static void ipanic_oops_done(struct aee_oops *oops, int erase)
{
if (oops)
aee_oops_free(oops);
if (erase)
ipanic_erase();
}
/*erase is no longer used. erase from user space*/
static void mtd_ipanic_oops_free(struct aee_oops *oops, int erase)
{
if (oops) {
struct mtd_ipanic_data *ctx = &mtd_drv_ctx;
aee_oops_free(oops);
/*After this, open ke device returns null*/
memset(&ctx->curr, 0, sizeof(struct ipanic_header));
}
}
static void ke_destroy_log(void)
{
xlog_printk(ANDROID_LOG_DEBUG, AEK_LOG_TAG, "%s\n", __func__);
msg_destroy(&aed_dev.kerec.msg);
if(aed_dev.kerec.lastlog)
{
if (strncmp(aed_dev.kerec.lastlog->module, IPANIC_MODULE_TAG, strlen(IPANIC_MODULE_TAG)) == 0) {
ipanic_oops_free(aed_dev.kerec.lastlog, 0);
}
else {
aee_oops_free(aed_dev.kerec.lastlog);
}
aed_dev.kerec.lastlog = NULL;
}
}
static void ke_gen_ind_msg(struct aee_oops *oops)
{
unsigned long flags = 0;
xlog_printk(ANDROID_LOG_DEBUG, AEK_LOG_TAG, "%s oops %p\n", __func__, oops);
if (oops == NULL) {
return;
}
spin_lock_irqsave(&aed_device_lock, flags);
if (aed_dev.kerec.lastlog == NULL) {
aed_dev.kerec.lastlog = oops;
}
else {
/*
* waaa.. Two ke api at the same time
* or ke api during aed process is still busy at ke
* discard the new oops!
*/
xlog_printk(ANDROID_LOG_WARN, AEK_LOG_TAG, "%s: More than on kernel message queued\n", __func__);
aee_oops_free(oops);
spin_unlock_irqrestore(&aed_device_lock, flags);
return;
}
spin_unlock_irqrestore(&aed_device_lock, flags);
if (aed_dev.kerec.lastlog != NULL) {
AE_Msg *rep_msg;
rep_msg = msg_create(&aed_dev.kerec.msg, 0);
if(rep_msg == NULL)
return;
rep_msg->cmdType = AE_IND;
switch (oops->attr) {
case AE_DEFECT_REMINDING:
rep_msg->cmdId = AE_IND_REM_RAISED;
break;
case AE_DEFECT_WARNING:
rep_msg->cmdId = AE_IND_WRN_RAISED;
break;
case AE_DEFECT_EXCEPTION:
rep_msg->cmdId = AE_IND_EXP_RAISED;
break;
case AE_DEFECT_FATAL:
rep_msg->cmdId = AE_IND_FATAL_RAISED;
break;
default:
/* Huh... something wrong, just go to exception */
rep_msg->cmdId = AE_IND_EXP_RAISED;
break;
}
rep_msg->arg = oops->clazz;
rep_msg->len = 0;
rep_msg->dbOption = oops->dump_option;
wake_up(&aed_dev.kewait);
}
}
static struct aee_oops *emmc_ipanic_oops_copy(void)
{
struct aee_oops *oops = NULL;
struct ipanic_header *hdr = NULL;
int hdr_size = ALIGN(sizeof(struct ipanic_header), EMMC_BLOCK_SIZE);
hdr = kzalloc(hdr_size, GFP_KERNEL);
if (hdr == NULL) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: Cannot allocate ipanic header memory\n", __FUNCTION__);
return NULL;
}
if (card_dump_func_read((unsigned char *)hdr, hdr_size, 0, EMMC_ID) < 0) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: emmc panic log header read failed\n", __func__);
return NULL;
}
ipanic_block_scramble((unsigned char *)hdr, hdr_size);
if (ipanic_header_check(hdr) != 0) {
return NULL;
}
oops = aee_oops_create(AE_DEFECT_FATAL, AE_KE, IPANIC_MODULE_TAG);
if (oops != NULL) {
struct ipanic_oops_header *oops_header = (struct ipanic_oops_header *)
emmc_allocate_and_read(hdr->oops_header_offset, hdr->oops_header_length);
if (oops_header == NULL) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: Can't read oops header(len:%d)\n", __FUNCTION__, hdr->oops_header_length);
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(hdr->oops_detail_length != 0)
{
oops->detail = emmc_allocate_and_read(hdr->oops_detail_offset, hdr->oops_detail_length);
oops->detail_len = hdr->oops_detail_length;
}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: read detail failed(len: %d)\n", __FUNCTION__, oops->detail_len);
goto error_return;
}
oops->console = emmc_allocate_and_read(hdr->console_offset, hdr->console_length);
oops->console_len = hdr->console_length;
if (oops->console == NULL) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: read console failed(len: %d)\n", __FUNCTION__, oops->console_len);
goto error_return;
}
/*If panic from kernel context, no user sapce info available. Shouldn't fail*/
if (0 == hdr->userspace_info_length)
{
oops->userspace_info = NULL;
oops->userspace_info_len = 0;
}
else
{
oops->userspace_info = emmc_allocate_and_read(hdr->userspace_info_offset, hdr->userspace_info_length);
oops->userspace_info_len = hdr->userspace_info_length;
if (oops->userspace_info == NULL) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: read usrespace info failed\n", __FUNCTION__);
goto error_return;
}
}
oops->android_main = emmc_allocate_and_read(hdr->android_main_offset, hdr->android_main_length);
oops->android_main_len = hdr->android_main_length;
if (oops->android_main == NULL) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: read android_main failed\n", __FUNCTION__);
goto error_return;
}
oops->android_radio = emmc_allocate_and_read(hdr->android_radio_offset, hdr->android_radio_length);
oops->android_radio_len = hdr->android_radio_length;
if (oops->android_radio == NULL) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: read android_radio failed\n", __FUNCTION__);
goto error_return;
}
oops->android_system = emmc_allocate_and_read(hdr->android_system_offset, hdr->android_system_length);
oops->android_system_len = hdr->android_system_length;
if (oops->android_system == NULL) {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: read android_system failed\n", __FUNCTION__);
goto error_return;
}
xlog_printk(ANDROID_LOG_DEBUG, IPANIC_LOG_TAG, "ipanic_oops_copy return OK\n");
kfree(hdr);
return oops;
}
else {
xlog_printk(ANDROID_LOG_ERROR, IPANIC_LOG_TAG, "%s: kmalloc failed at header\n", __FUNCTION__);
kfree(hdr);
return NULL;
}
error_return:
kfree(hdr);
aee_oops_free(oops);
return 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;
}