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| author | Bharata B Rao <bharata@linux.ibm.com> | 2019-11-25 08:36:29 +0530 |
|---|---|---|
| committer | Paul Mackerras <paulus@ozlabs.org> | 2019-11-28 17:02:26 +1100 |
| commit | c32622575dd0ecb6fd0b41e3a451bd58152971ba (patch) | |
| tree | 04a7a119504357baa2d9d5e0409b6bf5789fdd91 /arch/powerpc/include/asm/ultravisor.h | |
| parent | 008e359c76d85facb10d10fa21fd5bc8c3a4e5d6 (diff) | |
| download | linux-c32622575dd0ecb6fd0b41e3a451bd58152971ba.tar.bz2 | |
KVM: PPC: Book3S HV: Handle memory plug/unplug to secure VM
Register the new memslot with UV during plug and unregister
the memslot during unplug. In addition, release all the
device pages during unplug.
Signed-off-by: Bharata B Rao <bharata@linux.ibm.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/powerpc/include/asm/ultravisor.h')
| -rw-r--r-- | arch/powerpc/include/asm/ultravisor.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/ultravisor.h b/arch/powerpc/include/asm/ultravisor.h index 40cc8bace654..b8e59b7b4ac8 100644 --- a/arch/powerpc/include/asm/ultravisor.h +++ b/arch/powerpc/include/asm/ultravisor.h @@ -67,6 +67,11 @@ static inline int uv_register_mem_slot(u64 lpid, u64 start_gpa, u64 size, size, flags, slotid); } +static inline int uv_unregister_mem_slot(u64 lpid, u64 slotid) +{ + return ucall_norets(UV_UNREGISTER_MEM_SLOT, lpid, slotid); +} + static inline int uv_page_inval(u64 lpid, u64 gpa, u64 page_shift) { return ucall_norets(UV_PAGE_INVAL, lpid, gpa, page_shift); |