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fs: pstore: register buffers to minidump

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Signed-off-by: Huibin Hong <huibin.hong@rock-chips.com>
Change-Id: I0c6feb839fe6a4d25bc0174659cba528ffef4975
This commit is contained in:
Huibin Hong
2023-04-12 08:58:00 +00:00
committed by Tao Huang
parent d6d4beaca8
commit 08e5018b7c
1 changed files with 50 additions and 1 deletions
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51
fs/pstore/ram.c
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@@ -24,6 +24,10 @@
#include <linux/of_reserved_mem.h>
#include "internal.h"
#if IS_REACHABLE(CONFIG_ROCKCHIP_MINIDUMP)
#include <soc/rockchip/rk_minidump.h>
#endif
#define RAMOOPS_KERNMSG_HDR "===="
#define MIN_MEM_SIZE 4096UL
@@ -775,6 +779,49 @@ static int ramoops_parse_dt(struct platform_device *pdev,
return 0;
}
#if IS_REACHABLE(CONFIG_ROCKCHIP_MINIDUMP)
static void _ramoops_register_ram_zone_info_to_minidump(struct persistent_ram_zone *prz)
{
struct md_region md_entry = {};
strscpy(md_entry.name, prz->label, sizeof(md_entry.name));
md_entry.virt_addr = (u64)prz->vaddr;
md_entry.phys_addr = prz->paddr;
md_entry.size = prz->size;
if (rk_minidump_add_region(&md_entry) < 0)
pr_err("Failed to add %s in Minidump\n", prz->label);
}
static void ramoops_register_ram_zone_info_to_minidump(struct ramoops_context *cxt)
{
int i = 0;
struct persistent_ram_zone *prz = NULL;
for (i = 0; i < cxt->max_boot_log_cnt; i++) {
prz = cxt->boot_przs[i];
_ramoops_register_ram_zone_info_to_minidump(prz);
}
for (i = 0; i < cxt->max_dump_cnt; i++) {
prz = cxt->dprzs[i];
_ramoops_register_ram_zone_info_to_minidump(prz);
}
for (i = 0; i < cxt->max_ftrace_cnt; i++) {
prz = cxt->fprzs[i];
_ramoops_register_ram_zone_info_to_minidump(prz);
}
prz = cxt->cprz;
_ramoops_register_ram_zone_info_to_minidump(prz);
prz = cxt->mprz;
_ramoops_register_ram_zone_info_to_minidump(prz);
}
#endif
static int ramoops_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -962,7 +1009,9 @@ static int ramoops_probe(struct platform_device *pdev)
ramoops_console_size = pdata->console_size;
ramoops_pmsg_size = pdata->pmsg_size;
ramoops_ftrace_size = pdata->ftrace_size;
#if IS_REACHABLE(CONFIG_ROCKCHIP_MINIDUMP)
ramoops_register_ram_zone_info_to_minidump(cxt);
#endif
pr_info("using 0x%lx@0x%llx, ecc: %d\n",
cxt->size, (unsigned long long)cxt->phys_addr,
cxt->ecc_info.ecc_size);