mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-27 01:30:55 +07:00
55f05ffaa7
Since we only support PCI and ISA legacy busses now there is no need to have an full array with checking. Signed-off-by: Andi Kleen <ak@suse.de>
234 lines
6.5 KiB
C
234 lines
6.5 KiB
C
#ifndef __ASM_MPSPEC_H
|
|
#define __ASM_MPSPEC_H
|
|
|
|
/*
|
|
* Structure definitions for SMP machines following the
|
|
* Intel Multiprocessing Specification 1.1 and 1.4.
|
|
*/
|
|
|
|
/*
|
|
* This tag identifies where the SMP configuration
|
|
* information is.
|
|
*/
|
|
|
|
#define SMP_MAGIC_IDENT (('_'<<24)|('P'<<16)|('M'<<8)|'_')
|
|
|
|
/*
|
|
* A maximum of 255 APICs with the current APIC ID architecture.
|
|
*/
|
|
#define MAX_APICS 255
|
|
|
|
struct intel_mp_floating
|
|
{
|
|
char mpf_signature[4]; /* "_MP_" */
|
|
unsigned int mpf_physptr; /* Configuration table address */
|
|
unsigned char mpf_length; /* Our length (paragraphs) */
|
|
unsigned char mpf_specification;/* Specification version */
|
|
unsigned char mpf_checksum; /* Checksum (makes sum 0) */
|
|
unsigned char mpf_feature1; /* Standard or configuration ? */
|
|
unsigned char mpf_feature2; /* Bit7 set for IMCR|PIC */
|
|
unsigned char mpf_feature3; /* Unused (0) */
|
|
unsigned char mpf_feature4; /* Unused (0) */
|
|
unsigned char mpf_feature5; /* Unused (0) */
|
|
};
|
|
|
|
struct mp_config_table
|
|
{
|
|
char mpc_signature[4];
|
|
#define MPC_SIGNATURE "PCMP"
|
|
unsigned short mpc_length; /* Size of table */
|
|
char mpc_spec; /* 0x01 */
|
|
char mpc_checksum;
|
|
char mpc_oem[8];
|
|
char mpc_productid[12];
|
|
unsigned int mpc_oemptr; /* 0 if not present */
|
|
unsigned short mpc_oemsize; /* 0 if not present */
|
|
unsigned short mpc_oemcount;
|
|
unsigned int mpc_lapic; /* APIC address */
|
|
unsigned int reserved;
|
|
};
|
|
|
|
/* Followed by entries */
|
|
|
|
#define MP_PROCESSOR 0
|
|
#define MP_BUS 1
|
|
#define MP_IOAPIC 2
|
|
#define MP_INTSRC 3
|
|
#define MP_LINTSRC 4
|
|
|
|
struct mpc_config_processor
|
|
{
|
|
unsigned char mpc_type;
|
|
unsigned char mpc_apicid; /* Local APIC number */
|
|
unsigned char mpc_apicver; /* Its versions */
|
|
unsigned char mpc_cpuflag;
|
|
#define CPU_ENABLED 1 /* Processor is available */
|
|
#define CPU_BOOTPROCESSOR 2 /* Processor is the BP */
|
|
unsigned int mpc_cpufeature;
|
|
#define CPU_STEPPING_MASK 0x0F
|
|
#define CPU_MODEL_MASK 0xF0
|
|
#define CPU_FAMILY_MASK 0xF00
|
|
unsigned int mpc_featureflag; /* CPUID feature value */
|
|
unsigned int mpc_reserved[2];
|
|
};
|
|
|
|
struct mpc_config_bus
|
|
{
|
|
unsigned char mpc_type;
|
|
unsigned char mpc_busid;
|
|
unsigned char mpc_bustype[6];
|
|
};
|
|
|
|
/* List of Bus Type string values, Intel MP Spec. */
|
|
#define BUSTYPE_EISA "EISA"
|
|
#define BUSTYPE_ISA "ISA"
|
|
#define BUSTYPE_INTERN "INTERN" /* Internal BUS */
|
|
#define BUSTYPE_MCA "MCA"
|
|
#define BUSTYPE_VL "VL" /* Local bus */
|
|
#define BUSTYPE_PCI "PCI"
|
|
#define BUSTYPE_PCMCIA "PCMCIA"
|
|
#define BUSTYPE_CBUS "CBUS"
|
|
#define BUSTYPE_CBUSII "CBUSII"
|
|
#define BUSTYPE_FUTURE "FUTURE"
|
|
#define BUSTYPE_MBI "MBI"
|
|
#define BUSTYPE_MBII "MBII"
|
|
#define BUSTYPE_MPI "MPI"
|
|
#define BUSTYPE_MPSA "MPSA"
|
|
#define BUSTYPE_NUBUS "NUBUS"
|
|
#define BUSTYPE_TC "TC"
|
|
#define BUSTYPE_VME "VME"
|
|
#define BUSTYPE_XPRESS "XPRESS"
|
|
|
|
struct mpc_config_ioapic
|
|
{
|
|
unsigned char mpc_type;
|
|
unsigned char mpc_apicid;
|
|
unsigned char mpc_apicver;
|
|
unsigned char mpc_flags;
|
|
#define MPC_APIC_USABLE 0x01
|
|
unsigned int mpc_apicaddr;
|
|
};
|
|
|
|
struct mpc_config_intsrc
|
|
{
|
|
unsigned char mpc_type;
|
|
unsigned char mpc_irqtype;
|
|
unsigned short mpc_irqflag;
|
|
unsigned char mpc_srcbus;
|
|
unsigned char mpc_srcbusirq;
|
|
unsigned char mpc_dstapic;
|
|
unsigned char mpc_dstirq;
|
|
};
|
|
|
|
enum mp_irq_source_types {
|
|
mp_INT = 0,
|
|
mp_NMI = 1,
|
|
mp_SMI = 2,
|
|
mp_ExtINT = 3
|
|
};
|
|
|
|
#define MP_IRQDIR_DEFAULT 0
|
|
#define MP_IRQDIR_HIGH 1
|
|
#define MP_IRQDIR_LOW 3
|
|
|
|
|
|
struct mpc_config_lintsrc
|
|
{
|
|
unsigned char mpc_type;
|
|
unsigned char mpc_irqtype;
|
|
unsigned short mpc_irqflag;
|
|
unsigned char mpc_srcbusid;
|
|
unsigned char mpc_srcbusirq;
|
|
unsigned char mpc_destapic;
|
|
#define MP_APIC_ALL 0xFF
|
|
unsigned char mpc_destapiclint;
|
|
};
|
|
|
|
/*
|
|
* Default configurations
|
|
*
|
|
* 1 2 CPU ISA 82489DX
|
|
* 2 2 CPU EISA 82489DX neither IRQ 0 timer nor IRQ 13 DMA chaining
|
|
* 3 2 CPU EISA 82489DX
|
|
* 4 2 CPU MCA 82489DX
|
|
* 5 2 CPU ISA+PCI
|
|
* 6 2 CPU EISA+PCI
|
|
* 7 2 CPU MCA+PCI
|
|
*/
|
|
|
|
#define MAX_MP_BUSSES 256
|
|
/* Each PCI slot may be a combo card with its own bus. 4 IRQ pins per slot. */
|
|
#define MAX_IRQ_SOURCES (MAX_MP_BUSSES * 4)
|
|
extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
|
|
extern int mp_bus_id_to_pci_bus [MAX_MP_BUSSES];
|
|
|
|
extern unsigned int boot_cpu_physical_apicid;
|
|
extern int smp_found_config;
|
|
extern void find_smp_config (void);
|
|
extern void get_smp_config (void);
|
|
extern int nr_ioapics;
|
|
extern unsigned char apic_version [MAX_APICS];
|
|
extern int mp_irq_entries;
|
|
extern struct mpc_config_intsrc mp_irqs [MAX_IRQ_SOURCES];
|
|
extern int mpc_default_type;
|
|
extern unsigned long mp_lapic_addr;
|
|
|
|
#ifdef CONFIG_ACPI
|
|
extern void mp_register_lapic (u8 id, u8 enabled);
|
|
extern void mp_register_lapic_address (u64 address);
|
|
|
|
extern void mp_register_ioapic (u8 id, u32 address, u32 gsi_base);
|
|
extern void mp_override_legacy_irq (u8 bus_irq, u8 polarity, u8 trigger, u32 gsi);
|
|
extern void mp_config_acpi_legacy_irqs (void);
|
|
extern int mp_register_gsi (u32 gsi, int triggering, int polarity);
|
|
#endif
|
|
|
|
extern int using_apic_timer;
|
|
|
|
#define PHYSID_ARRAY_SIZE BITS_TO_LONGS(MAX_APICS)
|
|
|
|
struct physid_mask
|
|
{
|
|
unsigned long mask[PHYSID_ARRAY_SIZE];
|
|
};
|
|
|
|
typedef struct physid_mask physid_mask_t;
|
|
|
|
#define physid_set(physid, map) set_bit(physid, (map).mask)
|
|
#define physid_clear(physid, map) clear_bit(physid, (map).mask)
|
|
#define physid_isset(physid, map) test_bit(physid, (map).mask)
|
|
#define physid_test_and_set(physid, map) test_and_set_bit(physid, (map).mask)
|
|
|
|
#define physids_and(dst, src1, src2) bitmap_and((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
|
|
#define physids_or(dst, src1, src2) bitmap_or((dst).mask, (src1).mask, (src2).mask, MAX_APICS)
|
|
#define physids_clear(map) bitmap_zero((map).mask, MAX_APICS)
|
|
#define physids_complement(dst, src) bitmap_complement((dst).mask, (src).mask, MAX_APICS)
|
|
#define physids_empty(map) bitmap_empty((map).mask, MAX_APICS)
|
|
#define physids_equal(map1, map2) bitmap_equal((map1).mask, (map2).mask, MAX_APICS)
|
|
#define physids_weight(map) bitmap_weight((map).mask, MAX_APICS)
|
|
#define physids_shift_right(d, s, n) bitmap_shift_right((d).mask, (s).mask, n, MAX_APICS)
|
|
#define physids_shift_left(d, s, n) bitmap_shift_left((d).mask, (s).mask, n, MAX_APICS)
|
|
#define physids_coerce(map) ((map).mask[0])
|
|
|
|
#define physids_promote(physids) \
|
|
({ \
|
|
physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
|
|
__physid_mask.mask[0] = physids; \
|
|
__physid_mask; \
|
|
})
|
|
|
|
#define physid_mask_of_physid(physid) \
|
|
({ \
|
|
physid_mask_t __physid_mask = PHYSID_MASK_NONE; \
|
|
physid_set(physid, __physid_mask); \
|
|
__physid_mask; \
|
|
})
|
|
|
|
#define PHYSID_MASK_ALL { {[0 ... PHYSID_ARRAY_SIZE-1] = ~0UL} }
|
|
#define PHYSID_MASK_NONE { {[0 ... PHYSID_ARRAY_SIZE-1] = 0UL} }
|
|
|
|
extern physid_mask_t phys_cpu_present_map;
|
|
|
|
#endif
|
|
|