Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1340224
| From | Madhavan Srinivasan <maddy@linux.vnet.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v8 2/7] powerpc/powernv: Add OPAL support for Nest PMU |
| Date | 2016-02-23 05:00 +0100 |
| Message-ID | <r5ciL-7X0-5@gated-at.bofh.it> (permalink) |
| References | <r5c95-7TE-29@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Nest Counters can be configured via PORE Engine and OPAL provides an interface to start/stop it. Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Anton Blanchard <anton@samba.org> Cc: Daniel Axtens <dja@axtens.net> Cc: Stephane Eranian <eranian@google.com> Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> --- OPAL side patches are posted in the skiboot mailing. arch/powerpc/include/asm/opal-api.h | 3 ++- arch/powerpc/include/asm/opal.h | 3 +++ arch/powerpc/platforms/powernv/opal-wrappers.S | 1 + 3 files changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h index f8faaaeeca1e..1845af7917a4 100644 --- a/arch/powerpc/include/asm/opal-api.h +++ b/arch/powerpc/include/asm/opal-api.h @@ -158,7 +158,8 @@ #define OPAL_LEDS_SET_INDICATOR 115 #define OPAL_CEC_REBOOT2 116 #define OPAL_CONSOLE_FLUSH 117 -#define OPAL_LAST 117 +#define OPAL_NEST_COUNTERS_CONTROL 118 +#define OPAL_LAST 118 /* Device tree flags */ diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index 07a99e638449..6556e2a2141c 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -210,6 +210,9 @@ 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_counters_control(uint64_t mode, uint64_t value1, + uint64_t value2, uint64_t value3); + /* Internal functions */ extern int early_init_dt_scan_opal(unsigned long node, const char *uname, int depth, void *data); diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index e45b88a5d7e0..193fed741a53 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -302,3 +302,4 @@ OPAL_CALL(opal_prd_msg, OPAL_PRD_MSG); OPAL_CALL(opal_leds_get_ind, OPAL_LEDS_GET_INDICATOR); OPAL_CALL(opal_leds_set_ind, OPAL_LEDS_SET_INDICATOR); OPAL_CALL(opal_console_flush, OPAL_CONSOLE_FLUSH); +OPAL_CALL(opal_nest_counters_control, OPAL_NEST_COUNTERS_CONTROL); -- 1.9.1
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH v8 0/7] powerpc/powernv: Nest Instrumentation support Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2016-02-23 05:00 +0100 [PATCH v8 4/7] powerpc/powernv: detect supported nest units and its events Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2016-02-23 05:00 +0100 [PATCH v8 2/7] powerpc/powernv: Add OPAL support for Nest PMU Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2016-02-23 05:00 +0100 [PATCH v8 1/7] powerpc/powernv: Data structure and macros definition Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2016-02-23 05:00 +0100 [PATCH v8 5/7] powerpc/perf: Add event attribute and group to nest pmu Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2016-02-23 05:00 +0100 [PATCH v8 3/7] powerpc/powernv: autoload nest unit driver module Madhavan Srinivasan <maddy@linux.vnet.ibm.com> - 2016-02-23 05:00 +0100
csiph-web