mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-22 02:37:15 +00:00
127 lines
4 KiB
C
127 lines
4 KiB
C
/*-
|
|
* Copyright (c) 2013, 2014 Robin Randhawa
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 _MACHINE_PSCI_H_
|
|
#define _MACHINE_PSCI_H_
|
|
|
|
#include <sys/types.h>
|
|
#include <dev/psci/smccc.h>
|
|
|
|
#ifdef _KERNEL
|
|
typedef int (*psci_initfn_t)(device_t dev, int default_version);
|
|
typedef int (*psci_callfn_t)(register_t, register_t, register_t, register_t,
|
|
register_t, register_t, register_t, register_t,
|
|
struct arm_smccc_res *res);
|
|
|
|
extern bool psci_present;
|
|
|
|
int psci_cpu_on(unsigned long, unsigned long, unsigned long);
|
|
void psci_reset(void);
|
|
int32_t psci_features(uint32_t);
|
|
int psci_get_version(void);
|
|
|
|
/* Handler to let us call into the PSCI/SMCCC firmware */
|
|
extern psci_callfn_t psci_callfn;
|
|
static inline int
|
|
psci_call(register_t a, register_t b, register_t c, register_t d)
|
|
{
|
|
|
|
return (psci_callfn(a, b, c, d, 0, 0, 0, 0, NULL));
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* PSCI return codes.
|
|
*/
|
|
#define PSCI_RETVAL_SUCCESS 0
|
|
#define PSCI_RETVAL_NOT_SUPPORTED -1
|
|
#define PSCI_RETVAL_INVALID_PARAMS -2
|
|
#define PSCI_RETVAL_DENIED -3
|
|
#define PSCI_RETVAL_ALREADY_ON -4
|
|
#define PSCI_RETVAL_ON_PENDING -5
|
|
#define PSCI_RETVAL_INTERNAL_FAILURE -6
|
|
#define PSCI_RETVAL_NOT_PRESENT -7
|
|
#define PSCI_RETVAL_DISABLED -8
|
|
/*
|
|
* Used to signal PSCI is not available, e.g. to start a CPU.
|
|
*/
|
|
#define PSCI_MISSING 1
|
|
|
|
/*
|
|
* PSCI function codes (as per PSCI v0.2).
|
|
*/
|
|
#ifdef __aarch64__
|
|
#define PSCI_FNID_VERSION 0x84000000
|
|
#define PSCI_FNID_CPU_SUSPEND 0xc4000001
|
|
#define PSCI_FNID_CPU_OFF 0x84000002
|
|
#define PSCI_FNID_CPU_ON 0xc4000003
|
|
#define PSCI_FNID_AFFINITY_INFO 0xc4000004
|
|
#define PSCI_FNID_MIGRATE 0xc4000005
|
|
#define PSCI_FNID_MIGRATE_INFO_TYPE 0x84000006
|
|
#define PSCI_FNID_MIGRATE_INFO_UP_CPU 0xc4000007
|
|
#define PSCI_FNID_SYSTEM_OFF 0x84000008
|
|
#define PSCI_FNID_SYSTEM_RESET 0x84000009
|
|
#define PSCI_FNID_FEATURES 0x8400000a
|
|
#else
|
|
#define PSCI_FNID_VERSION 0x84000000
|
|
#define PSCI_FNID_CPU_SUSPEND 0x84000001
|
|
#define PSCI_FNID_CPU_OFF 0x84000002
|
|
#define PSCI_FNID_CPU_ON 0x84000003
|
|
#define PSCI_FNID_AFFINITY_INFO 0x84000004
|
|
#define PSCI_FNID_MIGRATE 0x84000005
|
|
#define PSCI_FNID_MIGRATE_INFO_TYPE 0x84000006
|
|
#define PSCI_FNID_MIGRATE_INFO_UP_CPU 0x84000007
|
|
#define PSCI_FNID_SYSTEM_OFF 0x84000008
|
|
#define PSCI_FNID_SYSTEM_RESET 0x84000009
|
|
#define PSCI_FNID_FEATURES 0x8400000a
|
|
#endif
|
|
|
|
#define PSCI_VER_MAJOR(v) (((v) >> 16) & 0xFF)
|
|
#define PSCI_VER_MINOR(v) ((v) & 0xFF)
|
|
#define PSCI_VER(maj, min) (((maj) << 16) | (min))
|
|
|
|
#define PSCI_AFFINITY_INFO_ON 0
|
|
#define PSCI_AFFINITY_INFO_OFF 1
|
|
#define PSCI_AFFINITY_INFO_ON_PENDING 2
|
|
|
|
#ifdef _KERNEL
|
|
enum psci_fn {
|
|
PSCI_FN_VERSION,
|
|
PSCI_FN_CPU_SUSPEND,
|
|
PSCI_FN_CPU_OFF,
|
|
PSCI_FN_CPU_ON,
|
|
PSCI_FN_AFFINITY_INFO,
|
|
PSCI_FN_MIGRATE,
|
|
PSCI_FN_MIGRATE_INFO_TYPE,
|
|
PSCI_FN_MIGRATE_INFO_UP_CPU,
|
|
PSCI_FN_SYSTEM_OFF,
|
|
PSCI_FN_SYSTEM_RESET,
|
|
PSCI_FN_MAX
|
|
};
|
|
#endif
|
|
|
|
#endif /* _MACHINE_PSCI_H_ */
|