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/*
* Copyright (c) 2011-2012 IBM Corporation. All rights reserved.
* Copyright (c) 2016 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2017 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*/
/** @file
*
* Cross Memory Attach syscall definitions.
*
* These are only needed temporarily until these new syscalls
* are incorporated into glibc
*/
#ifndef OPAL_SYS_CMA_H
#define OPAL_SYS_CMA_H 1
#if !defined(OPAL_ASSEMBLY_ARCH)
/* need opal_config.h for the assembly architecture */
#include "opal_config.h"
#endif
#include "opal/sys/architecture.h"
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
#include <sys/unistd.h>
#endif
#ifdef __linux__
/* Cross Memory Attach is so far only supported under linux */
#if OPAL_ASSEMBLY_ARCH == OPAL_X86_64
#define __NR_process_vm_readv 310
#define __NR_process_vm_writev 311
#elif OPAL_ASSEMBLY_ARCH == OPAL_IA32
#define __NR_process_vm_readv 347
#define __NR_process_vm_writev 348
#elif OPAL_ASSEMBLY_ARCH == OPAL_IA64
#define __NR_process_vm_readv 1332
#define __NR_process_vm_writev 1333
#elif OPAL_ASSEMBLY_ARCH == OPAL_POWERPC32
#define __NR_process_vm_readv 351
#define __NR_process_vm_writev 352
#elif OPAL_ASSEMBLY_ARCH == OPAL_POWERPC64
#define __NR_process_vm_readv 351
#define __NR_process_vm_writev 352
#elif OPAL_ASSEMBLY_ARCH == OPAL_ARM
#define __NR_process_vm_readv 376
#define __NR_process_vm_writev 377
#elif OPAL_ASSEMBLY_ARCH == OPAL_ARM64
/* ARM64 uses the asm-generic syscall numbers */
#define __NR_process_vm_readv 270
#define __NR_process_vm_writev 271
#elif OPAL_ASSEMBLY_ARCH == OPAL_MIPS
#if _MIPS_SIM == _MIPS_SIM_ABI64
#define __NR_process_vm_readv 5304
#define __NR_process_vm_writev 5305
#elif _MIPS_SIM == _MIPS_SIM_NABI32
#define __NR_process_vm_readv 6309
#define __NR_process_vm_writev 6310
#else
#error "Unsupported MIPS architecture for process_vm_readv and process_vm_writev syscalls"
#endif
#elif OPAL_ASSEMBLY_ARCH == OPAL_S390
#define __NR_process_vm_readv 340
#define __NR_process_vm_writev 341
#elif OPAL_ASSEMBLY_ARCH == OPAL_S390X
#define __NR_process_vm_readv 340
#define __NR_process_vm_writev 341
#else
#error "Unsupported architecture for process_vm_readv and process_vm_writev syscalls"
#endif
static inline ssize_t
process_vm_readv(pid_t pid,
const struct iovec *lvec,
unsigned long liovcnt,
const struct iovec *rvec,
unsigned long riovcnt,
unsigned long flags)
{
return syscall(__NR_process_vm_readv, pid, lvec, liovcnt, rvec, riovcnt, flags);
}
static inline ssize_t
process_vm_writev(pid_t pid,
const struct iovec *lvec,
unsigned long liovcnt,
const struct iovec *rvec,
unsigned long riovcnt,
unsigned long flags)
{
return syscall(__NR_process_vm_writev, pid, lvec, liovcnt, rvec, riovcnt, flags);
}
#endif /* __linux__ */
#endif /* OPAL_SYS_CMA_H */
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