80 static const char *get_filename(struct tegra_bpmp *bpmp,  in get_filename()  argument
88 	root_path = dentry_path(bpmp->debugfs_mirror, root_path_buf,  in get_filename()
108 static int mrq_debugfs_read(struct tegra_bpmp *bpmp,  in mrq_debugfs_read()  argument
136 	err = tegra_bpmp_transfer(bpmp, &msg);  in mrq_debugfs_read()
145 static int mrq_debugfs_write(struct tegra_bpmp *bpmp,  in mrq_debugfs_write()  argument
166 	return tegra_bpmp_transfer(bpmp, &msg);  in mrq_debugfs_write()
169 static int mrq_debugfs_dumpdir(struct tegra_bpmp *bpmp, dma_addr_t addr,  in mrq_debugfs_dumpdir()  argument
193 	err = tegra_bpmp_transfer(bpmp, &msg);  in mrq_debugfs_dumpdir()
206 	struct tegra_bpmp *bpmp = inode->i_private;  in debugfs_show()  local
216 	filename = get_filename(bpmp, file, buf, sizeof(buf));  in debugfs_show()
220 	namevirt = dma_alloc_coherent(bpmp->dev, namesize, &namephys,  in debugfs_show()
225 	datavirt = dma_alloc_coherent(bpmp->dev, datasize, &dataphys,  in debugfs_show()
235 	ret = mrq_debugfs_read(bpmp, namephys, len, dataphys, datasize,  in debugfs_show()
241 	dma_free_coherent(bpmp->dev, datasize, datavirt, dataphys);  in debugfs_show()
243 	dma_free_coherent(bpmp->dev, namesize, namevirt, namephys);  in debugfs_show()
257 	struct tegra_bpmp *bpmp = inode->i_private;  in debugfs_store()  local
267 	filename = get_filename(bpmp, file, fnamebuf, sizeof(fnamebuf));  in debugfs_store()
271 	namevirt = dma_alloc_coherent(bpmp->dev, namesize, &namephys,  in debugfs_store()
276 	datavirt = dma_alloc_coherent(bpmp->dev, datasize, &dataphys,  in debugfs_store()
291 	ret = mrq_debugfs_write(bpmp, namephys, len, dataphys,  in debugfs_store()
295 	dma_free_coherent(bpmp->dev, datasize, datavirt, dataphys);  in debugfs_store()
297 	dma_free_coherent(bpmp->dev, namesize, namevirt, namephys);  in debugfs_store()
310 static int bpmp_populate_dir(struct tegra_bpmp *bpmp, struct seqbuf *seqbuf,  in bpmp_populate_dir()  argument
343 			err = bpmp_populate_dir(bpmp, seqbuf, dentry, depth+1);  in bpmp_populate_dir()
352 						     parent, bpmp,  in bpmp_populate_dir()
362 static int create_debugfs_mirror(struct tegra_bpmp *bpmp, void *buf,  in create_debugfs_mirror()  argument
368 	bpmp->debugfs_mirror = debugfs_create_dir("debug", root);  in create_debugfs_mirror()
369 	if (!bpmp->debugfs_mirror)  in create_debugfs_mirror()
373 	err = bpmp_populate_dir(bpmp, &seqbuf, bpmp->debugfs_mirror, 0);  in create_debugfs_mirror()
375 		debugfs_remove_recursive(bpmp->debugfs_mirror);  in create_debugfs_mirror()
376 		bpmp->debugfs_mirror = NULL;  in create_debugfs_mirror()
382 static int mrq_is_supported(struct tegra_bpmp *bpmp, unsigned int mrq)  in mrq_is_supported()  argument
399 	ret = tegra_bpmp_transfer(bpmp, &msg);  in mrq_is_supported()
402 		dev_warn(bpmp->dev, "tegra_bpmp_transfer failed (%d)\n", ret);  in mrq_is_supported()
409 int tegra_bpmp_init_debugfs(struct tegra_bpmp *bpmp)  in tegra_bpmp_init_debugfs()  argument
418 	if (!mrq_is_supported(bpmp, MRQ_DEBUGFS))  in tegra_bpmp_init_debugfs()
425 	virt = dma_alloc_coherent(bpmp->dev, sz, &phys,  in tegra_bpmp_init_debugfs()
432 	ret = mrq_debugfs_dumpdir(bpmp, phys, sz, &nbytes);  in tegra_bpmp_init_debugfs()
436 	ret = create_debugfs_mirror(bpmp, virt, nbytes, root);  in tegra_bpmp_init_debugfs()
438 	dma_free_coherent(bpmp->dev, sz, virt, phys);  in tegra_bpmp_init_debugfs()