Extend ExecutePM4() to accept completion signal and fences

ExecutePM4() function can optionally accept extra arguments for
acquire fence scope, release fence scope andcompletion signal. When
a completion signal is provided, ExecutePM4() does not wait for the
commands to complete.

Change-Id: Ib2a433b7bce1cb6260be8b76fe902335bd5dfada
This commit is contained in:
David Yat Sin
2023-08-30 17:31:13 +00:00
förälder d7adc94e3f
incheckning 721e56ef5c
5 ändrade filer med 59 tillägg och 22 borttagningar
+5 -2
Visa fil
@@ -196,8 +196,11 @@ class AqlQueue : public core::Queue, private core::LocalSignal, public core::Doo
/// @return hsa_status_t
hsa_status_t GetCUMasking(uint32_t num_cu_mask_count, uint32_t* cu_mask) override;
/// @brief Submits a block of PM4 and waits until it has been executed.
void ExecutePM4(uint32_t* cmd_data, size_t cmd_size_b) override;
// @brief Submits a block of PM4 and waits until it has been executed.
void ExecutePM4(uint32_t* cmd_data, size_t cmd_size_b,
hsa_fence_scope_t acquireFence = HSA_FENCE_SCOPE_NONE,
hsa_fence_scope_t releaseFence = HSA_FENCE_SCOPE_NONE,
hsa_signal_t* signal = NULL) override;
/// @brief Enables/Disables profiling overrides SetProfiling from core::Queue
void SetProfiling(bool enabled) override;
+4 -1
Visa fil
@@ -152,7 +152,10 @@ class HostQueue : public Queue {
return HSA_STATUS_ERROR_INVALID_QUEUE;
}
void ExecutePM4(uint32_t* cmd_data, size_t cmd_size_b) override {
void ExecutePM4(uint32_t* cmd_data, size_t cmd_size_b,
hsa_fence_scope_t acquireFence = HSA_FENCE_SCOPE_NONE,
hsa_fence_scope_t releaseFence = HSA_FENCE_SCOPE_NONE,
hsa_signal_t* signal = NULL) override {
assert(false && "HostQueue::ExecutePM4 is unimplemented");
}
@@ -120,8 +120,11 @@ class QueueWrapper : public Queue {
hsa_status_t GetCUMasking(uint32_t num_cu_mask_count, uint32_t* cu_mask) override {
return wrapped->GetCUMasking(num_cu_mask_count, cu_mask);
}
void ExecutePM4(uint32_t* cmd_data, size_t cmd_size_b) override {
wrapped->ExecutePM4(cmd_data, cmd_size_b);
void ExecutePM4(uint32_t* cmd_data, size_t cmd_size_b,
hsa_fence_scope_t acquireFence = HSA_FENCE_SCOPE_NONE,
hsa_fence_scope_t releaseFence = HSA_FENCE_SCOPE_NONE,
hsa_signal_t* signal = NULL) override {
wrapped->ExecutePM4(cmd_data, cmd_size_b, acquireFence, releaseFence, signal);
}
void SetProfiling(bool enabled) override { wrapped->SetProfiling(enabled); }
+18 -2
Visa fil
@@ -346,8 +346,24 @@ class Queue : public Checked<0xFA3906A679F9DB49>, private LocalQueue {
/// @return hsa_status_t
virtual hsa_status_t GetCUMasking(uint32_t num_cu_mask_count, uint32_t* cu_mask) = 0;
// @brief Submits a block of PM4 and waits until it has been executed.
virtual void ExecutePM4(uint32_t* cmd_data, size_t cmd_size_b) = 0;
/// @brief Submits a block of PM4.
///
/// @param cmd_data pointer to command buffer
///
/// @param cmd_size_b command buffer size in bytes
///
/// @param acquireFence acquire-fence type
///
/// @param releaseFence acquire-fence type
///
/// @param signal optional wait signal
///
/// if @p signal is provided, function will return without waiting for commands to be executed
/// if @p signal is NULL, waits until commands have been executed.
virtual void ExecutePM4(uint32_t* cmd_data, size_t cmd_size_b,
hsa_fence_scope_t acquireFence = HSA_FENCE_SCOPE_NONE,
hsa_fence_scope_t releaseFence = HSA_FENCE_SCOPE_NONE,
hsa_signal_t* signal = NULL) = 0;
virtual void SetProfiling(bool enabled) {
AMD_HSA_BITS_SET(amd_queue_.queue_properties, AMD_QUEUE_PROPERTIES_ENABLE_PROFILING,
@@ -1395,7 +1395,12 @@ void AqlQueue::SetProfiling(bool enabled) {
return;
}
void AqlQueue::ExecutePM4(uint32_t* cmd_data, size_t cmd_size_b) {
// If in_signal is NULL then this ExecutePM4 will block and wait for PM4 commands to complete
// If in_signal is provided, then ExecutePM4 will return and caller may wait for in_signal
// Note: On gfx8, there is no completion signal support, so ExecutePM4 will block even if
// in_signal is provided, and it is still valid to check in_signal after ExecutePM4 returns.
void AqlQueue::ExecutePM4(uint32_t* cmd_data, size_t cmd_size_b, hsa_fence_scope_t acquireFence,
hsa_fence_scope_t releaseFence, hsa_signal_t* in_signal) {
// pm4_ib_buf_ is a shared resource, so mutually exclude here.
ScopedAcquire<KernelMutex> lock(&pm4_ib_mutex_);
@@ -1431,7 +1436,7 @@ void AqlQueue::ExecutePM4(uint32_t* cmd_data, size_t cmd_size_b) {
// To respect multi-producer semantics, first buffer commands for the queue slot.
constexpr uint32_t slot_size_dw = uint32_t(slot_size_b / sizeof(uint32_t));
uint32_t slot_data[slot_size_dw];
hsa_signal_t signal = {0};
hsa_signal_t local_signal = {0};
hsa_status_t err;
if (agent_->isa()->GetMajorVersion() <= 8) {
@@ -1476,28 +1481,32 @@ void AqlQueue::ExecutePM4(uint32_t* cmd_data, size_t cmd_size_b) {
// Construct an AQL packet to jump to the PM4 IB.
struct amd_aql_pm4_ib {
uint16_t header;
uint8_t amd_format;
uint8_t reserved0;
uint16_t ven_hdr;
uint32_t ib_jump_cmd[4];
uint32_t dw_cnt_remain;
uint32_t reserved1[8];
uint32_t reserved[8];
hsa_signal_t completion_signal;
};
if (!in_signal) {
err = hsa_signal_create(1, 0, NULL, &local_signal);
assert(err == HSA_STATUS_SUCCESS);
}
constexpr uint32_t AMD_AQL_FORMAT_PM4_IB = 0x1;
err = hsa_signal_create(1, 0, NULL, &signal);
assert(err == HSA_STATUS_SUCCESS);
amd_aql_pm4_ib aql_pm4_ib{};
aql_pm4_ib.header = HSA_PACKET_TYPE_VENDOR_SPECIFIC << HSA_PACKET_HEADER_TYPE;
aql_pm4_ib.amd_format = AMD_AQL_FORMAT_PM4_IB;
aql_pm4_ib.header = HSA_PACKET_TYPE_VENDOR_SPECIFIC << HSA_PACKET_HEADER_TYPE |
(acquireFence << HSA_PACKET_HEADER_SCACQUIRE_FENCE_SCOPE) |
(releaseFence << HSA_PACKET_HEADER_SCRELEASE_FENCE_SCOPE);
aql_pm4_ib.ven_hdr = AMD_AQL_FORMAT_PM4_IB;
aql_pm4_ib.ib_jump_cmd[0] = ib_jump_cmd[0];
aql_pm4_ib.ib_jump_cmd[1] = ib_jump_cmd[1];
aql_pm4_ib.ib_jump_cmd[2] = ib_jump_cmd[2];
aql_pm4_ib.ib_jump_cmd[3] = ib_jump_cmd[3];
aql_pm4_ib.dw_cnt_remain = 0xA;
aql_pm4_ib.completion_signal = signal;
aql_pm4_ib.completion_signal = in_signal ? *in_signal : local_signal;
memcpy(slot_data, &aql_pm4_ib, sizeof(aql_pm4_ib));
} else {
@@ -1518,11 +1527,14 @@ void AqlQueue::ExecutePM4(uint32_t* cmd_data, size_t cmd_size_b) {
if (agent_->isa()->GetMajorVersion() <= 8) {
while (queue->LoadReadIndexRelaxed() <= write_idx)
os::YieldThread();
} else {
if (in_signal) hsa_signal_store_screlease(*in_signal, 0);
} else if (!in_signal) {
// On gfx9 and newer, if in_signal is not provided, we block and wait for own signal
hsa_signal_value_t ret;
ret = hsa_signal_wait_scacquire(signal, HSA_SIGNAL_CONDITION_LT, 1,
(uint64_t)-1, HSA_WAIT_STATE_ACTIVE);
err = hsa_signal_destroy(signal);
ret = hsa_signal_wait_scacquire(local_signal, HSA_SIGNAL_CONDITION_LT, 1, (uint64_t)-1,
HSA_WAIT_STATE_ACTIVE);
err = hsa_signal_destroy(local_signal);
assert(ret == 0 && err == HSA_STATUS_SUCCESS);
}
}