From: Scott Cheloha <cheloha@linux.ibm.com>
To: linux-watchdog@vger.kernel.org
Cc: linux@roeck-us.net, tzungbi@kernel.org, brking@linux.ibm.com,
nathanl@linux.ibm.com, aik@ozlabs.ru, npiggin@gmail.com,
vaishnavi@linux.ibm.com, wvoigt@us.ibm.com,
linuxppc-dev@lists.ozlabs.org,
Scott Cheloha <cheloha@linux.ibm.com>
Subject: [PATCH v1 2/4] powerpc/pseries: add FW_FEATURE_WATCHDOG flag
Date: Fri, 20 May 2022 13:35:50 -0500 [thread overview]
Message-ID: <20220520183552.33426-3-cheloha@linux.ibm.com> (raw)
In-Reply-To: <20220520183552.33426-1-cheloha@linux.ibm.com>
PAPR v2.12 specifies a new optional function set, "hcall-watchdog",
for the /rtas/ibm,hypertas-functions property. The presence of this
function set indicates support for the H_WATCHDOG hypercall.
Check for this function set and, if present, set the new
FW_FEATURE_WATCHDOG flag.
Signed-off-by: Scott Cheloha <cheloha@linux.ibm.com>
---
arch/powerpc/include/asm/firmware.h | 3 ++-
arch/powerpc/platforms/pseries/firmware.c | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h
index 8dddd34b8ecf..398e0b5e485f 100644
--- a/arch/powerpc/include/asm/firmware.h
+++ b/arch/powerpc/include/asm/firmware.h
@@ -55,6 +55,7 @@
#define FW_FEATURE_RPT_INVALIDATE ASM_CONST(0x0000010000000000)
#define FW_FEATURE_FORM2_AFFINITY ASM_CONST(0x0000020000000000)
#define FW_FEATURE_ENERGY_SCALE_INFO ASM_CONST(0x0000040000000000)
+#define FW_FEATURE_WATCHDOG ASM_CONST(0x0000080000000000)
#ifndef __ASSEMBLY__
@@ -76,7 +77,7 @@ enum {
FW_FEATURE_DRC_INFO | FW_FEATURE_BLOCK_REMOVE |
FW_FEATURE_PAPR_SCM | FW_FEATURE_ULTRAVISOR |
FW_FEATURE_RPT_INVALIDATE | FW_FEATURE_FORM2_AFFINITY |
- FW_FEATURE_ENERGY_SCALE_INFO,
+ FW_FEATURE_ENERGY_SCALE_INFO | FW_FEATURE_WATCHDOG,
FW_FEATURE_PSERIES_ALWAYS = 0,
FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_ULTRAVISOR,
FW_FEATURE_POWERNV_ALWAYS = 0,
diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c
index 09c119b2f623..080108d129ed 100644
--- a/arch/powerpc/platforms/pseries/firmware.c
+++ b/arch/powerpc/platforms/pseries/firmware.c
@@ -67,6 +67,7 @@ hypertas_fw_features_table[] = {
{FW_FEATURE_PAPR_SCM, "hcall-scm"},
{FW_FEATURE_RPT_INVALIDATE, "hcall-rpt-invalidate"},
{FW_FEATURE_ENERGY_SCALE_INFO, "hcall-energy-scale-info"},
+ {FW_FEATURE_WATCHDOG, "hcall-watchdog"},
};
/* Build up the firmware features bitmask using the contents of
--
2.27.0
WARNING: multiple messages have this Message-ID (diff)
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 v1 2/4] powerpc/pseries: add FW_FEATURE_WATCHDOG flag
Date: Fri, 20 May 2022 13:35:50 -0500 [thread overview]
Message-ID: <20220520183552.33426-3-cheloha@linux.ibm.com> (raw)
In-Reply-To: <20220520183552.33426-1-cheloha@linux.ibm.com>
PAPR v2.12 specifies a new optional function set, "hcall-watchdog",
for the /rtas/ibm,hypertas-functions property. The presence of this
function set indicates support for the H_WATCHDOG hypercall.
Check for this function set and, if present, set the new
FW_FEATURE_WATCHDOG flag.
Signed-off-by: Scott Cheloha <cheloha@linux.ibm.com>
---
arch/powerpc/include/asm/firmware.h | 3 ++-
arch/powerpc/platforms/pseries/firmware.c | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h
index 8dddd34b8ecf..398e0b5e485f 100644
--- a/arch/powerpc/include/asm/firmware.h
+++ b/arch/powerpc/include/asm/firmware.h
@@ -55,6 +55,7 @@
#define FW_FEATURE_RPT_INVALIDATE ASM_CONST(0x0000010000000000)
#define FW_FEATURE_FORM2_AFFINITY ASM_CONST(0x0000020000000000)
#define FW_FEATURE_ENERGY_SCALE_INFO ASM_CONST(0x0000040000000000)
+#define FW_FEATURE_WATCHDOG ASM_CONST(0x0000080000000000)
#ifndef __ASSEMBLY__
@@ -76,7 +77,7 @@ enum {
FW_FEATURE_DRC_INFO | FW_FEATURE_BLOCK_REMOVE |
FW_FEATURE_PAPR_SCM | FW_FEATURE_ULTRAVISOR |
FW_FEATURE_RPT_INVALIDATE | FW_FEATURE_FORM2_AFFINITY |
- FW_FEATURE_ENERGY_SCALE_INFO,
+ FW_FEATURE_ENERGY_SCALE_INFO | FW_FEATURE_WATCHDOG,
FW_FEATURE_PSERIES_ALWAYS = 0,
FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_ULTRAVISOR,
FW_FEATURE_POWERNV_ALWAYS = 0,
diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c
index 09c119b2f623..080108d129ed 100644
--- a/arch/powerpc/platforms/pseries/firmware.c
+++ b/arch/powerpc/platforms/pseries/firmware.c
@@ -67,6 +67,7 @@ hypertas_fw_features_table[] = {
{FW_FEATURE_PAPR_SCM, "hcall-scm"},
{FW_FEATURE_RPT_INVALIDATE, "hcall-rpt-invalidate"},
{FW_FEATURE_ENERGY_SCALE_INFO, "hcall-energy-scale-info"},
+ {FW_FEATURE_WATCHDOG, "hcall-watchdog"},
};
/* Build up the firmware features bitmask using the contents of
--
2.27.0
next prev parent reply other threads:[~2022-05-20 18:37 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-20 18:35 [PATCH v1 0/4] pseries-wdt: initial support for PAPR virtual watchdog timers Scott Cheloha
2022-05-20 18:35 ` Scott Cheloha
2022-05-20 18:35 ` [PATCH v1 1/4] powerpc/pseries: hvcall.h: add H_WATCHDOG opcode, H_NOOP return code Scott Cheloha
2022-05-20 18:35 ` Scott Cheloha
2022-05-20 18:35 ` Scott Cheloha [this message]
2022-05-20 18:35 ` [PATCH v1 2/4] powerpc/pseries: add FW_FEATURE_WATCHDOG flag Scott Cheloha
2022-05-20 18:35 ` [PATCH v1 3/4] powerpc/pseries: register pseries-wdt device with platform bus Scott Cheloha
2022-05-20 18:35 ` Scott Cheloha
2022-05-20 18:35 ` [PATCH v1 4/4] watchdog/pseries-wdt: initial support for PAPR H_WATCHDOG timers Scott Cheloha
2022-05-20 18:35 ` Scott Cheloha
2022-05-25 6:35 ` Alexey Kardashevskiy
2022-05-25 6:35 ` Alexey Kardashevskiy
2022-05-25 7:52 ` Guenter Roeck
2022-05-25 7:52 ` Guenter Roeck
2022-06-01 15:07 ` Scott Cheloha
2022-06-01 15:07 ` Scott Cheloha
2022-06-01 15:45 ` Guenter Roeck
2022-06-01 15:45 ` Guenter Roeck
2022-06-01 15:56 ` Scott Cheloha
2022-06-01 15:56 ` Scott Cheloha
2022-06-01 14:48 ` Scott Cheloha
2022-06-01 14:48 ` Scott Cheloha
2022-06-02 4:27 ` Alexey Kardashevskiy
2022-06-02 4:27 ` Alexey Kardashevskiy
-- strict thread matches above, loose matches on Subject: below --
2022-05-20 17:20 [PATCH v1 1/4] powerpc/pseries: hvcall.h: add H_WATCHDOG opcode, H_NOOP return code Scott Cheloha
2022-05-20 17:20 ` [PATCH v1 2/4] powerpc/pseries: add FW_FEATURE_WATCHDOG flag Scott Cheloha
2022-05-20 17:20 ` Scott Cheloha
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