From: Elliot Berman <quic_eberman@quicinc.com> To: Bjorn Andersson <quic_bjorande@quicinc.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Elliot Berman <quic_eberman@quicinc.com>, Murali Nalajala <quic_mnalajal@quicinc.com> Cc: Trilok Soni <quic_tsoni@quicinc.com>, Srivatsa Vaddagiri <quic_svaddagi@quicinc.com>, Carl van Schaik <quic_cvanscha@quicinc.com>, Prakruthi Deepak Heragu <quic_pheragu@quicinc.com>, Arnd Bergmann <arnd@arndb.de>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Jonathan Corbet <corbet@lwn.net>, "Jassi Brar" <jassisinghbrar@gmail.com>, Sudeep Holla <sudeep.holla@arm.com>, "Mark Rutland" <mark.rutland@arm.com>, Lorenzo Pieralisi <lpieralisi@kernel.org>, <linux-arm-msm@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-doc@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-acpi@vger.kernel.org> Subject: [PATCH v7 08/20] virt: gunyah: msgq: Add hypercalls to send and receive messages Date: Mon, 21 Nov 2022 05:59:57 -0800 [thread overview] Message-ID: <20221121140009.2353512-9-quic_eberman@quicinc.com> (raw) In-Reply-To: <20221121140009.2353512-1-quic_eberman@quicinc.com> Add hypercalls to send and receive messages on a Gunyah message queue. Signed-off-by: Elliot Berman <quic_eberman@quicinc.com> --- arch/arm64/gunyah/gunyah_hypercall.c | 33 ++++++++++++++++++++++++++++ include/linux/gunyah.h | 5 +++++ 2 files changed, 38 insertions(+) diff --git a/arch/arm64/gunyah/gunyah_hypercall.c b/arch/arm64/gunyah/gunyah_hypercall.c index 0beb3123d650..d28600909be4 100644 --- a/arch/arm64/gunyah/gunyah_hypercall.c +++ b/arch/arm64/gunyah/gunyah_hypercall.c @@ -26,6 +26,8 @@ GH_FN_ID(GH_CALL_TYPE_HYPERCALL, fn)) #define GH_HYPERCALL_HYP_IDENTIFY GH_HYPERCALL(0x0000) +#define GH_HYPERCALL_MSGQ_SEND GH_HYPERCALL(0x001B) +#define GH_HYPERCALL_MSGQ_RECV GH_HYPERCALL(0x001C) /** * gh_hypercall_get_uid() - Returns a UID when running under a Gunyah hypervisor @@ -65,5 +67,36 @@ void gh_hypercall_hyp_identify(struct gh_hypercall_hyp_identify_resp *hyp_identi } EXPORT_SYMBOL_GPL(gh_hypercall_hyp_identify); +int gh_hypercall_msgq_send(u64 capid, size_t size, uintptr_t buff, int tx_flags, bool *ready) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_hvc(GH_HYPERCALL_MSGQ_SEND, capid, size, buff, tx_flags, 0, &res); + + if (res.a0) + return res.a0; + + *ready = res.a1; + + return res.a0; +} +EXPORT_SYMBOL_GPL(gh_hypercall_msgq_send); + +int gh_hypercall_msgq_recv(u64 capid, uintptr_t buff, size_t size, size_t *recv_size, bool *ready) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_hvc(GH_HYPERCALL_MSGQ_RECV, capid, buff, size, 0, &res); + + if (res.a0) + return res.a0; + + *recv_size = res.a1; + *ready = res.a2; + + return res.a0; +} +EXPORT_SYMBOL_GPL(gh_hypercall_msgq_recv); + MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Gunyah Hypervisor Hypercalls"); diff --git a/include/linux/gunyah.h b/include/linux/gunyah.h index 166156f69df9..c863cac4a3cf 100644 --- a/include/linux/gunyah.h +++ b/include/linux/gunyah.h @@ -102,4 +102,9 @@ static inline u16 gh_api_version(void) void gh_hypercall_get_uid(u32 uid[4]); void gh_hypercall_hyp_identify(struct gh_hypercall_hyp_identify_resp *hyp_identity); +#define GH_HYPERCALL_MSGQ_TX_FLAGS_PUSH BIT(0) + +int gh_hypercall_msgq_send(u64 capid, size_t size, uintptr_t buff, int tx_flags, bool *ready); +int gh_hypercall_msgq_recv(u64 capid, uintptr_t buff, size_t size, size_t *recv_size, bool *ready); + #endif -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Elliot Berman <quic_eberman@quicinc.com> To: Bjorn Andersson <quic_bjorande@quicinc.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Elliot Berman <quic_eberman@quicinc.com>, Murali Nalajala <quic_mnalajal@quicinc.com> Cc: Trilok Soni <quic_tsoni@quicinc.com>, Srivatsa Vaddagiri <quic_svaddagi@quicinc.com>, Carl van Schaik <quic_cvanscha@quicinc.com>, Prakruthi Deepak Heragu <quic_pheragu@quicinc.com>, Arnd Bergmann <arnd@arndb.de>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Jonathan Corbet <corbet@lwn.net>, "Jassi Brar" <jassisinghbrar@gmail.com>, Sudeep Holla <sudeep.holla@arm.com>, "Mark Rutland" <mark.rutland@arm.com>, Lorenzo Pieralisi <lpieralisi@kernel.org>, <linux-arm-msm@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-doc@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-acpi@vger.kernel.org> Subject: [PATCH v7 08/20] virt: gunyah: msgq: Add hypercalls to send and receive messages Date: Mon, 21 Nov 2022 05:59:57 -0800 [thread overview] Message-ID: <20221121140009.2353512-9-quic_eberman@quicinc.com> (raw) In-Reply-To: <20221121140009.2353512-1-quic_eberman@quicinc.com> Add hypercalls to send and receive messages on a Gunyah message queue. Signed-off-by: Elliot Berman <quic_eberman@quicinc.com> --- arch/arm64/gunyah/gunyah_hypercall.c | 33 ++++++++++++++++++++++++++++ include/linux/gunyah.h | 5 +++++ 2 files changed, 38 insertions(+) diff --git a/arch/arm64/gunyah/gunyah_hypercall.c b/arch/arm64/gunyah/gunyah_hypercall.c index 0beb3123d650..d28600909be4 100644 --- a/arch/arm64/gunyah/gunyah_hypercall.c +++ b/arch/arm64/gunyah/gunyah_hypercall.c @@ -26,6 +26,8 @@ GH_FN_ID(GH_CALL_TYPE_HYPERCALL, fn)) #define GH_HYPERCALL_HYP_IDENTIFY GH_HYPERCALL(0x0000) +#define GH_HYPERCALL_MSGQ_SEND GH_HYPERCALL(0x001B) +#define GH_HYPERCALL_MSGQ_RECV GH_HYPERCALL(0x001C) /** * gh_hypercall_get_uid() - Returns a UID when running under a Gunyah hypervisor @@ -65,5 +67,36 @@ void gh_hypercall_hyp_identify(struct gh_hypercall_hyp_identify_resp *hyp_identi } EXPORT_SYMBOL_GPL(gh_hypercall_hyp_identify); +int gh_hypercall_msgq_send(u64 capid, size_t size, uintptr_t buff, int tx_flags, bool *ready) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_hvc(GH_HYPERCALL_MSGQ_SEND, capid, size, buff, tx_flags, 0, &res); + + if (res.a0) + return res.a0; + + *ready = res.a1; + + return res.a0; +} +EXPORT_SYMBOL_GPL(gh_hypercall_msgq_send); + +int gh_hypercall_msgq_recv(u64 capid, uintptr_t buff, size_t size, size_t *recv_size, bool *ready) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_hvc(GH_HYPERCALL_MSGQ_RECV, capid, buff, size, 0, &res); + + if (res.a0) + return res.a0; + + *recv_size = res.a1; + *ready = res.a2; + + return res.a0; +} +EXPORT_SYMBOL_GPL(gh_hypercall_msgq_recv); + MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Gunyah Hypervisor Hypercalls"); diff --git a/include/linux/gunyah.h b/include/linux/gunyah.h index 166156f69df9..c863cac4a3cf 100644 --- a/include/linux/gunyah.h +++ b/include/linux/gunyah.h @@ -102,4 +102,9 @@ static inline u16 gh_api_version(void) void gh_hypercall_get_uid(u32 uid[4]); void gh_hypercall_hyp_identify(struct gh_hypercall_hyp_identify_resp *hyp_identity); +#define GH_HYPERCALL_MSGQ_TX_FLAGS_PUSH BIT(0) + +int gh_hypercall_msgq_send(u64 capid, size_t size, uintptr_t buff, int tx_flags, bool *ready); +int gh_hypercall_msgq_recv(u64 capid, uintptr_t buff, size_t size, size_t *recv_size, bool *ready); + #endif -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-11-21 14:03 UTC|newest] Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-11-21 13:59 [PATCH v7 00/20] Drivers for gunyah hypervisor Elliot Berman 2022-11-21 13:59 ` Elliot Berman 2022-11-21 13:59 ` [PATCH v7 01/20] docs: gunyah: Introduce Gunyah Hypervisor Elliot Berman 2022-11-21 13:59 ` Elliot Berman 2022-11-21 13:59 ` [PATCH v7 02/20] dt-bindings: Add binding for gunyah hypervisor Elliot Berman 2022-11-21 13:59 ` Elliot Berman 2022-12-05 19:42 ` Rob Herring 2022-12-05 19:42 ` Rob Herring 2022-11-21 13:59 ` [PATCH v7 03/20] gunyah: Common types and error codes for Gunyah hypercalls Elliot Berman 2022-11-21 13:59 ` Elliot Berman 2022-11-21 13:59 ` [PATCH v7 04/20] arm64: smccc: Include alternative-macros.h Elliot Berman 2022-11-21 13:59 ` Elliot Berman 2022-11-21 13:59 ` [PATCH v7 05/20] virt: gunyah: Add hypercalls to identify Gunyah Elliot Berman 2022-11-21 13:59 ` Elliot Berman 2022-11-21 13:59 ` [PATCH v7 06/20] virt: gunyah: Identify hypervisor version Elliot Berman 2022-11-21 13:59 ` Elliot Berman 2022-11-21 13:59 ` [PATCH v7 07/20] mailbox: Allow direct registration to a channel Elliot Berman 2022-11-21 13:59 ` Elliot Berman 2022-11-22 4:34 ` kernel test robot 2022-11-21 13:59 ` Elliot Berman [this message] 2022-11-21 13:59 ` [PATCH v7 08/20] virt: gunyah: msgq: Add hypercalls to send and receive messages Elliot Berman 2022-11-21 13:59 ` [PATCH v7 09/20] mailbox: Add Gunyah message queue mailbox Elliot Berman 2022-11-21 13:59 ` Elliot Berman 2022-11-21 13:59 ` [PATCH v7 10/20] gunyah: rsc_mgr: Add resource manager RPC core Elliot Berman 2022-11-21 13:59 ` Elliot Berman 2022-11-21 15:23 ` Greg Kroah-Hartman 2022-11-21 15:23 ` Greg Kroah-Hartman 2022-12-12 23:46 ` Elliot Berman 2022-12-12 23:46 ` Elliot Berman 2022-12-13 6:25 ` Greg Kroah-Hartman 2022-12-13 6:25 ` Greg Kroah-Hartman 2022-11-21 15:24 ` Greg Kroah-Hartman 2022-11-21 15:24 ` Greg Kroah-Hartman 2022-12-12 23:46 ` Elliot Berman 2022-12-12 23:46 ` Elliot Berman 2022-12-13 6:26 ` Greg Kroah-Hartman 2022-12-13 6:26 ` Greg Kroah-Hartman 2022-12-16 2:25 ` Elliot Berman 2022-12-16 2:25 ` Elliot Berman 2023-01-26 21:27 ` Elliot Berman 2023-01-26 21:27 ` Elliot Berman 2022-11-21 14:00 ` [PATCH v7 11/20] gunyah: rsc_mgr: Add VM lifecycle RPC Elliot Berman 2022-11-21 14:00 ` Elliot Berman 2022-11-21 14:00 ` [PATCH v7 12/20] gunyah: vm_mgr: Introduce basic VM Manager Elliot Berman 2022-11-21 14:00 ` Elliot Berman 2022-11-21 14:00 ` [PATCH v7 13/20] gunyah: rsc_mgr: Add RPC for sharing memory Elliot Berman 2022-11-21 14:00 ` Elliot Berman 2022-11-21 14:00 ` [PATCH v7 14/20] gunyah: vm_mgr: Add/remove user memory regions Elliot Berman 2022-11-21 14:00 ` Elliot Berman 2022-11-21 14:00 ` [PATCH v7 15/20] gunyah: vm_mgr: Add ioctls to support basic non-proxy VM boot Elliot Berman 2022-11-21 14:00 ` Elliot Berman 2022-11-21 14:00 ` [PATCH v7 16/20] samples: Add sample userspace Gunyah VM Manager Elliot Berman 2022-11-21 14:00 ` Elliot Berman 2022-11-21 14:00 ` [PATCH v7 17/20] gunyah: rsc_mgr: Add platform ops on mem_lend/mem_reclaim Elliot Berman 2022-11-21 14:00 ` Elliot Berman 2022-11-21 14:00 ` [PATCH v7 18/20] firmware: qcom_scm: Use fixed width src vm bitmap Elliot Berman 2022-11-21 14:00 ` Elliot Berman 2022-11-21 14:00 ` Elliot Berman 2022-11-21 15:59 ` Kalle Valo 2022-11-21 15:59 ` Kalle Valo 2022-11-21 15:59 ` Kalle Valo 2022-11-21 14:00 ` [PATCH v7 19/20] firmware: qcom_scm: Register Gunyah platform ops Elliot Berman 2022-11-21 14:00 ` Elliot Berman 2022-12-02 16:55 ` kernel test robot 2022-11-21 14:00 ` [PATCH v7 20/20] docs: gunyah: Document Gunyah VM Manager Elliot Berman 2022-11-21 14:00 ` Elliot Berman
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