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modules: tzlog_dump: write to mmi_annotate

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Change module to write to the mmi_annotate space
instead of having a procfs entry to read.

Change-Id: I0931f7c1ef1305ebe23dfa2bb56fdb5a95948330
Signed-off-by: Ryan Lattrel <ryanl@motorola.com>
Reviewed-on: https://gerrit.mot.com/1145135
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Ling Jin <lingjin@motorola.com>
Reviewed-by: Kenneth Kessler <kennykessler@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Ryan Lattrel 2018-03-07 15:34:40 -06:00
commit 1f97a5cf46
1 changed files with 26 additions and 40 deletions
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66
drivers/tzlog_dump/tzlog_dump.c
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@ -11,7 +11,6 @@
* GNU General Public License for more details.
*
*/
#include <linux/proc_fs.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/io.h>
@ -30,6 +29,8 @@
#include <linux/dma-mapping.h>
#include <linux/cma.h>
#include <soc/qcom/memory_dump.h>
#include <soc/qcom/mmi_boot_info.h>
#include <linux/mmi_annotate.h>
/* Check memory_dump.h to verify this is not going over the max or
* conflicting with another entry. Also must match BL
@ -122,9 +123,15 @@ struct tz_dump_platform_data {
};
static struct tzdbg_t *tzdbg_data;
static struct proc_dir_entry *tzdbg_procfs_file;
static void tzlog_dump_show_boot_info(struct seq_file *f)
#define MSMDBG(fmt, args...) mmi_annotate(fmt, ##args)
#define MSMWDTD_IFWDOG(fmt, args...) do { \
if (bi_powerup_reason() == PU_REASON_WDOG_AP_RESET) \
MSMDBG(fmt, ##args); \
} while (0)
static void tzlog_dump_show_boot_info(void)
{
int cpu;
int power_collapsed;
@ -133,15 +140,15 @@ static void tzlog_dump_show_boot_info(struct seq_file *f)
ptr = (struct tzdbg_boot_info_t *)
((u8 *)tzdbg_data + tzdbg_data->boot_info_off);
seq_printf(f, "\n--- TZ Power Collapse Counters\n");
seq_printf(f, " | WarmEntry : WarmExit : TermEntry :");
seq_printf(f, " TermExit : PsciEntry : PsciExit : JumpAddr |\n");
MSMWDTD_IFWDOG("\n--- TZ Power Collapse Counters\n");
MSMWDTD_IFWDOG(" | WarmEntry : WarmExit : TermEntry :");
MSMWDTD_IFWDOG(" TermExit : PsciEntry : PsciExit : JumpAddr |\n");
for (cpu = 0; cpu < tzdbg_data->cpu_count; cpu++) {
power_collapsed = ptr->wb_entry_cnt +
ptr->pc_exit_cnt - ptr->pc_entry_cnt;
if (cpu)
power_collapsed--;
seq_printf(f, "CPU%d | %8x : %8x : %8x : %8x : %8x : %8x : "
MSMWDTD_IFWDOG("CPU%d | %8x : %8x : %8x : %8x : %8x : %8x : "
"%llx | %sPC\n",
cpu,
ptr->wb_entry_cnt,
@ -156,7 +163,7 @@ static void tzlog_dump_show_boot_info(struct seq_file *f)
}
}
static void tzlog_dump_show_log(struct seq_file *f)
static void tzlog_dump_show_log(void)
{
struct tzdbg_log_t *log_ptr;
const char *log_buf, *p, *start;
@ -167,59 +174,40 @@ static void tzlog_dump_show_log(struct seq_file *f)
if (log_ptr->log_pos.offset >= tzdbg_data->ring_len)
return;
seq_printf(f, "--- TZ Log start ---\n");
MSMWDTD_IFWDOG("--- TZ Log start ---\n");
if (log_ptr->log_pos.wrap) {
for (start = log_buf + log_ptr->log_pos.offset, p = start;
p < (log_buf + tzdbg_data->ring_len); p++) {
if (isprint(*p))
seq_printf(f, "%c", *p);
MSMWDTD_IFWDOG("%c", *p);
else if ((p > start) && isprint(*(p-1)))
seq_printf(f, "\n");
MSMWDTD_IFWDOG("\n");
}
}
for (start = log_buf, p = start;
p < (log_buf + log_ptr->log_pos.offset); p++) {
if (isprint(*p))
seq_printf(f, "%c", *p);
MSMWDTD_IFWDOG("%c", *p);
else if ((p > start) && isprint(*(p-1)))
seq_printf(f, "\n");
MSMWDTD_IFWDOG("\n");
}
seq_printf(f, "\n--- TZ Log end ---\n");
MSMWDTD_IFWDOG("\n--- TZ Log end ---\n");
}
static int tzlog_dump_seq_show(struct seq_file *f, void *ptr)
static int tzlog_dump_annotate(void)
{
if (!tzdbg_data ||
tzdbg_data->magic_num != TZBSP_MAGIC_NUMBER) {
seq_printf(f, "No valid backup\n");
MSMWDTD_IFWDOG("No valid backup\n");
return 0;
}
tzlog_dump_show_boot_info(f);
tzlog_dump_show_log(f);
tzlog_dump_show_boot_info();
tzlog_dump_show_log();
return 0;
}
static int tzlog_dump_open(struct inode *inode, struct file *file)
{
return single_open(file, tzlog_dump_seq_show, inode->i_private);
}
static const struct file_operations tzlog_dump_operations = {
.open = tzlog_dump_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static void tzlog_dump_procfs_init(void)
{
/* /proc/driver/tzlog_dump */
tzdbg_procfs_file = proc_create("driver/tzlog_dump",
0444, NULL, &tzlog_dump_operations);
}
static void tzlog_dump_table_register(struct device *dev,
struct tz_dump_platform_data *pdata)
{
@ -301,15 +289,13 @@ static int tzlog_dump_probe(struct platform_device *pdev)
goto err;
}
tzlog_dump_procfs_init();
tzlog_dump_annotate();
err:
return err;
}
static int tzlog_dump_remove(struct platform_device *pdev)
{
if (tzdbg_procfs_file)
remove_proc_entry("driver/tzlog_dump", NULL);
return 0;
}