From: Ravi Bangoria <ravi.bangoria@linux.ibm.com> To: mpe@ellerman.id.au, mikey@neuling.org Cc: ravi.bangoria@linux.ibm.com, paulus@samba.org, npiggin@gmail.com, christophe.leroy@c-s.fr, naveen.n.rao@linux.vnet.ibm.com, peterz@infradead.org, jolsa@kernel.org, oleg@redhat.com, fweisbec@gmail.com, mingo@kernel.org, pedromfc@br.ibm.com, miltonm@us.ibm.com, jniethe5@gmail.com, rogealve@br.ibm.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 05/10] powerpc/dt_cpu_ftrs: Add feature for 2nd DAWR Date: Thu, 23 Jul 2020 14:38:08 +0530 [thread overview] Message-ID: <20200723090813.303838-6-ravi.bangoria@linux.ibm.com> (raw) In-Reply-To: <20200723090813.303838-1-ravi.bangoria@linux.ibm.com> Add new device-tree feature for 2nd DAWR. If this feature is present, 2nd DAWR is supported, otherwise not. Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> --- arch/powerpc/include/asm/cputable.h | 3 ++- arch/powerpc/kernel/dt_cpu_ftrs.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index e506d429b1af..5583f2d08df7 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -214,6 +214,7 @@ static inline void cpu_feature_keys_init(void) { } #define CPU_FTR_P9_TLBIE_ERAT_BUG LONG_ASM_CONST(0x0001000000000000) #define CPU_FTR_P9_RADIX_PREFETCH_BUG LONG_ASM_CONST(0x0002000000000000) #define CPU_FTR_ARCH_31 LONG_ASM_CONST(0x0004000000000000) +#define CPU_FTR_DAWR1 LONG_ASM_CONST(0x0008000000000000) #ifndef __ASSEMBLY__ @@ -478,7 +479,7 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \ CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_PKEY | \ - CPU_FTR_ARCH_31 | CPU_FTR_DAWR) + CPU_FTR_ARCH_31 | CPU_FTR_DAWR | CPU_FTR_DAWR1) #define CPU_FTRS_CELL (CPU_FTR_LWSYNC | \ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \ diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index ac650c233cd9..675b824038f9 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -649,6 +649,7 @@ static struct dt_cpu_feature_match __initdata {"wait-v3", feat_enable, 0}, {"prefix-instructions", feat_enable, 0}, {"matrix-multiply-assist", feat_enable_mma, 0}, + {"debug-facilities-v31", feat_enable, CPU_FTR_DAWR1}, }; static bool __initdata using_dt_cpu_ftrs; -- 2.26.2
WARNING: multiple messages have this Message-ID (diff)
From: Ravi Bangoria <ravi.bangoria@linux.ibm.com> To: mpe@ellerman.id.au, mikey@neuling.org Cc: christophe.leroy@c-s.fr, ravi.bangoria@linux.ibm.com, rogealve@br.ibm.com, miltonm@us.ibm.com, peterz@infradead.org, fweisbec@gmail.com, oleg@redhat.com, npiggin@gmail.com, linux-kernel@vger.kernel.org, paulus@samba.org, jolsa@kernel.org, jniethe5@gmail.com, pedromfc@br.ibm.com, naveen.n.rao@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, mingo@kernel.org Subject: [PATCH v5 05/10] powerpc/dt_cpu_ftrs: Add feature for 2nd DAWR Date: Thu, 23 Jul 2020 14:38:08 +0530 [thread overview] Message-ID: <20200723090813.303838-6-ravi.bangoria@linux.ibm.com> (raw) In-Reply-To: <20200723090813.303838-1-ravi.bangoria@linux.ibm.com> Add new device-tree feature for 2nd DAWR. If this feature is present, 2nd DAWR is supported, otherwise not. Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> --- arch/powerpc/include/asm/cputable.h | 3 ++- arch/powerpc/kernel/dt_cpu_ftrs.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index e506d429b1af..5583f2d08df7 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -214,6 +214,7 @@ static inline void cpu_feature_keys_init(void) { } #define CPU_FTR_P9_TLBIE_ERAT_BUG LONG_ASM_CONST(0x0001000000000000) #define CPU_FTR_P9_RADIX_PREFETCH_BUG LONG_ASM_CONST(0x0002000000000000) #define CPU_FTR_ARCH_31 LONG_ASM_CONST(0x0004000000000000) +#define CPU_FTR_DAWR1 LONG_ASM_CONST(0x0008000000000000) #ifndef __ASSEMBLY__ @@ -478,7 +479,7 @@ static inline void cpu_feature_keys_init(void) { } CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_ARCH_207S | \ CPU_FTR_TM_COMP | CPU_FTR_ARCH_300 | CPU_FTR_PKEY | \ - CPU_FTR_ARCH_31 | CPU_FTR_DAWR) + CPU_FTR_ARCH_31 | CPU_FTR_DAWR | CPU_FTR_DAWR1) #define CPU_FTRS_CELL (CPU_FTR_LWSYNC | \ CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \ CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \ diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index ac650c233cd9..675b824038f9 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -649,6 +649,7 @@ static struct dt_cpu_feature_match __initdata {"wait-v3", feat_enable, 0}, {"prefix-instructions", feat_enable, 0}, {"matrix-multiply-assist", feat_enable_mma, 0}, + {"debug-facilities-v31", feat_enable, CPU_FTR_DAWR1}, }; static bool __initdata using_dt_cpu_ftrs; -- 2.26.2
next prev parent reply other threads:[~2020-07-23 9:09 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-23 9:08 [PATCH v5 00/10] powerpc/watchpoint: Enable 2nd DAWR on baremetal and powervm Ravi Bangoria 2020-07-23 9:08 ` Ravi Bangoria 2020-07-23 9:08 ` [PATCH v5 01/10] powerpc/watchpoint: Fix 512 byte boundary limit Ravi Bangoria 2020-07-23 9:08 ` Ravi Bangoria 2020-07-23 9:08 ` [PATCH v5 02/10] powerpc/watchpoint: Fix DAWR exception constraint Ravi Bangoria 2020-07-23 9:08 ` Ravi Bangoria 2020-07-23 9:08 ` [PATCH v5 03/10] powerpc/watchpoint: Fix DAWR exception for CACHEOP Ravi Bangoria 2020-07-23 9:08 ` Ravi Bangoria 2020-07-23 9:08 ` [PATCH v5 04/10] powerpc/watchpoint: Enable watchpoint functionality on power10 guest Ravi Bangoria 2020-07-23 9:08 ` Ravi Bangoria 2020-07-23 9:08 ` Ravi Bangoria [this message] 2020-07-23 9:08 ` [PATCH v5 05/10] powerpc/dt_cpu_ftrs: Add feature for 2nd DAWR Ravi Bangoria 2020-07-23 9:08 ` [PATCH v5 06/10] powerpc/watchpoint: Set CPU_FTR_DAWR1 based on pa-features bit Ravi Bangoria 2020-07-23 9:08 ` Ravi Bangoria 2020-07-23 9:08 ` [PATCH v5 07/10] powerpc/watchpoint: Rename current H_SET_MODE DAWR macro Ravi Bangoria 2020-07-23 9:08 ` Ravi Bangoria 2020-07-23 9:08 ` [PATCH v5 08/10] powerpc/watchpoint: Guest support for 2nd DAWR hcall Ravi Bangoria 2020-07-23 9:08 ` Ravi Bangoria 2020-07-23 9:08 ` [PATCH v5 09/10] powerpc/watchpoint: Return available watchpoints dynamically Ravi Bangoria 2020-07-23 9:08 ` Ravi Bangoria 2020-07-23 9:08 ` [PATCH v5 10/10] powerpc/watchpoint: Remove 512 byte boundary Ravi Bangoria 2020-07-23 9:08 ` Ravi Bangoria 2020-07-27 7:26 ` [PATCH v5 00/10] powerpc/watchpoint: Enable 2nd DAWR on baremetal and powervm Michael Ellerman 2020-07-27 7:26 ` Michael Ellerman
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