diff options
| author | Vineeth Vijayan <vneethv@linux.ibm.com> | 2020-10-08 15:13:28 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-11-16 08:14:37 -0700 |
| commit | 4cd6094d9d609f73694783553df72572e302a5e9 (patch) | |
| tree | 7e2e780ede0f98b238bf9772d18631460f47d0e6 /arch/s390/include/asm/cio.h | |
| parent | 8b8b0915ba8daef9b4320d6dc75a2ec14e1fe2df (diff) | |
s390/cio: Provide Endpoint-Security Mode per CU
Add an interface in the CIO layer to retrieve the information about the
Endpoint-Security Mode (ESM) of the specified CU. The ESM values are
defined as 0-None, 1-Authenticated or 2, 3-Encrypted.
[vneethv@linux.ibm.com: cleaned-up and modified description]
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Stefan Haberland <sth@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Acked-by: Vasily Gorbik <gor@linux.ibm.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'arch/s390/include/asm/cio.h')
| -rw-r--r-- | arch/s390/include/asm/cio.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h index 5c58756d6476..e36cb67d2441 100644 --- a/arch/s390/include/asm/cio.h +++ b/arch/s390/include/asm/cio.h @@ -373,5 +373,6 @@ int chsc_sstpc(void *page, unsigned int op, u16 ctrl, u64 *clock_delta); int chsc_sstpi(void *page, void *result, size_t size); int chsc_stzi(void *page, void *result, size_t size); int chsc_sgib(u32 origin); +int chsc_scud(u16 cu, u64 *esm, u8 *esm_valid); #endif |