/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * Sun4v Platform specific functions.
 *
 *      called when :
 *      machine_type ==  erie
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <kstat.h>
#include <fcntl.h>
#include <string.h>
#include <assert.h>
#include <libintl.h>
#include <note.h>
#include <sys/systeminfo.h>
#include <sys/openpromio.h>
#include <sys/sysmacros.h>
#include <picl.h>
#include "picldefs.h"
#include <pdevinfo.h>
#include <display.h>
#include <display_sun4v.h>
#include <libprtdiag.h>
#include "erie.h"

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



/*
 * Add all io picl nodes under pci in io list
 */
/* ARGSUSED */
int
erie_pci_callback(picl_nodehdl_t pcih, void *args)
{
        int             err = PICL_SUCCESS;
        picl_nodehdl_t  nodeh;
        char            path[MAXSTRLEN];
        char            parent_path[MAXSTRLEN];
        char            piclclass[PICL_CLASSNAMELEN_MAX];
        char            name[MAXSTRLEN];
        char            model[MAXSTRLEN];
        char            nac[MAXSTRLEN];
        char            bus_type[MAXSTRLEN];
        int             slot = NO_SLOT;

        /* Get the parent node's path - used to determine bus type of child */
        err = picl_get_propval_by_name(pcih, PICL_PROP_DEVFS_PATH, parent_path,
            sizeof (parent_path));
        if (err != PICL_SUCCESS) {
                return (err);
        }

        /* Walk through this node's children */
        err = picl_get_propval_by_name(pcih, PICL_PROP_CHILD, &nodeh,
            sizeof (picl_nodehdl_t));
        while (err == PICL_SUCCESS) {

                /* Get child's class */
                if ((err = erie_get_class(nodeh, piclclass,
                    sizeof (piclclass))) != PICL_SUCCESS)
                        return (err);

                /* If this node is a pci bus or bridge, get node's sibling */
                if ((strcmp(piclclass, "pci") == 0 ||
                    (strcmp(piclclass, "pciex") == 0))) {
                        err = picl_get_propval_by_name(nodeh, PICL_PROP_PEER,
                            &nodeh, sizeof (picl_nodehdl_t));
                        continue;
                }

                /*
                 * In order to get certain values, it's necessary
                 * to search the picl tree. If there's a problem
                 * with these searches, we'll return the err
                 */
                if ((err = erie_get_path(nodeh, path, sizeof (path)))
                    != PICL_SUCCESS)
                        return (err);
                if ((err = erie_get_name(nodeh, name, sizeof (name)))
                    != PICL_SUCCESS)
                        return (err);
                if ((err = erie_get_model(nodeh, model, sizeof (model)))
                    != PICL_SUCCESS)
                        return (err);
                erie_get_bus_type(parent_path, bus_type);
                slot = erie_get_slot_number(path);
                erie_get_nac(bus_type, path, slot, name, nac, sizeof (nac));


                /* Print out the data */

                /* Print NAC */
                log_printf("%-11s", nac);

                /* Print IO Type */
                log_printf("%-6s", bus_type);

                /* Print Slot # */
                if (slot != NO_SLOT) {
                        log_printf("%5d", slot);
                        log_printf("%46s", path);
                } else {
                        log_printf("%5s", MOTHERBOARD);
                        log_printf("%46s", path);
                }

                /* Printf Node Name */
                if (strlen(name) > 25)
                        log_printf("%25.24s+", name);
                else
                        log_printf("%26s", name);
                /* Print Card Model */
                if (strlen(model) > 10)
                        log_printf("%10.9s+", model);
                else
                        log_printf("%11s", model);
                log_printf("\n");

                /* Grab the next child under parent node and do it again */
                err = picl_get_propval_by_name(nodeh, PICL_PROP_PEER, &nodeh,
                    sizeof (picl_nodehdl_t));
        }
        return (PICL_WALK_CONTINUE);
}


/*
 * ----------------------------------------------------------------------------
 */

/*
 * Add all IO ASIC revisions to list
 */
/* ARGSUSED */
int
erie_hw_rev_callback(picl_nodehdl_t pcih, void *args)
{
        int             err = PICL_SUCCESS;
        char            path[MAXSTRLEN] = "";
        char            nac[MAXSTRLEN];
        char            *compatible;
        int32_t         revision;

        /* Get path of this device */
        err = picl_get_propval_by_name(pcih, PICL_PROP_DEVFS_PATH, path,
            sizeof (path));
        if (err != PICL_SUCCESS) {
                return (err);
        }
        /*
         * If it's a network dev, then print network info.
         * Else if it's not a network dev,  check for FIRE ASIC
         * Else return PICL_WALK_CONTINUE
         */
        if ((strcmp(path, ERIE_NETWORK_0) == 0) ||
            (strcmp(path, ERIE_NETWORK_1) == 0)) {
                (void) snprintf(nac, sizeof (nac), "%s/%s%d", MOTHERBOARD,
                    OPHIR, 0);
                revision = erie_get_int_propval(pcih, OBP_PROP_REVISION_ID,
                    &err);
        } else if ((strcmp(path, ERIE_NETWORK_2) == 0) ||
            (strcmp(path, ERIE_NETWORK_3) == 0)) {
                (void) snprintf(nac, sizeof (nac), "%s/%s%d", MOTHERBOARD,
                    OPHIR, 1);
                revision = erie_get_int_propval(pcih, OBP_PROP_REVISION_ID,
                    &err);
        } else if ((strcmp(path, ERIE_LSI_PATH) == 0)) {
                (void) snprintf(nac, sizeof (nac), "%s/%s", MOTHERBOARD,
                    SAS_SATA_HBA);
                revision = erie_get_int_propval(pcih, OBP_PROP_REVISION_ID,
                    &err);
        } else if ((strcmp(path, FIRE0) == 0) || (strcmp(path, FIRE1) == 0)) {
                (void) snprintf(nac, sizeof (nac), "%s/%s", MOTHERBOARD,
                    IOBRIDGE);
                revision = erie_get_int_propval(pcih, OBP_PROP_REVISION_ID,
                    &err);
        } else if ((strcmp(path, PCIE_PCIX) == 0) ||
            (strcmp(path, PCIE_PCIE) == 0)) {
                (void) snprintf(nac, sizeof (nac), "%s/%s", MOTHERBOARD,
                    PCI_BRIDGE);
                revision = erie_get_int_propval(pcih, OBP_PROP_REVISION_ID,
                    &err);
        } else {
                return (PICL_WALK_CONTINUE);
        }

        /* Get first compatible value from picl compatible list */
        err = erie_get_first_compatible_value(pcih, &compatible);
        if (err != PICL_SUCCESS) {
                return (err);
        }

        /* Print nacation */
        log_printf("%-20s", nac);

        /* Print Device Path */
        log_printf("%41s", path);

        /* Print Compatible # */
        log_printf("%31s", compatible);
        free(compatible);

        /* Print Revision */
        log_printf("%6d", revision);
        log_printf("\n");

        return (PICL_WALK_CONTINUE);
}

/*
 * ----------------------------------------------------------------------------
 */

/*
 * Local functions
 */


/*
 * This function returns the first picl compatible value
 */
int
erie_get_first_compatible_value(picl_nodehdl_t nodeh, char **outbuf)
{
        int             err;
        picl_prophdl_t  proph;
        picl_propinfo_t pinfo;
        picl_prophdl_t  tblh;
        picl_prophdl_t  rowproph;
        char            *pval;

        err = picl_get_propinfo_by_name(nodeh, OBP_PROP_COMPATIBLE,
            &pinfo, &proph);
        if (err != PICL_SUCCESS)
            return (err);

        if (pinfo.type == PICL_PTYPE_CHARSTRING) {
                pval = malloc(pinfo.size);
                if (pval == NULL)
                        return (PICL_FAILURE);
                err = picl_get_propval(proph, pval, pinfo.size);
                if (err != PICL_SUCCESS) {
                        free(pval);
                        return (err);
                }
                *outbuf = pval;
                return (PICL_SUCCESS);
        }

        if (pinfo.type != PICL_PTYPE_TABLE)
                return (PICL_FAILURE);

        /* get first string from table */
        err = picl_get_propval(proph, &tblh, pinfo.size);
        if (err != PICL_SUCCESS)
                return (err);

        err = picl_get_next_by_row(tblh, &rowproph);
        if (err != PICL_SUCCESS)
                return (err);

        err = picl_get_propinfo(rowproph, &pinfo);
        if (err != PICL_SUCCESS)
            return (err);

        pval = malloc(pinfo.size);
        if (pval == NULL)
                return (PICL_FAILURE);

        err = picl_get_propval(rowproph, pval, pinfo.size);
        if (err != PICL_SUCCESS) {
                free(pval);
                return (err);
        }

        *outbuf = pval;
        return (PICL_SUCCESS);
}

/*
 * This function returns the revision of
 * a device.
 */
int64_t
erie_get_int_propval(picl_nodehdl_t modh, char *prop_name, int *ret)
{
        int             err;
        picl_prophdl_t  proph;
        picl_propinfo_t pinfo;
        int8_t          int8v;
        int16_t         int16v;
        int32_t         int32v;
        int64_t         int64v;

        err = picl_get_propinfo_by_name(modh, prop_name, &pinfo, &proph);
        if (err != PICL_SUCCESS) {
                *ret = err;
                return (0);
        }

        /*
         * If it is not an int, uint or byte array prop, return failure
         */
        if ((pinfo.type != PICL_PTYPE_INT) &&
                (pinfo.type != PICL_PTYPE_UNSIGNED_INT) &&
                (pinfo.type != PICL_PTYPE_BYTEARRAY)) {
                *ret = PICL_FAILURE;
                return (0);
        }

        switch (pinfo.size) {
        case sizeof (int8_t):
                err = picl_get_propval(proph, &int8v, sizeof (int8v));
                *ret = err;
                return (int8v);
        case sizeof (int16_t):
                err = picl_get_propval(proph, &int16v, sizeof (int16v));
                *ret = err;
                return (int16v);
        case sizeof (int32_t):
                err = picl_get_propval(proph, &int32v, sizeof (int32v));
                *ret = err;
                return (int32v);
        case sizeof (int64_t):
                err = picl_get_propval(proph, &int64v, sizeof (int64v));
                *ret = err;
                return (int64v);
        default:        /* not supported size */
                *ret = PICL_FAILURE;
                return (0);
        }
}

/*
 * This function fills in the bus type for an IO device.
 * If a device hangs off /pci@7c0/pci@0/pci@8, it's on
 * the pci-x bus. Otherwise, it's on a pci-e bus.
 *
 */
void
erie_get_bus_type(char path[], char bus_type[])
{
        if (strncmp(path, PCIX_BUS, ERIE_PCIX_COMP) == 0) {
                (void) strcpy(bus_type, "PCIX");
        } else {
                (void) strcpy(bus_type, "PCIE");
        }
}

/*
 * Thie function indicates whether a device is in a pci-e slot
 * or if it's on the motherboard. There's only one pci-e slot
 * on erie, everything else is on the motherboard.
 *
 */
int
erie_get_slot_number(char path[])
{
        if (strncmp(path, FIRE0, ERIE_PCIE_COMP) == 0)
                return (0);
        return (NO_SLOT);
}

/*
 * This function takes a path to one of the on-board
 * network devices and returns the instance# of that
 * device.
 *
 */
int
erie_get_network_instance(char path[])
{

        if (strncmp(path, ERIE_NETWORK_1, strlen(ERIE_NETWORK_1)) == 0) {
                return (1);
        } else if (strncmp(path, ERIE_NETWORK_3, strlen(ERIE_NETWORK_3)) == 0) {
                return (3);
        } else if (strncmp(path, ERIE_NETWORK_0, strlen(ERIE_NETWORK_0)) == 0) {
                return (0);
        } else if (strncmp(path, ERIE_NETWORK_2, strlen(ERIE_NETWORK_2)) == 0) {
                return (2);
        } else {
                return (-1);
        }
}

/*
 * This function gets the path of a node and
 * the error code from the picl API
 *
 */
int
erie_get_path(picl_nodehdl_t nodeh, char path[], int size)
{
        int  err;

        /* hardware path of this node */
        err = picl_get_propval_by_name(nodeh, PICL_PROP_DEVFS_PATH,
            path, size);
        return (err);
}

/*
 * This function returns assings the string passed in
 * the value of the picl node's name
 *
 */
int
erie_get_name(picl_nodehdl_t nodeh, char name[], int size)
{
        int  err;
        char *compatible;
        char binding_name[MAXSTRLEN];
        char lname[MAXSTRLEN];

        /* Get this node's name */
        err = picl_get_propval_by_name(nodeh, PICL_PROP_NAME, &lname, size);
        if (err == PICL_PROPNOTFOUND) {
                (void) strcpy(lname, "");
                err = PICL_SUCCESS;
        }

        /*
         * If binding_name is found,
         * name will be <nodename>-<binding_name>
         */
        err = picl_get_propval_by_name(nodeh, PICL_PROP_BINDING_NAME,
            &binding_name, sizeof (binding_name));
        if (err == PICL_SUCCESS) {
                if (strcmp(lname, binding_name) != 0) {
                        (void) strlcat(lname, "-", MAXSTRLEN);
                        (void) strlcat(lname, binding_name, MAXSTRLEN);
                }
        /*
         * if compatible prop is not found, name will be
         * <nodename>-<compatible>
         */
        } else if (err == PICL_PROPNOTFOUND) {
                err = erie_get_first_compatible_value(nodeh, &compatible);
                if (err == PICL_SUCCESS) {
                        (void) strlcat(lname, "-", MAXSTRLEN);
                        (void) strlcat(lname, compatible, MAXSTRLEN);
                }
                err = PICL_SUCCESS;
        } else {
                return (err);
        }

        /* The name was created fine, copy it to name var */
        (void) strcpy(name, lname);
        return (err);
}

/*
 * This functions assigns the string passed in the
 * the value of the picl node's NAC name.
 */
void
erie_get_nac(char bus_type[], char path[], int slot,  char name[], char nac[],
    int size)
{
        int instance;

        /* Figure out NAC name and instance, if onboard network node */
        if (strncmp(name, NETWORK, NET_COMP_NUM) == 0) {
                instance = erie_get_network_instance(path);
                (void) snprintf(nac, size, "%s/%s%d", MOTHERBOARD,
                    "NET", instance);
        } else if (slot != NO_SLOT) {
                (void) snprintf(nac, size, "%s/%s%d", MOTHERBOARD, bus_type,
                    slot);
        } else {
                (void) snprintf(nac, size, "%s/%s", MOTHERBOARD, bus_type);
        }
}

/*
 * This function copies the node's model into model string
 *
 */
int
erie_get_model(picl_nodehdl_t nodeh, char model[], int size)
{
        int err;
        char tmp_model[MAXSTRLEN];

        /* Get the model of this node */
        err = picl_get_propval_by_name(nodeh, OBP_PROP_MODEL,
            &tmp_model, size);
        if (err == PICL_PROPNOTFOUND) {
                (void) strcpy(model, "");
                err = PICL_SUCCESS;
        } else {
                (void) strcpy(model, tmp_model);
        }
        return (err);
}

/*
 * This function copies the node's class into class string
 *
 */
int
erie_get_class(picl_nodehdl_t nodeh, char piclclass[], int size)
{
        int err;
        err = picl_get_propval_by_name(nodeh, PICL_PROP_CLASSNAME,
            piclclass, size);
        return (err);
}