1 // SPDX-License-Identifier: MIT
41 		return -ENOMEM;  in mitigations_set()
44 		bool enable = true;  in mitigations_set()  local
62 			enable = !enable;  in mitigations_set()
67 			enable = !enable;  in mitigations_set()
76 				if (enable)  in mitigations_set()
86 			err = -EINVAL;  in mitigations_set()
98 static int mitigations_get(char *buffer, const struct kernel_param *kp)  in mitigations_get()  argument
102 	bool enable;  in mitigations_get()  local
105 		return scnprintf(buffer, PAGE_SIZE, "%s\n", "off");  in mitigations_get()
107 	if (local & BIT(BITS_PER_LONG - 1)) {  in mitigations_get()
108 		count = scnprintf(buffer, PAGE_SIZE, "%s,", "auto");  in mitigations_get()
109 		enable = false;  in mitigations_get()
111 		enable = true;  in mitigations_get()
116 		if ((local & BIT(i)) != enable)  in mitigations_get()
119 		count += scnprintf(buffer + count, PAGE_SIZE - count,  in mitigations_get()
120 				   "%s%s,", enable ? "" : "!", names[i]);  in mitigations_get()
123 	buffer[count - 1] = '\n';  in mitigations_get()
134 "Selectively enable security mitigations for all Intel® GPUs in the system.\n"
136 "  auto -- enables all mitigations required for the platform [default]\n"
137 "  off  -- disables all mitigations\n"
139 "Individual mitigations can be enabled by passing a comma-separated string,\n"
140 "e.g. mitigations=residuals to enable only clearing residuals or\n"
146 "  residuals -- clear all thread-local registers between contexts"