9 struct _aarch64_ctx *get_header(struct _aarch64_ctx *head, uint32_t magic,  in get_header()  argument
15 	if (!head || resv_sz < HDR_SZ)  in get_header()
19 	       head->magic != magic && head->magic) {  in get_header()
20 		offs += head->size;  in get_header()
21 		head = GET_RESV_NEXT_HEAD(head);  in get_header()
23 	if (head->magic == magic) {  in get_header()
24 		found = head;  in get_header()
41 	term = GET_RESV_NEXT_HEAD(&extra->head);  in validate_extra_context()
71 	if ((sve->head.size != sizeof(struct sve_context)) &&  in validate_sve_context()
72 	    (sve->head.size != regs_size)) {  in validate_sve_context()
96 	if ((za->head.size != sizeof(struct za_context)) &&  in validate_za_context()
97 	    (za->head.size != regs_size)) {  in validate_za_context()
123 	if (zt->head.size != ZT_SIG_CONTEXT_SIZE(zt->nregs)) {  in validate_zt_context()
141 	struct _aarch64_ctx *head =  in validate_reserved()  local
150 	while (head && !terminated && offs < resv_sz) {  in validate_reserved()
151 		if ((uint64_t)head & 0x0fUL) {  in validate_reserved()
152 			*err = "Misaligned HEAD";  in validate_reserved()
158 		switch (head->magic) {  in validate_reserved()
160 			if (head->size) {  in validate_reserved()
164 				head = extra_data;  in validate_reserved()
178 			else if (head->size !=  in validate_reserved()
184 			if (head->size != sizeof(struct esr_context))  in validate_reserved()
188 			if (head->size != sizeof(struct tpidr2_context))  in validate_reserved()
195 			sve = (struct sve_context *)head;  in validate_reserved()
202 			za = (struct za_context *)head;  in validate_reserved()
209 			zt = (struct zt_context *)head;  in validate_reserved()
215 			else if (head->size !=  in validate_reserved()
219 			extra = (struct extra_context *)head;  in validate_reserved()
238 			memcpy(magic, &head->magic, sizeof(magic));  in validate_reserved()
245 				head->magic,  in validate_reserved()
253 		offs += head->size;  in validate_reserved()
254 		if (resv_sz < offs + sizeof(*head)) {  in validate_reserved()
255 			*err = "HEAD Overrun";  in validate_reserved()
275 		head = GET_RESV_NEXT_HEAD(head);  in validate_reserved()
304  *	    head pointer from @shead
306  * @return: pointer to a new head where to start storing need_sz bytes, or
314 	struct _aarch64_ctx *head;  in get_starting_head()  local
316 	head = get_terminator(shead, resv_sz, &offs);  in get_starting_head()
318 	if (!head)  in get_starting_head()
319 		return head;  in get_starting_head()
323 		head = get_header(shead, EXTRA_MAGIC, resv_sz, &offs);  in get_starting_head()
324 		if (!head || resv_sz - offs < need_sz) {  in get_starting_head()
334 	return head;  in get_starting_head()