From: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Cc: rusty@rustcorp.com.au,
Madhavan Srinivasan <maddy@linux.vnet.ibm.com>,
Stewart Smith <stewart@linux.vnet.ibm.com>,
Jeremy Kerr <jk@ozlabs.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Paul Mackerras <paulus@samba.org>,
Anton Blanchard <anton@samba.org>,
Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>,
Anshuman Khandual <khandual@linux.vnet.ibm.com>,
Stephane Eranian <eranian@google.com>
Subject: [PATCH v2 2/7]powerpc/powernv: Add OPAL support for Nest PMU
Date: Thu, 11 Jun 2015 10:47:49 +0530 [thread overview]
Message-ID: <1433999874-2043-3-git-send-email-maddy@linux.vnet.ibm.com> (raw)
In-Reply-To: <1433999874-2043-1-git-send-email-maddy@linux.vnet.ibm.com>
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(-)
diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h
index 0321a90..8011a75 100644
--- a/arch/powerpc/include/asm/opal-api.h
+++ b/arch/powerpc/include/asm/opal-api.h
@@ -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 */
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index 042af1a..f86e5e9 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -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);
diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S
index a7ade94..ce36a68 100644
--- a/arch/powerpc/platforms/powernv/opal-wrappers.S
+++ b/arch/powerpc/platforms/powernv/opal-wrappers.S
@@ -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);
--
1.9.1
next prev parent reply other threads:[~2015-06-11 5:18 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-11 5:17 [PATCH v2 0/7]powerpc/powernv: Nest Instrumentation support Madhavan Srinivasan
2015-06-11 5:17 ` [PATCH v2 1/7]powerpc/powernv: Data structure and macros definition Madhavan Srinivasan
2015-06-11 5:17 ` Madhavan Srinivasan [this message]
2015-06-11 5:17 ` [PATCH v2 3/7]powerpc/powernv: Nest PMU detection and device tree parser Madhavan Srinivasan
2015-06-11 5:17 ` [PATCH v2 4/7]powerpc/powernv: detect supported nest pmus and its events Madhavan Srinivasan
2015-06-11 5:17 ` [PATCH v2 5/7]powerpc/powernv: add event attribute and group to nest pmu Madhavan Srinivasan
2015-06-11 5:17 ` [PATCH v2 6/7]powerpc/powernv: generic nest pmu event functions Madhavan Srinivasan
2015-06-23 1:49 ` Sukadev Bhattiprolu
2015-06-24 3:52 ` Madhavan Srinivasan
2015-06-11 5:17 ` [PATCH v2 7/7]powerpc/powernv: nest pmu cpumask and cpu hotplug support Madhavan Srinivasan
2015-06-16 6:28 ` Preeti U Murthy
2015-06-22 9:15 ` Madhavan Srinivasan
2015-06-24 6:46 ` Madhavan Srinivasan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1433999874-2043-3-git-send-email-maddy@linux.vnet.ibm.com \
--to=maddy@linux.vnet.ibm.com \
--cc=anton@samba.org \
--cc=benh@kernel.crashing.org \
--cc=eranian@google.com \
--cc=jk@ozlabs.org \
--cc=khandual@linux.vnet.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mpe@ellerman.id.au \
--cc=paulus@samba.org \
--cc=rusty@rustcorp.com.au \
--cc=stewart@linux.vnet.ibm.com \
--cc=sukadev@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).