This new hcall in POWER8 is used to set various resource mode registers.
eg. it can set address translation mode on interrupt (note: partition wide
scope)
Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
#define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000)
#define FW_FEATURE_OPAL ASM_CONST(0x0000000010000000)
#define FW_FEATURE_OPALv2 ASM_CONST(0x0000000020000000)
+#define FW_FEATURE_SET_MODE ASM_CONST(0x0000000040000000)
#ifndef __ASSEMBLY__
FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN |
FW_FEATURE_BULK_REMOVE | FW_FEATURE_XDABR |
FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
- FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO,
+ FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO |
+ FW_FEATURE_SET_MODE,
FW_FEATURE_PSERIES_ALWAYS = 0,
FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_OPALv2,
FW_FEATURE_POWERNV_ALWAYS = 0,
#define H_RANDOM 0x300
#define H_COP 0x304
#define H_GET_MPP_X 0x314
-#define MAX_HCALL_OPCODE H_GET_MPP_X
+#define H_SET_MODE 0x31C
+#define MAX_HCALL_OPCODE H_SET_MODE
#ifndef __ASSEMBLY__
{FW_FEATURE_MULTITCE, "hcall-multi-tce"},
{FW_FEATURE_SPLPAR, "hcall-splpar"},
{FW_FEATURE_VPHN, "hcall-vphn"},
+ {FW_FEATURE_SET_MODE, "hcall-set-mode"},
};
/* Build up the firmware features bitmask using the contents of
lbuf[1]);
}
+/* Set various resource mode parameters */
+static inline long plpar_set_mode(unsigned long mflags, unsigned long resource,
+ unsigned long value1, unsigned long value2)
+{
+ return plpar_hcall_norets(H_SET_MODE, mflags, resource, value1, value2);
+}
#endif /* _PSERIES_PLPAR_WRAPPERS_H */