@@ -153,7 +153,8 @@
#define OPAL_FLASH_READ 110
#define OPAL_FLASH_WRITE 111
#define OPAL_FLASH_ERASE 112
-#define OPAL_LAST 112
+#define OPAL_NEST_IMA_CONTROL 116
+#define OPAL_LAST 116
/* Device tree flags */
@@ -201,6 +201,8 @@ int64_t opal_flash_write(uint64_t id, uint64_t offset, uint64_t buf,
int64_t opal_flash_erase(uint64_t id, uint64_t offset, uint64_t size,
uint64_t token);
+int64_t opal_nest_ima_control(uint32_t value);
+
/* Internal functions */
extern int early_init_dt_scan_opal(unsigned long node, const char *uname,
int depth, void *data);
@@ -295,3 +295,4 @@ OPAL_CALL(opal_i2c_request, OPAL_I2C_REQUEST);
OPAL_CALL(opal_flash_read, OPAL_FLASH_READ);
OPAL_CALL(opal_flash_write, OPAL_FLASH_WRITE);
OPAL_CALL(opal_flash_erase, OPAL_FLASH_ERASE);
+OPAL_CALL(opal_nest_ima_control, OPAL_NEST_IMA_CONTROL);
Nest Counters can be configured via PORE Engine and OPAL provides an interface to start/stop it. OPAL side patches are posted in the skiboot mailing. Cc: Stewart Smith <stewart@linux.vnet.ibm.com> Cc: Jeremy Kerr <jk@ozlabs.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Paul Mackerras <paulus@samba.org> Cc: Anton Blanchard <anton@samba.org> Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Cc: Anshuman Khandual <khandual@linux.vnet.ibm.com> Cc: Stephane Eranian <eranian@google.com> Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> --- arch/powerpc/include/asm/opal-api.h | 3 ++- arch/powerpc/include/asm/opal.h | 2 ++ arch/powerpc/platforms/powernv/opal-wrappers.S | 1 + 3 files changed, 5 insertions(+), 1 deletion(-)