From: Scott Cheloha <cheloha@linux.ibm.com>
To: linux-watchdog@vger.kernel.org
Cc: nathanl@linux.ibm.com, wvoigt@us.ibm.com, aik@ozlabs.ru,
Scott Cheloha <cheloha@linux.ibm.com>,
vaishnavi@linux.ibm.com, npiggin@gmail.com, tzungbi@kernel.org,
brking@linux.ibm.com, linuxppc-dev@lists.ozlabs.org,
linux@roeck-us.net
Subject: [PATCH v3 1/4] powerpc/pseries: hvcall.h: add H_WATCHDOG opcode, H_NOOP return code
Date: Wed, 13 Jul 2022 15:23:32 -0500 [thread overview]
Message-ID: <20220713202335.1217647-2-cheloha@linux.ibm.com> (raw)
In-Reply-To: <20220713202335.1217647-1-cheloha@linux.ibm.com>
PAPR v2.12 defines a new hypercall, H_WATCHDOG. The hypercall permits
guest control of one or more virtual watchdog timers.
Add the opcode for the H_WATCHDOG hypercall to hvcall.h. While here,
add a definition for H_NOOP, a possible return code for H_WATCHDOG.
Signed-off-by: Scott Cheloha <cheloha@linux.ibm.com>
---
arch/powerpc/include/asm/hvcall.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index d92a20a85395..4b4f69c35b4f 100644
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -87,6 +87,7 @@
#define H_P7 -60
#define H_P8 -61
#define H_P9 -62
+#define H_NOOP -63
#define H_TOO_BIG -64
#define H_UNSUPPORTED -67
#define H_OVERLAP -68
@@ -324,7 +325,8 @@
#define H_RPT_INVALIDATE 0x448
#define H_SCM_FLUSH 0x44C
#define H_GET_ENERGY_SCALE_INFO 0x450
-#define MAX_HCALL_OPCODE H_GET_ENERGY_SCALE_INFO
+#define H_WATCHDOG 0x45C
+#define MAX_HCALL_OPCODE H_WATCHDOG
/* Scope args for H_SCM_UNBIND_ALL */
#define H_UNBIND_SCOPE_ALL (0x1)
--
2.27.0
next prev parent reply other threads:[~2022-07-13 20:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-13 20:23 [PATCH v3 0/4] pseries-wdt: initial support for H_WATCHDOG-based watchdog timers Scott Cheloha
2022-07-13 20:23 ` Scott Cheloha [this message]
2022-07-13 20:23 ` [PATCH v3 2/4] powerpc/pseries: add FW_FEATURE_WATCHDOG flag Scott Cheloha
2022-07-13 20:23 ` [PATCH v3 3/4] powerpc/pseries: register pseries-wdt device with platform bus Scott Cheloha
2022-07-13 20:23 ` [PATCH v3 4/4] watchdog/pseries-wdt: initial support for H_WATCHDOG-based watchdog timers Scott Cheloha
2022-07-13 20:50 ` Guenter Roeck
2022-07-25 16:11 ` Scott Cheloha
2022-07-25 21:30 ` Guenter Roeck
2022-07-26 7:14 ` Michael Ellerman
2022-07-29 13:01 ` [PATCH v3 0/4] pseries-wdt: " Michael Ellerman
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