70 static const char *get_filename(struct tegra_bpmp *bpmp,  in get_filename()  argument
82 	root_path = dentry_path(bpmp->debugfs_mirror, root_path_buf,  in get_filename()
107 static int mrq_debug_open(struct tegra_bpmp *bpmp, const char *name,  in mrq_debug_open()  argument
134 	err = tegra_bpmp_transfer(bpmp, &msg);  in mrq_debug_open()
146 static int mrq_debug_close(struct tegra_bpmp *bpmp, u32 fd)  in mrq_debug_close()  argument
168 	err = tegra_bpmp_transfer(bpmp, &msg);  in mrq_debug_close()
177 static int mrq_debug_read(struct tegra_bpmp *bpmp, const char *name,  in mrq_debug_read()  argument
199 	err = mrq_debug_open(bpmp, name, &fd, &len, 0);  in mrq_debug_read()
212 		err = tegra_bpmp_transfer(bpmp, &msg);  in mrq_debug_read()
234 	close_err = mrq_debug_close(bpmp, fd);  in mrq_debug_read()
242 static int mrq_debug_write(struct tegra_bpmp *bpmp, const char *name,  in mrq_debug_write()  argument
265 	err = mrq_debug_open(bpmp, name, &fd, &len, 1);  in mrq_debug_write()
282 		err = tegra_bpmp_transfer(bpmp, &msg);  in mrq_debug_write()
295 	err = mrq_debug_close(bpmp, fd);  in mrq_debug_write()
305 	struct tegra_bpmp *bpmp = inode->i_private;  in bpmp_debug_show()  local
326 	filename = get_filename(bpmp, file, fnamebuf, sizeof(fnamebuf));  in bpmp_debug_show()
331 	err = mrq_debug_open(bpmp, filename, &fd, &len, 0);  in bpmp_debug_show()
339 		err = tegra_bpmp_transfer(bpmp, &msg);  in bpmp_debug_show()
358 	close_err = mrq_debug_close(bpmp, fd);  in bpmp_debug_show()
370 	struct tegra_bpmp *bpmp = inode->i_private;  in bpmp_debug_store()  local
376 	filename = get_filename(bpmp, file, fnamebuf, sizeof(fnamebuf));  in bpmp_debug_store()
384 	err = mrq_debug_write(bpmp, filename, databuf, count);  in bpmp_debug_store()
403 static int bpmp_populate_debugfs_inband(struct tegra_bpmp *bpmp,  in bpmp_populate_debugfs_inband()  argument
416 	if (!bpmp || !parent || !ppath)  in bpmp_populate_debugfs_inband()
429 	err = mrq_debug_read(bpmp, ppath, buf, bufsize, &dsize);  in bpmp_populate_debugfs_inband()
459 			err = bpmp_populate_debugfs_inband(bpmp, dentry,  in bpmp_populate_debugfs_inband()
468 			dentry = debugfs_create_file(name, mode, parent, bpmp,  in bpmp_populate_debugfs_inband()
484 static int mrq_debugfs_read(struct tegra_bpmp *bpmp,  in mrq_debugfs_read()  argument
512 	err = tegra_bpmp_transfer(bpmp, &msg);  in mrq_debugfs_read()
523 static int mrq_debugfs_write(struct tegra_bpmp *bpmp,  in mrq_debugfs_write()  argument
544 	return tegra_bpmp_transfer(bpmp, &msg);  in mrq_debugfs_write()
547 static int mrq_debugfs_dumpdir(struct tegra_bpmp *bpmp, dma_addr_t addr,  in mrq_debugfs_dumpdir()  argument
571 	err = tegra_bpmp_transfer(bpmp, &msg);  in mrq_debugfs_dumpdir()
586 	struct tegra_bpmp *bpmp = inode->i_private;  in debugfs_show()  local
596 	filename = get_filename(bpmp, file, buf, sizeof(buf));  in debugfs_show()
600 	namevirt = dma_alloc_coherent(bpmp->dev, namesize, &namephys,  in debugfs_show()
605 	datavirt = dma_alloc_coherent(bpmp->dev, datasize, &dataphys,  in debugfs_show()
615 	err = mrq_debugfs_read(bpmp, namephys, len, dataphys, datasize,  in debugfs_show()
621 	dma_free_coherent(bpmp->dev, datasize, datavirt, dataphys);  in debugfs_show()
623 	dma_free_coherent(bpmp->dev, namesize, namevirt, namephys);  in debugfs_show()
637 	struct tegra_bpmp *bpmp = inode->i_private;  in debugfs_store()  local
647 	filename = get_filename(bpmp, file, fnamebuf, sizeof(fnamebuf));  in debugfs_store()
651 	namevirt = dma_alloc_coherent(bpmp->dev, namesize, &namephys,  in debugfs_store()
656 	datavirt = dma_alloc_coherent(bpmp->dev, datasize, &dataphys,  in debugfs_store()
671 	err = mrq_debugfs_write(bpmp, namephys, len, dataphys,  in debugfs_store()
675 	dma_free_coherent(bpmp->dev, datasize, datavirt, dataphys);  in debugfs_store()
677 	dma_free_coherent(bpmp->dev, namesize, namevirt, namephys);  in debugfs_store()
690 static int bpmp_populate_dir(struct tegra_bpmp *bpmp, struct seqbuf *seqbuf,  in bpmp_populate_dir()  argument
723 			err = bpmp_populate_dir(bpmp, seqbuf, dentry, depth+1);  in bpmp_populate_dir()
732 						     parent, bpmp,  in bpmp_populate_dir()
742 static int bpmp_populate_debugfs_shmem(struct tegra_bpmp *bpmp)  in bpmp_populate_debugfs_shmem()  argument
751 	virt = dma_alloc_coherent(bpmp->dev, sz, &phys,  in bpmp_populate_debugfs_shmem()
756 	err = mrq_debugfs_dumpdir(bpmp, phys, sz, &nbytes);  in bpmp_populate_debugfs_shmem()
765 	err = bpmp_populate_dir(bpmp, &seqbuf, bpmp->debugfs_mirror, 0);  in bpmp_populate_debugfs_shmem()
767 	dma_free_coherent(bpmp->dev, sz, virt, phys);  in bpmp_populate_debugfs_shmem()
772 int tegra_bpmp_init_debugfs(struct tegra_bpmp *bpmp)  in tegra_bpmp_init_debugfs()  argument
778 	inband = tegra_bpmp_mrq_is_supported(bpmp, MRQ_DEBUG);  in tegra_bpmp_init_debugfs()
780 	if (!inband && !tegra_bpmp_mrq_is_supported(bpmp, MRQ_DEBUGFS))  in tegra_bpmp_init_debugfs()
787 	bpmp->debugfs_mirror = debugfs_create_dir("debug", root);  in tegra_bpmp_init_debugfs()
788 	if (IS_ERR(bpmp->debugfs_mirror)) {  in tegra_bpmp_init_debugfs()
794 		err = bpmp_populate_debugfs_inband(bpmp, bpmp->debugfs_mirror,  in tegra_bpmp_init_debugfs()
797 		err = bpmp_populate_debugfs_shmem(bpmp);  in tegra_bpmp_init_debugfs()