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| author | Edmond Chung <edmondchung@google.com> | 2020-08-03 18:12:47 -0700 |
|---|---|---|
| committer | Ge Bian <bian@google.com> | 2020-12-15 14:33:55 -0800 |
| commit | 0ef2b7548944dd804552d009d51fc59b495f3436 (patch) | |
| tree | 25b4bc2195aae5e5cb37850581fce689fcc0e819 /platform | |
| parent | 559d3a3018b5904b5a32e2c83824c73eea2702e8 (diff) | |
| download | lwis-0ef2b7548944dd804552d009d51fc59b495f3436.tar.gz | |
Event: Push event to userspace for SysMMU page faults
Userspace will be notified when there is a SysMMU page fault, such that
this will enable us to handle these types of errors more gracefully in
the userspace.
Bug: 162036180
Signed-off-by: Edmond Chung <edmondchung@google.com>
Change-Id: Iaf3538b7ed08b6833a969ba9de4daa59311f7842
Diffstat (limited to 'platform')
| -rw-r--r-- | platform/gs101/lwis_platform_gs101.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/platform/gs101/lwis_platform_gs101.c b/platform/gs101/lwis_platform_gs101.c index 3314b9c..b17da6b 100644 --- a/platform/gs101/lwis_platform_gs101.c +++ b/platform/gs101/lwis_platform_gs101.c @@ -61,6 +61,7 @@ int lwis_platform_probe(struct lwis_device *lwis_dev) static int __attribute__((unused)) lwis_iommu_fault_handler(struct iommu_fault *fault, void *param) { struct lwis_device *lwis_dev = (struct lwis_device *)param; + struct lwis_mem_page_fault_event_payload event_payload; pr_err("############ LWIS IOMMU PAGE FAULT ############\n"); pr_err("\n"); @@ -75,6 +76,11 @@ static int __attribute__((unused)) lwis_iommu_fault_handler(struct iommu_fault * pr_err("\n"); pr_err("###############################################\n"); + event_payload.fault_address = fault->event.addr; + event_payload.fault_flags = fault->event.flags; + lwis_device_error_event_emit(lwis_dev, LWIS_ERROR_EVENT_ID_MEMORY_PAGE_FAULT, + &event_payload, sizeof(event_payload)); + #ifdef ENABLE_PAGE_FAULT_PANIC return NOTIFY_BAD; #else |