[PULL,07/12] vfio/migration: Rename functions/structs related to v1 protocol

Message ID	167658854960.932837.16807985518771832010.stgit@omen (mailing list archive)
State	New, archived
Headers	show Return-Path: <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org> Subject: [PULL 07/12] vfio/migration: Rename functions/structs related to v1 protocol From: Alex Williamson <alex.williamson@redhat.com> To: qemu-devel@nongnu.org Cc: alex.williamson@redhat.com, avihaih@nvidia.com, clg@redhat.com Date: Thu, 16 Feb 2023 16:02:29 -0700 Message-ID: <167658854960.932837.16807985518771832010.stgit@omen> In-Reply-To: <167658846945.932837.1420176491103357684.stgit@omen> References: <167658846945.932837.1420176491103357684.stgit@omen> User-Agent: StGit/1.5.dev2+g9ce680a52bd9 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=alex.williamson@redhat.com; helo=us-smtp-delivery-124.mimecast.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, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action Precedence: list Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org
Series	[PULL,01/12] linux-headers: Update to v6.2-rc8 \| expand [PULL,01/12] linux-headers: Update to v6.2-rc8 [PULL,02/12] vfio/migration: Fix NULL pointer dereference bug [PULL,03/12] vfio/migration: Allow migration without VFIO IOMMU dirty tracking support [PULL,04/12] vfio/common: Change vfio_devices_all_running_and_saving() logic to equivalent one [PULL,05/12] vfio/migration: Block multiple devices migration [PULL,06/12] vfio/migration: Move migration v1 logic to vfio_migration_init() [PULL,07/12] vfio/migration: Rename functions/structs related to v1 protocol [PULL,08/12] vfio/migration: Implement VFIO migration protocol v2 [PULL,09/12] vfio/migration: Remove VFIO migration protocol v1 [PULL,10/12] vfio: Alphabetize migration section of VFIO trace-events file [PULL,11/12] docs/devel: Align VFIO migration docs to v2 protocol [PULL,12/12] MAINTAINERS: Add myself as VFIO reviewer

diff --git a/hw/vfio/common.c b/hw/vfio/common.c index fe80ccf91419..1c974e9c5ad9 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 a3bf7327a1d6..a5fe285721d9 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; @@ -448,16 +448,16 @@ 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 *must_precopy, - uint64_t *can_postcopy) +static void vfio_v1_state_pending(void *opaque, uint64_t *must_precopy, + uint64_t *can_postcopy) { VFIODevice *vbasedev = opaque; VFIOMigration *migration = vbasedev->migration; @@ -470,7 +470,7 @@ static void vfio_state_pending(void *opaque, uint64_t *must_precopy, *must_precopy += migration->pending_bytes; - trace_vfio_state_pending(vbasedev->name, *must_precopy, *can_postcopy); + trace_vfio_v1_state_pending(vbasedev->name, *must_precopy, *can_postcopy); } static int vfio_save_iterate(QEMUFile *f, void *opaque) @@ -520,15 +520,15 @@ 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); @@ -565,13 +565,14 @@ 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; } @@ -588,7 +589,7 @@ 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; @@ -604,8 +605,8 @@ 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) { @@ -615,11 +616,11 @@ 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; } @@ -657,7 +658,7 @@ 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; } @@ -678,22 +679,22 @@ 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; @@ -733,21 +734,21 @@ 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) @@ -766,10 +767,10 @@ 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); } @@ -813,7 +814,7 @@ 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, @@ -844,12 +845,11 @@ 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 6be5381cc973..c8739449df20 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) " (%s) precopy 0x%"PRIx64" postcopy 0x%"PRIx64 +vfio_v1_state_pending(const char *name, uint64_t precopy, uint64_t postcopy) " (%s) precopy 0x%"PRIx64" postcopy 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 diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index 56b168382469..2c0fb1d62273 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;

[PULL,07/12] vfio/migration: Rename functions/structs related to v1 protocol

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