bbc9fed833
enumerate I/O APICs as well as local APICs. It also provides Host-PCI and PCI-PCI bridge drivers to use the MP Table to route PCI interrupts.
146 lines
3.8 KiB
C
146 lines
3.8 KiB
C
/*
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* Copyright (c) 1996, by Steve Passe
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the developer may NOT be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef __MACHINE_MPTABLE_H__
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#define __MACHINE_MPTABLE_H__
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enum busTypes {
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NOBUS = 0,
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EISA = 3,
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ISA = 6,
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MCA = 9,
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PCI = 13,
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MAX_BUSTYPE = 18,
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UNKNOWN_BUSTYPE = 0xff
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};
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/* MP Floating Pointer Structure */
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typedef struct MPFPS {
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char signature[4];
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void *pap;
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u_char length;
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u_char spec_rev;
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u_char checksum;
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u_char config_type;
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u_char mpfb2;
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u_char mpfb3;
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u_char mpfb4;
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u_char mpfb5;
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} *mpfps_t;
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#define MPFB2_IMCR_PRESENT 0x80
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#define MPFB2_MUL_CLK_SRCS 0x40
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/* MP Configuration Table Header */
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typedef struct MPCTH {
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char signature[4];
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u_short base_table_length;
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u_char spec_rev;
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u_char checksum;
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u_char oem_id[8];
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u_char product_id[12];
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void *oem_table_pointer;
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u_short oem_table_size;
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u_short entry_count;
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void *apic_address;
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u_short extended_table_length;
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u_char extended_table_checksum;
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u_char reserved;
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} *mpcth_t;
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#define MPCT_ENTRY_PROCESSOR 0
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#define MPCT_ENTRY_BUS 1
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#define MPCT_ENTRY_IOAPIC 2
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#define MPCT_ENTRY_INT 3
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#define MPCT_ENTRY_LOCAL_INT 4
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typedef struct PROCENTRY {
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u_char type;
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u_char apic_id;
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u_char apic_version;
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u_char cpu_flags;
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u_long cpu_signature;
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u_long feature_flags;
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u_long reserved1;
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u_long reserved2;
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} *proc_entry_ptr;
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#define PROCENTRY_FLAG_EN 0x01
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#define PROCENTRY_FLAG_BP 0x02
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typedef struct BUSENTRY {
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u_char type;
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u_char bus_id;
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char bus_type[6];
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} *bus_entry_ptr;
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typedef struct IOAPICENTRY {
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u_char type;
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u_char apic_id;
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u_char apic_version;
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u_char apic_flags;
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void *apic_address;
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} *io_apic_entry_ptr;
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#define IOAPICENTRY_FLAG_EN 0x01
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typedef struct INTENTRY {
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u_char type;
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u_char int_type;
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u_short int_flags;
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u_char src_bus_id;
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u_char src_bus_irq;
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u_char dst_apic_id;
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u_char dst_apic_int;
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} *int_entry_ptr;
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#define INTENTRY_TYPE_INT 0
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#define INTENTRY_TYPE_NMI 1
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#define INTENTRY_TYPE_SMI 2
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#define INTENTRY_TYPE_EXTINT 3
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#define INTENTRY_FLAGS_POLARITY 0x3
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#define INTENTRY_FLAGS_POLARITY_CONFORM 0x0
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#define INTENTRY_FLAGS_POLARITY_ACTIVEHI 0x1
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#define INTENTRY_FLAGS_POLARITY_ACTIVELO 0x3
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#define INTENTRY_FLAGS_TRIGGER 0xc
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#define INTENTRY_FLAGS_TRIGGER_CONFORM 0x0
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#define INTENTRY_FLAGS_TRIGGER_EDGE 0x4
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#define INTENTRY_FLAGS_TRIGGER_LEVEL 0xc
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/* descriptions of MP basetable entries */
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typedef struct BASETABLE_ENTRY {
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u_char type;
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u_char length;
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char name[16];
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} basetable_entry;
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int mptable_pci_probe_table(int bus);
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int mptable_pci_route_interrupt(device_t pcib, device_t dev, int pin);
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#endif /* !__MACHINE_MPTABLE_H__ */
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