source: mainline/boot/arch/ia64/include/sal.h@ 48fa501

/*
 * Copyright (c) 2011 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef BOOT_ia64_SAL_H_
#define BOOT_ia64_SAL_H_

#include <arch/types.h>
#include <typedefs.h>

/*
 * Essential SAL procedures' IDs
 */
#define SAL_FREQ_BASE   0x1000012

typedef struct {
        uint8_t signature[4];
        uint32_t total_length;
        uint16_t sal_revision;
        uint16_t entry_count;
        uint8_t checksum;
        uint8_t reserved1[7];
        uint16_t sal_a_version;
        uint16_t sal_b_version;
        uint8_t oem_id[32];
        uint8_t product_id[32];
        uint8_t reserved2[8];
} sal_system_table_header_t;

typedef enum {
        SSTT_ENTRYPOINT_DESC,
        SSTT_MEMORY_DESC,
        SSTT_PLATFORM_FEATURES_DESC,
        SSTT_TR_DESC,
        SSTT_PTC_COHERENCE_DOMAIN_DESC,
        SSTT_AP_WAKEUP_DESC
} sal_sst_type_t;

typedef struct {
        uint8_t type;
        uint8_t reserved1[7];
        uint64_t pal_proc;
        uint64_t sal_proc;
        uint64_t sal_proc_gp;
        uint8_t reserved2[16];
} sal_entrypoint_desc_t;

/* This descriptor is unused on Itanium systems. */
typedef struct {
        uint8_t type;
        uint8_t unused[31];
} sal_memory_desc_t;

typedef struct {
        uint8_t type;
        uint8_t features;
        uint8_t reserved[14];
} sal_platform_features_desc_t;

typedef struct {
        uint8_t type;
        uint8_t tr_type;
        uint8_t tr_number;
        uint8_t reserved1[5];
        uint64_t va;
        uint64_t psc;
        uint8_t reserved2[8];
} sal_tr_desc_t;

typedef struct {
        uint8_t type;
        uint8_t reserved[3];
        uint32_t coherence_domains;
        uint64_t coherence_domain_info;
} sal_ptc_coherence_domain_desc_t;

typedef struct {
        uint8_t type;
        uint8_t mechanism;
        uint8_t reserved[6];
        uint64_t vector;
} sal_ap_wakeup_desc_t;

extern void sal_system_table_parse(sal_system_table_header_t *);

extern uint64_t sal_base_clock_frequency(void);

#define sal_call_1_1(id, arg1, ret1) \
        sal_call((id), (arg1), 0, 0, 0, 0, 0, 0, (ret1), NULL, NULL)

extern uint64_t sal_call(uint64_t, uint64_t, uint64_t, uint64_t, uint64_t,
    uint64_t, uint64_t, uint64_t, uint64_t *, uint64_t *, uint64_t *);

#endif