diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2017-08-02 18:09:20 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-08-31 14:20:36 +0200 |
| commit | 628f54cc6451d2706ba8a56763dbf93be02aaa80 (patch) | |
| tree | b148e860cbabb844da9e6b9474aae2b47aafb455 /arch/x86/include/uapi | |
| parent | Merge branch 'x86/mm' into x86/platform, to pick up TLB flush dependency (diff) | |
| download | linux-628f54cc6451d2706ba8a56763dbf93be02aaa80.tar.xz linux-628f54cc6451d2706ba8a56763dbf93be02aaa80.zip | |
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/uapi')
| -rw-r--r-- | arch/x86/include/uapi/asm/hyperv.h | 10 |
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 |