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Show First 20 Lines • Show All 1,242 Lines • ▼ Show 20 Lines	nvme_ctrlr_passthrough_cmd(struct nvme_controller *ctrlr,
struct mtx *mtx;		struct mtx *mtx;
struct buf *buf = NULL;		struct buf *buf = NULL;
int ret = 0;		int ret = 0;
vm_offset_t addr, end;		vm_offset_t addr, end;

if (pt->len > 0) {		if (pt->len > 0) {
/*		/*
* vmapbuf calls vm_fault_quick_hold_pages which only maps full		* vmapbuf calls vm_fault_quick_hold_pages which only maps full
* pages. Ensure this request has fewer than MAXPHYS bytes when		* pages. Ensure this request has fewer than maxphys bytes when
* extended to full pages.		* extended to full pages.
*/		*/
addr = (vm_offset_t)pt->buf;		addr = (vm_offset_t)pt->buf;
end = round_page(addr + pt->len);		end = round_page(addr + pt->len);
addr = trunc_page(addr);		addr = trunc_page(addr);
if (end - addr > MAXPHYS)		if (end - addr > maxphys)
return EIO;		return EIO;

if (pt->len > ctrlr->max_xfer_size) {		if (pt->len > ctrlr->max_xfer_size) {
nvme_printf(ctrlr, "pt->len (%d) "		nvme_printf(ctrlr, "pt->len (%d) "
"exceeds max_xfer_size (%d)\n", pt->len,		"exceeds max_xfer_size (%d)\n", pt->len,
ctrlr->max_xfer_size);		ctrlr->max_xfer_size);
return EIO;		return EIO;
}		}
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