Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / aoe.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/aoe.h b/qemu/roms/ipxe/src/include/ipxe/aoe.h
new file mode 100644 (file)
index 0000000..60f3bd9
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/aoe.h
@@ -0,0 +1,131 @@
+#ifndef _IPXE_AOE_H
+#define _IPXE_AOE_H
+
+/** @file
+ *
+ * AoE protocol
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+#include <ipxe/list.h>
+#include <ipxe/if_ether.h>
+#include <ipxe/retry.h>
+#include <ipxe/ata.h>
+#include <ipxe/acpi.h>
+
+/** An AoE config command */
+struct aoecfg {
+       /** AoE queue depth */
+       uint16_t bufcnt;
+       /** ATA target firmware version */
+       uint16_t fwver;
+       /** ATA target sector count */
+       uint8_t scnt;
+       /** AoE config string subcommand */
+       uint8_t aoeccmd;
+       /** AoE config string length */
+       uint16_t cfglen;
+       /** AoE config string */
+       uint8_t data[0];
+} __attribute__ (( packed ));
+
+/** An AoE ATA command */
+struct aoeata {
+       /** AoE command flags */
+       uint8_t aflags;
+       /** ATA error/feature register */
+       uint8_t err_feat;
+       /** ATA sector count register */
+       uint8_t count;
+       /** ATA command/status register */
+       uint8_t cmd_stat;
+       /** Logical block address, in little-endian order */
+       union {
+               uint64_t u64;
+               uint8_t bytes[6];
+       } lba;
+       /** Data payload */
+       uint8_t data[0];
+} __attribute__ (( packed ));
+
+#define AOE_FL_EXTENDED        0x40    /**< LBA48 extended addressing */
+#define AOE_FL_DEV_HEAD        0x10    /**< Device/head flag */
+#define AOE_FL_ASYNC   0x02    /**< Asynchronous write */
+#define AOE_FL_WRITE   0x01    /**< Write command */
+
+/** An AoE command */
+union aoecmd {
+       /** Config command */
+       struct aoecfg cfg;
+       /** ATA command */
+       struct aoeata ata;
+};
+
+/** An AoE header */
+struct aoehdr {
+       /** Protocol version number and flags */
+       uint8_t ver_flags;
+       /** Error code */
+       uint8_t error;
+       /** Major device number, in network byte order */
+       uint16_t major;
+       /** Minor device number */
+       uint8_t minor;
+       /** Command number */
+       uint8_t command;
+       /** Tag, in network byte order */
+       uint32_t tag;
+       /** Payload */
+       union aoecmd payload[0];
+} __attribute__ (( packed ));
+
+#define AOE_VERSION    0x10    /**< Version 1 */
+#define AOE_VERSION_MASK 0xf0  /**< Version part of ver_flags field */
+
+#define AOE_FL_RESPONSE        0x08    /**< Message is a response */
+#define AOE_FL_ERROR   0x04    /**< Command generated an error */
+
+#define AOE_MAJOR_BROADCAST 0xffff
+#define AOE_MINOR_BROADCAST 0xff
+
+#define AOE_CMD_ATA    0x00    /**< Issue ATA command */
+#define AOE_CMD_CONFIG 0x01    /**< Query Config Information */
+
+#define AOE_ERR_BAD_COMMAND    1 /**< Unrecognised command code */
+#define AOE_ERR_BAD_PARAMETER  2 /**< Bad argument parameter */
+#define AOE_ERR_UNAVAILABLE    3 /**< Device unavailable */
+#define AOE_ERR_CONFIG_EXISTS  4 /**< Config string present */
+#define AOE_ERR_BAD_VERSION    5 /**< Unsupported version */
+
+#define AOE_STATUS_ERR_MASK    0x0f /**< Error portion of status code */ 
+#define AOE_STATUS_PENDING     0x80 /**< Command pending */
+
+/** AoE tag magic marker */
+#define AOE_TAG_MAGIC 0x18ae0000
+
+/** Maximum number of sectors per packet */
+#define AOE_MAX_COUNT 2
+
+/** AoE boot firmware table signature */
+#define ABFT_SIG ACPI_SIGNATURE ( 'a', 'B', 'F', 'T' )
+
+/**
+ * AoE Boot Firmware Table (aBFT)
+ */
+struct abft_table {
+       /** ACPI header */
+       struct acpi_description_header acpi;
+       /** AoE shelf */
+       uint16_t shelf;
+       /** AoE slot */
+       uint8_t slot;
+       /** Reserved */
+       uint8_t reserved_a;
+       /** MAC address */
+       uint8_t mac[ETH_ALEN];
+} __attribute__ (( packed ));
+
+#endif /* _IPXE_AOE_H */