ide_drive_t *drive, u8 err) 81{ 82 printk(KERN_CONT "{ "); 83 if (err & ATAPI_ILI) 84 printk(KERN_CONT "IllegalLengthIndication "); 85 if (err & ATAPI_EOM) 86 printk(KERN_CONT "EndOfMedia "); 87 if (err & ATA_ABORTED) 88 printk(KERN_CONT "AbortedCommand "); 89 if (err & ATA_MCR) 90 printk(KERN_CONT "MediaChangeRequested "); 91 if (err & ATAPI_LFS) 92 printk(KERN_CONT "LastFailedSense=0x%02x ", 93 (err & ATAPI_LFS) >> 4); 94 printk(KERN_CONT "}\n"); 95} 96 97/** 98 * ide_dump_status - translate ATA/ATAPI error 99 * @drive: drive that status applies to 100 * @msg: text message to print 101 * @stat: status byte to decode 102 * 103 * Error reporting, in human readable form (luxurious, but a memory hog). 104 * Combines the drive name, message and status byte to provide a 105 * user understandable explanation of the device error. 106 */ 107 108u8 ide_dump_status(ide_drive_t *drive, const char *msg, u8 stat) 109{ 110 u8 err = 0; 111 112 printk(KERN_ERR "%s: %s: status=0x%02x { ", drive->name, msg, stat); 113 if (stat & ATA_BUSY) 114 printk(KERN_CONT "Busy "); 115 else { 116 if (stat & ATA_DRDY) 117 printk(KERN_CONT "DriveReady "); 118 if (stat & ATA_DF) 119 printk(KERN_CONT "DeviceFault "); 120 if (stat & ATA_DSC) 121 printk(KERN_CONT "SeekComplete "); 122 if (stat & ATA_DRQ) 123 printk(KERN_CONT "DataRequest "); 124 if (stat & ATA_CORR) 125 printk(KERN_CONT "CorrectedError "); 126 if (stat & ATA_SENSE) 127 printk(KERN_CONT "Sense "); 128 if (stat & ATA_ERR) 129 printk(KERN_CONT "Error "); 130 } 131 printk(KERN_CONT "}\n"); 132 if ((stat & (ATA_BUSY | ATA_ERR)) == ATA_ERR) { 133 err = ide_read_error(drive); 134 printk(KERN_ERR "%s: %s: error=0x%02x ", drive->name, msg, err); 135 if (drive->media == ide_disk) 136 ide_dump_ata_error(drive, err); 137 else 138 ide_dump_atapi_error(drive, err); 139 } 140 141 printk(KERN_ERR "%s: possibly failed opcode: 0x%02x\n", 142 drive->name, drive->hwif->cmd.tf.command); 143 144 return err; 145} 146EXPORT_SYMBOL(ide_dump_status); 147