s390/kernel: add system calls for PCI memory access
authorAlexey Ishchuk <aishchuk@linux.vnet.ibm.com>
Fri, 14 Nov 2014 13:27:58 +0000 (14:27 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 19 Nov 2014 08:46:43 +0000 (09:46 +0100)
commit4eafad7febd482092b331ea72c37274d745956be
tree81df1dd45ee04b56180da2214fae5a3bfe66ea2a
parent86c558e8d3b774580faf8250092388d52cfde63e
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>
arch/s390/include/uapi/asm/unistd.h
arch/s390/kernel/compat_wrapper.c
arch/s390/kernel/entry.h
arch/s390/kernel/syscalls.S
arch/s390/pci/Makefile
arch/s390/pci/pci_mmio.c [new file with mode: 0644]
kernel/sys_ni.c
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