#include <linux/mutex.h>
#include <linux/leds.h>
#include <linux/ide.h>
-#include <linux/hdreg.h>
#include <asm/byteorder.h>
#include <asm/irq.h>
ATA_CMD_WRITE_EXT,
};
-static const u8 ide_data_phases[] = {
- TASKFILE_MULTI_IN,
- TASKFILE_MULTI_OUT,
- TASKFILE_IN,
- TASKFILE_OUT,
- TASKFILE_IN_DMA,
- TASKFILE_OUT_DMA,
-};
-
static void ide_tf_set_cmd(ide_drive_t *drive, struct ide_cmd *cmd, u8 dma)
{
u8 index, lba48, write;
lba48 = (cmd->tf_flags & IDE_TFLAG_LBA48) ? 2 : 0;
write = (cmd->tf_flags & IDE_TFLAG_WRITE) ? 1 : 0;
- if (dma)
+ if (dma) {
+ cmd->protocol = ATA_PROT_DMA;
index = 8;
- else
- index = drive->mult_count ? 0 : 4;
+ } else {
+ cmd->protocol = ATA_PROT_PIO;
+ if (drive->mult_count) {
+ cmd->tf_flags |= IDE_TFLAG_MULTI_PIO;
+ index = 0;
+ } else
+ index = 4;
+ }
cmd->tf.command = ide_rw_cmds[index + lba48 + write];
-
- if (dma)
- index = 8; /* fixup index */
-
- cmd->data_phase = ide_data_phases[index / 2 + write];
}
/*
}
memset(&cmd, 0, sizeof(cmd));
- cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
-
- if (dma == 0) {
- ide_init_sg_cmd(&cmd, nsectors);
- ide_map_sg(drive, rq);
- }
+ cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
+ cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE;
if (drive->dev_flags & IDE_DFLAG_LBA) {
if (lba48) {
pr_debug("%s: LBA=0x%012llx\n", drive->name,
(unsigned long long)block);
- tf->hob_nsect = (nsectors >> 8) & 0xff;
- tf->hob_lbal = (u8)(block >> 24);
- if (sizeof(block) != 4) {
- tf->hob_lbam = (u8)((u64)block >> 32);
- tf->hob_lbah = (u8)((u64)block >> 40);
- }
-
tf->nsect = nsectors & 0xff;
tf->lbal = (u8) block;
tf->lbam = (u8)(block >> 8);
tf->lbah = (u8)(block >> 16);
+ tf->device = ATA_LBA;
- cmd.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_HOB);
+ tf = &cmd.hob;
+ tf->nsect = (nsectors >> 8) & 0xff;
+ tf->lbal = (u8)(block >> 24);
+ if (sizeof(block) != 4) {
+ tf->lbam = (u8)((u64)block >> 32);
+ tf->lbah = (u8)((u64)block >> 40);
+ }
+
+ cmd.valid.out.hob = IDE_VALID_OUT_HOB;
+ cmd.valid.in.hob = IDE_VALID_IN_HOB;
+ cmd.tf_flags |= IDE_TFLAG_LBA48;
} else {
tf->nsect = nsectors & 0xff;
tf->lbal = block;
tf->lbam = block >>= 8;
tf->lbah = block >>= 8;
- tf->device = (block >> 8) & 0xf;
+ tf->device = ((block >> 8) & 0xf) | ATA_LBA;
}
-
- tf->device |= ATA_LBA;
} else {
unsigned int sect, head, cyl, track;
ide_tf_set_cmd(drive, &cmd, dma);
cmd.rq = rq;
+ if (dma == 0) {
+ ide_init_sg_cmd(&cmd, nsectors << 9);
+ ide_map_sg(drive, &cmd);
+ }
+
rc = do_rw_taskfile(drive, &cmd);
if (rc == ide_stopped && dma) {
/* fallback to PIO */
cmd.tf_flags |= IDE_TFLAG_DMA_PIO_FALLBACK;
ide_tf_set_cmd(drive, &cmd, 0);
- ide_init_sg_cmd(&cmd, nsectors);
+ ide_init_sg_cmd(&cmd, nsectors << 9);
rc = do_rw_taskfile(drive, &cmd);
}
if (!blk_fs_request(rq)) {
blk_dump_rq_flags(rq, "ide_do_rw_disk - bad command");
- ide_end_request(drive, 0, 0);
+ if (rq->errors == 0)
+ rq->errors = -EIO;
+ ide_complete_rq(drive, -EIO, ide_rq_bytes(rq));
return ide_stopped;
}
tf->command = ATA_CMD_READ_NATIVE_MAX;
tf->device = ATA_LBA;
- cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
- if (lba48)
- cmd.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_HOB);
+ cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
+ cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE;
+ if (lba48) {
+ cmd.valid.out.hob = IDE_VALID_OUT_HOB;
+ cmd.valid.in.hob = IDE_VALID_IN_HOB;
+ cmd.tf_flags = IDE_TFLAG_LBA48;
+ }
ide_no_data_taskfile(drive, &cmd);
/* if OK, compute maximum address value */
- if ((tf->status & 0x01) == 0)
- addr = ide_get_lba_addr(tf, lba48) + 1;
+ if (!(tf->status & ATA_ERR))
+ addr = ide_get_lba_addr(&cmd, lba48) + 1;
return addr;
}
tf->lbam = (addr_req >>= 8) & 0xff;
tf->lbah = (addr_req >>= 8) & 0xff;
if (lba48) {
- tf->hob_lbal = (addr_req >>= 8) & 0xff;
- tf->hob_lbam = (addr_req >>= 8) & 0xff;
- tf->hob_lbah = (addr_req >>= 8) & 0xff;
+ cmd.hob.lbal = (addr_req >>= 8) & 0xff;
+ cmd.hob.lbam = (addr_req >>= 8) & 0xff;
+ cmd.hob.lbah = (addr_req >>= 8) & 0xff;
tf->command = ATA_CMD_SET_MAX_EXT;
} else {
tf->device = (addr_req >>= 8) & 0x0f;
}
tf->device |= ATA_LBA;
- cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
- if (lba48)
- cmd.tf_flags |= (IDE_TFLAG_LBA48 | IDE_TFLAG_HOB);
+ cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
+ cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE;
+ if (lba48) {
+ cmd.valid.out.hob = IDE_VALID_OUT_HOB;
+ cmd.valid.in.hob = IDE_VALID_IN_HOB;
+ cmd.tf_flags = IDE_TFLAG_LBA48;
+ }
ide_no_data_taskfile(drive, &cmd);
/* if OK, compute maximum address value */
- if ((tf->status & 0x01) == 0)
- addr_set = ide_get_lba_addr(tf, lba48) + 1;
+ if (!(tf->status & ATA_ERR))
+ addr_set = ide_get_lba_addr(&cmd, lba48) + 1;
return addr_set;
}
cmd->tf.command = ATA_CMD_FLUSH_EXT;
else
cmd->tf.command = ATA_CMD_FLUSH;
- cmd->tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE |
- IDE_TFLAG_DYN;
- cmd->data_phase = TASKFILE_NO_DATA;
+ cmd->valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
+ cmd->tf_flags = IDE_TFLAG_DYN;
+ cmd->protocol = ATA_PROT_NODATA;
rq->cmd_type = REQ_TYPE_ATA_TASKFILE;
rq->cmd_flags |= REQ_SOFTBARRIER;
cmd.tf.feature = feature;
cmd.tf.nsect = nsect;
cmd.tf.command = ATA_CMD_SET_FEATURES;
- cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
+ cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
+ cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE;
return ide_no_data_taskfile(drive, &cmd);
}
cmd.tf.command = ATA_CMD_FLUSH_EXT;
else
cmd.tf.command = ATA_CMD_FLUSH;
- cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
+ cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
+ cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE;
return ide_no_data_taskfile(drive, &cmd);
}
memset(&cmd, 0, sizeof(cmd));
cmd.tf.command = on ? ATA_CMD_MEDIA_LOCK : ATA_CMD_MEDIA_UNLOCK;
- cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
+ cmd.valid.out.tf = IDE_VALID_OUT_TF | IDE_VALID_DEVICE;
+ cmd.valid.in.tf = IDE_VALID_IN_TF | IDE_VALID_DEVICE;
ret = ide_no_data_taskfile(drive, &cmd);