From patchwork Fri Jul 28 13:23:35 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vikash Garodia X-Patchwork-Id: 13331942 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DB8EC0015E for ; Fri, 28 Jul 2023 13:28:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236838AbjG1N2r (ORCPT ); Fri, 28 Jul 2023 09:28:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236977AbjG1N2R (ORCPT ); Fri, 28 Jul 2023 09:28:17 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A71449FE; Fri, 28 Jul 2023 06:27:36 -0700 (PDT) Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36SBrSNE011914; Fri, 28 Jul 2023 13:26:35 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=X7nFhXYJYyC4Y/Q3Um9IJu6eQkTiTHgAxauTw8MQB6w=; b=N3mm9nlLKN8ek/Ee4v3BhMmyOrk4GC7NclMopS+14l1szeWLVAYSwmBz8+CcAUB8FGmE BzXKacxSwcxgO1wcgLXMrL8EBCao8kqi+hJeTXI6TcnviLfzJCJwvJJcwrIgJrwfviER g1ZiAPX3qa5ESLamVEvDSBZ+bMFf693I45L/wf1qmBggaGd1/5lj9InJyUMTXBi+YmA8 4UdqUvE2dTlT42bokOjl0cbFz4bEAdatiXYLcA1zDJeELeF0LK+BPNr3yZbxBXpdP8as HvC5VRD8amecCTTxVJWGPd36Wymo3w0OpKwS7Hee9DTdnf/XkjQw5UfkkeQaZBf7+iwk LQ== Received: from nasanppmta03.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3s468qs150-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 28 Jul 2023 13:26:34 +0000 Received: from nasanex01a.na.qualcomm.com (nasanex01a.na.qualcomm.com [10.52.223.231]) by NASANPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 36SDQXIm014493 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 28 Jul 2023 13:26:33 GMT Received: from hu-vgarodia-hyd.qualcomm.com (10.80.80.8) by nasanex01a.na.qualcomm.com (10.52.223.231) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Fri, 28 Jul 2023 06:26:30 -0700 From: Vikash Garodia To: , , , , , , , , CC: , Vikash Garodia Subject: [PATCH 24/33] iris: vidc: add debug files Date: Fri, 28 Jul 2023 18:53:35 +0530 Message-ID: <1690550624-14642-25-git-send-email-quic_vgarodia@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1690550624-14642-1-git-send-email-quic_vgarodia@quicinc.com> References: <1690550624-14642-1-git-send-email-quic_vgarodia@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01a.na.qualcomm.com (10.52.223.231) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: MIpiyj7b-8yRl8TkwQkmxvVlWP1rK50h X-Proofpoint-ORIG-GUID: MIpiyj7b-8yRl8TkwQkmxvVlWP1rK50h X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-27_10,2023-07-26_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 impostorscore=0 malwarescore=0 phishscore=0 mlxlogscore=999 mlxscore=0 bulkscore=0 adultscore=0 spamscore=0 lowpriorityscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307280124 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org this implements the debugging framework. Signed-off-by: Dikshita Agarwal Signed-off-by: Vikash Garodia --- .../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 +#include +#include +#include +#include +#include + +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); +}