xref: /netbsd-src/sys/arch/x86/include/mpconfig.h (revision 83fd2fa11c2f23665cf4579fc6c0db852314ce01)
1 /*	$NetBSD: mpconfig.h,v 1.15 2015/04/27 06:51:40 knakahara Exp $	*/
2 
3 /*
4  * Definitions originally from the mpbios code, but now used for ACPI
5  * MP config as well.
6  */
7 
8 #ifndef _X86_MPCONFIG_H_
9 #define _X86_MPCONFIG_H_
10 
11 /*
12  * XXX
13  */
14 #include <sys/bus.h>
15 #include <dev/pci/pcivar.h>
16 #include <machine/pci_machdep.h>
17 
18 /*
19  * Interrupt types
20  */
21 #define MPS_INTTYPE_INT         0
22 #define MPS_INTTYPE_NMI         1
23 #define MPS_INTTYPE_SMI         2
24 #define MPS_INTTYPE_ExtINT      3
25 
26 #define MPS_INTPO_DEF           0
27 #define MPS_INTPO_ACTHI         1
28 #define MPS_INTPO_ACTLO         3
29 
30 #define MPS_INTTR_DEF           0
31 #define MPS_INTTR_EDGE          1
32 #define MPS_INTTR_LEVEL         3
33 
34 #ifndef _LOCORE
35 
36 struct mpbios_int;
37 
38 struct mp_bus
39 {
40 	const char *mb_name;		/* XXX bus name */
41 	int mb_idx;		/* XXX bus index */
42 	void (*mb_intr_print)(int);
43 	void (*mb_intr_cfg)(const struct mpbios_int *, uint32_t *);
44 	struct mp_intr_map *mb_intrs;
45 	uint32_t mb_data;	/* random bus-specific datum. */
46 	device_t mb_dev;	/* has been autoconfigured if mb_dev != NULL */
47 	pcitag_t *mb_pci_bridge_tag;
48 	pci_chipset_tag_t mb_pci_chipset_tag;
49 };
50 
51 struct mp_intr_map
52 {
53 	struct mp_intr_map *next;
54 	struct mp_bus *bus;
55 	/*
56 	 * encoding of bus_pin is mp_bus dependant.
57 	 * for pci, bus_pin = (pci_device_number << 2) | pin
58 	 * where pin is 0=INTA ... 3=INTD.
59 	 */
60 	int bus_pin;
61 	struct pic *ioapic;	/* NULL for local apic */
62 	int ioapic_pin;
63 	intr_handle_t ioapic_ih;	/* int handle, see i82093var.h for encoding */
64 	int type;		/* from mp spec intr record */
65  	int flags;		/* from mp spec intr record */
66 	uint32_t redir;
67 	uint32_t cpu_id;
68 	int global_int;		/* ACPI global interrupt number */
69 	int sflags;		/* other, software flags (see below) */
70 	void *linkdev;
71 	int sourceindex;
72 };
73 
74 #define MPI_OVR		0x0001	/* Was overridden by an ACPI OVR */
75 
76 #if defined(_KERNEL)
77 extern int mp_verbose;
78 extern struct mp_bus *mp_busses;
79 extern struct mp_intr_map *mp_intrs;
80 extern int mp_nintr;
81 extern int mp_isa_bus, mp_eisa_bus;
82 extern int mp_nbus;
83 int mp_pci_scan(device_t, struct pcibus_attach_args *, cfprint_t);
84 void mp_pci_childdetached(device_t, device_t);
85 #endif
86 #endif
87 
88 #endif /* _X86_MPCONFIG_H_ */
89