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authorBrian King <brking@linux.vnet.ibm.com>2008-07-24 04:29:16 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-25 15:44:42 +1000
commit86630a32320f83736c4c24e2c8bae218e4c56c7c (patch)
tree3fee9905e0edde44bb0137b66c46215110061ad6 /include/asm-powerpc
parente46de429cb954d30a5642fba81d516ede518c65e (diff)
powerpc/pseries: Utilities to set firmware page state
Newer versions of firmware support page states, which are used by the collaborative memory manager (future patch) to "loan" pages to the hypervisor for use by other partitions. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com> Acked-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'include/asm-powerpc')
-rw-r--r--include/asm-powerpc/hvcall.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-powerpc/hvcall.h b/include/asm-powerpc/hvcall.h
index 46e76456cbb..fbe2932fa9e 100644
--- a/include/asm-powerpc/hvcall.h
+++ b/include/asm-powerpc/hvcall.h
@@ -92,6 +92,11 @@
#define H_EXACT (1UL<<(63-24)) /* Use exact PTE or return H_PTEG_FULL */
#define H_R_XLATE (1UL<<(63-25)) /* include a valid logical page num in the pte if the valid bit is set */
#define H_READ_4 (1UL<<(63-26)) /* Return 4 PTEs */
+#define H_PAGE_STATE_CHANGE (1UL<<(63-28))
+#define H_PAGE_UNUSED ((1UL<<(63-29)) | (1UL<<(63-30)))
+#define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
+#define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
+#define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
#define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */
#define H_ANDCOND (1UL<<(63-33))
#define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */