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Diffstat (limited to 'sys/x86/include/mptable.h')
| -rw-r--r-- | sys/x86/include/mptable.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/sys/x86/include/mptable.h b/sys/x86/include/mptable.h new file mode 100644 index 0000000..451d9ce --- /dev/null +++ b/sys/x86/include/mptable.h @@ -0,0 +1,146 @@ +/*- + * Copyright (c) 1996, by Steve Passe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. The name of the developer may NOT be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef __MACHINE_MPTABLE_H__ +#define __MACHINE_MPTABLE_H__ + +enum busTypes { + NOBUS = 0, + EISA = 3, + ISA = 6, + MCA = 9, + PCI = 13, + MAX_BUSTYPE = 18, + UNKNOWN_BUSTYPE = 0xff +}; + +/* MP Floating Pointer Structure */ +typedef struct MPFPS { + char signature[4]; + u_int32_t pap; + u_char length; + u_char spec_rev; + u_char checksum; + u_char config_type; + u_char mpfb2; + u_char mpfb3; + u_char mpfb4; + u_char mpfb5; +} *mpfps_t; + +#define MPFB2_IMCR_PRESENT 0x80 +#define MPFB2_MUL_CLK_SRCS 0x40 + +/* MP Configuration Table Header */ +typedef struct MPCTH { + char signature[4]; + u_short base_table_length; + u_char spec_rev; + u_char checksum; + u_char oem_id[8]; + u_char product_id[12]; + u_int32_t oem_table_pointer; + u_short oem_table_size; + u_short entry_count; + u_int32_t apic_address; + u_short extended_table_length; + u_char extended_table_checksum; + u_char reserved; +} *mpcth_t; + +#define MPCT_ENTRY_PROCESSOR 0 +#define MPCT_ENTRY_BUS 1 +#define MPCT_ENTRY_IOAPIC 2 +#define MPCT_ENTRY_INT 3 +#define MPCT_ENTRY_LOCAL_INT 4 + +typedef struct PROCENTRY { + u_char type; + u_char apic_id; + u_char apic_version; + u_char cpu_flags; + u_long cpu_signature; + u_long feature_flags; + u_long reserved1; + u_long reserved2; +} *proc_entry_ptr; + +#define PROCENTRY_FLAG_EN 0x01 +#define PROCENTRY_FLAG_BP 0x02 + +typedef struct BUSENTRY { + u_char type; + u_char bus_id; + char bus_type[6]; +} *bus_entry_ptr; + +typedef struct IOAPICENTRY { + u_char type; + u_char apic_id; + u_char apic_version; + u_char apic_flags; + u_int32_t apic_address; +} *io_apic_entry_ptr; + +#define IOAPICENTRY_FLAG_EN 0x01 + +typedef struct INTENTRY { + u_char type; + u_char int_type; + u_short int_flags; + u_char src_bus_id; + u_char src_bus_irq; + u_char dst_apic_id; + u_char dst_apic_int; +} *int_entry_ptr; + +#define INTENTRY_TYPE_INT 0 +#define INTENTRY_TYPE_NMI 1 +#define INTENTRY_TYPE_SMI 2 +#define INTENTRY_TYPE_EXTINT 3 + +#define INTENTRY_FLAGS_POLARITY 0x3 +#define INTENTRY_FLAGS_POLARITY_CONFORM 0x0 +#define INTENTRY_FLAGS_POLARITY_ACTIVEHI 0x1 +#define INTENTRY_FLAGS_POLARITY_ACTIVELO 0x3 +#define INTENTRY_FLAGS_TRIGGER 0xc +#define INTENTRY_FLAGS_TRIGGER_CONFORM 0x0 +#define INTENTRY_FLAGS_TRIGGER_EDGE 0x4 +#define INTENTRY_FLAGS_TRIGGER_LEVEL 0xc + +/* descriptions of MP basetable entries */ +typedef struct BASETABLE_ENTRY { + u_char type; + u_char length; + char name[16]; +} basetable_entry; + +#ifdef _KERNEL +int mptable_pci_probe_table(int bus); +int mptable_pci_route_interrupt(device_t pcib, device_t dev, int pin); +#endif +#endif /* !__MACHINE_MPTABLE_H__ */ |
