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| author | Alexey Ishchuk <aishchuk@linux.vnet.ibm.com> | 2014-11-14 14:27:58 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-11-19 09:46:43 +0100 |
| commit | 4eafad7febd482092b331ea72c37274d745956be (patch) | |
| tree | 81df1dd45ee04b56180da2214fae5a3bfe66ea2a /arch/s390/kernel/entry.h | |
| parent | s390: fix ptrace of user area if the inferior uses vector registers (diff) | |
| download | linux-4eafad7febd482092b331ea72c37274d745956be.tar.xz linux-4eafad7febd482092b331ea72c37274d745956be.zip | |
s390/kernel: add system calls for PCI memory access
Add the new __NR_s390_pci_mmio_write and __NR_s390_pci_mmio_read
system calls to allow user space applications to access device PCI I/O
memory pages on s390x platform.
[ Martin Schwidefsky: some code beautification ]
Signed-off-by: Alexey Ishchuk <aishchuk@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/entry.h')
| -rw-r--r-- | arch/s390/kernel/entry.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h index 0554b9771c9f..8e61393c8275 100644 --- a/arch/s390/kernel/entry.h +++ b/arch/s390/kernel/entry.h @@ -74,4 +74,6 @@ struct old_sigaction; long sys_s390_personality(unsigned int personality); long sys_s390_runtime_instr(int command, int signum); +long sys_s390_pci_mmio_write(unsigned long, const void __user *, size_t); +long sys_s390_pci_mmio_read(unsigned long, void __user *, size_t); #endif /* _ENTRY_H */ |