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Julian Pidancet
cf3ee71e8b
Make load_rom field in struct bios_config an optionnal callback rather than a boolean value. It allow BIOS specific code to implement it's own option ROM loading methods. Facilities to scan PCI devices, extract an deploy ROMs are moved into a separate file that can be compiled optionnaly. Signed-off-by: Julian Pidancet <julian.pidancet@gmail.com> Acked-by: Ian Campbell <ian.campbell@citrix.com>
68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
#ifndef __HVMLOADER_OPTION_ROM_H__
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#define __HVMLOADER_OPTION_ROM_H__
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#include <stdint.h>
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struct option_rom_header {
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uint8_t signature[2]; /* "\x55\xaa" */
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uint8_t rom_size; /* 512-byte increments */
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uint32_t entry_point;
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uint8_t reserved[17];
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uint16_t pci_header_offset;
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uint16_t expansion_header_offset;
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} __attribute__ ((packed));
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struct option_rom_pnp_header {
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uint8_t signature[4]; /* "$PnP" */
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uint8_t structure_revision;
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uint8_t structure_length; /* 16-byte increments */
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uint16_t next_header_offset;
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uint8_t reserved;
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uint8_t checksum;
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uint32_t device_id;
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uint16_t manufacturer_name_offset;
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uint16_t product_name_offset;
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uint8_t device_type_code[3];
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uint8_t device_indicators;
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uint16_t boot_connection_vector;
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uint16_t disconnect_vector;
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uint16_t bootstap_entry_vector;
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uint16_t reserved2;
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uint16_t static_resource_information_vector;
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} __attribute__ ((packed));
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struct option_rom_pci_header {
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uint8_t signature[4]; /* "PCIR" */
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uint16_t vendor_id;
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uint16_t device_id;
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uint16_t vital_product_data_offset;
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uint16_t structure_length;
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uint8_t structure_revision;
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uint8_t class_code[3];
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uint16_t image_length;
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uint16_t image_revision;
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uint8_t code_type;
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uint8_t indicator;
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uint16_t reserved;
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} __attribute__ ((packed));
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#define round_option_rom(x) (((x) + 2047) & ~2047)
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int scan_etherboot_nic(unsigned int option_rom_end,
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uint32_t copy_rom_dest,
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void *etherboot_rom);
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int pci_load_option_roms(unsigned int option_rom_end,
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uint32_t rom_base_addr);
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#endif /* __HVMLOADER_OPTION_ROM_H__ */
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/*
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* Local variables:
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* mode: C
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* c-set-style: "BSD"
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* c-basic-offset: 4
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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