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Sat, 02 May 2020 04:20:11 -0700 (PDT) Received: from bobo.ozlabs.ibm.com ([203.220.177.17]) by smtp.gmail.com with ESMTPSA id q15sm3862790pgj.52.2020.05.02.04.20.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 02 May 2020 04:20:10 -0700 (PDT) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Subject: [RFC PATCH 07/10] powerpc/powernv: Add OPAL_FIND_VM_AREA API Date: Sat, 2 May 2020 21:19:11 +1000 Message-Id: <20200502111914.166578-8-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200502111914.166578-1-npiggin@gmail.com> References: <20200502111914.166578-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nicholas Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This will be used in the next patch. Signed-off-by: Nicholas Piggin --- arch/powerpc/include/asm/opal-api.h | 15 ++++++++++++++- arch/powerpc/include/asm/opal.h | 2 ++ arch/powerpc/platforms/powernv/opal-call.c | 1 + 3 files changed, 17 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h index 018d4734c323..0be5ff4e51b5 100644 --- a/arch/powerpc/include/asm/opal-api.h +++ b/arch/powerpc/include/asm/opal-api.h @@ -217,7 +217,8 @@ #define OPAL_ADDR_TO_SYM 181 #define OPAL_SYM_TO_ADDR 182 #define OPAL_REPORT_TRAP 183 -#define OPAL_LAST 183 +#define OPAL_FIND_VM_AREA 184 +#define OPAL_LAST 184 #define QUIESCE_HOLD 1 /* Spin all calls at entry */ #define QUIESCE_REJECT 2 /* Fail all calls with OPAL_BUSY */ @@ -1189,6 +1190,18 @@ struct opal_mpipl_fadump { #define OPAL_TRAP_WARN 2 #define OPAL_TRAP_PANIC 3 +#define OS_VM_FLAG_READ 0x1 +#define OS_VM_FLAG_WRITE 0x2 +#define OS_VM_FLAG_EXECUTE 0x4 +#define OS_VM_FLAG_CI 0x8 + +struct opal_vm_area { + __be64 address; + __be64 length; + __be64 pa; + __be64 vm_flags; +}; + #endif /* __ASSEMBLY__ */ #endif /* __OPAL_API_H */ diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index dc77c2d5e036..199b5582b700 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -405,6 +405,8 @@ void opal_powercap_init(void); void opal_psr_init(void); void opal_sensor_groups_init(void); +int64_t opal_find_vm_area(uint64_t addr, struct opal_vm_area *opal_vm_area); + #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_OPAL_H */ diff --git a/arch/powerpc/platforms/powernv/opal-call.c b/arch/powerpc/platforms/powernv/opal-call.c index 32857254d268..e62a74dfb3d0 100644 --- a/arch/powerpc/platforms/powernv/opal-call.c +++ b/arch/powerpc/platforms/powernv/opal-call.c @@ -332,3 +332,4 @@ OPAL_CALL(opal_secvar_enqueue_update, OPAL_SECVAR_ENQUEUE_UPDATE); OPAL_CALL(opal_addr_to_sym, OPAL_ADDR_TO_SYM); OPAL_CALL(opal_sym_to_addr, OPAL_SYM_TO_ADDR); OPAL_CALL(opal_report_trap, OPAL_REPORT_TRAP); +OPAL_CALL(opal_find_vm_area, OPAL_FIND_VM_AREA); -- 2.23.0