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[176.184.30.206]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a7dc9c12ad3sm552622066b.88.2024.08.06.07.19.48 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 06 Aug 2024 07:19:49 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Markus Armbruster , Eric Blake , qemu-arm@nongnu.org, Peter Maydell , Thomas Huth , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [RFC PATCH-for-9.1? 1/2] target/arm: Move qmp_query_gic_capabilities() to hw/intc/ Date: Tue, 6 Aug 2024 16:19:39 +0200 Message-ID: <20240806141940.22095-2-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240806141940.22095-1-philmd@linaro.org> References: <20240806141940.22095-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::52b; envelope-from=philmd@linaro.org; helo=mail-ed1-x52b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org qmp_query_gic_capabilities() is not specific to the ARM architecture but to the GIC device which is modelled in hw/intc/, so move the code there for clarity. No logical change intended. Signed-off-by: Philippe Mathieu-Daudé --- hw/intc/arm_gic_qmp.c | 59 +++++++++++++++++++++++++++++++++++++++ target/arm/arm-qmp-cmds.c | 52 +--------------------------------- hw/intc/meson.build | 1 + 3 files changed, 61 insertions(+), 51 deletions(-) create mode 100644 hw/intc/arm_gic_qmp.c diff --git a/hw/intc/arm_gic_qmp.c b/hw/intc/arm_gic_qmp.c new file mode 100644 index 0000000000..71056a0c10 --- /dev/null +++ b/hw/intc/arm_gic_qmp.c @@ -0,0 +1,59 @@ +/* + * QEMU ARM GIC QMP command + * + * SPDX-License-Identifier: MIT + */ + +#include "qemu/osdep.h" +#include "qapi/util.h" +#include "qapi/qapi-commands-misc-target.h" +#include "kvm_arm.h" + +static GICCapability *gic_cap_new(int version) +{ + GICCapability *cap = g_new0(GICCapability, 1); + cap->version = version; + /* by default, support none */ + cap->emulated = false; + cap->kernel = false; + return cap; +} + +static inline void gic_cap_kvm_probe(GICCapability *v2, GICCapability *v3) +{ +#ifdef CONFIG_KVM + int fdarray[3]; + + if (!kvm_arm_create_scratch_host_vcpu(NULL, fdarray, NULL)) { + return; + } + + /* Test KVM GICv2 */ + if (kvm_device_supported(fdarray[1], KVM_DEV_TYPE_ARM_VGIC_V2)) { + v2->kernel = true; + } + + /* Test KVM GICv3 */ + if (kvm_device_supported(fdarray[1], KVM_DEV_TYPE_ARM_VGIC_V3)) { + v3->kernel = true; + } + + kvm_arm_destroy_scratch_host_vcpu(fdarray); +#endif +} + +GICCapabilityList *qmp_query_gic_capabilities(Error **errp) +{ + GICCapabilityList *head = NULL; + GICCapability *v2 = gic_cap_new(2), *v3 = gic_cap_new(3); + + v2->emulated = true; + v3->emulated = true; + + gic_cap_kvm_probe(v2, v3); + + QAPI_LIST_PREPEND(head, v2); + QAPI_LIST_PREPEND(head, v3); + + return head; +} diff --git a/target/arm/arm-qmp-cmds.c b/target/arm/arm-qmp-cmds.c index 3cc8cc738b..3303c71b21 100644 --- a/target/arm/arm-qmp-cmds.c +++ b/target/arm/arm-qmp-cmds.c @@ -22,64 +22,14 @@ #include "qemu/osdep.h" #include "hw/boards.h" -#include "kvm_arm.h" +#include "sysemu/kvm.h" #include "qapi/error.h" #include "qapi/visitor.h" #include "qapi/qobject-input-visitor.h" #include "qapi/qapi-commands-machine-target.h" -#include "qapi/qapi-commands-misc-target.h" #include "qapi/qmp/qdict.h" #include "qom/qom-qobject.h" -static GICCapability *gic_cap_new(int version) -{ - GICCapability *cap = g_new0(GICCapability, 1); - cap->version = version; - /* by default, support none */ - cap->emulated = false; - cap->kernel = false; - return cap; -} - -static inline void gic_cap_kvm_probe(GICCapability *v2, GICCapability *v3) -{ -#ifdef CONFIG_KVM - int fdarray[3]; - - if (!kvm_arm_create_scratch_host_vcpu(NULL, fdarray, NULL)) { - return; - } - - /* Test KVM GICv2 */ - if (kvm_device_supported(fdarray[1], KVM_DEV_TYPE_ARM_VGIC_V2)) { - v2->kernel = true; - } - - /* Test KVM GICv3 */ - if (kvm_device_supported(fdarray[1], KVM_DEV_TYPE_ARM_VGIC_V3)) { - v3->kernel = true; - } - - kvm_arm_destroy_scratch_host_vcpu(fdarray); -#endif -} - -GICCapabilityList *qmp_query_gic_capabilities(Error **errp) -{ - GICCapabilityList *head = NULL; - GICCapability *v2 = gic_cap_new(2), *v3 = gic_cap_new(3); - - v2->emulated = true; - v3->emulated = true; - - gic_cap_kvm_probe(v2, v3); - - QAPI_LIST_PREPEND(head, v2); - QAPI_LIST_PREPEND(head, v3); - - return head; -} - QEMU_BUILD_BUG_ON(ARM_MAX_VQ > 16); /* diff --git a/hw/intc/meson.build b/hw/intc/meson.build index afd1aa51ee..45d3503d49 100644 --- a/hw/intc/meson.build +++ b/hw/intc/meson.build @@ -39,6 +39,7 @@ if config_all_devices.has_key('CONFIG_APIC') or \ endif specific_ss.add(when: 'CONFIG_APIC', if_true: files('apic.c', 'apic_common.c')) +specific_ss.add(when: 'CONFIG_ARM', if_true: files('arm_gic_qmp.c')) specific_ss.add(when: 'CONFIG_ARM_GIC', if_true: files('arm_gicv3_cpuif_common.c')) specific_ss.add(when: 'CONFIG_ARM_GICV3_TCG', if_true: files('arm_gicv3_cpuif.c')) specific_ss.add(when: 'CONFIG_ARM_GIC_KVM', if_true: files('arm_gic_kvm.c'))