diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_int_process_v11.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_int_process_v11.c | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v11.c b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v11.c new file mode 100644 index 000000000000..0d53f6067422 --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v11.c @@ -0,0 +1,384 @@ +/* + * Copyright 2021 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_priv.h" +#include "kfd_events.h" +#include "soc15_int.h" +#include "kfd_device_queue_manager.h" +#include "ivsrcid/vmc/irqsrcs_vmc_1_0.h" +#include "kfd_smi_events.h" + +/* + * GFX11 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[26] + * PRIV bit indicates that Wave S_SEND or error occurred within trap + * + * - context_id0[24:0] + * 25-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 (context_id0[23:0]) + * Error - Error Type (context_id0[24:21]), Error Details (context_id0[20:0]) + * + * 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_BUF_FULL__SHIFT 2 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__REG_TIMESTAMP__SHIFT 3 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__CMD_TIMESTAMP__SHIFT 4 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__HOST_CMD_OVERFLOW__SHIFT 5 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__HOST_REG_OVERFLOW__SHIFT 6 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__IMMED_OVERFLOW__SHIFT 7 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_UTC_ERROR__SHIFT 8 +#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_BUF_FULL_MASK 0x00000004 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__REG_TIMESTAMP_MASK 0x00000008 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__CMD_TIMESTAMP_MASK 0x00000010 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__HOST_CMD_OVERFLOW_MASK 0x00000020 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__HOST_REG_OVERFLOW_MASK 0x00000040 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__IMMED_OVERFLOW_MASK 0x00000080 +#define SQ_INTERRUPT_WORD_AUTO_CTXID0__THREAD_TRACE_UTC_ERROR_MASK 0x00000100 +#define SQ_INTERRUPT_WORD_AUTO_CTXID1__ENCODING_MASK 0x000000c0 + +/* SQ_INTERRUPT_WORD_WAVE_CTXID */ +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__DATA__SHIFT 0 +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SH_ID__SHIFT 25 +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV__SHIFT 26 +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__WAVE_ID__SHIFT 27 +#define SQ_INTERRUPT_WORD_WAVE_CTXID1__SIMD_ID__SHIFT 0 +#define SQ_INTERRUPT_WORD_WAVE_CTXID1__WGP_ID__SHIFT 2 +#define SQ_INTERRUPT_WORD_WAVE_CTXID1__ENCODING__SHIFT 6 + +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__DATA_MASK 0x00ffffff /* [23:0] */ +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__SH_ID_MASK 0x02000000 /* [25] */ +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__PRIV_MASK 0x04000000 /* [26] */ +#define SQ_INTERRUPT_WORD_WAVE_CTXID0__WAVE_ID_MASK 0xf8000000 /* [31:27] */ +#define SQ_INTERRUPT_WORD_WAVE_CTXID1__SIMD_ID_MASK 0x00000003 /* [33:32] */ +#define SQ_INTERRUPT_WORD_WAVE_CTXID1__WGP_ID_MASK 0x0000003c /* [37:34] */ +#define SQ_INTERRUPT_WORD_WAVE_CTXID1__ENCODING_MASK 0x000000c0 /* [39:38] */ + +/* SQ_INTERRUPT_WORD_ERROR_CTXID */ +#define SQ_INTERRUPT_WORD_ERROR_CTXID0__DETAIL__SHIFT 0 +#define SQ_INTERRUPT_WORD_ERROR_CTXID0__TYPE__SHIFT 21 +#define SQ_INTERRUPT_WORD_ERROR_CTXID0__SH_ID__SHIFT 25 +#define SQ_INTERRUPT_WORD_ERROR_CTXID0__PRIV__SHIFT 26 +#define SQ_INTERRUPT_WORD_ERROR_CTXID0__WAVE_ID__SHIFT 27 +#define SQ_INTERRUPT_WORD_ERROR_CTXID1__SIMD_ID__SHIFT 0 +#define SQ_INTERRUPT_WORD_ERROR_CTXID1__WGP_ID__SHIFT 2 +#define SQ_INTERRUPT_WORD_ERROR_CTXID1__ENCODING__SHIFT 6 + +#define SQ_INTERRUPT_WORD_ERROR_CTXID0__DETAIL_MASK 0x001fffff /* [20:0] */ +#define SQ_INTERRUPT_WORD_ERROR_CTXID0__TYPE_MASK 0x01e00000 /* [24:21] */ +#define SQ_INTERRUPT_WORD_ERROR_CTXID0__SH_ID_MASK 0x02000000 /* [25] */ +#define SQ_INTERRUPT_WORD_ERROR_CTXID0__PRIV_MASK 0x04000000 /* [26] */ +#define SQ_INTERRUPT_WORD_ERROR_CTXID0__WAVE_ID_MASK 0xf8000000 /* [31:27] */ +#define SQ_INTERRUPT_WORD_ERROR_CTXID1__SIMD_ID_MASK 0x00000003 /* [33:32] */ +#define SQ_INTERRUPT_WORD_ERROR_CTXID1__WGP_ID_MASK 0x0000003c /* [37:34] */ +#define SQ_INTERRUPT_WORD_ERROR_CTXID1__ENCODING_MASK 0x000000c0 /* [39:38] */ + +/* + * 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_CTXID0_TRAP_CODE_SHIFT 10 +#define KFD_CTXID0_TRAP_CODE_MASK 0xfffc00 +#define KFD_CTXID0_CP_BAD_OP_ECODE_MASK 0x3ffffff +#define KFD_CTXID0_DOORBELL_ID_MASK 0x0003ff + +#define KFD_CTXID0_TRAP_CODE(ctxid0) (((ctxid0) & \ + KFD_CTXID0_TRAP_CODE_MASK) >> \ + KFD_CTXID0_TRAP_CODE_SHIFT) +#define KFD_CTXID0_CP_BAD_OP_ECODE(ctxid0) (((ctxid0) & \ + KFD_CTXID0_CP_BAD_OP_ECODE_MASK) >> \ + KFD_CTXID0_TRAP_CODE_SHIFT) +#define KFD_CTXID0_DOORBELL_ID(ctxid0) ((ctxid0) & \ + KFD_CTXID0_DOORBELL_ID_MASK) + +static void print_sq_intr_info_auto(uint32_t context_id0, uint32_t context_id1) +{ + pr_debug( + "sq_intr: auto, ttrace %d, wlt %d, ttrace_buf_full %d, reg_tms %d, cmd_tms %d, host_cmd_ovf %d, host_reg_ovf %d, immed_ovf %d, ttrace_utc_err %d\n", + 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_BUF_FULL), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, REG_TIMESTAMP), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, CMD_TIMESTAMP), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, HOST_CMD_OVERFLOW), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, HOST_REG_OVERFLOW), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, IMMED_OVERFLOW), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_AUTO_CTXID0, THREAD_TRACE_UTC_ERROR)); +} + +static void print_sq_intr_info_inst(uint32_t context_id0, uint32_t context_id1) +{ + pr_debug( + "sq_intr: inst, data 0x%08x, sh %d, priv %d, wave_id %d, simd_id %d, wgp_id %d\n", + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, DATA), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_WAVE_CTXID0, SH_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_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1, SIMD_ID), + REG_GET_FIELD(context_id1, SQ_INTERRUPT_WORD_WAVE_CTXID1, WGP_ID)); +} + +static void print_sq_intr_info_error(uint32_t context_id0, uint32_t context_id1) +{ + pr_warn( + "sq_intr: error, detail 0x%08x, type %d, sh %d, priv %d, wave_id %d, simd_id %d, wgp_id %d\n", + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID0, DETAIL), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID0, TYPE), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID0, SH_ID), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID0, PRIV), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID0, WAVE_ID), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID1, SIMD_ID), + REG_GET_FIELD(context_id0, SQ_INTERRUPT_WORD_ERROR_CTXID1, WGP_ID)); +} + +static void event_interrupt_poison_consumption_v11(struct kfd_dev *dev, + uint16_t pasid, uint16_t source_id) +{ + int 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 */ + if (atomic_read(&p->poison)) { + kfd_unref_process(p); + return; + } + + atomic_set(&p->poison, 1); + kfd_unref_process(p); + + switch (source_id) { + case SOC15_INTSRC_SQ_INTERRUPT_MSG: + if (dev->dqm->ops.reset_queues) + ret = dev->dqm->ops.reset_queues(dev->dqm, pasid); + break; + case SOC21_INTSRC_SDMA_ECC: + 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) + amdgpu_amdkfd_ras_poison_consumption_handler(dev->adev, false); + else + amdgpu_amdkfd_ras_poison_consumption_handler(dev->adev, true); +} + +static bool event_interrupt_isr_v11(struct kfd_dev *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; + uint32_t context_id0; + + 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); + context_id0 = SOC15_CONTEXT_ID0_FROM_IH_ENTRY(ih_ring_entry); + + if ((source_id == SOC15_INTSRC_CP_END_OF_PIPE) && + (context_id0 & AMDGPU_FENCE_MES_QUEUE_FLAG)) + 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 false; + + /* 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_SQ_INTERRUPT_MSG || + source_id == SOC15_INTSRC_CP_BAD_OPCODE || + source_id == SOC21_INTSRC_SDMA_TRAP || + /* KFD_IRQ_IS_FENCE(client_id, source_id) || */ + (((client_id == SOC21_IH_CLIENTID_VMC) || + ((client_id == SOC21_IH_CLIENTID_GFX) && + (source_id == UTCL2_1_0__SRCID__FAULT))) && + !amdgpu_no_queue_eviction_on_vm_fault); +} + +static void event_interrupt_wq_v11(struct kfd_dev *dev, + const uint32_t *ih_ring_entry) +{ + uint16_t source_id, client_id, ring_id, pasid, vmid; + uint32_t context_id0, context_id1; + uint8_t sq_int_enc, sq_int_errtype, sq_int_priv; + struct kfd_vm_fault_info info = {0}; + struct kfd_hsa_memory_exception_data exception_data; + + source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry); + client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry); + ring_id = SOC15_RING_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); + + /* VMC, UTCL2 */ + if (client_id == SOC21_IH_CLIENTID_VMC || + ((client_id == SOC21_IH_CLIENTID_GFX) && + (source_id == UTCL2_1_0__SRCID__FAULT))) { + + 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));*/ + kfd_smi_event_update_vmfault(dev, pasid); + + /* GRBM, SDMA, SE, PMM */ + } else if (client_id == SOC21_IH_CLIENTID_GRBM_CP || + client_id == SOC21_IH_CLIENTID_GFX) { + + /* CP */ + if (source_id == SOC15_INTSRC_CP_END_OF_PIPE) + kfd_signal_event_interrupt(pasid, context_id0, 32); + /*else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE) + kfd_set_dbg_ev_from_interrupt(dev, pasid, + KFD_CTXID0_DOORBELL_ID(context_id0), + KFD_EC_MASK(KFD_CTXID0_CP_BAD_OP_ECODE(context_id0)), + NULL, 0);*/ + + /* SDMA */ + else if (source_id == SOC21_INTSRC_SDMA_TRAP) + kfd_signal_event_interrupt(pasid, context_id0 & 0xfffffff, 28); + else if (source_id == SOC21_INTSRC_SDMA_ECC) { + event_interrupt_poison_consumption_v11(dev, pasid, source_id); + return; + } + + /* SQ */ + else if (source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG) { + sq_int_enc = REG_GET_FIELD(context_id1, + SQ_INTERRUPT_WORD_WAVE_CTXID1, ENCODING); + switch (sq_int_enc) { + case SQ_INTERRUPT_WORD_ENCODING_AUTO: + print_sq_intr_info_auto(context_id0, context_id1); + break; + case SQ_INTERRUPT_WORD_ENCODING_INST: + print_sq_intr_info_inst(context_id0, context_id1); + sq_int_priv = REG_GET_FIELD(context_id0, + SQ_INTERRUPT_WORD_WAVE_CTXID0, PRIV); + /*if (sq_int_priv && (kfd_set_dbg_ev_from_interrupt(dev, pasid, + KFD_CTXID0_DOORBELL_ID(context_id0), + KFD_CTXID0_TRAP_CODE(context_id0), + NULL, 0))) + return;*/ + break; + case SQ_INTERRUPT_WORD_ENCODING_ERROR: + print_sq_intr_info_error(context_id0, context_id1); + sq_int_errtype = REG_GET_FIELD(context_id0, + SQ_INTERRUPT_WORD_ERROR_CTXID0, TYPE); + if (sq_int_errtype != SQ_INTERRUPT_ERROR_TYPE_ILLEGAL_INST && + sq_int_errtype != SQ_INTERRUPT_ERROR_TYPE_MEMVIOL) { + event_interrupt_poison_consumption_v11( + dev, pasid, source_id); + return; + } + break; + default: + break; + } + kfd_signal_event_interrupt(pasid, context_id0 & 0xffffff, 24); + } + + /*} 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_v11 = { + .interrupt_isr = event_interrupt_isr_v11, + .interrupt_wq = event_interrupt_wq_v11, +}; |