freebsd-dev/sys/i386/include/mptable.h

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/*-
* 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__ */