powerpc/pseries: Add memory entitlement capabilities to /proc/ppc64/lparcfg
Update /proc/ppc64/lparcfg to display Cooperative Memory
Overcommitment statistics as reported by the H_GET_MPP hcall. This
also updates the lparcfg interface to allow setting memory entitlement
and weight.
Signed-off-by: Nathan Fontenot <nfont@austin.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>
diff --git a/include/asm-powerpc/hvcall.h b/include/asm-powerpc/hvcall.h
index bf6cd7c..46e7645 100644
--- a/include/asm-powerpc/hvcall.h
+++ b/include/asm-powerpc/hvcall.h
@@ -210,7 +210,9 @@
#define H_JOIN 0x298
#define H_VASI_STATE 0x2A4
#define H_ENABLE_CRQ 0x2B0
-#define MAX_HCALL_OPCODE H_ENABLE_CRQ
+#define H_SET_MPP 0x2D0
+#define H_GET_MPP 0x2D4
+#define MAX_HCALL_OPCODE H_GET_MPP
#ifndef __ASSEMBLY__
@@ -270,6 +272,20 @@
};
#define HCALL_STAT_ARRAY_SIZE ((MAX_HCALL_OPCODE >> 2) + 1)
+struct hvcall_mpp_data {
+ unsigned long entitled_mem;
+ unsigned long mapped_mem;
+ unsigned short group_num;
+ unsigned short pool_num;
+ unsigned char mem_weight;
+ unsigned char unallocated_mem_weight;
+ unsigned long unallocated_entitlement; /* value in bytes */
+ unsigned long pool_size;
+ signed long loan_request;
+ unsigned long backing_mem;
+};
+
+int h_get_mpp(struct hvcall_mpp_data *);
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_HVCALL_H */