voyager.h

linux 内核源代码

#	define PSI_CURRENT		0x10
#	define PSI_DVM			0x20
#	define PSI_PSCFAULT		0x40
#	define PSI_STAT_CHG		0x80

#define VOYAGER_PSI_SUPPLY_REG		0x8000
	/* read */
#	define PSI_FAIL_DC		0x01
#	define PSI_FAIL_AC		0x02
#	define PSI_MON_INT		0x04
#	define PSI_SWITCH_OFF		0x08
#	define PSI_HX_OFF		0x10
#	define PSI_SECURITY		0x20
#	define PSI_CMOS_BATT_LOW	0x40
#	define PSI_CMOS_BATT_FAIL	0x80
	/* write */
#	define PSI_CLR_SWITCH_OFF	0x13
#	define PSI_CLR_HX_OFF		0x14
#	define PSI_CLR_CMOS_BATT_FAIL	0x17

#define VOYAGER_PSI_MASK		0x8001
#	define PSI_MASK_MASK		0x10

#define VOYAGER_PSI_AC_FAIL_REG		0x8004
#define	AC_FAIL_STAT_CHANGE		0x80

#define VOYAGER_PSI_GENERAL_REG		0x8007
	/* read */
#	define PSI_SWITCH_ON		0x01
#	define PSI_SWITCH_ENABLED	0x02
#	define PSI_ALARM_ENABLED	0x08
#	define PSI_SECURE_ENABLED	0x10
#	define PSI_COLD_RESET		0x20
#	define PSI_COLD_START		0x80
	/* write */
#	define PSI_POWER_DOWN		0x10
#	define PSI_SWITCH_DISABLE	0x01
#	define PSI_SWITCH_ENABLE	0x11
#	define PSI_CLEAR		0x12
#	define PSI_ALARM_DISABLE	0x03
#	define PSI_ALARM_ENABLE		0x13
#	define PSI_CLEAR_COLD_RESET	0x05
#	define PSI_SET_COLD_RESET	0x15
#	define PSI_CLEAR_COLD_START	0x07
#	define PSI_SET_COLD_START	0x17



struct voyager_bios_info {
	__u8	len;
	__u8	major;
	__u8	minor;
	__u8	debug;
	__u8	num_classes;
	__u8	class_1;
	__u8	class_2;
};

/* The following structures and definitions are for the Kernel/SUS
 * interface these are needed to find out how SUS initialised any Quad
 * boards in the system */

#define	NUMBER_OF_MC_BUSSES	2
#define SLOTS_PER_MC_BUS	8
#define MAX_CPUS                16      /* 16 way CPU system */
#define MAX_PROCESSOR_BOARDS	4	/* 4 processor slot system */
#define MAX_CACHE_LEVELS	4	/* # of cache levels supported */
#define MAX_SHARED_CPUS		4	/* # of CPUs that can share a LARC */
#define NUMBER_OF_POS_REGS	8

typedef struct {
	__u8	MC_Slot;
	__u8	POS_Values[NUMBER_OF_POS_REGS];
} __attribute__((packed)) MC_SlotInformation_t;

struct QuadDescription {
	__u8  Type;	/* for type 0 (DYADIC or MONADIC) all fields
                         * will be zero except for slot */
	__u8 StructureVersion;
	__u32 CPI_BaseAddress;
	__u32  LARC_BankSize;
	__u32 LocalMemoryStateBits;
	__u8  Slot; /* Processor slots 1 - 4 */
} __attribute__((packed));

struct ProcBoardInfo { 
	__u8 Type;
	__u8 StructureVersion;
	__u8 NumberOfBoards;
	struct QuadDescription QuadData[MAX_PROCESSOR_BOARDS];
} __attribute__((packed));

struct CacheDescription {
	__u8 Level;
	__u32 TotalSize;
	__u16 LineSize;
	__u8  Associativity;
	__u8  CacheType;
	__u8  WriteType;
	__u8  Number_CPUs_SharedBy;
	__u8  Shared_CPUs_Hardware_IDs[MAX_SHARED_CPUS];

} __attribute__((packed));

struct CPU_Description {
	__u8 CPU_HardwareId;
	char *FRU_String;
	__u8 NumberOfCacheLevels;
	struct CacheDescription CacheLevelData[MAX_CACHE_LEVELS];
} __attribute__((packed));

struct CPU_Info {
	__u8 Type;
	__u8 StructureVersion;
	__u8 NumberOf_CPUs;
	struct CPU_Description CPU_Data[MAX_CPUS];
} __attribute__((packed));


/*
 * This structure will be used by SUS and the OS.
 * The assumption about this structure is that no blank space is
 * packed in it by our friend the compiler.
 */
typedef struct {
	__u8	Mailbox_SUS;		/* Written to by SUS to give commands/response to the OS */
	__u8	Mailbox_OS;		/* Written to by the OS to give commands/response to SUS */
	__u8	SUS_MailboxVersion;	/* Tells the OS which iteration of the interface SUS supports */
	__u8	OS_MailboxVersion;	/* Tells SUS which iteration of the interface the OS supports */
	__u32	OS_Flags;		/* Flags set by the OS as info for SUS */
	__u32	SUS_Flags;		/* Flags set by SUS as info for the OS */
	__u32	WatchDogPeriod;		/* Watchdog period (in seconds) which the DP uses to see if the OS is dead */
	__u32	WatchDogCount;		/* Updated by the OS on every tic. */
	__u32	MemoryFor_SUS_ErrorLog;	/* Flat 32 bit address which tells SUS where to stuff the SUS error log on a dump */
	MC_SlotInformation_t  MC_SlotInfo[NUMBER_OF_MC_BUSSES*SLOTS_PER_MC_BUS];	/* Storage for MCA POS data */
	/* All new SECOND_PASS_INTERFACE fields added from this point */
        struct ProcBoardInfo    *BoardData;
        struct CPU_Info         *CPU_Data;
	/* All new fields must be added from this point */
} Voyager_KernelSUS_Mbox_t;

/* structure for finding the right memory address to send a QIC CPI to */
struct voyager_qic_cpi {
	/* Each cache line (32 bytes) can trigger a cpi.  The cpi
	 * read/write may occur anywhere in the cache line---pick the
	 * middle to be safe */
	struct  {
		__u32 pad1[3];
		__u32 cpi;
		__u32 pad2[4];
	} qic_cpi[8];
};

struct voyager_status {
	__u32	power_fail:1;
	__u32	switch_off:1;
	__u32	request_from_kernel:1;
};

struct voyager_psi_regs {
	__u8 cat_id;
	__u8 cat_dev;
	__u8 cat_control;
	__u8 subaddr;
	__u8 dummy4;
	__u8 checkbit;
	__u8 subaddr_low;
	__u8 subaddr_high;
	__u8 intstatus;
	__u8 stat1;
	__u8 stat3;
	__u8 fault;
	__u8 tms;
	__u8 gen;
	__u8 sysconf;
	__u8 dummy15;
};

struct voyager_psi_subregs {
	__u8 supply;
	__u8 mask;
	__u8 present;
	__u8 DCfail;
	__u8 ACfail;
	__u8 fail;
	__u8 UPSfail;
	__u8 genstatus;
};

struct voyager_psi {
	struct voyager_psi_regs regs;
	struct voyager_psi_subregs subregs;
};

struct voyager_SUS {
#define	VOYAGER_DUMP_BUTTON_NMI		0x1
#define VOYAGER_SUS_VALID		0x2
#define VOYAGER_SYSINT_COMPLETE		0x3
	__u8	SUS_mbox;
#define VOYAGER_NO_COMMAND		0x0
#define VOYAGER_IGNORE_DUMP		0x1
#define VOYAGER_DO_DUMP			0x2
#define VOYAGER_SYSINT_HANDSHAKE	0x3
#define VOYAGER_DO_MEM_DUMP		0x4
#define VOYAGER_SYSINT_WAS_RECOVERED	0x5
	__u8	kernel_mbox;
#define	VOYAGER_MAILBOX_VERSION		0x10
	__u8	SUS_version;
	__u8	kernel_version;
#define VOYAGER_OS_HAS_SYSINT		0x1
#define VOYAGER_OS_IN_PROGRESS		0x2
#define VOYAGER_UPDATING_WDPERIOD	0x4
	__u32	kernel_flags;
#define VOYAGER_SUS_BOOTING		0x1
#define VOYAGER_SUS_IN_PROGRESS		0x2
	__u32	SUS_flags;
	__u32	watchdog_period;
	__u32	watchdog_count;
	__u32	SUS_errorlog;
	/* lots of system configuration stuff under here */
};
	
/* Variables exported by voyager_smp */
extern __u32 voyager_extended_vic_processors;
extern __u32 voyager_allowed_boot_processors;
extern __u32 voyager_quad_processors;
extern struct voyager_qic_cpi *voyager_quad_cpi_addr[NR_CPUS];
extern struct voyager_SUS *voyager_SUS;

/* variables exported always */
extern struct task_struct *voyager_thread;
extern int voyager_level;
extern struct voyager_status voyager_status;

/* functions exported by the voyager and voyager_smp modules */
extern int voyager_cat_readb(__u8 module, __u8 asic, int reg);
extern void voyager_cat_init(void);
extern void voyager_detect(struct voyager_bios_info *);
extern void voyager_trap_init(void);
extern void voyager_setup_irqs(void);
extern int voyager_memory_detect(int region, __u32 *addr, __u32 *length);
extern void voyager_smp_intr_init(void);
extern __u8 voyager_extended_cmos_read(__u16 cmos_address);
extern void voyager_smp_dump(void);
extern void voyager_timer_interrupt(void);
extern void smp_local_timer_interrupt(void);
extern void voyager_power_off(void);
extern void smp_voyager_power_off(void *dummy);
extern void voyager_restart(void);
extern void voyager_cat_power_off(void);
extern void voyager_cat_do_common_interrupt(void);
extern void voyager_handle_nmi(void);
/* Commands for the following are */
#define	VOYAGER_PSI_READ	0
#define VOYAGER_PSI_WRITE	1
#define VOYAGER_PSI_SUBREAD	2
#define VOYAGER_PSI_SUBWRITE	3
extern void voyager_cat_psi(__u8, __u16, __u8 *);