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| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-09-11 18:06:15 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-09-11 18:06:15 +0200 |
| commit | 17a81bdb4ee441bcbf09ec76f530197c3788d610 (patch) | |
| tree | 9385f7487c54d8d5f730da6b2f8b0d64730977dc /Documentation/virt | |
| parent | 95c065400a127291f05ab8a9e72ba65fbcda2335 (diff) | |
| parent | 81cb736c0c928444e2f4707513c167d5d39844a4 (diff) | |
Merge tag 'kvm-s390-next-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
* More selftests
* Improved KVM_S390_MEM_OP ioctl input checking
* Add kvm_valid_regs and kvm_dirty_regs invalid bit checking
Diffstat (limited to 'Documentation/virt')
| -rw-r--r-- | Documentation/virt/kvm/api.txt | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/Documentation/virt/kvm/api.txt b/Documentation/virt/kvm/api.txt index b3368cb27e9b..136f1eef3712 100644 --- a/Documentation/virt/kvm/api.txt +++ b/Documentation/virt/kvm/api.txt @@ -3092,12 +3092,14 @@ This exception is also raised directly at the corresponding VCPU if the flag KVM_S390_MEMOP_F_INJECT_EXCEPTION is set in the "flags" field. The start address of the memory region has to be specified in the "gaddr" -field, and the length of the region in the "size" field. "buf" is the buffer -supplied by the userspace application where the read data should be written -to for KVM_S390_MEMOP_LOGICAL_READ, or where the data that should be written -is stored for a KVM_S390_MEMOP_LOGICAL_WRITE. "buf" is unused and can be NULL -when KVM_S390_MEMOP_F_CHECK_ONLY is specified. "ar" designates the access -register number to be used. +field, and the length of the region in the "size" field (which must not +be 0). The maximum value for "size" can be obtained by checking the +KVM_CAP_S390_MEM_OP capability. "buf" is the buffer supplied by the +userspace application where the read data should be written to for +KVM_S390_MEMOP_LOGICAL_READ, or where the data that should be written is +stored for a KVM_S390_MEMOP_LOGICAL_WRITE. When KVM_S390_MEMOP_F_CHECK_ONLY +is specified, "buf" is unused and can be NULL. "ar" designates the access +register number to be used; the valid range is 0..15. The "reserved" field is meant for future extensions. It is not used by KVM with the currently defined set of flags. |