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[ata] Add support for describing an ATA device using EDD 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2010-09-22 00:17:51 +01:00
parent bddc3835ac
commit f8fa23b183
1 changed files with 19 additions and 0 deletions
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19
src/drivers/block/ata.c
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@ -27,6 +27,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
#include <ipxe/list.h>
#include <ipxe/interface.h>
#include <ipxe/blockdev.h>
#include <ipxe/edd.h>
#include <ipxe/ata.h>
/** @file
@ -602,6 +603,23 @@ static void atadev_close ( struct ata_device *atadev, int rc ) {
}
}
/**
* Describe ATA device using EDD
*
* @v atadev ATA device
* @v type EDD interface type
* @v path EDD device path
* @ret rc Return status code
*/
static int atadev_edd_describe ( struct ata_device *atadev,
struct edd_interface_type *type,
union edd_device_path *path ) {
type->type = cpu_to_le64 ( EDD_INTF_TYPE_ATA );
path->ata.slave = ( ( atadev->device == ATA_DEV_SLAVE ) ? 0x01 : 0x00 );
return 0;
}
/** ATA device block interface operations */
static struct interface_operation atadev_block_op[] = {
INTF_OP ( block_read, struct ata_device *, atadev_read ),
@ -609,6 +627,7 @@ static struct interface_operation atadev_block_op[] = {
INTF_OP ( block_read_capacity, struct ata_device *,
atadev_read_capacity ),
INTF_OP ( intf_close, struct ata_device *, atadev_close ),
INTF_OP ( edd_describe, struct ata_device *, atadev_edd_describe ),
};
/** ATA device block interface descriptor */