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Differential D47246

dev/psci: Add a way to query the PSCI method
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Authored by andrew on Oct 22 2024, 5:37 PM.
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arm64
Summary

Some drivers need to know if the instruction needed to call into the
PSCI firmware is a SMC or an HVC instruction. To support this add a new
function that returns the method and rework other parts of the PSCI
code to use this to set the call functions.

Sponsored by: Arm Ltd

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Skipped
Unit
Tests Skipped
Build Status
Buildable 60157
Build 57041: arc lint + arc unit

Revision Contents
Changeset List

PathSize
sys/
dev/
psci/
7 lines
113 lines

Diff 145360

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sys/dev/psci/psci.h

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FILE *funopen(const void *, FILE *funopen(const void *,
int (* _Nullable)(void *, char *, int), int (* _Nullable)(void *, char *, int),
int (* _Nullable)(void *, const char *, int), int (* _Nullable)(void *, const char *, int),
fpos_t (* _Nullable)(void *, fpos_t, int), fpos_t (* _Nullable)(void *, fpos_t, int),
int (* _Nullable)(void *)); int (* _Nullable)(void *));
#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0) #define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0) #define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
#if __BSD_VISIBLE
typedef __ssize_t cookie_read_function_t(void *, char *, size_t); typedef __ssize_t cookie_read_function_t(void *, char *, size_t);
typedef __ssize_t cookie_write_function_t(void *, const char *, size_t); typedef __ssize_t cookie_write_function_t(void *, const char *, size_t);
typedef int cookie_seek_function_t(void *, off64_t *, int); typedef int cookie_seek_function_t(void *, off64_t *, int);
typedef int cookie_close_function_t(void *); typedef int cookie_close_function_t(void *);
typedef struct { typedef struct {
cookie_read_function_t *read; cookie_read_function_t *read;
cookie_write_function_t *write; cookie_write_function_t *write;
cookie_seek_function_t *seek; cookie_seek_function_t *seek;
cookie_close_function_t *close; cookie_close_function_t *close;
} cookie_io_functions_t; } cookie_io_functions_t;
FILE *fopencookie(void *, const char *, cookie_io_functions_t); FILE *fopencookie(void *, const char *, cookie_io_functions_t);
#endif
/* /*
* Portability hacks. See <sys/types.h>. * Portability hacks. See <sys/types.h>.
*/ */
#ifndef _FTRUNCATE_DECLARED #ifndef _FTRUNCATE_DECLARED
#define _FTRUNCATE_DECLARED #define _FTRUNCATE_DECLARED
int ftruncate(int, __off_t); int ftruncate(int, __off_t);
#endif #endif
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sys/dev/psci/psci.c

Show First 20 Lines • Show All 409 Lines • ▼ Show 20 Lines
FILE *funopen(const void *, FILE *funopen(const void *,
int (* _Nullable)(void *, char *, int), int (* _Nullable)(void *, char *, int),
int (* _Nullable)(void *, const char *, int), int (* _Nullable)(void *, const char *, int),
fpos_t (* _Nullable)(void *, fpos_t, int), fpos_t (* _Nullable)(void *, fpos_t, int),
int (* _Nullable)(void *)); int (* _Nullable)(void *));
#define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0) #define fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
#define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0) #define fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
#if __BSD_VISIBLE
typedef __ssize_t cookie_read_function_t(void *, char *, size_t); typedef __ssize_t cookie_read_function_t(void *, char *, size_t);
typedef __ssize_t cookie_write_function_t(void *, const char *, size_t); typedef __ssize_t cookie_write_function_t(void *, const char *, size_t);
typedef int cookie_seek_function_t(void *, off64_t *, int); typedef int cookie_seek_function_t(void *, off64_t *, int);
typedef int cookie_close_function_t(void *); typedef int cookie_close_function_t(void *);
typedef struct { typedef struct {
cookie_read_function_t *read; cookie_read_function_t *read;
cookie_write_function_t *write; cookie_write_function_t *write;
cookie_seek_function_t *seek; cookie_seek_function_t *seek;
cookie_close_function_t *close; cookie_close_function_t *close;
} cookie_io_functions_t; } cookie_io_functions_t;
FILE *fopencookie(void *, const char *, cookie_io_functions_t); FILE *fopencookie(void *, const char *, cookie_io_functions_t);
#endif
/* /*
* Portability hacks. See <sys/types.h>. * Portability hacks. See <sys/types.h>.
*/ */
#ifndef _FTRUNCATE_DECLARED #ifndef _FTRUNCATE_DECLARED
#define _FTRUNCATE_DECLARED #define _FTRUNCATE_DECLARED
int ftruncate(int, __off_t); int ftruncate(int, __off_t);
#endif #endif
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