diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_int_process_v10.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_int_process_v10.c | 405 |
1 files changed, 405 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v10.c b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v10.c new file mode 100644 index 000000000000..c7991e07b6be --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v10.c @@ -0,0 +1,405 @@ +/* + * Copyright 2023 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 "kfd_events.h" +#include "kfd_debug.h" +#include "soc15_int.h" +#include "kfd_device_queue_manager.h" + +/* + * GFX10 SQ Interrupts + * + * There are 3 encoding types of interrupts sourced from SQ sent as a 44-bit + * packet to the Interrupt Handler: + * Auto - Generated by the SQG (various cmd overflows, timestamps etc) + * Wave - Generated by S_SENDMSG through a shader program + * Error - HW generated errors (Illegal instructions, Memviols, EDC etc) + * + * The 44-bit packet is mapped as {context_id1[7:0],context_id0[31:0]} plus + * 4-bits for VMID (SOC15_VMID_FROM_IH_ENTRY) as such: + * + * - context_id1[7:6] + * Encoding type (0 = Auto, 1 = Wave, 2 = Error) + * + * - context_id0[24] + * PRIV bit indicates that Wave S_SEND or error occurred within trap + * + * - context_id0[22:0] + * 23-bit data with the following layout per encoding type: + * Auto - only context_id0[8:0] is used, which reports various interrupts + * generated by SQG. The rest is 0. + * Wave - user data sent from m0 via S_SENDMSG + * Error - Error type (context_id0[22:19]), Error Details (rest of bits) + * + * The other context_id bits show coordinates (SE/SH/CU/SIMD/WGP) for wave + * S_SENDMSG and Errors. These are 0 for Auto. + */ + +enum SQ_INTERRUPT_WORD_ENCODING { + SQ_INTERRUPT_WORD_ENCODING_AUTO = 0x0, + SQ_INTERRUPT_WORD_ENCODING_INST, + SQ_INTERRUPT_WORD_ENCODING_ERROR, +}; + +enum SQ_INTERRUPT_ERROR_TYPE { + SQ_INTERRUPT_ERROR_TYPE_EDC_FUE = 0x0, + SQ_INTERRUPT_ERROR_TYPE_ILLEGAL_INST, + SQ_INTERRUPT_ERROR_TYPE_MEMVIOL, + SQ_INTERRUPT_ERROR_TYPE_EDC_FED, +}; + +/* SQ_INTERRUPT_WORD_AUTO_CTXID */ +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE__SHIFT 0 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__WLT__SHIFT 1 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF0_FULL__SHIFT 2 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF1_FULL__SHIFT 3 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_UTC_ERROR__SHIFT 7 +#define SQ_INTERRUPT_WORD_AUTO_CTXID1__SE_ID__SHIFT 4 +#define SQ_INTERRUPT_WORD_AUTO_CTXID1__ENCODING__SHIFT 6 + +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_MASK 0x00000001 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__WLT_MASK 0x00000002 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF0_FULL_MASK 0x00000004 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_BUF1_FULL_MASK 0x00000008 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_UTC_ERROR_MASK 0x00000080 +#define SQ_INTERRUPT_WORD_AUTO_CTXID1__SE_ID_MASK 0x030 +#define SQ_INTERRUPT_WORD_AUTO_CTXID1__ENCODING_MASK 0x0c0 + +/* SQ_INTERRUPT_WORD_WAVE_CTXID */ +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__DATA__SHIFT 0 +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SA_ID__SHIFT 23 +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV__SHIFT 24 +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__WAVE_ID__SHIFT 25 +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SIMD_ID__SHIFT 30 +#define SQ_INTERRUPT_WORD_WAVE_CTXID1__WGP_ID__SHIFT 0 +#define SQ_INTERRUPT_WORD_WAVE_CTXID1__SE_ID__SHIFT 4 +#define SQ_INTERRUPT_WORD_WAVE_CTXID1__ENCODING__SHIFT 6 + +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__DATA_MASK 0x000007fffff +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SA_ID_MASK 0x0000800000 +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV_MASK 0x00001000000 +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__WAVE_ID_MASK 0x0003e000000 +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SIMD_ID_MASK 0x000c0000000 +#define SQ_INTERRUPT_WORD_WAVE_CTXID1__WGP_ID_MASK 0x00f +#define SQ_INTERRUPT_WORD_WAVE_CTXID1__SE_ID_MASK 0x030 +#define SQ_INTERRUPT_WORD_WAVE_CTXID1__ENCODING_MASK 0x0c0 + +#define KFD_CTXID0__ERR_TYPE_MASK 0x780000 +#define KFD_CTXID0__ERR_TYPE__SHIFT 19 + +/* GFX10 SQ interrupt ENC type bit (context_id1[7:6]) for wave s_sendmsg */ +#define KFD_CONTEXT_ID1_ENC_TYPE_WAVE_MASK 0x40 +/* GFX10 SQ interrupt PRIV bit (context_id0[24]) for s_sendmsg inside trap */ +#define KFD_CONTEXT_ID0_PRIV_MASK 0x1000000 +/* + * The debugger will send user data(m0) with PRIV=1 to indicate it requires + * notification from the KFD with the following queue id (DOORBELL_ID) and + * trap code (TRAP_CODE). + */ +#define KFD_CONTEXT_ID0_DEBUG_DOORBELL_MASK 0x0003ff +#define KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_SHIFT 10 +#define KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_MASK 0x07fc00 +#define KFD_DEBUG_DOORBELL_ID(ctxid0) ((ctxid0) & \ + KFD_CONTEXT_ID0_DEBUG_DOORBELL_MASK) +#define KFD_DEBUG_TRAP_CODE(ctxid0) (((ctxid0) & \ + KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_MASK) \ + >> KFD_CONTEXT_ID0_DEBUG_TRAP_CODE_SHIFT) +#define KFD_DEBUG_CP_BAD_OP_ECODE_MASK 0x3fffc00 +#define KFD_DEBUG_CP_BAD_OP_ECODE_SHIFT 10 +#define KFD_DEBUG_CP_BAD_OP_ECODE(ctxid0) (((ctxid0) & \ + KFD_DEBUG_CP_BAD_OP_ECODE_MASK) \ + >> KFD_DEBUG_CP_BAD_OP_ECODE_SHIFT) + +static void event_interrupt_poison_consumption(struct kfd_node *dev, + uint16_t pasid, uint16_t client_id) +{ + int old_poison, ret = -EINVAL; + struct kfd_process *p = kfd_lookup_process_by_pasid(pasid); + + if (!p) + return; + + /* all queues of a process will be unmapped in one time */ + old_poison = atomic_cmpxchg(&p->poison, 0, 1); + kfd_unref_process(p); + if (old_poison) + return; + + switch (client_id) { + case SOC15_IH_CLIENTID_SE0SH: + case SOC15_IH_CLIENTID_SE1SH: + case SOC15_IH_CLIENTID_SE2SH: + case SOC15_IH_CLIENTID_SE3SH: + case SOC15_IH_CLIENTID_UTCL2: + ret = kfd_dqm_evict_pasid(dev->dqm, pasid); + break; + case SOC15_IH_CLIENTID_SDMA0: + case SOC15_IH_CLIENTID_SDMA1: + case SOC15_IH_CLIENTID_SDMA2: + case SOC15_IH_CLIENTID_SDMA3: + case SOC15_IH_CLIENTID_SDMA4: + break; + default: + break; + } + + kfd_signal_poison_consumed_event(dev, pasid); + + /* resetting queue passes, do page retirement without gpu reset + * resetting queue fails, fallback to gpu reset solution + */ + if (!ret) { + dev_warn(dev->adev->dev, + "RAS poison consumption, unmap queue flow succeeded: client id %d\n", + client_id); + amdgpu_amdkfd_ras_poison_consumption_handler(dev->adev, false); + } else { + dev_warn(dev->adev->dev, + "RAS poison consumption, fall back to gpu reset flow: client id %d\n", + client_id); + amdgpu_amdkfd_ras_poison_consumption_handler(dev->adev, true); + } +} + +static bool event_interrupt_isr_v10(struct kfd_node *dev, + const uint32_t *ih_ring_entry, + uint32_t *patched_ihre, + bool *patched_flag) +{ + uint16_t source_id, client_id, pasid, vmid; + const uint32_t *data = ih_ring_entry; + + source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry); + client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry); + + /* Only handle interrupts from KFD VMIDs */ + vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry); + if (!KFD_IRQ_IS_FENCE(client_id, source_id) && + (vmid < dev->vm_info.first_vmid_kfd || + vmid > dev->vm_info.last_vmid_kfd)) + return false; + + pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry); + + /* Only handle clients we care about */ + if (client_id != SOC15_IH_CLIENTID_GRBM_CP && + client_id != SOC15_IH_CLIENTID_SDMA0 && + client_id != SOC15_IH_CLIENTID_SDMA1 && + client_id != SOC15_IH_CLIENTID_SDMA2 && + client_id != SOC15_IH_CLIENTID_SDMA3 && + client_id != SOC15_IH_CLIENTID_SDMA4 && + client_id != SOC15_IH_CLIENTID_SDMA5 && + client_id != SOC15_IH_CLIENTID_SDMA6 && + client_id != SOC15_IH_CLIENTID_SDMA7 && + client_id != SOC15_IH_CLIENTID_VMC && + client_id != SOC15_IH_CLIENTID_VMC1 && + client_id != SOC15_IH_CLIENTID_UTCL2 && + client_id != SOC15_IH_CLIENTID_SE0SH && + client_id != SOC15_IH_CLIENTID_SE1SH && + client_id != SOC15_IH_CLIENTID_SE2SH && + client_id != SOC15_IH_CLIENTID_SE3SH) + return false; + + pr_debug("client id 0x%x, source id %d, vmid %d, pasid 0x%x. raw data:\n", + client_id, source_id, vmid, pasid); + pr_debug("%8X, %8X, %8X, %8X, %8X, %8X, %8X, %8X.\n", + data[0], data[1], data[2], data[3], + data[4], data[5], data[6], data[7]); + + /* If there is no valid PASID, it's likely a bug */ + if (WARN_ONCE(pasid == 0, "Bug: No PASID in KFD interrupt")) + return 0; + + /* Interrupt types we care about: various signals and faults. + * They will be forwarded to a work queue (see below). + */ + return source_id == SOC15_INTSRC_CP_END_OF_PIPE || + source_id == SOC15_INTSRC_SDMA_TRAP || + source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG || + source_id == SOC15_INTSRC_CP_BAD_OPCODE || + client_id == SOC15_IH_CLIENTID_VMC || + client_id == SOC15_IH_CLIENTID_VMC1 || + client_id == SOC15_IH_CLIENTID_UTCL2 || + KFD_IRQ_IS_FENCE(client_id, source_id); +} + +static void event_interrupt_wq_v10(struct kfd_node *dev, + const uint32_t *ih_ring_entry) +{ + uint16_t source_id, client_id, pasid, vmid; + uint32_t context_id0, context_id1; + uint32_t encoding, sq_intr_err_type; + + source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry); + client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry); + pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry); + vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry); + context_id0 = SOC15_CONTEXT_ID0_FROM_IH_ENTRY(ih_ring_entry); + context_id1 = SOC15_CONTEXT_ID1_FROM_IH_ENTRY(ih_ring_entry); + + if (client_id == SOC15_IH_CLIENTID_GRBM_CP || + client_id == SOC15_IH_CLIENTID_SE0SH || + client_id == SOC15_IH_CLIENTID_SE1SH || + client_id == SOC15_IH_CLIENTID_SE2SH || + client_id == SOC15_IH_CLIENTID_SE3SH) { + if (source_id == SOC15_INTSRC_CP_END_OF_PIPE) + kfd_signal_event_interrupt(pasid, context_id0, 32); + else if (source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG) { + encoding = REG_GET_FIELD(context_id1, + SQ_INTERRUPT_WORD_WAVE_CTXID1, ENCODING); + switch (encoding) { + case SQ_INTERRUPT_WORD_ENCODING_AUTO: + pr_debug( + "sq_intr: auto, se %d, ttrace %d, wlt %d, ttrac_buf0_full %d, ttrac_buf1_full %d, ttrace_utc_err %d\n", + REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_AUTO_CTXID1, + SE_ID), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, + THREAD_TRACE), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, + WLT), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, + THREAD_TRACE_BUF0_FULL), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, + THREAD_TRACE_BUF1_FULL), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, + THREAD_TRACE_UTC_ERROR)); + break; + case SQ_INTERRUPT_WORD_ENCODING_INST: + pr_debug("sq_intr: inst, se %d, data 0x%x, sa %d, priv %d, wave_id %d, simd_id %d, wgp_id %d\n", + REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1, + SE_ID), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, + DATA), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, + SA_ID), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, + PRIV), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, + WAVE_ID), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, + SIMD_ID), + REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1, + WGP_ID)); + if (context_id0 & SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV_MASK) { + if (kfd_set_dbg_ev_from_interrupt(dev, pasid, + KFD_DEBUG_DOORBELL_ID(context_id0), + KFD_DEBUG_TRAP_CODE(context_id0), + NULL, 0)) + return; + } + break; + case SQ_INTERRUPT_WORD_ENCODING_ERROR: + sq_intr_err_type = REG_GET_FIELD(context_id0, KFD_CTXID0, + ERR_TYPE); + pr_warn("sq_intr: error, se %d, data 0x%x, sa %d, priv %d, wave_id %d, simd_id %d, wgp_id %d, err_type %d\n", + REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1, + SE_ID), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, + DATA), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, + SA_ID), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, + PRIV), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, + WAVE_ID), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, + SIMD_ID), + REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1, + WGP_ID), + sq_intr_err_type); + if (sq_intr_err_type != SQ_INTERRUPT_ERROR_TYPE_ILLEGAL_INST && + sq_intr_err_type != SQ_INTERRUPT_ERROR_TYPE_MEMVIOL) { + event_interrupt_poison_consumption(dev, pasid, source_id); + return; + } + break; + default: + break; + } + kfd_signal_event_interrupt(pasid, context_id0 & 0x7fffff, 23); + } else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE) { + kfd_set_dbg_ev_from_interrupt(dev, pasid, + KFD_DEBUG_DOORBELL_ID(context_id0), + KFD_EC_MASK(KFD_DEBUG_CP_BAD_OP_ECODE(context_id0)), + NULL, + 0); + } + } else if (client_id == SOC15_IH_CLIENTID_SDMA0 || + client_id == SOC15_IH_CLIENTID_SDMA1 || + client_id == SOC15_IH_CLIENTID_SDMA2 || + client_id == SOC15_IH_CLIENTID_SDMA3 || + (client_id == SOC15_IH_CLIENTID_SDMA3_Sienna_Cichlid && + KFD_GC_VERSION(dev) == IP_VERSION(10, 3, 0)) || + client_id == SOC15_IH_CLIENTID_SDMA4 || + client_id == SOC15_IH_CLIENTID_SDMA5 || + client_id == SOC15_IH_CLIENTID_SDMA6 || + client_id == SOC15_IH_CLIENTID_SDMA7) { + if (source_id == SOC15_INTSRC_SDMA_TRAP) { + kfd_signal_event_interrupt(pasid, context_id0 & 0xfffffff, 28); + } else if (source_id == SOC15_INTSRC_SDMA_ECC) { + event_interrupt_poison_consumption(dev, pasid, source_id); + return; + } + } else if (client_id == SOC15_IH_CLIENTID_VMC || + client_id == SOC15_IH_CLIENTID_VMC1 || + client_id == SOC15_IH_CLIENTID_UTCL2) { + struct kfd_vm_fault_info info = {0}; + uint16_t ring_id = SOC15_RING_ID_FROM_IH_ENTRY(ih_ring_entry); + struct kfd_hsa_memory_exception_data exception_data; + + if (client_id == SOC15_IH_CLIENTID_UTCL2 && + amdgpu_amdkfd_ras_query_utcl2_poison_status(dev->adev)) { + event_interrupt_poison_consumption(dev, pasid, client_id); + return; + } + + info.vmid = vmid; + info.mc_id = client_id; + info.page_addr = ih_ring_entry[4] | + (uint64_t)(ih_ring_entry[5] & 0xf) << 32; + info.prot_valid = ring_id & 0x08; + info.prot_read = ring_id & 0x10; + info.prot_write = ring_id & 0x20; + + memset(&exception_data, 0, sizeof(exception_data)); + exception_data.gpu_id = dev->id; + exception_data.va = (info.page_addr) << PAGE_SHIFT; + exception_data.failure.NotPresent = info.prot_valid ? 1 : 0; + exception_data.failure.NoExecute = info.prot_exec ? 1 : 0; + exception_data.failure.ReadOnly = info.prot_write ? 1 : 0; + exception_data.failure.imprecise = 0; + + kfd_set_dbg_ev_from_interrupt(dev, + pasid, + -1, + KFD_EC_MASK(EC_DEVICE_MEMORY_VIOLATION), + &exception_data, + sizeof(exception_data)); + } else if (KFD_IRQ_IS_FENCE(client_id, source_id)) { + kfd_process_close_interrupt_drain(pasid); + } +} + +const struct kfd_event_interrupt_class event_interrupt_class_v10 = { + .interrupt_isr = event_interrupt_isr_v10, + .interrupt_wq = event_interrupt_wq_v10, +}; |