diff options
Diffstat (limited to 'sound/soc/sof/debug.c')
-rw-r--r-- | sound/soc/sof/debug.c | 687 |
1 files changed, 216 insertions, 471 deletions
diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c index 8e15f105d1d5..7c8aafca8fde 100644 --- a/sound/soc/sof/debug.c +++ b/sound/soc/sof/debug.c @@ -14,421 +14,25 @@ #include <linux/debugfs.h> #include <linux/io.h> #include <linux/pm_runtime.h> +#include <sound/sof/ext_manifest.h> +#include <sound/sof/debug.h> #include "sof-priv.h" #include "ops.h" -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES) -#include "probe.h" - -/** - * strsplit_u32 - Split string into sequence of u32 tokens - * @buf: String to split into tokens. - * @delim: String containing delimiter characters. - * @tkns: Returned u32 sequence pointer. - * @num_tkns: Returned number of tokens obtained. - */ -static int -strsplit_u32(char **buf, const char *delim, u32 **tkns, size_t *num_tkns) -{ - char *s; - u32 *data, *tmp; - size_t count = 0; - size_t cap = 32; - int ret = 0; - - *tkns = NULL; - *num_tkns = 0; - data = kcalloc(cap, sizeof(*data), GFP_KERNEL); - if (!data) - return -ENOMEM; - - while ((s = strsep(buf, delim)) != NULL) { - ret = kstrtouint(s, 0, data + count); - if (ret) - goto exit; - if (++count >= cap) { - cap *= 2; - tmp = krealloc(data, cap * sizeof(*data), GFP_KERNEL); - if (!tmp) { - ret = -ENOMEM; - goto exit; - } - data = tmp; - } - } - - if (!count) - goto exit; - *tkns = kmemdup(data, count * sizeof(*data), GFP_KERNEL); - if (*tkns == NULL) { - ret = -ENOMEM; - goto exit; - } - *num_tkns = count; - -exit: - kfree(data); - return ret; -} - -static int tokenize_input(const char __user *from, size_t count, - loff_t *ppos, u32 **tkns, size_t *num_tkns) -{ - char *buf; - int ret; - - buf = kmalloc(count + 1, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - ret = simple_write_to_buffer(buf, count, ppos, from, count); - if (ret != count) { - ret = ret >= 0 ? -EIO : ret; - goto exit; - } - - buf[count] = '\0'; - ret = strsplit_u32((char **)&buf, ",", tkns, num_tkns); -exit: - kfree(buf); - return ret; -} - -static ssize_t probe_points_read(struct file *file, - char __user *to, size_t count, loff_t *ppos) -{ - struct snd_sof_dfsentry *dfse = file->private_data; - struct snd_sof_dev *sdev = dfse->sdev; - struct sof_probe_point_desc *desc; - size_t num_desc, len = 0; - char *buf; - int i, ret; - - if (sdev->extractor_stream_tag == SOF_PROBE_INVALID_NODE_ID) { - dev_warn(sdev->dev, "no extractor stream running\n"); - return -ENOENT; - } - - buf = kzalloc(PAGE_SIZE, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - ret = sof_ipc_probe_points_info(sdev, &desc, &num_desc); - if (ret < 0) - goto exit; - - for (i = 0; i < num_desc; i++) { - ret = snprintf(buf + len, PAGE_SIZE - len, - "Id: %#010x Purpose: %d Node id: %#x\n", - desc[i].buffer_id, desc[i].purpose, desc[i].stream_tag); - if (ret < 0) - goto free_desc; - len += ret; - } - - ret = simple_read_from_buffer(to, count, ppos, buf, len); -free_desc: - kfree(desc); -exit: - kfree(buf); - return ret; -} - -static ssize_t probe_points_write(struct file *file, - const char __user *from, size_t count, loff_t *ppos) -{ - struct snd_sof_dfsentry *dfse = file->private_data; - struct snd_sof_dev *sdev = dfse->sdev; - struct sof_probe_point_desc *desc; - size_t num_tkns, bytes; - u32 *tkns; - int ret; - - if (sdev->extractor_stream_tag == SOF_PROBE_INVALID_NODE_ID) { - dev_warn(sdev->dev, "no extractor stream running\n"); - return -ENOENT; - } - - ret = tokenize_input(from, count, ppos, &tkns, &num_tkns); - if (ret < 0) - return ret; - bytes = sizeof(*tkns) * num_tkns; - if (!num_tkns || (bytes % sizeof(*desc))) { - ret = -EINVAL; - goto exit; - } - - desc = (struct sof_probe_point_desc *)tkns; - ret = sof_ipc_probe_points_add(sdev, - desc, bytes / sizeof(*desc)); - if (!ret) - ret = count; -exit: - kfree(tkns); - return ret; -} - -static const struct file_operations probe_points_fops = { - .open = simple_open, - .read = probe_points_read, - .write = probe_points_write, - .llseek = default_llseek, -}; - -static ssize_t probe_points_remove_write(struct file *file, - const char __user *from, size_t count, loff_t *ppos) -{ - struct snd_sof_dfsentry *dfse = file->private_data; - struct snd_sof_dev *sdev = dfse->sdev; - size_t num_tkns; - u32 *tkns; - int ret; - - if (sdev->extractor_stream_tag == SOF_PROBE_INVALID_NODE_ID) { - dev_warn(sdev->dev, "no extractor stream running\n"); - return -ENOENT; - } - - ret = tokenize_input(from, count, ppos, &tkns, &num_tkns); - if (ret < 0) - return ret; - if (!num_tkns) { - ret = -EINVAL; - goto exit; - } - - ret = sof_ipc_probe_points_remove(sdev, tkns, num_tkns); - if (!ret) - ret = count; -exit: - kfree(tkns); - return ret; -} - -static const struct file_operations probe_points_remove_fops = { - .open = simple_open, - .write = probe_points_remove_write, - .llseek = default_llseek, -}; - -static int snd_sof_debugfs_probe_item(struct snd_sof_dev *sdev, - const char *name, mode_t mode, - const struct file_operations *fops) -{ - struct snd_sof_dfsentry *dfse; - - dfse = devm_kzalloc(sdev->dev, sizeof(*dfse), GFP_KERNEL); - if (!dfse) - return -ENOMEM; - - dfse->type = SOF_DFSENTRY_TYPE_BUF; - dfse->sdev = sdev; - - debugfs_create_file(name, mode, sdev->debugfs_root, dfse, fops); - /* add to dfsentry list */ - list_add(&dfse->list, &sdev->dfsentry_list); - - return 0; -} -#endif - -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST) -#define MAX_IPC_FLOOD_DURATION_MS 1000 -#define MAX_IPC_FLOOD_COUNT 10000 -#define IPC_FLOOD_TEST_RESULT_LEN 512 - -static int sof_debug_ipc_flood_test(struct snd_sof_dev *sdev, - struct snd_sof_dfsentry *dfse, - bool flood_duration_test, - unsigned long ipc_duration_ms, - unsigned long ipc_count) -{ - struct sof_ipc_cmd_hdr hdr; - struct sof_ipc_reply reply; - u64 min_response_time = U64_MAX; - ktime_t start, end, test_end; - u64 avg_response_time = 0; - u64 max_response_time = 0; - u64 ipc_response_time; - int i = 0; - int ret; - - /* configure test IPC */ - hdr.cmd = SOF_IPC_GLB_TEST_MSG | SOF_IPC_TEST_IPC_FLOOD; - hdr.size = sizeof(hdr); - - /* set test end time for duration flood test */ - if (flood_duration_test) - test_end = ktime_get_ns() + ipc_duration_ms * NSEC_PER_MSEC; - - /* send test IPC's */ - while (1) { - start = ktime_get(); - ret = sof_ipc_tx_message(sdev->ipc, hdr.cmd, &hdr, hdr.size, - &reply, sizeof(reply)); - end = ktime_get(); - - if (ret < 0) - break; - - /* compute min and max response times */ - ipc_response_time = ktime_to_ns(ktime_sub(end, start)); - min_response_time = min(min_response_time, ipc_response_time); - max_response_time = max(max_response_time, ipc_response_time); - - /* sum up response times */ - avg_response_time += ipc_response_time; - i++; - - /* test complete? */ - if (flood_duration_test) { - if (ktime_to_ns(end) >= test_end) - break; - } else { - if (i == ipc_count) - break; - } - } - - if (ret < 0) - dev_err(sdev->dev, - "error: ipc flood test failed at %d iterations\n", i); - - /* return if the first IPC fails */ - if (!i) - return ret; - - /* compute average response time */ - do_div(avg_response_time, i); - - /* clear previous test output */ - memset(dfse->cache_buf, 0, IPC_FLOOD_TEST_RESULT_LEN); - - if (flood_duration_test) { - dev_dbg(sdev->dev, "IPC Flood test duration: %lums\n", - ipc_duration_ms); - snprintf(dfse->cache_buf, IPC_FLOOD_TEST_RESULT_LEN, - "IPC Flood test duration: %lums\n", ipc_duration_ms); - } - - dev_dbg(sdev->dev, - "IPC Flood count: %d, Avg response time: %lluns\n", - i, avg_response_time); - dev_dbg(sdev->dev, "Max response time: %lluns\n", - max_response_time); - dev_dbg(sdev->dev, "Min response time: %lluns\n", - min_response_time); - - /* format output string */ - snprintf(dfse->cache_buf + strlen(dfse->cache_buf), - IPC_FLOOD_TEST_RESULT_LEN - strlen(dfse->cache_buf), - "IPC Flood count: %d\nAvg response time: %lluns\n", - i, avg_response_time); - - snprintf(dfse->cache_buf + strlen(dfse->cache_buf), - IPC_FLOOD_TEST_RESULT_LEN - strlen(dfse->cache_buf), - "Max response time: %lluns\nMin response time: %lluns\n", - max_response_time, min_response_time); - - return ret; -} -#endif - static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos) { -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST) - struct snd_sof_dfsentry *dfse = file->private_data; - struct snd_sof_dev *sdev = dfse->sdev; - unsigned long ipc_duration_ms = 0; - bool flood_duration_test = false; - unsigned long ipc_count = 0; - struct dentry *dentry; - int err; -#endif size_t size; char *string; int ret; - string = kzalloc(count, GFP_KERNEL); + string = kzalloc(count+1, GFP_KERNEL); if (!string) return -ENOMEM; size = simple_write_to_buffer(string, count, ppos, buffer, count); ret = size; -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST) - /* - * write op is only supported for ipc_flood_count or - * ipc_flood_duration_ms debugfs entries atm. - * ipc_flood_count floods the DSP with the number of IPC's specified. - * ipc_duration_ms test floods the DSP for the time specified - * in the debugfs entry. - */ - dentry = file->f_path.dentry; - if (strcmp(dentry->d_name.name, "ipc_flood_count") && - strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) { - ret = -EINVAL; - goto out; - } - - if (!strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) - flood_duration_test = true; - - /* test completion criterion */ - if (flood_duration_test) - ret = kstrtoul(string, 0, &ipc_duration_ms); - else - ret = kstrtoul(string, 0, &ipc_count); - if (ret < 0) - goto out; - - /* limit max duration/ipc count for flood test */ - if (flood_duration_test) { - if (!ipc_duration_ms) { - ret = size; - goto out; - } - - /* find the minimum. min() is not used to avoid warnings */ - if (ipc_duration_ms > MAX_IPC_FLOOD_DURATION_MS) - ipc_duration_ms = MAX_IPC_FLOOD_DURATION_MS; - } else { - if (!ipc_count) { - ret = size; - goto out; - } - - /* find the minimum. min() is not used to avoid warnings */ - if (ipc_count > MAX_IPC_FLOOD_COUNT) - ipc_count = MAX_IPC_FLOOD_COUNT; - } - - ret = pm_runtime_get_sync(sdev->dev); - if (ret < 0) { - dev_err_ratelimited(sdev->dev, - "error: debugfs write failed to resume %d\n", - ret); - pm_runtime_put_noidle(sdev->dev); - goto out; - } - - /* flood test */ - ret = sof_debug_ipc_flood_test(sdev, dfse, flood_duration_test, - ipc_duration_ms, ipc_count); - - pm_runtime_mark_last_busy(sdev->dev); - err = pm_runtime_put_autosuspend(sdev->dev); - if (err < 0) - dev_err_ratelimited(sdev->dev, - "error: debugfs write failed to idle %d\n", - err); - - /* return size if test is successful */ - if (ret >= 0) - ret = size; -out: -#endif kfree(string); return ret; } @@ -444,25 +48,6 @@ static ssize_t sof_dfsentry_read(struct file *file, char __user *buffer, int size; u8 *buf; -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST) - struct dentry *dentry; - - dentry = file->f_path.dentry; - if ((!strcmp(dentry->d_name.name, "ipc_flood_count") || - !strcmp(dentry->d_name.name, "ipc_flood_duration_ms")) && - dfse->cache_buf) { - if (*ppos) - return 0; - - count = strlen(dfse->cache_buf); - size_ret = copy_to_user(buffer, dfse->cache_buf, count); - if (size_ret) - return -EFAULT; - - *ppos += count; - return count; - } -#endif size = dfse->size; /* validate position & count */ @@ -545,10 +130,10 @@ static const struct file_operations sof_dfs_fops = { }; /* create FS entry for debug files that can expose DSP memories, registers */ -int snd_sof_debugfs_io_item(struct snd_sof_dev *sdev, - void __iomem *base, size_t size, - const char *name, - enum sof_debugfs_access_type access_type) +static int snd_sof_debugfs_io_item(struct snd_sof_dev *sdev, + void __iomem *base, size_t size, + const char *name, + enum sof_debugfs_access_type access_type) { struct snd_sof_dfsentry *dfse; @@ -585,7 +170,21 @@ int snd_sof_debugfs_io_item(struct snd_sof_dev *sdev, return 0; } -EXPORT_SYMBOL_GPL(snd_sof_debugfs_io_item); + +int snd_sof_debugfs_add_region_item_iomem(struct snd_sof_dev *sdev, + enum snd_sof_fw_blk_type blk_type, u32 offset, + size_t size, const char *name, + enum sof_debugfs_access_type access_type) +{ + int bar = snd_sof_dsp_get_bar_index(sdev, blk_type); + + if (bar < 0) + return bar; + + return snd_sof_debugfs_io_item(sdev, sdev->bar[bar] + offset, size, name, + access_type); +} +EXPORT_SYMBOL_GPL(snd_sof_debugfs_add_region_item_iomem); /* create FS entry for debug files to expose kernel memory */ int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev, @@ -606,17 +205,6 @@ int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev, dfse->size = size; dfse->sdev = sdev; -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST) - /* - * cache_buf is unused for SOF_DFSENTRY_TYPE_BUF debugfs entries. - * So, use it to save the results of the last IPC flood test. - */ - dfse->cache_buf = devm_kzalloc(sdev->dev, IPC_FLOOD_TEST_RESULT_LEN, - GFP_KERNEL); - if (!dfse->cache_buf) - return -ENOMEM; -#endif - debugfs_create_file(name, mode, sdev->debugfs_root, dfse, &sof_dfs_fops); /* add to dfsentry list */ @@ -626,9 +214,123 @@ int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev, } EXPORT_SYMBOL_GPL(snd_sof_debugfs_buf_item); +static int memory_info_update(struct snd_sof_dev *sdev, char *buf, size_t buff_size) +{ + struct sof_ipc_cmd_hdr msg = { + .size = sizeof(struct sof_ipc_cmd_hdr), + .cmd = SOF_IPC_GLB_DEBUG | SOF_IPC_DEBUG_MEM_USAGE, + }; + struct sof_ipc_dbg_mem_usage *reply; + int len; + int ret; + int i; + + reply = kmalloc(SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL); + if (!reply) + return -ENOMEM; + + ret = pm_runtime_resume_and_get(sdev->dev); + if (ret < 0 && ret != -EACCES) { + dev_err(sdev->dev, "error: enabling device failed: %d\n", ret); + goto error; + } + + ret = sof_ipc_tx_message(sdev->ipc, &msg, msg.size, reply, SOF_IPC_MSG_MAX_SIZE); + pm_runtime_mark_last_busy(sdev->dev); + pm_runtime_put_autosuspend(sdev->dev); + if (ret < 0 || reply->rhdr.error < 0) { + ret = min(ret, reply->rhdr.error); + dev_err(sdev->dev, "error: reading memory info failed, %d\n", ret); + goto error; + } + + if (struct_size(reply, elems, reply->num_elems) != reply->rhdr.hdr.size) { + dev_err(sdev->dev, "error: invalid memory info ipc struct size, %d\n", + reply->rhdr.hdr.size); + ret = -EINVAL; + goto error; + } + + for (i = 0, len = 0; i < reply->num_elems; i++) { + ret = scnprintf(buf + len, buff_size - len, "zone %d.%d used %#8x free %#8x\n", + reply->elems[i].zone, reply->elems[i].id, + reply->elems[i].used, reply->elems[i].free); + if (ret < 0) + goto error; + len += ret; + } + + ret = len; +error: + kfree(reply); + return ret; +} + +static ssize_t memory_info_read(struct file *file, char __user *to, size_t count, loff_t *ppos) +{ + struct snd_sof_dfsentry *dfse = file->private_data; + struct snd_sof_dev *sdev = dfse->sdev; + int data_length; + + /* read memory info from FW only once for each file read */ + if (!*ppos) { + dfse->buf_data_size = 0; + data_length = memory_info_update(sdev, dfse->buf, dfse->size); + if (data_length < 0) + return data_length; + dfse->buf_data_size = data_length; + } + + return simple_read_from_buffer(to, count, ppos, dfse->buf, dfse->buf_data_size); +} + +static int memory_info_open(struct inode *inode, struct file *file) +{ + struct snd_sof_dfsentry *dfse = inode->i_private; + struct snd_sof_dev *sdev = dfse->sdev; + + file->private_data = dfse; + + /* allocate buffer memory only in first open run, to save memory when unused */ + if (!dfse->buf) { + dfse->buf = devm_kmalloc(sdev->dev, PAGE_SIZE, GFP_KERNEL); + if (!dfse->buf) + return -ENOMEM; + dfse->size = PAGE_SIZE; + } + + return 0; +} + +static const struct file_operations memory_info_fops = { + .open = memory_info_open, + .read = memory_info_read, + .llseek = default_llseek, +}; + +int snd_sof_dbg_memory_info_init(struct snd_sof_dev *sdev) +{ + struct snd_sof_dfsentry *dfse; + + dfse = devm_kzalloc(sdev->dev, sizeof(*dfse), GFP_KERNEL); + if (!dfse) + return -ENOMEM; + + /* don't allocate buffer before first usage, to save memory when unused */ + dfse->type = SOF_DFSENTRY_TYPE_BUF; + dfse->sdev = sdev; + + debugfs_create_file("memory_info", 0444, sdev->debugfs_root, dfse, &memory_info_fops); + + /* add to dfsentry list */ + list_add(&dfse->list, &sdev->dfsentry_list); + return 0; +} +EXPORT_SYMBOL_GPL(snd_sof_dbg_memory_info_init); + int snd_sof_dbg_init(struct snd_sof_dev *sdev) { - const struct snd_sof_dsp_ops *ops = sof_ops(sdev); + struct snd_sof_dsp_ops *ops = sof_ops(sdev); const struct snd_sof_debugfs_map *map; int i; int err; @@ -651,57 +353,100 @@ int snd_sof_dbg_init(struct snd_sof_dev *sdev) return err; } -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES) - err = snd_sof_debugfs_probe_item(sdev, "probe_points", - 0644, &probe_points_fops); - if (err < 0) - return err; - err = snd_sof_debugfs_probe_item(sdev, "probe_points_remove", - 0200, &probe_points_remove_fops); - if (err < 0) - return err; -#endif + return snd_sof_debugfs_buf_item(sdev, &sdev->fw_state, + sizeof(sdev->fw_state), + "fw_state", 0444); +} +EXPORT_SYMBOL_GPL(snd_sof_dbg_init); -#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST) - /* create read-write ipc_flood_count debugfs entry */ - err = snd_sof_debugfs_buf_item(sdev, NULL, 0, - "ipc_flood_count", 0666); +void snd_sof_free_debug(struct snd_sof_dev *sdev) +{ + debugfs_remove_recursive(sdev->debugfs_root); +} +EXPORT_SYMBOL_GPL(snd_sof_free_debug); - /* errors are only due to memory allocation, not debugfs */ - if (err < 0) - return err; +static const struct soc_fw_state_info { + enum sof_fw_state state; + const char *name; +} fw_state_dbg[] = { + {SOF_FW_BOOT_NOT_STARTED, "SOF_FW_BOOT_NOT_STARTED"}, + {SOF_DSPLESS_MODE, "SOF_DSPLESS_MODE"}, + {SOF_FW_BOOT_PREPARE, "SOF_FW_BOOT_PREPARE"}, + {SOF_FW_BOOT_IN_PROGRESS, "SOF_FW_BOOT_IN_PROGRESS"}, + {SOF_FW_BOOT_FAILED, "SOF_FW_BOOT_FAILED"}, + {SOF_FW_BOOT_READY_FAILED, "SOF_FW_BOOT_READY_FAILED"}, + {SOF_FW_BOOT_READY_OK, "SOF_FW_BOOT_READY_OK"}, + {SOF_FW_BOOT_COMPLETE, "SOF_FW_BOOT_COMPLETE"}, + {SOF_FW_CRASHED, "SOF_FW_CRASHED"}, +}; - /* create read-write ipc_flood_duration_ms debugfs entry */ - err = snd_sof_debugfs_buf_item(sdev, NULL, 0, - "ipc_flood_duration_ms", 0666); +static void snd_sof_dbg_print_fw_state(struct snd_sof_dev *sdev, const char *level) +{ + int i; - /* errors are only due to memory allocation, not debugfs */ - if (err < 0) - return err; -#endif + for (i = 0; i < ARRAY_SIZE(fw_state_dbg); i++) { + if (sdev->fw_state == fw_state_dbg[i].state) { + dev_printk(level, sdev->dev, "fw_state: %s (%d)\n", + fw_state_dbg[i].name, i); + return; + } + } - return 0; + dev_printk(level, sdev->dev, "fw_state: UNKNOWN (%d)\n", sdev->fw_state); } -EXPORT_SYMBOL_GPL(snd_sof_dbg_init); -void snd_sof_free_debug(struct snd_sof_dev *sdev) +void snd_sof_dsp_dbg_dump(struct snd_sof_dev *sdev, const char *msg, u32 flags) { - debugfs_remove_recursive(sdev->debugfs_root); + char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR; + bool print_all = sof_debug_check_flag(SOF_DBG_PRINT_ALL_DUMPS); + + if (flags & SOF_DBG_DUMP_OPTIONAL && !print_all) + return; + + if (sof_ops(sdev)->dbg_dump && !sdev->dbg_dump_printed) { + dev_printk(level, sdev->dev, + "------------[ DSP dump start ]------------\n"); + if (msg) + dev_printk(level, sdev->dev, "%s\n", msg); + snd_sof_dbg_print_fw_state(sdev, level); + sof_ops(sdev)->dbg_dump(sdev, flags); + dev_printk(level, sdev->dev, + "------------[ DSP dump end ]------------\n"); + if (!print_all) + sdev->dbg_dump_printed = true; + } else if (msg) { + dev_printk(level, sdev->dev, "%s\n", msg); + } } -EXPORT_SYMBOL_GPL(snd_sof_free_debug); +EXPORT_SYMBOL(snd_sof_dsp_dbg_dump); -void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev) +static void snd_sof_ipc_dump(struct snd_sof_dev *sdev) { - if (IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_RETAIN_DSP_CONTEXT) || - (sof_core_debug & SOF_DBG_RETAIN_CTX)) { + if (sof_ops(sdev)->ipc_dump && !sdev->ipc_dump_printed) { + dev_err(sdev->dev, "------------[ IPC dump start ]------------\n"); + sof_ops(sdev)->ipc_dump(sdev); + dev_err(sdev->dev, "------------[ IPC dump end ]------------\n"); + if (!sof_debug_check_flag(SOF_DBG_PRINT_ALL_DUMPS)) + sdev->ipc_dump_printed = true; + } +} + +void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev, const char *msg) +{ + if ((IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_RETAIN_DSP_CONTEXT) || + sof_debug_check_flag(SOF_DBG_RETAIN_CTX)) && !sdev->d3_prevented) { /* should we prevent DSP entering D3 ? */ - dev_info(sdev->dev, "info: preventing DSP entering D3 state to preserve context\n"); - pm_runtime_get_noresume(sdev->dev); + if (!sdev->ipc_dump_printed) + dev_info(sdev->dev, + "Attempting to prevent DSP from entering D3 state to preserve context\n"); + + if (pm_runtime_get_if_in_use(sdev->dev) == 1) + sdev->d3_prevented = true; } /* dump vital information to the logs */ - snd_sof_dsp_dbg_dump(sdev, SOF_DBG_REGS | SOF_DBG_MBOX); snd_sof_ipc_dump(sdev); - snd_sof_trace_notify_for_error(sdev); + snd_sof_dsp_dbg_dump(sdev, msg, SOF_DBG_DUMP_REGS | SOF_DBG_DUMP_MBOX); + sof_fw_trace_fw_crashed(sdev); } EXPORT_SYMBOL(snd_sof_handle_fw_exception); |