159 dpaa2_cons_read_bs(struct dpaa2_cons_dev *cd, size_t offset, void *dst, size_t len)  in dpaa2_cons_read_bs()  argument
168 		bus_space_read_region_1(cd->bst, cd->bsh, offset + count, p + count, l);  in dpaa2_cons_read_bs()
175 		bus_space_read_region_8(cd->bst, cd->bsh, offset + count, (uint64_t *)(p + count), l);  in dpaa2_cons_read_bs()
182 		bus_space_read_region_4(cd->bst, cd->bsh, offset + count, (uint32_t *)(p + count), l);  in dpaa2_cons_read_bs()
189 		bus_space_read_region_2(cd->bst, cd->bsh, offset + count, (uint16_t *)(p + count), l);  in dpaa2_cons_read_bs()
195 		bus_space_read_region_1(cd->bst, cd->bsh, offset + count, p + count, len);  in dpaa2_cons_read_bs()
205 	struct dpaa2_cons_dev *cd;  in dpaa2_cons_open()  local
213 	cd = cdev->si_drv1;  in dpaa2_cons_open()
214 	if (cd->size == 0)  in dpaa2_cons_open()
217 	mtx_lock(&cd->mtx);  in dpaa2_cons_open()
218 	rlen = dpaa2_cons_read_bs(cd, 0, &hdr, sizeof(hdr));  in dpaa2_cons_open()
220 	    "cd %p\n", __func__, __LINE__, rlen, sizeof(hdr), cdev, cd));  in dpaa2_cons_open()
222 	cd->hdr_magic = hdr.magic;  in dpaa2_cons_open()
223 	if (cd->hdr_magic != cd->magic) {  in dpaa2_cons_open()
224 		mtx_unlock(&cd->mtx);  in dpaa2_cons_open()
228 	cd->hdr_eobyte = hdr.eobyte;  in dpaa2_cons_open()
229 	cd->hdr_start = hdr.start;  in dpaa2_cons_open()
230 	cd->hdr_len = hdr.len;  in dpaa2_cons_open()
232 	cd->start = cd->hdr_start - cd->offset;  in dpaa2_cons_open()
233 	cd->end = cd->start + cd->hdr_len;  in dpaa2_cons_open()
235 	wrapped = cd->hdr_eobyte & LOG_HEADER_FLAG_BUFFER_WRAPAROUND;  in dpaa2_cons_open()
236 	cd->eod = cd->start + LAST_BYTE(cd->hdr_eobyte);  in dpaa2_cons_open()
238 	if (wrapped && cd->eod != cd->end)  in dpaa2_cons_open()
239 		cd->cur = cd->eod + 1;  in dpaa2_cons_open()
241 		cd->cur = cd->start;  in dpaa2_cons_open()
242 	mtx_unlock(&cd->mtx);  in dpaa2_cons_open()
250 	struct dpaa2_cons_dev *cd;  in dpaa2_cons_close()  local
252 	cd = cdev->si_drv1;  in dpaa2_cons_close()
253 	mtx_lock(&cd->mtx);  in dpaa2_cons_close()
254 	cd->hdr_magic = cd->hdr_eobyte = cd->hdr_start = cd->hdr_len = 0;  in dpaa2_cons_close()
255 	cd->start = cd->end = 0;  in dpaa2_cons_close()
256 	mtx_unlock(&cd->mtx);  in dpaa2_cons_close()
265 	struct dpaa2_cons_dev *cd;  in dpaa2_cons_read()  local
270 	cd = cdev->si_drv1;  in dpaa2_cons_read()
271 	mtx_lock(&cd->mtx);  in dpaa2_cons_read()
272 	if (cd->cur == cd->eod) {  in dpaa2_cons_read()
273 		mtx_unlock(&cd->mtx);  in dpaa2_cons_read()
275 	} else if (cd->cur > cd->eod) {  in dpaa2_cons_read()
276 		len = (cd->end - cd->cur) + (cd->eod - cd->start);  in dpaa2_cons_read()
278 		len = cd->eod - cd->cur;  in dpaa2_cons_read()
280 	size = cd->end - cd->cur;  in dpaa2_cons_read()
289 			rlen = dpaa2_cons_read_bs(cd, cd->cur, buf, count);  in dpaa2_cons_read()
291 			    "cdev %p cd %p\n", __func__, __LINE__, rlen, count,  in dpaa2_cons_read()
292 			    cdev, cd));  in dpaa2_cons_read()
294 			cd->cur += count;  in dpaa2_cons_read()
297 			mtx_unlock(&cd->mtx);  in dpaa2_cons_read()
301 			mtx_lock(&cd->mtx);  in dpaa2_cons_read()
303 		cd->cur = cd->start;  in dpaa2_cons_read()
312 		rlen = dpaa2_cons_read_bs(cd, cd->cur, buf, count);  in dpaa2_cons_read()
314 		    "cd %p\n", __func__, __LINE__, rlen, count, cdev, cd));  in dpaa2_cons_read()
316 		cd->cur += count;  in dpaa2_cons_read()
318 		mtx_unlock(&cd->mtx);  in dpaa2_cons_read()
322 		mtx_lock(&cd->mtx);  in dpaa2_cons_read()
324 	mtx_unlock(&cd->mtx);  in dpaa2_cons_read()
331     struct dpaa2_cons_dev *cd)  in dpaa2_cons_create_dev()  argument
341 	error = bus_space_map(sc->bst, pa, size, 0, &cd->bsh);  in dpaa2_cons_create_dev()
348 	cd->bst = sc->bst;  in dpaa2_cons_create_dev()
349 	cd->size = size;  in dpaa2_cons_create_dev()
351 	len = dpaa2_cons_read_bs(cd, 0, &hdr, sizeof(hdr));  in dpaa2_cons_create_dev()
355 		bus_space_unmap(cd->bst, cd->bsh, cd->size);  in dpaa2_cons_create_dev()
356 		cd->size = 0;  in dpaa2_cons_create_dev()
366 		bus_space_unmap(cd->bst, cd->bsh, cd->size);  in dpaa2_cons_create_dev()
367 		cd->size = 0;  in dpaa2_cons_create_dev()
374 		bus_space_unmap(cd->bst, cd->bsh, cd->size);  in dpaa2_cons_create_dev()
375 		cd->size = 0;  in dpaa2_cons_create_dev()
379 	cd->offset = offset;  in dpaa2_cons_create_dev()
380 	cd->magic = magic;  in dpaa2_cons_create_dev()
381 	mtx_init(&cd->mtx, "dpaa2 cons", NULL, MTX_DEF);  in dpaa2_cons_create_dev()
389 	md_args.mda_si_drv1 = cd;  in dpaa2_cons_create_dev()
390 	error = make_dev_s(&md_args, &cd->cdev, "%s", devsw->d_name);  in dpaa2_cons_create_dev()
394 		mtx_destroy(&cd->mtx);  in dpaa2_cons_create_dev()
395 		bus_space_unmap(cd->bst, cd->bsh, cd->size);  in dpaa2_cons_create_dev()
396 		cd->size = 0;  in dpaa2_cons_create_dev()
428 dpaa2_cons_detach_common(struct dpaa2_cons_dev *cd)  in dpaa2_cons_detach_common()  argument
431 	bus_space_unmap(cd->bst, cd->bsh, cd->size);  in dpaa2_cons_detach_common()
432 	mtx_destroy(&cd->mtx);  in dpaa2_cons_detach_common()