X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fipxe%2Fsrc%2Farch%2Fi386%2Finclude%2Fpxe.h;fp=qemu%2Froms%2Fipxe%2Fsrc%2Farch%2Fi386%2Finclude%2Fpxe.h;h=b95b0cce52fef3fc3cde465cf93540b47053bb9b;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/ipxe/src/arch/i386/include/pxe.h b/qemu/roms/ipxe/src/arch/i386/include/pxe.h new file mode 100644 index 000000000..b95b0cce5 --- /dev/null +++ b/qemu/roms/ipxe/src/arch/i386/include/pxe.h @@ -0,0 +1,199 @@ +#ifndef PXE_H +#define PXE_H + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include "pxe_types.h" +#include "pxe_error.h" +#include "pxe_api.h" +#include +#include + +/** PXE API invalid function code */ +#define PXENV_UNKNOWN 0xffff + +/** Parameter block for pxenv_unknown() */ +struct s_PXENV_UNKNOWN { + PXENV_STATUS_t Status; /**< PXE status code */ +} __attribute__ (( packed )); + +typedef struct s_PXENV_UNKNOWN PXENV_UNKNOWN_t; + +/* Union used for PXE API calls; we don't know the type of the + * structure until we interpret the opcode. Also, Status is available + * in the same location for any opcode, and it's convenient to have + * non-specific access to it. + */ +union u_PXENV_ANY { + /* Make it easy to read status for any operation */ + PXENV_STATUS_t Status; + struct s_PXENV_UNKNOWN unknown; + struct s_PXENV_UNLOAD_STACK unload_stack; + struct s_PXENV_GET_CACHED_INFO get_cached_info; + struct s_PXENV_TFTP_READ_FILE restart_tftp; + struct s_PXENV_START_UNDI start_undi; + struct s_PXENV_STOP_UNDI stop_undi; + struct s_PXENV_START_BASE start_base; + struct s_PXENV_STOP_BASE stop_base; + struct s_PXENV_TFTP_OPEN tftp_open; + struct s_PXENV_TFTP_CLOSE tftp_close; + struct s_PXENV_TFTP_READ tftp_read; + struct s_PXENV_TFTP_READ_FILE tftp_read_file; + struct s_PXENV_TFTP_GET_FSIZE tftp_get_fsize; + struct s_PXENV_UDP_OPEN udp_open; + struct s_PXENV_UDP_CLOSE udp_close; + struct s_PXENV_UDP_WRITE udp_write; + struct s_PXENV_UDP_READ udp_read; + struct s_PXENV_UNDI_STARTUP undi_startup; + struct s_PXENV_UNDI_CLEANUP undi_cleanup; + struct s_PXENV_UNDI_INITIALIZE undi_initialize; + struct s_PXENV_UNDI_RESET undi_reset_adapter; + struct s_PXENV_UNDI_SHUTDOWN undi_shutdown; + struct s_PXENV_UNDI_OPEN undi_open; + struct s_PXENV_UNDI_CLOSE undi_close; + struct s_PXENV_UNDI_TRANSMIT undi_transmit; + struct s_PXENV_UNDI_SET_MCAST_ADDRESS undi_set_mcast_address; + struct s_PXENV_UNDI_SET_STATION_ADDRESS undi_set_station_address; + struct s_PXENV_UNDI_SET_PACKET_FILTER undi_set_packet_filter; + struct s_PXENV_UNDI_GET_INFORMATION undi_get_information; + struct s_PXENV_UNDI_GET_STATISTICS undi_get_statistics; + struct s_PXENV_UNDI_CLEAR_STATISTICS undi_clear_statistics; + struct s_PXENV_UNDI_INITIATE_DIAGS undi_initiate_diags; + struct s_PXENV_UNDI_FORCE_INTERRUPT undi_force_interrupt; + struct s_PXENV_UNDI_GET_MCAST_ADDRESS undi_get_mcast_address; + struct s_PXENV_UNDI_GET_NIC_TYPE undi_get_nic_type; + struct s_PXENV_UNDI_GET_IFACE_INFO undi_get_iface_info; + struct s_PXENV_UNDI_GET_STATE undi_get_state; + struct s_PXENV_UNDI_ISR undi_isr; + struct s_PXENV_FILE_OPEN file_open; + struct s_PXENV_FILE_CLOSE file_close; + struct s_PXENV_FILE_SELECT file_select; + struct s_PXENV_FILE_READ file_read; + struct s_PXENV_GET_FILE_SIZE get_file_size; + struct s_PXENV_FILE_EXEC file_exec; + struct s_PXENV_FILE_API_CHECK file_api_check; + struct s_PXENV_FILE_EXIT_HOOK file_exit_hook; +}; + +typedef union u_PXENV_ANY PXENV_ANY_t; + +/** A PXE API call */ +struct pxe_api_call { + /** Entry point + * + * @v params PXE API call parameters + * @ret exit PXE API call exit code + */ + PXENV_EXIT_t ( * entry ) ( union u_PXENV_ANY *params ); + /** Length of parameters */ + uint16_t params_len; + /** Opcode */ + uint16_t opcode; +}; + +/** PXE API call table */ +#define PXE_API_CALLS __table ( struct pxe_api_call, "pxe_api_calls" ) + +/** Declare a PXE API call */ +#define __pxe_api_call __table_entry ( PXE_API_CALLS, 01 ) + +/** + * Define a PXE API call + * + * @v _opcode Opcode + * @v _entry Entry point + * @v _params_type Type of parameter structure + * @ret call PXE API call + */ +#define PXE_API_CALL( _opcode, _entry, _params_type ) { \ + .entry = ( ( ( ( PXENV_EXIT_t ( * ) ( _params_type *params ) ) NULL ) \ + == ( ( typeof ( _entry ) * ) NULL ) ) \ + ? ( ( PXENV_EXIT_t ( * ) \ + ( union u_PXENV_ANY *params ) ) _entry ) \ + : ( ( PXENV_EXIT_t ( * ) \ + ( union u_PXENV_ANY *params ) ) _entry ) ), \ + .params_len = sizeof ( _params_type ), \ + .opcode = _opcode, \ + } + +/** An UNDI expansion ROM header */ +struct undi_rom_header { + /** Signature + * + * Must be equal to @c ROM_SIGNATURE + */ + UINT16_t Signature; + /** ROM length in 512-byte blocks */ + UINT8_t ROMLength; + /** Unused */ + UINT8_t unused[0x13]; + /** Offset of the PXE ROM ID structure */ + UINT16_t PXEROMID; + /** Offset of the PCI ROM structure */ + UINT16_t PCIRHeader; +} __attribute__ (( packed )); + +/** Signature for an expansion ROM */ +#define ROM_SIGNATURE 0xaa55 + +/** An UNDI ROM ID structure */ +struct undi_rom_id { + /** Signature + * + * Must be equal to @c UNDI_ROM_ID_SIGNATURE + */ + UINT32_t Signature; + /** Length of structure */ + UINT8_t StructLength; + /** Checksum */ + UINT8_t StructCksum; + /** Structure revision + * + * Must be zero. + */ + UINT8_t StructRev; + /** UNDI revision + * + * Version 2.1.0 is encoded as the byte sequence 0x00, 0x01, 0x02. + */ + UINT8_t UNDIRev[3]; + /** Offset to UNDI loader */ + UINT16_t UNDILoader; + /** Minimum required stack segment size */ + UINT16_t StackSize; + /** Minimum required data segment size */ + UINT16_t DataSize; + /** Minimum required code segment size */ + UINT16_t CodeSize; +} __attribute__ (( packed )); + +/** Signature for an UNDI ROM ID structure */ +#define UNDI_ROM_ID_SIGNATURE \ + ( ( 'U' << 0 ) + ( 'N' << 8 ) + ( 'D' << 16 ) + ( 'I' << 24 ) ) + +/** A PCI expansion header */ +struct pcir_header { + /** Signature + * + * Must be equal to @c PCIR_SIGNATURE + */ + uint32_t signature; + /** PCI vendor ID */ + uint16_t vendor_id; + /** PCI device ID */ + uint16_t device_id; +} __attribute__ (( packed )); + +/** Signature for an UNDI ROM ID structure */ +#define PCIR_SIGNATURE \ + ( ( 'P' << 0 ) + ( 'C' << 8 ) + ( 'I' << 16 ) + ( 'R' << 24 ) ) + +extern struct net_device *pxe_netdev; +extern const char *pxe_cmdline; + +extern void pxe_set_netdev ( struct net_device *netdev ); +extern PXENV_EXIT_t pxenv_tftp_read_file ( struct s_PXENV_TFTP_READ_FILE + *tftp_read_file ); +extern PXENV_EXIT_t undi_loader ( struct s_UNDI_LOADER *undi_loader ); + +#endif /* PXE_H */