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#ifndef _ASM_IA64_SAL_H

#define _ASM_IA64_SAL_H

/*

 * System Abstraction Layer definitions.

 *

 * This is based on version 2.5 of the manual "IA-64 System

 * Abstraction Layer".

 *

 * Copyright (C) 2001 Intel

 * Copyright (C) 2002 Jenna Hall <jenna.s.hall@intel.com>

 * Copyright (C) 2001 Fred Lewis <frederick.v.lewis@intel.com>

 * Copyright (C) 1998, 1999, 2001, 2003 Hewlett-Packard Co

 *      David Mosberger-Tang <davidm@hpl.hp.com>

 * Copyright (C) 1999 Srinivasa Prasad Thirumalachar <sprasad@sprasad.engr.sgi.com>

 *

 * 02/01/04 J. Hall Updated Error Record Structures to conform to July 2001

 *                  revision of the SAL spec.

 * 01/01/03 fvlewis Updated Error Record Structures to conform with Nov. 2000

 *                  revision of the SAL spec.

 * 99/09/29 davidm      Updated for SAL 2.6.

 * 00/03/29 cfleck      Updated SAL Error Logging info for processor (SAL 2.6)

 *                      (plus examples of platform error info structures from smariset @ Intel)

 */

#define IA64_SAL_PLATFORM_FEATURE_BUS_LOCK_BIT          0

#define IA64_SAL_PLATFORM_FEATURE_IRQ_REDIR_HINT_BIT    1

#define IA64_SAL_PLATFORM_FEATURE_IPI_REDIR_HINT_BIT    2

#define IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT_BIT         3

#define IA64_SAL_PLATFORM_FEATURE_BUS_LOCK        (1<<IA64_SAL_PLATFORM_FEATURE_BUS_LOCK_BIT)

#define IA64_SAL_PLATFORM_FEATURE_IRQ_REDIR_HINT (1<<IA64_SAL_PLATFORM_FEATURE_IRQ_REDIR_HINT_BIT)

#define IA64_SAL_PLATFORM_FEATURE_IPI_REDIR_HINT (1<<IA64_SAL_PLATFORM_FEATURE_IPI_REDIR_HINT_BIT)

#define IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT       (1<<IA64_SAL_PLATFORM_FEATURE_ITC_DRIFT_BIT)

#ifndef __ASSEMBLY__

#include <linux/spinlock.h>

#include <linux/efi.h>

#include <asm/pal.h>

#include <asm/system.h>

#include <asm/fpu.h>

extern spinlock_t sal_lock;

/* SAL spec _requires_ eight args for each call. */

#define __SAL_CALL(result,a0,a1,a2,a3,a4,a5,a6,a7)      \

        result = (*ia64_sal)(a0,a1,a2,a3,a4,a5,a6,a7)

# define SAL_CALL(result,args...) do {                          \

        unsigned long __ia64_sc_flags;                          \

        struct ia64_fpreg __ia64_sc_fr[6];                      \

        ia64_save_scratch_fpregs(__ia64_sc_fr);                 \

        spin_lock_irqsave(&sal_lock, __ia64_sc_flags);          \

        __SAL_CALL(result, args);                               \

        spin_unlock_irqrestore(&sal_lock, __ia64_sc_flags);     \

        ia64_load_scratch_fpregs(__ia64_sc_fr);                 \

} while (0)

# define SAL_CALL_NOLOCK(result,args...) do {           \

        unsigned long __ia64_scn_flags;                 \

        struct ia64_fpreg __ia64_scn_fr[6];             \

        ia64_save_scratch_fpregs(__ia64_scn_fr);        \

        local_irq_save(__ia64_scn_flags);               \

        __SAL_CALL(result, args);                       \

        local_irq_restore(__ia64_scn_flags);            \

        ia64_load_scratch_fpregs(__ia64_scn_fr);        \

} while (0)

# define SAL_CALL_REENTRANT(result,args...) do {        \

        struct ia64_fpreg __ia64_scs_fr[6];             \

        ia64_save_scratch_fpregs(__ia64_scs_fr);        \

        __SAL_CALL(result, args);                       \

        ia64_load_scratch_fpregs(__ia64_scs_fr);        \

} while (0)

#define SAL_SET_VECTORS                 0x01000000

#define SAL_GET_STATE_INFO              0x01000001

#define SAL_GET_STATE_INFO_SIZE         0x01000002

#define SAL_CLEAR_STATE_INFO            0x01000003

#define SAL_MC_RENDEZ                   0x01000004

#define SAL_MC_SET_PARAMS               0x01000005

#define SAL_REGISTER_PHYSICAL_ADDR      0x01000006

#define SAL_CACHE_FLUSH                 0x01000008

#define SAL_CACHE_INIT                  0x01000009

#define SAL_PCI_CONFIG_READ             0x01000010

#define SAL_PCI_CONFIG_WRITE            0x01000011

#define SAL_FREQ_BASE                   0x01000012

#define SAL_UPDATE_PAL                  0x01000020

struct ia64_sal_retval {

        /*

         * A zero status value indicates call completed without error.

         * A negative status value indicates reason of call failure.

         * A positive status value indicates success but an

         * informational value should be printed (e.g., "reboot for

         * change to take effect").

         */

        s64 status;

        u64 v0;

        u64 v1;

        u64 v2;

};

typedef struct ia64_sal_retval (*ia64_sal_handler) (u64, ...);

enum {

        SAL_FREQ_BASE_PLATFORM = 0,

        SAL_FREQ_BASE_INTERVAL_TIMER = 1,

        SAL_FREQ_BASE_REALTIME_CLOCK = 2

};

/*

 * The SAL system table is followed by a variable number of variable

 * length descriptors.  The structure of these descriptors follows

 * below.

 * The defininition follows SAL specs from July 2000

 */

struct ia64_sal_systab {

        u8 signature[4];        /* should be "SST_" */

        u32 size;               /* size of this table in bytes */

        u8 sal_rev_minor;

        u8 sal_rev_major;

        u16 entry_count;        /* # of entries in variable portion */

        u8 checksum;

        u8 reserved1[7];

        u8 sal_a_rev_minor;

        u8 sal_a_rev_major;

        u8 sal_b_rev_minor;

        u8 sal_b_rev_major;

        /* oem_id & product_id: terminating NUL is missing if string is exactly 32 bytes long. */

        u8 oem_id[32];

        u8 product_id[32];      /* ASCII product id  */

        u8 reserved2[8];

};

enum sal_systab_entry_type {

        SAL_DESC_ENTRY_POINT = 0,

        SAL_DESC_MEMORY = 1,

        SAL_DESC_PLATFORM_FEATURE = 2,

        SAL_DESC_TR = 3,

        SAL_DESC_PTC = 4,

        SAL_DESC_AP_WAKEUP = 5

};

/*

 * Entry type:  Size:

 *      0        48

 *      1       32

 *      2       16

 *      3       32

 *      4       16

 *      5       16

 */

#define SAL_DESC_SIZE(type)     "\060\040\020\040\020\020"[(unsigned) type]

typedef struct ia64_sal_desc_entry_point {

        u8 type;

        u8 reserved1[7];

        u64 pal_proc;

        u64 sal_proc;

        u64 gp;

        u8 reserved2[16];

}ia64_sal_desc_entry_point_t;

typedef struct ia64_sal_desc_memory {

        u8 type;

        u8 used_by_sal; /* needs to be mapped for SAL? */

        u8 mem_attr;            /* current memory attribute setting */

        u8 access_rights;       /* access rights set up by SAL */

        u8 mem_attr_mask;       /* mask of supported memory attributes */

        u8 reserved1;

        u8 mem_type;            /* memory type */

        u8 mem_usage;           /* memory usage */

        u64 addr;               /* physical address of memory */

        u32 length;     /* length (multiple of 4KB pages) */

        u32 reserved2;

        u8 oem_reserved[8];

} ia64_sal_desc_memory_t;

typedef struct ia64_sal_desc_platform_feature {

        u8 type;

        u8 feature_mask;

        u8 reserved1[14];

} ia64_sal_desc_platform_feature_t;

typedef struct ia64_sal_desc_tr {

        u8 type;

        u8 tr_type;             /* 0 == instruction, 1 == data */

        u8 regnum;              /* translation register number */

        u8 reserved1[5];

        u64 addr;               /* virtual address of area covered */

        u64 page_size;          /* encoded page size */

        u8 reserved2[8];

} ia64_sal_desc_tr_t;

typedef struct ia64_sal_desc_ptc {

        u8 type;

        u8 reserved1[3];

        u32 num_domains;        /* # of coherence domains */

        u64 domain_info;        /* physical address of domain info table */

} ia64_sal_desc_ptc_t;

typedef struct ia64_sal_ptc_domain_info {

        u64 proc_count;         /* number of processors in domain */

        u64 proc_list;          /* physical address of LID array */

} ia64_sal_ptc_domain_info_t;

typedef struct ia64_sal_ptc_domain_proc_entry {

        u64 id  : 8;            /* id of processor */

        u64 eid : 8;            /* eid of processor */

} ia64_sal_ptc_domain_proc_entry_t;

#define IA64_SAL_AP_EXTERNAL_INT 0

typedef struct ia64_sal_desc_ap_wakeup {

        u8 type;

        u8 mechanism;           /* 0 == external interrupt */

        u8 reserved1[6];

        u64 vector;             /* interrupt vector in range 0x10-0xff */

} ia64_sal_desc_ap_wakeup_t ;

extern ia64_sal_handler ia64_sal;

extern struct ia64_sal_desc_ptc *ia64_ptc_domain_info;

extern const char *ia64_sal_strerror (long status);

extern void ia64_sal_init (struct ia64_sal_systab *sal_systab);

/* SAL information type encodings */

enum {

        SAL_INFO_TYPE_MCA  = 0,          /* Machine check abort information */

        SAL_INFO_TYPE_INIT = 1,         /* Init information */

        SAL_INFO_TYPE_CMC  = 2,         /* Corrected machine check information */

        SAL_INFO_TYPE_CPE  = 3          /* Corrected platform error information */

};

/* Encodings for machine check parameter types */

enum {

        SAL_MC_PARAM_RENDEZ_INT    = 1, /* Rendezvous interrupt */

        SAL_MC_PARAM_RENDEZ_WAKEUP = 2, /* Wakeup */

        SAL_MC_PARAM_CPE_INT       = 3  /* Corrected Platform Error Int */

};

/* Encodings for rendezvous mechanisms */

enum {

        SAL_MC_PARAM_MECHANISM_INT = 1, /* Use interrupt */

        SAL_MC_PARAM_MECHANISM_MEM = 2  /* Use memory synchronization variable*/

};

/* Encodings for vectors which can be registered by the OS with SAL */

enum {

        SAL_VECTOR_OS_MCA         = 0,

        SAL_VECTOR_OS_INIT        = 1,

        SAL_VECTOR_OS_BOOT_RENDEZ = 2

};

/* Encodings for mca_opt parameter sent to SAL_MC_SET_PARAMS */

#define SAL_MC_PARAM_RZ_ALWAYS          0x1

#define SAL_MC_PARAM_BINIT_ESCALATE     0x10

/*

 * Definition of the SAL Error Log from the SAL spec

 */

/* SAL Error Record Section GUID Definitions */

#define SAL_PROC_DEV_ERR_SECT_GUID  \

    EFI_GUID(0xe429faf1, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81)

#define SAL_PLAT_MEM_DEV_ERR_SECT_GUID  \

    EFI_GUID(0xe429faf2, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81)

#define SAL_PLAT_SEL_DEV_ERR_SECT_GUID  \

    EFI_GUID(0xe429faf3, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81)

#define SAL_PLAT_PCI_BUS_ERR_SECT_GUID  \

    EFI_GUID(0xe429faf4, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81)

#define SAL_PLAT_SMBIOS_DEV_ERR_SECT_GUID  \

    EFI_GUID(0xe429faf5, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81)

#define SAL_PLAT_PCI_COMP_ERR_SECT_GUID  \

    EFI_GUID(0xe429faf6, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81)

#define SAL_PLAT_SPECIFIC_ERR_SECT_GUID  \

    EFI_GUID(0xe429faf7, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81)

#define SAL_PLAT_HOST_CTLR_ERR_SECT_GUID  \

    EFI_GUID(0xe429faf8, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81)

#define SAL_PLAT_BUS_ERR_SECT_GUID  \

    EFI_GUID(0xe429faf9, 0x3cb7, 0x11d4, 0xbc, 0xa7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81)

#define MAX_CACHE_ERRORS        6

#define MAX_TLB_ERRORS          6

#define MAX_BUS_ERRORS          1

/* Definition of version  according to SAL spec for logging purposes */

typedef struct sal_log_revision {

        u8 minor;               /* BCD (0..99) */

        u8 major;               /* BCD (0..99) */

} sal_log_revision_t;

/* Definition of timestamp according to SAL spec for logging purposes */

typedef struct sal_log_timestamp {

        u8 slh_second;          /* Second (0..59) */

        u8 slh_minute;          /* Minute (0..59) */

        u8 slh_hour;            /* Hour (0..23) */

        u8 slh_reserved;

        u8 slh_day;             /* Day (1..31) */

        u8 slh_month;           /* Month (1..12) */

        u8 slh_year;            /* Year (00..99) */

        u8 slh_century;         /* Century (19, 20, 21, ...) */

} sal_log_timestamp_t;

/* Definition of log record  header structures */

typedef struct sal_log_record_header {

        u64 id;                         /* Unique monotonically increasing ID */

        sal_log_revision_t revision;    /* Major and Minor revision of header */

        u16 severity;                   /* Error Severity */

        u32 len;                        /* Length of this error log in bytes */

        sal_log_timestamp_t timestamp;  /* Timestamp */

        efi_guid_t platform_guid;       /* Unique OEM Platform ID */

} sal_log_record_header_t;

/* Definition of log section header structures */

typedef struct sal_log_sec_header {

    efi_guid_t guid;                    /* Unique Section ID */

    sal_log_revision_t revision;        /* Major and Minor revision of Section */

    u16 reserved;

    u32 len;                            /* Section length */

} sal_log_section_hdr_t;

typedef struct sal_log_mod_error_info {

        struct {

                u64 check_info              : 1,

                    requestor_identifier    : 1,

                    responder_identifier    : 1,

                    target_identifier       : 1,

                    precise_ip              : 1,

                    reserved                : 59;

        } valid;

        u64 check_info;

        u64 requestor_identifier;

        u64 responder_identifier;

        u64 target_identifier;

        u64 precise_ip;

} sal_log_mod_error_info_t;

typedef struct sal_processor_static_info {

        struct {

                u64 minstate        : 1,

                    br              : 1,

                    cr              : 1,

                    ar              : 1,

                    rr              : 1,

                    fr              : 1,

                    reserved        : 58;

        } valid;

        pal_min_state_area_t min_state_area;

        u64 br[8];

        u64 cr[128];

        u64 ar[128];

        u64 rr[8];

        struct ia64_fpreg fr[128];

} sal_processor_static_info_t;

struct sal_cpuid_info {

        u64 regs[5];

        u64 reserved;

};

typedef struct sal_log_processor_info {

        sal_log_section_hdr_t header;

        struct {

                u64 proc_error_map      : 1,

                    proc_state_param    : 1,

                    proc_cr_lid         : 1,

                    psi_static_struct   : 1,

                    num_cache_check     : 4,

                    num_tlb_check       : 4,

                    num_bus_check       : 4,

                    num_reg_file_check  : 4,

                    num_ms_check        : 4,

                    cpuid_info          : 1,

                    reserved1           : 39;

        } valid;

        u64 proc_error_map;

        u64 proc_state_parameter;

        u64 proc_cr_lid;

        /*

         * The rest of this structure consists of variable-length arrays, which can't be

         * expressed in C.

         */

        sal_log_mod_error_info_t info[0];

        /*

         * This is what the rest looked like if C supported variable-length arrays:

         *

         * sal_log_mod_error_info_t cache_check_info[.valid.num_cache_check];

         * sal_log_mod_error_info_t tlb_check_info[.valid.num_tlb_check];

         * sal_log_mod_error_info_t bus_check_info[.valid.num_bus_check];

         * sal_log_mod_error_info_t reg_file_check_info[.valid.num_reg_file_check];

         * sal_log_mod_error_info_t ms_check_info[.valid.num_ms_check];

         * struct sal_cpuid_info cpuid_info;

         * sal_processor_static_info_t processor_static_info;

         */

} sal_log_processor_info_t;

/* Given a sal_log_processor_info_t pointer, return a pointer to the processor_static_info: */

#define SAL_LPI_PSI_INFO(l)                                                                     \

({      sal_log_processor_info_t *_l = (l);                                                     \

        ((sal_processor_static_info_t *)                                                        \

         ((char *) _l->info + ((_l->valid.num_cache_check + _l->valid.num_tlb_check             \

                                + _l->valid.num_bus_check + _l->valid.num_reg_file_check        \

                                + _l->valid.num_ms_check) * sizeof(sal_log_mod_error_info_t)    \

                               + sizeof(struct sal_cpuid_info))));                              \

})

/* platform error log structures */

typedef struct sal_log_mem_dev_err_info {

        sal_log_section_hdr_t header;

        struct {

                u64 error_status    : 1,

                    physical_addr   : 1,

                    addr_mask       : 1,

                    node            : 1,

                    card            : 1,

                    module          : 1,

                    bank            : 1,

                    device          : 1,

                    row             : 1,

                    column          : 1,

                    bit_position    : 1,

                    requestor_id    : 1,

                    responder_id    : 1,

                    target_id       : 1,

                    bus_spec_data   : 1,

                    oem_id          : 1,

                    oem_data        : 1,

                    reserved        : 47;

        } valid;

        u64 error_status;

        u64 physical_addr;

        u64 addr_mask;

        u16 node;

        u16 card;

        u16 module;

        u16 bank;

        u16 device;

        u16 row;

        u16 column;

        u16 bit_position;

        u64 requestor_id;

        u64 responder_id;

        u64 target_id;

        u64 bus_spec_data;

        u8 oem_id[16];

        u8 oem_data[1];                 /* Variable length data */

} sal_log_mem_dev_err_info_t;

typedef struct sal_log_sel_dev_err_info {

        sal_log_section_hdr_t header;

        struct {

                u64 record_id       : 1,

                    record_type     : 1,

                    generator_id    : 1,

                    evm_rev         : 1,

                    sensor_type     : 1,

                    sensor_num      : 1,

                    event_dir       : 1,

                    event_data1     : 1,

                    event_data2     : 1,

                    event_data3     : 1,

                    reserved        : 54;

        } valid;

        u16 record_id;

        u8 record_type;

        u8 timestamp[4];

        u16 generator_id;

        u8 evm_rev;

        u8 sensor_type;

        u8 sensor_num;

        u8 event_dir;

        u8 event_data1;

        u8 event_data2;

        u8 event_data3;

} sal_log_sel_dev_err_info_t;

typedef struct sal_log_pci_bus_err_info {

        sal_log_section_hdr_t header;

        struct {

                u64 err_status      : 1,

                    err_type        : 1,

                    bus_id          : 1,

                    bus_address     : 1,

                    bus_data        : 1,

                    bus_cmd         : 1,

                    requestor_id    : 1,

                    responder_id    : 1,

                    target_id       : 1,

                    oem_data        : 1,

                    reserved        : 54;

        } valid;

        u64 err_status;

        u16 err_type;

        u16 bus_id;

        u32 reserved;

        u64 bus_address;

        u64 bus_data;

        u64 bus_cmd;

        u64 requestor_id;

        u64 responder_id;

        u64 target_id;

        u8 oem_data[1];                 /* Variable length data */

} sal_log_pci_bus_err_info_t;

typedef struct sal_log_smbios_dev_err_info {

        sal_log_section_hdr_t header;

        struct {

                u64 event_type      : 1,

                    length          : 1,

                    time_stamp      : 1,

                    data            : 1,

                    reserved1       : 60;

        } valid;

        u8 event_type;

        u8 length;

        u8 time_stamp[6];

        u8 data[1];                     /* data of variable length, length == slsmb_length */

} sal_log_smbios_dev_err_info_t;

typedef struct sal_log_pci_comp_err_info {

        sal_log_section_hdr_t header;

        struct {

                u64 err_status      : 1,

                    comp_info       : 1,

                    num_mem_regs    : 1,

                    num_io_regs     : 1,

                    reg_data_pairs  : 1,

                    oem_data        : 1,

                    reserved        : 58;

        } valid;

        u64 err_status;

        struct {

                u16 vendor_id;

                u16 device_id;

                u8 class_code[3];

                u8 func_num;

                u8 dev_num;

                u8 bus_num;

                u8 seg_num;

                u8 reserved[5];

        } comp_info;

        u32 num_mem_regs;

        u32 num_io_regs;

        u64 reg_data_pairs[1];

        /*

         * array of address/data register pairs is num_mem_regs + num_io_regs elements

         * long.  Each array element consists of a u64 address followed by a u64 data

         * value.  The oem_data array immediately follows the reg_data_pairs array

         */

        u8 oem_data[1];                 /* Variable length data */

} sal_log_pci_comp_err_info_t;

typedef struct sal_log_plat_specific_err_info {

        sal_log_section_hdr_t header;

        struct {

                u64 err_status      : 1,

                    guid            : 1,

                    oem_data        : 1,

                    reserved        : 61;

        } valid;

        u64 err_status;

        efi_guid_t guid;

        u8 oem_data[1];                 /* platform specific variable length data */

} sal_log_plat_specific_err_info_t;

typedef struct sal_log_host_ctlr_err_info {

        sal_log_section_hdr_t header;

        struct {

                u64 err_status      : 1,

                    requestor_id    : 1,

                    responder_id    : 1,

                    target_id       : 1,

                    bus_spec_data   : 1,

                    oem_data        : 1,

                    reserved        : 58;

        } valid;

        u64 err_status;

        u64 requestor_id;

        u64 responder_id;

        u64 target_id;

        u64 bus_spec_data;

        u8 oem_data[1];                 /* Variable length OEM data */

} sal_log_host_ctlr_err_info_t;

typedef struct sal_log_plat_bus_err_info {

        sal_log_section_hdr_t header;

        struct {

                u64 err_status      : 1,

                    requestor_id    : 1,

                    responder_id    : 1,

                    target_id       : 1,

                    bus_spec_data   : 1,

                    oem_data        : 1,

                    reserved        : 58;

        } valid;

        u64 err_status;

        u64 requestor_id;

        u64 responder_id;

        u64 target_id;

        u64 bus_spec_data;

        u8 oem_data[1];                 /* Variable length OEM data */

} sal_log_plat_bus_err_info_t;

/* Overall platform error section structure */

typedef union sal_log_platform_err_info {

        sal_log_mem_dev_err_info_t mem_dev_err;

        sal_log_sel_dev_err_info_t sel_dev_err;

        sal_log_pci_bus_err_info_t pci_bus_err;

        sal_log_smbios_dev_err_info_t smbios_dev_err;

        sal_log_pci_comp_err_info_t pci_comp_err;

        sal_log_plat_specific_err_info_t plat_specific_err;

        sal_log_host_ctlr_err_info_t host_ctlr_err;

        sal_log_plat_bus_err_info_t plat_bus_err;

} sal_log_platform_err_info_t;

/* SAL log over-all, multi-section error record structure (processor+platform) */

typedef struct err_rec {

        sal_log_record_header_t sal_elog_header;

        sal_log_processor_info_t proc_err;

        sal_log_platform_err_info_t plat_err;

        u8 oem_data_pad[1024];

} ia64_err_rec_t;

/*

 * Now define a couple of inline functions for improved type checking

 * and convenience.

 */

static inline long

ia64_sal_freq_base (unsigned long which, unsigned long *ticks_per_second,

                    unsigned long *drift_info)

{

        struct ia64_sal_retval isrv;

        SAL_CALL(isrv, SAL_FREQ_BASE, which, 0, 0, 0, 0, 0, 0);

        *ticks_per_second = isrv.v0;

        *drift_info = isrv.v1;

        return isrv.status;

}

/* Flush all the processor and platform level instruction and/or data caches */

static inline s64

ia64_sal_cache_flush (u64 cache_type)

{

        struct ia64_sal_retval isrv;

        SAL_CALL(isrv, SAL_CACHE_FLUSH, cache_type, 0, 0, 0, 0, 0, 0);

        return isrv.status;

}

/* Initialize all the processor and platform level instruction and data caches */

static inline s64

ia64_sal_cache_init (void)

{

        struct ia64_sal_retval isrv;

        SAL_CALL(isrv, SAL_CACHE_INIT, 0, 0, 0, 0, 0, 0, 0);

        return isrv.status;

}

/*

 * Clear the processor and platform information logged by SAL with respect to the machine

 * state at the time of MCA's, INITs, CMCs, or CPEs.

 */

static inline s64

ia64_sal_clear_state_info (u64 sal_info_type)

{

        struct ia64_sal_retval isrv;

        SAL_CALL_REENTRANT(isrv, SAL_CLEAR_STATE_INFO, sal_info_type, 0,

                      0, 0, 0, 0, 0);

        return isrv.status;

}

/* Get the processor and platform information logged by SAL with respect to the machine

 * state at the time of the MCAs, INITs, CMCs, or CPEs.

 */

static inline u64

ia64_sal_get_state_info (u64 sal_info_type, u64 *sal_info)

{

        struct ia64_sal_retval isrv;

        SAL_CALL_REENTRANT(isrv, SAL_GET_STATE_INFO, sal_info_type, 0,

                      sal_info, 0, 0, 0, 0);

        if (isrv.status)

                return 0;

        return isrv.v0;

}

/*

 * Get the maximum size of the information logged by SAL with respect to the machine state

 * at the time of MCAs, INITs, CMCs, or CPEs.

 */

static inline u64

ia64_sal_get_state_info_size (u64 sal_info_type)

{

        struct ia64_sal_retval isrv;

        SAL_CALL_REENTRANT(isrv, SAL_GET_STATE_INFO_SIZE, sal_info_type, 0,

                      0, 0, 0, 0, 0);

        if (isrv.status)

                return 0;

        return isrv.v0;

}

/*

 * Causes the processor to go into a spin loop within SAL where SAL awaits a wakeup from

 * the monarch processor.  Must not lock, because it will not return on any cpu until the

 * monarch processor sends a wake up.