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path: root/src/hardware/LMI_PCIDeviceProvider.c
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/*
 * Copyright (C) 2013 Red Hat, Inc.  All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Authors: Tomas Smetana <tsmetana@redhat.com>
 *
 */
#include <konkret/konkret.h>
#include <pci/pci.h>

#include "globals.h"
#include "LMI_PCIDevice.h"

static const CMPIBroker* _cb = NULL;

static void get_subid(struct pci_dev *d, u16 *subvp, u16 *subdp)
{
    u8 htype = pci_read_byte(d, PCI_HEADER_TYPE) & 0x7f;

    if (htype == PCI_HEADER_TYPE_NORMAL) {
        *subvp = pci_read_word(d, PCI_SUBSYSTEM_VENDOR_ID);
        *subdp = pci_read_word(d, PCI_SUBSYSTEM_ID);
    } else if (htype == PCI_HEADER_TYPE_CARDBUS) {
        *subvp = pci_read_word(d, PCI_CB_SUBSYSTEM_VENDOR_ID);
        *subdp = pci_read_word(d, PCI_CB_SUBSYSTEM_ID);
    } else
        *subvp = *subdp = 0xffff;
}

static void LMI_PCIDeviceInitialize()
{
}

static CMPIStatus LMI_PCIDeviceCleanup(
    CMPIInstanceMI* mi,
    const CMPIContext* cc,
    CMPIBoolean term)
{
    CMReturn(CMPI_RC_OK);
}

static CMPIStatus LMI_PCIDeviceEnumInstanceNames(
    CMPIInstanceMI* mi,
    const CMPIContext* cc,
    const CMPIResult* cr,
    const CMPIObjectPath* cop)
{
    return KDefaultEnumerateInstanceNames(_cb, mi, cc, cr, cop);
}

#define NAME_BUF_SIZE 128
#define PCI_DEVID_STR_SIZE 9
static CMPIStatus LMI_PCIDeviceEnumInstances(
        CMPIInstanceMI* mi,
        const CMPIContext* cc,
        const CMPIResult* cr,
        const CMPIObjectPath* cop,
        const char** properties)
{
    struct pci_access *acc;
    struct pci_dev *dev;
    struct pci_cap *cap;
    int i;
    u16 subid, svid;
    char vendor_buf[NAME_BUF_SIZE], *vendor_name;
    char device_buf[NAME_BUF_SIZE], *device_name;
    char subsys_buf[NAME_BUF_SIZE], *subsys_name;
    char svendor_buf[NAME_BUF_SIZE], *svendor_name;
    char device_id_str[PCI_DEVID_STR_SIZE];
    LMI_PCIDevice lmi_dev;
    const char *ns = KNameSpace(cop);

    if (!(acc = pci_alloc()))
        KReturn2(_cb, ERR_FAILED, "Error accessing the PCI bus");
    pci_init(acc);
    pci_scan_bus(acc);

    for (dev = acc->devices; dev; dev = dev->next) {
        pci_fill_info(dev,
                PCI_FILL_IDENT
                | PCI_FILL_IRQ
                | PCI_FILL_BASES
                | PCI_FILL_ROM_BASE
                | PCI_FILL_CLASS
                | PCI_FILL_CAPS);

        vendor_name = pci_lookup_name(acc, vendor_buf, NAME_BUF_SIZE,
                PCI_LOOKUP_VENDOR, dev->vendor_id);
        device_name = pci_lookup_name(acc, device_buf, NAME_BUF_SIZE,
                PCI_LOOKUP_DEVICE, dev->vendor_id, dev->device_id);
        get_subid(dev, &svid, &subid);
        subsys_name = pci_lookup_name(acc, subsys_buf, NAME_BUF_SIZE,
                PCI_LOOKUP_DEVICE | PCI_LOOKUP_SUBSYSTEM,
                dev->vendor_id, dev->device_id, svid, subid);
        svendor_name = pci_lookup_name(acc, svendor_buf, NAME_BUF_SIZE,
                PCI_LOOKUP_VENDOR | PCI_LOOKUP_SUBSYSTEM, svid);

        LMI_PCIDevice_Init(&lmi_dev, _cb, ns);
        LMI_PCIDevice_Set_CreationClassName(&lmi_dev, "LMI_PCIDevice");
        LMI_PCIDevice_Set_SystemCreationClassName(&lmi_dev,
                get_system_creation_class_name());
        LMI_PCIDevice_Set_SystemName(&lmi_dev, get_system_name());
        snprintf((char *)&device_id_str, PCI_DEVID_STR_SIZE, "%d:%d.%d",
                dev->bus, dev->dev, dev->func);
        LMI_PCIDevice_Set_DeviceID(&lmi_dev, device_id_str);
        LMI_PCIDevice_Set_BusNumber(&lmi_dev, dev->bus);
        LMI_PCIDevice_Set_DeviceNumber(&lmi_dev, dev->dev);
        LMI_PCIDevice_Set_FunctionNumber(&lmi_dev, dev->func);
        LMI_PCIDevice_Set_VendorID(&lmi_dev, dev->vendor_id);
        LMI_PCIDevice_Set_PCIDeviceID(&lmi_dev, dev->device_id);
        LMI_PCIDevice_Set_PCIDeviceName(&lmi_dev, device_name);
        LMI_PCIDevice_Set_SubsystemID(&lmi_dev, subid);
        LMI_PCIDevice_Set_SubsystemVendorID(&lmi_dev, svid);
        /* Throw away the lower 8 bits denoting the subclass */
        LMI_PCIDevice_Set_ClassCode(&lmi_dev, ((dev->device_class) >> 8));
        if (dev->rom_base_addr)
            LMI_PCIDevice_Set_ExpansionROMBaseAddress(&lmi_dev,
                    dev->rom_base_addr);
        if (vendor_name)
            LMI_PCIDevice_Set_VendorName(&lmi_dev, vendor_name);
        if (subsys_name)
            LMI_PCIDevice_Set_SubsystemName(&lmi_dev, subsys_name);
        if (svendor_name)
            LMI_PCIDevice_Set_SubsystemVendorName(&lmi_dev, svendor_name);
        for (i = 0; i < 6; i++)
            if (dev->base_addr[i]) {
#ifdef PCI_HAVE_64BIT_ADDRESS
                LMI_PCIDevice_Set_BaseAddress64(&lmi_dev, i, dev->base_addr[i]);
#else
                LMI_PCIDevice_Set_BaseAddress(&lmi_dev, i, dev->base_addr[i]);
#endif
            }
        for (cap = dev->first_cap, i = 0; cap; cap = cap->next, i++) {
            LMI_PCIDevice_Set_Capabilities(&lmi_dev, i, cap->type);
        }
        KReturnInstance(cr, lmi_dev);
    }

    pci_cleanup(acc);

    CMReturn(CMPI_RC_OK);
}

static CMPIStatus LMI_PCIDeviceGetInstance(
    CMPIInstanceMI* mi,
    const CMPIContext* cc,
    const CMPIResult* cr,
    const CMPIObjectPath* cop,
    const char** properties)
{
    return KDefaultGetInstance(
        _cb, mi, cc, cr, cop, properties);
}

static CMPIStatus LMI_PCIDeviceCreateInstance(
    CMPIInstanceMI* mi,
    const CMPIContext* cc,
    const CMPIResult* cr,
    const CMPIObjectPath* cop,
    const CMPIInstance* ci)
{
    CMReturn(CMPI_RC_ERR_NOT_SUPPORTED);
}

static CMPIStatus LMI_PCIDeviceModifyInstance(
    CMPIInstanceMI* mi,
    const CMPIContext* cc,
    const CMPIResult* cr,
    const CMPIObjectPath* cop,
    const CMPIInstance* ci,
    const char** properties)
{
    CMReturn(CMPI_RC_ERR_NOT_SUPPORTED);
}

static CMPIStatus LMI_PCIDeviceDeleteInstance(
    CMPIInstanceMI* mi,
    const CMPIContext* cc,
    const CMPIResult* cr,
    const CMPIObjectPath* cop)
{
    CMReturn(CMPI_RC_ERR_NOT_SUPPORTED);
}

static CMPIStatus LMI_PCIDeviceExecQuery(
    CMPIInstanceMI* mi,
    const CMPIContext* cc,
    const CMPIResult* cr,
    const CMPIObjectPath* cop,
    const char* lang,
    const char* query)
{
    CMReturn(CMPI_RC_ERR_NOT_SUPPORTED);
}

CMInstanceMIStub(
    LMI_PCIDevice,
    LMI_PCIDevice,
    _cb,
    LMI_PCIDeviceInitialize())

static CMPIStatus LMI_PCIDeviceMethodCleanup(
    CMPIMethodMI* mi,
    const CMPIContext* cc,
    CMPIBoolean term)
{
    CMReturn(CMPI_RC_OK);
}

static CMPIStatus LMI_PCIDeviceInvokeMethod(
    CMPIMethodMI* mi,
    const CMPIContext* cc,
    const CMPIResult* cr,
    const CMPIObjectPath* cop,
    const char* meth,
    const CMPIArgs* in,
    CMPIArgs* out)
{
    return LMI_PCIDevice_DispatchMethod(
        _cb, mi, cc, cr, cop, meth, in, out);
}

CMMethodMIStub(
    LMI_PCIDevice,
    LMI_PCIDevice,
    _cb,
    LMI_PCIDeviceInitialize())

KUint32 LMI_PCIDevice_RequestStateChange(
    const CMPIBroker* cb,
    CMPIMethodMI* mi,
    const CMPIContext* context,
    const LMI_PCIDeviceRef* self,
    const KUint16* RequestedState,
    KRef* Job,
    const KDateTime* TimeoutPeriod,
    CMPIStatus* status)
{
    KUint32 result = KUINT32_INIT;

    KSetStatus(status, ERR_NOT_SUPPORTED);
    return result;
}

KUint32 LMI_PCIDevice_SetPowerState(
    const CMPIBroker* cb,
    CMPIMethodMI* mi,
    const CMPIContext* context,
    const LMI_PCIDeviceRef* self,
    const KUint16* PowerState,
    const KDateTime* Time,
    CMPIStatus* status)
{
    KUint32 result = KUINT32_INIT;

    KSetStatus(status, ERR_NOT_SUPPORTED);
    return result;
}

KUint32 LMI_PCIDevice_Reset(
    const CMPIBroker* cb,
    CMPIMethodMI* mi,
    const CMPIContext* context,
    const LMI_PCIDeviceRef* self,
    CMPIStatus* status)
{
    KUint32 result = KUINT32_INIT;

    KSetStatus(status, ERR_NOT_SUPPORTED);
    return result;
}

KUint32 LMI_PCIDevice_EnableDevice(
    const CMPIBroker* cb,
    CMPIMethodMI* mi,
    const CMPIContext* context,
    const LMI_PCIDeviceRef* self,
    const KBoolean* Enabled,
    CMPIStatus* status)
{
    KUint32 result = KUINT32_INIT;

    KSetStatus(status, ERR_NOT_SUPPORTED);
    return result;
}

KUint32 LMI_PCIDevice_OnlineDevice(
    const CMPIBroker* cb,
    CMPIMethodMI* mi,
    const CMPIContext* context,
    const LMI_PCIDeviceRef* self,
    const KBoolean* Online,
    CMPIStatus* status)
{
    KUint32 result = KUINT32_INIT;

    KSetStatus(status, ERR_NOT_SUPPORTED);
    return result;
}

KUint32 LMI_PCIDevice_QuiesceDevice(
    const CMPIBroker* cb,
    CMPIMethodMI* mi,
    const CMPIContext* context,
    const LMI_PCIDeviceRef* self,
    const KBoolean* Quiesce,
    CMPIStatus* status)
{
    KUint32 result = KUINT32_INIT;

    KSetStatus(status, ERR_NOT_SUPPORTED);
    return result;
}

KUint32 LMI_PCIDevice_SaveProperties(
    const CMPIBroker* cb,
    CMPIMethodMI* mi,
    const CMPIContext* context,
    const LMI_PCIDeviceRef* self,
    CMPIStatus* status)
{
    KUint32 result = KUINT32_INIT;

    KSetStatus(status, ERR_NOT_SUPPORTED);
    return result;
}

KUint32 LMI_PCIDevice_RestoreProperties(
    const CMPIBroker* cb,
    CMPIMethodMI* mi,
    const CMPIContext* context,
    const LMI_PCIDeviceRef* self,
    CMPIStatus* status)
{
    KUint32 result = KUINT32_INIT;

    KSetStatus(status, ERR_NOT_SUPPORTED);
    return result;
}

KUint8 LMI_PCIDevice_BISTExecution(
    const CMPIBroker* cb,
    CMPIMethodMI* mi,
    const CMPIContext* context,
    const LMI_PCIDeviceRef* self,
    CMPIStatus* status)
{
    KUint8 result = KUINT8_INIT;

    KSetStatus(status, ERR_NOT_SUPPORTED);
    return result;
}

KONKRET_REGISTRATION(
    "root/cimv2",
    "LMI_PCIDevice",
    "LMI_PCIDevice",
    "instance method")