drivers/pnp/interface.c

26 	char *buffer;		/* pointer to begin of buffer */
27 	char *curr;		/* current position in buffer */
29 	unsigned long len;	/* total length of buffer */
37 static int pnp_printf(pnp_info_buffer_t * buffer, char *fmt, ...)
42 	if (buffer->stop || buffer->error)
45 	res = vsnprintf(buffer->curr, buffer->len - buffer->size, fmt, args);
47 	if (buffer->size + res >= buffer->len) {
48 		buffer->stop = 1;
51 	buffer->curr += res;
52 	buffer->size += res;
56 static void pnp_print_port(pnp_info_buffer_t * buffer, char *space,
59 	pnp_printf(buffer, "%sport %#llx-%#llx, align %#llx, size %#llx, "
68 static void pnp_print_irq(pnp_info_buffer_t * buffer, char *space,
73 	pnp_printf(buffer, "%sirq ", space);
77 				pnp_printf(buffer, ",");
82 				pnp_printf(buffer, "2/9");
84 				pnp_printf(buffer, "%i", i);
87 		pnp_printf(buffer, "<none>");
89 		pnp_printf(buffer, " High-Edge");
91 		pnp_printf(buffer, " Low-Edge");
93 		pnp_printf(buffer, " High-Level");
95 		pnp_printf(buffer, " Low-Level");
97 		pnp_printf(buffer, " (optional)");
98 	pnp_printf(buffer, "\n");
101 static void pnp_print_dma(pnp_info_buffer_t * buffer, char *space,
107 	pnp_printf(buffer, "%sdma ", space);
111 				pnp_printf(buffer, ",");
115 			pnp_printf(buffer, "%i", i);
118 		pnp_printf(buffer, "<none>");
129 	pnp_printf(buffer, " %s", s);
131 		pnp_printf(buffer, " master");
133 		pnp_printf(buffer, " byte-count");
135 		pnp_printf(buffer, " word-count");
150 	pnp_printf(buffer, " %s\n", s);
153 static void pnp_print_mem(pnp_info_buffer_t * buffer, char *space,
158 	pnp_printf(buffer, "%sMemory %#llx-%#llx, align %#llx, size %#llx",
164 		pnp_printf(buffer, ", writeable");
166 		pnp_printf(buffer, ", cacheable");
168 		pnp_printf(buffer, ", range-length");
170 		pnp_printf(buffer, ", shadowable");
172 		pnp_printf(buffer, ", expansion ROM");
186 	pnp_printf(buffer, ", %s\n", s);
189 static void pnp_print_option(pnp_info_buffer_t * buffer, char *space,
194 		pnp_print_port(buffer, space, &option->u.port);
197 		pnp_print_mem(buffer, space, &option->u.mem);
200 		pnp_print_irq(buffer, space, &option->u.irq);
203 		pnp_print_dma(buffer, space, &option->u.dma);
212 	pnp_info_buffer_t *buffer;
217 	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
218 	if (!buffer)
221 	buffer->len = PAGE_SIZE;
222 	buffer->buffer = buf;
223 	buffer->curr = buffer->buffer;
231 				pnp_printf(buffer, "Dependent: %02i - "
239 		pnp_print_option(buffer, indent, option);
242 	ret = (buffer->curr - buf);
243 	kfree(buffer);
252 	pnp_info_buffer_t *buffer;
260 	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
261 	if (!buffer)
264 	buffer->len = PAGE_SIZE;
265 	buffer->buffer = buf;
266 	buffer->curr = buffer->buffer;
268 	pnp_printf(buffer, "state = %s\n", dev->active ? "active" : "disabled");
273 		pnp_printf(buffer, pnp_resource_type_name(res));
276 			pnp_printf(buffer, " disabled\n");
284 			pnp_printf(buffer, " %#llx-%#llx%s\n",
292 			pnp_printf(buffer, " %lld\n",
298 	ret = (buffer->curr - buf);
299 	kfree(buffer);