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1.1 root 1: #ifndef PXE_H
2: #define PXE_H
3:
4: FILE_LICENCE ( GPL2_OR_LATER );
5:
6: #include "pxe_types.h"
7: #include "pxe_api.h"
8: #include <ipxe/device.h>
9:
10: /* Parameter block for pxenv_unknown() */
11: struct s_PXENV_UNKNOWN {
12: PXENV_STATUS_t Status; /**< PXE status code */
13: } __attribute__ (( packed ));
14:
15: typedef struct s_PXENV_UNKNOWN PXENV_UNKNOWN_t;
16:
17: /* Union used for PXE API calls; we don't know the type of the
18: * structure until we interpret the opcode. Also, Status is available
19: * in the same location for any opcode, and it's convenient to have
20: * non-specific access to it.
21: */
22: union u_PXENV_ANY {
23: /* Make it easy to read status for any operation */
24: PXENV_STATUS_t Status;
25: struct s_PXENV_UNKNOWN unknown;
26: struct s_PXENV_UNLOAD_STACK unload_stack;
27: struct s_PXENV_GET_CACHED_INFO get_cached_info;
28: struct s_PXENV_TFTP_READ_FILE restart_tftp;
29: struct s_PXENV_START_UNDI start_undi;
30: struct s_PXENV_STOP_UNDI stop_undi;
31: struct s_PXENV_START_BASE start_base;
32: struct s_PXENV_STOP_BASE stop_base;
33: struct s_PXENV_TFTP_OPEN tftp_open;
34: struct s_PXENV_TFTP_CLOSE tftp_close;
35: struct s_PXENV_TFTP_READ tftp_read;
36: struct s_PXENV_TFTP_READ_FILE tftp_read_file;
37: struct s_PXENV_TFTP_GET_FSIZE tftp_get_fsize;
38: struct s_PXENV_UDP_OPEN udp_open;
39: struct s_PXENV_UDP_CLOSE udp_close;
40: struct s_PXENV_UDP_WRITE udp_write;
41: struct s_PXENV_UDP_READ udp_read;
42: struct s_PXENV_UNDI_STARTUP undi_startup;
43: struct s_PXENV_UNDI_CLEANUP undi_cleanup;
44: struct s_PXENV_UNDI_INITIALIZE undi_initialize;
45: struct s_PXENV_UNDI_RESET undi_reset_adapter;
46: struct s_PXENV_UNDI_SHUTDOWN undi_shutdown;
47: struct s_PXENV_UNDI_OPEN undi_open;
48: struct s_PXENV_UNDI_CLOSE undi_close;
49: struct s_PXENV_UNDI_TRANSMIT undi_transmit;
50: struct s_PXENV_UNDI_SET_MCAST_ADDRESS undi_set_mcast_address;
51: struct s_PXENV_UNDI_SET_STATION_ADDRESS undi_set_station_address;
52: struct s_PXENV_UNDI_SET_PACKET_FILTER undi_set_packet_filter;
53: struct s_PXENV_UNDI_GET_INFORMATION undi_get_information;
54: struct s_PXENV_UNDI_GET_STATISTICS undi_get_statistics;
55: struct s_PXENV_UNDI_CLEAR_STATISTICS undi_clear_statistics;
56: struct s_PXENV_UNDI_INITIATE_DIAGS undi_initiate_diags;
57: struct s_PXENV_UNDI_FORCE_INTERRUPT undi_force_interrupt;
58: struct s_PXENV_UNDI_GET_MCAST_ADDRESS undi_get_mcast_address;
59: struct s_PXENV_UNDI_GET_NIC_TYPE undi_get_nic_type;
60: struct s_PXENV_UNDI_GET_IFACE_INFO undi_get_iface_info;
61: struct s_PXENV_UNDI_GET_STATE undi_get_state;
62: struct s_PXENV_UNDI_ISR undi_isr;
63: struct s_PXENV_FILE_OPEN file_open;
64: struct s_PXENV_FILE_CLOSE file_close;
65: struct s_PXENV_FILE_SELECT file_select;
66: struct s_PXENV_FILE_READ file_read;
67: struct s_PXENV_GET_FILE_SIZE get_file_size;
68: struct s_PXENV_FILE_EXEC file_exec;
69: struct s_PXENV_FILE_API_CHECK file_api_check;
70: struct s_PXENV_FILE_EXIT_HOOK file_exit_hook;
71: };
72:
73: typedef union u_PXENV_ANY PXENV_ANY_t;
74:
75: /** An UNDI expansion ROM header */
76: struct undi_rom_header {
77: /** Signature
78: *
79: * Must be equal to @c ROM_SIGNATURE
80: */
81: UINT16_t Signature;
82: /** ROM length in 512-byte blocks */
83: UINT8_t ROMLength;
84: /** Unused */
85: UINT8_t unused[0x13];
86: /** Offset of the PXE ROM ID structure */
87: UINT16_t PXEROMID;
88: /** Offset of the PCI ROM structure */
89: UINT16_t PCIRHeader;
90: } __attribute__ (( packed ));
91:
92: /** Signature for an expansion ROM */
93: #define ROM_SIGNATURE 0xaa55
94:
95: /** An UNDI ROM ID structure */
96: struct undi_rom_id {
97: /** Signature
98: *
99: * Must be equal to @c UNDI_ROM_ID_SIGNATURE
100: */
101: UINT32_t Signature;
102: /** Length of structure */
103: UINT8_t StructLength;
104: /** Checksum */
105: UINT8_t StructCksum;
106: /** Structure revision
107: *
108: * Must be zero.
109: */
110: UINT8_t StructRev;
111: /** UNDI revision
112: *
113: * Version 2.1.0 is encoded as the byte sequence 0x00, 0x01, 0x02.
114: */
115: UINT8_t UNDIRev[3];
116: /** Offset to UNDI loader */
117: UINT16_t UNDILoader;
118: /** Minimum required stack segment size */
119: UINT16_t StackSize;
120: /** Minimum required data segment size */
121: UINT16_t DataSize;
122: /** Minimum required code segment size */
123: UINT16_t CodeSize;
124: } __attribute__ (( packed ));
125:
126: /** Signature for an UNDI ROM ID structure */
127: #define UNDI_ROM_ID_SIGNATURE \
128: ( ( 'U' << 0 ) + ( 'N' << 8 ) + ( 'D' << 16 ) + ( 'I' << 24 ) )
129:
130: /** A PCI expansion header */
131: struct pcir_header {
132: /** Signature
133: *
134: * Must be equal to @c PCIR_SIGNATURE
135: */
136: uint32_t signature;
137: /** PCI vendor ID */
138: uint16_t vendor_id;
139: /** PCI device ID */
140: uint16_t device_id;
141: } __attribute__ (( packed ));
142:
143: /** Signature for an UNDI ROM ID structure */
144: #define PCIR_SIGNATURE \
145: ( ( 'P' << 0 ) + ( 'C' << 8 ) + ( 'I' << 16 ) + ( 'R' << 24 ) )
146:
147:
148: extern struct net_device *pxe_netdev;
149:
150: extern void pxe_set_netdev ( struct net_device *netdev );
151:
152: #endif /* PXE_H */
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