--- /dev/null
+#ifndef _IPXE_EDD_H
+#define _IPXE_EDD_H
+
+/** @file
+ *
+ * Enhanced Disk Drive specification
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <ipxe/interface.h>
+
+/** An EDD host bus type */
+struct edd_host_bus_type {
+ /** Type */
+ uint32_t type;
+} __attribute__ (( packed ));
+
+/** EDD bus type */
+#define EDD_BUS_TYPE_FIXED( a, b, c, d, ... ) \
+ ( ( (a) << 0 ) | ( (b) << 8 ) | ( (c) << 16 ) | ( (d) << 24 ) )
+#define EDD_BUS_TYPE( ... ) \
+ EDD_BUS_TYPE_FIXED ( __VA_ARGS__, ' ', ' ', ' ', ' ' )
+/** EDD PCI bus type */
+#define EDD_BUS_TYPE_PCI EDD_BUS_TYPE ( 'P', 'C', 'I' )
+/** EDD ISA bus type */
+#define EDD_BUS_TYPE_ISA EDD_BUS_TYPE ( 'I', 'S', 'A' )
+/** EDD PCI-X bus type */
+#define EDD_BUS_TYPE_PCIX EDD_BUS_TYPE ( 'P', 'C', 'I', 'X' )
+/** EDD Infiniband bus type */
+#define EDD_BUS_TYPE_IBND EDD_BUS_TYPE ( 'I', 'B', 'N', 'D' )
+/** EDD PCI Express bus type */
+#define EDD_BUS_TYPE_XPRS EDD_BUS_TYPE ( 'X', 'P', 'R', 'S' )
+/** EDD HyperTransport bus type */
+#define EDD_BUS_TYPE_HTPT EDD_BUS_TYPE ( 'H', 'T', 'P', 'T' )
+
+/** An EDD interface type */
+struct edd_interface_type {
+ /** Type */
+ uint64_t type;
+} __attribute__ (( packed ));
+
+/** EDD interface type */
+#define EDD_INTF_TYPE_FIXED( a, b, c, d, e, f, g, h, ... ) \
+ ( ( ( ( uint64_t ) (a) ) << 0 ) | ( ( ( uint64_t ) (b) ) << 8 ) | \
+ ( ( ( uint64_t ) (c) ) << 16 ) | ( ( ( uint64_t ) (d) ) << 24 ) | \
+ ( ( ( uint64_t ) (e) ) << 32 ) | ( ( ( uint64_t ) (f) ) << 40 ) | \
+ ( ( ( uint64_t ) (g) ) << 48 ) | ( ( ( uint64_t ) (h) ) << 56 ) )
+#define EDD_INTF_TYPE( ... ) \
+ EDD_INTF_TYPE_FIXED ( __VA_ARGS__, \
+ ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ' )
+/** EDD ATA interface type */
+#define EDD_INTF_TYPE_ATA EDD_INTF_TYPE ( 'A', 'T', 'A' )
+/** EDD ATAPI interface type */
+#define EDD_INTF_TYPE_ATAPI EDD_INTF_TYPE ( 'A', 'T', 'A', 'P', 'I' )
+/** EDD SCSI interface type */
+#define EDD_INTF_TYPE_SCSI EDD_INTF_TYPE ( 'S', 'C', 'S', 'I' )
+/** EDD USB interface type */
+#define EDD_INTF_TYPE_USB EDD_INTF_TYPE ( 'U', 'S', 'B' )
+/** EDD 1394 interface type */
+#define EDD_INTF_TYPE_1394 EDD_INTF_TYPE ( '1', '3', '9', '4' )
+/** EDD Fibre Channel interface type */
+#define EDD_INTF_TYPE_FIBRE EDD_INTF_TYPE ( 'F', 'I', 'B', 'R', 'E' )
+/** EDD I2O interface type */
+#define EDD_INTF_TYPE_I2O EDD_INTF_TYPE ( 'I', '2', 'O' )
+/** EDD RAID interface type */
+#define EDD_INTF_TYPE_RAID EDD_INTF_TYPE ( 'R', 'A', 'I', 'D' )
+/** EDD SATA interface type */
+#define EDD_INTF_TYPE_SATA EDD_INTF_TYPE ( 'S', 'A', 'T', 'A' )
+/** EDD SAS interface type */
+#define EDD_INTF_TYPE_SAS EDD_INTF_TYPE ( 'S', 'A', 'S' )
+
+/** An EDD interface path */
+union edd_interface_path {
+ /** Legacy bus type */
+ struct {
+ /** Base address */
+ uint16_t base;
+ } __attribute__ (( packed )) legacy;
+ /** PCI, PCI-X, PCI Express, or HyperTransport bus type */
+ struct {
+ /** Bus */
+ uint8_t bus;
+ /** Slot */
+ uint8_t slot;
+ /** Function */
+ uint8_t function;
+ /** Channel number */
+ uint8_t channel;
+ } __attribute__ (( packed )) pci;
+ /** Padding */
+ uint8_t pad[8];
+} __attribute__ (( packed ));
+
+/** An EDD device path */
+union edd_device_path {
+ /** ATA interface type */
+ struct {
+ /** Slave */
+ uint8_t slave;
+ } __attribute__ (( packed )) ata;
+ /** ATAPI interface type */
+ struct {
+ /** Slave */
+ uint8_t slave;
+ /** Logical Unit Number */
+ uint8_t lun;
+ } __attribute__ (( packed )) atapi;
+ /** SCSI interface type */
+ struct {
+ /** SCSI ID */
+ uint16_t id;
+ /** Logical Unit Number */
+ uint64_t lun;
+ } __attribute__ (( packed )) scsi;
+ /** USB interface type */
+ struct {
+ /** Serial number */
+ uint64_t serial;
+ } __attribute__ (( packed )) usb;
+ /** IEEE1394 interface type */
+ struct {
+ /** GUID */
+ uint64_t guid;
+ } __attribute__ (( packed )) ieee1394;
+ /** Fibre Channel interface type */
+ struct {
+ /** WWN */
+ uint64_t wwn;
+ /** Logical Unit Number */
+ uint64_t lun;
+ } __attribute__ (( packed )) fibre;
+ /** I2O interface type */
+ struct {
+ /** Identity tag */
+ uint64_t tag;
+ } __attribute__ (( packed )) i2o;
+ /** RAID interface type */
+ struct {
+ /** Array number */
+ uint32_t array;
+ } __attribute__ (( packed )) raid;
+ /** SATA interface type */
+ struct {
+ /** Port number */
+ uint8_t port;
+ /** Port multiplier number */
+ uint8_t multiplier;
+ } __attribute__ (( packed )) sata;
+ /** SAS interface type */
+ struct {
+ /** Address */
+ uint64_t address;
+ } __attribute__ (( packed )) sas;
+ /** Padding */
+ uint8_t pad[16];
+} __attribute__ (( packed ));
+
+/** EDD device path information */
+struct edd_device_path_information {
+ /** Key */
+ uint16_t key;
+ /** Length of this structure */
+ uint8_t len;
+ /** Reserved */
+ uint8_t reserved_a[3];
+ /** Host bus type */
+ struct edd_host_bus_type host_bus_type;
+ /** Interface type */
+ struct edd_interface_type interface_type;
+ /** Interface path */
+ union edd_interface_path interface_path;
+ /** Device path */
+ union edd_device_path device_path;
+ /** Reserved */
+ uint8_t reserved_b;
+ /** Checksum */
+ uint8_t checksum;
+} __attribute__ (( packed ));
+
+/** EDD device path information key */
+#define EDD_DEVICE_PATH_INFO_KEY 0xbedd
+
+extern int edd_describe ( struct interface *intf,
+ struct edd_interface_type *type,
+ union edd_device_path *path );
+#define edd_describe_TYPE( object_type ) \
+ typeof ( int ( object_type, struct edd_interface_type *type, \
+ union edd_device_path *path ) )
+
+#endif /* _IPXE_EDD_H */
Code Review / kvmfornfv.git / blobdiff