Thread (26 messages) 26 messages, 3 authors, 2021-06-30

[PATCH 01/17] hyperv: Few TLFS definitions

From: Vineeth Pillai <hidden>
Date: 2021-06-02 17:21:14
Also in: lkml
Subsystem: generic include/asm header files, the rest, x86 architecture (32-bit and 64-bit) · Maintainers: Arnd Bergmann, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen

Adding few TLFS definitions which would be used later in
this patch series.

Signed-off-by: Vineeth Pillai <redacted>
---
 arch/x86/include/uapi/asm/hyperv-tlfs.h | 2 ++
 include/asm-generic/hyperv-tlfs.h       | 6 ++++++
 include/uapi/asm-generic/hyperv-tlfs.h  | 1 +
 3 files changed, 9 insertions(+)
diff --git a/arch/x86/include/uapi/asm/hyperv-tlfs.h b/arch/x86/include/uapi/asm/hyperv-tlfs.h
index 4447ef5362e9..3ffd6336da27 100644
--- a/arch/x86/include/uapi/asm/hyperv-tlfs.h
+++ b/arch/x86/include/uapi/asm/hyperv-tlfs.h
@@ -1003,6 +1003,8 @@ enum hv_interrupt_type {
 	HV_X64_INTERRUPT_TYPE_MAXIMUM           = 0x000A
 };
 
+#define HV_INTERRUPT_VECTOR_NONE 0xFFFFFFFF
+
 union hv_interrupt_control {
 	struct {
 		__u32 interrupt_type; /* enum hv_interrupt type */
diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h
index b5e4a5003b63..8f08d0e9163d 100644
--- a/include/asm-generic/hyperv-tlfs.h
+++ b/include/asm-generic/hyperv-tlfs.h
@@ -249,7 +249,13 @@ enum hv_status {
 /* Valid SynIC vectors are 16-255. */
 #define HV_SYNIC_FIRST_VALID_VECTOR	(16)
 
+/* Hyper-V defined statically assigned SINTs */
 #define HV_SYNIC_INTERCEPTION_SINT_INDEX 0x00000000
+#define HV_SYNIC_IOMMU_FAULT_SINT_INDEX  0x00000001
+#define HV_SYNIC_VMBUS_SINT_INDEX        0x00000002
+#define HV_SYNIC_HAL_HV_TIMER_SINT_INDEX 0x00000003
+#define HV_SYNIC_HVL_SHARED_SINT_INDEX   0x00000004
+#define HV_SYNIC_FIRST_UNUSED_SINT_INDEX 0x00000005
 
 #define HV_SYNIC_CONTROL_ENABLE		(1ULL << 0)
 #define HV_SYNIC_SIMP_ENABLE		(1ULL << 0)
diff --git a/include/uapi/asm-generic/hyperv-tlfs.h b/include/uapi/asm-generic/hyperv-tlfs.h
index 95020e3a67ba..388c4eb29212 100644
--- a/include/uapi/asm-generic/hyperv-tlfs.h
+++ b/include/uapi/asm-generic/hyperv-tlfs.h
@@ -10,6 +10,7 @@
 #define HV_MESSAGE_SIZE			(256)
 #define HV_MESSAGE_PAYLOAD_BYTE_COUNT	(240)
 #define HV_MESSAGE_PAYLOAD_QWORD_COUNT	(30)
+#define HV_ANY_VP			(0xFFFFFFFF)
 
 /* Define hypervisor message types. */
 enum hv_message_type {
-- 
2.25.1
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