diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c | 845 |
1 files changed, 0 insertions, 845 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c deleted file mode 100644 index 1e30717b5253..000000000000 --- a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c +++ /dev/null @@ -1,845 +0,0 @@ -/* - * 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/types.h> -#include <linux/kernel.h> -#include <linux/log2.h> -#include <linux/sched.h> -#include <linux/slab.h> -#include <linux/mutex.h> -#include <linux/device.h> - -#include "kfd_pm4_headers.h" -#include "kfd_pm4_headers_diq.h" -#include "kfd_kernel_queue.h" -#include "kfd_priv.h" -#include "kfd_pm4_opcodes.h" -#include "cik_regs.h" -#include "kfd_dbgmgr.h" -#include "kfd_dbgdev.h" -#include "kfd_device_queue_manager.h" - -static void dbgdev_address_watch_disable_nodiq(struct kfd_dev *dev) -{ - dev->kfd2kgd->address_watch_disable(dev->adev); -} - -static int dbgdev_diq_submit_ib(struct kfd_dbgdev *dbgdev, - u32 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; - - if (WARN_ON(!size_in_bytes)) - return -EINVAL; - - 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_acquire_packet_buffer(kq, - pq_packets_size_in_bytes / sizeof(uint32_t), - &ib_packet_buff); - if (status) { - pr_err("kq_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 / 4) & 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) { - pr_err("Failed to allocate GART memory\n"); - kq_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) / 4 - 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_submit_packet(kq); - - /* Wait till CP writes sync code: */ - status = amdkfd_fence_wait_timeout( - rm_state, - QUEUESTATE__ACTIVE, 1500); - - kfd_gtt_sa_free(dbgdev->dev, mem_obj); - - return status; -} - -static int dbgdev_register_nodiq(struct kfd_dbgdev *dbgdev) -{ - /* - * no action is needed in this case, - * just make sure diq will not be used - */ - - dbgdev->kq = NULL; - - return 0; -} - -static int dbgdev_register_diq(struct kfd_dbgdev *dbgdev) -{ - struct queue_properties properties; - unsigned int qid; - struct kernel_queue *kq = NULL; - int status; - - properties.type = KFD_QUEUE_TYPE_DIQ; - - status = pqm_create_queue(dbgdev->pqm, dbgdev->dev, NULL, - &properties, &qid, NULL); - - if (status) { - pr_err("Failed to create DIQ\n"); - return status; - } - - pr_debug("DIQ Created with queue id: %d\n", qid); - - kq = pqm_get_kernel_queue(dbgdev->pqm, qid); - - if (!kq) { - pr_err("Error getting DIQ\n"); - pqm_destroy_queue(dbgdev->pqm, qid); - return -EFAULT; - } - - dbgdev->kq = kq; - - return status; -} - -static int dbgdev_unregister_nodiq(struct kfd_dbgdev *dbgdev) -{ - /* disable watch address */ - dbgdev_address_watch_disable_nodiq(dbgdev->dev); - return 0; -} - -static int dbgdev_unregister_diq(struct kfd_dbgdev *dbgdev) -{ - /* todo - disable address watch */ - int status; - - status = pqm_destroy_queue(dbgdev->pqm, - dbgdev->kq->queue->properties.queue_id); - dbgdev->kq = NULL; - - return status; -} - -static void dbgdev_address_watch_set_registers( - const struct dbg_address_watch_info *adw_info, - union TCP_WATCH_ADDR_H_BITS *addrHi, - union TCP_WATCH_ADDR_L_BITS *addrLo, - union TCP_WATCH_CNTL_BITS *cntl, - unsigned int index, unsigned int vmid) -{ - union ULARGE_INTEGER addr; - - addr.quad_part = 0; - addrHi->u32All = 0; - addrLo->u32All = 0; - cntl->u32All = 0; - - if (adw_info->watch_mask) - cntl->bitfields.mask = - (uint32_t) (adw_info->watch_mask[index] & - ADDRESS_WATCH_REG_CNTL_DEFAULT_MASK); - else - cntl->bitfields.mask = ADDRESS_WATCH_REG_CNTL_DEFAULT_MASK; - - addr.quad_part = (unsigned long long) adw_info->watch_address[index]; - - addrHi->bitfields.addr = addr.u.high_part & - ADDRESS_WATCH_REG_ADDHIGH_MASK; - addrLo->bitfields.addr = - (addr.u.low_part >> ADDRESS_WATCH_REG_ADDLOW_SHIFT); - - cntl->bitfields.mode = adw_info->watch_mode[index]; - cntl->bitfields.vmid = (uint32_t) vmid; - /* for now assume it is an ATC address */ - cntl->u32All |= ADDRESS_WATCH_REG_CNTL_ATC_BIT; - - pr_debug("\t\t%20s %08x\n", "set reg mask :", cntl->bitfields.mask); - pr_debug("\t\t%20s %08x\n", "set reg add high :", - addrHi->bitfields.addr); - pr_debug("\t\t%20s %08x\n", "set reg add low :", - addrLo->bitfields.addr); -} - -static int dbgdev_address_watch_nodiq(struct kfd_dbgdev *dbgdev, - struct dbg_address_watch_info *adw_info) -{ - union TCP_WATCH_ADDR_H_BITS addrHi; - union TCP_WATCH_ADDR_L_BITS addrLo; - union TCP_WATCH_CNTL_BITS cntl; - struct kfd_process_device *pdd; - unsigned int i; - - /* taking the vmid for that process on the safe way using pdd */ - pdd = kfd_get_process_device_data(dbgdev->dev, - adw_info->process); - if (!pdd) { - pr_err("Failed to get pdd for wave control no DIQ\n"); - return -EFAULT; - } - - 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("num_watch_points is invalid\n"); - return -EINVAL; - } - - if (!adw_info->watch_mode || !adw_info->watch_address) { - pr_err("adw_info fields are not valid\n"); - return -EINVAL; - } - - for (i = 0; i < adw_info->num_watch_points; i++) { - dbgdev_address_watch_set_registers(adw_info, &addrHi, &addrLo, - &cntl, i, pdd->qpd.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 :", pdd->qpd.vmid); - 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", "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", "* * * * * * * * * * * * * * * * * *"); - - pdd->dev->kfd2kgd->address_watch_execute( - dbgdev->dev->adev, - i, - cntl.u32All, - addrHi.u32All, - addrLo.u32All); - } - - return 0; -} - -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; - - 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("num_watch_points is invalid\n"); - return -EINVAL; - } - - if (!adw_info->watch_mode || !adw_info->watch_address) { - pr_err("adw_info fields are not valid\n"); - return -EINVAL; - } - - status = kfd_gtt_sa_allocate(dbgdev->dev, ib_size, &mem_obj); - - if (status) { - pr_err("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->adev, - i, - ADDRESS_WATCH_REG_CNTL); - - 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->adev, - i, - ADDRESS_WATCH_REG_ADDR_HI); - - 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->adev, - i, - ADDRESS_WATCH_REG_ADDR_LO); - - 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->adev, - i, - ADDRESS_WATCH_REG_CNTL); - - 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) { - pr_err("Failed to submit IB to DIQ\n"); - break; - } - } - - kfd_gtt_sa_free(dbgdev->dev, mem_obj); - return status; -} - -static int dbgdev_wave_control_set_registers( - struct dbg_wave_control_info *wac_info, - union SQ_CMD_BITS *in_reg_sq_cmd, - union GRBM_GFX_INDEX_BITS *in_reg_gfx_index) -{ - int status = 0; - union SQ_CMD_BITS reg_sq_cmd; - union GRBM_GFX_INDEX_BITS reg_gfx_index; - struct HsaDbgWaveMsgAMDGen2 *pMsg; - - reg_sq_cmd.u32All = 0; - reg_gfx_index.u32All = 0; - pMsg = &wac_info->dbgWave_msg.DbgWaveMsg.WaveMsgInfoGen2; - - switch (wac_info->mode) { - /* Send command to single wave */ - case HSA_DBG_WAVEMODE_SINGLE: - /* - * Limit access to the process waves only, - * by setting vmid check - */ - reg_sq_cmd.bits.check_vmid = 1; - reg_sq_cmd.bits.simd_id = pMsg->ui32.SIMD; - reg_sq_cmd.bits.wave_id = pMsg->ui32.WaveId; - reg_sq_cmd.bits.mode = SQ_IND_CMD_MODE_SINGLE; - - reg_gfx_index.bits.sh_index = pMsg->ui32.ShaderArray; - reg_gfx_index.bits.se_index = pMsg->ui32.ShaderEngine; - reg_gfx_index.bits.instance_index = pMsg->ui32.HSACU; - - break; - - /* Send command to all waves with matching VMID */ - case HSA_DBG_WAVEMODE_BROADCAST_PROCESS: - - reg_gfx_index.bits.sh_broadcast_writes = 1; - reg_gfx_index.bits.se_broadcast_writes = 1; - reg_gfx_index.bits.instance_broadcast_writes = 1; - - reg_sq_cmd.bits.mode = SQ_IND_CMD_MODE_BROADCAST; - - break; - - /* Send command to all CU waves with matching VMID */ - case HSA_DBG_WAVEMODE_BROADCAST_PROCESS_CU: - - reg_sq_cmd.bits.check_vmid = 1; - reg_sq_cmd.bits.mode = SQ_IND_CMD_MODE_BROADCAST; - - reg_gfx_index.bits.sh_index = pMsg->ui32.ShaderArray; - reg_gfx_index.bits.se_index = pMsg->ui32.ShaderEngine; - reg_gfx_index.bits.instance_index = pMsg->ui32.HSACU; - - break; - - default: - return -EINVAL; - } - - switch (wac_info->operand) { - case HSA_DBG_WAVEOP_HALT: - reg_sq_cmd.bits.cmd = SQ_IND_CMD_CMD_HALT; - break; - - case HSA_DBG_WAVEOP_RESUME: - reg_sq_cmd.bits.cmd = SQ_IND_CMD_CMD_RESUME; - break; - - case HSA_DBG_WAVEOP_KILL: - reg_sq_cmd.bits.cmd = SQ_IND_CMD_CMD_KILL; - break; - - case HSA_DBG_WAVEOP_DEBUG: - reg_sq_cmd.bits.cmd = SQ_IND_CMD_CMD_DEBUG; - break; - - case HSA_DBG_WAVEOP_TRAP: - if (wac_info->trapId < MAX_TRAPID) { - reg_sq_cmd.bits.cmd = SQ_IND_CMD_CMD_TRAP; - reg_sq_cmd.bits.trap_id = wac_info->trapId; - } else { - status = -EINVAL; - } - break; - - default: - status = -EINVAL; - break; - } - - if (status == 0) { - *in_reg_sq_cmd = reg_sq_cmd; - *in_reg_gfx_index = reg_gfx_index; - } - - return status; -} - -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; - - reg_sq_cmd.u32All = 0; - - status = dbgdev_wave_control_set_registers(wac_info, ®_sq_cmd, - ®_gfx_index); - if (status) { - pr_err("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("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 / 4 - 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 / 4 - 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 / 4 - 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) - pr_err("Failed to submit IB to DIQ\n"); - - kfd_gtt_sa_free(dbgdev->dev, mem_obj); - - return status; -} - -static int dbgdev_wave_control_nodiq(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_process_device *pdd; - - reg_sq_cmd.u32All = 0; - - /* taking the VMID for that process on the safe way using PDD */ - pdd = kfd_get_process_device_data(dbgdev->dev, wac_info->process); - - if (!pdd) { - pr_err("Failed to get pdd for wave control no DIQ\n"); - return -EFAULT; - } - status = dbgdev_wave_control_set_registers(wac_info, ®_sq_cmd, - ®_gfx_index); - if (status) { - pr_err("Failed to set wave control registers\n"); - return status; - } - - /* for non DIQ we need to patch the VMID: */ - - reg_sq_cmd.bits.vm_id = pdd->qpd.vmid; - - 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: %u\n", pdd->qpd.vmid); - - 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", "* * * * * * * * * * * * * * * * * *"); - - return dbgdev->dev->kfd2kgd->wave_control_execute(dbgdev->dev->adev, - reg_gfx_index.u32All, - reg_sq_cmd.u32All); -} - -int dbgdev_wave_reset_wavefronts(struct kfd_dev *dev, struct kfd_process *p) -{ - int status = 0; - unsigned int vmid; - uint16_t queried_pasid; - union SQ_CMD_BITS reg_sq_cmd; - union GRBM_GFX_INDEX_BITS reg_gfx_index; - struct kfd_process_device *pdd; - struct dbg_wave_control_info wac_info; - int first_vmid_to_scan = dev->vm_info.first_vmid_kfd; - int last_vmid_to_scan = dev->vm_info.last_vmid_kfd; - - reg_sq_cmd.u32All = 0; - status = 0; - - wac_info.mode = HSA_DBG_WAVEMODE_BROADCAST_PROCESS; - wac_info.operand = HSA_DBG_WAVEOP_KILL; - - pr_debug("Killing all process wavefronts\n"); - - /* Scan all registers in the range ATC_VMID8_PASID_MAPPING .. - * ATC_VMID15_PASID_MAPPING - * to check which VMID the current process is mapped to. - */ - - for (vmid = first_vmid_to_scan; vmid <= last_vmid_to_scan; vmid++) { - status = dev->kfd2kgd->get_atc_vmid_pasid_mapping_info - (dev->adev, vmid, &queried_pasid); - - if (status && queried_pasid == p->pasid) { - pr_debug("Killing wave fronts of vmid %d and pasid 0x%x\n", - vmid, p->pasid); - break; - } - } - - if (vmid > last_vmid_to_scan) { - pr_err("Didn't find vmid for pasid 0x%x\n", p->pasid); - return -EFAULT; - } - - /* taking the VMID for that process on the safe way using PDD */ - pdd = kfd_get_process_device_data(dev, p); - if (!pdd) - return -EFAULT; - - status = dbgdev_wave_control_set_registers(&wac_info, ®_sq_cmd, - ®_gfx_index); - if (status != 0) - return -EINVAL; - - /* for non DIQ we need to patch the VMID: */ - reg_sq_cmd.bits.vm_id = vmid; - - dev->kfd2kgd->wave_control_execute(dev->adev, - reg_gfx_index.u32All, - reg_sq_cmd.u32All); - - return 0; -} - -void kfd_dbgdev_init(struct kfd_dbgdev *pdbgdev, struct kfd_dev *pdev, - enum DBGDEV_TYPE type) -{ - pdbgdev->dev = pdev; - pdbgdev->kq = NULL; - pdbgdev->type = type; - pdbgdev->pqm = NULL; - - switch (type) { - case DBGDEV_TYPE_NODIQ: - pdbgdev->dbgdev_register = dbgdev_register_nodiq; - pdbgdev->dbgdev_unregister = dbgdev_unregister_nodiq; - pdbgdev->dbgdev_wave_control = dbgdev_wave_control_nodiq; - pdbgdev->dbgdev_address_watch = dbgdev_address_watch_nodiq; - break; - case DBGDEV_TYPE_DIQ: - default: - pdbgdev->dbgdev_register = dbgdev_register_diq; - pdbgdev->dbgdev_unregister = dbgdev_unregister_diq; - pdbgdev->dbgdev_wave_control = dbgdev_wave_control_diq; - pdbgdev->dbgdev_address_watch = dbgdev_address_watch_diq; - break; - } - -} |