18 	term = GET_RESV_NEXT_HEAD(&extra->head);  in validate_extra_context()
48 	if ((sve->head.size != sizeof(struct sve_context)) &&  in validate_sve_context()
49 	    (sve->head.size != regs_size)) {  in validate_sve_context()
73 	if ((za->head.size != sizeof(struct za_context)) &&  in validate_za_context()
74 	    (za->head.size != regs_size)) {  in validate_za_context()
100 	if (zt->head.size != ZT_SIG_CONTEXT_SIZE(zt->nregs)) {  in validate_zt_context()
118 	struct _aarch64_ctx *head =  in validate_reserved()  local
127 	while (head && !terminated && offs < resv_sz) {  in validate_reserved()
128 		if ((uint64_t)head & 0x0fUL) {  in validate_reserved()
135 		switch (head->magic) {  in validate_reserved()
137 			if (head->size) {  in validate_reserved()
141 				head = extra_data;  in validate_reserved()
155 			else if (head->size !=  in validate_reserved()
161 			if (head->size != sizeof(struct esr_context))  in validate_reserved()
165 			if (head->size != sizeof(struct poe_context))  in validate_reserved()
169 			if (head->size != sizeof(struct tpidr2_context))  in validate_reserved()
176 			sve = (struct sve_context *)head;  in validate_reserved()
183 			za = (struct za_context *)head;  in validate_reserved()
190 			zt = (struct zt_context *)head;  in validate_reserved()
196 			else if (head->size !=  in validate_reserved()
204 			if (head->size != sizeof(struct gcs_context))  in validate_reserved()
211 			else if (head->size !=  in validate_reserved()
215 			extra = (struct extra_context *)head;  in validate_reserved()
234 			memcpy(magic, &head->magic, sizeof(magic));  in validate_reserved()
241 				head->magic,  in validate_reserved()
249 		offs += head->size;  in validate_reserved()
250 		if (resv_sz < offs + sizeof(*head)) {  in validate_reserved()
271 		head = GET_RESV_NEXT_HEAD(head);  in validate_reserved()
310 	struct _aarch64_ctx *head;  in get_starting_head()  local
312 	head = get_terminator(shead, resv_sz, &offs);  in get_starting_head()
314 	if (!head)  in get_starting_head()
315 		return head;  in get_starting_head()
319 		head = get_header(shead, EXTRA_MAGIC, resv_sz, &offs);  in get_starting_head()
320 		if (!head || resv_sz - offs < need_sz) {  in get_starting_head()
330 	return head;  in get_starting_head()