ontario/common/stpaul.c

/*
 * 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 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

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

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

#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 "stpaul.h"

/* prototypes for local functions */
static void get_bus_type(char *path, struct io_card *card);
static void get_slot_number(char *path, struct io_card *card);
static int stpaul_get_network_instance(char *path);
static int stpaul_get_usb_instance(char *path);
static int stpaul_get_io_instance(char *path, char *type);
static int stpaul_get_first_compatible_value(picl_nodehdl_t nodeh,
    char **outbuf);
static int64_t stpaul_get_int_propval(picl_nodehdl_t modh, char *prop_name,
    int *ret);

/* ARGSUSED */
int
stpaul_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        *compatible;
    char        binding_name[MAXSTRLEN];
    struct io_card  pci_card;
    int32_t     instance;
    char        pn_type;

    err = picl_get_propval_by_name(pcih, PICL_PROP_DEVFS_PATH, parent_path,
        sizeof (parent_path));
    if (err != PICL_SUCCESS)
        return (err);

    /* Walk through the children */

    err = picl_get_propval_by_name(pcih, PICL_PROP_CHILD, &nodeh,
        sizeof (picl_nodehdl_t));

    while (err == PICL_SUCCESS) {
        err = picl_get_propval_by_name(nodeh, PICL_PROP_CLASSNAME,
            piclclass, sizeof (piclclass));
        if (err !=  PICL_SUCCESS)
            return (err);

        if (strcmp(piclclass, PICL_CLASS_PCIEX) == 0) {
            err = picl_get_propval_by_name(nodeh, PICL_PROP_PEER,
                &nodeh, sizeof (picl_nodehdl_t));
            continue;
        }

        if (strcmp(piclclass, PICL_CLASS_PCI) == 0) {
            err = picl_get_propval_by_name(nodeh, PICL_PROP_CHILD,
                &nodeh, sizeof (picl_nodehdl_t));
            continue;
        }

        err = picl_get_propval_by_name(nodeh, PICL_PROP_DEVFS_PATH,
            path, sizeof (path));
        if (err != PICL_SUCCESS)
            return (err);

        (void) strlcpy(pci_card.notes, path, sizeof (pci_card.notes));

        get_bus_type(path, &pci_card);

        get_slot_number(path, &pci_card);

        err = picl_get_propval_by_name(nodeh, PICL_PROP_NAME, &name,
            sizeof (name));
        if (err == PICL_PROPNOTFOUND)
            (void) strlcpy(name, "", sizeof (name));
        else if (err != PICL_SUCCESS)
            return (err);

        /* Figure NAC name */
        if ((strcmp(name, NETWORK) == 0) &&
            (strcmp(pci_card.slot_str, MOTHERBOARD) == 0)) {
            instance = stpaul_get_network_instance(path);
            (void) snprintf(pci_card.status,
                sizeof (pci_card.status), "%s/%s%d",
                MOTHERBOARD, "NET", instance);


        } else if ((strcmp(name, SCSI) == 0) &&
            (strcmp(pci_card.slot_str, MOTHERBOARD) == 0)) {
            (void) snprintf(pci_card.status,
                sizeof (pci_card.status), "%s/%s",
                MOTHERBOARD, SPL_SCSI_TAG);

        } else {
            if (pci_card.slot != -1) {
                (void) snprintf(pci_card.status,
                    sizeof (pci_card.status), "%s/%s%d",
                    MOTHERBOARD, pci_card.bus_type,
                    pci_card.slot);
            } else {
                (void) snprintf(pci_card.status,
                    sizeof (pci_card.status), "%s/%s",
                    MOTHERBOARD, pci_card.bus_type);
            }
        }

        /* Special case for USB */
        if (strncmp(name, USB, strlen(USB)) == 0) {
            instance = stpaul_get_usb_instance(path);
            if (instance != -1)
                (void) snprintf(pci_card.status,
                    sizeof (pci_card.status), "%s/%s%d",
                    MOTHERBOARD, "USB", instance);
        }

        /* PEM/NEM case is handled here */
        if ((instance = stpaul_get_io_instance(path, &pn_type)) != -1) {
            if (pn_type == SPL_PEM_TYPE)
                (void) snprintf(pci_card.status,
                    sizeof (pci_card.status), "%s/%s%d",
                    MOTHERBOARD, "PCI-EM", instance);
            else if (pn_type == SPL_NEM_TYPE)
                (void) snprintf(pci_card.status,
                    sizeof (pci_card.status), "%s/%s%d",
                    MOTHERBOARD, "NEM", instance);
        }
        /*
         * Get the name of this card. 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_PROPNOTFOUND) {
            /*
             * if compatible prop is found, name will be
             * <nodename>-<compatible>
             */
            err = stpaul_get_first_compatible_value(nodeh,
                &compatible);
            if (err == PICL_SUCCESS) {
                (void) strlcat(name, "-", MAXSTRLEN);
                (void) strlcat(name, compatible, MAXSTRLEN);
                free(compatible);
            } else if (err != PICL_PROPNOTFOUND)
                return (err);
        } else if (err != PICL_SUCCESS)
            return (err);
        else if (strcmp(name, binding_name) != 0) {
            (void) strlcat(name, "-", MAXSTRLEN);
            (void) strlcat(name, binding_name, MAXSTRLEN);
        }

        (void) strlcpy(pci_card.name, name, sizeof (pci_card.name));

        /* Get the model of this card */

        err = picl_get_propval_by_name(nodeh, OBP_PROP_MODEL,
            &model, sizeof (model));
        if (err == PICL_PROPNOTFOUND)
            (void) strlcpy(model, "", sizeof (model));
        else if (err != PICL_SUCCESS)
            return (err);
        (void) strlcpy(pci_card.model, model, sizeof (pci_card.model));

        /* Print NAC name */
        log_printf("%-11s", pci_card.status);
        /* Print IO Type */
        log_printf("%6s", pci_card.bus_type);
        /* Print Slot # */
        log_printf("%5s", pci_card.slot_str);
        /* Print Parent Path */
        log_printf("%46.45s", pci_card.notes);
        /* Printf Card Name */
        if (strlen(pci_card.name) > 24)
            log_printf("%25.24s+", pci_card.name);
        else
            log_printf("%26s", pci_card.name);
        /* Print Card Model */
        if (strlen(pci_card.model) > 10)
            log_printf("%10.9s+", pci_card.model);
        else
            log_printf("%10s", pci_card.model);
        log_printf("\n");

        err = picl_get_propval_by_name(nodeh, PICL_PROP_PEER, &nodeh,
            sizeof (picl_nodehdl_t));

    }

    return (PICL_WALK_CONTINUE);
}

/* ARGSUSED */
int
stpaul_hw_rev_callback(picl_nodehdl_t pcih, void *args)
{
    int     err = PICL_SUCCESS;
    char        path[MAXSTRLEN];
    char        device_path[MAXSTRLEN];
    char        NAC[MAXSTRLEN];
    char        *compatible;
    int32_t     revision;
    int     device_found = 0;
    char        name[MAXSTRLEN];
    picl_nodehdl_t  nodeh;

    err = picl_get_propval_by_name(pcih, PICL_PROP_DEVFS_PATH, path,
        sizeof (path));
    if (err != PICL_SUCCESS)
        return (err);

    /* usb is special as a child of PCIE2PCI bridge */
    if (strcmp(path, SPL_PCIE2PCI) == 0) {
        err = picl_get_propval_by_name(pcih, PICL_PROP_CHILD, &nodeh,
            sizeof (picl_nodehdl_t));
        if (err != PICL_SUCCESS)
            return (err);
        err = picl_get_propval_by_name(nodeh, PICL_PROP_NAME, &name,
            sizeof (name));
        if (err != PICL_SUCCESS)
            return (err);
        if (strcmp(name, USB) == 0) {
            err = stpaul_hw_rev_callback(nodeh, &nodeh);
            if (err != PICL_SUCCESS)
                return (err);
        }
    }

    if ((strcmp(path, SPL_NETWORK_0_PATH) == 0) ||
        (strcmp(path, SPL_NETWORK_1_PATH) == 0)) {
        device_found = 1;
        (void) snprintf(NAC, sizeof (NAC), "%s/%s%d", MOTHERBOARD,
            OPHIR, 0);
        revision = stpaul_get_int_propval(pcih, OBP_PROP_REVISION_ID,
            &err);
    }

    if ((strcmp(path, SPL_USB0_PATH) == 0) ||
        (strcmp(path, SPL_USB1_PATH) == 0) ||
        (strcmp(path, SPL_USB2_PATH) == 0)) {
        device_found = 1;
        (void) snprintf(NAC, sizeof (NAC), "%s/%s%d", MOTHERBOARD,
            USB_TAG, 0);
        revision = stpaul_get_int_propval(pcih, OBP_PROP_REVISION_ID,
            &err);
    }

    if ((strcmp(path, FIRE_PATH0) == 0) ||
        (strcmp(path, FIRE_PATH1) == 0)) {
        device_found = 1;
        (void) snprintf(NAC, sizeof (NAC), "%s/%s", MOTHERBOARD,
            "IO-BRIDGE");
        revision = stpaul_get_int_propval(pcih, OBP_PROP_VERSION_NUM,
            &err);
    }

    if (strcmp(path, SWITCH_A_PATH) == 0) {
        device_found = 1;
        (void) snprintf(NAC, sizeof (NAC), "%s/%s", MOTHERBOARD,
            SWITCH_A);
        revision = stpaul_get_int_propval(pcih, OBP_PROP_REVISION_ID,
            &err);
    }

    if (strcmp(path, SWITCH_B_PATH) == 0) {
        device_found = 1;
        (void) snprintf(NAC, sizeof (NAC), "%s/%s", MOTHERBOARD,
            SWITCH_B);
        revision = stpaul_get_int_propval(pcih, OBP_PROP_REVISION_ID,
            &err);
    }

    if (strcmp(path, SPL_LSI_PATH) == 0) {
        device_found = 1;
        (void) snprintf(NAC, sizeof (NAC), "%s/%s", MOTHERBOARD,
            SPL_SAS_HBA);
        revision = stpaul_get_int_propval(pcih, OBP_PROP_REVISION_ID,
            &err);
    }

    if (strcmp(path, SPL_PCIE2PCI) == 0) {
        device_found = 1;
        (void) snprintf(NAC, sizeof (NAC), "%s/%s", MOTHERBOARD,
            PCI_BRIDGE);
        revision = stpaul_get_int_propval(pcih, OBP_PROP_REVISION_ID,
            &err);
    }

    if (device_found == 1) {

        (void) strlcpy(device_path, path, sizeof (device_path));
        err = stpaul_get_first_compatible_value(pcih, &compatible);

        /* Print NAC name */
        log_printf("%-20s", NAC);
        /* Print Device Path */
        if (strlen(device_path) > 38)
            log_printf("%38.37s+", device_path);
        else
            log_printf("%39s", device_path);
        /* Print Compatible # */
        if (err == PICL_SUCCESS) {
            log_printf("%31s", compatible);
            free(compatible);
        } else
            log_printf("%31s", " ");
        /* Print Revision */
        log_printf("%6d", revision);
        log_printf("\n");
    }

    return (PICL_WALK_CONTINUE);
}

static void
get_bus_type(char *path, struct io_card *card)
{
    if (strncmp(path, SPL_PCIE_PEM0, strlen(SPL_PCIE_PEM0)) == 0) {
        (void) strlcpy(card->bus_type, "PCIE", sizeof (card->bus_type));
    } else if (strncmp(path, SPL_PCIE_PEM1, strlen(SPL_PCIE_PEM1)) == 0) {
        (void) strlcpy(card->bus_type, "PCIE", sizeof (card->bus_type));
    } else if (strncmp(path, SPL_PCIE_NEM0, strlen(SPL_PCIE_NEM0)) == 0) {
        (void) strlcpy(card->bus_type, "PCIE", sizeof (card->bus_type));
    } else if (strncmp(path, SPL_PCIE_NEM1, strlen(SPL_PCIE_NEM1)) == 0) {
        (void) strlcpy(card->bus_type, "PCIE", sizeof (card->bus_type));
    } else if (strncmp(path, SWITCH_A_PATH, strlen(SWITCH_A_PATH)) == 0) {
        (void) strlcpy(card->bus_type, "PCIE", sizeof (card->bus_type));
    } else if (strncmp(path, SWITCH_B_PATH, strlen(SWITCH_B_PATH)) == 0) {
        (void) strlcpy(card->bus_type, "PCIE", sizeof (card->bus_type));
    } else {
        (void) strlcpy(card->bus_type, "NONE", sizeof (card->bus_type));
    }
}

static void
get_slot_number(char *path, struct io_card *card)
{
    if (strncmp(path, SPL_PCIE_PEM0, strlen(SPL_PCIE_PEM0)) == 0) {
        (void) strlcpy(card->slot_str, "0", sizeof (card->slot_str));
        card->slot = 0;
    } else if (strncmp(path, SPL_PCIE_NEM0, strlen(SPL_PCIE_NEM0)) == 0) {
        (void) strlcpy(card->slot_str, "0", sizeof (card->slot_str));
        card->slot = 0;
    } else if (strncmp(path, SPL_PCIE_PEM1, strlen(SPL_PCIE_PEM1)) == 0) {
        (void) strlcpy(card->slot_str, "1", sizeof (card->slot_str));
        card->slot = 1;
    } else if (strncmp(path, SPL_PCIE_NEM1, strlen(SPL_PCIE_NEM1)) == 0) {
        (void) strlcpy(card->slot_str, "1", sizeof (card->slot_str));
        card->slot = 1;
    } else {
        (void) strlcpy(card->slot_str, MOTHERBOARD,
            sizeof (card->slot_str));
        card->slot = -1;
    }
}

static int
stpaul_get_network_instance(char *path)
{
    if (strncmp(path, SPL_NETWORK_1_PATH,
        strlen(SPL_NETWORK_1_PATH)) == 0)
        return (1);
    else if (strncmp(path, SPL_NETWORK_0_PATH,
        strlen(SPL_NETWORK_0_PATH)) == 0)
        return (0);
    else
        return (-1);
}

static int
stpaul_get_usb_instance(char *path)
{
    if (strncmp(path, SPL_USB2_PATH, strlen(SPL_USB2_PATH)) == 0)
        return (2);
    else if (strncmp(path, SPL_USB1_PATH, strlen(SPL_USB1_PATH)) == 0)
        return (1);
    else if (strncmp(path, SPL_USB0_PATH, strlen(path)) == 0)
        return (0);
    else
        return (-1);
}

static int
stpaul_get_io_instance(char *path, char *type)
{
    if (strncmp(path, SPL_PCIE_PEM1, strlen(SPL_PCIE_PEM1)) == 0) {
        *type = SPL_PEM_TYPE;
        return (1);
    } else if (strncmp(path, SPL_PCIE_PEM0, strlen(SPL_PCIE_PEM0)) == 0) {
        *type = SPL_PEM_TYPE;
        return (0);
    } else if (strncmp(path, SPL_PCIE_NEM1, strlen(SPL_PCIE_NEM1)) == 0) {
        *type = SPL_NEM_TYPE;
        return (1);
    } else if (strncmp(path, SPL_PCIE_NEM0, strlen(SPL_PCIE_NEM0)) == 0) {
        *type = SPL_NEM_TYPE;
        return (0);
    } else
        return (-1);
}
/*
 * return the first compatible value
 */
static int
stpaul_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);
}

static int64_t
stpaul_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);
    }
}