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Tsirkin" , Peter Maydell , Marcel Apfelbaum , Paolo Bonzini , Phil Dennis-Jordan , Alexander Graf , Igor Mammedov , Cameron Esfahani , Akihiko Odaki , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-arm@nongnu.org, Shannon Zhao , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Zhao Liu , Roman Bolshakov , Ani Sinha , Pedro Barbuda , Richard Henderson , Yanan Wang , Pierrick Bouvier Subject: [PATCH v17 16/21] hw/arm, accel/hvf, whpx: unify get_physical_address_range between WHPX and HVF Date: Wed, 21 Jan 2026 14:41:07 +0100 Message-ID: <20260121134114.9781-17-mohamed@unpredictable.fr> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260121134114.9781-1-mohamed@unpredictable.fr> References: <20260121134114.9781-1-mohamed@unpredictable.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTIxMDExNSBTYWx0ZWRfXwgbxlu8gp3fH rgD8W03JZ4YHMIqddgw81Uw00+RidCUJeD4SHp4rS33X1QqYUZDZAESXQGBTIDpg083+eu2JkrG Eq799gA3dU8FH0N0yhV+MjyO35k7cdmNtq5Lpsjwi8aesh3ATMt+3MLNUf35lyT9EtXS4NPeNT/ ImIoIjvXdRQtesSCMKizO4UYMHe1TsI0wTwKwy6lxz7dXPYRejktqbvNzArA3YNf58s5aQ64fSY Ju/7SjJkugwcHlLpAtq0t9amtEf6V+yby+HlkhbbM+Kchk7Q0v4/OJJ1gk1Qs41Tr13qUjM+Wwb pqjcUkbRYSQe370G8HY X-Authority-Info-Out: v=2.4 cv=SoudKfO0 c=1 sm=1 tr=0 ts=6970d7ad cx=c_apl:c_apl_out:c_pps a=bsP7O+dXZ5uKcj+dsLqiMw==:117 a=bsP7O+dXZ5uKcj+dsLqiMw==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=VkNPw1HP01LnGYTKEx00:22 a=KKAkSRfTAAAA:8 a=2TttH9MEl-kxELt7c1gA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-ORIG-GUID: T1CQe07jGDfzXOuou0eJjtPLzfKJSXRv X-Proofpoint-GUID: T1CQe07jGDfzXOuou0eJjtPLzfKJSXRv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.20,FMLib:17.12.100.49 definitions=2026-01-21_01,2026-01-20_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 malwarescore=0 phishscore=0 spamscore=0 suspectscore=0 adultscore=0 mlxscore=0 clxscore=1030 mlxlogscore=999 classifier=spam authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2601210115 X-JNJ: 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 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=57.103.87.13; envelope-from=mohamed@unpredictable.fr; helo=outbound.qs.icloud.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-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: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @unpredictable.fr) X-ZM-MESSAGEID: 1769003151748158500 Signed-off-by: Mohamed Mediouni Reviewed-by: Pierrick Bouvier Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- accel/hvf/hvf-all.c | 7 +++++-- hw/arm/virt.c | 43 +++++--------------------------------- include/hw/core/boards.h | 4 ++-- include/system/hvf_int.h | 4 ++++ target/arm/hvf-stub.c | 20 ------------------ target/arm/hvf/hvf.c | 6 +++--- target/arm/hvf_arm.h | 3 --- target/arm/meson.build | 1 - target/arm/whpx/whpx-all.c | 5 +++-- target/i386/hvf/hvf.c | 11 ++++++++++ 10 files changed, 33 insertions(+), 71 deletions(-) delete mode 100644 target/arm/hvf-stub.c diff --git a/accel/hvf/hvf-all.c b/accel/hvf/hvf-all.c index 0fbe27dfa2..033c677b6f 100644 --- a/accel/hvf/hvf-all.c +++ b/accel/hvf/hvf-all.c @@ -18,6 +18,7 @@ #include "system/hvf_int.h" #include "hw/core/cpu.h" #include "hw/core/boards.h" +#include "target/arm/hvf_arm.h" #include "trace.h" =20 bool hvf_allowed; @@ -186,8 +187,10 @@ static int hvf_accel_init(AccelState *as, MachineState= *ms) int pa_range =3D 36; MachineClass *mc =3D MACHINE_GET_CLASS(ms); =20 - if (mc->hvf_get_physical_address_range) { - pa_range =3D mc->hvf_get_physical_address_range(ms); + + if (mc->get_physical_address_range) { + pa_range =3D mc->get_physical_address_range(ms, + hvf_arch_get_default_ipa_bit_size(), hvf_arch_get_max_ipa_bit_= size()); if (pa_range < 0) { return -EINVAL; } diff --git a/hw/arm/virt.c b/hw/arm/virt.c index d132a9e995..55cdd67657 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -3355,43 +3355,11 @@ static int virt_kvm_type(MachineState *ms, const ch= ar *type_str) return fixed_ipa ? 0 : requested_pa_size; } =20 -static int virt_whpx_get_physical_address_range(MachineState *ms) +static int virt_get_physical_address_range(MachineState *ms, + int default_ipa_size, int max_ipa_size) { VirtMachineState *vms =3D VIRT_MACHINE(ms); =20 - int max_ipa_size =3D whpx_arm_get_ipa_bit_size(); - - /* We freeze the memory map to compute the highest gpa */ - virt_set_memmap(vms, max_ipa_size); - - int requested_ipa_size =3D 64 - clz64(vms->highest_gpa); - - /* - * If we're <=3D the default IPA size just use the default. - * If we're above the default but below the maximum, round up to - * the maximum. whpx_arm_get_max_ipa_bit_size() conveniently only - * returns values that are valid ARM PARange values. - */ - if (requested_ipa_size <=3D max_ipa_size) { - requested_ipa_size =3D max_ipa_size; - } else { - error_report("-m and ,maxmem option values " - "require an IPA range (%d bits) larger than " - "the one supported by the host (%d bits)", - requested_ipa_size, max_ipa_size); - return -1; - } - - return requested_ipa_size; -} - -static int virt_hvf_get_physical_address_range(MachineState *ms) -{ - VirtMachineState *vms =3D VIRT_MACHINE(ms); - - int default_ipa_size =3D hvf_arm_get_default_ipa_bit_size(); - int max_ipa_size =3D hvf_arm_get_max_ipa_bit_size(); - /* We freeze the memory map to compute the highest gpa */ virt_set_memmap(vms, max_ipa_size); =20 @@ -3400,8 +3368,8 @@ static int virt_hvf_get_physical_address_range(Machin= eState *ms) /* * If we're <=3D the default IPA size just use the default. * If we're above the default but below the maximum, round up to - * the maximum. hvf_arm_get_max_ipa_bit_size() conveniently only - * returns values that are valid ARM PARange values. + * the maximum. hvf/whpx_arch_get_max_ipa_bit_size() conveniently only + * return values that are valid ARM PARange values. */ if (requested_ipa_size <=3D default_ipa_size) { requested_ipa_size =3D default_ipa_size; @@ -3483,8 +3451,7 @@ static void virt_machine_class_init(ObjectClass *oc, = const void *data) mc->get_valid_cpu_types =3D virt_get_valid_cpu_types; mc->get_default_cpu_node_id =3D virt_get_default_cpu_node_id; mc->kvm_type =3D virt_kvm_type; - mc->hvf_get_physical_address_range =3D virt_hvf_get_physical_address_r= ange; - mc->whpx_get_physical_address_range =3D virt_whpx_get_physical_address= _range; + mc->get_physical_address_range =3D virt_get_physical_address_range; assert(!mc->get_hotplug_handler); mc->get_hotplug_handler =3D virt_machine_get_hotplug_handler; hc->pre_plug =3D virt_machine_device_pre_plug_cb; diff --git a/include/hw/core/boards.h b/include/hw/core/boards.h index 0b2aefb126..26e0879e1a 100644 --- a/include/hw/core/boards.h +++ b/include/hw/core/boards.h @@ -277,8 +277,8 @@ struct MachineClass { void (*reset)(MachineState *state, ResetType type); void (*wakeup)(MachineState *state); int (*kvm_type)(MachineState *machine, const char *arg); - int (*hvf_get_physical_address_range)(MachineState *machine); - int (*whpx_get_physical_address_range)(MachineState *machine); + int (*get_physical_address_range)(MachineState *machine, + int default_ipa_size, int max_ipa_size); =20 BlockInterfaceType block_default_type; int units_per_default_bus; diff --git a/include/system/hvf_int.h b/include/system/hvf_int.h index 96790b4938..2621164cb2 100644 --- a/include/system/hvf_int.h +++ b/include/system/hvf_int.h @@ -57,6 +57,8 @@ void assert_hvf_ok_impl(hv_return_t ret, const char *file= , unsigned int line, const char *hvf_return_string(hv_return_t ret); int hvf_arch_init(void); hv_return_t hvf_arch_vm_create(MachineState *ms, uint32_t pa_range); +uint32_t hvf_arch_get_default_ipa_bit_size(void); +uint32_t hvf_arch_get_max_ipa_bit_size(void); void hvf_kick_vcpu_thread(CPUState *cpu); =20 /* Must be called by the owning thread */ @@ -107,5 +109,7 @@ int hvf_update_guest_debug(CPUState *cpu); bool hvf_arch_supports_guest_debug(void); =20 bool hvf_arch_cpu_realize(CPUState *cpu, Error **errp); +uint32_t hvf_arch_get_default_ipa_bit_size(void); +uint32_t hvf_arch_get_max_ipa_bit_size(void); =20 #endif diff --git a/target/arm/hvf-stub.c b/target/arm/hvf-stub.c deleted file mode 100644 index ff137267a0..0000000000 --- a/target/arm/hvf-stub.c +++ /dev/null @@ -1,20 +0,0 @@ -/* - * QEMU Hypervisor.framework (HVF) stubs for ARM - * - * Copyright (c) Linaro - * - * SPDX-License-Identifier: GPL-2.0-or-later - */ - -#include "qemu/osdep.h" -#include "hvf_arm.h" - -uint32_t hvf_arm_get_default_ipa_bit_size(void) -{ - g_assert_not_reached(); -} - -uint32_t hvf_arm_get_max_ipa_bit_size(void) -{ - g_assert_not_reached(); -} diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c index e4c0d936f1..74b6f5e7db 100644 --- a/target/arm/hvf/hvf.c +++ b/target/arm/hvf/hvf.c @@ -729,7 +729,7 @@ static uint64_t hvf_get_reg(CPUState *cpu, int rt) static void clamp_id_aa64mmfr0_parange_to_ipa_size(ARMISARegisters *isar) { uint32_t ipa_size =3D chosen_ipa_bit_size ? - chosen_ipa_bit_size : hvf_arm_get_max_ipa_bit_size(); + chosen_ipa_bit_size : hvf_arch_get_max_ipa_bit_size(); uint64_t id_aa64mmfr0; =20 /* Clamp down the PARange to the IPA size the kernel supports. */ @@ -825,7 +825,7 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFea= tures *ahcf) return r =3D=3D HV_SUCCESS; } =20 -uint32_t hvf_arm_get_default_ipa_bit_size(void) +uint32_t hvf_arch_get_default_ipa_bit_size(void) { uint32_t default_ipa_size; hv_return_t ret =3D hv_vm_config_get_default_ipa_size(&default_ipa_siz= e); @@ -834,7 +834,7 @@ uint32_t hvf_arm_get_default_ipa_bit_size(void) return default_ipa_size; } =20 -uint32_t hvf_arm_get_max_ipa_bit_size(void) +uint32_t hvf_arch_get_max_ipa_bit_size(void) { uint32_t max_ipa_size; hv_return_t ret =3D hv_vm_config_get_max_ipa_size(&max_ipa_size); diff --git a/target/arm/hvf_arm.h b/target/arm/hvf_arm.h index ea82f2691d..5d19d82e5d 100644 --- a/target/arm/hvf_arm.h +++ b/target/arm/hvf_arm.h @@ -22,7 +22,4 @@ void hvf_arm_init_debug(void); =20 void hvf_arm_set_cpu_features_from_host(ARMCPU *cpu); =20 -uint32_t hvf_arm_get_default_ipa_bit_size(void); -uint32_t hvf_arm_get_max_ipa_bit_size(void); - #endif diff --git a/target/arm/meson.build b/target/arm/meson.build index ce155ba9b4..1ddc4b2a54 100644 --- a/target/arm/meson.build +++ b/target/arm/meson.build @@ -41,7 +41,6 @@ arm_common_system_ss.add(files('cpu.c')) arm_common_system_ss.add(when: 'TARGET_AARCH64', if_false: files( 'cpu32-stubs.c')) arm_common_system_ss.add(when: 'CONFIG_KVM', if_false: files('kvm-stub.c')) -arm_common_system_ss.add(when: 'CONFIG_HVF', if_false: files('hvf-stub.c')) arm_common_system_ss.add(when: 'CONFIG_ARM_COMPATIBLE_SEMIHOSTING', if_true: files('common-semi-target.c')) arm_common_system_ss.add(files( diff --git a/target/arm/whpx/whpx-all.c b/target/arm/whpx/whpx-all.c index 850f6ec81f..6067918b27 100644 --- a/target/arm/whpx/whpx-all.c +++ b/target/arm/whpx/whpx-all.c @@ -770,8 +770,9 @@ int whpx_accel_init(AccelState *as, MachineState *ms) goto error; } =20 - if (mc->whpx_get_physical_address_range) { - pa_range =3D mc->whpx_get_physical_address_range(ms); + if (mc->get_physical_address_range) { + pa_range =3D mc->get_physical_address_range(ms, + whpx_arm_get_ipa_bit_size(), whpx_arm_get_ipa_bit_size()); if (pa_range < 0) { return -EINVAL; } diff --git a/target/i386/hvf/hvf.c b/target/i386/hvf/hvf.c index 7cfaee389e..ce54020f00 100644 --- a/target/i386/hvf/hvf.c +++ b/target/i386/hvf/hvf.c @@ -228,6 +228,17 @@ int hvf_arch_init(void) return 0; } =20 +/* 48-bit on all Intel Macs. Function currently unused. */ +uint32_t hvf_arch_get_default_ipa_bit_size(void) +{ + g_assert_not_reached(); +} + +uint32_t hvf_arch_get_max_ipa_bit_size(void) +{ + g_assert_not_reached(); +} + hv_return_t hvf_arch_vm_create(MachineState *ms, uint32_t pa_range) { return hv_vm_create(HV_VM_DEFAULT); --=20 2.50.1 (Apple Git-155)