klconflib.c

linux-2.4.29操作系统的源码

static int
component_serial_number_get(lboard_t 		*board,
			    klconf_off_t 	mfg_nic_offset,
			    char		*serial_number,
			    char		*key_pattern)
{

	char	*mfg_nic_string;
	char	*serial_string,*str;
	int	i;
	char	*serial_pattern = "Serial:";

	/* We have an error on a null mfg nic offset */
	if (!mfg_nic_offset)
		return(1);
	/* Get the hub's manufacturing nic information
	 * which is in the form of a pre-formatted string
	 */
	mfg_nic_string = 
		(char *)NODE_OFFSET_TO_K0(NASID_GET(board),
					  mfg_nic_offset);
	/* There is no manufacturing nic info */
	if (!mfg_nic_string)
		return(1);

	str = mfg_nic_string;
	/* Look for the key pattern first (if it is  specified)
	 * and then print the serial number corresponding to that.
	 */
	if (strcmp(key_pattern,"") && 
	    !(str = strstr(mfg_nic_string,key_pattern)))
		return(1);

	/* There is no serial number info in the manufacturing
	 * nic info
	 */
	if (!(serial_string = strstr(str,serial_pattern)))
		return(1);

	serial_string = serial_string + strlen(serial_pattern);
	/*  Copy the serial number information from the klconfig */
	i = 0;
	while (serial_string[i] != ';') {
		serial_number[i] = serial_string[i];
		i++;
	}
	serial_number[i] = 0;
	
	return(0);
}
/*
 * Get the serial number of a board
 * Returns 0 if a valid serial number is found
 * 1 otherwise.
 */

int
board_serial_number_get(lboard_t *board,char *serial_number)
{
	ASSERT(board && serial_number);
	if (!board || !serial_number)
		return(1);

	strcpy(serial_number,"");
	switch(KLCLASS(board->brd_type)) {
	case KLCLASS_CPU: {	/* Node board */
		klhub_t *hub;

		if (board->brd_type == KLTYPE_TIO) {
			printk("*****board_serial_number_get: Need to support TIO.*****\n");
			strcpy(serial_number,"");
			return(0);
		}
		
		/* Get the hub component information */
		hub = (klhub_t *)find_first_component(board,
						      KLSTRUCT_HUB);
		/* If we don't have a hub component on an IP27
		 * then we have a weird klconfig.
		 */
		if (!hub)
			return(1);
		/* Get the serial number information from
		 * the hub's manufacturing nic info
		 */
		if (component_serial_number_get(board,
						hub->hub_mfg_nic,
						serial_number,
						"IP37"))
				return(1);
		break;
	}
	case KLCLASS_IO: {	/* IO board */
		if (KLTYPE(board->brd_type) == KLTYPE_TPU) {
		/* Special case for TPU boards */
			kltpu_t *tpu;	
		
			/* Get the tpu component information */
			tpu = (kltpu_t *)find_first_component(board,
						      KLSTRUCT_TPU);
			/* If we don't have a tpu component on a tpu board
			 * then we have a weird klconfig.
			 */
			if (!tpu)
				return(1);
			/* Get the serial number information from
			 * the tpu's manufacturing nic info
			 */
			if (component_serial_number_get(board,
						tpu->tpu_mfg_nic,
						serial_number,
						""))
				return(1);
			break;
		} else  if ((KLTYPE(board->brd_type) == KLTYPE_GSN_A) ||
		            (KLTYPE(board->brd_type) == KLTYPE_GSN_B)) {
		/* Special case for GSN boards */
			klgsn_t *gsn;	
		
			/* Get the gsn component information */
			gsn = (klgsn_t *)find_first_component(board,
			      ((KLTYPE(board->brd_type) == KLTYPE_GSN_A) ?
					KLSTRUCT_GSN_A : KLSTRUCT_GSN_B));
			/* If we don't have a gsn component on a gsn board
			 * then we have a weird klconfig.
			 */
			if (!gsn)
				return(1);
			/* Get the serial number information from
			 * the gsn's manufacturing nic info
			 */
			if (component_serial_number_get(board,
						gsn->gsn_mfg_nic,
						serial_number,
						""))
				return(1);
			break;
		} else {
		     	klbri_t	*bridge;
		
			/* Get the bridge component information */
			bridge = (klbri_t *)find_first_component(board,
							 KLSTRUCT_BRI);
			/* If we don't have a bridge component on an IO board
			 * then we have a weird klconfig.
			 */
			if (!bridge)
				return(1);
			/* Get the serial number information from
		 	 * the bridge's manufacturing nic info
			 */
			if (component_serial_number_get(board,
						bridge->bri_mfg_nic,
						serial_number,
						""))
				return(1);
			break;
		}
	}
	case KLCLASS_ROUTER: {	/* Router board */
		klrou_t *router;	
		
		/* Get the router component information */
		router = (klrou_t *)find_first_component(board,
							 KLSTRUCT_ROU);
		/* If we don't have a router component on a router board
		 * then we have a weird klconfig.
		 */
		if (!router)
			return(1);
		/* Get the serial number information from
		 * the router's manufacturing nic info
		 */
		if (component_serial_number_get(board,
						router->rou_mfg_nic,
						serial_number,
						""))
			return(1);
		break;
	}
	case KLCLASS_GFX: {	/* Gfx board */
		klgfx_t *graphics;
		
		/* Get the graphics component information */
		graphics = (klgfx_t *)find_first_component(board, KLSTRUCT_GFX);
		/* If we don't have a gfx component on a gfx board
		 * then we have a weird klconfig.
		 */
		if (!graphics)
			return(1);
		/* Get the serial number information from
		 * the graphics's manufacturing nic info
		 */
		if (component_serial_number_get(board,
						graphics->gfx_mfg_nic,
						serial_number,
						""))
			return(1);
		break;
	}
	default:
		strcpy(serial_number,"");
		break;
	}
	return(0);
}

#include "asm/sn/sn_private.h"

/*
 * Format a module id for printing.
 */
void
format_module_id(char *buffer, moduleid_t m, int fmt)
{
	int rack, position;
	char brickchar;

	rack = MODULE_GET_RACK(m);
	ASSERT(MODULE_GET_BTYPE(m) < MAX_BRICK_TYPES);
	brickchar = MODULE_GET_BTCHAR(m);

	position = MODULE_GET_BPOS(m);

	if (fmt == MODULE_FORMAT_BRIEF) {
	    /* Brief module number format, eg. 002c15 */

	    /* Decompress the rack number */
	    *buffer++ = '0' + RACK_GET_CLASS(rack);
	    *buffer++ = '0' + RACK_GET_GROUP(rack);
	    *buffer++ = '0' + RACK_GET_NUM(rack);

	    /* Add the brick type */
	    *buffer++ = brickchar;
	}
	else if (fmt == MODULE_FORMAT_LONG) {
	    /* Fuller hwgraph format, eg. rack/002/bay/15 */

	    strcpy(buffer, EDGE_LBL_RACK "/");  buffer += strlen(buffer);

	    *buffer++ = '0' + RACK_GET_CLASS(rack);
	    *buffer++ = '0' + RACK_GET_GROUP(rack);
	    *buffer++ = '0' + RACK_GET_NUM(rack);

	    strcpy(buffer, "/" EDGE_LBL_RPOS "/");  buffer += strlen(buffer);
	}

	/* Add the bay position, using at least two digits */
	if (position < 10)
	    *buffer++ = '0';
	sprintf(buffer, "%d", position);

}

/*
 * Parse a module id, in either brief or long form.
 * Returns < 0 on error.
 * The long form does not include a brick type, so it defaults to 0 (CBrick)
 */
int
parse_module_id(char *buffer)
{
	unsigned int	v, rack, bay, type, form;
	moduleid_t	m;
	char 		c;

	if (strstr(buffer, EDGE_LBL_RACK "/") == buffer) {
		form = MODULE_FORMAT_LONG;
		buffer += strlen(EDGE_LBL_RACK "/");

		/* A long module ID must be exactly 5 non-template chars. */
		if (strlen(buffer) != strlen("/" EDGE_LBL_RPOS "/") + 5)
			return -1;
	}
	else {
		form = MODULE_FORMAT_BRIEF;

		/* A brief module id must be exactly 6 characters */
		if (strlen(buffer) != 6)
			return -2;
	}

	/* The rack number must be exactly 3 digits */
	if (!(isdigit(buffer[0]) && isdigit(buffer[1]) && isdigit(buffer[2])))
		return -3;

	rack = 0;
	v = *buffer++ - '0';
	if (v > RACK_CLASS_MASK(rack) >> RACK_CLASS_SHFT(rack))
		return -4;
	RACK_ADD_CLASS(rack, v);

	v = *buffer++ - '0';
	if (v > RACK_GROUP_MASK(rack) >> RACK_GROUP_SHFT(rack))
		return -5;
	RACK_ADD_GROUP(rack, v);

	v = *buffer++ - '0';
	/* rack numbers are 1-based */
	if (v-1 > RACK_NUM_MASK(rack) >> RACK_NUM_SHFT(rack))
		return -6;
	RACK_ADD_NUM(rack, v);

	if (form == MODULE_FORMAT_BRIEF) {
		/* Next should be a module type character.  Accept ucase or lcase. */
		c = *buffer++;
		if (!isalpha(c))
			return -7;

		/* strchr() returns a pointer into brick_types[], or NULL */
		type = (unsigned int)(strchr(brick_types, tolower(c)) - brick_types);
		if (type > MODULE_BTYPE_MASK >> MODULE_BTYPE_SHFT)
			return -8;
	}
	else {
		/* Hardcode the module type, and skip over the boilerplate */
		type = MODULE_CBRICK;

		if (strstr(buffer, "/" EDGE_LBL_RPOS "/") != buffer)
			return -9;

		buffer += strlen("/" EDGE_LBL_RPOS "/");
	}
		
	/* The bay number is last.  Make sure it's exactly two digits */

	if (!(isdigit(buffer[0]) && isdigit(buffer[1]) && !buffer[2]))
		return -10;

	bay = 10 * (buffer[0] - '0') + (buffer[1] - '0');

	if (bay > MODULE_BPOS_MASK >> MODULE_BPOS_SHFT)
		return -11;

	m = RBT_TO_MODULE(rack, bay, type);

	/* avoid sign extending the moduleid_t */
	return (int)(unsigned short)m;
}