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Subject[PATCH v5 01/12] KVM: add comments for kvm_debug_exit_arch struct
Date
Bring into line with the comments for the other structures and their
KVM_EXIT_* cases. Also update api.txt to reflect use in kvm_run
documentation.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>

---

v2
- add comments for other exit types
v3
- s/commentary/comments/
- add rb tags
- update api.txt kvm_run to include KVM_EXIT_DEBUG desc
v4
- sp fixes
- add a-b
---
Documentation/virtual/kvm/api.txt | 4 +++-
include/uapi/linux/kvm.h | 3 +++
2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index 9fa2bf8..c34c32d 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -3070,11 +3070,13 @@ data_offset describes where the data is located (KVM_EXIT_IO_OUT) or
where kvm expects application code to place the data for the next
KVM_RUN invocation (KVM_EXIT_IO_IN). Data format is a packed array.

+ /* KVM_EXIT_DEBUG */
struct {
struct kvm_debug_exit_arch arch;
} debug;

-Unused.
+If the exit_reason is KVM_EXIT_DEBUG, then a vcpu is processing a debug event
+for which architecture specific information is returned.

/* KVM_EXIT_MMIO */
struct {
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 4b60056..70ac641 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -237,6 +237,7 @@ struct kvm_run {
__u32 count;
__u64 data_offset; /* relative to kvm_run start */
} io;
+ /* KVM_EXIT_DEBUG */
struct {
struct kvm_debug_exit_arch arch;
} debug;
@@ -285,6 +286,7 @@ struct kvm_run {
__u32 data;
__u8 is_write;
} dcr;
+ /* KVM_EXIT_INTERNAL_ERROR */
struct {
__u32 suberror;
/* Available with KVM_CAP_INTERNAL_ERROR_DATA: */
@@ -295,6 +297,7 @@ struct kvm_run {
struct {
__u64 gprs[32];
} osi;
+ /* KVM_EXIT_PAPR_HCALL */
struct {
__u64 nr;
__u64 ret;
--
2.4.1


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