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| author | Wei Liu <wei.liu@kernel.org> | 2021-02-03 16:04:28 +0100 |
|---|---|---|
| committer | Wei Liu <wei.liu@kernel.org> | 2021-02-11 09:47:06 +0100 |
| commit | 86b5ec3552f3c09694e6f7934834b0a2a3aeebbe (patch) | |
| tree | a96fd59a9cde7371e95825f70a3f4c8c334fad76 /arch/x86/include/asm/mshyperv.h | |
| parent | ACPI / NUMA: add a stub function for node_to_pxm() (diff) | |
| download | linux-86b5ec3552f3c09694e6f7934834b0a2a3aeebbe.tar.xz linux-86b5ec3552f3c09694e6f7934834b0a2a3aeebbe.zip | |
x86/hyperv: provide a bunch of helper functions
They are used to deposit pages into Microsoft Hypervisor and bring up
logical and virtual processors.
Signed-off-by: Lillian Grassin-Drake <ligrassi@microsoft.com>
Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com>
Signed-off-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Co-Developed-by: Lillian Grassin-Drake <ligrassi@microsoft.com>
Co-Developed-by: Sunil Muthuswamy <sunilmut@microsoft.com>
Co-Developed-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20210203150435.27941-10-wei.liu@kernel.org
Diffstat (limited to 'arch/x86/include/asm/mshyperv.h')
| -rw-r--r-- | arch/x86/include/asm/mshyperv.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h index b8324202d850..f9119781f2bb 100644 --- a/arch/x86/include/asm/mshyperv.h +++ b/arch/x86/include/asm/mshyperv.h @@ -82,6 +82,10 @@ extern void __percpu **hyperv_pcpu_output_arg; extern u64 hv_current_partition_id; +int hv_call_deposit_pages(int node, u64 partition_id, u32 num_pages); +int hv_call_add_logical_proc(int node, u32 lp_index, u32 acpi_id); +int hv_call_create_vp(int node, u64 partition_id, u32 vp_index, u32 flags); + static inline u64 hv_do_hypercall(u64 control, void *input, void *output) { u64 input_address = input ? virt_to_phys(input) : 0; |