From 07f6f7d074e68d56d82e7cc5c65096033ac8dc56 Mon Sep 17 00:00:00 2001 From: Albert Lee Date: Tue, 1 Nov 2005 19:33:20 +0800 Subject: [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 ======== Signed-off-by: Jeff Garzik --- include/linux/ata.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include') 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)) -- cgit v1.2.2