X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fipxe%2Fsrc%2Finclude%2Fipxe%2Fisa_ids.h;fp=qemu%2Froms%2Fipxe%2Fsrc%2Finclude%2Fipxe%2Fisa_ids.h;h=1faf1148db4d4b3fe8c18eec946b62b86c4e2857;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/ipxe/src/include/ipxe/isa_ids.h b/qemu/roms/ipxe/src/include/ipxe/isa_ids.h new file mode 100644 index 000000000..1faf1148d --- /dev/null +++ b/qemu/roms/ipxe/src/include/ipxe/isa_ids.h @@ -0,0 +1,51 @@ +#ifndef ISA_IDS_H +#define ISA_IDS_H + +/* + * This file defines IDs as used by ISAPnP and EISA devices. These + * IDs have the format: + * + * vendor byte 0 bit 7 must be zero + * bits 6-2 first vendor char in compressed ASCII + * bits 1-0 second vendor char in compressed ASCII (bits 4-3) + * byte 1 bits 7-5 second vendor char in compressed ASCII (bits 2-0) + * bits 4-0 third vendor char in compressed ASCII + * product byte 0 bits 7-4 first hex digit of product number + * bits 3-0 second hex digit of product number + * byte 1 bits 7-4 third hex digit of product number + * bits 3-0 hex digit of revision level + * + * ISA IDs are always expressed in little-endian order, even though + * the underlying "meaning" is big-endian. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include + +/* + * Construct a vendor ID from three ASCII characters + * + */ +#define ISA_VENDOR( a, b, c ) \ + bswap_16 ( ( ( ( (a) - 'A' + 1 ) & 0x1f ) << 10 ) | \ + ( ( ( (b) - 'A' + 1 ) & 0x1f ) << 5 ) | \ + ( ( ( (c) - 'A' + 1 ) & 0x1f ) << 0 ) ) + +#define ISAPNP_VENDOR( a, b, c ) ISA_VENDOR ( a, b, c ) +#define EISA_VENDOR( a, b, c ) ISA_VENDOR ( a, b, c ) + +#define GENERIC_ISAPNP_VENDOR ISAPNP_VENDOR ( 'P','N','P' ) + +/* + * Extract product ID and revision from combined product field + * + */ +#define ISA_PROD_ID_MASK ( 0xf0ff ) +#define ISA_PROD_ID(product) ( (product) & ISA_PROD_ID_MASK ) +#define ISA_PROD_REV(product) ( ( (product) & ~ISA_PROD_ID_MASK ) >> 8 ) + +/* Functions in isa_ids.c */ +extern char * isa_id_string ( unsigned int vendor, unsigned int product ); + +#endif /* ISA_IDS_H */