23  * DOC: Xe Boot Survivability
60 static void populate_survivability_info(struct xe_device *xe)  in populate_survivability_info()  argument
62 	struct xe_survivability *survivability = &xe->survivability;  in populate_survivability_info()
65 	u32 id = 0, reg_value;  in populate_survivability_info()
69 	mmio = xe_root_tile_mmio(xe);  in populate_survivability_info()
86 		for (index = 0; id && reg_value; index++, reg_value = info[id].value,  in populate_survivability_info()
96 	struct xe_device *xe = pdev_to_xe_device(pdev);  in log_survivability_info()  local
97 	struct xe_survivability *survivability = &xe->survivability;  in log_survivability_info()
103 	for (id = 0; id < MAX_SCRATCH_MMIO; id++) {  in log_survivability_info()
105 			dev_info(&pdev->dev, "%s: 0x%x - 0x%x\n", info[id].name,  in log_survivability_info()
114 	struct xe_device *xe = pdev_to_xe_device(pdev);  in survivability_mode_show()  local
115 	struct xe_survivability *survivability = &xe->survivability;  in survivability_mode_show()
117 	int index = 0, count = 0;  in survivability_mode_show()
119 	for (index = 0; index < MAX_SCRATCH_MMIO; index++) {  in survivability_mode_show()
121 			count += sysfs_emit_at(buff, count, "%s: 0x%x - 0x%x\n", info[index].name,  in survivability_mode_show()
132 	struct xe_device *xe = arg;  in xe_survivability_mode_fini()  local
133 	struct pci_dev *pdev = to_pci_dev(xe->drm.dev);  in xe_survivability_mode_fini()
142 	struct xe_device *xe = pdev_to_xe_device(pdev);  in enable_survivability_mode()  local
143 	struct xe_survivability *survivability = &xe->survivability;  in enable_survivability_mode()
144 	int ret = 0;  in enable_survivability_mode()
153 	ret = devm_add_action_or_reset(xe->drm.dev,  in enable_survivability_mode()
154 				       xe_survivability_mode_fini, xe);  in enable_survivability_mode()
161 	ret = xe_heci_gsc_init(xe);  in enable_survivability_mode()
171 	xe_vsec_init(xe);  in enable_survivability_mode()
175 	return 0;  in enable_survivability_mode()
180  * @xe: xe device instance
184 bool xe_survivability_mode_is_enabled(struct xe_device *xe)  in xe_survivability_mode_is_enabled()  argument
186 	return xe->survivability.mode;  in xe_survivability_mode_is_enabled()
198 static bool survivability_mode_requested(struct xe_device *xe)  in survivability_mode_requested()  argument
200 	struct xe_survivability *survivability = &xe->survivability;  in survivability_mode_requested()
201 	struct xe_mmio *mmio = xe_root_tile_mmio(xe);  in survivability_mode_requested()
204 	if (!IS_DGFX(xe) || xe->info.platform < XE_BATTLEMAGE || IS_SRIOV_VF(xe))  in survivability_mode_requested()
207 	data = xe_mmio_read32(mmio, PCODE_SCRATCH(0));  in survivability_mode_requested()
216  * @xe: xe device instance
220  * Return: 0 if survivability mode is enabled or not requested; negative error
223 int xe_survivability_mode_enable(struct xe_device *xe)  in xe_survivability_mode_enable()  argument
225 	struct xe_survivability *survivability = &xe->survivability;  in xe_survivability_mode_enable()
227 	struct pci_dev *pdev = to_pci_dev(xe->drm.dev);  in xe_survivability_mode_enable()
229 	if (!survivability_mode_requested(xe))  in xe_survivability_mode_enable()
230 		return 0;  in xe_survivability_mode_enable()
234 	info = devm_kcalloc(xe->drm.dev, survivability->size, sizeof(*info),  in xe_survivability_mode_enable()
241 	populate_survivability_info(xe);  in xe_survivability_mode_enable()