diff options
| -rw-r--r-- | include/sound/sof/ipc4/header.h | 17 | ||||
| -rw-r--r-- | sound/soc/sof/Makefile | 2 | ||||
| -rw-r--r-- | sound/soc/sof/intel/Makefile | 3 | ||||
| -rw-r--r-- | sound/soc/sof/intel/hda.c | 14 | ||||
| -rw-r--r-- | sound/soc/sof/intel/hda.h | 1 | ||||
| -rw-r--r-- | sound/soc/sof/intel/mtl.c | 3 | ||||
| -rw-r--r-- | sound/soc/sof/intel/telemetry.c | 95 | ||||
| -rw-r--r-- | sound/soc/sof/intel/telemetry.h | 35 | ||||
| -rw-r--r-- | sound/soc/sof/intel/tgl.c | 1 | ||||
| -rw-r--r-- | sound/soc/sof/ipc4-mtrace.c | 34 | ||||
| -rw-r--r-- | sound/soc/sof/ipc4-priv.h | 3 | ||||
| -rw-r--r-- | sound/soc/sof/ipc4-telemetry.c | 95 | ||||
| -rw-r--r-- | sound/soc/sof/ipc4-telemetry.h | 73 | ||||
| -rw-r--r-- | sound/soc/sof/ipc4.c | 29 | ||||
| -rw-r--r-- | sound/soc/sof/xtensa/core.c | 11 |
15 files changed, 391 insertions, 25 deletions
diff --git a/include/sound/sof/ipc4/header.h b/include/sound/sof/ipc4/header.h index c58f00ef054a..574a9d581f88 100644 --- a/include/sound/sof/ipc4/header.h +++ b/include/sound/sof/ipc4/header.h @@ -515,6 +515,23 @@ struct sof_ipc4_notify_resource_data { uint32_t data[6]; } __packed __aligned(4); +#define SOF_IPC4_DEBUG_DESCRIPTOR_SIZE 12 /* 3 x u32 */ + +/* + * The debug memory window is divided into 16 slots, and the + * first slot is used as a recorder for the other 15 slots. + */ +#define SOF_IPC4_MAX_DEBUG_SLOTS 15 +#define SOF_IPC4_DEBUG_SLOT_SIZE 0x1000 + +/* debug log slot types */ +#define SOF_IPC4_DEBUG_SLOT_UNUSED 0x00000000 +#define SOF_IPC4_DEBUG_SLOT_CRITICAL_LOG 0x54524300 /* byte 0: core ID */ +#define SOF_IPC4_DEBUG_SLOT_DEBUG_LOG 0x474f4c00 /* byte 0: core ID */ +#define SOF_IPC4_DEBUG_SLOT_GDB_STUB 0x42444700 +#define SOF_IPC4_DEBUG_SLOT_TELEMETRY 0x4c455400 +#define SOF_IPC4_DEBUG_SLOT_BROKEN 0x44414544 + /** @}*/ #endif diff --git a/sound/soc/sof/Makefile b/sound/soc/sof/Makefile index 58f8d468d967..ef6fd43d0b72 100644 --- a/sound/soc/sof/Makefile +++ b/sound/soc/sof/Makefile @@ -10,7 +10,7 @@ snd-sof-objs += ipc3.o ipc3-loader.o ipc3-topology.o ipc3-control.o ipc3-pcm.o\ endif ifneq ($(CONFIG_SND_SOC_SOF_IPC4),) snd-sof-objs += ipc4.o ipc4-loader.o ipc4-topology.o ipc4-control.o ipc4-pcm.o\ - ipc4-mtrace.o + ipc4-mtrace.o ipc4-telemetry.o endif # SOF client support diff --git a/sound/soc/sof/intel/Makefile b/sound/soc/sof/intel/Makefile index 030574dbc998..6489d0660d58 100644 --- a/sound/soc/sof/intel/Makefile +++ b/sound/soc/sof/intel/Makefile @@ -7,7 +7,8 @@ snd-sof-intel-hda-common-objs := hda.o hda-loader.o hda-stream.o hda-trace.o \ hda-dsp.o hda-ipc.o hda-ctrl.o hda-pcm.o \ hda-dai.o hda-dai-ops.o hda-bus.o \ skl.o hda-loader-skl.o \ - apl.o cnl.o tgl.o icl.o mtl.o lnl.o hda-common-ops.o + apl.o cnl.o tgl.o icl.o mtl.o lnl.o hda-common-ops.o \ + telemetry.o snd-sof-intel-hda-mlink-objs := hda-mlink.o diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index 01de9ce38147..a1732af2b1be 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -31,6 +31,7 @@ #include "../sof-pci-dev.h" #include "../ops.h" #include "hda.h" +#include "telemetry.h" #define CREATE_TRACE_POINTS #include <trace/events/sof_intel.h> @@ -731,6 +732,19 @@ void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags) } } +void hda_ipc4_dsp_dump(struct snd_sof_dev *sdev, u32 flags) +{ + char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR; + + /* print ROM/FW status */ + hda_dsp_get_state(sdev, level); + + if (flags & SOF_DBG_DUMP_REGS) + sof_ipc4_intel_dump_telemetry_state(sdev, flags); + else + hda_dsp_dump_ext_rom_status(sdev, level, flags); +} + static bool hda_check_ipc_irq(struct snd_sof_dev *sdev) { const struct sof_intel_dsp_desc *chip; diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index 2b228c63905b..7c575ba9462c 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -603,6 +603,7 @@ int hda_dsp_shutdown_dma_flush(struct snd_sof_dev *sdev); int hda_dsp_shutdown(struct snd_sof_dev *sdev); int hda_dsp_set_hw_params_upon_resume(struct snd_sof_dev *sdev); void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags); +void hda_ipc4_dsp_dump(struct snd_sof_dev *sdev, u32 flags); void hda_ipc_dump(struct snd_sof_dev *sdev); void hda_ipc_irq_dump(struct snd_sof_dev *sdev); void hda_dsp_d0i3_work(struct work_struct *work); diff --git a/sound/soc/sof/intel/mtl.c b/sound/soc/sof/intel/mtl.c index b84ca58da9d5..0e91169c685e 100644 --- a/sound/soc/sof/intel/mtl.c +++ b/sound/soc/sof/intel/mtl.c @@ -18,6 +18,7 @@ #include "hda-ipc.h" #include "../sof-audio.h" #include "mtl.h" +#include "telemetry.h" static const struct snd_sof_debugfs_map mtl_dsp_debugfs[] = { {"hda", HDA_DSP_HDA_BAR, 0, 0x4000, SOF_DEBUGFS_ACCESS_ALWAYS}, @@ -320,6 +321,8 @@ void mtl_dsp_dump(struct snd_sof_dev *sdev, u32 flags) romdbgsts = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFFLGPXQWY + 0x8 * 3); dev_printk(level, sdev->dev, "ROM feature bit%s enabled\n", romdbgsts & BIT(24) ? "" : " not"); + + sof_ipc4_intel_dump_telemetry_state(sdev, flags); } static bool mtl_dsp_primary_core_is_enabled(struct snd_sof_dev *sdev) diff --git a/sound/soc/sof/intel/telemetry.c b/sound/soc/sof/intel/telemetry.c new file mode 100644 index 000000000000..1a3b5c28a6f0 --- /dev/null +++ b/sound/soc/sof/intel/telemetry.c @@ -0,0 +1,95 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +// +// This file is provided under a dual BSD/GPLv2 license. When using or +// redistributing this file, you may do so under either license. +// +// Copyright(c) 2023 Intel Corporation. All rights reserved. + +/* telemetry data queried from debug window */ + +#include <sound/sof/ipc4/header.h> +#include <sound/sof/xtensa.h> +#include "../ipc4-priv.h" +#include "../sof-priv.h" +#include "hda.h" +#include "telemetry.h" + +void sof_ipc4_intel_dump_telemetry_state(struct snd_sof_dev *sdev, u32 flags) +{ + static const char invalid_slot_msg[] = "Core dump is not available due to"; + struct sof_ipc4_telemetry_slot_data *telemetry_data; + struct sof_ipc_dsp_oops_xtensa *xoops; + struct xtensa_arch_block *block; + u32 slot_offset; + char *level; + + level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR; + + slot_offset = sof_ipc4_find_debug_slot_offset_by_type(sdev, SOF_IPC4_DEBUG_SLOT_TELEMETRY); + if (!slot_offset) + return; + + telemetry_data = kmalloc(sizeof(*telemetry_data), GFP_KERNEL); + if (!telemetry_data) + return; + sof_mailbox_read(sdev, slot_offset, telemetry_data, sizeof(*telemetry_data)); + if (telemetry_data->separator != XTENSA_CORE_DUMP_SEPARATOR) { + dev_err(sdev->dev, "%s invalid separator %#x\n", invalid_slot_msg, + telemetry_data->separator); + goto free_telemetry_data; + } + + block = kmalloc(sizeof(*block), GFP_KERNEL); + if (!block) + goto free_telemetry_data; + + sof_mailbox_read(sdev, slot_offset + sizeof(*telemetry_data), block, sizeof(*block)); + if (block->soc != XTENSA_SOC_INTEL_ADSP) { + dev_err(sdev->dev, "%s invalid SOC %d\n", invalid_slot_msg, block->soc); + goto free_block; + } + + if (telemetry_data->hdr.id[0] != COREDUMP_HDR_ID0 || + telemetry_data->hdr.id[1] != COREDUMP_HDR_ID1 || + telemetry_data->arch_hdr.id != COREDUMP_ARCH_HDR_ID) { + dev_err(sdev->dev, "%s invalid coredump header %c%c, arch hdr %c\n", + invalid_slot_msg, telemetry_data->hdr.id[0], + telemetry_data->hdr.id[1], + telemetry_data->arch_hdr.id); + goto free_block; + } + + switch (block->toolchain) { + case XTENSA_TOOL_CHAIN_ZEPHYR: + dev_printk(level, sdev->dev, "FW is built with Zephyr toolchain\n"); + break; + case XTENSA_TOOL_CHAIN_XCC: + dev_printk(level, sdev->dev, "FW is built with XCC toolchain\n"); + break; + default: + dev_printk(level, sdev->dev, "Unknown toolchain is used\n"); + break; + } + + xoops = kzalloc(struct_size(xoops, ar, XTENSA_CORE_AR_REGS_COUNT), GFP_KERNEL); + if (!xoops) + goto free_block; + + xoops->exccause = block->exccause; + xoops->excvaddr = block->excvaddr; + xoops->epc1 = block->pc; + xoops->ps = block->ps; + xoops->sar = block->sar; + + xoops->plat_hdr.numaregs = XTENSA_CORE_AR_REGS_COUNT; + memcpy((void *)xoops->ar, block->ar, XTENSA_CORE_AR_REGS_COUNT * sizeof(u32)); + + sof_oops(sdev, level, xoops); + sof_stack(sdev, level, xoops, NULL, 0); + + kfree(xoops); +free_block: + kfree(block); +free_telemetry_data: + kfree(telemetry_data); +} diff --git a/sound/soc/sof/intel/telemetry.h b/sound/soc/sof/intel/telemetry.h new file mode 100644 index 000000000000..3c2b23c75f5d --- /dev/null +++ b/sound/soc/sof/intel/telemetry.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * Copyright(c) 2023 Intel Corporation. All rights reserved. + * + * telemetry data in debug windows + */ + +#ifndef _SOF_INTEL_TELEMETRY_H +#define _SOF_INTEL_TELEMETRY_H + +#include "../ipc4-telemetry.h" + +struct xtensa_arch_block { + u8 soc; /* should be equal to XTENSA_SOC_INTEL_ADSP */ + u16 version; + u8 toolchain; /* ZEPHYR or XCC */ + + u32 pc; + u32 exccause; + u32 excvaddr; + u32 sar; + u32 ps; + u32 scompare1; + u32 ar[XTENSA_CORE_AR_REGS_COUNT]; + u32 lbeg; + u32 lend; + u32 lcount; +} __packed; + +void sof_ipc4_intel_dump_telemetry_state(struct snd_sof_dev *sdev, u32 flags); + +#endif /* _SOF_INTEL_TELEMETRY_H */ diff --git a/sound/soc/sof/intel/tgl.c b/sound/soc/sof/intel/tgl.c index 61dfc18a8fc0..f7de1f5ba06d 100644 --- a/sound/soc/sof/intel/tgl.c +++ b/sound/soc/sof/intel/tgl.c @@ -102,6 +102,7 @@ int sof_tgl_ops_init(struct snd_sof_dev *sdev) /* debug */ sof_tgl_ops.ipc_dump = cnl_ipc4_dump; + sof_tgl_ops.dbg_dump = hda_ipc4_dsp_dump; sof_tgl_ops.set_power_state = hda_dsp_set_power_state_ipc4; } diff --git a/sound/soc/sof/ipc4-mtrace.c b/sound/soc/sof/ipc4-mtrace.c index 2b4659a1768e..9f1e33ee8826 100644 --- a/sound/soc/sof/ipc4-mtrace.c +++ b/sound/soc/sof/ipc4-mtrace.c @@ -41,24 +41,12 @@ * The two pointers are offsets within the buffer. */ -#define SOF_MTRACE_DESCRIPTOR_SIZE 12 /* 3 x u32 */ - #define FW_EPOCH_DELTA 11644473600LL -#define INVALID_SLOT_OFFSET 0xffffffff #define MAX_ALLOWED_LIBRARIES 16 -#define MAX_MTRACE_SLOTS 15 - -#define SOF_MTRACE_PAGE_SIZE 0x1000 -#define SOF_MTRACE_SLOT_SIZE SOF_MTRACE_PAGE_SIZE - -/* debug log slot types */ -#define SOF_MTRACE_SLOT_UNUSED 0x00000000 -#define SOF_MTRACE_SLOT_CRITICAL_LOG 0x54524300 /* byte 0: core ID */ -#define SOF_MTRACE_SLOT_DEBUG_LOG 0x474f4c00 /* byte 0: core ID */ -#define SOF_MTRACE_SLOT_GDB_STUB 0x42444700 -#define SOF_MTRACE_SLOT_TELEMETRY 0x4c455400 -#define SOF_MTRACE_SLOT_BROKEN 0x44414544 + +#define SOF_IPC4_INVALID_SLOT_OFFSET 0xffffffff + /* for debug and critical types */ #define SOF_MTRACE_SLOT_CORE_MASK GENMASK(7, 0) #define SOF_MTRACE_SLOT_TYPE_MASK GENMASK(31, 8) @@ -140,7 +128,7 @@ static int sof_ipc4_mtrace_dfs_open(struct inode *inode, struct file *file) if (unlikely(ret)) goto out; - core_data->log_buffer = kmalloc(SOF_MTRACE_SLOT_SIZE, GFP_KERNEL); + core_data->log_buffer = kmalloc(SOF_IPC4_DEBUG_SLOT_SIZE, GFP_KERNEL); if (!core_data->log_buffer) { debugfs_file_put(file->f_path.dentry); ret = -ENOMEM; @@ -212,13 +200,13 @@ static ssize_t sof_ipc4_mtrace_dfs_read(struct file *file, char __user *buffer, return 0; } - if (core_data->slot_offset == INVALID_SLOT_OFFSET) + if (core_data->slot_offset == SOF_IPC4_INVALID_SLOT_OFFSET) return 0; /* The log data buffer starts after the two pointer in the slot */ log_buffer_offset = core_data->slot_offset + (sizeof(u32) * 2); /* The log data size excludes the pointers */ - log_buffer_size = SOF_MTRACE_SLOT_SIZE - (sizeof(u32) * 2); + log_buffer_size = SOF_IPC4_DEBUG_SLOT_SIZE - (sizeof(u32) * 2); read_ptr = core_data->host_read_ptr; write_ptr = core_data->dsp_write_ptr; @@ -510,13 +498,13 @@ static void sof_mtrace_find_core_slots(struct snd_sof_dev *sdev) u32 slot_desc_type_offset, type, core; int i; - for (i = 0; i < MAX_MTRACE_SLOTS; i++) { + for (i = 0; i < SOF_IPC4_MAX_DEBUG_SLOTS; i++) { /* The type is the second u32 in the slot descriptor */ slot_desc_type_offset = sdev->debug_box.offset; - slot_desc_type_offset += SOF_MTRACE_DESCRIPTOR_SIZE * i + sizeof(u32); + slot_desc_type_offset += SOF_IPC4_DEBUG_DESCRIPTOR_SIZE * i + sizeof(u32); sof_mailbox_read(sdev, slot_desc_type_offset, &type, sizeof(type)); - if ((type & SOF_MTRACE_SLOT_TYPE_MASK) == SOF_MTRACE_SLOT_DEBUG_LOG) { + if ((type & SOF_MTRACE_SLOT_TYPE_MASK) == SOF_IPC4_DEBUG_SLOT_DEBUG_LOG) { core = type & SOF_MTRACE_SLOT_CORE_MASK; if (core >= sdev->num_cores) { @@ -533,7 +521,7 @@ static void sof_mtrace_find_core_slots(struct snd_sof_dev *sdev) * debug_box + SOF_MTRACE_SLOT_SIZE offset */ core_data->slot_offset = sdev->debug_box.offset; - core_data->slot_offset += SOF_MTRACE_SLOT_SIZE * (i + 1); + core_data->slot_offset += SOF_IPC4_DEBUG_SLOT_SIZE * (i + 1); dev_dbg(sdev->dev, "slot%d is used for core%u\n", i, core); if (core_data->delayed_pos_update) { sof_ipc4_mtrace_update_pos(sdev, core); @@ -633,7 +621,7 @@ int sof_ipc4_mtrace_update_pos(struct snd_sof_dev *sdev, int core) core_data = &priv->cores[core]; - if (core_data->slot_offset == INVALID_SLOT_OFFSET) { + if (core_data->slot_offset == SOF_IPC4_INVALID_SLOT_OFFSET) { core_data->delayed_pos_update = true; return 0; } diff --git a/sound/soc/sof/ipc4-priv.h b/sound/soc/sof/ipc4-priv.h index a5d0b2eae464..9e69b7c29117 100644 --- a/sound/soc/sof/ipc4-priv.h +++ b/sound/soc/sof/ipc4-priv.h @@ -120,4 +120,7 @@ void sof_ipc4_update_cpc_from_manifest(struct snd_sof_dev *sdev, struct sof_ipc4_fw_module *fw_module, struct sof_ipc4_base_module_cfg *basecfg); +size_t sof_ipc4_find_debug_slot_offset_by_type(struct snd_sof_dev *sdev, + u32 slot_type); + #endif diff --git a/sound/soc/sof/ipc4-telemetry.c b/sound/soc/sof/ipc4-telemetry.c new file mode 100644 index 000000000000..ec4ae9674364 --- /dev/null +++ b/sound/soc/sof/ipc4-telemetry.c @@ -0,0 +1,95 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +// +// This file is provided under a dual BSD/GPLv2 license. When using or +// redistributing this file, you may do so under either license. +// +// Copyright(c) 2018-2023 Intel Corporation. All rights reserved. +// + +#include <linux/debugfs.h> +#include <linux/io.h> +#include <linux/pm_runtime.h> +#include <sound/sof/debug.h> +#include <sound/sof/ipc4/header.h> +#include "sof-priv.h" +#include "ops.h" +#include "ipc4-telemetry.h" +#include "ipc4-priv.h" + +static void __iomem *sof_ipc4_query_exception_address(struct snd_sof_dev *sdev) +{ + u32 type = SOF_IPC4_DEBUG_SLOT_TELEMETRY; + size_t telemetry_slot_offset; + u32 offset; + + telemetry_slot_offset = sof_ipc4_find_debug_slot_offset_by_type(sdev, type); + if (!telemetry_slot_offset) + return NULL; + + /* skip the first separator magic number */ + offset = telemetry_slot_offset + sizeof(u32); + + return sdev->bar[sdev->mailbox_bar] + offset; +} + +static ssize_t sof_telemetry_entry_read(struct file *file, char __user *buffer, + size_t count, loff_t *ppos) +{ + struct snd_sof_dfsentry *dfse = file->private_data; + struct snd_sof_dev *sdev = dfse->sdev; + void __iomem *io_addr; + loff_t pos = *ppos; + size_t size_ret; + u8 *buf; + + if (pos < 0) + return -EINVAL; + /* skip the first separator magic number */ + if (pos >= SOF_IPC4_DEBUG_SLOT_SIZE - 4 || !count) + return 0; + if (count > SOF_IPC4_DEBUG_SLOT_SIZE - 4 - pos) + count = SOF_IPC4_DEBUG_SLOT_SIZE - 4 - pos; + + io_addr = sof_ipc4_query_exception_address(sdev); + if (!io_addr) + return -EFAULT; + + buf = kzalloc(SOF_IPC4_DEBUG_SLOT_SIZE - 4, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + memcpy_fromio(buf, io_addr, SOF_IPC4_DEBUG_SLOT_SIZE - 4); + size_ret = copy_to_user(buffer, buf + pos, count); + if (size_ret) { + kfree(buf); + return -EFAULT; + } + + *ppos = pos + count; + kfree(buf); + + return count; +} + +static const struct file_operations sof_telemetry_fops = { + .open = simple_open, + .read = sof_telemetry_entry_read, +}; + +void sof_ipc4_create_exception_debugfs_node(struct snd_sof_dev *sdev) +{ + struct snd_sof_dfsentry *dfse; + + dfse = devm_kzalloc(sdev->dev, sizeof(*dfse), GFP_KERNEL); + if (!dfse) + return; + + dfse->type = SOF_DFSENTRY_TYPE_IOMEM; + dfse->size = SOF_IPC4_DEBUG_SLOT_SIZE - 4; + dfse->access_type = SOF_DEBUGFS_ACCESS_ALWAYS; + dfse->sdev = sdev; + + list_add(&dfse->list, &sdev->dfsentry_list); + + debugfs_create_file("exception", 0444, sdev->debugfs_root, dfse, &sof_telemetry_fops); +} diff --git a/sound/soc/sof/ipc4-telemetry.h b/sound/soc/sof/ipc4-telemetry.h new file mode 100644 index 000000000000..ab3599e3d87d --- /dev/null +++ b/sound/soc/sof/ipc4-telemetry.h @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ +/* + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * Copyright(c) 2023 Intel Corporation. All rights reserved. + */ + +#ifndef __SOUND_SOC_SOF_IPC4_TELEMETRY_H +#define __SOUND_SOC_SOF_IPC4_TELEMETRY_H + +/* Target code */ +enum sof_ipc4_coredump_tgt_code { + COREDUMP_TGT_UNKNOWN = 0, + COREDUMP_TGT_X86, + COREDUMP_TGT_X86_64, + COREDUMP_TGT_ARM_CORTEX_M, + COREDUMP_TGT_RISC_V, + COREDUMP_TGT_XTENSA, +}; + +#define COREDUMP_ARCH_HDR_ID 'A' +#define COREDUMP_HDR_ID0 'Z' +#define COREDUMP_HDR_ID1 'E' + +#define XTENSA_BLOCK_HDR_VER 2 +#define XTENSA_CORE_DUMP_SEPARATOR 0x0DEC0DEB +#define XTENSA_CORE_AR_REGS_COUNT 16 +#define XTENSA_SOC_INTEL_ADSP 3 +#define XTENSA_TOOL_CHAIN_ZEPHYR 1 +#define XTENSA_TOOL_CHAIN_XCC 2 + +/* Coredump header */ +struct sof_ipc4_coredump_hdr { + /* 'Z', 'E' as identifier of file */ + char id[2]; + + /* Identify the version of the header */ + u16 hdr_version; + + /* Indicate which target (e.g. architecture or SoC) */ + u16 tgt_code; + + /* Size of uintptr_t in power of 2. (e.g. 5 for 32-bit, 6 for 64-bit) */ + u8 ptr_size_bits; + + u8 flag; + + /* Reason for the fatal error */ + u32 reason; +} __packed; + +/* Architecture-specific block header */ +struct sof_ipc4_coredump_arch_hdr { + /* COREDUMP_ARCH_HDR_ID to indicate this is a architecture-specific block */ + char id; + + /* Identify the version of this block */ + u16 hdr_version; + + /* Number of bytes following the header */ + u16 num_bytes; +} __packed; + +struct sof_ipc4_telemetry_slot_data { + u32 separator; + struct sof_ipc4_coredump_hdr hdr; + struct sof_ipc4_coredump_arch_hdr arch_hdr; + u32 arch_data[]; +} __packed; + +void sof_ipc4_create_exception_debugfs_node(struct snd_sof_dev *sdev); +#endif diff --git a/sound/soc/sof/ipc4.c b/sound/soc/sof/ipc4.c index 6c33ee5af32b..3f4d57dba972 100644 --- a/sound/soc/sof/ipc4.c +++ b/sound/soc/sof/ipc4.c @@ -15,6 +15,7 @@ #include "sof-audio.h" #include "ipc4-fw-reg.h" #include "ipc4-priv.h" +#include "ipc4-telemetry.h" #include "ops.h" static const struct sof_ipc4_fw_status { @@ -547,6 +548,29 @@ static int sof_ipc4_init_msg_memory(struct snd_sof_dev *sdev) return 0; } +size_t sof_ipc4_find_debug_slot_offset_by_type(struct snd_sof_dev *sdev, + u32 slot_type) +{ + size_t slot_desc_type_offset; + u32 type; + int i; + + /* The type is the second u32 in the slot descriptor */ + slot_desc_type_offset = sdev->debug_box.offset + sizeof(u32); + for (i = 0; i < SOF_IPC4_MAX_DEBUG_SLOTS; i++) { + sof_mailbox_read(sdev, slot_desc_type_offset, &type, sizeof(type)); + + if (type == slot_type) + return sdev->debug_box.offset + (i + 1) * SOF_IPC4_DEBUG_SLOT_SIZE; + + slot_desc_type_offset += SOF_IPC4_DEBUG_DESCRIPTOR_SIZE; + } + + dev_dbg(sdev->dev, "Slot type %#x is not available in debug window\n", slot_type); + return 0; +} +EXPORT_SYMBOL(sof_ipc4_find_debug_slot_offset_by_type); + static int ipc4_fw_ready(struct snd_sof_dev *sdev, struct sof_ipc4_msg *ipc4_msg) { int inbox_offset, inbox_size, outbox_offset, outbox_size; @@ -575,6 +599,8 @@ static int ipc4_fw_ready(struct snd_sof_dev *sdev, struct sof_ipc4_msg *ipc4_msg sdev->debug_box.offset = snd_sof_dsp_get_window_offset(sdev, SOF_IPC4_DEBUG_WINDOW_IDX); + sof_ipc4_create_exception_debugfs_node(sdev); + dev_dbg(sdev->dev, "mailbox upstream 0x%x - size 0x%x\n", inbox_offset, inbox_size); dev_dbg(sdev->dev, "mailbox downstream 0x%x - size 0x%x\n", @@ -619,6 +645,9 @@ static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev) case SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS: sof_ipc4_mtrace_update_pos(sdev, SOF_IPC4_LOG_CORE_GET(ipc4_msg->primary)); break; + case SOF_IPC4_NOTIFY_EXCEPTION_CAUGHT: + snd_sof_dsp_panic(sdev, 0, true); + break; default: dev_dbg(sdev->dev, "Unhandled DSP message: %#x|%#x\n", ipc4_msg->primary, ipc4_msg->extension); diff --git a/sound/soc/sof/xtensa/core.c b/sound/soc/sof/xtensa/core.c index bebbe3a2865c..7c91a919eadc 100644 --- a/sound/soc/sof/xtensa/core.c +++ b/sound/soc/sof/xtensa/core.c @@ -132,6 +132,17 @@ static void xtensa_stack(struct snd_sof_dev *sdev, const char *level, void *oops buf, sizeof(buf), false); dev_printk(level, sdev->dev, "0x%08x: %s\n", stack_ptr + i * 4, buf); } + + if (!xoops->plat_hdr.numaregs) + return; + + dev_printk(level, sdev->dev, "AR registers:\n"); + /* the number of ar registers is a multiple of 4 */ + for (i = 0; i < xoops->plat_hdr.numaregs; i += 4) { + hex_dump_to_buffer(xoops->ar + i, 16, 16, 4, + buf, sizeof(buf), false); + dev_printk(level, sdev->dev, "%#x: %s\n", i * 4, buf); + } } const struct dsp_arch_ops sof_xtensa_arch_ops = { |