diff options
| author | Sven Schnelle <svens@linux.ibm.com> | 2022-10-05 10:17:41 +0200 |
|---|---|---|
| committer | Alexander Gordeev <agordeev@linux.ibm.com> | 2022-12-06 16:18:22 +0100 |
| commit | e2d2a2968f2abe1b8215fd99bfc68d6284d51ac2 (patch) | |
| tree | 3530bc7d41f8b6018ed4af8ae75c8438f7929fd4 /arch/s390/include | |
| parent | 87fd22e0ae9239f695266d3181b53ad9f758bd74 (diff) | |
s390/ipl: add eckd dump support
This adds support to use ECKD disks as dump device
to linux. The new dump type is called 'eckd_dump', parameters
are the same as for eckd ipl.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Diffstat (limited to 'arch/s390/include')
| -rw-r--r-- | arch/s390/include/asm/ipl.h | 2 | ||||
| -rw-r--r-- | arch/s390/include/uapi/asm/ipl.h | 1 |
2 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h index 1396ed05c6aa..b0d00032479d 100644 --- a/arch/s390/include/asm/ipl.h +++ b/arch/s390/include/asm/ipl.h @@ -74,6 +74,7 @@ enum ipl_type { IPL_TYPE_NVME = 32, IPL_TYPE_NVME_DUMP = 64, IPL_TYPE_ECKD = 128, + IPL_TYPE_ECKD_DUMP = 256, }; struct ipl_info @@ -108,6 +109,7 @@ extern void set_os_info_reipl_block(void); static inline bool is_ipl_type_dump(void) { return (ipl_info.type == IPL_TYPE_FCP_DUMP) || + (ipl_info.type == IPL_TYPE_ECKD_DUMP) || (ipl_info.type == IPL_TYPE_NVME_DUMP); } diff --git a/arch/s390/include/uapi/asm/ipl.h b/arch/s390/include/uapi/asm/ipl.h index 3eb71a594590..2cd28af50dd4 100644 --- a/arch/s390/include/uapi/asm/ipl.h +++ b/arch/s390/include/uapi/asm/ipl.h @@ -138,6 +138,7 @@ struct ipl_pb0_eckd { } __packed; #define IPL_PB0_ECKD_OPT_IPL 0x10 +#define IPL_PB0_ECKD_OPT_DUMP 0x20 #define IPL_PB0_CCW_VM_FLAG_NSS 0x80 #define IPL_PB0_CCW_VM_FLAG_VP 0x40 |