[PATCH v5 2/6] drm/xe/xe_gt_pagefault: Migrate pagefault struct to header

[Jonathan Cavitt]

Migrate the pagefault struct from xe_gt_pagefault.c to the
xe_gt_pagefault.h header file, along with the associated enum values.

v2: Normalize names for common header (Matt Brost)

Signed-off-by: Jonathan Cavitt <jonathan.cavitt at intel.com>
---
 drivers/gpu/drm/xe/xe_gt_pagefault.c | 43 ++++++----------------------
 drivers/gpu/drm/xe/xe_gt_pagefault.h | 28 ++++++++++++++++++
 2 files changed, 36 insertions(+), 35 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.c b/drivers/gpu/drm/xe/xe_gt_pagefault.c
index f608a765fa7c..07b52d3c1a60 100644
--- a/drivers/gpu/drm/xe/xe_gt_pagefault.c
+++ b/drivers/gpu/drm/xe/xe_gt_pagefault.c
@@ -22,33 +22,6 @@
 #include "xe_trace_bo.h"
 #include "xe_vm.h"
 
-struct pagefault {
-	u64 page_addr;
-	u32 asid;
-	u16 pdata;
-	u8 vfid;
-	u8 access_type;
-	u8 fault_type;
-	u8 fault_level;
-	u8 engine_class;
-	u8 engine_instance;
-	u8 fault_unsuccessful;
-	bool trva_fault;
-};
-
-enum access_type {
-	ACCESS_TYPE_READ = 0,
-	ACCESS_TYPE_WRITE = 1,
-	ACCESS_TYPE_ATOMIC = 2,
-	ACCESS_TYPE_RESERVED = 3,
-};
-
-enum fault_type {
-	NOT_PRESENT = 0,
-	WRITE_ACCESS_VIOLATION = 1,
-	ATOMIC_ACCESS_VIOLATION = 2,
-};
-
 struct acc {
 	u64 va_range_base;
 	u32 asid;
@@ -60,9 +33,9 @@ struct acc {
 	u8 engine_instance;
 };
 
-static bool access_is_atomic(enum access_type access_type)
+static bool access_is_atomic(enum xe_pagefault_access_type access_type)
 {
-	return access_type == ACCESS_TYPE_ATOMIC;
+	return access_type == XE_PAGEFAULT_ACCESS_TYPE_ATOMIC;
 }
 
 static bool vma_is_valid(struct xe_tile *tile, struct xe_vma *vma)
@@ -125,7 +98,7 @@ static int xe_pf_begin(struct drm_exec *exec, struct xe_vma *vma,
 	return 0;
 }
 
-static int handle_vma_pagefault(struct xe_gt *gt, struct pagefault *pf,
+static int handle_vma_pagefault(struct xe_gt *gt, struct xe_pagefault *pf,
 				struct xe_vma *vma)
 {
 	struct xe_vm *vm = xe_vma_vm(vma);
@@ -204,7 +177,7 @@ static struct xe_vm *asid_to_vm(struct xe_device *xe, u32 asid)
 	return vm;
 }
 
-static int handle_pagefault(struct xe_gt *gt, struct pagefault *pf)
+static int handle_pagefault(struct xe_gt *gt, struct xe_pagefault *pf)
 {
 	struct xe_device *xe = gt_to_xe(gt);
 	struct xe_vm *vm;
@@ -235,7 +208,7 @@ static int handle_pagefault(struct xe_gt *gt, struct pagefault *pf)
 		goto unlock_vm;
 	}
 
-	if (xe_vma_read_only(vma) && pf->access_type != ACCESS_TYPE_READ) {
+	if (xe_vma_read_only(vma) && pf->access_type != XE_PAGEFAULT_ACCESS_TYPE_READ) {
 		err = -EPERM;
 		goto unlock_vm;
 	}
@@ -263,7 +236,7 @@ static int send_pagefault_reply(struct xe_guc *guc,
 	return xe_guc_ct_send(&guc->ct, action, ARRAY_SIZE(action), 0, 0);
 }
 
-static void print_pagefault(struct xe_device *xe, struct pagefault *pf)
+static void print_pagefault(struct xe_device *xe, struct xe_pagefault *pf)
 {
 	drm_dbg(&xe->drm, "\n\tASID: %d\n"
 		 "\tVFID: %d\n"
@@ -283,7 +256,7 @@ static void print_pagefault(struct xe_device *xe, struct pagefault *pf)
 
 #define PF_MSG_LEN_DW	4
 
-static bool get_pagefault(struct pf_queue *pf_queue, struct pagefault *pf)
+static bool get_pagefault(struct pf_queue *pf_queue, struct xe_pagefault *pf)
 {
 	const struct xe_guc_pagefault_desc *desc;
 	bool ret = false;
@@ -370,7 +343,7 @@ static void pf_queue_work_func(struct work_struct *w)
 	struct xe_gt *gt = pf_queue->gt;
 	struct xe_device *xe = gt_to_xe(gt);
 	struct xe_guc_pagefault_reply reply = {};
-	struct pagefault pf = {};
+	struct xe_pagefault pf = {};
 	unsigned long threshold;
 	int ret;
 
diff --git a/drivers/gpu/drm/xe/xe_gt_pagefault.h b/drivers/gpu/drm/xe/xe_gt_pagefault.h
index 839c065a5e4c..33616043d17a 100644
--- a/drivers/gpu/drm/xe/xe_gt_pagefault.h
+++ b/drivers/gpu/drm/xe/xe_gt_pagefault.h
@@ -11,6 +11,34 @@
 struct xe_gt;
 struct xe_guc;
 
+struct xe_pagefault {
+	u64 page_addr;
+	u32 asid;
+	u16 pdata;
+	u8 vfid;
+	u8 access_type;
+	u8 fault_type;
+	u8 fault_level;
+	u8 engine_class;
+	u8 engine_instance;
+	u8 fault_unsuccessful;
+	bool prefetch;
+	bool trva_fault;
+};
+
+enum xe_pagefault_access_type {
+	XE_PAGEFAULT_ACCESS_TYPE_READ = 0,
+	XE_PAGEFAULT_ACCESS_TYPE_WRITE = 1,
+	XE_PAGEFAULT_ACCESS_TYPE_ATOMIC = 2,
+	XE_PAGEFAULT_ACCESS_TYPE_RESERVED = 3,
+};
+
+enum xe_pagefault_type {
+	XE_PAGEFAULT_TYPE_NOT_PRESENT = 0,
+	XE_PAGEFAULT_TYPE_WRITE_ACCESS_VIOLATION = 1,
+	XE_PAGEFAULT_TYPE_ATOMIC_ACCESS_VIOLATION = 2,
+};
+
 int xe_gt_pagefault_init(struct xe_gt *gt);
 void xe_gt_pagefault_reset(struct xe_gt *gt);
 int xe_guc_pagefault_handler(struct xe_guc *guc, u32 *msg, u32 len);
-- 
2.43.0