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authorK. Y. Srinivasan <kys@microsoft.com>2015-01-10 10:54:32 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-01-25 20:17:57 +0300
commit4061ed9e2aaac31daef44f06e9b83143c78b24b2 (patch)
tree26043c2e194e4e796fdbcbf95770aa7f74172a68 /arch/x86/include/uapi/asm
parentab3de22bb4a3d4bda2d0ec8bebcb76a40f1cbf9b (diff)
downloadlinux-4061ed9e2aaac31daef44f06e9b83143c78b24b2.tar.xz
Drivers: hv: vmbus: Implement a clockevent device
Implement a clockevent device based on the timer support available on Hyper-V. In this version of the patch I have addressed Jason's review comments. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reviewed-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/include/uapi/asm')
-rw-r--r--arch/x86/include/uapi/asm/hyperv.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h
index 462efe746d77..90c458e66e13 100644
--- a/arch/x86/include/uapi/asm/hyperv.h
+++ b/arch/x86/include/uapi/asm/hyperv.h
@@ -187,6 +187,17 @@
#define HV_X64_MSR_SINT14 0x4000009E
#define HV_X64_MSR_SINT15 0x4000009F
+/*
+ * Synthetic Timer MSRs. Four timers per vcpu.
+ */
+#define HV_X64_MSR_STIMER0_CONFIG 0x400000B0
+#define HV_X64_MSR_STIMER0_COUNT 0x400000B1
+#define HV_X64_MSR_STIMER1_CONFIG 0x400000B2
+#define HV_X64_MSR_STIMER1_COUNT 0x400000B3
+#define HV_X64_MSR_STIMER2_CONFIG 0x400000B4
+#define HV_X64_MSR_STIMER2_COUNT 0x400000B5
+#define HV_X64_MSR_STIMER3_CONFIG 0x400000B6
+#define HV_X64_MSR_STIMER3_COUNT 0x400000B7
#define HV_X64_MSR_HYPERCALL_ENABLE 0x00000001
#define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT 12