57 	struct fsl_hv_ioctl_restart param;  in ioctl_restart()  local
60 	if (copy_from_user(&param, p, sizeof(struct fsl_hv_ioctl_restart)))  in ioctl_restart()
63 	param.ret = fh_partition_restart(param.partition);  in ioctl_restart()
65 	if (copy_to_user(&p->ret, &param.ret, sizeof(__u32)))  in ioctl_restart()
78 	struct fsl_hv_ioctl_status param;  in ioctl_status()  local
82 	if (copy_from_user(&param, p, sizeof(struct fsl_hv_ioctl_status)))  in ioctl_status()
85 	param.ret = fh_partition_get_status(param.partition, &status);  in ioctl_status()
86 	if (!param.ret)  in ioctl_status()
87 		param.status = status;  in ioctl_status()
89 	if (copy_to_user(p, &param, sizeof(struct fsl_hv_ioctl_status)))  in ioctl_status()
102 	struct fsl_hv_ioctl_start param;  in ioctl_start()  local
105 	if (copy_from_user(&param, p, sizeof(struct fsl_hv_ioctl_start)))  in ioctl_start()
108 	param.ret = fh_partition_start(param.partition, param.entry_point,  in ioctl_start()
109 				       param.load);  in ioctl_start()
111 	if (copy_to_user(&p->ret, &param.ret, sizeof(__u32)))  in ioctl_start()
124 	struct fsl_hv_ioctl_stop param;  in ioctl_stop()  local
127 	if (copy_from_user(&param, p, sizeof(struct fsl_hv_ioctl_stop)))  in ioctl_stop()
130 	param.ret = fh_partition_stop(param.partition);  in ioctl_stop()
132 	if (copy_to_user(&p->ret, &param.ret, sizeof(__u32)))  in ioctl_stop()
149 	struct fsl_hv_ioctl_memcpy param;  in ioctl_memcpy()  local
165 	if (copy_from_user(&param, p, sizeof(struct fsl_hv_ioctl_memcpy)))  in ioctl_memcpy()
173 	if ((param.source == -1) == (param.target == -1))  in ioctl_memcpy()
217 	lb_offset = param.local_vaddr & (PAGE_SIZE - 1);  in ioctl_memcpy()
218 	if (param.count == 0 ||  in ioctl_memcpy()
219 	    param.count > U64_MAX - lb_offset - PAGE_SIZE + 1)  in ioctl_memcpy()
221 	num_pages = (param.count + lb_offset + PAGE_SIZE - 1) >> PAGE_SHIFT;  in ioctl_memcpy()
249 	num_pinned = get_user_pages_fast(param.local_vaddr - lb_offset,  in ioctl_memcpy()
250 		num_pages, param.source != -1 ? FOLL_WRITE : 0, pages);  in ioctl_memcpy()
262 	if (param.source == -1) {  in ioctl_memcpy()
264 		sg_list[0].target = param.remote_paddr;  in ioctl_memcpy()
266 		sg_list[0].source = param.remote_paddr;  in ioctl_memcpy()
269 	sg_list[0].size = min_t(uint64_t, param.count, PAGE_SIZE - lb_offset);  in ioctl_memcpy()
271 	remote_paddr = param.remote_paddr + sg_list[0].size;  in ioctl_memcpy()
272 	count = param.count - sg_list[0].size;  in ioctl_memcpy()
275 		if (param.source == -1) {  in ioctl_memcpy()
290 	param.ret = fh_partition_memcpy(param.source, param.target,  in ioctl_memcpy()
304 		if (copy_to_user(&p->ret, &param.ret, sizeof(__u32)))  in ioctl_memcpy()
317 	struct fsl_hv_ioctl_doorbell param;  in ioctl_doorbell()  local
320 	if (copy_from_user(&param, p, sizeof(struct fsl_hv_ioctl_doorbell)))  in ioctl_doorbell()
323 	param.ret = ev_doorbell_send(param.doorbell);  in ioctl_doorbell()
325 	if (copy_to_user(&p->ret, &param.ret, sizeof(__u32)))  in ioctl_doorbell()
333 	struct fsl_hv_ioctl_prop param;  in ioctl_dtprop()  local
341 	if (copy_from_user(&param, p, sizeof(struct fsl_hv_ioctl_prop)))  in ioctl_dtprop()
344 	upath = (char __user *)(uintptr_t)param.path;  in ioctl_dtprop()
345 	upropname = (char __user *)(uintptr_t)param.propname;  in ioctl_dtprop()
346 	upropval = (void __user *)(uintptr_t)param.propval;  in ioctl_dtprop()
358 	if (param.proplen > FH_DTPROP_MAX_PROPLEN) {  in ioctl_dtprop()
363 	propval = kmalloc(param.proplen, GFP_KERNEL);  in ioctl_dtprop()
370 		if (copy_from_user(propval, upropval, param.proplen)) {  in ioctl_dtprop()
375 		param.ret = fh_partition_set_dtprop(param.handle,  in ioctl_dtprop()
379 						    param.proplen);  in ioctl_dtprop()
381 		param.ret = fh_partition_get_dtprop(param.handle,  in ioctl_dtprop()
385 						    &param.proplen);  in ioctl_dtprop()
387 		if (param.ret == 0) {  in ioctl_dtprop()
388 			if (copy_to_user(upropval, propval, param.proplen) ||  in ioctl_dtprop()
389 			    put_user(param.proplen, &p->proplen)) {  in ioctl_dtprop()
396 	if (put_user(param.ret, &p->ret))  in ioctl_dtprop()