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/*
* Copyright 2014 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <linux/amd-iommu.h>
#include <linux/bsearch.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include "kfd_priv.h"
static const struct kfd_device_info kaveri_device_info = {
.max_pasid_bits = 16,
};
struct kfd_deviceid {
unsigned short did;
const struct kfd_device_info *device_info;
};
/* Please keep this sorted by increasing device id. */
static const struct kfd_deviceid supported_devices[] = {
{ 0x1304, &kaveri_device_info }, /* Kaveri */
{ 0x1305, &kaveri_device_info }, /* Kaveri */
{ 0x1306, &kaveri_device_info }, /* Kaveri */
{ 0x1307, &kaveri_device_info }, /* Kaveri */
{ 0x1309, &kaveri_device_info }, /* Kaveri */
{ 0x130A, &kaveri_device_info }, /* Kaveri */
{ 0x130B, &kaveri_device_info }, /* Kaveri */
{ 0x130C, &kaveri_device_info }, /* Kaveri */
{ 0x130D, &kaveri_device_info }, /* Kaveri */
{ 0x130E, &kaveri_device_info }, /* Kaveri */
{ 0x130F, &kaveri_device_info }, /* Kaveri */
{ 0x1310, &kaveri_device_info }, /* Kaveri */
{ 0x1311, &kaveri_device_info }, /* Kaveri */
{ 0x1312, &kaveri_device_info }, /* Kaveri */
{ 0x1313, &kaveri_device_info }, /* Kaveri */
{ 0x1315, &kaveri_device_info }, /* Kaveri */
{ 0x1316, &kaveri_device_info }, /* Kaveri */
{ 0x1317, &kaveri_device_info }, /* Kaveri */
{ 0x1318, &kaveri_device_info }, /* Kaveri */
{ 0x131B, &kaveri_device_info }, /* Kaveri */
{ 0x131C, &kaveri_device_info }, /* Kaveri */
{ 0x131D, &kaveri_device_info }, /* Kaveri */
};
static const struct kfd_device_info *lookup_device_info(unsigned short did)
{
size_t i;
for (i = 0; i < ARRAY_SIZE(supported_devices); i++) {
if (supported_devices[i].did == did) {
BUG_ON(supported_devices[i].device_info == NULL);
return supported_devices[i].device_info;
}
}
return NULL;
}
struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev)
{
struct kfd_dev *kfd;
const struct kfd_device_info *device_info =
lookup_device_info(pdev->device);
if (!device_info)
return NULL;
kfd = kzalloc(sizeof(*kfd), GFP_KERNEL);
if (!kfd)
return NULL;
kfd->kgd = kgd;
kfd->device_info = device_info;
kfd->pdev = pdev;
return kfd;
}
bool kgd2kfd_device_init(struct kfd_dev *kfd,
const struct kgd2kfd_shared_resources *gpu_resources)
{
kfd->shared_resources = *gpu_resources;
kfd->init_complete = true;
dev_info(kfd_device, "added device (%x:%x)\n", kfd->pdev->vendor,
kfd->pdev->device);
return true;
}
void kgd2kfd_device_exit(struct kfd_dev *kfd)
{
kfree(kfd);
}
void kgd2kfd_suspend(struct kfd_dev *kfd)
{
BUG_ON(kfd == NULL);
}
int kgd2kfd_resume(struct kfd_dev *kfd)
{
BUG_ON(kfd == NULL);
return 0;
}
void kgd2kfd_interrupt(struct kfd_dev *dev, const void *ih_ring_entry)
{
}
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