static void uninit_mqd(struct mqd_manager *mm, void *mqd,
struct kfd_mem_obj *mqd_mem_obj)
{
struct kfd_dev *kfd = mm->dev;
if (mqd_mem_obj->gtt_mem) {
amdgpu_amdkfd_free_gtt_mem(kfd->kgd, mqd_mem_obj->gtt_mem);
kfree(mqd_mem_obj);
} else {
kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
}
}
static void uninitialize(struct kernel_queue *kq)
{
if (kq->queue->properties.type == KFD_QUEUE_TYPE_HIQ)
kq->mqd->destroy_mqd(kq->mqd,
kq->queue->mqd,
KFD_PREEMPT_TYPE_WAVEFRONT_RESET,
KFD_UNMAP_LATENCY_MS,
kq->queue->pipe,
kq->queue->queue);
else if (kq->queue->properties.type == KFD_QUEUE_TYPE_DIQ)
kfd_gtt_sa_free(kq->dev, kq->fence_mem_obj);
kq->mqd->uninit_mqd(kq->mqd, kq->queue->mqd, kq->queue->mqd_mem_obj);
kfd_gtt_sa_free(kq->dev, kq->rptr_mem);
kfd_gtt_sa_free(kq->dev, kq->wptr_mem);
kq->ops_asic_specific.uninitialize(kq);
kfd_gtt_sa_free(kq->dev, kq->pq);
kfd_release_kernel_doorbell(kq->dev,
kq->queue->properties.doorbell_ptr);
uninit_queue(kq->queue);
}
static void uninitialize(struct kernel_queue *kq)
{
BUG_ON(!kq);
if (kq->queue->properties.type == KFD_QUEUE_TYPE_HIQ)
kq->mqd->destroy_mqd(kq->mqd,
NULL,
false,
QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS,
kq->queue->pipe,
kq->queue->queue);
else if (kq->queue->properties.type == KFD_QUEUE_TYPE_DIQ)
kfd_gtt_sa_free(kq->dev, kq->fence_mem_obj);
kq->mqd->uninit_mqd(kq->mqd, kq->queue->mqd, kq->queue->mqd_mem_obj);
kfd_gtt_sa_free(kq->dev, kq->rptr_mem);
kfd_gtt_sa_free(kq->dev, kq->wptr_mem);
kq->ops_asic_specific.uninitialize(kq);
kfd_gtt_sa_free(kq->dev, kq->pq);
kfd_release_kernel_doorbell(kq->dev,
kq->queue->properties.doorbell_ptr);
uninit_queue(kq->queue);
}
static void uninit_mqd_sdma(struct mqd_manager *mm, void *mqd,
struct kfd_mem_obj *mqd_mem_obj)
{
kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
}
static int dbgdev_wave_control_diq(struct kfd_dbgdev *dbgdev,
struct dbg_wave_control_info *wac_info)
{
int status;
union SQ_CMD_BITS reg_sq_cmd;
union GRBM_GFX_INDEX_BITS reg_gfx_index;
struct kfd_mem_obj *mem_obj;
uint32_t *packet_buff_uint;
struct pm4__set_config_reg *packets_vec;
size_t ib_size = sizeof(struct pm4__set_config_reg) * 3;
BUG_ON(!dbgdev || !wac_info);
reg_sq_cmd.u32All = 0;
status = dbgdev_wave_control_set_registers(wac_info, ®_sq_cmd,
®_gfx_index);
if (status) {
pr_err("amdkfd: Failed to set wave control registers\n");
return status;
}
/* we do not control the VMID in DIQ,so reset it to a known value */
reg_sq_cmd.bits.vm_id = 0;
pr_debug("\t\t %30s\n", "* * * * * * * * * * * * * * * * * *");
pr_debug("\t\t mode is: %u\n", wac_info->mode);
pr_debug("\t\t operand is: %u\n", wac_info->operand);
pr_debug("\t\t trap id is: %u\n", wac_info->trapId);
pr_debug("\t\t msg value is: %u\n",
wac_info->dbgWave_msg.DbgWaveMsg.WaveMsgInfoGen2.Value);
pr_debug("\t\t vmid is: N/A\n");
pr_debug("\t\t chk_vmid is : %u\n", reg_sq_cmd.bitfields.check_vmid);
pr_debug("\t\t command is : %u\n", reg_sq_cmd.bitfields.cmd);
pr_debug("\t\t queue id is : %u\n", reg_sq_cmd.bitfields.queue_id);
pr_debug("\t\t simd id is : %u\n", reg_sq_cmd.bitfields.simd_id);
pr_debug("\t\t mode is : %u\n", reg_sq_cmd.bitfields.mode);
pr_debug("\t\t vm_id is : %u\n", reg_sq_cmd.bitfields.vm_id);
pr_debug("\t\t wave_id is : %u\n", reg_sq_cmd.bitfields.wave_id);
pr_debug("\t\t ibw is : %u\n",
reg_gfx_index.bitfields.instance_broadcast_writes);
pr_debug("\t\t ii is : %u\n",
reg_gfx_index.bitfields.instance_index);
pr_debug("\t\t sebw is : %u\n",
reg_gfx_index.bitfields.se_broadcast_writes);
pr_debug("\t\t se_ind is : %u\n", reg_gfx_index.bitfields.se_index);
pr_debug("\t\t sh_ind is : %u\n", reg_gfx_index.bitfields.sh_index);
pr_debug("\t\t sbw is : %u\n",
reg_gfx_index.bitfields.sh_broadcast_writes);
pr_debug("\t\t %30s\n", "* * * * * * * * * * * * * * * * * *");
status = kfd_gtt_sa_allocate(dbgdev->dev, ib_size, &mem_obj);
if (status != 0) {
pr_err("amdkfd: Failed to allocate GART memory\n");
return status;
}
packet_buff_uint = mem_obj->cpu_ptr;
memset(packet_buff_uint, 0, ib_size);
packets_vec = (struct pm4__set_config_reg *) packet_buff_uint;
packets_vec[0].header.count = 1;
packets_vec[0].header.opcode = IT_SET_UCONFIG_REG;
packets_vec[0].header.type = PM4_TYPE_3;
packets_vec[0].bitfields2.reg_offset =
GRBM_GFX_INDEX / (sizeof(uint32_t)) -
USERCONFIG_REG_BASE;
packets_vec[0].bitfields2.insert_vmid = 0;
packets_vec[0].reg_data[0] = reg_gfx_index.u32All;
packets_vec[1].header.count = 1;
packets_vec[1].header.opcode = IT_SET_CONFIG_REG;
packets_vec[1].header.type = PM4_TYPE_3;
packets_vec[1].bitfields2.reg_offset = SQ_CMD / (sizeof(uint32_t)) -
AMD_CONFIG_REG_BASE;
packets_vec[1].bitfields2.vmid_shift = SQ_CMD_VMID_OFFSET;
packets_vec[1].bitfields2.insert_vmid = 1;
packets_vec[1].reg_data[0] = reg_sq_cmd.u32All;
/* Restore the GRBM_GFX_INDEX register */
reg_gfx_index.u32All = 0;
reg_gfx_index.bits.sh_broadcast_writes = 1;
reg_gfx_index.bits.instance_broadcast_writes = 1;
reg_gfx_index.bits.se_broadcast_writes = 1;
packets_vec[2].ordinal1 = packets_vec[0].ordinal1;
packets_vec[2].bitfields2.reg_offset =
GRBM_GFX_INDEX / (sizeof(uint32_t)) -
USERCONFIG_REG_BASE;
packets_vec[2].bitfields2.insert_vmid = 0;
packets_vec[2].reg_data[0] = reg_gfx_index.u32All;
status = dbgdev_diq_submit_ib(
dbgdev,
wac_info->process->pasid,
mem_obj->gpu_addr,
packet_buff_uint,
ib_size);
if (status != 0)
pr_err("amdkfd: Failed to submit IB to DIQ\n");
kfd_gtt_sa_free(dbgdev->dev, mem_obj);
return status;
}
static int dbgdev_diq_submit_ib(struct kfd_dbgdev *dbgdev,
unsigned int pasid, uint64_t vmid0_address,
uint32_t *packet_buff, size_t size_in_bytes)
{
struct pm4__release_mem *rm_packet;
struct pm4__indirect_buffer_pasid *ib_packet;
struct kfd_mem_obj *mem_obj;
size_t pq_packets_size_in_bytes;
union ULARGE_INTEGER *largep;
union ULARGE_INTEGER addr;
struct kernel_queue *kq;
uint64_t *rm_state;
unsigned int *ib_packet_buff;
int status;
BUG_ON(!dbgdev || !dbgdev->kq || !packet_buff || !size_in_bytes);
kq = dbgdev->kq;
pq_packets_size_in_bytes = sizeof(struct pm4__release_mem) +
sizeof(struct pm4__indirect_buffer_pasid);
/*
* We acquire a buffer from DIQ
* The receive packet buff will be sitting on the Indirect Buffer
* and in the PQ we put the IB packet + sync packet(s).
*/
status = kq->ops.acquire_packet_buffer(kq,
pq_packets_size_in_bytes / sizeof(uint32_t),
&ib_packet_buff);
if (status != 0) {
pr_err("amdkfd: acquire_packet_buffer failed\n");
return status;
}
memset(ib_packet_buff, 0, pq_packets_size_in_bytes);
ib_packet = (struct pm4__indirect_buffer_pasid *) (ib_packet_buff);
ib_packet->header.count = 3;
ib_packet->header.opcode = IT_INDIRECT_BUFFER_PASID;
ib_packet->header.type = PM4_TYPE_3;
largep = (union ULARGE_INTEGER *) &vmid0_address;
ib_packet->bitfields2.ib_base_lo = largep->u.low_part >> 2;
ib_packet->bitfields3.ib_base_hi = largep->u.high_part;
ib_packet->control = (1 << 23) | (1 << 31) |
((size_in_bytes / sizeof(uint32_t)) & 0xfffff);
ib_packet->bitfields5.pasid = pasid;
/*
* for now we use release mem for GPU-CPU synchronization
* Consider WaitRegMem + WriteData as a better alternative
* we get a GART allocations ( gpu/cpu mapping),
* for the sync variable, and wait until:
* (a) Sync with HW
* (b) Sync var is written by CP to mem.
*/
rm_packet = (struct pm4__release_mem *) (ib_packet_buff +
(sizeof(struct pm4__indirect_buffer_pasid) /
sizeof(unsigned int)));
status = kfd_gtt_sa_allocate(dbgdev->dev, sizeof(uint64_t),
&mem_obj);
if (status != 0) {
pr_err("amdkfd: Failed to allocate GART memory\n");
kq->ops.rollback_packet(kq);
return status;
}
rm_state = (uint64_t *) mem_obj->cpu_ptr;
*rm_state = QUEUESTATE__ACTIVE_COMPLETION_PENDING;
rm_packet->header.opcode = IT_RELEASE_MEM;
rm_packet->header.type = PM4_TYPE_3;
rm_packet->header.count = sizeof(struct pm4__release_mem) /
sizeof(unsigned int) - 2;
rm_packet->bitfields2.event_type = CACHE_FLUSH_AND_INV_TS_EVENT;
rm_packet->bitfields2.event_index =
event_index___release_mem__end_of_pipe;
rm_packet->bitfields2.cache_policy = cache_policy___release_mem__lru;
rm_packet->bitfields2.atc = 0;
rm_packet->bitfields2.tc_wb_action_ena = 1;
addr.quad_part = mem_obj->gpu_addr;
rm_packet->bitfields4.address_lo_32b = addr.u.low_part >> 2;
rm_packet->address_hi = addr.u.high_part;
rm_packet->bitfields3.data_sel =
data_sel___release_mem__send_64_bit_data;
rm_packet->bitfields3.int_sel =
int_sel___release_mem__send_data_after_write_confirm;
rm_packet->bitfields3.dst_sel =
dst_sel___release_mem__memory_controller;
rm_packet->data_lo = QUEUESTATE__ACTIVE;
kq->ops.submit_packet(kq);
/* Wait till CP writes sync code: */
status = amdkfd_fence_wait_timeout(
(unsigned int *) rm_state,
QUEUESTATE__ACTIVE, 1500);
kfd_gtt_sa_free(dbgdev->dev, mem_obj);
return status;
}
static int dbgdev_address_watch_diq(struct kfd_dbgdev *dbgdev,
struct dbg_address_watch_info *adw_info)
{
struct pm4__set_config_reg *packets_vec;
union TCP_WATCH_ADDR_H_BITS addrHi;
union TCP_WATCH_ADDR_L_BITS addrLo;
union TCP_WATCH_CNTL_BITS cntl;
struct kfd_mem_obj *mem_obj;
unsigned int aw_reg_add_dword;
uint32_t *packet_buff_uint;
unsigned int i;
int status;
size_t ib_size = sizeof(struct pm4__set_config_reg) * 4;
/* we do not control the vmid in DIQ mode, just a place holder */
unsigned int vmid = 0;
BUG_ON(!dbgdev || !dbgdev->dev || !adw_info);
addrHi.u32All = 0;
addrLo.u32All = 0;
cntl.u32All = 0;
if ((adw_info->num_watch_points > MAX_WATCH_ADDRESSES) ||
(adw_info->num_watch_points == 0)) {
pr_err("amdkfd: num_watch_points is invalid\n");
return -EINVAL;
}
if ((NULL == adw_info->watch_mode) ||
(NULL == adw_info->watch_address)) {
pr_err("amdkfd: adw_info fields are not valid\n");
return -EINVAL;
}
status = kfd_gtt_sa_allocate(dbgdev->dev, ib_size, &mem_obj);
if (status != 0) {
pr_err("amdkfd: Failed to allocate GART memory\n");
return status;
}
packet_buff_uint = mem_obj->cpu_ptr;
memset(packet_buff_uint, 0, ib_size);
packets_vec = (struct pm4__set_config_reg *) (packet_buff_uint);
packets_vec[0].header.count = 1;
packets_vec[0].header.opcode = IT_SET_CONFIG_REG;
packets_vec[0].header.type = PM4_TYPE_3;
packets_vec[0].bitfields2.vmid_shift = ADDRESS_WATCH_CNTL_OFFSET;
packets_vec[0].bitfields2.insert_vmid = 1;
packets_vec[1].ordinal1 = packets_vec[0].ordinal1;
packets_vec[1].bitfields2.insert_vmid = 0;
packets_vec[2].ordinal1 = packets_vec[0].ordinal1;
packets_vec[2].bitfields2.insert_vmid = 0;
packets_vec[3].ordinal1 = packets_vec[0].ordinal1;
packets_vec[3].bitfields2.vmid_shift = ADDRESS_WATCH_CNTL_OFFSET;
packets_vec[3].bitfields2.insert_vmid = 1;
for (i = 0; i < adw_info->num_watch_points; i++) {
dbgdev_address_watch_set_registers(adw_info,
&addrHi,
&addrLo,
&cntl,
i,
vmid);
pr_debug("\t\t%30s\n", "* * * * * * * * * * * * * * * * * *");
pr_debug("\t\t%20s %08x\n", "register index :", i);
pr_debug("\t\t%20s %08x\n", "vmid is :", vmid);
pr_debug("\t\t%20s %p\n", "Add ptr is :",
adw_info->watch_address);
pr_debug("\t\t%20s %08llx\n", "Add is :",
adw_info->watch_address[i]);
pr_debug("\t\t%20s %08x\n", "Address Low is :",
addrLo.bitfields.addr);
pr_debug("\t\t%20s %08x\n", "Address high is :",
addrHi.bitfields.addr);
pr_debug("\t\t%20s %08x\n", "Control Mask is :",
cntl.bitfields.mask);
pr_debug("\t\t%20s %08x\n", "Control Mode is :",
cntl.bitfields.mode);
pr_debug("\t\t%20s %08x\n", "Control Vmid is :",
cntl.bitfields.vmid);
pr_debug("\t\t%20s %08x\n", "Control atc is :",
cntl.bitfields.atc);
pr_debug("\t\t%30s\n", "* * * * * * * * * * * * * * * * * *");
aw_reg_add_dword =
dbgdev->dev->kfd2kgd->address_watch_get_offset(
dbgdev->dev->kgd,
i,
ADDRESS_WATCH_REG_CNTL);
aw_reg_add_dword /= sizeof(uint32_t);
packets_vec[0].bitfields2.reg_offset =
aw_reg_add_dword - AMD_CONFIG_REG_BASE;
packets_vec[0].reg_data[0] = cntl.u32All;
aw_reg_add_dword =
dbgdev->dev->kfd2kgd->address_watch_get_offset(
dbgdev->dev->kgd,
i,
ADDRESS_WATCH_REG_ADDR_HI);
aw_reg_add_dword /= sizeof(uint32_t);
packets_vec[1].bitfields2.reg_offset =
aw_reg_add_dword - AMD_CONFIG_REG_BASE;
packets_vec[1].reg_data[0] = addrHi.u32All;
aw_reg_add_dword =
dbgdev->dev->kfd2kgd->address_watch_get_offset(
dbgdev->dev->kgd,
i,
ADDRESS_WATCH_REG_ADDR_LO);
aw_reg_add_dword /= sizeof(uint32_t);
packets_vec[2].bitfields2.reg_offset =
aw_reg_add_dword - AMD_CONFIG_REG_BASE;
packets_vec[2].reg_data[0] = addrLo.u32All;
/* enable watch flag if address is not zero*/
if (adw_info->watch_address[i] > 0)
cntl.bitfields.valid = 1;
else
cntl.bitfields.valid = 0;
aw_reg_add_dword =
dbgdev->dev->kfd2kgd->address_watch_get_offset(
dbgdev->dev->kgd,
i,
ADDRESS_WATCH_REG_CNTL);
aw_reg_add_dword /= sizeof(uint32_t);
packets_vec[3].bitfields2.reg_offset =
aw_reg_add_dword - AMD_CONFIG_REG_BASE;
packets_vec[3].reg_data[0] = cntl.u32All;
status = dbgdev_diq_submit_ib(
dbgdev,
adw_info->process->pasid,
mem_obj->gpu_addr,
packet_buff_uint,
ib_size);
if (status != 0) {
pr_err("amdkfd: Failed to submit IB to DIQ\n");
break;
}
}
kfd_gtt_sa_free(dbgdev->dev, mem_obj);
return status;
}
static bool initialize(struct kernel_queue *kq, struct kfd_dev *dev,
enum kfd_queue_type type, unsigned int queue_size)
{
struct queue_properties prop;
int retval;
union PM4_MES_TYPE_3_HEADER nop;
BUG_ON(!kq || !dev);
BUG_ON(type != KFD_QUEUE_TYPE_DIQ && type != KFD_QUEUE_TYPE_HIQ);
pr_debug("amdkfd: In func %s initializing queue type %d size %d\n",
__func__, KFD_QUEUE_TYPE_HIQ, queue_size);
memset(&prop, 0, sizeof(prop));
memset(&nop, 0, sizeof(nop));
nop.opcode = IT_NOP;
nop.type = PM4_TYPE_3;
nop.u32all |= PM4_COUNT_ZERO;
kq->dev = dev;
kq->nop_packet = nop.u32all;
switch (type) {
case KFD_QUEUE_TYPE_DIQ:
case KFD_QUEUE_TYPE_HIQ:
kq->mqd = dev->dqm->ops.get_mqd_manager(dev->dqm,
KFD_MQD_TYPE_HIQ);
break;
default:
BUG();
break;
}
if (kq->mqd == NULL)
return false;
prop.doorbell_ptr = kfd_get_kernel_doorbell(dev, &prop.doorbell_off);
if (prop.doorbell_ptr == NULL) {
pr_err("amdkfd: error init doorbell");
goto err_get_kernel_doorbell;
}
retval = kfd_gtt_sa_allocate(dev, queue_size, &kq->pq);
if (retval != 0) {
pr_err("amdkfd: error init pq queues size (%d)\n", queue_size);
goto err_pq_allocate_vidmem;
}
kq->pq_kernel_addr = kq->pq->cpu_ptr;
kq->pq_gpu_addr = kq->pq->gpu_addr;
retval = kq->ops_asic_specific.initialize(kq, dev, type, queue_size);
if (retval == false)
goto err_eop_allocate_vidmem;
retval = kfd_gtt_sa_allocate(dev, sizeof(*kq->rptr_kernel),
&kq->rptr_mem);
if (retval != 0)
goto err_rptr_allocate_vidmem;
kq->rptr_kernel = kq->rptr_mem->cpu_ptr;
kq->rptr_gpu_addr = kq->rptr_mem->gpu_addr;
retval = kfd_gtt_sa_allocate(dev, sizeof(*kq->wptr_kernel),
&kq->wptr_mem);
if (retval != 0)
goto err_wptr_allocate_vidmem;
kq->wptr_kernel = kq->wptr_mem->cpu_ptr;
kq->wptr_gpu_addr = kq->wptr_mem->gpu_addr;
memset(kq->pq_kernel_addr, 0, queue_size);
memset(kq->rptr_kernel, 0, sizeof(*kq->rptr_kernel));
memset(kq->wptr_kernel, 0, sizeof(*kq->wptr_kernel));
prop.queue_size = queue_size;
prop.is_interop = false;
prop.priority = 1;
prop.queue_percent = 100;
prop.type = type;
prop.vmid = 0;
prop.queue_address = kq->pq_gpu_addr;
prop.read_ptr = (uint32_t *) kq->rptr_gpu_addr;
prop.write_ptr = (uint32_t *) kq->wptr_gpu_addr;
prop.eop_ring_buffer_address = kq->eop_gpu_addr;
prop.eop_ring_buffer_size = PAGE_SIZE;
if (init_queue(&kq->queue, &prop) != 0)
goto err_init_queue;
kq->queue->device = dev;
kq->queue->process = kfd_get_process(current);
retval = kq->mqd->init_mqd(kq->mqd, &kq->queue->mqd,
&kq->queue->mqd_mem_obj,
&kq->queue->gart_mqd_addr,
&kq->queue->properties);
if (retval != 0)
goto err_init_mqd;
/* assign HIQ to HQD */
if (type == KFD_QUEUE_TYPE_HIQ) {
pr_debug("assigning hiq to hqd\n");
kq->queue->pipe = KFD_CIK_HIQ_PIPE;
kq->queue->queue = KFD_CIK_HIQ_QUEUE;
kq->mqd->load_mqd(kq->mqd, kq->queue->mqd, kq->queue->pipe,
kq->queue->queue, NULL, NULL);
} else {
/* allocate fence for DIQ */
retval = kfd_gtt_sa_allocate(dev, sizeof(uint32_t),
&kq->fence_mem_obj);
if (retval != 0)
goto err_alloc_fence;
kq->fence_kernel_address = kq->fence_mem_obj->cpu_ptr;
kq->fence_gpu_addr = kq->fence_mem_obj->gpu_addr;
}
print_queue(kq->queue);
return true;
err_alloc_fence:
err_init_mqd:
uninit_queue(kq->queue);
err_init_queue:
kfd_gtt_sa_free(dev, kq->wptr_mem);
err_wptr_allocate_vidmem:
kfd_gtt_sa_free(dev, kq->rptr_mem);
err_rptr_allocate_vidmem:
kfd_gtt_sa_free(dev, kq->eop_mem);
err_eop_allocate_vidmem:
kfd_gtt_sa_free(dev, kq->pq);
err_pq_allocate_vidmem:
kfd_release_kernel_doorbell(dev, prop.doorbell_ptr);
err_get_kernel_doorbell:
return false;
}
static void uninit_mqd(struct mqd_manager *mm, void *mqd,
struct kfd_mem_obj *mqd_mem_obj)
{
BUG_ON(!mm || !mqd);
kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
}
static void uninitialize_v9(struct kernel_queue *kq)
{
kfd_gtt_sa_free(kq->dev, kq->eop_mem);
}
