From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DA42C433F5 for ; Wed, 4 May 2022 03:26:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344357AbiEDD3f (ORCPT ); Tue, 3 May 2022 23:29:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33614 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344313AbiEDD3A (ORCPT ); Tue, 3 May 2022 23:29:00 -0400 Received: from mail-pl1-x64a.google.com (mail-pl1-x64a.google.com [IPv6:2607:f8b0:4864:20::64a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 46B9C28998 for ; Tue, 3 May 2022 20:25:12 -0700 (PDT) Received: by mail-pl1-x64a.google.com with SMTP id l5-20020a170902ec0500b0015cf1cfa4eeso134651pld.17 for ; Tue, 03 May 2022 20:25:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=81siEbhIkdzqPcY9Xtg50iitRGe5ygsdekvhVAB3NX0=; b=NuWJ5N+KLOx1BhbA8wk06eTUoWENS0sLIkG6muAEY1SkvThAH7fcjD9tfkcoHBZdCT OQPJij4iCv1hWg8Cdg/tKS8pzqsTl/H+vCOETTPa9r4HZfAPWbmkijB/XRDJjNz/t+AD vsfG8hm0t9YhwR8wVjTrZaKD9que3yRmLts44r5HtHllUbw4KaHGWlFCGY289RLgFgJ9 qQuRDHCX7YQufAFyI43AaANG087fk28ddm2uNMSwxi3CNfqxcDbf3taVVqZFinPO9FST GyC4GONT3eq0n8KD/5J/gPs+NcB4tS1sd5g5h9SBklF2x6k3t0gd0Eayk04FjMYgi8t0 G85w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=81siEbhIkdzqPcY9Xtg50iitRGe5ygsdekvhVAB3NX0=; b=nLO0oGoZZQ3vnEB4OmFC7zY+u7dGwhCGqqhA93eXKl387W8ax0QRJChapTxUx0A7DQ 7Iz0ckVHCE6tYgxiQsyT1918LPlh2BB0mLCUrxPNHmk1O4ronalp4QKPqVmSyqV2yrsl XusulZR3ESK6b3sH2lruovPx4tUuEm+Ci2glg5aED3jRzkIR+mYT1kEZKXQLjd7b+8HX sRSkkB+V0xwbfnymPGZuOxwg4XQ8P5Jt+lSJmEXeMu02pfanZ9w3VL5+i3IU6uBpfCCT JOXeXOx0Z0bbhpfn9rpvkWgCTSlV6P/jltZJGnbBqbmBXGtfdXVBuxiBxIV7PT0Ry9a7 ZCNg== X-Gm-Message-State: AOAM531KSV0ftG7lf5P5MS5lWXi58dillECOVT1nXWVx1qy8tu3t1hmi 8EL//p8/uaKKduN+wF0B1TSDaCeBDYs= X-Google-Smtp-Source: ABdhPJzRaV6jq6s6rASLIfk20GdBAgwguP7EIq7taEys777J23/9ClZM9xJa2UJQF44K2maAZCPmF8Tuw0Y= X-Received: from oupton3.c.googlers.com ([fda3:e722:ac3:cc00:24:72f4:c0a8:21eb]) (user=oupton job=sendgmr) by 2002:a05:6a00:1991:b0:50e:697:53f9 with SMTP id d17-20020a056a00199100b0050e069753f9mr7867965pfl.22.1651634711453; Tue, 03 May 2022 20:25:11 -0700 (PDT) Date: Wed, 4 May 2022 03:24:45 +0000 In-Reply-To: <20220504032446.4133305-1-oupton@google.com> Message-Id: <20220504032446.4133305-12-oupton@google.com> Mime-Version: 1.0 References: <20220504032446.4133305-1-oupton@google.com> X-Mailer: git-send-email 2.36.0.464.gb9c8b46e94-goog Subject: [PATCH v6 11/12] selftests: KVM: Refactor psci_test to make it amenable to new tests From: Oliver Upton To: kvmarm@lists.cs.columbia.edu Cc: kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, maz@kernel.org, james.morse@arm.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, reijiw@google.com, ricarkol@google.com, Oliver Upton , Andrew Jones Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Split up the current test into several helpers that will be useful to subsequent test cases added to the PSCI test suite. Signed-off-by: Oliver Upton Reviewed-by: Andrew Jones --- .../testing/selftests/kvm/aarch64/psci_test.c | 97 ++++++++++++------- 1 file changed, 60 insertions(+), 37 deletions(-) diff --git a/tools/testing/selftests/kvm/aarch64/psci_test.c b/tools/testing/selftests/kvm/aarch64/psci_test.c index fe1d5d343a2f..535130d5e97f 100644 --- a/tools/testing/selftests/kvm/aarch64/psci_test.c +++ b/tools/testing/selftests/kvm/aarch64/psci_test.c @@ -45,21 +45,6 @@ static uint64_t psci_affinity_info(uint64_t target_affinity, return res.a0; } -static void guest_main(uint64_t target_cpu) -{ - GUEST_ASSERT(!psci_cpu_on(target_cpu, CPU_ON_ENTRY_ADDR, CPU_ON_CONTEXT_ID)); - uint64_t target_state; - - do { - target_state = psci_affinity_info(target_cpu, 0); - - GUEST_ASSERT((target_state == PSCI_0_2_AFFINITY_LEVEL_ON) || - (target_state == PSCI_0_2_AFFINITY_LEVEL_OFF)); - } while (target_state != PSCI_0_2_AFFINITY_LEVEL_ON); - - GUEST_DONE(); -} - static void vcpu_power_off(struct kvm_vm *vm, uint32_t vcpuid) { struct kvm_mp_state mp_state = { @@ -69,12 +54,10 @@ static void vcpu_power_off(struct kvm_vm *vm, uint32_t vcpuid) vcpu_set_mp_state(vm, vcpuid, &mp_state); } -int main(void) +static struct kvm_vm *setup_vm(void *guest_code) { - uint64_t target_mpidr, obs_pc, obs_x0; struct kvm_vcpu_init init; struct kvm_vm *vm; - struct ucall uc; vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES, O_RDWR); kvm_vm_elf_load(vm, program_invocation_name); @@ -83,31 +66,28 @@ int main(void) vm_ioctl(vm, KVM_ARM_PREFERRED_TARGET, &init); init.features[0] |= (1 << KVM_ARM_VCPU_PSCI_0_2); - aarch64_vcpu_add_default(vm, VCPU_ID_SOURCE, &init, guest_main); - aarch64_vcpu_add_default(vm, VCPU_ID_TARGET, &init, guest_main); + aarch64_vcpu_add_default(vm, VCPU_ID_SOURCE, &init, guest_code); + aarch64_vcpu_add_default(vm, VCPU_ID_TARGET, &init, guest_code); - /* - * make sure the target is already off when executing the test. - */ - vcpu_power_off(vm, VCPU_ID_TARGET); + return vm; +} - get_reg(vm, VCPU_ID_TARGET, KVM_ARM64_SYS_REG(SYS_MPIDR_EL1), &target_mpidr); - vcpu_args_set(vm, VCPU_ID_SOURCE, 1, target_mpidr & MPIDR_HWID_BITMASK); - vcpu_run(vm, VCPU_ID_SOURCE); +static void enter_guest(struct kvm_vm *vm, uint32_t vcpuid) +{ + struct ucall uc; - switch (get_ucall(vm, VCPU_ID_SOURCE, &uc)) { - case UCALL_DONE: - break; - case UCALL_ABORT: + vcpu_run(vm, vcpuid); + if (get_ucall(vm, vcpuid, &uc) == UCALL_ABORT) TEST_FAIL("%s at %s:%ld", (const char *)uc.args[0], __FILE__, uc.args[1]); - break; - default: - TEST_FAIL("Unhandled ucall: %lu", uc.cmd); - } +} + +static void assert_vcpu_reset(struct kvm_vm *vm, uint32_t vcpuid) +{ + uint64_t obs_pc, obs_x0; - get_reg(vm, VCPU_ID_TARGET, ARM64_CORE_REG(regs.pc), &obs_pc); - get_reg(vm, VCPU_ID_TARGET, ARM64_CORE_REG(regs.regs[0]), &obs_x0); + get_reg(vm, vcpuid, ARM64_CORE_REG(regs.pc), &obs_pc); + get_reg(vm, vcpuid, ARM64_CORE_REG(regs.regs[0]), &obs_x0); TEST_ASSERT(obs_pc == CPU_ON_ENTRY_ADDR, "unexpected target cpu pc: %lx (expected: %lx)", @@ -115,7 +95,50 @@ int main(void) TEST_ASSERT(obs_x0 == CPU_ON_CONTEXT_ID, "unexpected target context id: %lx (expected: %lx)", obs_x0, CPU_ON_CONTEXT_ID); +} + +static void guest_test_cpu_on(uint64_t target_cpu) +{ + uint64_t target_state; + + GUEST_ASSERT(!psci_cpu_on(target_cpu, CPU_ON_ENTRY_ADDR, CPU_ON_CONTEXT_ID)); + + do { + target_state = psci_affinity_info(target_cpu, 0); + + GUEST_ASSERT((target_state == PSCI_0_2_AFFINITY_LEVEL_ON) || + (target_state == PSCI_0_2_AFFINITY_LEVEL_OFF)); + } while (target_state != PSCI_0_2_AFFINITY_LEVEL_ON); + + GUEST_DONE(); +} + +static void host_test_cpu_on(void) +{ + uint64_t target_mpidr; + struct kvm_vm *vm; + struct ucall uc; + + vm = setup_vm(guest_test_cpu_on); + + /* + * make sure the target is already off when executing the test. + */ + vcpu_power_off(vm, VCPU_ID_TARGET); + + get_reg(vm, VCPU_ID_TARGET, KVM_ARM64_SYS_REG(SYS_MPIDR_EL1), &target_mpidr); + vcpu_args_set(vm, VCPU_ID_SOURCE, 1, target_mpidr & MPIDR_HWID_BITMASK); + enter_guest(vm, VCPU_ID_SOURCE); + + if (get_ucall(vm, VCPU_ID_SOURCE, &uc) != UCALL_DONE) + TEST_FAIL("Unhandled ucall: %lu", uc.cmd); + assert_vcpu_reset(vm, VCPU_ID_TARGET); kvm_vm_free(vm); +} + +int main(void) +{ + host_test_cpu_on(); return 0; } -- 2.36.0.464.gb9c8b46e94-goog From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59C0EC4332F for ; Wed, 4 May 2022 03:25:17 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 10BF94B120; Tue, 3 May 2022 23:25:17 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@google.com Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 5mPetQ4UZmUC; Tue, 3 May 2022 23:25:15 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id E40184B252; Tue, 3 May 2022 23:25:14 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id E46574B0DE for ; 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Tue, 03 May 2022 20:25:11 -0700 (PDT) Date: Wed, 4 May 2022 03:24:45 +0000 In-Reply-To: <20220504032446.4133305-1-oupton@google.com> Message-Id: <20220504032446.4133305-12-oupton@google.com> Mime-Version: 1.0 References: <20220504032446.4133305-1-oupton@google.com> X-Mailer: git-send-email 2.36.0.464.gb9c8b46e94-goog Subject: [PATCH v6 11/12] selftests: KVM: Refactor psci_test to make it amenable to new tests From: Oliver Upton To: kvmarm@lists.cs.columbia.edu Cc: kvm@vger.kernel.org, maz@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Split up the current test into several helpers that will be useful to subsequent test cases added to the PSCI test suite. Signed-off-by: Oliver Upton Reviewed-by: Andrew Jones --- .../testing/selftests/kvm/aarch64/psci_test.c | 97 ++++++++++++------- 1 file changed, 60 insertions(+), 37 deletions(-) diff --git a/tools/testing/selftests/kvm/aarch64/psci_test.c b/tools/testing/selftests/kvm/aarch64/psci_test.c index fe1d5d343a2f..535130d5e97f 100644 --- a/tools/testing/selftests/kvm/aarch64/psci_test.c +++ b/tools/testing/selftests/kvm/aarch64/psci_test.c @@ -45,21 +45,6 @@ static uint64_t psci_affinity_info(uint64_t target_affinity, return res.a0; } -static void guest_main(uint64_t target_cpu) -{ - GUEST_ASSERT(!psci_cpu_on(target_cpu, CPU_ON_ENTRY_ADDR, CPU_ON_CONTEXT_ID)); - uint64_t target_state; - - do { - target_state = psci_affinity_info(target_cpu, 0); - - GUEST_ASSERT((target_state == PSCI_0_2_AFFINITY_LEVEL_ON) || - (target_state == PSCI_0_2_AFFINITY_LEVEL_OFF)); - } while (target_state != PSCI_0_2_AFFINITY_LEVEL_ON); - - GUEST_DONE(); -} - static void vcpu_power_off(struct kvm_vm *vm, uint32_t vcpuid) { struct kvm_mp_state mp_state = { @@ -69,12 +54,10 @@ static void vcpu_power_off(struct kvm_vm *vm, uint32_t vcpuid) vcpu_set_mp_state(vm, vcpuid, &mp_state); } -int main(void) +static struct kvm_vm *setup_vm(void *guest_code) { - uint64_t target_mpidr, obs_pc, obs_x0; struct kvm_vcpu_init init; struct kvm_vm *vm; - struct ucall uc; vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES, O_RDWR); kvm_vm_elf_load(vm, program_invocation_name); @@ -83,31 +66,28 @@ int main(void) vm_ioctl(vm, KVM_ARM_PREFERRED_TARGET, &init); init.features[0] |= (1 << KVM_ARM_VCPU_PSCI_0_2); - aarch64_vcpu_add_default(vm, VCPU_ID_SOURCE, &init, guest_main); - aarch64_vcpu_add_default(vm, VCPU_ID_TARGET, &init, guest_main); + aarch64_vcpu_add_default(vm, VCPU_ID_SOURCE, &init, guest_code); + aarch64_vcpu_add_default(vm, VCPU_ID_TARGET, &init, guest_code); - /* - * make sure the target is already off when executing the test. - */ - vcpu_power_off(vm, VCPU_ID_TARGET); + return vm; +} - get_reg(vm, VCPU_ID_TARGET, KVM_ARM64_SYS_REG(SYS_MPIDR_EL1), &target_mpidr); - vcpu_args_set(vm, VCPU_ID_SOURCE, 1, target_mpidr & MPIDR_HWID_BITMASK); - vcpu_run(vm, VCPU_ID_SOURCE); +static void enter_guest(struct kvm_vm *vm, uint32_t vcpuid) +{ + struct ucall uc; - switch (get_ucall(vm, VCPU_ID_SOURCE, &uc)) { - case UCALL_DONE: - break; - case UCALL_ABORT: + vcpu_run(vm, vcpuid); + if (get_ucall(vm, vcpuid, &uc) == UCALL_ABORT) TEST_FAIL("%s at %s:%ld", (const char *)uc.args[0], __FILE__, uc.args[1]); - break; - default: - TEST_FAIL("Unhandled ucall: %lu", uc.cmd); - } +} + +static void assert_vcpu_reset(struct kvm_vm *vm, uint32_t vcpuid) +{ + uint64_t obs_pc, obs_x0; - get_reg(vm, VCPU_ID_TARGET, ARM64_CORE_REG(regs.pc), &obs_pc); - get_reg(vm, VCPU_ID_TARGET, ARM64_CORE_REG(regs.regs[0]), &obs_x0); + get_reg(vm, vcpuid, ARM64_CORE_REG(regs.pc), &obs_pc); + get_reg(vm, vcpuid, ARM64_CORE_REG(regs.regs[0]), &obs_x0); TEST_ASSERT(obs_pc == CPU_ON_ENTRY_ADDR, "unexpected target cpu pc: %lx (expected: %lx)", @@ -115,7 +95,50 @@ int main(void) TEST_ASSERT(obs_x0 == CPU_ON_CONTEXT_ID, "unexpected target context id: %lx (expected: %lx)", obs_x0, CPU_ON_CONTEXT_ID); +} + +static void guest_test_cpu_on(uint64_t target_cpu) +{ + uint64_t target_state; + + GUEST_ASSERT(!psci_cpu_on(target_cpu, CPU_ON_ENTRY_ADDR, CPU_ON_CONTEXT_ID)); + + do { + target_state = psci_affinity_info(target_cpu, 0); + + GUEST_ASSERT((target_state == PSCI_0_2_AFFINITY_LEVEL_ON) || + (target_state == PSCI_0_2_AFFINITY_LEVEL_OFF)); + } while (target_state != PSCI_0_2_AFFINITY_LEVEL_ON); + + GUEST_DONE(); +} + +static void host_test_cpu_on(void) +{ + uint64_t target_mpidr; + struct kvm_vm *vm; + struct ucall uc; + + vm = setup_vm(guest_test_cpu_on); + + /* + * make sure the target is already off when executing the test. + */ + vcpu_power_off(vm, VCPU_ID_TARGET); + + get_reg(vm, VCPU_ID_TARGET, KVM_ARM64_SYS_REG(SYS_MPIDR_EL1), &target_mpidr); + vcpu_args_set(vm, VCPU_ID_SOURCE, 1, target_mpidr & MPIDR_HWID_BITMASK); + enter_guest(vm, VCPU_ID_SOURCE); + + if (get_ucall(vm, VCPU_ID_SOURCE, &uc) != UCALL_DONE) + TEST_FAIL("Unhandled ucall: %lu", uc.cmd); + assert_vcpu_reset(vm, VCPU_ID_TARGET); kvm_vm_free(vm); +} + +int main(void) +{ + host_test_cpu_on(); return 0; 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Tue, 03 May 2022 20:25:11 -0700 (PDT) Date: Wed, 4 May 2022 03:24:45 +0000 In-Reply-To: <20220504032446.4133305-1-oupton@google.com> Message-Id: <20220504032446.4133305-12-oupton@google.com> Mime-Version: 1.0 References: <20220504032446.4133305-1-oupton@google.com> X-Mailer: git-send-email 2.36.0.464.gb9c8b46e94-goog Subject: [PATCH v6 11/12] selftests: KVM: Refactor psci_test to make it amenable to new tests From: Oliver Upton To: kvmarm@lists.cs.columbia.edu Cc: kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, maz@kernel.org, james.morse@arm.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, reijiw@google.com, ricarkol@google.com, Oliver Upton , Andrew Jones X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220503_202513_022181_D64D4762 X-CRM114-Status: GOOD ( 15.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Split up the current test into several helpers that will be useful to subsequent test cases added to the PSCI test suite. Signed-off-by: Oliver Upton Reviewed-by: Andrew Jones --- .../testing/selftests/kvm/aarch64/psci_test.c | 97 ++++++++++++------- 1 file changed, 60 insertions(+), 37 deletions(-) diff --git a/tools/testing/selftests/kvm/aarch64/psci_test.c b/tools/testing/selftests/kvm/aarch64/psci_test.c index fe1d5d343a2f..535130d5e97f 100644 --- a/tools/testing/selftests/kvm/aarch64/psci_test.c +++ b/tools/testing/selftests/kvm/aarch64/psci_test.c @@ -45,21 +45,6 @@ static uint64_t psci_affinity_info(uint64_t target_affinity, return res.a0; } -static void guest_main(uint64_t target_cpu) -{ - GUEST_ASSERT(!psci_cpu_on(target_cpu, CPU_ON_ENTRY_ADDR, CPU_ON_CONTEXT_ID)); - uint64_t target_state; - - do { - target_state = psci_affinity_info(target_cpu, 0); - - GUEST_ASSERT((target_state == PSCI_0_2_AFFINITY_LEVEL_ON) || - (target_state == PSCI_0_2_AFFINITY_LEVEL_OFF)); - } while (target_state != PSCI_0_2_AFFINITY_LEVEL_ON); - - GUEST_DONE(); -} - static void vcpu_power_off(struct kvm_vm *vm, uint32_t vcpuid) { struct kvm_mp_state mp_state = { @@ -69,12 +54,10 @@ static void vcpu_power_off(struct kvm_vm *vm, uint32_t vcpuid) vcpu_set_mp_state(vm, vcpuid, &mp_state); } -int main(void) +static struct kvm_vm *setup_vm(void *guest_code) { - uint64_t target_mpidr, obs_pc, obs_x0; struct kvm_vcpu_init init; struct kvm_vm *vm; - struct ucall uc; vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES, O_RDWR); kvm_vm_elf_load(vm, program_invocation_name); @@ -83,31 +66,28 @@ int main(void) vm_ioctl(vm, KVM_ARM_PREFERRED_TARGET, &init); init.features[0] |= (1 << KVM_ARM_VCPU_PSCI_0_2); - aarch64_vcpu_add_default(vm, VCPU_ID_SOURCE, &init, guest_main); - aarch64_vcpu_add_default(vm, VCPU_ID_TARGET, &init, guest_main); + aarch64_vcpu_add_default(vm, VCPU_ID_SOURCE, &init, guest_code); + aarch64_vcpu_add_default(vm, VCPU_ID_TARGET, &init, guest_code); - /* - * make sure the target is already off when executing the test. - */ - vcpu_power_off(vm, VCPU_ID_TARGET); + return vm; +} - get_reg(vm, VCPU_ID_TARGET, KVM_ARM64_SYS_REG(SYS_MPIDR_EL1), &target_mpidr); - vcpu_args_set(vm, VCPU_ID_SOURCE, 1, target_mpidr & MPIDR_HWID_BITMASK); - vcpu_run(vm, VCPU_ID_SOURCE); +static void enter_guest(struct kvm_vm *vm, uint32_t vcpuid) +{ + struct ucall uc; - switch (get_ucall(vm, VCPU_ID_SOURCE, &uc)) { - case UCALL_DONE: - break; - case UCALL_ABORT: + vcpu_run(vm, vcpuid); + if (get_ucall(vm, vcpuid, &uc) == UCALL_ABORT) TEST_FAIL("%s at %s:%ld", (const char *)uc.args[0], __FILE__, uc.args[1]); - break; - default: - TEST_FAIL("Unhandled ucall: %lu", uc.cmd); - } +} + +static void assert_vcpu_reset(struct kvm_vm *vm, uint32_t vcpuid) +{ + uint64_t obs_pc, obs_x0; - get_reg(vm, VCPU_ID_TARGET, ARM64_CORE_REG(regs.pc), &obs_pc); - get_reg(vm, VCPU_ID_TARGET, ARM64_CORE_REG(regs.regs[0]), &obs_x0); + get_reg(vm, vcpuid, ARM64_CORE_REG(regs.pc), &obs_pc); + get_reg(vm, vcpuid, ARM64_CORE_REG(regs.regs[0]), &obs_x0); TEST_ASSERT(obs_pc == CPU_ON_ENTRY_ADDR, "unexpected target cpu pc: %lx (expected: %lx)", @@ -115,7 +95,50 @@ int main(void) TEST_ASSERT(obs_x0 == CPU_ON_CONTEXT_ID, "unexpected target context id: %lx (expected: %lx)", obs_x0, CPU_ON_CONTEXT_ID); +} + +static void guest_test_cpu_on(uint64_t target_cpu) +{ + uint64_t target_state; + + GUEST_ASSERT(!psci_cpu_on(target_cpu, CPU_ON_ENTRY_ADDR, CPU_ON_CONTEXT_ID)); + + do { + target_state = psci_affinity_info(target_cpu, 0); + + GUEST_ASSERT((target_state == PSCI_0_2_AFFINITY_LEVEL_ON) || + (target_state == PSCI_0_2_AFFINITY_LEVEL_OFF)); + } while (target_state != PSCI_0_2_AFFINITY_LEVEL_ON); + + GUEST_DONE(); +} + +static void host_test_cpu_on(void) +{ + uint64_t target_mpidr; + struct kvm_vm *vm; + struct ucall uc; + + vm = setup_vm(guest_test_cpu_on); + + /* + * make sure the target is already off when executing the test. + */ + vcpu_power_off(vm, VCPU_ID_TARGET); + + get_reg(vm, VCPU_ID_TARGET, KVM_ARM64_SYS_REG(SYS_MPIDR_EL1), &target_mpidr); + vcpu_args_set(vm, VCPU_ID_SOURCE, 1, target_mpidr & MPIDR_HWID_BITMASK); + enter_guest(vm, VCPU_ID_SOURCE); + + if (get_ucall(vm, VCPU_ID_SOURCE, &uc) != UCALL_DONE) + TEST_FAIL("Unhandled ucall: %lu", uc.cmd); + assert_vcpu_reset(vm, VCPU_ID_TARGET); kvm_vm_free(vm); +} + +int main(void) +{ + host_test_cpu_on(); return 0; } -- 2.36.0.464.gb9c8b46e94-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel