samsung-sm8650/android_kernel_samsung_sm8650-modules
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b30be7e544f81bdc4e756bb07c8b1d24ac48dd32
android_kernel_samsung_sm86…/msm/eva/cvp_dump.c
Aniruddh Sharma b30be7e544 msm: eva: Minidump enablement for eva 
Enabled FW static dump.
Enabled VA_MD for CMD and MSG queues, both for CPU and DSP.
Enabled VA_MD for debug structs.

Change-Id: I9a5a2418620cd0608b90301eefe0726a462c1ce3
Signed-off-by: Aniruddh Sharma <anirshar@codeaurora.org>
2021-09-14 09:49:24 -07:00

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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2021, The Linux Foundation. All rights reserved.
*/
#include <asm/memory.h>
#include <linux/coresight-stm.h>
#include <linux/delay.h>
#include <linux/devfreq.h>
#include <linux/hash.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/iommu.h>
#include <linux/iopoll.h>
#include <linux/of.h>
#include <linux/pm_qos.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#include <linux/platform_device.h>
#include <linux/soc/qcom/llcc-qcom.h>
#include <linux/qcom_scm.h>
#include <linux/soc/qcom/smem.h>
#include <linux/dma-mapping.h>
#include <linux/reset.h>
#include <soc/qcom/minidump.h>
#include "hfi_packetization.h"
#include "msm_cvp_debug.h"
#include "cvp_core_hfi.h"
#include "cvp_hfi_helper.h"
#include "cvp_hfi_io.h"
#include "msm_cvp_dsp.h"
#include "msm_cvp_clocks.h"
#include "cvp_dump.h"
/*Declare and init the head node of the linked list
for queue va_md dump*/
LIST_HEAD(head_node_hfi_queue);
/*Declare and init the head node of the linked list
for debug struct va_md dump*/
LIST_HEAD(head_node_dbg_struct);
int md_eva_dump(const char* name, u64 virt, u64 phys, u64 size)
{
struct md_region md_entry;
if (msm_minidump_enabled())
{
dprintk(CVP_INFO, "Minidump is enabled!\n");
// add minidump region for EVA-FW image
strlcpy(md_entry.name, name, sizeof(md_entry.name));
md_entry.virt_addr = (uintptr_t)virt;
md_entry.phys_addr = phys;
md_entry.size = size;
if (msm_minidump_add_region(&md_entry) < 0)
{
dprintk(CVP_ERR, "Failed to add \"%s\" data in \
Minidump\n", name);
return 1;
}
else
{
dprintk(CVP_INFO,
"add region success for \"%s\" with virt addr:\
0x%x, phy addr: 0x%x, size: %d",
md_entry.name, md_entry.virt_addr,
md_entry.phys_addr, md_entry.size);
return 0;
}
}
else
{
dprintk(CVP_ERR, "Minidump is NOT enabled!\n");
return 1;
}
}
void cvp_va_md_register(char* name, void* notf_blk_ptr)
{
int rc = 0;
struct notifier_block* notf_blk = (struct notifier_block*)notf_blk_ptr;
rc = qcom_va_md_register(name, notf_blk);
if (rc) {
dprintk(CVP_ERR,
"\"%s\" : qcom_va_md_register failed rc = %d\n",
name, rc);
}
else {
dprintk(CVP_INFO,
"\"%s\" : eva_queue qcom_va_md_register success rc = %d\n",
name, rc);
}
}
void cvp_register_va_md_region()
{
if(qcom_va_md_enabled())
{
cvp_va_md_register("eva_queues", &eva_hfiq_list_notif_blk);
cvp_va_md_register("dbg_struct", &eva_struct_list_notif_blk);
}
else
dprintk(CVP_ERR, "VA_Minidump is NOT enabled!\n");
}
void cvp_free_va_md_list(void)
{
struct eva_va_md_queue *cursor, *temp;
/* Iterate over each item of the hfi quesue va_md_list and add del the node */
list_for_each_entry_safe(cursor, temp, &head_node_hfi_queue, list)
{
list_del(&cursor->list);
kfree(cursor);
}
/* Iterate over each item of the hfi debug_struct
va_md_list and add del the node */
list_for_each_entry_safe(cursor, temp, &head_node_dbg_struct, list)
{
list_del(&cursor->list);
kfree(cursor);
}
}
void add_va_node_to_list(void *list_head_node, void *buff_va, u32 buff_size,
const char *region_name, bool copy)
{
struct list_head *head_node = (struct list_head *)list_head_node;
struct eva_va_md_queue *temp_node = NULL;
/*Creating Node*/
temp_node = kzalloc(sizeof(struct eva_va_md_queue), GFP_KERNEL);
if (!temp_node)
{
dprintk(CVP_ERR, "Memory allocation failed for list node\n");
return;
}
/*Init the list within the struct*/
INIT_LIST_HEAD(&temp_node->list);
/* Store back the data to linked list node data */
temp_node->va_md_buff = buff_va;
temp_node->va_md_buff_size = buff_size;
strlcpy(temp_node->region_name, region_name,
sizeof(temp_node->region_name));
temp_node->copy = copy;
/*Add Node to Linked List*/
list_add_tail(&temp_node->list, head_node);
dprintk(CVP_INFO,
"\"%s\" added to buffer list, vaddr: %px size: 0x%x\n",
temp_node->region_name, temp_node->va_md_buff,
temp_node->va_md_buff_size);
}
void add_hfi_queue_to_va_md_list(void *device)
{
struct cvp_iface_q_info *iface_q;
struct iris_hfi_device *dev;
dev = (struct iris_hfi_device*)device;
/* Adding CPU QUEUES*/
iface_q = &dev->iface_queues[CVP_IFACEQ_CMDQ_IDX];
add_va_node_to_list(&head_node_hfi_queue,
iface_q->q_array.align_virtual_addr,
iface_q->q_array.mem_size,
"eva_cmdq_cpu", false);
iface_q = &dev->iface_queues[CVP_IFACEQ_MSGQ_IDX];
add_va_node_to_list(&head_node_hfi_queue,
iface_q->q_array.align_virtual_addr,
iface_q->q_array.mem_size,
"eva_msgq_cpu", false);
/* Adding DSP QUEUES*/
iface_q = &dev->dsp_iface_queues[CVP_IFACEQ_CMDQ_IDX];
add_va_node_to_list(&head_node_hfi_queue,
iface_q->q_array.align_virtual_addr,
iface_q->q_array.mem_size,
"eva_cmdq_dsp", false);
iface_q = &dev->dsp_iface_queues[CVP_IFACEQ_MSGQ_IDX];
add_va_node_to_list(&head_node_hfi_queue,
iface_q->q_array.align_virtual_addr,
iface_q->q_array.mem_size,
"eva_msgq_dsp", false);
}
void add_queue_header_to_va_md_list(void *device)
{
struct cvp_iface_q_info *iface_q;
struct iris_hfi_device *dev;
struct cvp_hfi_queue_header *queue;
dev = (struct iris_hfi_device*)device;
// Add node for cvp_hfi_queue_header: cpucmdQ
iface_q = &dev->iface_queues[CVP_IFACEQ_CMDQ_IDX];
queue = (struct cvp_hfi_queue_header *)iface_q->q_hdr;
add_va_node_to_list(&head_node_dbg_struct,
queue, sizeof(struct cvp_hfi_queue_header),
"cvp_hfi_queue_header-cpucmdQ", false);
// Add node for cvp_hfi_queue_header: cpumsgQ
iface_q = &dev->iface_queues[CVP_IFACEQ_MSGQ_IDX];
queue = (struct cvp_hfi_queue_header *)iface_q->q_hdr;
add_va_node_to_list(&head_node_dbg_struct,
queue, sizeof(struct cvp_hfi_queue_header),
"cvp_hfi_queue_header-cpumsgQ", false);
// Add node for cvp_hfi_queue_header: dspcmdQ
iface_q = &dev->dsp_iface_queues[CVP_IFACEQ_CMDQ_IDX];
queue = (struct cvp_hfi_queue_header *)iface_q->q_hdr;
add_va_node_to_list(&head_node_dbg_struct,
queue, sizeof(struct cvp_hfi_queue_header),
"cvp_hfi_queue_header-dspcmdQ", false);
// Add node for cvp_hfi_queue_header: dspmsgQ
iface_q = &dev->dsp_iface_queues[CVP_IFACEQ_MSGQ_IDX];
queue = (struct cvp_hfi_queue_header *)iface_q->q_hdr;
add_va_node_to_list(&head_node_dbg_struct,
queue, sizeof(struct cvp_hfi_queue_header),
"cvp_hfi_queue_header-dspmsgQ", false);
}
int eva_hfiq_list_notif_handler(struct notifier_block *this,
unsigned long event, void *ptr)
{
struct va_md_entry entry;
struct eva_va_md_queue *cursor, *temp;
int rc = 0;
void *temp_data;
/* Iterate over each item of the list and
add that data to va_md_entry */
list_for_each_entry_safe(cursor, temp, &head_node_hfi_queue, list)
{
if(cursor->copy)
{
//Copying the content to local kzmalloc buffer...
dprintk(CVP_INFO, "Copying \"%s\"(%d Bytes)\
to intermediate buffer\n",
cursor->region_name, cursor->va_md_buff_size);
temp_data = kzalloc(cursor->va_md_buff_size,
GFP_KERNEL);
memcpy(temp_data, cursor->va_md_buff,
cursor->va_md_buff_size);
entry.vaddr = (unsigned long)temp_data;
}
else
entry.vaddr = (unsigned long)cursor->va_md_buff;
entry.size = cursor->va_md_buff_size;
strlcpy(entry.owner, cursor->region_name, sizeof(entry.owner));
entry.cb = NULL;
if(msm_cvp_minidump_enable)
{
rc = qcom_va_md_add_region(&entry);
if(rc)
dprintk(CVP_ERR, "Add region \"failed\" for \
\"%s\", vaddr: %px size: 0x%x\n", entry.owner,
cursor->va_md_buff, entry.size);
else
dprintk(CVP_INFO, "Add region \"success\" for \
\"%s\", vaddr: %px size: 0x%x\n", entry.owner,
cursor->va_md_buff, entry.size);
}
}
return NOTIFY_OK;
}
int eva_struct_list_notif_handler(struct notifier_block *this,
unsigned long event, void *ptr)
{
struct va_md_entry entry;
struct eva_va_md_queue *cursor, *temp;
int rc = 0;
void *temp_data;
/* Iterate over each item of the list
and add that data to va_md_entry */
list_for_each_entry_safe(cursor, temp, &head_node_dbg_struct, list)
{
if(cursor->copy)
{
//Copying the content to local kzmalloc buffer...
dprintk(CVP_INFO, "Copying \"%s\"(%d Bytes) to \
intermediate buffer\n", cursor->region_name,
cursor->va_md_buff_size);
temp_data = kzalloc(cursor->va_md_buff_size,
GFP_KERNEL);
memcpy(temp_data, cursor->va_md_buff,
cursor->va_md_buff_size);
entry.vaddr = (unsigned long)temp_data;
}
else
entry.vaddr = (unsigned long)cursor->va_md_buff;
entry.size = cursor->va_md_buff_size;
strlcpy(entry.owner, cursor->region_name, sizeof(entry.owner));
entry.cb = NULL;
if(msm_cvp_minidump_enable)
{
rc = qcom_va_md_add_region(&entry);
if(rc)
dprintk(CVP_ERR, "Add region \"failed\" for \
\"%s\", vaddr: %px size: 0x%x\n",
entry.owner, cursor->va_md_buff,
entry.size);
else
dprintk(CVP_INFO, "Add region \"success\" for \
\"%s\", vaddr: %px size: 0x%x\n", entry.owner,
cursor->va_md_buff, entry.size);
}
}
return NOTIFY_OK;
}
struct notifier_block eva_struct_list_notif_blk = {
.notifier_call = eva_struct_list_notif_handler,
.priority = INT_MAX-1,
};
struct notifier_block eva_hfiq_list_notif_blk = {
.notifier_call = eva_hfiq_list_notif_handler,
.priority = INT_MAX,
};
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