diff options
Diffstat (limited to 'drivers/accel/habanalabs/common/debugfs.c')
| -rw-r--r-- | drivers/accel/habanalabs/common/debugfs.c | 142 |
1 files changed, 75 insertions, 67 deletions
diff --git a/drivers/accel/habanalabs/common/debugfs.c b/drivers/accel/habanalabs/common/debugfs.c index 945c0e6758ca..22dd17c077c0 100644 --- a/drivers/accel/habanalabs/common/debugfs.c +++ b/drivers/accel/habanalabs/common/debugfs.c @@ -258,7 +258,7 @@ static int vm_show(struct seq_file *s, void *data) if (!dev_entry->hdev->mmu_enable) return 0; - spin_lock(&dev_entry->ctx_mem_hash_spinlock); + mutex_lock(&dev_entry->ctx_mem_hash_mutex); list_for_each_entry(ctx, &dev_entry->ctx_mem_hash_list, debugfs_list) { once = false; @@ -329,7 +329,7 @@ static int vm_show(struct seq_file *s, void *data) } - spin_unlock(&dev_entry->ctx_mem_hash_spinlock); + mutex_unlock(&dev_entry->ctx_mem_hash_mutex); ctx = hl_get_compute_ctx(dev_entry->hdev); if (ctx) { @@ -1583,209 +1583,216 @@ static const struct file_operations hl_debugfs_fops = { .release = single_release, }; -static void add_secured_nodes(struct hl_dbg_device_entry *dev_entry) +static void add_secured_nodes(struct hl_dbg_device_entry *dev_entry, struct dentry *root) { debugfs_create_u8("i2c_bus", 0644, - dev_entry->root, + root, &dev_entry->i2c_bus); debugfs_create_u8("i2c_addr", 0644, - dev_entry->root, + root, &dev_entry->i2c_addr); debugfs_create_u8("i2c_reg", 0644, - dev_entry->root, + root, &dev_entry->i2c_reg); debugfs_create_u8("i2c_len", 0644, - dev_entry->root, + root, &dev_entry->i2c_len); debugfs_create_file("i2c_data", 0644, - dev_entry->root, + root, dev_entry, &hl_i2c_data_fops); debugfs_create_file("led0", 0200, - dev_entry->root, + root, dev_entry, &hl_led0_fops); debugfs_create_file("led1", 0200, - dev_entry->root, + root, dev_entry, &hl_led1_fops); debugfs_create_file("led2", 0200, - dev_entry->root, + root, dev_entry, &hl_led2_fops); } -void hl_debugfs_add_device(struct hl_device *hdev) +static void add_files_to_device(struct hl_device *hdev, struct hl_dbg_device_entry *dev_entry, + struct dentry *root) { - struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs; int count = ARRAY_SIZE(hl_debugfs_list); struct hl_debugfs_entry *entry; int i; - dev_entry->hdev = hdev; - dev_entry->entry_arr = kmalloc_array(count, - sizeof(struct hl_debugfs_entry), - GFP_KERNEL); - if (!dev_entry->entry_arr) - return; - - dev_entry->data_dma_blob_desc.size = 0; - dev_entry->data_dma_blob_desc.data = NULL; - dev_entry->mon_dump_blob_desc.size = 0; - dev_entry->mon_dump_blob_desc.data = NULL; - - INIT_LIST_HEAD(&dev_entry->file_list); - INIT_LIST_HEAD(&dev_entry->cb_list); - INIT_LIST_HEAD(&dev_entry->cs_list); - INIT_LIST_HEAD(&dev_entry->cs_job_list); - INIT_LIST_HEAD(&dev_entry->userptr_list); - INIT_LIST_HEAD(&dev_entry->ctx_mem_hash_list); - mutex_init(&dev_entry->file_mutex); - init_rwsem(&dev_entry->state_dump_sem); - spin_lock_init(&dev_entry->cb_spinlock); - spin_lock_init(&dev_entry->cs_spinlock); - spin_lock_init(&dev_entry->cs_job_spinlock); - spin_lock_init(&dev_entry->userptr_spinlock); - spin_lock_init(&dev_entry->ctx_mem_hash_spinlock); - - dev_entry->root = debugfs_create_dir(dev_name(hdev->dev), - hl_debug_root); - debugfs_create_x64("memory_scrub_val", 0644, - dev_entry->root, + root, &hdev->memory_scrub_val); debugfs_create_file("memory_scrub", 0200, - dev_entry->root, + root, dev_entry, &hl_mem_scrub_fops); debugfs_create_x64("addr", 0644, - dev_entry->root, + root, &dev_entry->addr); debugfs_create_file("data32", 0644, - dev_entry->root, + root, dev_entry, &hl_data32b_fops); debugfs_create_file("data64", 0644, - dev_entry->root, + root, dev_entry, &hl_data64b_fops); debugfs_create_file("set_power_state", 0200, - dev_entry->root, + root, dev_entry, &hl_power_fops); debugfs_create_file("device", 0200, - dev_entry->root, + root, dev_entry, &hl_device_fops); debugfs_create_file("clk_gate", 0200, - dev_entry->root, + root, dev_entry, &hl_clk_gate_fops); debugfs_create_file("stop_on_err", 0644, - dev_entry->root, + root, dev_entry, &hl_stop_on_err_fops); debugfs_create_file("dump_security_violations", 0644, - dev_entry->root, + root, dev_entry, &hl_security_violations_fops); debugfs_create_file("dump_razwi_events", 0644, - dev_entry->root, + root, dev_entry, &hl_razwi_check_fops); debugfs_create_file("dma_size", 0200, - dev_entry->root, + root, dev_entry, &hl_dma_size_fops); debugfs_create_blob("data_dma", 0400, - dev_entry->root, + root, &dev_entry->data_dma_blob_desc); debugfs_create_file("monitor_dump_trig", 0200, - dev_entry->root, + root, dev_entry, &hl_monitor_dump_fops); debugfs_create_blob("monitor_dump", 0400, - dev_entry->root, + root, &dev_entry->mon_dump_blob_desc); debugfs_create_x8("skip_reset_on_timeout", 0644, - dev_entry->root, + root, &hdev->reset_info.skip_reset_on_timeout); debugfs_create_file("state_dump", 0600, - dev_entry->root, + root, dev_entry, &hl_state_dump_fops); debugfs_create_file("timeout_locked", 0644, - dev_entry->root, + root, dev_entry, &hl_timeout_locked_fops); debugfs_create_u32("device_release_watchdog_timeout", 0644, - dev_entry->root, + root, &hdev->device_release_watchdog_timeout_sec); for (i = 0, entry = dev_entry->entry_arr ; i < count ; i++, entry++) { debugfs_create_file(hl_debugfs_list[i].name, 0444, - dev_entry->root, + root, entry, &hl_debugfs_fops); entry->info_ent = &hl_debugfs_list[i]; entry->dev_entry = dev_entry; } +} + +void hl_debugfs_add_device(struct hl_device *hdev) +{ + struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs; + int count = ARRAY_SIZE(hl_debugfs_list); + + dev_entry->hdev = hdev; + dev_entry->entry_arr = kmalloc_array(count, + sizeof(struct hl_debugfs_entry), + GFP_KERNEL); + if (!dev_entry->entry_arr) + return; + + dev_entry->data_dma_blob_desc.size = 0; + dev_entry->data_dma_blob_desc.data = NULL; + dev_entry->mon_dump_blob_desc.size = 0; + dev_entry->mon_dump_blob_desc.data = NULL; + + INIT_LIST_HEAD(&dev_entry->file_list); + INIT_LIST_HEAD(&dev_entry->cb_list); + INIT_LIST_HEAD(&dev_entry->cs_list); + INIT_LIST_HEAD(&dev_entry->cs_job_list); + INIT_LIST_HEAD(&dev_entry->userptr_list); + INIT_LIST_HEAD(&dev_entry->ctx_mem_hash_list); + mutex_init(&dev_entry->file_mutex); + init_rwsem(&dev_entry->state_dump_sem); + spin_lock_init(&dev_entry->cb_spinlock); + spin_lock_init(&dev_entry->cs_spinlock); + spin_lock_init(&dev_entry->cs_job_spinlock); + spin_lock_init(&dev_entry->userptr_spinlock); + mutex_init(&dev_entry->ctx_mem_hash_mutex); + + dev_entry->root = debugfs_create_dir(dev_name(hdev->dev), + hl_debug_root); + add_files_to_device(hdev, dev_entry, dev_entry->root); if (!hdev->asic_prop.fw_security_enabled) - add_secured_nodes(dev_entry); + add_secured_nodes(dev_entry, dev_entry->root); } void hl_debugfs_remove_device(struct hl_device *hdev) @@ -1795,6 +1802,7 @@ void hl_debugfs_remove_device(struct hl_device *hdev) debugfs_remove_recursive(entry->root); + mutex_destroy(&entry->ctx_mem_hash_mutex); mutex_destroy(&entry->file_mutex); vfree(entry->data_dma_blob_desc.data); @@ -1901,18 +1909,18 @@ void hl_debugfs_add_ctx_mem_hash(struct hl_device *hdev, struct hl_ctx *ctx) { struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs; - spin_lock(&dev_entry->ctx_mem_hash_spinlock); + mutex_lock(&dev_entry->ctx_mem_hash_mutex); list_add(&ctx->debugfs_list, &dev_entry->ctx_mem_hash_list); - spin_unlock(&dev_entry->ctx_mem_hash_spinlock); + mutex_unlock(&dev_entry->ctx_mem_hash_mutex); } void hl_debugfs_remove_ctx_mem_hash(struct hl_device *hdev, struct hl_ctx *ctx) { struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs; - spin_lock(&dev_entry->ctx_mem_hash_spinlock); + mutex_lock(&dev_entry->ctx_mem_hash_mutex); list_del(&ctx->debugfs_list); - spin_unlock(&dev_entry->ctx_mem_hash_spinlock); + mutex_unlock(&dev_entry->ctx_mem_hash_mutex); } /** |