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| author | Albert Lee <albertcc@tw.ibm.com> | 2005-11-01 19:33:20 +0800 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-09 01:22:19 -0500 |
| commit | 07f6f7d074e68d56d82e7cc5c65096033ac8dc56 (patch) | |
| tree | d420722be7721691e5c56dc5a0ff326e926a58e6 /include/linux/ata.h | |
| parent | fbcdd80b0d5bde06f3483b9a13f9599a0452431c (diff) | |
| download | blackbird-op-linux-07f6f7d074e68d56d82e7cc5c65096033ac8dc56.tar.gz blackbird-op-linux-07f6f7d074e68d56d82e7cc5c65096033ac8dc56.zip | |
[PATCH] libata irq-pio: add read/write multiple support
- add is_multi_taskfile() to ata.h
- initialize ata_device->multi_count with device identify data
- use ata_pio_sectors() to support r/w multiple commands
Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
========
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'include/linux/ata.h')
| -rw-r--r-- | include/linux/ata.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index d54da3306d2c..f512104a1a3f 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -293,6 +293,14 @@ static inline int is_atapi_taskfile(const struct ata_taskfile *tf) (tf->protocol == ATA_PROT_ATAPI_DMA); } +static inline int is_multi_taskfile(struct ata_taskfile *tf) +{ + return (tf->command == ATA_CMD_READ_MULTI) || + (tf->command == ATA_CMD_WRITE_MULTI) || + (tf->command == ATA_CMD_READ_MULTI_EXT) || + (tf->command == ATA_CMD_WRITE_MULTI_EXT); +} + static inline int ata_ok(u8 status) { return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR)) |
