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gpu: nvgpu: Add support to print mig config lists

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This is adding support to show available mig configs when MIG
is disabled for nvgpu-next.

JIRA NVGPU-6721

Change-Id: I8ba742b7850902c1eea4728655c75d795e0bb3a2
Signed-off-by: dt <dt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2543472
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
dt
2021-06-11 18:38:01 +00:00
committed by mobile promotions
parent 4874bdfbac
commit 12a0e3fe61
3 changed files with 52 additions and 5 deletions
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13
drivers/gpu/nvgpu/os/linux/sysfs.c
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@@ -1097,7 +1097,11 @@ static ssize_t mig_mode_config_list_show(struct device *dev,
(g->ops.grmgr.get_mig_config_ptr != NULL) ?
g->ops.grmgr.get_mig_config_ptr(g) : NULL;
if (mig_gpu_instance_config == NULL) {
res += sprintf(&buf[res], "%s", error_on_nullconfig);
res += sprintf(&buf[res], "MIG is %s", nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG) ?
"enabled\n" : "disabled\n");
res += scnprintf(&buf[res], (PAGE_SIZE - res - 1),"%s", error_on_nullconfig);
res += scnprintf(&buf[res], (PAGE_SIZE - res - 1), " for : %s\n",
g->name);
return res;
}
} else {
@@ -1106,7 +1110,12 @@ static ssize_t mig_mode_config_list_show(struct device *dev,
}
num_config = mig_gpu_instance_config->num_config_supported;
res += sprintf(&buf[res], "\n+++++++++ Config list Start ++++++++++\n");
if (!nvgpu_is_enabled(g, NVGPU_SUPPORT_MIG)) {
res += sprintf(&buf[res], "\n MIG not enabled for %s \n", g->name);
}
res += scnprintf(&buf[res], (PAGE_SIZE - res - 1),
"\n+++++++++ Config list Start ++++++++++\n");
for (config_id = 0U; config_id < num_config; config_id++) {
res += scnprintf(&buf[res], (PAGE_SIZE - res - 1),
"\n CONFIG_ID : %d for CONFIG NAME : %s\n",