lkml.org 
[lkml]   [2020]   [May]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC v4][PATCH part-3 13/14] asidrv/asicmd: Add options to manage ASI page faults
Date
Add options to the asicmd CLI to list and clear ASI page faults. Also
add an option to enable/disable displaying stack trace on ASI page
fault.

Signed-off-by: Alexandre Chartre <alexandre.chartre@oracle.com>
---
drivers/staging/asi/asicmd.c | 68 ++++++++++++++++++++++++++++++++++--
1 file changed, 65 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/asi/asicmd.c b/drivers/staging/asi/asicmd.c
index 849fa09423e6..4d7bb9df0fcc 100644
--- a/drivers/staging/asi/asicmd.c
+++ b/drivers/staging/asi/asicmd.c
@@ -52,6 +52,10 @@ static void usage(void)
printf("\n");
printf("Commands:\n");
printf(" all - run all tests\n");
+ printf(" fault - list ASI faults\n");
+ printf(" fltclr - clear ASI faults\n");
+ printf(" stkon - show stack on ASI fault\n");
+ printf(" stkoff - do not show stack on ASI fault\n");
printf("\n");
printf("Tests:\n");
for (i = 0; i < TEST_LIST_SIZE; i++)
@@ -91,10 +95,45 @@ static void asidrv_run_test(int fd, struct asidrv_test *test)
printf("TEST OK\n");
}

+static int asidrv_fault_list(int fd)
+{
+ struct asidrv_fault_list *flist;
+ int i, rv;
+
+ flist = malloc(sizeof(*flist) +
+ sizeof(struct asidrv_fault) * 10);
+ if (!flist) {
+ perror("malloc flist");
+ return -1;
+ }
+
+ flist->length = 10;
+ rv = ioctl(fd, ASIDRV_IOCTL_LIST_FAULT, flist);
+ if (rv < 0) {
+ perror("ioctl list fault");
+ return -1;
+ }
+
+ if (!flist->length) {
+ printf("ASI has no fault\n");
+ return 0;
+ }
+
+ printf("%-18s %5s %s\n", "ADDRESS", "COUNT", "SYMBOL");
+ for (i = 0; i < flist->length && i < 10; i++) {
+ printf("%#18llx %5u %s\n",
+ flist->fault[i].addr,
+ flist->fault[i].count,
+ flist->fault[i].symbol);
+ }
+
+ return 0;
+}
+
int main(int argc, char *argv[])
{
bool run_all, run;
- int i, j, fd;
+ int i, j, fd, err;
char *test;

if (argc <= 1) {
@@ -111,10 +150,33 @@ int main(int argc, char *argv[])
for (i = 1; i < argc; i++) {
test = argv[i];

- if (!strcmp(test, "all"))
+ if (!strcmp(test, "fault")) {
+ asidrv_fault_list(fd);
+ continue;
+
+ } else if (!strcmp(test, "fltclr")) {
+ err = ioctl(fd, ASIDRV_IOCTL_CLEAR_FAULT);
+ if (err)
+ perror("ioctl clear fault");
+ continue;
+
+ } else if (!strcmp(test, "stkon")) {
+ err = ioctl(fd, ASIDRV_IOCTL_LOG_FAULT_STACK, true);
+ if (err)
+ perror("ioctl log fault stack");
+ continue;
+
+ } else if (!strcmp(test, "stkoff")) {
+ err = ioctl(fd, ASIDRV_IOCTL_LOG_FAULT_STACK, false);
+ if (err)
+ perror("ioctl log fault sstack");
+ continue;
+
+ } else if (!strcmp(test, "all")) {
run_all = true;
- else
+ } else {
run_all = false;
+ }

run = false;
for (j = 0; j < TEST_LIST_SIZE; j++) {
--
2.18.2
\
 
 \ /
  Last update: 2020-05-04 17:08    [W:0.255 / U:0.440 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site