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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GRUB_CPU_PXE_H
#define GRUB_CPU_PXE_H
#include <grub/types.h>
#define GRUB_PXENV_TFTP_OPEN 0x0020
#define GRUB_PXENV_TFTP_CLOSE 0x0021
#define GRUB_PXENV_TFTP_READ 0x0022
#define GRUB_PXENV_TFTP_READ_FILE 0x0023
#define GRUB_PXENV_TFTP_READ_FILE_PMODE 0x0024
#define GRUB_PXENV_TFTP_GET_FSIZE 0x0025
#define GRUB_PXENV_UDP_OPEN 0x0030
#define GRUB_PXENV_UDP_CLOSE 0x0031
#define GRUB_PXENV_UDP_READ 0x0032
#define GRUB_PXENV_UDP_WRITE 0x0033
#define GRUB_PXENV_START_UNDI 0x0000
#define GRUB_PXENV_UNDI_STARTUP 0x0001
#define GRUB_PXENV_UNDI_CLEANUP 0x0002
#define GRUB_PXENV_UNDI_INITIALIZE 0x0003
#define GRUB_PXENV_UNDI_RESET_NIC 0x0004
#define GRUB_PXENV_UNDI_SHUTDOWN 0x0005
#define GRUB_PXENV_UNDI_OPEN 0x0006
#define GRUB_PXENV_UNDI_CLOSE 0x0007
#define GRUB_PXENV_UNDI_TRANSMIT 0x0008
#define GRUB_PXENV_UNDI_SET_MCAST_ADDR 0x0009
#define GRUB_PXENV_UNDI_SET_STATION_ADDR 0x000A
#define GRUB_PXENV_UNDI_SET_PACKET_FILTER 0x000B
#define GRUB_PXENV_UNDI_GET_INFORMATION 0x000C
#define GRUB_PXENV_UNDI_GET_STATISTICS 0x000D
#define GRUB_PXENV_UNDI_CLEAR_STATISTICS 0x000E
#define GRUB_PXENV_UNDI_INITIATE_DIAGS 0x000F
#define GRUB_PXENV_UNDI_FORCE_INTERRUPT 0x0010
#define GRUB_PXENV_UNDI_GET_MCAST_ADDR 0x0011
#define GRUB_PXENV_UNDI_GET_NIC_TYPE 0x0012
#define GRUB_PXENV_UNDI_GET_IFACE_INFO 0x0013
#define GRUB_PXENV_UNDI_ISR 0x0014
#define GRUB_PXENV_STOP_UNDI 0x0015
#define GRUB_PXENV_UNDI_GET_STATE 0x0015
#define GRUB_PXENV_UNLOAD_STACK 0x0070
#define GRUB_PXENV_GET_CACHED_INFO 0x0071
#define GRUB_PXENV_RESTART_DHCP 0x0072
#define GRUB_PXENV_RESTART_TFTP 0x0073
#define GRUB_PXENV_MODE_SWITCH 0x0074
#define GRUB_PXENV_START_BASE 0x0075
#define GRUB_PXENV_STOP_BASE 0x0076
#define GRUB_PXENV_EXIT_SUCCESS 0x0000
#define GRUB_PXENV_EXIT_FAILURE 0x0001
#define GRUB_PXENV_STATUS_SUCCESS 0x00
#define GRUB_PXENV_STATUS_FAILURE 0x01
#define GRUB_PXENV_STATUS_BAD_FUNC 0x02
#define GRUB_PXENV_STATUS_UNSUPPORTED 0x03
#define GRUB_PXENV_STATUS_KEEP_UNDI 0x04
#define GRUB_PXENV_STATUS_KEEP_ALL 0x05
#define GRUB_PXENV_STATUS_OUT_OF_RESOURCES 0x06
#define GRUB_PXENV_STATUS_ARP_TIMEOUT 0x11
#define GRUB_PXENV_STATUS_UDP_CLOSED 0x18
#define GRUB_PXENV_STATUS_UDP_OPEN 0x19
#define GRUB_PXENV_STATUS_TFTP_CLOSED 0x1A
#define GRUB_PXENV_STATUS_TFTP_OPEN 0x1B
#define GRUB_PXENV_STATUS_MCOPY_PROBLEM 0x20
#define GRUB_PXENV_STATUS_BIS_INTEGRITY_FAILURE 0x21
#define GRUB_PXENV_STATUS_BIS_VALIDATE_FAILURE 0x22
#define GRUB_PXENV_STATUS_BIS_INIT_FAILURE 0x23
#define GRUB_PXENV_STATUS_BIS_SHUTDOWN_FAILURE 0x24
#define GRUB_PXENV_STATUS_BIS_GBOA_FAILURE 0x25
#define GRUB_PXENV_STATUS_BIS_FREE_FAILURE 0x26
#define GRUB_PXENV_STATUS_BIS_GSI_FAILURE 0x27
#define GRUB_PXENV_STATUS_BIS_BAD_CKSUM 0x28
#define GRUB_PXENV_STATUS_TFTP_CANNOT_ARP_ADDRESS 0x30
#define GRUB_PXENV_STATUS_TFTP_OPEN_TIMEOUT 0x32
#define GRUB_PXENV_STATUS_TFTP_UNKNOWN_OPCODE 0x33
#define GRUB_PXENV_STATUS_TFTP_READ_TIMEOUT 0x35
#define GRUB_PXENV_STATUS_TFTP_ERROR_OPCODE 0x36
#define GRUB_PXENV_STATUS_TFTP_CANNOT_OPEN_CONNECTION 0x38
#define GRUB_PXENV_STATUS_TFTP_CANNOT_READ_FROM_CONNECTION 0x39
#define GRUB_PXENV_STATUS_TFTP_TOO_MANY_PACKAGES 0x3A
#define GRUB_PXENV_STATUS_TFTP_FILE_NOT_FOUND 0x3B
#define GRUB_PXENV_STATUS_TFTP_ACCESS_VIOLATION 0x3C
#define GRUB_PXENV_STATUS_TFTP_NO_MCAST_ADDRESS 0x3D
#define GRUB_PXENV_STATUS_TFTP_NO_FILESIZE 0x3E
#define GRUB_PXENV_STATUS_TFTP_INVALID_PACKET_SIZE 0x3F
#define GRUB_PXENV_STATUS_DHCP_TIMEOUT 0x51
#define GRUB_PXENV_STATUS_DHCP_NO_IP_ADDRESS 0x52
#define GRUB_PXENV_STATUS_DHCP_NO_BOOTFILE_NAME 0x53
#define GRUB_PXENV_STATUS_DHCP_BAD_IP_ADDRESS 0x54
#define GRUB_PXENV_STATUS_UNDI_INVALID_FUNCTION 0x60
#define GRUB_PXENV_STATUS_UNDI_MEDIATEST_FAILED 0x61
#define GRUB_PXENV_STATUS_UNDI_CANNOT_INIT_NIC_FOR_MCAST 0x62
#define GRUB_PXENV_STATUS_UNDI_CANNOT_INITIALIZE_NIC 0x63
#define GRUB_PXENV_STATUS_UNDI_CANNOT_INITIALIZE_PHY 0x64
#define GRUB_PXENV_STATUS_UNDI_CANNOT_READ_CONFIG_DATA 0x65
#define GRUB_PXENV_STATUS_UNDI_CANNOT_READ_INIT_DATA 0x66
#define GRUB_PXENV_STATUS_UNDI_BAD_MAC_ADDRESS 0x67
#define GRUB_PXENV_STATUS_UNDI_BAD_EEPROM_CHECKSUM 0x68
#define GRUB_PXENV_STATUS_UNDI_ERROR_SETTING_ISR 0x69
#define GRUB_PXENV_STATUS_UNDI_INVALID_STATE 0x6A
#define GRUB_PXENV_STATUS_UNDI_TRANSMIT_ERROR 0x6B
#define GRUB_PXENV_STATUS_UNDI_INVALID_PARAMETER 0x6C
#define GRUB_PXENV_STATUS_BSTRAP_PROMPT_MENU 0x74
#define GRUB_PXENV_STATUS_BSTRAP_MCAST_ADDR 0x76
#define GRUB_PXENV_STATUS_BSTRAP_MISSING_LIST 0x77
#define GRUB_PXENV_STATUS_BSTRAP_NO_RESPONSE 0x78
#define GRUB_PXENV_STATUS_BSTRAP_FILE_TOO_BIG 0x79
#define GRUB_PXENV_STATUS_BINL_CANCELED_BY_KEYSTROKE 0xA0
#define GRUB_PXENV_STATUS_BINL_NO_PXE_SERVER 0xA1
#define GRUB_PXENV_STATUS_NOT_AVAILABLE_IN_PMODE 0xA2
#define GRUB_PXENV_STATUS_NOT_AVAILABLE_IN_RMODE 0xA3
#define GRUB_PXENV_STATUS_BUSD_DEVICE_NOT_SUPPORTED 0xB0
#define GRUB_PXENV_STATUS_LOADER_NO_FREE_BASE_MEMORY 0xC0
#define GRUB_PXENV_STATUS_LOADER_NO_BC_ROMID 0xC1
#define GRUB_PXENV_STATUS_LOADER_BAD_BC_ROMID 0xC2
#define GRUB_PXENV_STATUS_LOADER_BAD_BC_RUNTIME_IMAGE 0xC3
#define GRUB_PXENV_STATUS_LOADER_NO_UNDI_ROMID 0xC4
#define GRUB_PXENV_STATUS_LOADER_BAD_UNDI_ROMID 0xC5
#define GRUB_PXENV_STATUS_LOADER_BAD_UNDI_DRIVER_IMAGE 0xC6
#define GRUB_PXENV_STATUS_LOADER_NO_PXE_STRUCT 0xC8
#define GRUB_PXENV_STATUS_LOADER_NO_PXENV_STRUCT 0xC9
#define GRUB_PXENV_STATUS_LOADER_UNDI_START 0xCA
#define GRUB_PXENV_STATUS_LOADER_BC_START 0xCB
#define GRUB_PXENV_PACKET_TYPE_DHCP_DISCOVER 1
#define GRUB_PXENV_PACKET_TYPE_DHCP_ACK 2
#define GRUB_PXENV_PACKET_TYPE_CACHED_REPLY 3
#define GRUB_PXE_BOOTP_REQ 1
#define GRUB_PXE_BOOTP_REP 2
#define GRUB_PXE_BOOTP_BCAST 0x8000
#if 1
#define GRUB_PXE_BOOTP_SIZE (1024 + 236) /* DHCP extended vendor field size. */
#else
#define GRUB_PXE_BOOTP_SIZE (312 + 236) /* DHCP standard vendor field size. */
#endif
#define GRUB_PXE_TFTP_PORT 69
#define GRUB_PXE_ERR_LEN 0xFFFFFFFF
#ifndef ASM_FILE
#define GRUB_PXE_SIGNATURE "PXENV+"
struct grub_pxenv
{
grub_uint8_t signature[6]; /* 'PXENV+'. */
grub_uint16_t version; /* MSB = major, LSB = minor. */
grub_uint8_t length; /* structure length. */
grub_uint8_t checksum; /* checksum pad. */
grub_uint32_t rm_entry; /* SEG:OFF to PXE entry point. */
grub_uint32_t pm_offset; /* Protected mode entry. */
grub_uint16_t pm_selector; /* Protected mode selector. */
grub_uint16_t stack_seg; /* Stack segment address. */
grub_uint16_t stack_size; /* Stack segment size (bytes). */
grub_uint16_t bc_code_seg; /* BC Code segment address. */
grub_uint16_t bc_code_size; /* BC Code segment size (bytes). */
grub_uint16_t bc_data_seg; /* BC Data segment address. */
grub_uint16_t bc_data_size; /* BC Data segment size (bytes). */
grub_uint16_t undi_data_seg; /* UNDI Data segment address. */
grub_uint16_t undi_data_size; /* UNDI Data segment size (bytes). */
grub_uint16_t undi_code_seg; /* UNDI Code segment address. */
grub_uint16_t undi_code_size; /* UNDI Code segment size (bytes). */
grub_uint32_t pxe_ptr; /* SEG:OFF to !PXE struct. */
} GRUB_PACKED;
struct grub_pxe_bangpxe
{
grub_uint8_t signature[4];
#define GRUB_PXE_BANGPXE_SIGNATURE "!PXE"
grub_uint8_t length;
grub_uint8_t chksum;
grub_uint8_t rev;
grub_uint8_t reserved;
grub_uint32_t undiromid;
grub_uint32_t baseromid;
grub_uint32_t rm_entry;
} GRUB_PACKED;
struct grub_pxenv_get_cached_info
{
grub_uint16_t status;
grub_uint16_t packet_type;
grub_uint16_t buffer_size;
grub_uint32_t buffer;
grub_uint16_t buffer_limit;
} GRUB_PACKED;
struct grub_pxenv_tftp_open
{
grub_uint16_t status;
grub_uint32_t server_ip;
grub_uint32_t gateway_ip;
grub_uint8_t filename[128];
grub_uint16_t tftp_port;
grub_uint16_t packet_size;
} GRUB_PACKED;
struct grub_pxenv_tftp_close
{
grub_uint16_t status;
} GRUB_PACKED;
struct grub_pxenv_tftp_read
{
grub_uint16_t status;
grub_uint16_t packet_number;
grub_uint16_t buffer_size;
grub_uint32_t buffer;
} GRUB_PACKED;
struct grub_pxenv_tftp_get_fsize
{
grub_uint16_t status;
grub_uint32_t server_ip;
grub_uint32_t gateway_ip;
grub_uint8_t filename[128];
grub_uint32_t file_size;
} GRUB_PACKED;
struct grub_pxenv_udp_open
{
grub_uint16_t status;
grub_uint32_t src_ip;
} GRUB_PACKED;
struct grub_pxenv_udp_close
{
grub_uint16_t status;
} GRUB_PACKED;
struct grub_pxenv_udp_write
{
grub_uint16_t status;
grub_uint32_t ip;
grub_uint32_t gateway;
grub_uint16_t src_port;
grub_uint16_t dst_port;
grub_uint16_t buffer_size;
grub_uint32_t buffer;
} GRUB_PACKED;
struct grub_pxenv_udp_read
{
grub_uint16_t status;
grub_uint32_t src_ip;
grub_uint32_t dst_ip;
grub_uint16_t src_port;
grub_uint16_t dst_port;
grub_uint16_t buffer_size;
grub_uint32_t buffer;
} GRUB_PACKED;
struct grub_pxenv_unload_stack
{
grub_uint16_t status;
grub_uint8_t reserved[10];
} GRUB_PACKED;
int EXPORT_FUNC(grub_pxe_call) (int func, void * data, grub_uint32_t pxe_rm_entry) __attribute__ ((regparm(3)));
extern struct grub_pxe_bangpxe *grub_pxe_pxenv;
void *
grub_pxe_get_cached (grub_uint16_t type);
#endif
#endif /* GRUB_CPU_PXE_H */
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