| 1 | #ifndef PXE_H |
| 2 | #define PXE_H |
| 3 | |
| 4 | #include <stdint.h> |
| 5 | #include <lib/part.h> |
| 6 | |
| 7 | #define DHCP_ACK_PACKET_LEN 296 |
| 8 | |
| 9 | extern uint8_t cached_dhcp_packet[DHCP_ACK_PACKET_LEN]; |
| 10 | extern bool cached_dhcp_ack_valid; |
| 11 | |
| 12 | #if defined (BIOS) |
| 13 | |
| 14 | struct volume *pxe_bind_volume(void); |
| 15 | void pxe_init(void); |
| 16 | int pxe_call(uint16_t opcode, uint16_t buf_seg, uint16_t buf_off); |
| 17 | |
| 18 | #define MAC_ADDR_LEN 16 |
| 19 | typedef uint8_t MAC_ADDR_t[MAC_ADDR_LEN]; |
| 20 | |
| 21 | struct bootph { |
| 22 | uint8_t opcode; |
| 23 | uint8_t Hardware; |
| 24 | uint8_t Hardlen; |
| 25 | uint8_t Gatehops; |
| 26 | uint32_t ident; |
| 27 | uint16_t seconds; |
| 28 | uint16_t Flags; |
| 29 | uint32_t cip; |
| 30 | uint32_t yip; |
| 31 | uint32_t sip; |
| 32 | uint32_t gip; |
| 33 | MAC_ADDR_t CAddr; |
| 34 | uint8_t Sname[64]; |
| 35 | uint8_t bootfile[128]; |
| 36 | union bootph_vendor { |
| 37 | uint8_t d[1024]; |
| 38 | struct bootph_vendor_v { |
| 39 | uint8_t magic[4]; |
| 40 | uint32_t flags; |
| 41 | uint8_t pad[52]; |
| 42 | } v; |
| 43 | } vendor; |
| 44 | }; |
| 45 | |
| 46 | struct PXENV_UNDI_GET_INFORMATION { |
| 47 | uint16_t Status; |
| 48 | uint16_t BaseIo; |
| 49 | uint16_t IntNumber; |
| 50 | uint16_t MaxTranUnit; |
| 51 | uint16_t HwType; |
| 52 | uint16_t HwAddrLen; |
| 53 | uint8_t CurrentNodeAddress[16]; |
| 54 | uint8_t PermNodeAddress[16]; |
| 55 | uint16_t ROMAddress; |
| 56 | uint16_t RxBufCt; |
| 57 | uint16_t TxBufCt; |
| 58 | }; |
| 59 | |
| 60 | #define PXE_SIGNATURE "PXENV+" |
| 61 | struct pxenv { |
| 62 | uint8_t signature[6]; |
| 63 | uint16_t version; |
| 64 | uint8_t length; |
| 65 | uint8_t checksum; |
| 66 | uint32_t rm_entry; |
| 67 | uint32_t pm_offset; |
| 68 | uint16_t pm_selector; |
| 69 | uint16_t stack_seg; |
| 70 | uint16_t stack_size; |
| 71 | uint16_t bc_code_seg; |
| 72 | uint16_t bc_code_size; |
| 73 | uint16_t bc_data_seg; |
| 74 | uint16_t bc_data_size; |
| 75 | uint16_t undi_data_seg; |
| 76 | uint16_t undi_data_size; |
| 77 | uint16_t undi_code_seg; |
| 78 | uint16_t undi_code_size; |
| 79 | uint32_t pxe_ptr; |
| 80 | } __attribute__((packed)); |
| 81 | |
| 82 | #define PXE_BANGPXE_SIGNATURE "!PXE" |
| 83 | struct bangpxe { |
| 84 | uint8_t signature[4]; |
| 85 | uint8_t length; |
| 86 | uint8_t chksum; |
| 87 | uint8_t rev; |
| 88 | uint8_t reserved; |
| 89 | uint32_t undiromid; |
| 90 | uint32_t baseromid; |
| 91 | uint32_t rm_entry; |
| 92 | uint32_t pm_entry; |
| 93 | } __attribute__((packed)); |
| 94 | |
| 95 | #define PXENV_GET_CACHED_INFO 0x0071 |
| 96 | #define PXENV_PACKET_TYPE_CACHED_REPLY 3 |
| 97 | struct pxenv_get_cached_info { |
| 98 | uint16_t status; |
| 99 | uint16_t packet_type; |
| 100 | uint16_t buffer_size; |
| 101 | uint32_t buffer; |
| 102 | uint16_t buffer_limit; |
| 103 | } __attribute__((packed)); |
| 104 | |
| 105 | #elif defined (UEFI) |
| 106 | |
| 107 | struct volume *pxe_bind_volume(EFI_HANDLE efi_handle, EFI_PXE_BASE_CODE *pxe_base_code); |
| 108 | |
| 109 | #endif |
| 110 | |
| 111 | #endif |
