[PATCH 24/33] iris: vidc: add debug files

Vikash Garodia
2023-07-28T13:28:52Z

this implements the debugging framework.

Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
Signed-off-by: Vikash Garodia <quic_vgarodia@quicinc.com>
---
.../platform/qcom/iris/vidc/inc/msm_vidc_debug.h | 186 +++++++
.../platform/qcom/iris/vidc/src/msm_vidc_debug.c | 581 +++++++++++++++++++++
2 files changed, 767 insertions(+)
create mode 100644 drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_debug.h
create mode 100644 drivers/media/platform/qcom/iris/vidc/src/msm_vidc_debug.c

diff --git a/drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_debug.h b/drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_debug.h
new file mode 100644
index 0000000..ffced01
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/vidc/inc/msm_vidc_debug.h
@@ -0,0 +1,186 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef __MSM_VIDC_DEBUG__
+#define __MSM_VIDC_DEBUG__
+
+#include <linux/debugfs.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/types.h>
+
+struct msm_vidc_core;
+struct msm_vidc_inst;
+
+#ifndef VIDC_DBG_LABEL
+#define VIDC_DBG_LABEL "msm_vidc"
+#endif
+
+/* Allow only 6 prints/sec */
+#define VIDC_DBG_SESSION_RATELIMIT_INTERVAL (1 * HZ)
+#define VIDC_DBG_SESSION_RATELIMIT_BURST 6
+
+#define VIDC_DBG_TAG_INST VIDC_DBG_LABEL ": %4s: %s: "
+#define VIDC_DBG_TAG_CORE VIDC_DBG_LABEL ": %4s: %08x: %s: "
+#define FW_DBG_TAG VIDC_DBG_LABEL ": %6s: "
+#define DEFAULT_SID ((u32)-1)
+
+#ifndef MSM_VIDC_EMPTY_BRACE
+#define MSM_VIDC_EMPTY_BRACE {},
+#endif
+
+extern unsigned int msm_vidc_debug;
+extern unsigned int msm_fw_debug;
+extern bool msm_vidc_fw_dump;
+
+/* do not modify the log message as it is used in test scripts */
+#define FMT_STRING_SET_CTRL \
+ "%s: state %s, name %s, id 0x%x value %d\n"
+#define FMT_STRING_STATE_CHANGE \
+ "%s: state changed to %s from %s\n"
+#define FMT_STRING_MSG_SFR \
+ "SFR Message from FW: %s\n"
+#define FMT_STRING_FAULT_HANDLER \
+ "%s: faulting address: %lx\n"
+#define FMT_STRING_SET_CAP \
+ "set cap: name: %24s, cap value: %#10x, hfi: %#10llx\n"
+
+/* To enable messages OR these values and
+ * echo the result to debugfs file.
+ *
+ * To enable all messages set msm_vidc_debug = 0x101F
+ */
+
+enum vidc_msg_prio_drv {
+ VIDC_ERR = 0x00000001,
+ VIDC_HIGH = 0x00000002,
+ VIDC_LOW = 0x00000004,
+ VIDC_PERF = 0x00000008,
+ VIDC_PKT = 0x00000010,
+ VIDC_BUS = 0x00000020,
+ VIDC_STAT = 0x00000040,
+ VIDC_ENCODER = 0x00000100,
+ VIDC_DECODER = 0x00000200,
+ VIDC_PRINTK = 0x10000000,
+ VIDC_FTRACE = 0x20000000,
+};
+
+enum vidc_msg_prio_fw {
+ FW_LOW = 0x00000001,
+ FW_MED = 0x00000002,
+ FW_HIGH = 0x00000004,
+ FW_ERROR = 0x00000008,
+ FW_FATAL = 0x00000010,
+ FW_PERF = 0x00000020,
+ FW_CACHE_LOW = 0x00000100,
+ FW_CACHE_MED = 0x00000200,
+ FW_CACHE_HIGH = 0x00000400,
+ FW_CACHE_ERROR = 0x00000800,
+ FW_CACHE_FATAL = 0x00001000,
+ FW_CACHE_PERF = 0x00002000,
+ FW_PRINTK = 0x10000000,
+ FW_FTRACE = 0x20000000,
+};
+
+#define DRV_LOG (VIDC_ERR | VIDC_PRINTK)
+#define DRV_LOGSHIFT (0)
+#define DRV_LOGMASK (0x0FFFFFFF)
+
+#define FW_LOG (FW_ERROR | FW_FATAL | FW_PRINTK)
+#define FW_LOGSHIFT (0)
+#define FW_LOGMASK (0x0FFFFFFF)
+
+#define dprintk_inst(__level, __level_str, inst, __fmt, ...) \
+ do { \
+ if (inst && (msm_vidc_debug & (__level))) { \
+ pr_info(VIDC_DBG_TAG_INST __fmt, \
+ __level_str, \
+ inst->debug_str, \
+ ##__VA_ARGS__); \
+ } \
+ } while (0)
+
+#define i_vpr_e(inst, __fmt, ...) dprintk_inst(VIDC_ERR, "err ", inst, __fmt, ##__VA_ARGS__)
+#define i_vpr_i(inst, __fmt, ...) dprintk_inst(VIDC_HIGH, "high", inst, __fmt, ##__VA_ARGS__)
+#define i_vpr_h(inst, __fmt, ...) dprintk_inst(VIDC_HIGH, "high", inst, __fmt, ##__VA_ARGS__)
+#define i_vpr_l(inst, __fmt, ...) dprintk_inst(VIDC_LOW, "low ", inst, __fmt, ##__VA_ARGS__)
+#define i_vpr_p(inst, __fmt, ...) dprintk_inst(VIDC_PERF, "perf", inst, __fmt, ##__VA_ARGS__)
+#define i_vpr_t(inst, __fmt, ...) dprintk_inst(VIDC_PKT, "pkt ", inst, __fmt, ##__VA_ARGS__)
+#define i_vpr_b(inst, __fmt, ...) dprintk_inst(VIDC_BUS, "bus ", inst, __fmt, ##__VA_ARGS__)
+#define i_vpr_s(inst, __fmt, ...) dprintk_inst(VIDC_STAT, "stat", inst, __fmt, ##__VA_ARGS__)
+
+#define i_vpr_hp(inst, __fmt, ...) \
+ dprintk_inst(VIDC_HIGH | VIDC_PERF, "high", inst, __fmt, ##__VA_ARGS__)
+#define i_vpr_hs(inst, __fmt, ...) \
+ dprintk_inst(VIDC_HIGH | VIDC_STAT, "stat", inst, __fmt, ##__VA_ARGS__)
+
+#define dprintk_core(__level, __level_str, __fmt, ...) \
+ do { \
+ if (msm_vidc_debug & (__level)) { \
+ pr_info(VIDC_DBG_TAG_CORE __fmt, \
+ __level_str, \
+ DEFAULT_SID, \
+ "codec", \
+ ##__VA_ARGS__); \
+ } \
+ } while (0)
+
+#define d_vpr_e(__fmt, ...) dprintk_core(VIDC_ERR, "err ", __fmt, ##__VA_ARGS__)
+#define d_vpr_h(__fmt, ...) dprintk_core(VIDC_HIGH, "high", __fmt, ##__VA_ARGS__)
+#define d_vpr_l(__fmt, ...) dprintk_core(VIDC_LOW, "low ", __fmt, ##__VA_ARGS__)
+#define d_vpr_p(__fmt, ...) dprintk_core(VIDC_PERF, "perf", __fmt, ##__VA_ARGS__)
+#define d_vpr_t(__fmt, ...) dprintk_core(VIDC_PKT, "pkt ", __fmt, ##__VA_ARGS__)
+#define d_vpr_b(__fmt, ...) dprintk_core(VIDC_BUS, "bus ", __fmt, ##__VA_ARGS__)
+#define d_vpr_s(__fmt, ...) dprintk_core(VIDC_STAT, "stat", __fmt, ##__VA_ARGS__)
+#define d_vpr_hs(__fmt, ...) \
+ dprintk_core(VIDC_HIGH | VIDC_STAT, "high", __fmt, ##__VA_ARGS__)
+
+#define dprintk_ratelimit(__level, __level_str, __fmt, ...) \
+ do { \
+ if (msm_vidc_check_ratelimit()) { \
+ dprintk_core(__level, __level_str, __fmt, ##__VA_ARGS__); \
+ } \
+ } while (0)
+
+#define dprintk_firmware(__level, __fmt, ...) \
+ do { \
+ if ((msm_fw_debug & (__level)) & FW_PRINTK) { \
+ pr_info(FW_DBG_TAG __fmt, \
+ "fw", \
+ ##__VA_ARGS__); \
+ } \
+ } while (0)
+
+enum msm_vidc_debugfs_event {
+ MSM_VIDC_DEBUGFS_EVENT_ETB,
+ MSM_VIDC_DEBUGFS_EVENT_EBD,
+ MSM_VIDC_DEBUGFS_EVENT_FTB,
+ MSM_VIDC_DEBUGFS_EVENT_FBD,
+};
+
+enum msm_vidc_bug_on_error {
+ MSM_VIDC_BUG_ON_FATAL = BIT(0),
+ MSM_VIDC_BUG_ON_NOC = BIT(1),
+ MSM_VIDC_BUG_ON_WD_TIMEOUT = BIT(2),
+};
+
+struct dentry *msm_vidc_debugfs_init_drv(void);
+struct dentry *msm_vidc_debugfs_init_core(struct msm_vidc_core *core);
+struct dentry *msm_vidc_debugfs_init_inst(struct msm_vidc_inst *inst,
+ struct dentry *parent);
+void msm_vidc_debugfs_deinit_inst(struct msm_vidc_inst *inst);
+void msm_vidc_debugfs_update(struct msm_vidc_inst *inst,
+ enum msm_vidc_debugfs_event e);
+int msm_vidc_check_ratelimit(void);
+
+static inline bool is_stats_enabled(void)
+{
+ return !!(msm_vidc_debug & VIDC_STAT);
+}
+
+#endif
diff --git a/drivers/media/platform/qcom/iris/vidc/src/msm_vidc_debug.c b/drivers/media/platform/qcom/iris/vidc/src/msm_vidc_debug.c
new file mode 100644
index 0000000..489e8dc
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/vidc/src/msm_vidc_debug.c
@@ -0,0 +1,581 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include "msm_vidc.h"
+#include "msm_vidc_core.h"
+#include "msm_vidc_debug.h"
+#include "msm_vidc_driver.h"
+#include "msm_vidc_inst.h"
+#include "msm_vidc_internal.h"
+
+#define MAX_DEBUG_LEVEL_STRING_LEN 15
+#define MSM_VIDC_MIN_STATS_DELAY_MS 200
+#define MSM_VIDC_MAX_STATS_DELAY_MS 10000
+
+unsigned int msm_vidc_debug = DRV_LOG;
+unsigned int msm_fw_debug = FW_LOG;
+
+static int debug_level_set_drv(const char *val,
+ const struct kernel_param *kp)
+{
+ struct msm_vidc_core *core = NULL;
+ unsigned int dvalue;
+ int ret;
+
+ if (!kp || !kp->arg || !val) {
+ d_vpr_e("%s: Invalid params\n", __func__);
+ return -EINVAL;
+ }
+
+ ret = kstrtouint(val, 0, &dvalue);
+ if (ret)
+ return ret;
+
+ msm_vidc_debug = dvalue;
+
+ core = *(struct msm_vidc_core **)kp->arg;
+
+ if (!core) {
+ d_vpr_e("%s: Invalid core/capabilities\n", __func__);
+ return 0;
+ }
+
+ /* check if driver is more than default level */
+ if ((dvalue & DRV_LOGMASK) & ~(DRV_LOG)) {
+ core->capabilities[HW_RESPONSE_TIMEOUT].value = 4 * HW_RESPONSE_TIMEOUT_VALUE;
+ core->capabilities[SW_PC_DELAY].value = 4 * SW_PC_DELAY_VALUE;
+ core->capabilities[FW_UNLOAD_DELAY].value = 4 * FW_UNLOAD_DELAY_VALUE;
+ } else {
+ /* reset timeout values, if user reduces the logging */
+ core->capabilities[HW_RESPONSE_TIMEOUT].value = HW_RESPONSE_TIMEOUT_VALUE;
+ core->capabilities[SW_PC_DELAY].value = SW_PC_DELAY_VALUE;
+ core->capabilities[FW_UNLOAD_DELAY].value = FW_UNLOAD_DELAY_VALUE;
+ }
+
+ d_vpr_h("timeout for driver: hw_response %u, sw_pc %u, fw_unload %u, debug_level %#x\n",
+ core->capabilities[HW_RESPONSE_TIMEOUT].value,
+ core->capabilities[SW_PC_DELAY].value,
+ core->capabilities[FW_UNLOAD_DELAY].value,
+ msm_vidc_debug);
+
+ return 0;
+}
+
+static int debug_level_set_fw(const char *val,
+ const struct kernel_param *kp)
+{
+ struct msm_vidc_core *core = NULL;
+ unsigned int dvalue;
+ int ret;
+
+ if (!kp || !kp->arg || !val) {
+ d_vpr_e("%s: Invalid params\n", __func__);
+ return -EINVAL;
+ }
+
+ ret = kstrtouint(val, 0, &dvalue);
+ if (ret)
+ return ret;
+
+ msm_fw_debug = dvalue;
+
+ core = *(struct msm_vidc_core **)kp->arg;
+
+ if (!core) {
+ d_vpr_e("%s: Invalid core/capabilities\n", __func__);
+ return 0;
+ }
+
+ /* check if firmware is more than default level */
+ if ((dvalue & FW_LOGMASK) & ~(FW_LOG)) {
+ core->capabilities[HW_RESPONSE_TIMEOUT].value = 4 * HW_RESPONSE_TIMEOUT_VALUE;
+ core->capabilities[SW_PC_DELAY].value = 4 * SW_PC_DELAY_VALUE;
+ core->capabilities[FW_UNLOAD_DELAY].value = 4 * FW_UNLOAD_DELAY_VALUE;
+ } else {
+ /* reset timeout values, if user reduces the logging */
+ core->capabilities[HW_RESPONSE_TIMEOUT].value = HW_RESPONSE_TIMEOUT_VALUE;
+ core->capabilities[SW_PC_DELAY].value = SW_PC_DELAY_VALUE;
+ core->capabilities[FW_UNLOAD_DELAY].value = FW_UNLOAD_DELAY_VALUE;
+ }
+
+ d_vpr_h("timeout for firmware: hw_response %u, sw_pc %u, fw_unload %u, debug_level %#x\n",
+ core->capabilities[HW_RESPONSE_TIMEOUT].value,
+ core->capabilities[SW_PC_DELAY].value,
+ core->capabilities[FW_UNLOAD_DELAY].value,
+ msm_fw_debug);
+
+ return 0;
+}
+
+static int debug_level_get_drv(char *buffer, const struct kernel_param *kp)
+{
+ return scnprintf(buffer, PAGE_SIZE, "%#x", msm_vidc_debug);
+}
+
+static int debug_level_get_fw(char *buffer, const struct kernel_param *kp)
+{
+ return scnprintf(buffer, PAGE_SIZE, "%#x", msm_fw_debug);
+}
+
+static const struct kernel_param_ops msm_vidc_debug_fops = {
+ .set = debug_level_set_drv,
+ .get = debug_level_get_drv,
+};
+
+static const struct kernel_param_ops msm_fw_debug_fops = {
+ .set = debug_level_set_fw,
+ .get = debug_level_get_fw,
+};
+
+static int fw_dump_set(const char *val, const struct kernel_param *kp)
+{
+ unsigned int dvalue;
+ int ret;
+
+ if (!kp || !kp->arg || !val) {
+ d_vpr_e("%s: Invalid params\n", __func__);
+ return -EINVAL;
+ }
+
+ ret = kstrtouint(val, 0, &dvalue);
+ if (ret)
+ return ret;
+
+ msm_vidc_fw_dump = dvalue;
+
+ d_vpr_h("fw dump %s\n", msm_vidc_fw_dump ? "Enabled" : "Disabled");
+
+ return 0;
+}
+
+static int fw_dump_get(char *buffer, const struct kernel_param *kp)
+{
+ return scnprintf(buffer, PAGE_SIZE, "%#x", msm_vidc_fw_dump);
+}
+
+static const struct kernel_param_ops msm_vidc_fw_dump_fops = {
+ .set = fw_dump_set,
+ .get = fw_dump_get,
+};
+
+module_param_cb(msm_vidc_debug, &msm_vidc_debug_fops, &g_core, 0644);
+module_param_cb(msm_fw_debug, &msm_fw_debug_fops, &g_core, 0644);
+module_param_cb(msm_vidc_fw_dump, &msm_vidc_fw_dump_fops, &g_core, 0644);
+
+bool msm_vidc_fw_dump = !true;
+EXPORT_SYMBOL(msm_vidc_fw_dump);
+
+#define MAX_DBG_BUF_SIZE 4096
+
+struct core_inst_pair {
+ struct msm_vidc_core *core;
+ struct msm_vidc_inst *inst;
+};
+
+/* debug fs support */
+
+static u32 write_str(char *buffer, size_t size, const char *fmt, ...)
+{
+ va_list args;
+ u32 len;
+
+ va_start(args, fmt);
+ len = vscnprintf(buffer, size, fmt, args);
+ va_end(args);
+ return len;
+}
+
+static ssize_t core_info_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct msm_vidc_core *core = file->private_data;
+ char *cur, *end, *dbuf = NULL;
+ ssize_t len = 0;
+
+ if (!core) {
+ d_vpr_e("%s: invalid params %pK\n", __func__, core);
+ return 0;
+ }
+
+ dbuf = vzalloc(MAX_DBG_BUF_SIZE);
+ if (!dbuf) {
+ d_vpr_e("%s: allocation failed\n", __func__);
+ return -ENOMEM;
+ }
+
+ cur = dbuf;
+ end = cur + MAX_DBG_BUF_SIZE;
+
+ cur += write_str(cur, end - cur, "Core state: %d\n", core->state);
+
+ cur += write_str(cur, end - cur,
+ "FW version : %s\n", core->fw_version);
+ cur += write_str(cur, end - cur,
+ "register_base: 0x%x\n", core->resource->register_base_addr);
+ cur += write_str(cur, end - cur, "irq: %u\n", core->resource->irq);
+
+ len = simple_read_from_buffer(buf, count, ppos, dbuf, cur - dbuf);
+
+ vfree(dbuf);
+ return len;
+}
+
+static const struct file_operations core_info_fops = {
+ .open = simple_open,
+ .read = core_info_read,
+};
+
+static ssize_t stats_delay_write_ms(struct file *filp, const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ int rc = 0;
+ struct msm_vidc_core *core = filp->private_data;
+ char kbuf[MAX_DEBUG_LEVEL_STRING_LEN] = {0};
+ u32 delay_ms = 0;
+
+ if (!core) {
+ d_vpr_e("%s: invalid params %pK\n", __func__, core);
+ return 0;
+ }
+
+ /* filter partial writes and invalid commands */
+ if (*ppos != 0 || count >= sizeof(kbuf) || count == 0) {
+ d_vpr_e("returning error - pos %lld, count %lu\n", *ppos, count);
+ rc = -EINVAL;
+ }
+
+ rc = simple_write_to_buffer(kbuf, sizeof(kbuf) - 1, ppos, buf, count);
+ if (rc < 0) {
+ d_vpr_e("%s: User memory fault\n", __func__);
+ rc = -EFAULT;
+ goto exit;
+ }
+
+ rc = kstrtoint(kbuf, 0, &delay_ms);
+ if (rc) {
+ d_vpr_e("returning error err %d\n", rc);
+ rc = -EINVAL;
+ goto exit;
+ }
+ delay_ms = clamp_t(u32, delay_ms, MSM_VIDC_MIN_STATS_DELAY_MS, MSM_VIDC_MAX_STATS_DELAY_MS);
+ core->capabilities[STATS_TIMEOUT_MS].value = delay_ms;
+ d_vpr_h("Stats delay is updated to - %d ms\n", delay_ms);
+
+exit:
+ return rc;
+}
+
+static ssize_t stats_delay_read_ms(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ size_t len;
+ char kbuf[MAX_DEBUG_LEVEL_STRING_LEN];
+ struct msm_vidc_core *core = file->private_data;
+
+ if (!core) {
+ d_vpr_e("%s: invalid params %pK\n", __func__, core);
+ return 0;
+ }
+
+ len = scnprintf(kbuf, sizeof(kbuf), "%u\n", core->capabilities[STATS_TIMEOUT_MS].value);
+ return simple_read_from_buffer(buf, count, ppos, kbuf, len);
+}
+
+static const struct file_operations stats_delay_fops = {
+ .open = simple_open,
+ .write = stats_delay_write_ms,
+ .read = stats_delay_read_ms,
+};
+
+struct dentry *msm_vidc_debugfs_init_drv(void)
+{
+ struct dentry *dir = NULL;
+
+ dir = debugfs_create_dir("msm_vidc", NULL);
+ if (IS_ERR_OR_NULL(dir)) {
+ dir = NULL;
+ goto failed_create_dir;
+ }
+
+ return dir;
+
+failed_create_dir:
+ debugfs_remove_recursive(dir);
+
+ return NULL;
+}
+
+struct dentry *msm_vidc_debugfs_init_core(struct msm_vidc_core *core)
+{
+ struct dentry *dir = NULL;
+ char debugfs_name[MAX_DEBUGFS_NAME];
+ struct dentry *parent;
+
+ if (!core->debugfs_parent) {
+ d_vpr_e("%s: invalid params\n", __func__);
+ goto failed_create_dir;
+ }
+ parent = core->debugfs_parent;
+
+ snprintf(debugfs_name, MAX_DEBUGFS_NAME, "core");
+ dir = debugfs_create_dir(debugfs_name, parent);
+ if (IS_ERR_OR_NULL(dir)) {
+ dir = NULL;
+ d_vpr_e("Failed to create debugfs for msm_vidc\n");
+ goto failed_create_dir;
+ }
+ if (!debugfs_create_file("info", 0444, dir, core, &core_info_fops)) {
+ d_vpr_e("debugfs_create_file: fail\n");
+ goto failed_create_dir;
+ }
+
+ if (!debugfs_create_file("stats_delay_ms", 0644, dir, core, &stats_delay_fops)) {
+ d_vpr_e("debugfs_create_file: fail\n");
+ goto failed_create_dir;
+ }
+failed_create_dir:
+ return dir;
+}
+
+static int inst_info_open(struct inode *inode, struct file *file)
+{
+ d_vpr_l("Open inode ptr: %pK\n", inode->i_private);
+ file->private_data = inode->i_private;
+ return 0;
+}
+
+static ssize_t inst_info_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct core_inst_pair *idata = file->private_data;
+ struct msm_vidc_core *core;
+ struct msm_vidc_inst *inst;
+ char *cur, *end, *dbuf = NULL;
+ int i, j;
+ ssize_t len = 0;
+ struct v4l2_format *f;
+
+ if (!idata || !idata->core || !idata->inst) {
+ d_vpr_e("%s: invalid params %pK\n", __func__, idata);
+ return 0;
+ }
+
+ core = idata->core;
+ inst = idata->inst;
+
+ inst = get_inst(core, inst->session_id);
+ if (!inst) {
+ d_vpr_h("%s: instance has become obsolete", __func__);
+ return 0;
+ }
+
+ dbuf = vzalloc(MAX_DBG_BUF_SIZE);
+ if (!dbuf) {
+ d_vpr_e("%s: allocation failed\n", __func__);
+ len = -ENOMEM;
+ goto failed_alloc;
+ }
+ cur = dbuf;
+ end = cur + MAX_DBG_BUF_SIZE;
+
+ f = &inst->fmts[OUTPUT_PORT];
+ cur += write_str(cur, end - cur, "==============================\n");
+ cur += write_str(cur, end - cur, "INSTANCE: %pK (%s)\n", inst,
+ inst->domain == MSM_VIDC_ENCODER ? "Encoder" : "Decoder");
+ cur += write_str(cur, end - cur, "==============================\n");
+ cur += write_str(cur, end - cur, "core: %pK\n", inst->core);
+ cur += write_str(cur, end - cur, "height: %d\n", f->fmt.pix_mp.height);
+ cur += write_str(cur, end - cur, "width: %d\n", f->fmt.pix_mp.width);
+ cur += write_str(cur, end - cur, "fps: %d\n",
+ inst->capabilities[FRAME_RATE].value >> 16);
+ cur += write_str(cur, end - cur, "state: %d\n", inst->state);
+ cur += write_str(cur, end - cur, "-----------Formats-------------\n");
+ for (i = 0; i < MAX_PORT; i++) {
+ if (i != INPUT_PORT && i != OUTPUT_PORT)
+ continue;
+ f = &inst->fmts[i];
+ cur += write_str(cur, end - cur, "capability: %s\n",
+ i == INPUT_PORT ? "Output" : "Capture");
+ cur += write_str(cur, end - cur, "planes : %d\n",
+ f->fmt.pix_mp.num_planes);
+ cur += write_str(cur, end - cur,
+ "type: %s\n", i == INPUT_PORT ?
+ "Output" : "Capture");
+ cur += write_str(cur, end - cur, "count: %u\n",
+ inst->bufq[i].vb2q->num_buffers);
+
+ for (j = 0; j < f->fmt.pix_mp.num_planes; j++)
+ cur += write_str(cur, end - cur,
+ "size for plane %d: %u\n",
+ j, f->fmt.pix_mp.plane_fmt[j].sizeimage);
+
+ cur += write_str(cur, end - cur, "\n");
+ }
+ cur += write_str(cur, end - cur, "-------------------------------\n");
+ cur += write_str(cur, end - cur, "ETB Count: %d\n",
+ inst->debug_count.etb);
+ cur += write_str(cur, end - cur, "EBD Count: %d\n",
+ inst->debug_count.ebd);
+ cur += write_str(cur, end - cur, "FTB Count: %d\n",
+ inst->debug_count.ftb);
+ cur += write_str(cur, end - cur, "FBD Count: %d\n",
+ inst->debug_count.fbd);
+
+ len = simple_read_from_buffer(buf, count, ppos,
+ dbuf, cur - dbuf);
+
+ vfree(dbuf);
+failed_alloc:
+ put_inst(inst);
+ return len;
+}
+
+static int inst_info_release(struct inode *inode, struct file *file)
+{
+ d_vpr_l("Release inode ptr: %pK\n", inode->i_private);
+ file->private_data = NULL;
+ return 0;
+}
+
+static const struct file_operations inst_info_fops = {
+ .open = inst_info_open,
+ .read = inst_info_read,
+ .release = inst_info_release,
+};
+
+struct dentry *msm_vidc_debugfs_init_inst(struct msm_vidc_inst *inst, struct dentry *parent)
+{
+ struct dentry *dir = NULL, *info = NULL;
+ char debugfs_name[MAX_DEBUGFS_NAME];
+ struct core_inst_pair *idata = NULL;
+
+ snprintf(debugfs_name, MAX_DEBUGFS_NAME, "inst_%d", inst->session_id);
+
+ idata = vzalloc(sizeof(*idata));
+ if (!idata) {
+ i_vpr_e(inst, "%s: allocation failed\n", __func__);
+ goto exit;
+ }
+
+ idata->core = inst->core;
+ idata->inst = inst;
+
+ dir = debugfs_create_dir(debugfs_name, parent);
+ if (IS_ERR_OR_NULL(dir)) {
+ dir = NULL;
+ i_vpr_e(inst,
+ "%s: Failed to create debugfs for msm_vidc\n",
+ __func__);
+ goto failed_create_dir;
+ }
+
+ info = debugfs_create_file("info", 0444, dir,
+ idata, &inst_info_fops);
+ if (IS_ERR_OR_NULL(info)) {
+ i_vpr_e(inst, "%s: debugfs_create_file: fail\n",
+ __func__);
+ goto failed_create_file;
+ }
+
+ dir->d_inode->i_private = info->d_inode->i_private;
+ return dir;
+
+failed_create_file:
+ debugfs_remove_recursive(dir);
+ dir = NULL;
+failed_create_dir:
+ vfree(idata);
+exit:
+ return dir;
+}
+
+void msm_vidc_debugfs_deinit_inst(struct msm_vidc_inst *inst)
+{
+ struct dentry *dentry = NULL;
+
+ if (!inst->debugfs_root)
+ return;
+
+ dentry = inst->debugfs_root;
+ if (dentry->d_inode) {
+ i_vpr_l(inst, "%s: Destroy %pK\n",
+ __func__, dentry->d_inode->i_private);
+ vfree(dentry->d_inode->i_private);
+ dentry->d_inode->i_private = NULL;
+ }
+ debugfs_remove_recursive(dentry);
+ inst->debugfs_root = NULL;
+}
+
+void msm_vidc_debugfs_update(struct msm_vidc_inst *inst,
+ enum msm_vidc_debugfs_event e)
+{
+ switch (e) {
+ case MSM_VIDC_DEBUGFS_EVENT_ETB:
+ inst->debug_count.etb++;
+ if (inst->debug_count.ebd &&
+ inst->debug_count.ftb > inst->debug_count.fbd) {
+ }
+ break;
+ case MSM_VIDC_DEBUGFS_EVENT_EBD:
+ inst->debug_count.ebd++;
+ /*
+ * Host needs to ensure FW at least have 2 buffers available always
+ * one for HW processing and another for fw processing in parallel
+ * to avoid FW starving for buffers
+ */
+ if (inst->debug_count.etb < (inst->debug_count.ebd + 2)) {
+ i_vpr_p(inst,
+ "EBD: FW needs input buffers. Processed etb %llu ebd %llu ftb %llu fbd %llu\n",
+ inst->debug_count.etb, inst->debug_count.ebd,
+ inst->debug_count.ftb, inst->debug_count.fbd);
+ }
+ if (inst->debug_count.fbd &&
+ inst->debug_count.ftb < (inst->debug_count.fbd + 2))
+ i_vpr_p(inst,
+ "EBD: FW needs output buffers. Processed etb %llu ebd %llu ftb %llu fbd %llu\n",
+ inst->debug_count.etb, inst->debug_count.ebd,
+ inst->debug_count.ftb, inst->debug_count.fbd);
+ break;
+ case MSM_VIDC_DEBUGFS_EVENT_FTB:
+ inst->debug_count.ftb++;
+ if (inst->debug_count.ebd &&
+ inst->debug_count.etb > inst->debug_count.ebd) {
+ }
+ break;
+ case MSM_VIDC_DEBUGFS_EVENT_FBD:
+ inst->debug_count.fbd++;
+ /*
+ * Host needs to ensure FW at least have 2 buffers available always
+ * one for HW processing and another for fw processing in parallel
+ * to avoid FW starving for buffers
+ */
+ if (inst->debug_count.ftb < (inst->debug_count.fbd + 2)) {
+ i_vpr_p(inst,
+ "FBD: FW needs output buffers. Processed etb %llu ebd %llu ftb %llu fbd %llu\n",
+ inst->debug_count.etb, inst->debug_count.ebd,
+ inst->debug_count.ftb, inst->debug_count.fbd);
+ }
+ if (inst->debug_count.ebd &&
+ inst->debug_count.etb < (inst->debug_count.ebd + 2))
+ i_vpr_p(inst,
+ "FBD: FW needs input buffers. Processed etb %llu ebd %llu ftb %llu fbd %llu\n",
+ inst->debug_count.etb, inst->debug_count.ebd,
+ inst->debug_count.ftb, inst->debug_count.fbd);
+ break;
+ default:
+ i_vpr_e(inst, "invalid event in debugfs: %d\n", e);
+ break;
+ }
+}
+
+int msm_vidc_check_ratelimit(void)
+{
+ static DEFINE_RATELIMIT_STATE(_rs,
+ VIDC_DBG_SESSION_RATELIMIT_INTERVAL,
+ VIDC_DBG_SESSION_RATELIMIT_BURST);
+ return __ratelimit(&_rs);
+}
--
2.7.4