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Tsirkin" , Cornelia Huck , Paolo Bonzini , Vladimir Sementsov-Ogievskiy , =?utf-8?q?C=C3=A9?= =?utf-8?q?dric_Le_Goater?= , Yishai Hadas , Jason Gunthorpe , Maor Gottlieb , Avihai Horon , Kirti Wankhede , Tarun Gupta , Joao Martins Subject: [PATCH v10 08/12] vfio/migration: Rename functions/structs related to v1 protocol Date: Thu, 9 Feb 2023 21:20:39 +0200 Message-ID: <20230209192043.14885-9-avihaih@nvidia.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20230209192043.14885-1-avihaih@nvidia.com> References: <20230209192043.14885-1-avihaih@nvidia.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0000E630:EE_|IA1PR12MB7709:EE_ X-MS-Office365-Filtering-Correlation-Id: 36a4967b-d669-4525-6522-08db0ad2db94 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.233; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc7edge2.nvidia.com; CAT:NONE; SFS:(13230025)(4636009)(39860400002)(376002)(346002)(136003)(396003)(451199018)(40470700004)(36840700001)(46966006)(5660300002)(30864003)(7416002)(6916009)(86362001)(2906002)(8936002)(41300700001)(8676002)(40480700001)(70206006)(4326008)(426003)(70586007)(36756003)(83380400001)(336012)(47076005)(66574015)(6666004)(40460700003)(7696005)(1076003)(26005)(478600001)(186003)(2616005)(7636003)(316002)(36860700001)(54906003)(82740400003)(356005)(82310400005); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Feb 2023 19:21:34.5152 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 36a4967b-d669-4525-6522-08db0ad2db94 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.118.233]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF0000E630.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB7709 Received-SPF: softfail client-ip=2a01:111:f400:7e8d::61d; envelope-from=avihaih@nvidia.com; helo=NAM04-BN8-obe.outbound.protection.outlook.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org To avoid name collisions, rename functions and structs related to VFIO migration protocol v1. This will allow the two protocols to co-exist when v2 protocol is added, until v1 is removed. No functional changes intended. Signed-off-by: Avihai Horon Reviewed-by: Cédric Le Goater --- include/hw/vfio/vfio-common.h | 2 +- hw/vfio/common.c | 6 +- hw/vfio/migration.c | 107 +++++++++++++++++----------------- hw/vfio/trace-events | 12 ++-- 4 files changed, 63 insertions(+), 64 deletions(-) diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index 56b1683824..2c0fb1d622 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -62,7 +62,7 @@ typedef struct VFIOMigration { struct VFIODevice *vbasedev; VMChangeStateEntry *vm_state; VFIORegion region; - uint32_t device_state; + uint32_t device_state_v1; int vm_running; Notifier migration_state; uint64_t pending_bytes; diff --git a/hw/vfio/common.c b/hw/vfio/common.c index fe80ccf914..1c974e9c5a 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -408,8 +408,8 @@ static bool vfio_devices_all_dirty_tracking(VFIOContainer *container) return false; } - if ((vbasedev->pre_copy_dirty_page_tracking == ON_OFF_AUTO_OFF) - && (migration->device_state & VFIO_DEVICE_STATE_V1_RUNNING)) { + if ((vbasedev->pre_copy_dirty_page_tracking == ON_OFF_AUTO_OFF) && + (migration->device_state_v1 & VFIO_DEVICE_STATE_V1_RUNNING)) { return false; } } @@ -438,7 +438,7 @@ static bool vfio_devices_all_running_and_mig_active(VFIOContainer *container) return false; } - if (migration->device_state & VFIO_DEVICE_STATE_V1_RUNNING) { + if (migration->device_state_v1 & VFIO_DEVICE_STATE_V1_RUNNING) { continue; } else { return false; diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c index ca64551cc9..6b5a00d2ad 100644 --- a/hw/vfio/migration.c +++ b/hw/vfio/migration.c @@ -107,8 +107,8 @@ static int vfio_mig_rw(VFIODevice *vbasedev, __u8 *buf, size_t count, * an error is returned. */ -static int vfio_migration_set_state(VFIODevice *vbasedev, uint32_t mask, - uint32_t value) +static int vfio_migration_v1_set_state(VFIODevice *vbasedev, uint32_t mask, + uint32_t value) { VFIOMigration *migration = vbasedev->migration; VFIORegion *region = &migration->region; @@ -145,8 +145,8 @@ static int vfio_migration_set_state(VFIODevice *vbasedev, uint32_t mask, return ret; } - migration->device_state = device_state; - trace_vfio_migration_set_state(vbasedev->name, device_state); + migration->device_state_v1 = device_state; + trace_vfio_migration_v1_set_state(vbasedev->name, device_state); return 0; } @@ -260,8 +260,8 @@ static int vfio_save_buffer(QEMUFile *f, VFIODevice *vbasedev, uint64_t *size) return ret; } -static int vfio_load_buffer(QEMUFile *f, VFIODevice *vbasedev, - uint64_t data_size) +static int vfio_v1_load_buffer(QEMUFile *f, VFIODevice *vbasedev, + uint64_t data_size) { VFIORegion *region = &vbasedev->migration->region; uint64_t data_offset = 0, size, report_size; @@ -288,7 +288,7 @@ static int vfio_load_buffer(QEMUFile *f, VFIODevice *vbasedev, data_size = 0; } - trace_vfio_load_state_device_data(vbasedev->name, data_offset, size); + trace_vfio_v1_load_state_device_data(vbasedev->name, data_offset, size); while (size) { void *buf; @@ -394,7 +394,7 @@ static int vfio_load_device_config_state(QEMUFile *f, void *opaque) return qemu_file_get_error(f); } -static void vfio_migration_cleanup(VFIODevice *vbasedev) +static void vfio_migration_v1_cleanup(VFIODevice *vbasedev) { VFIOMigration *migration = vbasedev->migration; @@ -405,13 +405,13 @@ static void vfio_migration_cleanup(VFIODevice *vbasedev) /* ---------------------------------------------------------------------- */ -static int vfio_save_setup(QEMUFile *f, void *opaque) +static int vfio_v1_save_setup(QEMUFile *f, void *opaque) { VFIODevice *vbasedev = opaque; VFIOMigration *migration = vbasedev->migration; int ret; - trace_vfio_save_setup(vbasedev->name); + trace_vfio_v1_save_setup(vbasedev->name); qemu_put_be64(f, VFIO_MIG_FLAG_DEV_SETUP_STATE); @@ -431,8 +431,8 @@ static int vfio_save_setup(QEMUFile *f, void *opaque) } } - ret = vfio_migration_set_state(vbasedev, VFIO_DEVICE_STATE_MASK, - VFIO_DEVICE_STATE_V1_SAVING); + ret = vfio_migration_v1_set_state(vbasedev, VFIO_DEVICE_STATE_MASK, + VFIO_DEVICE_STATE_V1_SAVING); if (ret) { error_report("%s: Failed to set state SAVING", vbasedev->name); return ret; @@ -448,18 +448,17 @@ static int vfio_save_setup(QEMUFile *f, void *opaque) return 0; } -static void vfio_save_cleanup(void *opaque) +static void vfio_v1_save_cleanup(void *opaque) { VFIODevice *vbasedev = opaque; - vfio_migration_cleanup(vbasedev); + vfio_migration_v1_cleanup(vbasedev); trace_vfio_save_cleanup(vbasedev->name); } -static void vfio_state_pending(void *opaque, - uint64_t *res_precopy_only, - uint64_t *res_compatible, - uint64_t *res_postcopy_only) +static void vfio_v1_state_pending(void *opaque, uint64_t *res_precopy_only, + uint64_t *res_compatible, + uint64_t *res_postcopy_only) { VFIODevice *vbasedev = opaque; VFIOMigration *migration = vbasedev->migration; @@ -472,8 +471,8 @@ static void vfio_state_pending(void *opaque, *res_precopy_only += migration->pending_bytes; - trace_vfio_state_pending(vbasedev->name, *res_precopy_only, - *res_postcopy_only, *res_compatible); + trace_vfio_v1_state_pending(vbasedev->name, *res_precopy_only, + *res_postcopy_only, *res_compatible); } static int vfio_save_iterate(QEMUFile *f, void *opaque) @@ -523,15 +522,15 @@ static int vfio_save_iterate(QEMUFile *f, void *opaque) return 0; } -static int vfio_save_complete_precopy(QEMUFile *f, void *opaque) +static int vfio_v1_save_complete_precopy(QEMUFile *f, void *opaque) { VFIODevice *vbasedev = opaque; VFIOMigration *migration = vbasedev->migration; uint64_t data_size; int ret; - ret = vfio_migration_set_state(vbasedev, ~VFIO_DEVICE_STATE_V1_RUNNING, - VFIO_DEVICE_STATE_V1_SAVING); + ret = vfio_migration_v1_set_state(vbasedev, ~VFIO_DEVICE_STATE_V1_RUNNING, + VFIO_DEVICE_STATE_V1_SAVING); if (ret) { error_report("%s: Failed to set state STOP and SAVING", vbasedev->name); @@ -568,13 +567,14 @@ static int vfio_save_complete_precopy(QEMUFile *f, void *opaque) return ret; } - ret = vfio_migration_set_state(vbasedev, ~VFIO_DEVICE_STATE_V1_SAVING, 0); + ret = vfio_migration_v1_set_state(vbasedev, ~VFIO_DEVICE_STATE_V1_SAVING, + 0); if (ret) { error_report("%s: Failed to set state STOPPED", vbasedev->name); return ret; } - trace_vfio_save_complete_precopy(vbasedev->name); + trace_vfio_v1_save_complete_precopy(vbasedev->name); return ret; } @@ -591,7 +591,7 @@ static void vfio_save_state(QEMUFile *f, void *opaque) } } -static int vfio_load_setup(QEMUFile *f, void *opaque) +static int vfio_v1_load_setup(QEMUFile *f, void *opaque) { VFIODevice *vbasedev = opaque; VFIOMigration *migration = vbasedev->migration; @@ -607,8 +607,8 @@ static int vfio_load_setup(QEMUFile *f, void *opaque) } } - ret = vfio_migration_set_state(vbasedev, ~VFIO_DEVICE_STATE_MASK, - VFIO_DEVICE_STATE_V1_RESUMING); + ret = vfio_migration_v1_set_state(vbasedev, ~VFIO_DEVICE_STATE_MASK, + VFIO_DEVICE_STATE_V1_RESUMING); if (ret) { error_report("%s: Failed to set state RESUMING", vbasedev->name); if (migration->region.mmaps) { @@ -618,11 +618,11 @@ static int vfio_load_setup(QEMUFile *f, void *opaque) return ret; } -static int vfio_load_cleanup(void *opaque) +static int vfio_v1_load_cleanup(void *opaque) { VFIODevice *vbasedev = opaque; - vfio_migration_cleanup(vbasedev); + vfio_migration_v1_cleanup(vbasedev); trace_vfio_load_cleanup(vbasedev->name); return 0; } @@ -660,7 +660,7 @@ static int vfio_load_state(QEMUFile *f, void *opaque, int version_id) uint64_t data_size = qemu_get_be64(f); if (data_size) { - ret = vfio_load_buffer(f, vbasedev, data_size); + ret = vfio_v1_load_buffer(f, vbasedev, data_size); if (ret < 0) { return ret; } @@ -681,22 +681,22 @@ static int vfio_load_state(QEMUFile *f, void *opaque, int version_id) return ret; } -static SaveVMHandlers savevm_vfio_handlers = { - .save_setup = vfio_save_setup, - .save_cleanup = vfio_save_cleanup, - .state_pending_exact = vfio_state_pending, - .state_pending_estimate = vfio_state_pending, +static SaveVMHandlers savevm_vfio_v1_handlers = { + .save_setup = vfio_v1_save_setup, + .save_cleanup = vfio_v1_save_cleanup, + .state_pending_exact = vfio_v1_state_pending, + .state_pending_estimate = vfio_v1_state_pending, .save_live_iterate = vfio_save_iterate, - .save_live_complete_precopy = vfio_save_complete_precopy, + .save_live_complete_precopy = vfio_v1_save_complete_precopy, .save_state = vfio_save_state, - .load_setup = vfio_load_setup, - .load_cleanup = vfio_load_cleanup, + .load_setup = vfio_v1_load_setup, + .load_cleanup = vfio_v1_load_cleanup, .load_state = vfio_load_state, }; /* ---------------------------------------------------------------------- */ -static void vfio_vmstate_change(void *opaque, bool running, RunState state) +static void vfio_v1_vmstate_change(void *opaque, bool running, RunState state) { VFIODevice *vbasedev = opaque; VFIOMigration *migration = vbasedev->migration; @@ -736,21 +736,21 @@ static void vfio_vmstate_change(void *opaque, bool running, RunState state) } } - ret = vfio_migration_set_state(vbasedev, mask, value); + ret = vfio_migration_v1_set_state(vbasedev, mask, value); if (ret) { /* * Migration should be aborted in this case, but vm_state_notify() * currently does not support reporting failures. */ error_report("%s: Failed to set device state 0x%x", vbasedev->name, - (migration->device_state & mask) | value); + (migration->device_state_v1 & mask) | value); if (migrate_get_current()->to_dst_file) { qemu_file_set_error(migrate_get_current()->to_dst_file, ret); } } vbasedev->migration->vm_running = running; - trace_vfio_vmstate_change(vbasedev->name, running, RunState_str(state), - (migration->device_state & mask) | value); + trace_vfio_v1_vmstate_change(vbasedev->name, running, RunState_str(state), + (migration->device_state_v1 & mask) | value); } static void vfio_migration_state_notifier(Notifier *notifier, void *data) @@ -769,10 +769,10 @@ static void vfio_migration_state_notifier(Notifier *notifier, void *data) case MIGRATION_STATUS_CANCELLED: case MIGRATION_STATUS_FAILED: bytes_transferred = 0; - ret = vfio_migration_set_state(vbasedev, - ~(VFIO_DEVICE_STATE_V1_SAVING | - VFIO_DEVICE_STATE_V1_RESUMING), - VFIO_DEVICE_STATE_V1_RUNNING); + ret = vfio_migration_v1_set_state(vbasedev, + ~(VFIO_DEVICE_STATE_V1_SAVING | + VFIO_DEVICE_STATE_V1_RESUMING), + VFIO_DEVICE_STATE_V1_RUNNING); if (ret) { error_report("%s: Failed to set state RUNNING", vbasedev->name); } @@ -816,7 +816,7 @@ static int vfio_migration_init(VFIODevice *vbasedev) } vbasedev->migration = g_new0(VFIOMigration, 1); - vbasedev->migration->device_state = VFIO_DEVICE_STATE_V1_RUNNING; + vbasedev->migration->device_state_v1 = VFIO_DEVICE_STATE_V1_RUNNING; vbasedev->migration->vm_running = runstate_is_running(); ret = vfio_region_setup(obj, vbasedev, &vbasedev->migration->region, @@ -847,12 +847,11 @@ static int vfio_migration_init(VFIODevice *vbasedev) } strpadcpy(id, sizeof(id), path, '\0'); - register_savevm_live(id, VMSTATE_INSTANCE_ID_ANY, 1, &savevm_vfio_handlers, - vbasedev); + register_savevm_live(id, VMSTATE_INSTANCE_ID_ANY, 1, + &savevm_vfio_v1_handlers, vbasedev); - migration->vm_state = qdev_add_vm_change_state_handler(vbasedev->dev, - vfio_vmstate_change, - vbasedev); + migration->vm_state = qdev_add_vm_change_state_handler( + vbasedev->dev, vfio_v1_vmstate_change, vbasedev); migration->migration_state.notify = vfio_migration_state_notifier; add_migration_state_change_notifier(&migration->migration_state); return 0; diff --git a/hw/vfio/trace-events b/hw/vfio/trace-events index 8badd76034..173613d2a8 100644 --- a/hw/vfio/trace-events +++ b/hw/vfio/trace-events @@ -149,20 +149,20 @@ vfio_display_edid_write_error(void) "" # migration.c vfio_migration_probe(const char *name) " (%s)" -vfio_migration_set_state(const char *name, uint32_t state) " (%s) state %d" -vfio_vmstate_change(const char *name, int running, const char *reason, uint32_t dev_state) " (%s) running %d reason %s device state %d" +vfio_migration_v1_set_state(const char *name, uint32_t state) " (%s) state %d" +vfio_v1_vmstate_change(const char *name, int running, const char *reason, uint32_t dev_state) " (%s) running %d reason %s device state %d" vfio_migration_state_notifier(const char *name, const char *state) " (%s) state %s" -vfio_save_setup(const char *name) " (%s)" +vfio_v1_save_setup(const char *name) " (%s)" vfio_save_cleanup(const char *name) " (%s)" vfio_save_buffer(const char *name, uint64_t data_offset, uint64_t data_size, uint64_t pending) " (%s) Offset 0x%"PRIx64" size 0x%"PRIx64" pending 0x%"PRIx64 vfio_update_pending(const char *name, uint64_t pending) " (%s) pending 0x%"PRIx64 vfio_save_device_config_state(const char *name) " (%s)" -vfio_state_pending(const char *name, uint64_t precopy, uint64_t postcopy, uint64_t compatible) " (%s) precopy 0x%"PRIx64" postcopy 0x%"PRIx64" compatible 0x%"PRIx64 +vfio_v1_state_pending(const char *name, uint64_t precopy, uint64_t postcopy, uint64_t compatible) " (%s) precopy 0x%"PRIx64" postcopy 0x%"PRIx64" compatible 0x%"PRIx64 vfio_save_iterate(const char *name, int data_size) " (%s) data_size %d" -vfio_save_complete_precopy(const char *name) " (%s)" +vfio_v1_save_complete_precopy(const char *name) " (%s)" vfio_load_device_config_state(const char *name) " (%s)" vfio_load_state(const char *name, uint64_t data) " (%s) data 0x%"PRIx64 -vfio_load_state_device_data(const char *name, uint64_t data_offset, uint64_t data_size) " (%s) Offset 0x%"PRIx64" size 0x%"PRIx64 +vfio_v1_load_state_device_data(const char *name, uint64_t data_offset, uint64_t data_size) " (%s) Offset 0x%"PRIx64" size 0x%"PRIx64 vfio_load_cleanup(const char *name) " (%s)" vfio_get_dirty_bitmap(int fd, uint64_t iova, uint64_t size, uint64_t bitmap_size, uint64_t start) "container fd=%d, iova=0x%"PRIx64" size= 0x%"PRIx64" bitmap_size=0x%"PRIx64" start=0x%"PRIx64 vfio_iommu_map_dirty_notify(uint64_t iova_start, uint64_t iova_end) "iommu dirty @ 0x%"PRIx64" - 0x%"PRIx64