8322 nl: misleading-indentation

[unleashed/tickless.git] / usr / src / lib / libprtdiag / common / io.c

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 1999-2001 by Sun Microsystems, Inc.
 * All rights reserved.
 */

#pragma ident   "%Z%%M% %I%     %E% SMI"

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <ctype.h>
#include <string.h>
#include <kvm.h>
#include <varargs.h>
#include <errno.h>
#include <time.h>
#include <dirent.h>
#include <fcntl.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/utsname.h>
#include <sys/openpromio.h>
#include <sys/systeminfo.h>
#include <kstat.h>
#include <libintl.h>
#include <syslog.h>
#include <sys/dkio.h>
#include "pdevinfo.h"
#include "display.h"
#include "pdevinfo_sun4u.h"
#include "display_sun4u.h"
#include "libprtdiag.h"

#if !defined(TEXT_DOMAIN)
#define TEXT_DOMAIN     "SYS_TEST"
#endif

Prom_node *
find_pci_bus(Prom_node *node, int id, int bus)
{
        Prom_node *pnode;

        /* find the first pci node */
        pnode = dev_find_node(node, "pci");

        while (pnode != NULL) {
                int tmp_id;
                int tmp_bus;

                tmp_id = get_id(pnode);
                tmp_bus = get_pci_bus(pnode);

                if ((tmp_id == id) &&
                    (tmp_bus == bus)) {
                        break;
                }

                pnode = dev_next_node(pnode, "pci");
        }
        return (pnode);
}

/*
 * get_pci_bus
 *
 * Determines the PCI bus, either A (0) or B (1). If the function cannot
 * find the bus-ranges property, it returns -1.
 */
int
get_pci_bus(Prom_node *pnode)
{
        int *value;

        /* look up the bus-range property */
        if ((value = (int *)get_prop_val(find_prop(pnode, "bus-range"))) ==
            NULL) {
                return (-1);
        }

        if (*value == 0) {
                return (1);     /* B bus has a bus-range value = 0 */
        } else {
                return (0);
        }
}



/*
 * Find the PCI device number of this PCI device. If no device number can
 * be determined, then return -1.
 */
int
get_pci_device(Prom_node *pnode)
{
        void *value;

        if ((value = get_prop_val(find_prop(pnode, "assigned-addresses"))) !=
                NULL) {
                return (PCI_DEVICE(*(int *)value));
        } else {
                return (-1);
        }
}

/*
 * Find the PCI device number of this PCI device. If no device number can
 * be determined, then return -1.
 */
int
get_pci_to_pci_device(Prom_node *pnode)
{
        void *value;

        if ((value = get_prop_val(find_prop(pnode, "reg"))) !=
                NULL) {
                return (PCI_DEVICE(*(int *)value));
        } else {
                return (-1);
        }
}

/*
 * free_io_cards
 * Frees the memory allocated for an io card list.
 */
void
free_io_cards(struct io_card *card_list)
{
        /* Free the list */
        if (card_list != NULL) {
                struct io_card *p, *q;

                for (p = card_list, q = NULL; p != NULL; p = q) {
                        q = p->next;
                        free(p);
                }
        }
}


/*
 * insert_io_card
 * Inserts an io_card structure into the list.  The list is maintained
 * in order based on board number and slot number.  Also, the storage
 * for the "card" argument is assumed to be handled by the caller,
 * so we won't touch it.
 */
struct io_card *
insert_io_card(struct io_card *list, struct io_card *card)
{
        struct io_card *newcard;
        struct io_card *p, *q;

        if (card == NULL)
                return (list);

        /* Copy the card to be added into new storage */
        newcard = (struct io_card *)malloc(sizeof (struct io_card));
        if (newcard == NULL) {
                perror("malloc");
                exit(2);
        }
        (void) memcpy(newcard, card, sizeof (struct io_card));
        newcard->next = NULL;

        if (list == NULL)
        return (newcard);

        /* Find the proper place in the list for the new card */
        for (p = list, q = NULL; p != NULL; q = p, p = p->next) {
                if (newcard->board < p->board)
                        break;
                if ((newcard->board == p->board) && (newcard->slot < p->slot))
                        break;
        }

        /* Insert the new card into the list */
        if (q == NULL) {
                newcard->next = p;
                return (newcard);
        } else {
                newcard->next = p;
                q->next = newcard;
                return (list);
        }
}


char *
fmt_manf_id(unsigned int encoded_id, char *outbuf)
{
        union manuf manuf;

        /*
         * Format the manufacturer's info.  Note a small inconsistency we
         * have to work around - Brooktree has it's part number in decimal,
         * while Mitsubishi has it's part number in hex.
         */
        manuf.encoded_id = encoded_id;
        switch (manuf.fld.manf) {
        case MANF_BROOKTREE:
                (void) sprintf(outbuf, "%s %d, version %d", "Brooktree",
                        manuf.fld.partno, manuf.fld.version);
                break;

        case MANF_MITSUBISHI:
                (void) sprintf(outbuf, "%s %x, version %d", "Mitsubishi",
                        manuf.fld.partno, manuf.fld.version);
                break;

        default:
                (void) sprintf(outbuf, "JED code %d, Part num 0x%x, version %d",
                        manuf.fld.manf, manuf.fld.partno, manuf.fld.version);
        }
        return (outbuf);
}


/*
 * Find the sbus slot number of this Sbus device. If no slot number can
 * be determined, then return -1.
 */
int
get_sbus_slot(Prom_node *pnode)
{
        void *value;

        if ((value = get_prop_val(find_prop(pnode, "reg"))) != NULL) {
                return (*(int *)value);
        } else {
                return (-1);
        }
}


/*
 * This routine is the generic link into displaying system IO
 * configuration. It displays the table header, then displays
 * all the SBus cards, then displays all fo the PCI IO cards.
 */
void
display_io_devices(Sys_tree *tree)
{
        Board_node *bnode;

        /*
         * TRANSLATION_NOTE
         * Following string is used as a table header.
         * Please maintain the current alignment in
         * translation.
         */
        log_printf("\n", 0);
        log_printf("=========================", 0);
        log_printf(dgettext(TEXT_DOMAIN, " IO Cards "), 0);
        log_printf("=========================", 0);
        log_printf("\n", 0);
        log_printf("\n", 0);
        bnode = tree->bd_list;
        while (bnode != NULL) {
                display_sbus(bnode);
                display_pci(bnode);
                display_ffb(bnode, 1);
                bnode = bnode->next;
        }
}

void
display_pci(Board_node *bnode)
{
#ifdef  lint
        bnode = bnode;
#endif
        /*
         * This function is intentionally empty
         */
}


/*
 * Print out all the io cards in the list.  Also print the column
 * headers if told to do so.
 */
void
display_io_cards(struct io_card *list)
{
        static int banner = 0; /* Have we printed the column headings? */
        struct io_card *p;

        if (list == NULL)
                return;

        if (banner == 0) {
                log_printf("     Bus   Freq\n", 0);
                log_printf("Brd  Type  MHz   Slot        "
                        "Name                          "
                        "Model", 0);
                log_printf("\n", 0);
                log_printf("---  ----  ----  ----------  "
                        "----------------------------  "
                        "--------------------", 0);
                log_printf("\n", 0);
                banner = 1;
        }

        for (p = list; p != NULL; p = p -> next) {
                log_printf("%2d   ", p->board, 0);
                log_printf("%-4s  ", p->bus_type, 0);
                log_printf("%3d   ", p->freq, 0);
                /*
                 * We check to see if it's an int or
                 * a char string to display for slot.
                 */
                if (p->slot == PCI_SLOT_IS_STRING)
                        log_printf("%10s  ", p->slot_str, 0);
                else
                        log_printf("%10d  ", p->slot, 0);

                log_printf("%-28.28s", p->name, 0);
                if (strlen(p->name) > 28)
                        log_printf("+ ", 0);
                else
                        log_printf("  ", 0);
                log_printf("%-19.19s", p->model, 0);
                if (strlen(p->model) > 19)
                        log_printf("+", 0);
                log_printf("\n", 0);
        }
}

/*
 * Display all FFBs on this board.  It can either be in tabular format,
 * or a more verbose format.
 */
void
display_ffb(Board_node *board, int table)
{
        Prom_node *fb;
        void *value;
        struct io_card *card_list = NULL;
        struct io_card card;
        char *type;
        char *label;

        if (board == NULL)
                return;

        /* Fill in common information */
        card.display = 1;
        card.board = board->board_num;
        (void) sprintf(card.bus_type, BUS_TYPE);
        card.freq = sys_clk;

        for (fb = dev_find_node_by_type(board->nodes, "device_type", "display");
            fb != NULL;
            fb = dev_next_node_by_type(fb, "device_type", "display")) {
                value = get_prop_val(find_prop(fb, "name"));
                if (value != NULL) {
                        if ((strcmp(FFB_NAME, value)) == 0) {
                                type = FFB_NAME;
                                label = "FFB";
                        } else if ((strcmp(AFB_NAME, value)) == 0) {
                                type = AFB_NAME;
                                label = "AFB";
                        } else
                                continue;
                } else
                        continue;
                if (table == 1) {
                        /* Print out in table format */

                        /* XXX - Get the slot number (hack) */
                        card.slot = get_id(fb);

                        /* Find out if it's single or double buffered */
                        (void) sprintf(card.name, "%s", label);
                        value = get_prop_val(find_prop(fb, "board_type"));
                        if (value != NULL)
                                if ((*(int *)value) & FFB_B_BUFF)
                                        (void) sprintf(card.name,
                                                "%s, Double Buffered", label);
                                else
                                        (void) sprintf(card.name,
                                                "%s, Single Buffered", label);

                        /*
                         * Print model number only if board_type bit 2
                         * is not set and it is not SUNW,XXX-XXXX.
                         */
                        card.model[0] = '\0';

                        if (strcmp(type, AFB_NAME) == 0) {
                                if (((*(int *)value) & 0x4) != 0x4) {
                                        value = get_prop_val(find_prop(fb,
                                                    "model"));
                                        if ((value != NULL) &&
                                            (strcmp(value,
                                            "SUNW,XXX-XXXX") != 0)) {
                                                (void) sprintf(card.model, "%s",
                                                    (char *)value);
                                        }
                                }
                        } else {
                                value = get_prop_val(find_prop(fb, "model"));
                                if (value != NULL)
                                        (void) sprintf(card.model, "%s",
                                            (char *)value);
                        }

                        card_list = insert_io_card(card_list, &card);
                } else {
                        /* print in long format */
                        char device[MAXSTRLEN];
                        int fd = -1;
                        struct dirent *direntp;
                        DIR *dirp;
                        union strap_un strap;
                        struct ffb_sys_info fsi;

                        /* Find the device node using upa-portid/portid */
                        value = get_prop_val(find_prop(fb, "upa-portid"));
                        if (value == NULL)
                                value = get_prop_val(find_prop(fb, "portid"));

                        if (value == NULL)
                            continue;

                        (void) sprintf(device, "%s@%x", type,
                                *(int *)value);
                        if ((dirp = opendir("/devices")) == NULL)
                                continue;

                        while ((direntp = readdir(dirp)) != NULL) {
                                if (strstr(direntp->d_name, device) != NULL) {
                                        (void) sprintf(device, "/devices/%s",
                                                direntp->d_name);
                                        fd = open(device, O_RDWR, 0666);
                                        break;
                                }
                        }
                        (void) closedir(dirp);

                        if (fd == -1)
                                continue;

                        if (ioctl(fd, FFB_SYS_INFO, &fsi) < 0)
                                continue;

                        log_printf("%s Hardware Configuration:\n", label, 0);
                        log_printf("-----------------------------------\n", 0);

                        strap.ffb_strap_bits = fsi.ffb_strap_bits;
                        log_printf("\tBoard rev: %d\n",
                                (int)strap.fld.board_rev, 0);
                        log_printf("\tFBC version: 0x%x\n", fsi.fbc_version, 0);
                        log_printf("\tDAC: %s\n",
                                fmt_manf_id(fsi.dac_version, device), 0);
                        log_printf("\t3DRAM: %s\n",
                                fmt_manf_id(fsi.fbram_version, device), 0);
                        log_printf("\n", 0);
                }

        }
        display_io_cards(card_list);
        free_io_cards(card_list);
}


/*
 * Display all the SBus IO cards on this board.
 */
void
display_sbus(Board_node *board)
{
        struct io_card card;
        struct io_card *card_list = NULL;
        int freq;
        int card_num;
        void *value;
        Prom_node *sbus;
        Prom_node *card_node;

        if (board == NULL)
                return;

        for (sbus = dev_find_node(board->nodes, SBUS_NAME); sbus != NULL;
            sbus = dev_next_node(sbus, SBUS_NAME)) {

                /* Skip failed nodes for now */
                if (node_failed(sbus))
                        continue;

                /* Calculate SBus frequency in MHz */
                value = get_prop_val(find_prop(sbus, "clock-frequency"));
                if (value != NULL)
                        freq = ((*(int *)value) + 500000) / 1000000;
                else
                        freq = -1;

                for (card_node = sbus->child; card_node != NULL;
                    card_node = card_node->sibling) {
                        char *model;
                        char *name;
                        char *child_name;

                        card_num = get_sbus_slot(card_node);
                        if (card_num == -1)
                                continue;

                        /* Fill in card information */
                        card.display = 1;
                        card.freq = freq;
                        card.board = board->board_num;
                        (void) sprintf(card.bus_type, "SBus");
                        card.slot = card_num;
                        card.status[0] = '\0';

                        /* Try and get card status */
                        value = get_prop_val(find_prop(card_node, "status"));
                        if (value != NULL)
                                (void) strncpy(card.status, (char *)value,
                                        MAXSTRLEN);

                        /* XXX - For now, don't display failed cards */
                        if (strstr(card.status, "fail") != NULL)
                                continue;

                        /* Now gather all of the node names for that card */
                        model = (char *)get_prop_val(find_prop(card_node,
                                "model"));
                        name = get_node_name(card_node);

                        if (name == NULL)
                                continue;

                        card.name[0] = '\0';
                        card.model[0] = '\0';

                        /* Figure out how we want to display the name */
                        child_name = get_node_name(card_node->child);
                        if ((card_node->child != NULL) &&
                            (child_name != NULL)) {
                                value = get_prop_val(find_prop(card_node->child,
                                        "device_type"));
                                if (value != NULL)
                                        (void) sprintf(card.name, "%s/%s (%s)",
                                                name, child_name,
                                                (char *)value);
                                else
                                        (void) sprintf(card.name, "%s/%s", name,
                                                child_name);
                        } else {
                                (void) strncpy(card.name, name, MAXSTRLEN);
                        }

                        if (model != NULL)
                                (void) strncpy(card.model, model, MAXSTRLEN);

                        card_list = insert_io_card(card_list, &card);
                }
        }

        /* We're all done gathering card info, now print it out */
        display_io_cards(card_list);
        free_io_cards(card_list);
}


/*
 * Get slot-names properties from parent node and
 * store them in an array.
 */
int
populate_slot_name_arr(Prom_node *pci, int *slot_name_bits,
                        char **slot_name_arr, int num_slots)
{
        int     i, j, bit_mask;
        char    *value;

        value = (char *)get_prop_val(find_prop(pci, "slot-names"));
        D_PRINTF("\n populate_slot_name_arr: value = [0x%x]\n", value);

        if (value != NULL) {
                char    *strings_arr[MAX_SLOTS_PER_IO_BD];
                bit_mask = *slot_name_bits = *(int *)value;
                D_PRINTF("\nslot_names 1st integer = [0x%x]", *slot_name_bits);

                /* array starts after first int */
                strings_arr[0] = value + sizeof (int);

                /*
                 * break the array out into num_slots number of strings
                 */
                for (i = 1; i < num_slots; i++) {
                        strings_arr[i] = (char *)strings_arr[i - 1]
                            + strlen(strings_arr[i - 1]) + 1;
                }

                /*
                 * process array of slot_names to remove blanks
                 */
                j = 0;
                for (i = 0; i < num_slots; i++) {
                        if ((bit_mask >> i) & 0x1)
                                slot_name_arr[i] = strings_arr[j++];
                        else
                                slot_name_arr[i] = "";

                        D_PRINTF("\nslot_name_arr[%d] = [%s]", i,
                                slot_name_arr[i]);
                }
                return (0);
        } else {
                D_PRINTF("\n populate_slot_name_arr: - psycho with no "
                    "slot-names\n");
                return (0);
        }
}

int
get_card_frequency(Prom_node *pci)
{
        char    *value = get_prop_val(find_prop(pci, "clock-frequency"));

        if (value == NULL)
                return (-1);
        else
                return (int)(((*(int *)value) + 500000) / 1000000);

}

void
get_dev_func_num(Prom_node *card_node, int *dev_no, int *func_no)
{

        void    *value = get_prop_val(find_prop(card_node, "reg"));

        if (value != NULL) {
                int int_val = *(int *)value;
                *dev_no = PCI_REG_TO_DEV(int_val);
                *func_no = PCI_REG_TO_FUNC(int_val);
        } else {
                *dev_no = -1;
                *func_no = -1;
        }
}

void
get_pci_class_codes(Prom_node *card_node, int *class_code, int *subclass_code)
{
        int     class_code_reg = get_pci_class_code_reg(card_node);

        *class_code = CLASS_REG_TO_CLASS(class_code_reg);
        *subclass_code = CLASS_REG_TO_SUBCLASS(class_code_reg);
}

int
is_pci_bridge(Prom_node *card_node, char *name)
{
        int class_code, subclass_code;

        if (card_node == NULL)
                return (FALSE);

        get_pci_class_codes(card_node, &class_code, &subclass_code);

        if ((strncmp(name, "pci", 3) == 0) &&
            (class_code == PCI_BRIDGE_CLASS) &&
            (subclass_code == PCI_PCI_BRIDGE_SUBCLASS))
                return (TRUE);
        else
                return (FALSE);
}

int
is_pci_bridge_other(Prom_node *card_node, char *name)
{
        int class_code, subclass_code;

        if (card_node == NULL)
                return (FALSE);

        get_pci_class_codes(card_node, &class_code, &subclass_code);

        if ((strncmp(name, "pci", 3) == 0) &&
            (class_code == PCI_BRIDGE_CLASS) &&
            (subclass_code == PCI_SUBCLASS_OTHER))
                return (TRUE);
        else
                return (FALSE);
}
void
get_pci_card_model(Prom_node *card_node, char *model)
{
        char    *name = get_prop_val(find_prop(card_node, "name"));
        char    *value = get_prop_val(find_prop(card_node, "model"));
        int     pci_bridge = is_pci_bridge(card_node, name);

        if (value == NULL)
                model[0] = '\0';
        else
                (void) sprintf(model, "%s",
                        (char *)value);

        if (pci_bridge) {
                if (strlen(model) == 0)
                        (void) sprintf(model,
                                "%s", "pci-bridge");
                else
                        (void) sprintf(model,
                                "%s/pci-bridge", model);
        }
}

void
create_io_card_name(Prom_node *card_node, char *name, char *card_name)
{
        char    *value = get_prop_val(find_prop(card_node, "compatible"));
        char    *child_name;
        char    buf[MAXSTRLEN];

        if (value != NULL) {
                (void) sprintf(buf, "%s-%s", name,
                        (char *)value);
        } else
                (void) sprintf(buf, "%s", name);

        name = buf;

        child_name = (char *)get_node_name(card_node->child);

        if ((card_node->child != NULL) &&
            (child_name != NULL)) {
                value = get_prop_val(find_prop(card_node->child,
                        "device_type"));
                if (value != NULL)
                        (void) sprintf(card_name, "%s/%s (%s)",
                                name, child_name,
                                (char *)value);
                else
                        (void) sprintf(card_name, "%s/%s", name,
                                child_name);
        } else {
                (void) sprintf(card_name, "%s", (char *)name);
        }
}


/*
 * Desktop display_psycho_pci
 * Display all the psycho based PCI IO cards on this board.
 */

/* ARGSUSED */
void
display_psycho_pci(Board_node *board)
{
        struct io_card  *card_list = NULL;
        struct io_card  card;
        void            *value;

        Prom_node       *pci, *card_node, *pci_bridge_node = NULL;
        char            *name;
        int             slot_name_bits, pci_bridge_dev_no,
                        class_code, subclass_code,
                        pci_pci_bridge;
        char            *slot_name_arr[MAX_SLOTS_PER_IO_BD];

        if (board == NULL)
                return;

        /* Initialize all the common information */
        card.display = 1;
        card.board = board->board_num;
        (void) sprintf(card.bus_type, "PCI");

        for (pci = dev_find_node_by_type(board->nodes, "model", "SUNW,psycho");
            pci != NULL;
            pci = dev_next_node_by_type(pci, "model", "SUNW,psycho")) {

                /*
                 * If we have reached a pci-to-pci bridge node,
                 * we are one level below the 'pci' nodes level
                 * in the device tree. To get back to that level,
                 * the search should continue with the sibling of
                 * the parent or else the remaining 'pci' cards
                 * will not show up in the output.
                 */
                if (find_prop(pci, "upa-portid") == NULL) {
                        if ((pci->parent->sibling != NULL) &&
                                (strcmp(get_prop_val(
                                find_prop(pci->parent->sibling,
                                "name")), PCI_NAME) == 0))
                                pci = pci->parent->sibling;
                        else {
                                pci = pci->parent->sibling;
                                continue;
                        }
                }

                D_PRINTF("\n\n------->Looking at device [%s][%d] - [%s]\n",
                    PCI_NAME, *((int *)get_prop_val(find_prop(
                        pci, "upa-portid"))),
                        get_prop_val(find_prop(pci, "model")));

                /* Skip all failed nodes for now */
                if (node_failed(pci))
                        continue;

                /* Fill in frequency */
                card.freq = get_card_frequency(pci);

                /*
                 * Each PSYCHO device has a slot-names property that can be
                 * used to determine the slot-name string for each IO
                 * device under this node. We get this array now and use
                 * it later when looking at the children of this PSYCHO.
                 */
                if ((populate_slot_name_arr(pci, &slot_name_bits,
                    (char **)&slot_name_arr, MAX_SLOTS_PER_IO_BD)) != 0)
                        goto next_card;

                /* Walk through the PSYCHO children */
                card_node = pci->child;
                while (card_node != NULL) {

                        pci_pci_bridge = FALSE;

                        /* If it doesn't have a name, skip it */
                        name = (char *)get_prop_val(
                                find_prop(card_node, "name"));
                        if (name == NULL)
                                goto next_card;

                        /* get dev# and func# for this card. */
                        get_dev_func_num(card_node, &card.dev_no,
                            &card.func_no);

                        /* get class/subclass code for this card. */
                        get_pci_class_codes(card_node, &class_code,
                            &subclass_code);

                        D_PRINTF("\nName [%s] - ", name);
                        D_PRINTF("device no [%d] - ", card.dev_no);
                        D_PRINTF("class_code [%d] subclass_code [%d] - ",
                            class_code, subclass_code);

                        /*
                         * Weed out PCI Bridge, subclass 'other' and
                         * ebus nodes.
                         */
                        if (((class_code == PCI_BRIDGE_CLASS) &&
                            (subclass_code == PCI_SUBCLASS_OTHER)) ||
                            (strstr(name, "ebus"))) {
                                D_PRINTF("\nSkip ebus/class-other nodes [%s]",
                                    name);
                                goto next_card;
                        }

                        /*
                         * If this is a PCI bridge, then we store it's dev_no
                         * so that it's children can use it for getting at
                         * the slot_name.
                         */
                        if (is_pci_bridge(card_node, name)) {
                                pci_bridge_dev_no = card.dev_no;
                                pci_bridge_node = card_node;
                                pci_pci_bridge = TRUE;
                                D_PRINTF("\nPCI Bridge detected\n");
                        }

                        /*
                         * If we are the child of a pci_bridge we use the
                         * dev# of the pci_bridge as an index to get
                         * the slot number. We know that we are a child of
                         * a pci-bridge if our parent is the same as the last
                         * pci_bridge node found above.
                         */
                        if (card_node->parent == pci_bridge_node)
                                card.dev_no = pci_bridge_dev_no;

                        /* Get slot-names property from slot_names_arr. */
                        get_slot_number_str(&card, (char **)slot_name_arr,
                            slot_name_bits);

                        if (slot_name_bits)
                                D_PRINTF("\nIO Card [%s] dev_no [%d] SlotStr "
                                    "[%s] slot [%s]", name, card.dev_no,
                                    slot_name_arr[card.dev_no],
                                    card.slot_str);

                        /* XXX - Don't know how to get status for PCI cards */
                        card.status[0] = '\0';

                        /* Get the model of this card */
                        get_pci_card_model(card_node, (char *)&card.model);

                        /*
                         * If we haven't figured out the frequency yet,
                         * try and get it from the card.
                         */
                        value = get_prop_val(find_prop(pci, "clock-frequency"));
                        if (value != NULL && card.freq == -1)
                                card.freq = ((*(int *)value) + 500000)
                                        / 1000000;


                        /* Figure out how we want to display the name */
                        create_io_card_name(card_node, name,
                                (char *)&card.name);

                        if (card.freq != -1)
                                card_list = insert_io_card(card_list, &card);

next_card:
                        /*
                         * If we are done with the children of the pci bridge,
                         * we must continue with the remaining siblings of
                         * the pci-to-pci bridge - otherwise we move onto our
                         * own sibling.
                         */
                        if (pci_pci_bridge) {
                                if (card_node->child != NULL)
                                        card_node = card_node->child;
                                else
                                        card_node = card_node->sibling;
                        } else {
                                if ((card_node->parent == pci_bridge_node) &&
                                    (card_node->sibling == NULL))
                                        card_node = pci_bridge_node->sibling;
                                else
                                        card_node = card_node->sibling;
                        }
                } /* end-while */
        } /* end-for */

        D_PRINTF("\n\n");

        display_io_cards(card_list);
        free_io_cards(card_list);
}

void
get_slot_number_str(struct io_card *card, char **slot_name_arr,
        int slot_name_bits)
{
        if (card->dev_no != -1) {
                char    *slot;
                /*
                 * slot_name_bits is a mask of the plug-in slots so if our
                 * dev_no does not appear in this mask we must be an
                 * on_board device so set the slot to 'On-Board'
                 */
                if (slot_name_bits & (1 << card->dev_no)) {
                        /* we are a plug-in card */
                        slot = slot_name_arr[card->dev_no];
                        if (strlen(slot) != 0) {
                                (void) sprintf(card->slot_str, "%s",
                                    slot);
                        } else
                                (void) sprintf(card->slot_str, "-");
                } else {
                        /* this is an on-board dev. */
                        sprintf(card->slot_str, "On-Board");
                }

        } else {
                (void) sprintf(card->slot_str, "%c", '-');
        }

        /* Informs display_io_cards to print slot_str instead of slot */
        card->slot = PCI_SLOT_IS_STRING;
}


/*
 * The output of a number of I/O cards are identical so we need to
 * differentiate between them.
 *
 * This function is called by the platform specific code and it decides
 * if the card needs further processing.
 *
 * It can be extended in the future if card types other than QLC have
 * the same problems.
 */
void
distinguish_identical_io_cards(char *name, Prom_node *node,
                                struct io_card *card)
{
        if ((name == NULL) || (node == NULL))
                return;

        if (strcmp(name, "SUNW,qlc") == 0)
                decode_qlc_card_model_prop(node, card);
}


/*
 * The name/model properties for a number of the QLC FCAL PCI cards are
 * identical (*), so we need to distinguish them using the subsystem-id
 * and modify the model string to be more informative.
 *
 * (*) Currently the problem cards are:
 *      Amber
 *      Crystal+
 */
void
decode_qlc_card_model_prop(Prom_node *card_node, struct io_card *card)
{
        void    *value = NULL;

        if (card_node == NULL)
                return;

        value = get_prop_val(find_prop(card_node, "subsystem-id"));
        if (value != NULL) {
                int     id = *(int *)value;

                switch (id) {
                case AMBER_SUBSYSTEM_ID:
                        (void) snprintf(card->model, MAX_QLC_MODEL_LEN, "%s",
                                AMBER_CARD_NAME);
                        break;

                case CRYSTAL_SUBSYSTEM_ID:
                        (void) snprintf(card->model, MAX_QLC_MODEL_LEN, "%s",
                                CRYSTAL_CARD_NAME);
                        break;

                default:
                        /*
                         * If information has been saved into the model field
                         * before this function was called we will keep it as
                         * it probably will be more meaningful that the
                         * subsystem-id, otherwise we save the subsystem-id in
                         * the hope that it will distinguish the cards.
                         */
                        if (strcmp(card->model, "") == 0) {
                                (void) snprintf(card->model, MAX_QLC_MODEL_LEN,
                                        "0x%x", id);
                        }
                        break;
                }
        }
}