871 lines
23 KiB
C
871 lines
23 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/module.h>
|
|
#include <linux/fdtable.h>
|
|
#include <linux/uaccess.h>
|
|
#include <drm/drmP.h>
|
|
#include "radeon.h"
|
|
#include "cikd.h"
|
|
#include "cik_reg.h"
|
|
#include "radeon_kfd.h"
|
|
#include "radeon_ucode.h"
|
|
#include <linux/firmware.h>
|
|
#include "cik_structs.h"
|
|
|
|
#define CIK_PIPE_PER_MEC (4)
|
|
|
|
static const uint32_t watchRegs[MAX_WATCH_ADDRESSES * ADDRESS_WATCH_REG_MAX] = {
|
|
TCP_WATCH0_ADDR_H, TCP_WATCH0_ADDR_L, TCP_WATCH0_CNTL,
|
|
TCP_WATCH1_ADDR_H, TCP_WATCH1_ADDR_L, TCP_WATCH1_CNTL,
|
|
TCP_WATCH2_ADDR_H, TCP_WATCH2_ADDR_L, TCP_WATCH2_CNTL,
|
|
TCP_WATCH3_ADDR_H, TCP_WATCH3_ADDR_L, TCP_WATCH3_CNTL
|
|
};
|
|
|
|
struct kgd_mem {
|
|
struct radeon_bo *bo;
|
|
uint64_t gpu_addr;
|
|
void *cpu_ptr;
|
|
};
|
|
|
|
|
|
static int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
|
|
void **mem_obj, uint64_t *gpu_addr,
|
|
void **cpu_ptr);
|
|
|
|
static void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj);
|
|
|
|
static uint64_t get_vmem_size(struct kgd_dev *kgd);
|
|
static uint64_t get_gpu_clock_counter(struct kgd_dev *kgd);
|
|
|
|
static uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd);
|
|
static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type);
|
|
|
|
/*
|
|
* Register access functions
|
|
*/
|
|
|
|
static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
|
|
uint32_t sh_mem_config, uint32_t sh_mem_ape1_base,
|
|
uint32_t sh_mem_ape1_limit, uint32_t sh_mem_bases);
|
|
|
|
static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
|
|
unsigned int vmid);
|
|
|
|
static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id,
|
|
uint32_t hpd_size, uint64_t hpd_gpu_addr);
|
|
static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id);
|
|
static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
|
|
uint32_t queue_id, uint32_t __user *wptr,
|
|
uint32_t wptr_shift, uint32_t wptr_mask,
|
|
struct mm_struct *mm);
|
|
static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd);
|
|
static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
|
|
uint32_t pipe_id, uint32_t queue_id);
|
|
|
|
static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd, uint32_t reset_type,
|
|
unsigned int timeout, uint32_t pipe_id,
|
|
uint32_t queue_id);
|
|
static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd);
|
|
static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
|
|
unsigned int timeout);
|
|
static int kgd_address_watch_disable(struct kgd_dev *kgd);
|
|
static int kgd_address_watch_execute(struct kgd_dev *kgd,
|
|
unsigned int watch_point_id,
|
|
uint32_t cntl_val,
|
|
uint32_t addr_hi,
|
|
uint32_t addr_lo);
|
|
static int kgd_wave_control_execute(struct kgd_dev *kgd,
|
|
uint32_t gfx_index_val,
|
|
uint32_t sq_cmd);
|
|
static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd,
|
|
unsigned int watch_point_id,
|
|
unsigned int reg_offset);
|
|
|
|
static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd, uint8_t vmid);
|
|
static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd,
|
|
uint8_t vmid);
|
|
static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid);
|
|
|
|
static const struct kfd2kgd_calls kfd2kgd = {
|
|
.init_gtt_mem_allocation = alloc_gtt_mem,
|
|
.free_gtt_mem = free_gtt_mem,
|
|
.get_vmem_size = get_vmem_size,
|
|
.get_gpu_clock_counter = get_gpu_clock_counter,
|
|
.get_max_engine_clock_in_mhz = get_max_engine_clock_in_mhz,
|
|
.program_sh_mem_settings = kgd_program_sh_mem_settings,
|
|
.set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping,
|
|
.init_pipeline = kgd_init_pipeline,
|
|
.init_interrupts = kgd_init_interrupts,
|
|
.hqd_load = kgd_hqd_load,
|
|
.hqd_sdma_load = kgd_hqd_sdma_load,
|
|
.hqd_is_occupied = kgd_hqd_is_occupied,
|
|
.hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied,
|
|
.hqd_destroy = kgd_hqd_destroy,
|
|
.hqd_sdma_destroy = kgd_hqd_sdma_destroy,
|
|
.address_watch_disable = kgd_address_watch_disable,
|
|
.address_watch_execute = kgd_address_watch_execute,
|
|
.wave_control_execute = kgd_wave_control_execute,
|
|
.address_watch_get_offset = kgd_address_watch_get_offset,
|
|
.get_atc_vmid_pasid_mapping_pasid = get_atc_vmid_pasid_mapping_pasid,
|
|
.get_atc_vmid_pasid_mapping_valid = get_atc_vmid_pasid_mapping_valid,
|
|
.write_vmid_invalidate_request = write_vmid_invalidate_request,
|
|
.get_fw_version = get_fw_version
|
|
};
|
|
|
|
static const struct kgd2kfd_calls *kgd2kfd;
|
|
|
|
int radeon_kfd_init(void)
|
|
{
|
|
int ret;
|
|
|
|
#if defined(CONFIG_HSA_AMD_MODULE)
|
|
int (*kgd2kfd_init_p)(unsigned, const struct kgd2kfd_calls**);
|
|
|
|
kgd2kfd_init_p = symbol_request(kgd2kfd_init);
|
|
|
|
if (kgd2kfd_init_p == NULL)
|
|
return -ENOENT;
|
|
|
|
ret = kgd2kfd_init_p(KFD_INTERFACE_VERSION, &kgd2kfd);
|
|
if (ret) {
|
|
symbol_put(kgd2kfd_init);
|
|
kgd2kfd = NULL;
|
|
}
|
|
|
|
#elif defined(CONFIG_HSA_AMD)
|
|
ret = kgd2kfd_init(KFD_INTERFACE_VERSION, &kgd2kfd);
|
|
if (ret)
|
|
kgd2kfd = NULL;
|
|
|
|
#else
|
|
ret = -ENOENT;
|
|
#endif
|
|
|
|
return ret;
|
|
}
|
|
|
|
void radeon_kfd_fini(void)
|
|
{
|
|
if (kgd2kfd) {
|
|
kgd2kfd->exit();
|
|
symbol_put(kgd2kfd_init);
|
|
}
|
|
}
|
|
|
|
void radeon_kfd_device_probe(struct radeon_device *rdev)
|
|
{
|
|
if (kgd2kfd)
|
|
rdev->kfd = kgd2kfd->probe((struct kgd_dev *)rdev,
|
|
rdev->pdev, &kfd2kgd);
|
|
}
|
|
|
|
void radeon_kfd_device_init(struct radeon_device *rdev)
|
|
{
|
|
int i, queue, pipe, mec;
|
|
|
|
if (rdev->kfd) {
|
|
struct kgd2kfd_shared_resources gpu_resources = {
|
|
.compute_vmid_bitmap = 0xFF00,
|
|
.num_pipe_per_mec = 4,
|
|
.num_queue_per_pipe = 8
|
|
};
|
|
|
|
bitmap_zero(gpu_resources.queue_bitmap, KGD_MAX_QUEUES);
|
|
|
|
for (i = 0; i < KGD_MAX_QUEUES; ++i) {
|
|
queue = i % gpu_resources.num_queue_per_pipe;
|
|
pipe = (i / gpu_resources.num_queue_per_pipe)
|
|
% gpu_resources.num_pipe_per_mec;
|
|
mec = (i / gpu_resources.num_queue_per_pipe)
|
|
/ gpu_resources.num_pipe_per_mec;
|
|
|
|
if (mec == 0 && pipe > 0)
|
|
set_bit(i, gpu_resources.queue_bitmap);
|
|
}
|
|
|
|
radeon_doorbell_get_kfd_info(rdev,
|
|
&gpu_resources.doorbell_physical_address,
|
|
&gpu_resources.doorbell_aperture_size,
|
|
&gpu_resources.doorbell_start_offset);
|
|
|
|
kgd2kfd->device_init(rdev->kfd, &gpu_resources);
|
|
}
|
|
}
|
|
|
|
void radeon_kfd_device_fini(struct radeon_device *rdev)
|
|
{
|
|
if (rdev->kfd) {
|
|
kgd2kfd->device_exit(rdev->kfd);
|
|
rdev->kfd = NULL;
|
|
}
|
|
}
|
|
|
|
void radeon_kfd_interrupt(struct radeon_device *rdev, const void *ih_ring_entry)
|
|
{
|
|
if (rdev->kfd)
|
|
kgd2kfd->interrupt(rdev->kfd, ih_ring_entry);
|
|
}
|
|
|
|
void radeon_kfd_suspend(struct radeon_device *rdev)
|
|
{
|
|
if (rdev->kfd)
|
|
kgd2kfd->suspend(rdev->kfd);
|
|
}
|
|
|
|
int radeon_kfd_resume(struct radeon_device *rdev)
|
|
{
|
|
int r = 0;
|
|
|
|
if (rdev->kfd)
|
|
r = kgd2kfd->resume(rdev->kfd);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
|
|
void **mem_obj, uint64_t *gpu_addr,
|
|
void **cpu_ptr)
|
|
{
|
|
struct radeon_device *rdev = (struct radeon_device *)kgd;
|
|
struct kgd_mem **mem = (struct kgd_mem **) mem_obj;
|
|
int r;
|
|
|
|
BUG_ON(kgd == NULL);
|
|
BUG_ON(gpu_addr == NULL);
|
|
BUG_ON(cpu_ptr == NULL);
|
|
|
|
*mem = kmalloc(sizeof(struct kgd_mem), GFP_KERNEL);
|
|
if ((*mem) == NULL)
|
|
return -ENOMEM;
|
|
|
|
r = radeon_bo_create(rdev, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_GTT,
|
|
RADEON_GEM_GTT_WC, NULL, NULL, &(*mem)->bo);
|
|
if (r) {
|
|
dev_err(rdev->dev,
|
|
"failed to allocate BO for amdkfd (%d)\n", r);
|
|
return r;
|
|
}
|
|
|
|
/* map the buffer */
|
|
r = radeon_bo_reserve((*mem)->bo, true);
|
|
if (r) {
|
|
dev_err(rdev->dev, "(%d) failed to reserve bo for amdkfd\n", r);
|
|
goto allocate_mem_reserve_bo_failed;
|
|
}
|
|
|
|
r = radeon_bo_pin((*mem)->bo, RADEON_GEM_DOMAIN_GTT,
|
|
&(*mem)->gpu_addr);
|
|
if (r) {
|
|
dev_err(rdev->dev, "(%d) failed to pin bo for amdkfd\n", r);
|
|
goto allocate_mem_pin_bo_failed;
|
|
}
|
|
*gpu_addr = (*mem)->gpu_addr;
|
|
|
|
r = radeon_bo_kmap((*mem)->bo, &(*mem)->cpu_ptr);
|
|
if (r) {
|
|
dev_err(rdev->dev,
|
|
"(%d) failed to map bo to kernel for amdkfd\n", r);
|
|
goto allocate_mem_kmap_bo_failed;
|
|
}
|
|
*cpu_ptr = (*mem)->cpu_ptr;
|
|
|
|
radeon_bo_unreserve((*mem)->bo);
|
|
|
|
return 0;
|
|
|
|
allocate_mem_kmap_bo_failed:
|
|
radeon_bo_unpin((*mem)->bo);
|
|
allocate_mem_pin_bo_failed:
|
|
radeon_bo_unreserve((*mem)->bo);
|
|
allocate_mem_reserve_bo_failed:
|
|
radeon_bo_unref(&(*mem)->bo);
|
|
|
|
return r;
|
|
}
|
|
|
|
static void free_gtt_mem(struct kgd_dev *kgd, void *mem_obj)
|
|
{
|
|
struct kgd_mem *mem = (struct kgd_mem *) mem_obj;
|
|
|
|
BUG_ON(mem == NULL);
|
|
|
|
radeon_bo_reserve(mem->bo, true);
|
|
radeon_bo_kunmap(mem->bo);
|
|
radeon_bo_unpin(mem->bo);
|
|
radeon_bo_unreserve(mem->bo);
|
|
radeon_bo_unref(&(mem->bo));
|
|
kfree(mem);
|
|
}
|
|
|
|
static uint64_t get_vmem_size(struct kgd_dev *kgd)
|
|
{
|
|
struct radeon_device *rdev = (struct radeon_device *)kgd;
|
|
|
|
BUG_ON(kgd == NULL);
|
|
|
|
return rdev->mc.real_vram_size;
|
|
}
|
|
|
|
static uint64_t get_gpu_clock_counter(struct kgd_dev *kgd)
|
|
{
|
|
struct radeon_device *rdev = (struct radeon_device *)kgd;
|
|
|
|
return rdev->asic->get_gpu_clock_counter(rdev);
|
|
}
|
|
|
|
static uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd)
|
|
{
|
|
struct radeon_device *rdev = (struct radeon_device *)kgd;
|
|
|
|
/* The sclk is in quantas of 10kHz */
|
|
return rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk / 100;
|
|
}
|
|
|
|
static inline struct radeon_device *get_radeon_device(struct kgd_dev *kgd)
|
|
{
|
|
return (struct radeon_device *)kgd;
|
|
}
|
|
|
|
static void write_register(struct kgd_dev *kgd, uint32_t offset, uint32_t value)
|
|
{
|
|
struct radeon_device *rdev = get_radeon_device(kgd);
|
|
|
|
writel(value, (void __iomem *)(rdev->rmmio + offset));
|
|
}
|
|
|
|
static uint32_t read_register(struct kgd_dev *kgd, uint32_t offset)
|
|
{
|
|
struct radeon_device *rdev = get_radeon_device(kgd);
|
|
|
|
return readl((void __iomem *)(rdev->rmmio + offset));
|
|
}
|
|
|
|
static void lock_srbm(struct kgd_dev *kgd, uint32_t mec, uint32_t pipe,
|
|
uint32_t queue, uint32_t vmid)
|
|
{
|
|
struct radeon_device *rdev = get_radeon_device(kgd);
|
|
uint32_t value = PIPEID(pipe) | MEID(mec) | VMID(vmid) | QUEUEID(queue);
|
|
|
|
mutex_lock(&rdev->srbm_mutex);
|
|
write_register(kgd, SRBM_GFX_CNTL, value);
|
|
}
|
|
|
|
static void unlock_srbm(struct kgd_dev *kgd)
|
|
{
|
|
struct radeon_device *rdev = get_radeon_device(kgd);
|
|
|
|
write_register(kgd, SRBM_GFX_CNTL, 0);
|
|
mutex_unlock(&rdev->srbm_mutex);
|
|
}
|
|
|
|
static void acquire_queue(struct kgd_dev *kgd, uint32_t pipe_id,
|
|
uint32_t queue_id)
|
|
{
|
|
uint32_t mec = (++pipe_id / CIK_PIPE_PER_MEC) + 1;
|
|
uint32_t pipe = (pipe_id % CIK_PIPE_PER_MEC);
|
|
|
|
lock_srbm(kgd, mec, pipe, queue_id, 0);
|
|
}
|
|
|
|
static void release_queue(struct kgd_dev *kgd)
|
|
{
|
|
unlock_srbm(kgd);
|
|
}
|
|
|
|
static void kgd_program_sh_mem_settings(struct kgd_dev *kgd, uint32_t vmid,
|
|
uint32_t sh_mem_config,
|
|
uint32_t sh_mem_ape1_base,
|
|
uint32_t sh_mem_ape1_limit,
|
|
uint32_t sh_mem_bases)
|
|
{
|
|
lock_srbm(kgd, 0, 0, 0, vmid);
|
|
|
|
write_register(kgd, SH_MEM_CONFIG, sh_mem_config);
|
|
write_register(kgd, SH_MEM_APE1_BASE, sh_mem_ape1_base);
|
|
write_register(kgd, SH_MEM_APE1_LIMIT, sh_mem_ape1_limit);
|
|
write_register(kgd, SH_MEM_BASES, sh_mem_bases);
|
|
|
|
unlock_srbm(kgd);
|
|
}
|
|
|
|
static int kgd_set_pasid_vmid_mapping(struct kgd_dev *kgd, unsigned int pasid,
|
|
unsigned int vmid)
|
|
{
|
|
/*
|
|
* We have to assume that there is no outstanding mapping.
|
|
* The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0
|
|
* because a mapping is in progress or because a mapping finished and
|
|
* the SW cleared it.
|
|
* So the protocol is to always wait & clear.
|
|
*/
|
|
uint32_t pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid |
|
|
ATC_VMID_PASID_MAPPING_VALID_MASK;
|
|
|
|
write_register(kgd, ATC_VMID0_PASID_MAPPING + vmid*sizeof(uint32_t),
|
|
pasid_mapping);
|
|
|
|
while (!(read_register(kgd, ATC_VMID_PASID_MAPPING_UPDATE_STATUS) &
|
|
(1U << vmid)))
|
|
cpu_relax();
|
|
write_register(kgd, ATC_VMID_PASID_MAPPING_UPDATE_STATUS, 1U << vmid);
|
|
|
|
/* Mapping vmid to pasid also for IH block */
|
|
write_register(kgd, IH_VMID_0_LUT + vmid * sizeof(uint32_t),
|
|
pasid_mapping);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id,
|
|
uint32_t hpd_size, uint64_t hpd_gpu_addr)
|
|
{
|
|
/* nothing to do here */
|
|
return 0;
|
|
}
|
|
|
|
static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id)
|
|
{
|
|
uint32_t mec;
|
|
uint32_t pipe;
|
|
|
|
mec = (pipe_id / CIK_PIPE_PER_MEC) + 1;
|
|
pipe = (pipe_id % CIK_PIPE_PER_MEC);
|
|
|
|
lock_srbm(kgd, mec, pipe, 0, 0);
|
|
|
|
write_register(kgd, CPC_INT_CNTL,
|
|
TIME_STAMP_INT_ENABLE | OPCODE_ERROR_INT_ENABLE);
|
|
|
|
unlock_srbm(kgd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline uint32_t get_sdma_base_addr(struct cik_sdma_rlc_registers *m)
|
|
{
|
|
uint32_t retval;
|
|
|
|
retval = m->sdma_engine_id * SDMA1_REGISTER_OFFSET +
|
|
m->sdma_queue_id * KFD_CIK_SDMA_QUEUE_OFFSET;
|
|
|
|
pr_debug("kfd: sdma base address: 0x%x\n", retval);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static inline struct cik_mqd *get_mqd(void *mqd)
|
|
{
|
|
return (struct cik_mqd *)mqd;
|
|
}
|
|
|
|
static inline struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd)
|
|
{
|
|
return (struct cik_sdma_rlc_registers *)mqd;
|
|
}
|
|
|
|
static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
|
|
uint32_t queue_id, uint32_t __user *wptr,
|
|
uint32_t wptr_shift, uint32_t wptr_mask,
|
|
struct mm_struct *mm)
|
|
{
|
|
uint32_t wptr_shadow, is_wptr_shadow_valid;
|
|
struct cik_mqd *m;
|
|
|
|
m = get_mqd(mqd);
|
|
|
|
is_wptr_shadow_valid = !get_user(wptr_shadow, wptr);
|
|
|
|
acquire_queue(kgd, pipe_id, queue_id);
|
|
write_register(kgd, CP_MQD_BASE_ADDR, m->cp_mqd_base_addr_lo);
|
|
write_register(kgd, CP_MQD_BASE_ADDR_HI, m->cp_mqd_base_addr_hi);
|
|
write_register(kgd, CP_MQD_CONTROL, m->cp_mqd_control);
|
|
|
|
write_register(kgd, CP_HQD_PQ_BASE, m->cp_hqd_pq_base_lo);
|
|
write_register(kgd, CP_HQD_PQ_BASE_HI, m->cp_hqd_pq_base_hi);
|
|
write_register(kgd, CP_HQD_PQ_CONTROL, m->cp_hqd_pq_control);
|
|
|
|
write_register(kgd, CP_HQD_IB_CONTROL, m->cp_hqd_ib_control);
|
|
write_register(kgd, CP_HQD_IB_BASE_ADDR, m->cp_hqd_ib_base_addr_lo);
|
|
write_register(kgd, CP_HQD_IB_BASE_ADDR_HI, m->cp_hqd_ib_base_addr_hi);
|
|
|
|
write_register(kgd, CP_HQD_IB_RPTR, m->cp_hqd_ib_rptr);
|
|
|
|
write_register(kgd, CP_HQD_PERSISTENT_STATE,
|
|
m->cp_hqd_persistent_state);
|
|
write_register(kgd, CP_HQD_SEMA_CMD, m->cp_hqd_sema_cmd);
|
|
write_register(kgd, CP_HQD_MSG_TYPE, m->cp_hqd_msg_type);
|
|
|
|
write_register(kgd, CP_HQD_ATOMIC0_PREOP_LO,
|
|
m->cp_hqd_atomic0_preop_lo);
|
|
|
|
write_register(kgd, CP_HQD_ATOMIC0_PREOP_HI,
|
|
m->cp_hqd_atomic0_preop_hi);
|
|
|
|
write_register(kgd, CP_HQD_ATOMIC1_PREOP_LO,
|
|
m->cp_hqd_atomic1_preop_lo);
|
|
|
|
write_register(kgd, CP_HQD_ATOMIC1_PREOP_HI,
|
|
m->cp_hqd_atomic1_preop_hi);
|
|
|
|
write_register(kgd, CP_HQD_PQ_RPTR_REPORT_ADDR,
|
|
m->cp_hqd_pq_rptr_report_addr_lo);
|
|
|
|
write_register(kgd, CP_HQD_PQ_RPTR_REPORT_ADDR_HI,
|
|
m->cp_hqd_pq_rptr_report_addr_hi);
|
|
|
|
write_register(kgd, CP_HQD_PQ_RPTR, m->cp_hqd_pq_rptr);
|
|
|
|
write_register(kgd, CP_HQD_PQ_WPTR_POLL_ADDR,
|
|
m->cp_hqd_pq_wptr_poll_addr_lo);
|
|
|
|
write_register(kgd, CP_HQD_PQ_WPTR_POLL_ADDR_HI,
|
|
m->cp_hqd_pq_wptr_poll_addr_hi);
|
|
|
|
write_register(kgd, CP_HQD_PQ_DOORBELL_CONTROL,
|
|
m->cp_hqd_pq_doorbell_control);
|
|
|
|
write_register(kgd, CP_HQD_VMID, m->cp_hqd_vmid);
|
|
|
|
write_register(kgd, CP_HQD_QUANTUM, m->cp_hqd_quantum);
|
|
|
|
write_register(kgd, CP_HQD_PIPE_PRIORITY, m->cp_hqd_pipe_priority);
|
|
write_register(kgd, CP_HQD_QUEUE_PRIORITY, m->cp_hqd_queue_priority);
|
|
|
|
write_register(kgd, CP_HQD_IQ_RPTR, m->cp_hqd_iq_rptr);
|
|
|
|
if (is_wptr_shadow_valid)
|
|
write_register(kgd, CP_HQD_PQ_WPTR, wptr_shadow);
|
|
|
|
write_register(kgd, CP_HQD_ACTIVE, m->cp_hqd_active);
|
|
release_queue(kgd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd)
|
|
{
|
|
struct cik_sdma_rlc_registers *m;
|
|
uint32_t sdma_base_addr;
|
|
|
|
m = get_sdma_mqd(mqd);
|
|
sdma_base_addr = get_sdma_base_addr(m);
|
|
|
|
write_register(kgd,
|
|
sdma_base_addr + SDMA0_RLC0_VIRTUAL_ADDR,
|
|
m->sdma_rlc_virtual_addr);
|
|
|
|
write_register(kgd,
|
|
sdma_base_addr + SDMA0_RLC0_RB_BASE,
|
|
m->sdma_rlc_rb_base);
|
|
|
|
write_register(kgd,
|
|
sdma_base_addr + SDMA0_RLC0_RB_BASE_HI,
|
|
m->sdma_rlc_rb_base_hi);
|
|
|
|
write_register(kgd,
|
|
sdma_base_addr + SDMA0_RLC0_RB_RPTR_ADDR_LO,
|
|
m->sdma_rlc_rb_rptr_addr_lo);
|
|
|
|
write_register(kgd,
|
|
sdma_base_addr + SDMA0_RLC0_RB_RPTR_ADDR_HI,
|
|
m->sdma_rlc_rb_rptr_addr_hi);
|
|
|
|
write_register(kgd,
|
|
sdma_base_addr + SDMA0_RLC0_DOORBELL,
|
|
m->sdma_rlc_doorbell);
|
|
|
|
write_register(kgd,
|
|
sdma_base_addr + SDMA0_RLC0_RB_CNTL,
|
|
m->sdma_rlc_rb_cntl);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
|
|
uint32_t pipe_id, uint32_t queue_id)
|
|
{
|
|
uint32_t act;
|
|
bool retval = false;
|
|
uint32_t low, high;
|
|
|
|
acquire_queue(kgd, pipe_id, queue_id);
|
|
act = read_register(kgd, CP_HQD_ACTIVE);
|
|
if (act) {
|
|
low = lower_32_bits(queue_address >> 8);
|
|
high = upper_32_bits(queue_address >> 8);
|
|
|
|
if (low == read_register(kgd, CP_HQD_PQ_BASE) &&
|
|
high == read_register(kgd, CP_HQD_PQ_BASE_HI))
|
|
retval = true;
|
|
}
|
|
release_queue(kgd);
|
|
return retval;
|
|
}
|
|
|
|
static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd)
|
|
{
|
|
struct cik_sdma_rlc_registers *m;
|
|
uint32_t sdma_base_addr;
|
|
uint32_t sdma_rlc_rb_cntl;
|
|
|
|
m = get_sdma_mqd(mqd);
|
|
sdma_base_addr = get_sdma_base_addr(m);
|
|
|
|
sdma_rlc_rb_cntl = read_register(kgd,
|
|
sdma_base_addr + SDMA0_RLC0_RB_CNTL);
|
|
|
|
if (sdma_rlc_rb_cntl & SDMA_RB_ENABLE)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd, uint32_t reset_type,
|
|
unsigned int timeout, uint32_t pipe_id,
|
|
uint32_t queue_id)
|
|
{
|
|
uint32_t temp;
|
|
|
|
acquire_queue(kgd, pipe_id, queue_id);
|
|
write_register(kgd, CP_HQD_PQ_DOORBELL_CONTROL, 0);
|
|
|
|
write_register(kgd, CP_HQD_DEQUEUE_REQUEST, reset_type);
|
|
|
|
while (true) {
|
|
temp = read_register(kgd, CP_HQD_ACTIVE);
|
|
if (temp & 0x1)
|
|
break;
|
|
if (timeout == 0) {
|
|
pr_err("kfd: cp queue preemption time out (%dms)\n",
|
|
temp);
|
|
release_queue(kgd);
|
|
return -ETIME;
|
|
}
|
|
msleep(20);
|
|
timeout -= 20;
|
|
}
|
|
|
|
release_queue(kgd);
|
|
return 0;
|
|
}
|
|
|
|
static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
|
|
unsigned int timeout)
|
|
{
|
|
struct cik_sdma_rlc_registers *m;
|
|
uint32_t sdma_base_addr;
|
|
uint32_t temp;
|
|
|
|
m = get_sdma_mqd(mqd);
|
|
sdma_base_addr = get_sdma_base_addr(m);
|
|
|
|
temp = read_register(kgd, sdma_base_addr + SDMA0_RLC0_RB_CNTL);
|
|
temp = temp & ~SDMA_RB_ENABLE;
|
|
write_register(kgd, sdma_base_addr + SDMA0_RLC0_RB_CNTL, temp);
|
|
|
|
while (true) {
|
|
temp = read_register(kgd, sdma_base_addr +
|
|
SDMA0_RLC0_CONTEXT_STATUS);
|
|
if (temp & SDMA_RLC_IDLE)
|
|
break;
|
|
if (timeout == 0)
|
|
return -ETIME;
|
|
msleep(20);
|
|
timeout -= 20;
|
|
}
|
|
|
|
write_register(kgd, sdma_base_addr + SDMA0_RLC0_DOORBELL, 0);
|
|
write_register(kgd, sdma_base_addr + SDMA0_RLC0_RB_RPTR, 0);
|
|
write_register(kgd, sdma_base_addr + SDMA0_RLC0_RB_WPTR, 0);
|
|
write_register(kgd, sdma_base_addr + SDMA0_RLC0_RB_BASE, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int kgd_address_watch_disable(struct kgd_dev *kgd)
|
|
{
|
|
union TCP_WATCH_CNTL_BITS cntl;
|
|
unsigned int i;
|
|
|
|
cntl.u32All = 0;
|
|
|
|
cntl.bitfields.valid = 0;
|
|
cntl.bitfields.mask = ADDRESS_WATCH_REG_CNTL_DEFAULT_MASK;
|
|
cntl.bitfields.atc = 1;
|
|
|
|
/* Turning off this address until we set all the registers */
|
|
for (i = 0; i < MAX_WATCH_ADDRESSES; i++)
|
|
write_register(kgd,
|
|
watchRegs[i * ADDRESS_WATCH_REG_MAX +
|
|
ADDRESS_WATCH_REG_CNTL],
|
|
cntl.u32All);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int kgd_address_watch_execute(struct kgd_dev *kgd,
|
|
unsigned int watch_point_id,
|
|
uint32_t cntl_val,
|
|
uint32_t addr_hi,
|
|
uint32_t addr_lo)
|
|
{
|
|
union TCP_WATCH_CNTL_BITS cntl;
|
|
|
|
cntl.u32All = cntl_val;
|
|
|
|
/* Turning off this watch point until we set all the registers */
|
|
cntl.bitfields.valid = 0;
|
|
write_register(kgd,
|
|
watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX +
|
|
ADDRESS_WATCH_REG_CNTL],
|
|
cntl.u32All);
|
|
|
|
write_register(kgd,
|
|
watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX +
|
|
ADDRESS_WATCH_REG_ADDR_HI],
|
|
addr_hi);
|
|
|
|
write_register(kgd,
|
|
watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX +
|
|
ADDRESS_WATCH_REG_ADDR_LO],
|
|
addr_lo);
|
|
|
|
/* Enable the watch point */
|
|
cntl.bitfields.valid = 1;
|
|
|
|
write_register(kgd,
|
|
watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX +
|
|
ADDRESS_WATCH_REG_CNTL],
|
|
cntl.u32All);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int kgd_wave_control_execute(struct kgd_dev *kgd,
|
|
uint32_t gfx_index_val,
|
|
uint32_t sq_cmd)
|
|
{
|
|
struct radeon_device *rdev = get_radeon_device(kgd);
|
|
uint32_t data;
|
|
|
|
mutex_lock(&rdev->grbm_idx_mutex);
|
|
|
|
write_register(kgd, GRBM_GFX_INDEX, gfx_index_val);
|
|
write_register(kgd, SQ_CMD, sq_cmd);
|
|
|
|
/* Restore the GRBM_GFX_INDEX register */
|
|
|
|
data = INSTANCE_BROADCAST_WRITES | SH_BROADCAST_WRITES |
|
|
SE_BROADCAST_WRITES;
|
|
|
|
write_register(kgd, GRBM_GFX_INDEX, data);
|
|
|
|
mutex_unlock(&rdev->grbm_idx_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t kgd_address_watch_get_offset(struct kgd_dev *kgd,
|
|
unsigned int watch_point_id,
|
|
unsigned int reg_offset)
|
|
{
|
|
return watchRegs[watch_point_id * ADDRESS_WATCH_REG_MAX + reg_offset]
|
|
/ 4;
|
|
}
|
|
|
|
static bool get_atc_vmid_pasid_mapping_valid(struct kgd_dev *kgd, uint8_t vmid)
|
|
{
|
|
uint32_t reg;
|
|
struct radeon_device *rdev = (struct radeon_device *) kgd;
|
|
|
|
reg = RREG32(ATC_VMID0_PASID_MAPPING + vmid*4);
|
|
return reg & ATC_VMID_PASID_MAPPING_VALID_MASK;
|
|
}
|
|
|
|
static uint16_t get_atc_vmid_pasid_mapping_pasid(struct kgd_dev *kgd,
|
|
uint8_t vmid)
|
|
{
|
|
uint32_t reg;
|
|
struct radeon_device *rdev = (struct radeon_device *) kgd;
|
|
|
|
reg = RREG32(ATC_VMID0_PASID_MAPPING + vmid*4);
|
|
return reg & ATC_VMID_PASID_MAPPING_PASID_MASK;
|
|
}
|
|
|
|
static void write_vmid_invalidate_request(struct kgd_dev *kgd, uint8_t vmid)
|
|
{
|
|
struct radeon_device *rdev = (struct radeon_device *) kgd;
|
|
|
|
return WREG32(VM_INVALIDATE_REQUEST, 1 << vmid);
|
|
}
|
|
|
|
static uint16_t get_fw_version(struct kgd_dev *kgd, enum kgd_engine_type type)
|
|
{
|
|
struct radeon_device *rdev = (struct radeon_device *) kgd;
|
|
const union radeon_firmware_header *hdr;
|
|
|
|
BUG_ON(kgd == NULL || rdev->mec_fw == NULL);
|
|
|
|
switch (type) {
|
|
case KGD_ENGINE_PFP:
|
|
hdr = (const union radeon_firmware_header *) rdev->pfp_fw->data;
|
|
break;
|
|
|
|
case KGD_ENGINE_ME:
|
|
hdr = (const union radeon_firmware_header *) rdev->me_fw->data;
|
|
break;
|
|
|
|
case KGD_ENGINE_CE:
|
|
hdr = (const union radeon_firmware_header *) rdev->ce_fw->data;
|
|
break;
|
|
|
|
case KGD_ENGINE_MEC1:
|
|
hdr = (const union radeon_firmware_header *) rdev->mec_fw->data;
|
|
break;
|
|
|
|
case KGD_ENGINE_MEC2:
|
|
hdr = (const union radeon_firmware_header *)
|
|
rdev->mec2_fw->data;
|
|
break;
|
|
|
|
case KGD_ENGINE_RLC:
|
|
hdr = (const union radeon_firmware_header *) rdev->rlc_fw->data;
|
|
break;
|
|
|
|
case KGD_ENGINE_SDMA1:
|
|
case KGD_ENGINE_SDMA2:
|
|
hdr = (const union radeon_firmware_header *)
|
|
rdev->sdma_fw->data;
|
|
break;
|
|
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
if (hdr == NULL)
|
|
return 0;
|
|
|
|
/* Only 12 bit in use*/
|
|
return hdr->common.ucode_version;
|
|
}
|