mirror of https://gitee.com/openkylin/linux.git
131 lines
3.8 KiB
C
131 lines
3.8 KiB
C
/*
|
|
* 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)
|
|
{
|
|
}
|