| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * Copyright (C) 2020-2024 Intel Corporation |
| */ |
| |
| #include <linux/firmware.h> |
| #include <linux/module.h> |
| #include <linux/pci.h> |
| #include <linux/pm_runtime.h> |
| |
| #include <drm/drm_accel.h> |
| #include <drm/drm_file.h> |
| #include <drm/drm_gem.h> |
| #include <drm/drm_ioctl.h> |
| #include <drm/drm_prime.h> |
| |
| #include "vpu_boot_api.h" |
| #include "ivpu_debugfs.h" |
| #include "ivpu_drv.h" |
| #include "ivpu_fw.h" |
| #include "ivpu_fw_log.h" |
| #include "ivpu_gem.h" |
| #include "ivpu_hw.h" |
| #include "ivpu_ipc.h" |
| #include "ivpu_job.h" |
| #include "ivpu_jsm_msg.h" |
| #include "ivpu_mmu.h" |
| #include "ivpu_mmu_context.h" |
| #include "ivpu_ms.h" |
| #include "ivpu_pm.h" |
| #include "ivpu_sysfs.h" |
| |
| #ifndef DRIVER_VERSION_STR |
| #define DRIVER_VERSION_STR __stringify(DRM_IVPU_DRIVER_MAJOR) "." \ |
| __stringify(DRM_IVPU_DRIVER_MINOR) "." |
| #endif |
| |
| static struct lock_class_key submitted_jobs_xa_lock_class_key; |
| |
| int ivpu_dbg_mask; |
| module_param_named(dbg_mask, ivpu_dbg_mask, int, 0644); |
| MODULE_PARM_DESC(dbg_mask, "Driver debug mask. See IVPU_DBG_* macros."); |
| |
| int ivpu_test_mode; |
| module_param_named_unsafe(test_mode, ivpu_test_mode, int, 0644); |
| MODULE_PARM_DESC(test_mode, "Test mode mask. See IVPU_TEST_MODE_* macros."); |
| |
| u8 ivpu_pll_min_ratio; |
| module_param_named(pll_min_ratio, ivpu_pll_min_ratio, byte, 0644); |
| MODULE_PARM_DESC(pll_min_ratio, "Minimum PLL ratio used to set NPU frequency"); |
| |
| u8 ivpu_pll_max_ratio = U8_MAX; |
| module_param_named(pll_max_ratio, ivpu_pll_max_ratio, byte, 0644); |
| MODULE_PARM_DESC(pll_max_ratio, "Maximum PLL ratio used to set NPU frequency"); |
| |
| int ivpu_sched_mode; |
| module_param_named(sched_mode, ivpu_sched_mode, int, 0444); |
| MODULE_PARM_DESC(sched_mode, "Scheduler mode: 0 - Default scheduler, 1 - Force HW scheduler"); |
| |
| bool ivpu_disable_mmu_cont_pages; |
| module_param_named(disable_mmu_cont_pages, ivpu_disable_mmu_cont_pages, bool, 0444); |
| MODULE_PARM_DESC(disable_mmu_cont_pages, "Disable MMU contiguous pages optimization"); |
| |
| bool ivpu_force_snoop; |
| module_param_named(force_snoop, ivpu_force_snoop, bool, 0444); |
| MODULE_PARM_DESC(force_snoop, "Force snooping for NPU host memory access"); |
| |
| struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv) |
| { |
| struct ivpu_device *vdev = file_priv->vdev; |
| |
| kref_get(&file_priv->ref); |
| |
| ivpu_dbg(vdev, KREF, "file_priv get: ctx %u refcount %u\n", |
| file_priv->ctx.id, kref_read(&file_priv->ref)); |
| |
| return file_priv; |
| } |
| |
| static void file_priv_unbind(struct ivpu_device *vdev, struct ivpu_file_priv *file_priv) |
| { |
| mutex_lock(&file_priv->lock); |
| if (file_priv->bound) { |
| ivpu_dbg(vdev, FILE, "file_priv unbind: ctx %u\n", file_priv->ctx.id); |
| |
| ivpu_cmdq_release_all_locked(file_priv); |
| ivpu_bo_unbind_all_bos_from_context(vdev, &file_priv->ctx); |
| ivpu_mmu_user_context_fini(vdev, &file_priv->ctx); |
| file_priv->bound = false; |
| drm_WARN_ON(&vdev->drm, !xa_erase_irq(&vdev->context_xa, file_priv->ctx.id)); |
| } |
| mutex_unlock(&file_priv->lock); |
| } |
| |
| static void file_priv_release(struct kref *ref) |
| { |
| struct ivpu_file_priv *file_priv = container_of(ref, struct ivpu_file_priv, ref); |
| struct ivpu_device *vdev = file_priv->vdev; |
| |
| ivpu_dbg(vdev, FILE, "file_priv release: ctx %u bound %d\n", |
| file_priv->ctx.id, (bool)file_priv->bound); |
| |
| pm_runtime_get_sync(vdev->drm.dev); |
| mutex_lock(&vdev->context_list_lock); |
| file_priv_unbind(vdev, file_priv); |
| mutex_unlock(&vdev->context_list_lock); |
| pm_runtime_put_autosuspend(vdev->drm.dev); |
| |
| mutex_destroy(&file_priv->ms_lock); |
| mutex_destroy(&file_priv->lock); |
| kfree(file_priv); |
| } |
| |
| void ivpu_file_priv_put(struct ivpu_file_priv **link) |
| { |
| struct ivpu_file_priv *file_priv = *link; |
| struct ivpu_device *vdev = file_priv->vdev; |
| |
| drm_WARN_ON(&vdev->drm, !file_priv); |
| |
| ivpu_dbg(vdev, KREF, "file_priv put: ctx %u refcount %u\n", |
| file_priv->ctx.id, kref_read(&file_priv->ref)); |
| |
| *link = NULL; |
| kref_put(&file_priv->ref, file_priv_release); |
| } |
| |
| static int ivpu_get_capabilities(struct ivpu_device *vdev, struct drm_ivpu_param *args) |
| { |
| switch (args->index) { |
| case DRM_IVPU_CAP_METRIC_STREAMER: |
| args->value = 1; |
| break; |
| case DRM_IVPU_CAP_DMA_MEMORY_RANGE: |
| args->value = 1; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int ivpu_get_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file) |
| { |
| struct ivpu_file_priv *file_priv = file->driver_priv; |
| struct ivpu_device *vdev = file_priv->vdev; |
| struct pci_dev *pdev = to_pci_dev(vdev->drm.dev); |
| struct drm_ivpu_param *args = data; |
| int ret = 0; |
| int idx; |
| |
| if (!drm_dev_enter(dev, &idx)) |
| return -ENODEV; |
| |
| switch (args->param) { |
| case DRM_IVPU_PARAM_DEVICE_ID: |
| args->value = pdev->device; |
| break; |
| case DRM_IVPU_PARAM_DEVICE_REVISION: |
| args->value = pdev->revision; |
| break; |
| case DRM_IVPU_PARAM_PLATFORM_TYPE: |
| args->value = vdev->platform; |
| break; |
| case DRM_IVPU_PARAM_CORE_CLOCK_RATE: |
| args->value = ivpu_hw_ratio_to_freq(vdev, vdev->hw->pll.max_ratio); |
| break; |
| case DRM_IVPU_PARAM_NUM_CONTEXTS: |
| args->value = ivpu_get_context_count(vdev); |
| break; |
| case DRM_IVPU_PARAM_CONTEXT_BASE_ADDRESS: |
| args->value = vdev->hw->ranges.user.start; |
| break; |
| case DRM_IVPU_PARAM_CONTEXT_ID: |
| args->value = file_priv->ctx.id; |
| break; |
| case DRM_IVPU_PARAM_FW_API_VERSION: |
| if (args->index < VPU_FW_API_VER_NUM) { |
| struct vpu_firmware_header *fw_hdr; |
| |
| fw_hdr = (struct vpu_firmware_header *)vdev->fw->file->data; |
| args->value = fw_hdr->api_version[args->index]; |
| } else { |
| ret = -EINVAL; |
| } |
| break; |
| case DRM_IVPU_PARAM_ENGINE_HEARTBEAT: |
| ret = ivpu_jsm_get_heartbeat(vdev, args->index, &args->value); |
| break; |
| case DRM_IVPU_PARAM_UNIQUE_INFERENCE_ID: |
| args->value = (u64)atomic64_inc_return(&vdev->unique_id_counter); |
| break; |
| case DRM_IVPU_PARAM_TILE_CONFIG: |
| args->value = vdev->hw->tile_fuse; |
| break; |
| case DRM_IVPU_PARAM_SKU: |
| args->value = vdev->hw->sku; |
| break; |
| case DRM_IVPU_PARAM_CAPABILITIES: |
| ret = ivpu_get_capabilities(vdev, args); |
| break; |
| default: |
| ret = -EINVAL; |
| break; |
| } |
| |
| drm_dev_exit(idx); |
| return ret; |
| } |
| |
| static int ivpu_set_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file) |
| { |
| struct drm_ivpu_param *args = data; |
| int ret = 0; |
| |
| switch (args->param) { |
| default: |
| ret = -EINVAL; |
| } |
| |
| return ret; |
| } |
| |
| static int ivpu_open(struct drm_device *dev, struct drm_file *file) |
| { |
| struct ivpu_device *vdev = to_ivpu_device(dev); |
| struct ivpu_file_priv *file_priv; |
| u32 ctx_id; |
| int idx, ret; |
| |
| if (!drm_dev_enter(dev, &idx)) |
| return -ENODEV; |
| |
| file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL); |
| if (!file_priv) { |
| ret = -ENOMEM; |
| goto err_dev_exit; |
| } |
| |
| INIT_LIST_HEAD(&file_priv->ms_instance_list); |
| |
| file_priv->vdev = vdev; |
| file_priv->bound = true; |
| kref_init(&file_priv->ref); |
| mutex_init(&file_priv->lock); |
| mutex_init(&file_priv->ms_lock); |
| |
| mutex_lock(&vdev->context_list_lock); |
| |
| ret = xa_alloc_irq(&vdev->context_xa, &ctx_id, file_priv, |
| vdev->context_xa_limit, GFP_KERNEL); |
| if (ret) { |
| ivpu_err(vdev, "Failed to allocate context id: %d\n", ret); |
| goto err_unlock; |
| } |
| |
| ret = ivpu_mmu_user_context_init(vdev, &file_priv->ctx, ctx_id); |
| if (ret) |
| goto err_xa_erase; |
| |
| mutex_unlock(&vdev->context_list_lock); |
| drm_dev_exit(idx); |
| |
| file->driver_priv = file_priv; |
| |
| ivpu_dbg(vdev, FILE, "file_priv create: ctx %u process %s pid %d\n", |
| ctx_id, current->comm, task_pid_nr(current)); |
| |
| return 0; |
| |
| err_xa_erase: |
| xa_erase_irq(&vdev->context_xa, ctx_id); |
| err_unlock: |
| mutex_unlock(&vdev->context_list_lock); |
| mutex_destroy(&file_priv->ms_lock); |
| mutex_destroy(&file_priv->lock); |
| kfree(file_priv); |
| err_dev_exit: |
| drm_dev_exit(idx); |
| return ret; |
| } |
| |
| static void ivpu_postclose(struct drm_device *dev, struct drm_file *file) |
| { |
| struct ivpu_file_priv *file_priv = file->driver_priv; |
| struct ivpu_device *vdev = to_ivpu_device(dev); |
| |
| ivpu_dbg(vdev, FILE, "file_priv close: ctx %u process %s pid %d\n", |
| file_priv->ctx.id, current->comm, task_pid_nr(current)); |
| |
| ivpu_ms_cleanup(file_priv); |
| ivpu_file_priv_put(&file_priv); |
| } |
| |
| static const struct drm_ioctl_desc ivpu_drm_ioctls[] = { |
| DRM_IOCTL_DEF_DRV(IVPU_GET_PARAM, ivpu_get_param_ioctl, 0), |
| DRM_IOCTL_DEF_DRV(IVPU_SET_PARAM, ivpu_set_param_ioctl, 0), |
| DRM_IOCTL_DEF_DRV(IVPU_BO_CREATE, ivpu_bo_create_ioctl, 0), |
| DRM_IOCTL_DEF_DRV(IVPU_BO_INFO, ivpu_bo_info_ioctl, 0), |
| DRM_IOCTL_DEF_DRV(IVPU_SUBMIT, ivpu_submit_ioctl, 0), |
| DRM_IOCTL_DEF_DRV(IVPU_BO_WAIT, ivpu_bo_wait_ioctl, 0), |
| DRM_IOCTL_DEF_DRV(IVPU_METRIC_STREAMER_START, ivpu_ms_start_ioctl, 0), |
| DRM_IOCTL_DEF_DRV(IVPU_METRIC_STREAMER_GET_DATA, ivpu_ms_get_data_ioctl, 0), |
| DRM_IOCTL_DEF_DRV(IVPU_METRIC_STREAMER_STOP, ivpu_ms_stop_ioctl, 0), |
| DRM_IOCTL_DEF_DRV(IVPU_METRIC_STREAMER_GET_INFO, ivpu_ms_get_info_ioctl, 0), |
| }; |
| |
| static int ivpu_wait_for_ready(struct ivpu_device *vdev) |
| { |
| struct ivpu_ipc_consumer cons; |
| struct ivpu_ipc_hdr ipc_hdr; |
| unsigned long timeout; |
| int ret; |
| |
| if (ivpu_test_mode & IVPU_TEST_MODE_FW_TEST) |
| return 0; |
| |
| ivpu_ipc_consumer_add(vdev, &cons, IVPU_IPC_CHAN_BOOT_MSG, NULL); |
| |
| timeout = jiffies + msecs_to_jiffies(vdev->timeout.boot); |
| while (1) { |
| ivpu_ipc_irq_handler(vdev); |
| ret = ivpu_ipc_receive(vdev, &cons, &ipc_hdr, NULL, 0); |
| if (ret != -ETIMEDOUT || time_after_eq(jiffies, timeout)) |
| break; |
| |
| cond_resched(); |
| } |
| |
| ivpu_ipc_consumer_del(vdev, &cons); |
| |
| if (!ret && ipc_hdr.data_addr != IVPU_IPC_BOOT_MSG_DATA_ADDR) { |
| ivpu_err(vdev, "Invalid NPU ready message: 0x%x\n", |
| ipc_hdr.data_addr); |
| return -EIO; |
| } |
| |
| if (!ret) |
| ivpu_dbg(vdev, PM, "NPU ready message received successfully\n"); |
| |
| return ret; |
| } |
| |
| static int ivpu_hw_sched_init(struct ivpu_device *vdev) |
| { |
| int ret = 0; |
| |
| if (vdev->hw->sched_mode == VPU_SCHEDULING_MODE_HW) { |
| ret = ivpu_jsm_hws_setup_priority_bands(vdev); |
| if (ret) { |
| ivpu_err(vdev, "Failed to enable hw scheduler: %d", ret); |
| return ret; |
| } |
| } |
| |
| return ret; |
| } |
| |
| /** |
| * ivpu_boot() - Start VPU firmware |
| * @vdev: VPU device |
| * |
| * This function is paired with ivpu_shutdown() but it doesn't power up the |
| * VPU because power up has to be called very early in ivpu_probe(). |
| */ |
| int ivpu_boot(struct ivpu_device *vdev) |
| { |
| int ret; |
| |
| /* Update boot params located at first 4KB of FW memory */ |
| ivpu_fw_boot_params_setup(vdev, ivpu_bo_vaddr(vdev->fw->mem)); |
| |
| ret = ivpu_hw_boot_fw(vdev); |
| if (ret) { |
| ivpu_err(vdev, "Failed to start the firmware: %d\n", ret); |
| return ret; |
| } |
| |
| ret = ivpu_wait_for_ready(vdev); |
| if (ret) { |
| ivpu_err(vdev, "Failed to boot the firmware: %d\n", ret); |
| ivpu_hw_diagnose_failure(vdev); |
| ivpu_mmu_evtq_dump(vdev); |
| ivpu_fw_log_dump(vdev); |
| return ret; |
| } |
| |
| ivpu_hw_irq_clear(vdev); |
| enable_irq(vdev->irq); |
| ivpu_hw_irq_enable(vdev); |
| ivpu_ipc_enable(vdev); |
| |
| if (ivpu_fw_is_cold_boot(vdev)) { |
| ret = ivpu_pm_dct_init(vdev); |
| if (ret) |
| return ret; |
| |
| return ivpu_hw_sched_init(vdev); |
| } |
| |
| return 0; |
| } |
| |
| void ivpu_prepare_for_reset(struct ivpu_device *vdev) |
| { |
| ivpu_hw_irq_disable(vdev); |
| disable_irq(vdev->irq); |
| ivpu_ipc_disable(vdev); |
| ivpu_mmu_disable(vdev); |
| } |
| |
| int ivpu_shutdown(struct ivpu_device *vdev) |
| { |
| int ret; |
| |
| /* Save PCI state before powering down as it sometimes gets corrupted if NPU hangs */ |
| pci_save_state(to_pci_dev(vdev->drm.dev)); |
| |
| ret = ivpu_hw_power_down(vdev); |
| if (ret) |
| ivpu_warn(vdev, "Failed to power down HW: %d\n", ret); |
| |
| pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot); |
| |
| return ret; |
| } |
| |
| static const struct file_operations ivpu_fops = { |
| .owner = THIS_MODULE, |
| DRM_ACCEL_FOPS, |
| }; |
| |
| static const struct drm_driver driver = { |
| .driver_features = DRIVER_GEM | DRIVER_COMPUTE_ACCEL, |
| |
| .open = ivpu_open, |
| .postclose = ivpu_postclose, |
| |
| .gem_create_object = ivpu_gem_create_object, |
| .gem_prime_import_sg_table = drm_gem_shmem_prime_import_sg_table, |
| |
| .ioctls = ivpu_drm_ioctls, |
| .num_ioctls = ARRAY_SIZE(ivpu_drm_ioctls), |
| .fops = &ivpu_fops, |
| |
| .name = DRIVER_NAME, |
| .desc = DRIVER_DESC, |
| .date = DRIVER_DATE, |
| .major = DRM_IVPU_DRIVER_MAJOR, |
| .minor = DRM_IVPU_DRIVER_MINOR, |
| }; |
| |
| static void ivpu_context_abort_invalid(struct ivpu_device *vdev) |
| { |
| struct ivpu_file_priv *file_priv; |
| unsigned long ctx_id; |
| |
| mutex_lock(&vdev->context_list_lock); |
| |
| xa_for_each(&vdev->context_xa, ctx_id, file_priv) { |
| if (!file_priv->has_mmu_faults || file_priv->aborted) |
| continue; |
| |
| mutex_lock(&file_priv->lock); |
| ivpu_context_abort_locked(file_priv); |
| file_priv->aborted = true; |
| mutex_unlock(&file_priv->lock); |
| } |
| |
| mutex_unlock(&vdev->context_list_lock); |
| } |
| |
| static irqreturn_t ivpu_irq_thread_handler(int irq, void *arg) |
| { |
| struct ivpu_device *vdev = arg; |
| u8 irq_src; |
| |
| if (kfifo_is_empty(&vdev->hw->irq.fifo)) |
| return IRQ_NONE; |
| |
| while (kfifo_get(&vdev->hw->irq.fifo, &irq_src)) { |
| switch (irq_src) { |
| case IVPU_HW_IRQ_SRC_IPC: |
| ivpu_ipc_irq_thread_handler(vdev); |
| break; |
| case IVPU_HW_IRQ_SRC_MMU_EVTQ: |
| ivpu_context_abort_invalid(vdev); |
| break; |
| case IVPU_HW_IRQ_SRC_DCT: |
| ivpu_pm_dct_irq_thread_handler(vdev); |
| break; |
| default: |
| ivpu_err_ratelimited(vdev, "Unknown IRQ source: %u\n", irq_src); |
| break; |
| } |
| } |
| |
| return IRQ_HANDLED; |
| } |
| |
| static int ivpu_irq_init(struct ivpu_device *vdev) |
| { |
| struct pci_dev *pdev = to_pci_dev(vdev->drm.dev); |
| int ret; |
| |
| ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI | PCI_IRQ_MSIX); |
| if (ret < 0) { |
| ivpu_err(vdev, "Failed to allocate a MSI IRQ: %d\n", ret); |
| return ret; |
| } |
| |
| ivpu_irq_handlers_init(vdev); |
| |
| vdev->irq = pci_irq_vector(pdev, 0); |
| |
| ret = devm_request_threaded_irq(vdev->drm.dev, vdev->irq, ivpu_hw_irq_handler, |
| ivpu_irq_thread_handler, IRQF_NO_AUTOEN, DRIVER_NAME, vdev); |
| if (ret) |
| ivpu_err(vdev, "Failed to request an IRQ %d\n", ret); |
| |
| return ret; |
| } |
| |
| static int ivpu_pci_init(struct ivpu_device *vdev) |
| { |
| struct pci_dev *pdev = to_pci_dev(vdev->drm.dev); |
| struct resource *bar0 = &pdev->resource[0]; |
| struct resource *bar4 = &pdev->resource[4]; |
| int ret; |
| |
| ivpu_dbg(vdev, MISC, "Mapping BAR0 (RegV) %pR\n", bar0); |
| vdev->regv = devm_ioremap_resource(vdev->drm.dev, bar0); |
| if (IS_ERR(vdev->regv)) { |
| ivpu_err(vdev, "Failed to map bar 0: %pe\n", vdev->regv); |
| return PTR_ERR(vdev->regv); |
| } |
| |
| ivpu_dbg(vdev, MISC, "Mapping BAR4 (RegB) %pR\n", bar4); |
| vdev->regb = devm_ioremap_resource(vdev->drm.dev, bar4); |
| if (IS_ERR(vdev->regb)) { |
| ivpu_err(vdev, "Failed to map bar 4: %pe\n", vdev->regb); |
| return PTR_ERR(vdev->regb); |
| } |
| |
| ret = dma_set_mask_and_coherent(vdev->drm.dev, DMA_BIT_MASK(vdev->hw->dma_bits)); |
| if (ret) { |
| ivpu_err(vdev, "Failed to set DMA mask: %d\n", ret); |
| return ret; |
| } |
| dma_set_max_seg_size(vdev->drm.dev, UINT_MAX); |
| |
| /* Clear any pending errors */ |
| pcie_capability_clear_word(pdev, PCI_EXP_DEVSTA, 0x3f); |
| |
| /* NPU does not require 10m D3hot delay */ |
| pdev->d3hot_delay = 0; |
| |
| ret = pcim_enable_device(pdev); |
| if (ret) { |
| ivpu_err(vdev, "Failed to enable PCI device: %d\n", ret); |
| return ret; |
| } |
| |
| pci_set_master(pdev); |
| |
| return 0; |
| } |
| |
| static int ivpu_dev_init(struct ivpu_device *vdev) |
| { |
| int ret; |
| |
| vdev->hw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->hw), GFP_KERNEL); |
| if (!vdev->hw) |
| return -ENOMEM; |
| |
| vdev->mmu = drmm_kzalloc(&vdev->drm, sizeof(*vdev->mmu), GFP_KERNEL); |
| if (!vdev->mmu) |
| return -ENOMEM; |
| |
| vdev->fw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->fw), GFP_KERNEL); |
| if (!vdev->fw) |
| return -ENOMEM; |
| |
| vdev->ipc = drmm_kzalloc(&vdev->drm, sizeof(*vdev->ipc), GFP_KERNEL); |
| if (!vdev->ipc) |
| return -ENOMEM; |
| |
| vdev->pm = drmm_kzalloc(&vdev->drm, sizeof(*vdev->pm), GFP_KERNEL); |
| if (!vdev->pm) |
| return -ENOMEM; |
| |
| if (ivpu_hw_ip_gen(vdev) >= IVPU_HW_IP_40XX) |
| vdev->hw->dma_bits = 48; |
| else |
| vdev->hw->dma_bits = 38; |
| |
| vdev->platform = IVPU_PLATFORM_INVALID; |
| vdev->context_xa_limit.min = IVPU_USER_CONTEXT_MIN_SSID; |
| vdev->context_xa_limit.max = IVPU_USER_CONTEXT_MAX_SSID; |
| atomic64_set(&vdev->unique_id_counter, 0); |
| xa_init_flags(&vdev->context_xa, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ); |
| xa_init_flags(&vdev->submitted_jobs_xa, XA_FLAGS_ALLOC1); |
| xa_init_flags(&vdev->db_xa, XA_FLAGS_ALLOC1); |
| lockdep_set_class(&vdev->submitted_jobs_xa.xa_lock, &submitted_jobs_xa_lock_class_key); |
| INIT_LIST_HEAD(&vdev->bo_list); |
| |
| ret = drmm_mutex_init(&vdev->drm, &vdev->context_list_lock); |
| if (ret) |
| goto err_xa_destroy; |
| |
| ret = drmm_mutex_init(&vdev->drm, &vdev->bo_list_lock); |
| if (ret) |
| goto err_xa_destroy; |
| |
| ret = ivpu_pci_init(vdev); |
| if (ret) |
| goto err_xa_destroy; |
| |
| ret = ivpu_irq_init(vdev); |
| if (ret) |
| goto err_xa_destroy; |
| |
| /* Init basic HW info based on buttress registers which are accessible before power up */ |
| ret = ivpu_hw_init(vdev); |
| if (ret) |
| goto err_xa_destroy; |
| |
| /* Power up early so the rest of init code can access VPU registers */ |
| ret = ivpu_hw_power_up(vdev); |
| if (ret) |
| goto err_shutdown; |
| |
| ret = ivpu_mmu_global_context_init(vdev); |
| if (ret) |
| goto err_shutdown; |
| |
| ret = ivpu_mmu_init(vdev); |
| if (ret) |
| goto err_mmu_gctx_fini; |
| |
| ret = ivpu_mmu_reserved_context_init(vdev); |
| if (ret) |
| goto err_mmu_gctx_fini; |
| |
| ret = ivpu_fw_init(vdev); |
| if (ret) |
| goto err_mmu_rctx_fini; |
| |
| ret = ivpu_ipc_init(vdev); |
| if (ret) |
| goto err_fw_fini; |
| |
| ivpu_pm_init(vdev); |
| |
| ret = ivpu_boot(vdev); |
| if (ret) |
| goto err_ipc_fini; |
| |
| ivpu_job_done_consumer_init(vdev); |
| ivpu_pm_enable(vdev); |
| |
| return 0; |
| |
| err_ipc_fini: |
| ivpu_ipc_fini(vdev); |
| err_fw_fini: |
| ivpu_fw_fini(vdev); |
| err_mmu_rctx_fini: |
| ivpu_mmu_reserved_context_fini(vdev); |
| err_mmu_gctx_fini: |
| ivpu_mmu_global_context_fini(vdev); |
| err_shutdown: |
| ivpu_shutdown(vdev); |
| err_xa_destroy: |
| xa_destroy(&vdev->db_xa); |
| xa_destroy(&vdev->submitted_jobs_xa); |
| xa_destroy(&vdev->context_xa); |
| return ret; |
| } |
| |
| static void ivpu_bo_unbind_all_user_contexts(struct ivpu_device *vdev) |
| { |
| struct ivpu_file_priv *file_priv; |
| unsigned long ctx_id; |
| |
| mutex_lock(&vdev->context_list_lock); |
| |
| xa_for_each(&vdev->context_xa, ctx_id, file_priv) |
| file_priv_unbind(vdev, file_priv); |
| |
| mutex_unlock(&vdev->context_list_lock); |
| } |
| |
| static void ivpu_dev_fini(struct ivpu_device *vdev) |
| { |
| ivpu_jobs_abort_all(vdev); |
| ivpu_pm_cancel_recovery(vdev); |
| ivpu_pm_disable(vdev); |
| ivpu_prepare_for_reset(vdev); |
| ivpu_shutdown(vdev); |
| |
| ivpu_ms_cleanup_all(vdev); |
| ivpu_job_done_consumer_fini(vdev); |
| ivpu_bo_unbind_all_user_contexts(vdev); |
| |
| ivpu_ipc_fini(vdev); |
| ivpu_fw_fini(vdev); |
| ivpu_mmu_reserved_context_fini(vdev); |
| ivpu_mmu_global_context_fini(vdev); |
| |
| drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->db_xa)); |
| xa_destroy(&vdev->db_xa); |
| drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->submitted_jobs_xa)); |
| xa_destroy(&vdev->submitted_jobs_xa); |
| drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->context_xa)); |
| xa_destroy(&vdev->context_xa); |
| } |
| |
| static struct pci_device_id ivpu_pci_ids[] = { |
| { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_MTL) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_ARL) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_LNL) }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(pci, ivpu_pci_ids); |
| |
| static int ivpu_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
| { |
| struct ivpu_device *vdev; |
| int ret; |
| |
| vdev = devm_drm_dev_alloc(&pdev->dev, &driver, struct ivpu_device, drm); |
| if (IS_ERR(vdev)) |
| return PTR_ERR(vdev); |
| |
| pci_set_drvdata(pdev, vdev); |
| |
| ret = ivpu_dev_init(vdev); |
| if (ret) |
| return ret; |
| |
| ivpu_debugfs_init(vdev); |
| ivpu_sysfs_init(vdev); |
| |
| ret = drm_dev_register(&vdev->drm, 0); |
| if (ret) { |
| dev_err(&pdev->dev, "Failed to register DRM device: %d\n", ret); |
| ivpu_dev_fini(vdev); |
| } |
| |
| return ret; |
| } |
| |
| static void ivpu_remove(struct pci_dev *pdev) |
| { |
| struct ivpu_device *vdev = pci_get_drvdata(pdev); |
| |
| drm_dev_unplug(&vdev->drm); |
| ivpu_dev_fini(vdev); |
| } |
| |
| static const struct dev_pm_ops ivpu_drv_pci_pm = { |
| SET_SYSTEM_SLEEP_PM_OPS(ivpu_pm_suspend_cb, ivpu_pm_resume_cb) |
| SET_RUNTIME_PM_OPS(ivpu_pm_runtime_suspend_cb, ivpu_pm_runtime_resume_cb, NULL) |
| }; |
| |
| static const struct pci_error_handlers ivpu_drv_pci_err = { |
| .reset_prepare = ivpu_pm_reset_prepare_cb, |
| .reset_done = ivpu_pm_reset_done_cb, |
| }; |
| |
| static struct pci_driver ivpu_pci_driver = { |
| .name = KBUILD_MODNAME, |
| .id_table = ivpu_pci_ids, |
| .probe = ivpu_probe, |
| .remove = ivpu_remove, |
| .driver = { |
| .pm = &ivpu_drv_pci_pm, |
| }, |
| .err_handler = &ivpu_drv_pci_err, |
| }; |
| |
| module_pci_driver(ivpu_pci_driver); |
| |
| MODULE_AUTHOR("Intel Corporation"); |
| MODULE_DESCRIPTION(DRIVER_DESC); |
| MODULE_LICENSE("GPL and additional rights"); |
| MODULE_VERSION(DRIVER_VERSION_STR); |