static void mtd_panic_notify_add(struct mtd_info *mtd)
{
struct mtd_ipanic_data *ctx = &mtd_drv_ctx;
struct ipanic_header *hdr;
int rc;
if (strcmp(mtd->name, AEE_IPANIC_PLABEL))
return;
ctx->mtd = mtd;
ctx->bounce = kzalloc(ctx->mtd->writesize, GFP_KERNEL);
if (ctx->bounce == NULL)
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd buffer kzalloc failed, %d \n", __func__, ctx->mtd->writesize);
hdr = ctx->bounce;
if (!mtd_ipanic_block_scan(ctx))
goto out_err;
rc = mtd_ipanic_block_read_single(ctx, 0);
if (rc < 0) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "aee-ipanic: Error reading block 0 (%d)\n", rc);
mtd_ipanic_block_erase();
goto out_err;
}
xlog_printk(ANDROID_LOG_INFO, IPANIC_LOG_TAG, "aee-ipanic: Bound to mtd partition '%s', write size(%d), write size shift(%d)\n", mtd->name, mtd->writesize, mtd->writesize_shift);
switch (ipanic_header_check(hdr)) {
case 0:
break;
case 1:
return;
case 2:
mtd_ipanic_block_erase();
return;
}
memcpy(&ctx->curr, hdr, sizeof(struct ipanic_header));
ipanic_header_dump(hdr);
ctx->oops = create_proc_read_entry("aee_ipanic_oops",
0444, NULL,
mtd_ipanic_proc_oops,
NULL);
if (ctx->oops == NULL) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, " %s: failed to create proc file apanic_oops\n", __func__);
}
/*it will free the ctx->curr assigne during bootup. then
open the ke device will return NULL. so lose db
*/
//mtd_ipanic_oops_dump();
return;
out_err:
ctx->mtd = NULL;
}
static struct aee_oops *mtd_ipanic_oops_copy(void)
{
struct mtd_ipanic_data *ctx = &mtd_drv_ctx;
struct aee_oops *oops;
if ((ctx->curr.magic != AEE_IPANIC_MAGIC) || (ctx->curr.version != AEE_IPANIC_PHDR_VERSION)) {
return NULL;
}
oops = aee_oops_create(AE_DEFECT_FATAL, AE_KE, IPANIC_MODULE_TAG);
if (oops != NULL) {
struct ipanic_oops_header *oops_header = kzalloc(sizeof(struct ipanic_oops_header), GFP_KERNEL);
if (oops_header == NULL)
goto error_return;
if (mtd_ipanic_block_read(ctx, ctx->curr.oops_header_offset, ctx->curr.oops_header_length, oops_header) != 0) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read header failed\n", __FUNCTION__);
kfree(oops_header);
goto error_return;
}
aee_oops_set_process_path(oops, oops_header->process_path);
aee_oops_set_backtrace(oops, oops_header->backtrace);
kfree(oops_header);
if(ctx->curr.oops_detail_length != 0)
{
oops->detail = kmalloc(ctx->curr.oops_detail_length, GFP_KERNEL);
oops->detail_len = ctx->curr.oops_detail_length;
if (oops->detail != NULL) {
if (mtd_ipanic_block_read(ctx, ctx->curr.oops_detail_offset, ctx->curr.oops_detail_length, oops->detail) != 0) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read detail failed\n", __FUNCTION__);
kfree(oops->detail);
goto error_return;
}
}
}else {
#define TMPDETAILSTR "panic detail is empty"
oops->detail = kstrdup(TMPDETAILSTR,GFP_KERNEL);
oops->detail_len = sizeof TMPDETAILSTR;
}
if(oops->detail == NULL)
{
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at detail\n", __FUNCTION__);
kfree(oops);
return NULL;
}
oops->console = kmalloc(ctx->curr.console_length, GFP_KERNEL);
oops->console_len = ctx->curr.console_length;
if (oops->console != NULL) {
if (mtd_ipanic_block_read(ctx, ctx->curr.console_offset, ctx->curr.console_length, oops->console) != 0) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read console failed\n", __FUNCTION__);
kfree(oops->detail);
goto error_return;
}
}
else {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at detail\n", __FUNCTION__);
kfree(oops);
return NULL;
}
/* Android log */
oops->android_main = kmalloc(ctx->curr.android_main_length, GFP_KERNEL);
oops->android_main_len = ctx->curr.android_main_length;
if (oops->android_main) {
if (mtd_ipanic_block_read(ctx, ctx->curr.android_main_offset, ctx->curr.android_main_length, oops->android_main) != 0) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read android_main failed\n", __FUNCTION__);
kfree(oops->detail);
kfree(oops->console);
goto error_return;
}
}
else {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at android_main\n", __FUNCTION__);
aee_oops_free(oops);
return NULL;
}
oops->android_radio = kmalloc(ctx->curr.android_radio_length, GFP_KERNEL);
oops->android_radio_len = ctx->curr.android_radio_length;
if (oops->android_radio) {
if (mtd_ipanic_block_read(ctx, ctx->curr.android_radio_offset, ctx->curr.android_radio_length, oops->android_radio) != 0) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read android_radio failed\n", __FUNCTION__);
kfree(oops->detail);
kfree(oops->console);
kfree(oops->android_main);
goto error_return;
}
}
else {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at android_radio\n", __FUNCTION__);
aee_oops_free(oops);
return NULL;
}
oops->android_system = kmalloc(ctx->curr.android_system_length, GFP_KERNEL);
oops->android_system_len = ctx->curr.android_system_length;
if (oops->android_system) {
if (mtd_ipanic_block_read(ctx, ctx->curr.android_system_offset, ctx->curr.android_system_length, oops->android_system) != 0) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read android_system failed\n", __FUNCTION__);
kfree(oops->detail);
kfree(oops->console);
kfree(oops->android_main);
kfree(oops->android_radio);
goto error_return;
}
}
else {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at android_system\n", __FUNCTION__);
aee_oops_free(oops);
return NULL;
}
#if 0
xlog_printk(ANDROID_LOG_INFO, IPANIC_LOG_TAG, "android log length, 0x%x, 0x%x, 0x%x, 0x%x\n",
oops->android_main_len,oops->android_event_len,oops->android_radio_len,oops->android_system_len);
#endif
/* Process dump */
oops->userspace_info = kmalloc(ctx->curr.userspace_info_length, GFP_KERNEL);
oops->userspace_info_len = ctx->curr.userspace_info_length;
if (oops->userspace_info) {
if (mtd_ipanic_block_read(ctx, ctx->curr.userspace_info_offset, ctx->curr.userspace_info_length, oops->userspace_info) != 0) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: mtd read usrespace info failed\n", __FUNCTION__);
kfree(oops->detail);
kfree(oops->console);
kfree(oops->android_main);
kfree(oops->android_radio);
kfree(oops->userspace_info);
goto error_return;
}
}
else {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at userspace info failed\n", __FUNCTION__);
aee_oops_free(oops);
return NULL;
}
xlog_printk(ANDROID_LOG_DEBUG, IPANIC_LOG_TAG, "ipanic_oops_copy return OK\n");
return oops;
}
else {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at header\n", __FUNCTION__);
return NULL;
}
error_return:
kfree(oops);
memset(&ctx->curr, 0, sizeof(struct ipanic_header));
mtd_ipanic_block_erase();
return NULL;
}
