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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-26 21:50:56 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-26 21:50:56 +0400 |
| commit | f8d613e2a665bf1be9628a3c3f9bafe7599b32c0 (patch) | |
| tree | 98d4da8d0e1a5fb1d9064626b4b96d95ccf26375 /include/xen | |
| parent | 8a0599dd2471f2a2e409498c08a0ab339057ad06 (diff) | |
| parent | 5bc20fc59706214d9591c11e1938a629d3538c12 (diff) | |
| download | linux-f8d613e2a665bf1be9628a3c3f9bafe7599b32c0.tar.xz | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/djm/tmem
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/djm/tmem:
xen: cleancache shim to Xen Transcendent Memory
ocfs2: add cleancache support
ext4: add cleancache support
btrfs: add cleancache support
ext3: add cleancache support
mm/fs: add hooks to support cleancache
mm: cleancache core ops functions and config
fs: add field to superblock to support cleancache
mm/fs: cleancache documentation
Fix up trivial conflict in fs/btrfs/extent_io.c due to includes
Diffstat (limited to 'include/xen')
| -rw-r--r-- | include/xen/interface/xen.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h index b33257bc7e83..70213b4515eb 100644 --- a/include/xen/interface/xen.h +++ b/include/xen/interface/xen.h @@ -58,6 +58,7 @@ #define __HYPERVISOR_event_channel_op 32 #define __HYPERVISOR_physdev_op 33 #define __HYPERVISOR_hvm_op 34 +#define __HYPERVISOR_tmem_op 38 /* Architecture-specific hypercall definitions. */ #define __HYPERVISOR_arch_0 48 @@ -461,6 +462,27 @@ typedef uint8_t xen_domain_handle_t[16]; #define __mk_unsigned_long(x) x ## UL #define mk_unsigned_long(x) __mk_unsigned_long(x) +#define TMEM_SPEC_VERSION 1 + +struct tmem_op { + uint32_t cmd; + int32_t pool_id; + union { + struct { /* for cmd == TMEM_NEW_POOL */ + uint64_t uuid[2]; + uint32_t flags; + } new; + struct { + uint64_t oid[3]; + uint32_t index; + uint32_t tmem_offset; + uint32_t pfn_offset; + uint32_t len; + GUEST_HANDLE(void) gmfn; /* guest machine page frame */ + } gen; + } u; +}; + #else /* __ASSEMBLY__ */ /* In assembly code we cannot use C numeric constant suffixes. */ |