drivers/parisc/pdc_stable.c

10  *    optional locations from 96 to 192 results in the loss of certain
22  *    not true for the other one. Also bear in mind that reading/writing from/to
89 	unsigned long addr;		/* entry address in stable storage */
91 	struct pdc_module_path devpath;	/* device path in parisc representation */
132  * content of the stable storage WRT various paths in these structs. We read
171  * It can be used in two ways: either by passing it a preset devpath struct
174  * For now we do not handle the case where there's an error in writing to the
268 	char in[64], *temp;
276 	count = min_t(size_t, count, sizeof(in)-1);
277 	strscpy(in, buf, count + 1);
283 	if (!(temp = strrchr(in, '/')))
287 	in[temp-in] = '\0';	/* truncate the remaining string. just precaution */
291 	   we write the bc fields in a down-top way. No matter what, we stop
295 	for (i=5; ((temp = strrchr(in, '/'))) && (temp-in > 0) && (likely(i)); i--) {
297 		in[temp-in] = '\0';
302 	hwpath.bc[i] = simple_strtoul(in, NULL, 10);
312 	/* So far so good, let's get in deep */
317 	/* Now, dive in. Write back to the hardware */
383 	char in[64], *temp;
389 	count = min_t(size_t, count, sizeof(in)-1);
390 	strscpy(in, buf, count + 1);
396 	if (unlikely(!isdigit(*in)))
398 	layers[0] = simple_strtoul(in, NULL, 10);
401 	temp = in;
409 	/* So far so good, let's get in deep */
416 	/* Now, dive in. Write back to the hardware */
548 	/* Current flags are stored in primary boot path entry */
584  * pdcs_timer_read - Stable Storage timer count output (in seconds).
589  * The value of the timer field correponds to a number of seconds in powers of 2.
600 	/* Current flags are stored in primary boot path entry */
603 	/* print the timer value in seconds */
768 	char in[8], *temp;
778 	count = min_t(size_t, count, sizeof(in)-1);
779 	strscpy(in, buf, count + 1);
781 	/* Current flags are stored in primary boot path entry */
791 	temp = skip_spaces(in);
803 	/* So far so good, let's get in deep */
809 	/* Now, dive in. Write back to the hardware */
875 	u8 in[16];
890 	memset(in, 0, 16);
891 	memcpy(in, buf, count);
893 	if (pdc_stable_write(PDCS_ADDR_OSD1, &in, sizeof(in)) != PDC_OK)
916 	u8 in[4];
938 		memset(in, 0, 4);
939 		memcpy(in, buf+i, (count-i < 4) ? count-i : 4);
940 		if (unlikely(pdc_stable_write(PDCS_ADDR_OSD2 + i, &in,
941 					sizeof(in)) != PDC_OK))
985  * created will show in the sysfs tree as a folder containing files as defined