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-rw-r--r--common/psci/psci_private.h166
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diff --git a/common/psci/psci_private.h b/common/psci/psci_private.h
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--- a/common/psci/psci_private.h
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-/*
- * Copyright (c) 2013-2014, ARM Limited and Contributors. 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.
- *
- * Neither the name of ARM nor the names of its contributors may be used
- * to endorse or promote products derived from this software without specific
- * prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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 __PSCI_PRIVATE_H__
-#define __PSCI_PRIVATE_H__
-
-#include <arch.h>
-#include <bakery_lock.h>
-
-#ifndef __ASSEMBLY__
-/*******************************************************************************
- * The following two data structures hold the generic information to bringup
- * a suspended/hotplugged out cpu
- ******************************************************************************/
-typedef struct {
- unsigned long entrypoint;
- unsigned long spsr;
-} eret_params;
-
-typedef struct {
- eret_params eret_info;
- unsigned long context_id;
- unsigned int scr;
- unsigned int sctlr;
-} ns_entry_info;
-
-/*******************************************************************************
- * The following two data structures hold the topology tree which in turn tracks
- * the state of the all the affinity instances supported by the platform.
- ******************************************************************************/
-typedef struct {
- unsigned long mpidr;
- unsigned short ref_count;
- unsigned char state;
- unsigned char level;
- unsigned int data;
- bakery_lock lock;
-} aff_map_node;
-
-typedef struct {
- int min;
- int max;
-} aff_limits_node;
-
-/*******************************************************************************
- * This data structure holds secure world context that needs to be preserved
- * across cpu_suspend calls which enter the power down state.
- ******************************************************************************/
-typedef struct {
- /* Align the suspend level to allow per-cpu lockless access */
- int suspend_level
- __attribute__((__aligned__(CACHE_WRITEBACK_GRANULE)));
-} suspend_context;
-
-typedef aff_map_node (*mpidr_aff_map_nodes[MPIDR_MAX_AFFLVL]);
-typedef unsigned int (*afflvl_power_on_finisher)(unsigned long,
- aff_map_node *);
-
-/*******************************************************************************
- * Data prototypes
- ******************************************************************************/
-extern suspend_context psci_suspend_context[PSCI_NUM_AFFS];
-extern ns_entry_info psci_ns_entry_info[PSCI_NUM_AFFS];
-extern unsigned int psci_ns_einfo_idx;
-extern aff_limits_node psci_aff_limits[MPIDR_MAX_AFFLVL + 1];
-extern plat_pm_ops *psci_plat_pm_ops;
-extern aff_map_node psci_aff_map[PSCI_NUM_AFFS];
-extern afflvl_power_on_finisher psci_afflvl_off_finish_handlers[];
-extern afflvl_power_on_finisher psci_afflvl_sus_finish_handlers[];
-
-/*******************************************************************************
- * Function prototypes
- ******************************************************************************/
-/* Private exported functions from psci_common.c */
-extern int get_max_afflvl(void);
-extern unsigned short psci_get_state(aff_map_node *node);
-extern unsigned short psci_get_phys_state(aff_map_node *node);
-extern void psci_set_state(aff_map_node *node, unsigned short state);
-extern void psci_get_ns_entry_info(unsigned int index);
-extern unsigned long mpidr_set_aff_inst(unsigned long, unsigned char, int);
-extern int psci_validate_mpidr(unsigned long, int);
-extern int get_power_on_target_afflvl(unsigned long mpidr);
-extern void psci_afflvl_power_on_finish(unsigned long,
- int,
- int,
- afflvl_power_on_finisher *);
-extern int psci_set_ns_entry_info(unsigned int index,
- unsigned long entrypoint,
- unsigned long context_id);
-extern int psci_check_afflvl_range(int start_afflvl, int end_afflvl);
-extern void psci_acquire_afflvl_locks(unsigned long mpidr,
- int start_afflvl,
- int end_afflvl,
- mpidr_aff_map_nodes mpidr_nodes);
-extern void psci_release_afflvl_locks(unsigned long mpidr,
- int start_afflvl,
- int end_afflvl,
- mpidr_aff_map_nodes mpidr_nodes);
-
-/* Private exported functions from psci_setup.c */
-extern int psci_get_aff_map_nodes(unsigned long mpidr,
- int start_afflvl,
- int end_afflvl,
- mpidr_aff_map_nodes mpidr_nodes);
-extern aff_map_node *psci_get_aff_map_node(unsigned long, int);
-
-/* Private exported functions from psci_affinity_on.c */
-extern int psci_afflvl_on(unsigned long,
- unsigned long,
- unsigned long,
- int,
- int);
-
-/* Private exported functions from psci_affinity_off.c */
-extern int psci_afflvl_off(unsigned long, int, int);
-
-/* Private exported functions from psci_affinity_suspend.c */
-extern void psci_set_suspend_afflvl(aff_map_node *node, int afflvl);
-extern int psci_get_suspend_afflvl(aff_map_node *node);
-extern int psci_afflvl_suspend(unsigned long,
- unsigned long,
- unsigned long,
- unsigned int,
- int,
- int);
-extern unsigned int psci_afflvl_suspend_finish(unsigned long, int, int);
-
-/* Private exported functions from psci_main.c */
-extern uint64_t psci_smc_handler(uint32_t smc_fid,
- uint64_t x1,
- uint64_t x2,
- uint64_t x3,
- uint64_t x4,
- void *cookie,
- void *handle,
- uint64_t flags);
-#endif /*__ASSEMBLY__*/
-
-#endif /* __PSCI_PRIVATE_H__ */