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efi_loader: support device path for IDE and SCSI disks

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Correctly create the device path for IDE and SCSI disks.

Support for SATA remains to be done in a future patch.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt
2017-12-11 12:56:44 +01:00
committed by Alexander Graf
parent 2bc61b8352
commit af3106a12d
3 changed files with 93 additions and 0 deletions
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15
include/efi_api.h
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@ -329,12 +329,27 @@ struct efi_device_path_acpi_path {
} __packed;
#define DEVICE_PATH_TYPE_MESSAGING_DEVICE 0x03
# define DEVICE_PATH_SUB_TYPE_MSG_ATAPI 0x01
# define DEVICE_PATH_SUB_TYPE_MSG_SCSI 0x02
# define DEVICE_PATH_SUB_TYPE_MSG_USB 0x05
# define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR 0x0b
# define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS 0x0f
# define DEVICE_PATH_SUB_TYPE_MSG_SD 0x1a
# define DEVICE_PATH_SUB_TYPE_MSG_MMC 0x1d
struct efi_device_path_atapi {
struct efi_device_path dp;
u8 primary_secondary;
u8 slave_master;
u16 logical_unit_number;
} __packed;
struct efi_device_path_scsi {
struct efi_device_path dp;
u16 target_id;
u16 logical_unit_number;
} __packed;
struct efi_device_path_usb {
struct efi_device_path dp;
u8 parent_port_number;