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authorVitaly Kuznetsov <vkuznets@redhat.com>2017-08-02 18:09:20 +0200
committerIngo Molnar <mingo@kernel.org>2017-08-31 14:20:36 +0200
commit628f54cc6451d2706ba8a56763dbf93be02aaa80 (patch)
treeb148e860cbabb844da9e6b9474aae2b47aafb455 /arch/x86/include
parent3e83dfd5d8e374328078f527f1f7d189824896ab (diff)
x86/hyper-v: Support extended CPU ranges for TLB flush hypercalls
Hyper-V hosts may support more than 64 vCPUs, we need to use HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX/LIST_EX hypercalls in this case. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Stephen Hemminger <sthemmin@microsoft.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Jork Loeser <Jork.Loeser@microsoft.com> Cc: K. Y. Srinivasan <kys@microsoft.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Simon Xiao <sixiao@microsoft.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: devel@linuxdriverproject.org Link: http://lkml.kernel.org/r/20170802160921.21791-9-vkuznets@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/uapi/asm/hyperv.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h
index a6fdd3b82b4a..7032f4d8dff3 100644
--- a/arch/x86/include/uapi/asm/hyperv.h
+++ b/arch/x86/include/uapi/asm/hyperv.h
@@ -149,6 +149,9 @@
*/
#define HV_X64_DEPRECATING_AEOI_RECOMMENDED (1 << 9)
+/* Recommend using the newer ExProcessorMasks interface */
+#define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED (1 << 11)
+
/*
* HV_VP_SET available
*/
@@ -245,6 +248,8 @@
#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE 0x0002
#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST 0x0003
#define HVCALL_NOTIFY_LONG_SPIN_WAIT 0x0008
+#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX 0x0013
+#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX 0x0014
#define HVCALL_POST_MESSAGE 0x005c
#define HVCALL_SIGNAL_EVENT 0x005d
@@ -266,6 +271,11 @@
#define HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY BIT(2)
#define HV_FLUSH_USE_EXTENDED_RANGE_FORMAT BIT(3)
+enum HV_GENERIC_SET_FORMAT {
+ HV_GENERIC_SET_SPARCE_4K,
+ HV_GENERIC_SET_ALL,
+};
+
/* hypercall status code */
#define HV_STATUS_SUCCESS 0
#define HV_STATUS_INVALID_HYPERCALL_CODE 2