[PATCH v4 5/6] drm/xe/xe_gt_pagefault: Add address_type field to pagefaults

[Jonathan Cavitt]

Add a new field to the xe_pagefault struct, address_type, that tracks
the type of fault the pagefault incurred.

Signed-off-by: Jonathan Cavitt <jonathan.cavitt at intel.com>
---
 drivers/gpu/drm/xe/xe_gt_pagefault.c | 3 +++
 drivers/gpu/drm/xe/xe_gt_pagefault.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c
index 84907fb4295e..ecf9f76bd423 100644
--- a/drivers/gpu/drm/xe/xe_gt_pagefault.c
+++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c
@@ -204,11 +204,13 @@ static int handle_pagefault(struct xe_gt *gt, struct xe_pagefault *pf)
 
 	vma = lookup_vma(vm, pf->page_addr);
 	if (!vma) {
+		pf->address_type = DRM_XE_FAULT_ADDRESS_TYPE_NONE_EXT;
 		err = -EINVAL;
 		goto unlock_vm;
 	}
 
 	if (xe_vma_read_only(vma) && pf->access_type != XE_PAGEFAULT_ACCESS_TYPE_READ) {
+		pf->address_type = DRM_XE_FAULT_ADDRESS_TYPE_WRITE_INVALID_EXT;
 		err = -EPERM;
 		goto unlock_vm;
 	}
@@ -276,6 +278,7 @@ static bool get_pagefault(struct pf_queue *pf_queue, struct xe_pagefault *pf)
 		pf->asid = FIELD_GET(PFD_ASID, desc->dw1);
 		pf->vfid = FIELD_GET(PFD_VFID, desc->dw2);
 		pf->access_type = FIELD_GET(PFD_ACCESS_TYPE, desc->dw2);
+		pf->address_type = 0;
 		pf->fault_type = FIELD_GET(PFD_FAULT_TYPE, desc->dw2);
 		pf->page_addr = (u64)(FIELD_GET(PFD_VIRTUAL_ADDR_HI, desc->dw3)) <<
 			PFD_VIRTUAL_ADDR_HI_SHIFT;
diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.h b/drivers/gpu/drm/xe/xe_gt_pagefault.h
index 33616043d17a..969f7b458d3f 100644
--- a/drivers/gpu/drm/xe/xe_gt_pagefault.h
+++ b/drivers/gpu/drm/xe/xe_gt_pagefault.h
@@ -17,6 +17,7 @@ struct xe_pagefault {
 	u16 pdata;
 	u8 vfid;
 	u8 access_type;
+	u8 address_type;
 	u8 fault_type;
 	u8 fault_level;
 	u8 engine_class;
-- 
2.43.0