diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/debugfs.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/debugfs.c | 1948 |
1 files changed, 0 insertions, 1948 deletions
diff --git a/drivers/misc/habanalabs/common/debugfs.c b/drivers/misc/habanalabs/common/debugfs.c deleted file mode 100644 index 945c0e6758ca..000000000000 --- a/drivers/misc/habanalabs/common/debugfs.c +++ /dev/null @@ -1,1948 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -/* - * Copyright 2016-2021 HabanaLabs, Ltd. - * All Rights Reserved. - */ - -#include "habanalabs.h" -#include "../include/hw_ip/mmu/mmu_general.h" - -#include <linux/pci.h> -#include <linux/uaccess.h> -#include <linux/vmalloc.h> -#include <linux/iommu.h> - -#define MMU_ADDR_BUF_SIZE 40 -#define MMU_ASID_BUF_SIZE 10 -#define MMU_KBUF_SIZE (MMU_ADDR_BUF_SIZE + MMU_ASID_BUF_SIZE) -#define I2C_MAX_TRANSACTION_LEN 8 - -static struct dentry *hl_debug_root; - -static int hl_debugfs_i2c_read(struct hl_device *hdev, u8 i2c_bus, u8 i2c_addr, - u8 i2c_reg, u8 i2c_len, u64 *val) -{ - struct cpucp_packet pkt; - int rc; - - if (!hl_device_operational(hdev, NULL)) - return -EBUSY; - - if (i2c_len > I2C_MAX_TRANSACTION_LEN) { - dev_err(hdev->dev, "I2C transaction length %u, exceeds maximum of %u\n", - i2c_len, I2C_MAX_TRANSACTION_LEN); - return -EINVAL; - } - - memset(&pkt, 0, sizeof(pkt)); - - pkt.ctl = cpu_to_le32(CPUCP_PACKET_I2C_RD << - CPUCP_PKT_CTL_OPCODE_SHIFT); - pkt.i2c_bus = i2c_bus; - pkt.i2c_addr = i2c_addr; - pkt.i2c_reg = i2c_reg; - pkt.i2c_len = i2c_len; - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, val); - if (rc) - dev_err(hdev->dev, "Failed to read from I2C, error %d\n", rc); - - return rc; -} - -static int hl_debugfs_i2c_write(struct hl_device *hdev, u8 i2c_bus, u8 i2c_addr, - u8 i2c_reg, u8 i2c_len, u64 val) -{ - struct cpucp_packet pkt; - int rc; - - if (!hl_device_operational(hdev, NULL)) - return -EBUSY; - - if (i2c_len > I2C_MAX_TRANSACTION_LEN) { - dev_err(hdev->dev, "I2C transaction length %u, exceeds maximum of %u\n", - i2c_len, I2C_MAX_TRANSACTION_LEN); - return -EINVAL; - } - - memset(&pkt, 0, sizeof(pkt)); - - pkt.ctl = cpu_to_le32(CPUCP_PACKET_I2C_WR << - CPUCP_PKT_CTL_OPCODE_SHIFT); - pkt.i2c_bus = i2c_bus; - pkt.i2c_addr = i2c_addr; - pkt.i2c_reg = i2c_reg; - pkt.i2c_len = i2c_len; - pkt.value = cpu_to_le64(val); - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, NULL); - - if (rc) - dev_err(hdev->dev, "Failed to write to I2C, error %d\n", rc); - - return rc; -} - -static void hl_debugfs_led_set(struct hl_device *hdev, u8 led, u8 state) -{ - struct cpucp_packet pkt; - int rc; - - if (!hl_device_operational(hdev, NULL)) - return; - - memset(&pkt, 0, sizeof(pkt)); - - pkt.ctl = cpu_to_le32(CPUCP_PACKET_LED_SET << - CPUCP_PKT_CTL_OPCODE_SHIFT); - pkt.led_index = cpu_to_le32(led); - pkt.value = cpu_to_le64(state); - - rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), - 0, NULL); - - if (rc) - dev_err(hdev->dev, "Failed to set LED %d, error %d\n", led, rc); -} - -static int command_buffers_show(struct seq_file *s, void *data) -{ - struct hl_debugfs_entry *entry = s->private; - struct hl_dbg_device_entry *dev_entry = entry->dev_entry; - struct hl_cb *cb; - bool first = true; - - spin_lock(&dev_entry->cb_spinlock); - - list_for_each_entry(cb, &dev_entry->cb_list, debugfs_list) { - if (first) { - first = false; - seq_puts(s, "\n"); - seq_puts(s, " CB ID CTX ID CB size CB RefCnt mmap? CS counter\n"); - seq_puts(s, "---------------------------------------------------------------\n"); - } - seq_printf(s, - " %03llu %d 0x%08x %d %d %d\n", - cb->buf->handle, cb->ctx->asid, cb->size, - kref_read(&cb->buf->refcount), - atomic_read(&cb->buf->mmap), atomic_read(&cb->cs_cnt)); - } - - spin_unlock(&dev_entry->cb_spinlock); - - if (!first) - seq_puts(s, "\n"); - - return 0; -} - -static int command_submission_show(struct seq_file *s, void *data) -{ - struct hl_debugfs_entry *entry = s->private; - struct hl_dbg_device_entry *dev_entry = entry->dev_entry; - struct hl_cs *cs; - bool first = true; - - spin_lock(&dev_entry->cs_spinlock); - - list_for_each_entry(cs, &dev_entry->cs_list, debugfs_list) { - if (first) { - first = false; - seq_puts(s, "\n"); - seq_puts(s, " CS ID CS TYPE CTX ASID CS RefCnt Submitted Completed\n"); - seq_puts(s, "----------------------------------------------------------------\n"); - } - seq_printf(s, - " %llu %d %d %d %d %d\n", - cs->sequence, cs->type, cs->ctx->asid, - kref_read(&cs->refcount), - cs->submitted, cs->completed); - } - - spin_unlock(&dev_entry->cs_spinlock); - - if (!first) - seq_puts(s, "\n"); - - return 0; -} - -static int command_submission_jobs_show(struct seq_file *s, void *data) -{ - struct hl_debugfs_entry *entry = s->private; - struct hl_dbg_device_entry *dev_entry = entry->dev_entry; - struct hl_cs_job *job; - bool first = true; - - spin_lock(&dev_entry->cs_job_spinlock); - - list_for_each_entry(job, &dev_entry->cs_job_list, debugfs_list) { - if (first) { - first = false; - seq_puts(s, "\n"); - seq_puts(s, " JOB ID CS ID CS TYPE CTX ASID JOB RefCnt H/W Queue\n"); - seq_puts(s, "---------------------------------------------------------------\n"); - } - if (job->cs) - seq_printf(s, - " %02d %llu %d %d %d %d\n", - job->id, job->cs->sequence, job->cs->type, - job->cs->ctx->asid, kref_read(&job->refcount), - job->hw_queue_id); - else - seq_printf(s, - " %02d 0 0 %d %d %d\n", - job->id, HL_KERNEL_ASID_ID, - kref_read(&job->refcount), job->hw_queue_id); - } - - spin_unlock(&dev_entry->cs_job_spinlock); - - if (!first) - seq_puts(s, "\n"); - - return 0; -} - -static int userptr_show(struct seq_file *s, void *data) -{ - struct hl_debugfs_entry *entry = s->private; - struct hl_dbg_device_entry *dev_entry = entry->dev_entry; - struct hl_userptr *userptr; - char dma_dir[4][30] = {"DMA_BIDIRECTIONAL", "DMA_TO_DEVICE", - "DMA_FROM_DEVICE", "DMA_NONE"}; - bool first = true; - - spin_lock(&dev_entry->userptr_spinlock); - - list_for_each_entry(userptr, &dev_entry->userptr_list, debugfs_list) { - if (first) { - first = false; - seq_puts(s, "\n"); - seq_puts(s, " pid user virtual address size dma dir\n"); - seq_puts(s, "----------------------------------------------------------\n"); - } - seq_printf(s, " %-7d 0x%-14llx %-10llu %-30s\n", - userptr->pid, userptr->addr, userptr->size, - dma_dir[userptr->dir]); - } - - spin_unlock(&dev_entry->userptr_spinlock); - - if (!first) - seq_puts(s, "\n"); - - return 0; -} - -static int vm_show(struct seq_file *s, void *data) -{ - struct hl_debugfs_entry *entry = s->private; - struct hl_dbg_device_entry *dev_entry = entry->dev_entry; - struct hl_vm_hw_block_list_node *lnode; - struct hl_ctx *ctx; - struct hl_vm *vm; - struct hl_vm_hash_node *hnode; - struct hl_userptr *userptr; - struct hl_vm_phys_pg_pack *phys_pg_pack = NULL; - struct hl_va_range *va_range; - struct hl_vm_va_block *va_block; - enum vm_type *vm_type; - bool once = true; - u64 j; - int i; - - if (!dev_entry->hdev->mmu_enable) - return 0; - - spin_lock(&dev_entry->ctx_mem_hash_spinlock); - - list_for_each_entry(ctx, &dev_entry->ctx_mem_hash_list, debugfs_list) { - once = false; - seq_puts(s, "\n\n----------------------------------------------------"); - seq_puts(s, "\n----------------------------------------------------\n\n"); - seq_printf(s, "ctx asid: %u\n", ctx->asid); - - seq_puts(s, "\nmappings:\n\n"); - seq_puts(s, " virtual address size handle\n"); - seq_puts(s, "----------------------------------------------------\n"); - mutex_lock(&ctx->mem_hash_lock); - hash_for_each(ctx->mem_hash, i, hnode, node) { - vm_type = hnode->ptr; - - if (*vm_type == VM_TYPE_USERPTR) { - userptr = hnode->ptr; - seq_printf(s, - " 0x%-14llx %-10llu\n", - hnode->vaddr, userptr->size); - } else { - phys_pg_pack = hnode->ptr; - seq_printf(s, - " 0x%-14llx %-10llu %-4u\n", - hnode->vaddr, phys_pg_pack->total_size, - phys_pg_pack->handle); - } - } - mutex_unlock(&ctx->mem_hash_lock); - - if (ctx->asid != HL_KERNEL_ASID_ID && - !list_empty(&ctx->hw_block_mem_list)) { - seq_puts(s, "\nhw_block mappings:\n\n"); - seq_puts(s, - " virtual address block size mapped size HW block id\n"); - seq_puts(s, - "---------------------------------------------------------------\n"); - mutex_lock(&ctx->hw_block_list_lock); - list_for_each_entry(lnode, &ctx->hw_block_mem_list, node) { - seq_printf(s, - " 0x%-14lx %-6u %-6u %-9u\n", - lnode->vaddr, lnode->block_size, lnode->mapped_size, - lnode->id); - } - mutex_unlock(&ctx->hw_block_list_lock); - } - - vm = &ctx->hdev->vm; - spin_lock(&vm->idr_lock); - - if (!idr_is_empty(&vm->phys_pg_pack_handles)) - seq_puts(s, "\n\nallocations:\n"); - - idr_for_each_entry(&vm->phys_pg_pack_handles, phys_pg_pack, i) { - if (phys_pg_pack->asid != ctx->asid) - continue; - - seq_printf(s, "\nhandle: %u\n", phys_pg_pack->handle); - seq_printf(s, "page size: %u\n\n", - phys_pg_pack->page_size); - seq_puts(s, " physical address\n"); - seq_puts(s, "---------------------\n"); - for (j = 0 ; j < phys_pg_pack->npages ; j++) { - seq_printf(s, " 0x%-14llx\n", - phys_pg_pack->pages[j]); - } - } - spin_unlock(&vm->idr_lock); - - } - - spin_unlock(&dev_entry->ctx_mem_hash_spinlock); - - ctx = hl_get_compute_ctx(dev_entry->hdev); - if (ctx) { - seq_puts(s, "\nVA ranges:\n\n"); - for (i = HL_VA_RANGE_TYPE_HOST ; i < HL_VA_RANGE_TYPE_MAX ; ++i) { - va_range = ctx->va_range[i]; - seq_printf(s, " va_range %d\n", i); - seq_puts(s, "---------------------\n"); - mutex_lock(&va_range->lock); - list_for_each_entry(va_block, &va_range->list, node) { - seq_printf(s, "%#16llx - %#16llx (%#llx)\n", - va_block->start, va_block->end, - va_block->size); - } - mutex_unlock(&va_range->lock); - seq_puts(s, "\n"); - } - hl_ctx_put(ctx); - } - - if (!once) - seq_puts(s, "\n"); - - return 0; -} - -static int userptr_lookup_show(struct seq_file *s, void *data) -{ - struct hl_debugfs_entry *entry = s->private; - struct hl_dbg_device_entry *dev_entry = entry->dev_entry; - struct scatterlist *sg; - struct hl_userptr *userptr; - bool first = true; - u64 total_npages, npages, sg_start, sg_end; - dma_addr_t dma_addr; - int i; - - spin_lock(&dev_entry->userptr_spinlock); - - list_for_each_entry(userptr, &dev_entry->userptr_list, debugfs_list) { - if (dev_entry->userptr_lookup >= userptr->addr && - dev_entry->userptr_lookup < userptr->addr + userptr->size) { - total_npages = 0; - for_each_sgtable_dma_sg(userptr->sgt, sg, i) { - npages = hl_get_sg_info(sg, &dma_addr); - sg_start = userptr->addr + - total_npages * PAGE_SIZE; - sg_end = userptr->addr + - (total_npages + npages) * PAGE_SIZE; - - if (dev_entry->userptr_lookup >= sg_start && - dev_entry->userptr_lookup < sg_end) { - dma_addr += (dev_entry->userptr_lookup - - sg_start); - if (first) { - first = false; - seq_puts(s, "\n"); - seq_puts(s, " user virtual address dma address pid region start region size\n"); - seq_puts(s, "---------------------------------------------------------------------------------------\n"); - } - seq_printf(s, " 0x%-18llx 0x%-16llx %-8u 0x%-16llx %-12llu\n", - dev_entry->userptr_lookup, - (u64)dma_addr, userptr->pid, - userptr->addr, userptr->size); - } - total_npages += npages; - } - } - } - - spin_unlock(&dev_entry->userptr_spinlock); - - if (!first) - seq_puts(s, "\n"); - - return 0; -} - -static ssize_t userptr_lookup_write(struct file *file, const char __user *buf, - size_t count, loff_t *f_pos) -{ - struct seq_file *s = file->private_data; - struct hl_debugfs_entry *entry = s->private; - struct hl_dbg_device_entry *dev_entry = entry->dev_entry; - ssize_t rc; - u64 value; - - rc = kstrtoull_from_user(buf, count, 16, &value); - if (rc) - return rc; - - dev_entry->userptr_lookup = value; - - return count; -} - -static int mmu_show(struct seq_file *s, void *data) -{ - struct hl_debugfs_entry *entry = s->private; - struct hl_dbg_device_entry *dev_entry = entry->dev_entry; - struct hl_device *hdev = dev_entry->hdev; - struct hl_ctx *ctx; - struct hl_mmu_hop_info hops_info = {0}; - u64 virt_addr = dev_entry->mmu_addr, phys_addr; - int i; - - if (!hdev->mmu_enable) - return 0; - - if (dev_entry->mmu_asid == HL_KERNEL_ASID_ID) - ctx = hdev->kernel_ctx; - else - ctx = hl_get_compute_ctx(hdev); - - if (!ctx) { - dev_err(hdev->dev, "no ctx available\n"); - return 0; - } - - if (hl_mmu_get_tlb_info(ctx, virt_addr, &hops_info)) { - dev_err(hdev->dev, "virt addr 0x%llx is not mapped to phys addr\n", - virt_addr); - goto put_ctx; - } - - hl_mmu_va_to_pa(ctx, virt_addr, &phys_addr); - - if (hops_info.scrambled_vaddr && - (dev_entry->mmu_addr != hops_info.scrambled_vaddr)) - seq_printf(s, - "asid: %u, virt_addr: 0x%llx, scrambled virt_addr: 0x%llx,\nphys_addr: 0x%llx, scrambled_phys_addr: 0x%llx\n", - dev_entry->mmu_asid, dev_entry->mmu_addr, - hops_info.scrambled_vaddr, - hops_info.unscrambled_paddr, phys_addr); - else - seq_printf(s, - "asid: %u, virt_addr: 0x%llx, phys_addr: 0x%llx\n", - dev_entry->mmu_asid, dev_entry->mmu_addr, phys_addr); - - for (i = 0 ; i < hops_info.used_hops ; i++) { - seq_printf(s, "hop%d_addr: 0x%llx\n", - i, hops_info.hop_info[i].hop_addr); - seq_printf(s, "hop%d_pte_addr: 0x%llx\n", - i, hops_info.hop_info[i].hop_pte_addr); - seq_printf(s, "hop%d_pte: 0x%llx\n", - i, hops_info.hop_info[i].hop_pte_val); - } - -put_ctx: - if (dev_entry->mmu_asid != HL_KERNEL_ASID_ID) - hl_ctx_put(ctx); - - return 0; -} - -static ssize_t mmu_asid_va_write(struct file *file, const char __user *buf, - size_t count, loff_t *f_pos) -{ - struct seq_file *s = file->private_data; - struct hl_debugfs_entry *entry = s->private; - struct hl_dbg_device_entry *dev_entry = entry->dev_entry; - struct hl_device *hdev = dev_entry->hdev; - char kbuf[MMU_KBUF_SIZE]; - char *c; - ssize_t rc; - - if (!hdev->mmu_enable) - return count; - - if (count > sizeof(kbuf) - 1) - goto err; - if (copy_from_user(kbuf, buf, count)) - goto err; - kbuf[count] = 0; - - c = strchr(kbuf, ' '); - if (!c) - goto err; - *c = '\0'; - - rc = kstrtouint(kbuf, 10, &dev_entry->mmu_asid); - if (rc) - goto err; - - if (strncmp(c+1, "0x", 2)) - goto err; - rc = kstrtoull(c+3, 16, &dev_entry->mmu_addr); - if (rc) - goto err; - - return count; - -err: - dev_err(hdev->dev, "usage: echo <asid> <0xaddr> > mmu\n"); - - return -EINVAL; -} - -static int mmu_ack_error(struct seq_file *s, void *data) -{ - struct hl_debugfs_entry *entry = s->private; - struct hl_dbg_device_entry *dev_entry = entry->dev_entry; - struct hl_device *hdev = dev_entry->hdev; - int rc; - - if (!hdev->mmu_enable) - return 0; - - if (!dev_entry->mmu_cap_mask) { - dev_err(hdev->dev, "mmu_cap_mask is not set\n"); - goto err; - } - - rc = hdev->asic_funcs->ack_mmu_errors(hdev, dev_entry->mmu_cap_mask); - if (rc) - goto err; - - return 0; -err: - return -EINVAL; -} - -static ssize_t mmu_ack_error_value_write(struct file *file, - const char __user *buf, - size_t count, loff_t *f_pos) -{ - struct seq_file *s = file->private_data; - struct hl_debugfs_entry *entry = s->private; - struct hl_dbg_device_entry *dev_entry = entry->dev_entry; - struct hl_device *hdev = dev_entry->hdev; - char kbuf[MMU_KBUF_SIZE]; - ssize_t rc; - - if (!hdev->mmu_enable) - return count; - - if (count > sizeof(kbuf) - 1) - goto err; - - if (copy_from_user(kbuf, buf, count)) - goto err; - - kbuf[count] = 0; - - if (strncmp(kbuf, "0x", 2)) - goto err; - - rc = kstrtoull(kbuf, 16, &dev_entry->mmu_cap_mask); - if (rc) - goto err; - - return count; -err: - dev_err(hdev->dev, "usage: echo <0xmmu_cap_mask > > mmu_error\n"); - - return -EINVAL; -} - -static int engines_show(struct seq_file *s, void *data) -{ - struct hl_debugfs_entry *entry = s->private; - struct hl_dbg_device_entry *dev_entry = entry->dev_entry; - struct hl_device *hdev = dev_entry->hdev; - struct engines_data eng_data; - - if (hdev->reset_info.in_reset) { - dev_warn_ratelimited(hdev->dev, - "Can't check device idle during reset\n"); - return 0; - } - - eng_data.actual_size = 0; - eng_data.allocated_buf_size = HL_ENGINES_DATA_MAX_SIZE; - eng_data.buf = vmalloc(eng_data.allocated_buf_size); - if (!eng_data.buf) - return -ENOMEM; - - hdev->asic_funcs->is_device_idle(hdev, NULL, 0, &eng_data); - - if (eng_data.actual_size > eng_data.allocated_buf_size) { - dev_err(hdev->dev, - "Engines data size (%d Bytes) is bigger than allocated size (%u Bytes)\n", - eng_data.actual_size, eng_data.allocated_buf_size); - vfree(eng_data.buf); - return -ENOMEM; - } - - seq_write(s, eng_data.buf, eng_data.actual_size); - - vfree(eng_data.buf); - - return 0; -} - -static ssize_t hl_memory_scrub(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u64 val = hdev->memory_scrub_val; - int rc; - - if (!hl_device_operational(hdev, NULL)) { - dev_warn_ratelimited(hdev->dev, "Can't scrub memory, device is not operational\n"); - return -EIO; - } - - mutex_lock(&hdev->fpriv_list_lock); - if (hdev->is_compute_ctx_active) { - mutex_unlock(&hdev->fpriv_list_lock); - dev_err(hdev->dev, "can't scrub dram, context exist\n"); - return -EBUSY; - } - hdev->is_in_dram_scrub = true; - mutex_unlock(&hdev->fpriv_list_lock); - - rc = hdev->asic_funcs->scrub_device_dram(hdev, val); - - mutex_lock(&hdev->fpriv_list_lock); - hdev->is_in_dram_scrub = false; - mutex_unlock(&hdev->fpriv_list_lock); - - if (rc) - return rc; - return count; -} - -static bool hl_is_device_va(struct hl_device *hdev, u64 addr) -{ - struct asic_fixed_properties *prop = &hdev->asic_prop; - - if (!hdev->mmu_enable) - goto out; - - if (prop->dram_supports_virtual_memory && - (addr >= prop->dmmu.start_addr && addr < prop->dmmu.end_addr)) - return true; - - if (addr >= prop->pmmu.start_addr && - addr < prop->pmmu.end_addr) - return true; - - if (addr >= prop->pmmu_huge.start_addr && - addr < prop->pmmu_huge.end_addr) - return true; -out: - return false; -} - -static bool hl_is_device_internal_memory_va(struct hl_device *hdev, u64 addr, - u32 size) -{ - struct asic_fixed_properties *prop = &hdev->asic_prop; - u64 dram_start_addr, dram_end_addr; - - if (!hdev->mmu_enable) - return false; - - if (prop->dram_supports_virtual_memory) { - dram_start_addr = prop->dmmu.start_addr; - dram_end_addr = prop->dmmu.end_addr; - } else { - dram_start_addr = prop->dram_base_address; - dram_end_addr = prop->dram_end_address; - } - - if (hl_mem_area_inside_range(addr, size, dram_start_addr, - dram_end_addr)) - return true; - - if (hl_mem_area_inside_range(addr, size, prop->sram_base_address, - prop->sram_end_address)) - return true; - - return false; -} - -static int device_va_to_pa(struct hl_device *hdev, u64 virt_addr, u32 size, - u64 *phys_addr) -{ - struct hl_vm_phys_pg_pack *phys_pg_pack; - struct hl_ctx *ctx; - struct hl_vm_hash_node *hnode; - u64 end_address, range_size; - struct hl_userptr *userptr; - enum vm_type *vm_type; - bool valid = false; - int i, rc = 0; - - ctx = hl_get_compute_ctx(hdev); - - if (!ctx) { - dev_err(hdev->dev, "no ctx available\n"); - return -EINVAL; - } - - /* Verify address is mapped */ - mutex_lock(&ctx->mem_hash_lock); - hash_for_each(ctx->mem_hash, i, hnode, node) { - vm_type = hnode->ptr; - - if (*vm_type == VM_TYPE_USERPTR) { - userptr = hnode->ptr; - range_size = userptr->size; - } else { - phys_pg_pack = hnode->ptr; - range_size = phys_pg_pack->total_size; - } - - end_address = virt_addr + size; - if ((virt_addr >= hnode->vaddr) && - (end_address <= hnode->vaddr + range_size)) { - valid = true; - break; - } - } - mutex_unlock(&ctx->mem_hash_lock); - - if (!valid) { - dev_err(hdev->dev, - "virt addr 0x%llx is not mapped\n", - virt_addr); - rc = -EINVAL; - goto put_ctx; - } - - rc = hl_mmu_va_to_pa(ctx, virt_addr, phys_addr); - if (rc) { - dev_err(hdev->dev, - "virt addr 0x%llx is not mapped to phys addr\n", - virt_addr); - rc = -EINVAL; - } - -put_ctx: - hl_ctx_put(ctx); - - return rc; -} - -static int hl_access_dev_mem_by_region(struct hl_device *hdev, u64 addr, - u64 *val, enum debugfs_access_type acc_type, bool *found) -{ - size_t acc_size = (acc_type == DEBUGFS_READ64 || acc_type == DEBUGFS_WRITE64) ? - sizeof(u64) : sizeof(u32); - struct pci_mem_region *mem_reg; - int i; - - for (i = 0; i < PCI_REGION_NUMBER; i++) { - mem_reg = &hdev->pci_mem_region[i]; - if (!mem_reg->used) - continue; - if (addr >= mem_reg->region_base && - addr <= mem_reg->region_base + mem_reg->region_size - acc_size) { - *found = true; - return hdev->asic_funcs->access_dev_mem(hdev, i, addr, val, acc_type); - } - } - return 0; -} - -static void hl_access_host_mem(struct hl_device *hdev, u64 addr, u64 *val, - enum debugfs_access_type acc_type) -{ - struct asic_fixed_properties *prop = &hdev->asic_prop; - u64 offset = prop->device_dma_offset_for_host_access; - - switch (acc_type) { - case DEBUGFS_READ32: - *val = *(u32 *) phys_to_virt(addr - offset); - break; - case DEBUGFS_WRITE32: - *(u32 *) phys_to_virt(addr - offset) = *val; - break; - case DEBUGFS_READ64: - *val = *(u64 *) phys_to_virt(addr - offset); - break; - case DEBUGFS_WRITE64: - *(u64 *) phys_to_virt(addr - offset) = *val; - break; - default: - dev_err(hdev->dev, "hostmem access-type %d id not supported\n", acc_type); - break; - } -} - -static int hl_access_mem(struct hl_device *hdev, u64 addr, u64 *val, - enum debugfs_access_type acc_type) -{ - size_t acc_size = (acc_type == DEBUGFS_READ64 || acc_type == DEBUGFS_WRITE64) ? - sizeof(u64) : sizeof(u32); - u64 host_start = hdev->asic_prop.host_base_address; - u64 host_end = hdev->asic_prop.host_end_address; - bool user_address, found = false; - int rc; - - user_address = hl_is_device_va(hdev, addr); - if (user_address) { - rc = device_va_to_pa(hdev, addr, acc_size, &addr); - if (rc) - return rc; - } - - rc = hl_access_dev_mem_by_region(hdev, addr, val, acc_type, &found); - if (rc) { - dev_err(hdev->dev, - "Failed reading addr %#llx from dev mem (%d)\n", - addr, rc); - return rc; - } - - if (found) - return 0; - - if (!user_address || device_iommu_mapped(&hdev->pdev->dev)) { - rc = -EINVAL; - goto err; - } - - if (addr >= host_start && addr <= host_end - acc_size) { - hl_access_host_mem(hdev, addr, val, acc_type); - } else { - rc = -EINVAL; - goto err; - } - - return 0; -err: - dev_err(hdev->dev, "invalid addr %#llx\n", addr); - return rc; -} - -static ssize_t hl_data_read32(struct file *f, char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u64 value64, addr = entry->addr; - char tmp_buf[32]; - ssize_t rc; - u32 val; - - if (hdev->reset_info.in_reset) { - dev_warn_ratelimited(hdev->dev, "Can't read during reset\n"); - return 0; - } - - if (*ppos) - return 0; - - rc = hl_access_mem(hdev, addr, &value64, DEBUGFS_READ32); - if (rc) - return rc; - - val = value64; /* downcast back to 32 */ - - sprintf(tmp_buf, "0x%08x\n", val); - return simple_read_from_buffer(buf, count, ppos, tmp_buf, - strlen(tmp_buf)); -} - -static ssize_t hl_data_write32(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u64 value64, addr = entry->addr; - u32 value; - ssize_t rc; - - if (hdev->reset_info.in_reset) { - dev_warn_ratelimited(hdev->dev, "Can't write during reset\n"); - return 0; - } - - rc = kstrtouint_from_user(buf, count, 16, &value); - if (rc) - return rc; - - value64 = value; - rc = hl_access_mem(hdev, addr, &value64, DEBUGFS_WRITE32); - if (rc) - return rc; - - return count; -} - -static ssize_t hl_data_read64(struct file *f, char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u64 addr = entry->addr; - char tmp_buf[32]; - ssize_t rc; - u64 val; - - if (hdev->reset_info.in_reset) { - dev_warn_ratelimited(hdev->dev, "Can't read during reset\n"); - return 0; - } - - if (*ppos) - return 0; - - rc = hl_access_mem(hdev, addr, &val, DEBUGFS_READ64); - if (rc) - return rc; - - sprintf(tmp_buf, "0x%016llx\n", val); - return simple_read_from_buffer(buf, count, ppos, tmp_buf, - strlen(tmp_buf)); -} - -static ssize_t hl_data_write64(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u64 addr = entry->addr; - u64 value; - ssize_t rc; - - if (hdev->reset_info.in_reset) { - dev_warn_ratelimited(hdev->dev, "Can't write during reset\n"); - return 0; - } - - rc = kstrtoull_from_user(buf, count, 16, &value); - if (rc) - return rc; - - rc = hl_access_mem(hdev, addr, &value, DEBUGFS_WRITE64); - if (rc) - return rc; - - return count; -} - -static ssize_t hl_dma_size_write(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u64 addr = entry->addr; - ssize_t rc; - u32 size; - - if (hdev->reset_info.in_reset) { - dev_warn_ratelimited(hdev->dev, "Can't DMA during reset\n"); - return 0; - } - rc = kstrtouint_from_user(buf, count, 16, &size); - if (rc) - return rc; - - if (!size) { - dev_err(hdev->dev, "DMA read failed. size can't be 0\n"); - return -EINVAL; - } - - if (size > SZ_128M) { - dev_err(hdev->dev, - "DMA read failed. size can't be larger than 128MB\n"); - return -EINVAL; - } - - if (!hl_is_device_internal_memory_va(hdev, addr, size)) { - dev_err(hdev->dev, - "DMA read failed. Invalid 0x%010llx + 0x%08x\n", - addr, size); - return -EINVAL; - } - - /* Free the previous allocation, if there was any */ - entry->data_dma_blob_desc.size = 0; - vfree(entry->data_dma_blob_desc.data); - - entry->data_dma_blob_desc.data = vmalloc(size); - if (!entry->data_dma_blob_desc.data) - return -ENOMEM; - - rc = hdev->asic_funcs->debugfs_read_dma(hdev, addr, size, - entry->data_dma_blob_desc.data); - if (rc) { - dev_err(hdev->dev, "Failed to DMA from 0x%010llx\n", addr); - vfree(entry->data_dma_blob_desc.data); - entry->data_dma_blob_desc.data = NULL; - return -EIO; - } - - entry->data_dma_blob_desc.size = size; - - return count; -} - -static ssize_t hl_monitor_dump_trigger(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u32 size, trig; - ssize_t rc; - - if (hdev->reset_info.in_reset) { - dev_warn_ratelimited(hdev->dev, "Can't dump monitors during reset\n"); - return 0; - } - rc = kstrtouint_from_user(buf, count, 10, &trig); - if (rc) - return rc; - - if (trig != 1) { - dev_err(hdev->dev, "Must write 1 to trigger monitor dump\n"); - return -EINVAL; - } - - size = sizeof(struct cpucp_monitor_dump); - - /* Free the previous allocation, if there was any */ - entry->mon_dump_blob_desc.size = 0; - vfree(entry->mon_dump_blob_desc.data); - - entry->mon_dump_blob_desc.data = vmalloc(size); - if (!entry->mon_dump_blob_desc.data) - return -ENOMEM; - - rc = hdev->asic_funcs->get_monitor_dump(hdev, entry->mon_dump_blob_desc.data); - if (rc) { - dev_err(hdev->dev, "Failed to dump monitors\n"); - vfree(entry->mon_dump_blob_desc.data); - entry->mon_dump_blob_desc.data = NULL; - return -EIO; - } - - entry->mon_dump_blob_desc.size = size; - - return count; -} - -static ssize_t hl_get_power_state(struct file *f, char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - char tmp_buf[200]; - int i; - - if (*ppos) - return 0; - - if (hdev->pdev->current_state == PCI_D0) - i = 1; - else if (hdev->pdev->current_state == PCI_D3hot) - i = 2; - else - i = 3; - - sprintf(tmp_buf, - "current power state: %d\n1 - D0\n2 - D3hot\n3 - Unknown\n", i); - return simple_read_from_buffer(buf, count, ppos, tmp_buf, - strlen(tmp_buf)); -} - -static ssize_t hl_set_power_state(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u32 value; - ssize_t rc; - - rc = kstrtouint_from_user(buf, count, 10, &value); - if (rc) - return rc; - - if (value == 1) { - pci_set_power_state(hdev->pdev, PCI_D0); - pci_restore_state(hdev->pdev); - rc = pci_enable_device(hdev->pdev); - if (rc < 0) - return rc; - } else if (value == 2) { - pci_save_state(hdev->pdev); - pci_disable_device(hdev->pdev); - pci_set_power_state(hdev->pdev, PCI_D3hot); - } else { - dev_dbg(hdev->dev, "invalid power state value %u\n", value); - return -EINVAL; - } - - return count; -} - -static ssize_t hl_i2c_data_read(struct file *f, char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - char tmp_buf[32]; - u64 val; - ssize_t rc; - - if (*ppos) - return 0; - - rc = hl_debugfs_i2c_read(hdev, entry->i2c_bus, entry->i2c_addr, - entry->i2c_reg, entry->i2c_len, &val); - if (rc) { - dev_err(hdev->dev, - "Failed to read from I2C bus %d, addr %d, reg %d, len %d\n", - entry->i2c_bus, entry->i2c_addr, entry->i2c_reg, entry->i2c_len); - return rc; - } - - sprintf(tmp_buf, "%#02llx\n", val); - rc = simple_read_from_buffer(buf, count, ppos, tmp_buf, - strlen(tmp_buf)); - - return rc; -} - -static ssize_t hl_i2c_data_write(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u64 value; - ssize_t rc; - - rc = kstrtou64_from_user(buf, count, 16, &value); - if (rc) - return rc; - - rc = hl_debugfs_i2c_write(hdev, entry->i2c_bus, entry->i2c_addr, - entry->i2c_reg, entry->i2c_len, value); - if (rc) { - dev_err(hdev->dev, - "Failed to write %#02llx to I2C bus %d, addr %d, reg %d, len %d\n", - value, entry->i2c_bus, entry->i2c_addr, entry->i2c_reg, entry->i2c_len); - return rc; - } - - return count; -} - -static ssize_t hl_led0_write(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u32 value; - ssize_t rc; - - rc = kstrtouint_from_user(buf, count, 10, &value); - if (rc) - return rc; - - value = value ? 1 : 0; - - hl_debugfs_led_set(hdev, 0, value); - - return count; -} - -static ssize_t hl_led1_write(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u32 value; - ssize_t rc; - - rc = kstrtouint_from_user(buf, count, 10, &value); - if (rc) - return rc; - - value = value ? 1 : 0; - - hl_debugfs_led_set(hdev, 1, value); - - return count; -} - -static ssize_t hl_led2_write(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u32 value; - ssize_t rc; - - rc = kstrtouint_from_user(buf, count, 10, &value); - if (rc) - return rc; - - value = value ? 1 : 0; - - hl_debugfs_led_set(hdev, 2, value); - - return count; -} - -static ssize_t hl_device_read(struct file *f, char __user *buf, - size_t count, loff_t *ppos) -{ - static const char *help = - "Valid values: disable, enable, suspend, resume, cpu_timeout\n"; - return simple_read_from_buffer(buf, count, ppos, help, strlen(help)); -} - -static ssize_t hl_device_write(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - char data[30] = {0}; - - /* don't allow partial writes */ - if (*ppos != 0) - return 0; - - simple_write_to_buffer(data, 29, ppos, buf, count); - - if (strncmp("disable", data, strlen("disable")) == 0) { - hdev->disabled = true; - } else if (strncmp("enable", data, strlen("enable")) == 0) { - hdev->disabled = false; - } else if (strncmp("suspend", data, strlen("suspend")) == 0) { - hdev->asic_funcs->suspend(hdev); - } else if (strncmp("resume", data, strlen("resume")) == 0) { - hdev->asic_funcs->resume(hdev); - } else if (strncmp("cpu_timeout", data, strlen("cpu_timeout")) == 0) { - hdev->device_cpu_disabled = true; - } else { - dev_err(hdev->dev, - "Valid values: disable, enable, suspend, resume, cpu_timeout\n"); - count = -EINVAL; - } - - return count; -} - -static ssize_t hl_clk_gate_read(struct file *f, char __user *buf, - size_t count, loff_t *ppos) -{ - return 0; -} - -static ssize_t hl_clk_gate_write(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - return count; -} - -static ssize_t hl_stop_on_err_read(struct file *f, char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - char tmp_buf[200]; - ssize_t rc; - - if (!hdev->asic_prop.configurable_stop_on_err) - return -EOPNOTSUPP; - - if (*ppos) - return 0; - - sprintf(tmp_buf, "%d\n", hdev->stop_on_err); - rc = simple_read_from_buffer(buf, strlen(tmp_buf) + 1, ppos, tmp_buf, - strlen(tmp_buf) + 1); - - return rc; -} - -static ssize_t hl_stop_on_err_write(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u32 value; - ssize_t rc; - - if (!hdev->asic_prop.configurable_stop_on_err) - return -EOPNOTSUPP; - - if (hdev->reset_info.in_reset) { - dev_warn_ratelimited(hdev->dev, - "Can't change stop on error during reset\n"); - return 0; - } - - rc = kstrtouint_from_user(buf, count, 10, &value); - if (rc) - return rc; - - hdev->stop_on_err = value ? 1 : 0; - - hl_device_reset(hdev, 0); - - return count; -} - -static ssize_t hl_security_violations_read(struct file *f, char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - - hdev->asic_funcs->ack_protection_bits_errors(hdev); - - return 0; -} - -static ssize_t hl_state_dump_read(struct file *f, char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - ssize_t rc; - - down_read(&entry->state_dump_sem); - if (!entry->state_dump[entry->state_dump_head]) - rc = 0; - else - rc = simple_read_from_buffer( - buf, count, ppos, - entry->state_dump[entry->state_dump_head], - strlen(entry->state_dump[entry->state_dump_head])); - up_read(&entry->state_dump_sem); - - return rc; -} - -static ssize_t hl_state_dump_write(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - ssize_t rc; - u32 size; - int i; - - rc = kstrtouint_from_user(buf, count, 10, &size); - if (rc) - return rc; - - if (size <= 0 || size >= ARRAY_SIZE(entry->state_dump)) { - dev_err(hdev->dev, "Invalid number of dumps to skip\n"); - return -EINVAL; - } - - if (entry->state_dump[entry->state_dump_head]) { - down_write(&entry->state_dump_sem); - for (i = 0; i < size; ++i) { - vfree(entry->state_dump[entry->state_dump_head]); - entry->state_dump[entry->state_dump_head] = NULL; - if (entry->state_dump_head > 0) - entry->state_dump_head--; - else - entry->state_dump_head = - ARRAY_SIZE(entry->state_dump) - 1; - } - up_write(&entry->state_dump_sem); - } - - return count; -} - -static ssize_t hl_timeout_locked_read(struct file *f, char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - char tmp_buf[200]; - ssize_t rc; - - if (*ppos) - return 0; - - sprintf(tmp_buf, "%d\n", - jiffies_to_msecs(hdev->timeout_jiffies) / 1000); - rc = simple_read_from_buffer(buf, strlen(tmp_buf) + 1, ppos, tmp_buf, - strlen(tmp_buf) + 1); - - return rc; -} - -static ssize_t hl_timeout_locked_write(struct file *f, const char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - u32 value; - ssize_t rc; - - rc = kstrtouint_from_user(buf, count, 10, &value); - if (rc) - return rc; - - if (value) - hdev->timeout_jiffies = msecs_to_jiffies(value * 1000); - else - hdev->timeout_jiffies = MAX_SCHEDULE_TIMEOUT; - - return count; -} - -static ssize_t hl_check_razwi_happened(struct file *f, char __user *buf, - size_t count, loff_t *ppos) -{ - struct hl_dbg_device_entry *entry = file_inode(f)->i_private; - struct hl_device *hdev = entry->hdev; - - hdev->asic_funcs->check_if_razwi_happened(hdev); - - return 0; -} - -static const struct file_operations hl_mem_scrub_fops = { - .owner = THIS_MODULE, - .write = hl_memory_scrub, -}; - -static const struct file_operations hl_data32b_fops = { - .owner = THIS_MODULE, - .read = hl_data_read32, - .write = hl_data_write32 -}; - -static const struct file_operations hl_data64b_fops = { - .owner = THIS_MODULE, - .read = hl_data_read64, - .write = hl_data_write64 -}; - -static const struct file_operations hl_dma_size_fops = { - .owner = THIS_MODULE, - .write = hl_dma_size_write -}; - -static const struct file_operations hl_monitor_dump_fops = { - .owner = THIS_MODULE, - .write = hl_monitor_dump_trigger -}; - -static const struct file_operations hl_i2c_data_fops = { - .owner = THIS_MODULE, - .read = hl_i2c_data_read, - .write = hl_i2c_data_write -}; - -static const struct file_operations hl_power_fops = { - .owner = THIS_MODULE, - .read = hl_get_power_state, - .write = hl_set_power_state -}; - -static const struct file_operations hl_led0_fops = { - .owner = THIS_MODULE, - .write = hl_led0_write -}; - -static const struct file_operations hl_led1_fops = { - .owner = THIS_MODULE, - .write = hl_led1_write -}; - -static const struct file_operations hl_led2_fops = { - .owner = THIS_MODULE, - .write = hl_led2_write -}; - -static const struct file_operations hl_device_fops = { - .owner = THIS_MODULE, - .read = hl_device_read, - .write = hl_device_write -}; - -static const struct file_operations hl_clk_gate_fops = { - .owner = THIS_MODULE, - .read = hl_clk_gate_read, - .write = hl_clk_gate_write -}; - -static const struct file_operations hl_stop_on_err_fops = { - .owner = THIS_MODULE, - .read = hl_stop_on_err_read, - .write = hl_stop_on_err_write -}; - -static const struct file_operations hl_security_violations_fops = { - .owner = THIS_MODULE, - .read = hl_security_violations_read -}; - -static const struct file_operations hl_state_dump_fops = { - .owner = THIS_MODULE, - .read = hl_state_dump_read, - .write = hl_state_dump_write -}; - -static const struct file_operations hl_timeout_locked_fops = { - .owner = THIS_MODULE, - .read = hl_timeout_locked_read, - .write = hl_timeout_locked_write -}; - -static const struct file_operations hl_razwi_check_fops = { - .owner = THIS_MODULE, - .read = hl_check_razwi_happened -}; - -static const struct hl_info_list hl_debugfs_list[] = { - {"command_buffers", command_buffers_show, NULL}, - {"command_submission", command_submission_show, NULL}, - {"command_submission_jobs", command_submission_jobs_show, NULL}, - {"userptr", userptr_show, NULL}, - {"vm", vm_show, NULL}, - {"userptr_lookup", userptr_lookup_show, userptr_lookup_write}, - {"mmu", mmu_show, mmu_asid_va_write}, - {"mmu_error", mmu_ack_error, mmu_ack_error_value_write}, - {"engines", engines_show, NULL}, -}; - -static int hl_debugfs_open(struct inode *inode, struct file *file) -{ - struct hl_debugfs_entry *node = inode->i_private; - - return single_open(file, node->info_ent->show, node); -} - -static ssize_t hl_debugfs_write(struct file *file, const char __user *buf, - size_t count, loff_t *f_pos) -{ - struct hl_debugfs_entry *node = file->f_inode->i_private; - - if (node->info_ent->write) - return node->info_ent->write(file, buf, count, f_pos); - else - return -EINVAL; - -} - -static const struct file_operations hl_debugfs_fops = { - .owner = THIS_MODULE, - .open = hl_debugfs_open, - .read = seq_read, - .write = hl_debugfs_write, - .llseek = seq_lseek, - .release = single_release, -}; - -static void add_secured_nodes(struct hl_dbg_device_entry *dev_entry) -{ - debugfs_create_u8("i2c_bus", - 0644, - dev_entry->root, - &dev_entry->i2c_bus); - - debugfs_create_u8("i2c_addr", - 0644, - dev_entry->root, - &dev_entry->i2c_addr); - - debugfs_create_u8("i2c_reg", - 0644, - dev_entry->root, - &dev_entry->i2c_reg); - - debugfs_create_u8("i2c_len", - 0644, - dev_entry->root, - &dev_entry->i2c_len); - - debugfs_create_file("i2c_data", - 0644, - dev_entry->root, - dev_entry, - &hl_i2c_data_fops); - - debugfs_create_file("led0", - 0200, - dev_entry->root, - dev_entry, - &hl_led0_fops); - - debugfs_create_file("led1", - 0200, - dev_entry->root, - dev_entry, - &hl_led1_fops); - - debugfs_create_file("led2", - 0200, - dev_entry->root, - dev_entry, - &hl_led2_fops); -} - -void hl_debugfs_add_device(struct hl_device *hdev) -{ - struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs; - int count = ARRAY_SIZE(hl_debugfs_list); - struct hl_debugfs_entry *entry; - int i; - - dev_entry->hdev = hdev; - dev_entry->entry_arr = kmalloc_array(count, - sizeof(struct hl_debugfs_entry), - GFP_KERNEL); - if (!dev_entry->entry_arr) - return; - - dev_entry->data_dma_blob_desc.size = 0; - dev_entry->data_dma_blob_desc.data = NULL; - dev_entry->mon_dump_blob_desc.size = 0; - dev_entry->mon_dump_blob_desc.data = NULL; - - INIT_LIST_HEAD(&dev_entry->file_list); - INIT_LIST_HEAD(&dev_entry->cb_list); - INIT_LIST_HEAD(&dev_entry->cs_list); - INIT_LIST_HEAD(&dev_entry->cs_job_list); - INIT_LIST_HEAD(&dev_entry->userptr_list); - INIT_LIST_HEAD(&dev_entry->ctx_mem_hash_list); - mutex_init(&dev_entry->file_mutex); - init_rwsem(&dev_entry->state_dump_sem); - spin_lock_init(&dev_entry->cb_spinlock); - spin_lock_init(&dev_entry->cs_spinlock); - spin_lock_init(&dev_entry->cs_job_spinlock); - spin_lock_init(&dev_entry->userptr_spinlock); - spin_lock_init(&dev_entry->ctx_mem_hash_spinlock); - - dev_entry->root = debugfs_create_dir(dev_name(hdev->dev), - hl_debug_root); - - debugfs_create_x64("memory_scrub_val", - 0644, - dev_entry->root, - &hdev->memory_scrub_val); - - debugfs_create_file("memory_scrub", - 0200, - dev_entry->root, - dev_entry, - &hl_mem_scrub_fops); - - debugfs_create_x64("addr", - 0644, - dev_entry->root, - &dev_entry->addr); - - debugfs_create_file("data32", - 0644, - dev_entry->root, - dev_entry, - &hl_data32b_fops); - - debugfs_create_file("data64", - 0644, - dev_entry->root, - dev_entry, - &hl_data64b_fops); - - debugfs_create_file("set_power_state", - 0200, - dev_entry->root, - dev_entry, - &hl_power_fops); - - debugfs_create_file("device", - 0200, - dev_entry->root, - dev_entry, - &hl_device_fops); - - debugfs_create_file("clk_gate", - 0200, - dev_entry->root, - dev_entry, - &hl_clk_gate_fops); - - debugfs_create_file("stop_on_err", - 0644, - dev_entry->root, - dev_entry, - &hl_stop_on_err_fops); - - debugfs_create_file("dump_security_violations", - 0644, - dev_entry->root, - dev_entry, - &hl_security_violations_fops); - - debugfs_create_file("dump_razwi_events", - 0644, - dev_entry->root, - dev_entry, - &hl_razwi_check_fops); - - debugfs_create_file("dma_size", - 0200, - dev_entry->root, - dev_entry, - &hl_dma_size_fops); - - debugfs_create_blob("data_dma", - 0400, - dev_entry->root, - &dev_entry->data_dma_blob_desc); - - debugfs_create_file("monitor_dump_trig", - 0200, - dev_entry->root, - dev_entry, - &hl_monitor_dump_fops); - - debugfs_create_blob("monitor_dump", - 0400, - dev_entry->root, - &dev_entry->mon_dump_blob_desc); - - debugfs_create_x8("skip_reset_on_timeout", - 0644, - dev_entry->root, - &hdev->reset_info.skip_reset_on_timeout); - - debugfs_create_file("state_dump", - 0600, - dev_entry->root, - dev_entry, - &hl_state_dump_fops); - - debugfs_create_file("timeout_locked", - 0644, - dev_entry->root, - dev_entry, - &hl_timeout_locked_fops); - - debugfs_create_u32("device_release_watchdog_timeout", - 0644, - dev_entry->root, - &hdev->device_release_watchdog_timeout_sec); - - for (i = 0, entry = dev_entry->entry_arr ; i < count ; i++, entry++) { - debugfs_create_file(hl_debugfs_list[i].name, - 0444, - dev_entry->root, - entry, - &hl_debugfs_fops); - entry->info_ent = &hl_debugfs_list[i]; - entry->dev_entry = dev_entry; - } - - if (!hdev->asic_prop.fw_security_enabled) - add_secured_nodes(dev_entry); -} - -void hl_debugfs_remove_device(struct hl_device *hdev) -{ - struct hl_dbg_device_entry *entry = &hdev->hl_debugfs; - int i; - - debugfs_remove_recursive(entry->root); - - mutex_destroy(&entry->file_mutex); - - vfree(entry->data_dma_blob_desc.data); - vfree(entry->mon_dump_blob_desc.data); - - for (i = 0; i < ARRAY_SIZE(entry->state_dump); ++i) - vfree(entry->state_dump[i]); - - kfree(entry->entry_arr); -} - -void hl_debugfs_add_file(struct hl_fpriv *hpriv) -{ - struct hl_dbg_device_entry *dev_entry = &hpriv->hdev->hl_debugfs; - - mutex_lock(&dev_entry->file_mutex); - list_add(&hpriv->debugfs_list, &dev_entry->file_list); - mutex_unlock(&dev_entry->file_mutex); -} - -void hl_debugfs_remove_file(struct hl_fpriv *hpriv) -{ - struct hl_dbg_device_entry *dev_entry = &hpriv->hdev->hl_debugfs; - - mutex_lock(&dev_entry->file_mutex); - list_del(&hpriv->debugfs_list); - mutex_unlock(&dev_entry->file_mutex); -} - -void hl_debugfs_add_cb(struct hl_cb *cb) -{ - struct hl_dbg_device_entry *dev_entry = &cb->hdev->hl_debugfs; - - spin_lock(&dev_entry->cb_spinlock); - list_add(&cb->debugfs_list, &dev_entry->cb_list); - spin_unlock(&dev_entry->cb_spinlock); -} - -void hl_debugfs_remove_cb(struct hl_cb *cb) -{ - struct hl_dbg_device_entry *dev_entry = &cb->hdev->hl_debugfs; - - spin_lock(&dev_entry->cb_spinlock); - list_del(&cb->debugfs_list); - spin_unlock(&dev_entry->cb_spinlock); -} - -void hl_debugfs_add_cs(struct hl_cs *cs) -{ - struct hl_dbg_device_entry *dev_entry = &cs->ctx->hdev->hl_debugfs; - - spin_lock(&dev_entry->cs_spinlock); - list_add(&cs->debugfs_list, &dev_entry->cs_list); - spin_unlock(&dev_entry->cs_spinlock); -} - -void hl_debugfs_remove_cs(struct hl_cs *cs) -{ - struct hl_dbg_device_entry *dev_entry = &cs->ctx->hdev->hl_debugfs; - - spin_lock(&dev_entry->cs_spinlock); - list_del(&cs->debugfs_list); - spin_unlock(&dev_entry->cs_spinlock); -} - -void hl_debugfs_add_job(struct hl_device *hdev, struct hl_cs_job *job) -{ - struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs; - - spin_lock(&dev_entry->cs_job_spinlock); - list_add(&job->debugfs_list, &dev_entry->cs_job_list); - spin_unlock(&dev_entry->cs_job_spinlock); -} - -void hl_debugfs_remove_job(struct hl_device *hdev, struct hl_cs_job *job) -{ - struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs; - - spin_lock(&dev_entry->cs_job_spinlock); - list_del(&job->debugfs_list); - spin_unlock(&dev_entry->cs_job_spinlock); -} - -void hl_debugfs_add_userptr(struct hl_device *hdev, struct hl_userptr *userptr) -{ - struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs; - - spin_lock(&dev_entry->userptr_spinlock); - list_add(&userptr->debugfs_list, &dev_entry->userptr_list); - spin_unlock(&dev_entry->userptr_spinlock); -} - -void hl_debugfs_remove_userptr(struct hl_device *hdev, - struct hl_userptr *userptr) -{ - struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs; - - spin_lock(&dev_entry->userptr_spinlock); - list_del(&userptr->debugfs_list); - spin_unlock(&dev_entry->userptr_spinlock); -} - -void hl_debugfs_add_ctx_mem_hash(struct hl_device *hdev, struct hl_ctx *ctx) -{ - struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs; - - spin_lock(&dev_entry->ctx_mem_hash_spinlock); - list_add(&ctx->debugfs_list, &dev_entry->ctx_mem_hash_list); - spin_unlock(&dev_entry->ctx_mem_hash_spinlock); -} - -void hl_debugfs_remove_ctx_mem_hash(struct hl_device *hdev, struct hl_ctx *ctx) -{ - struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs; - - spin_lock(&dev_entry->ctx_mem_hash_spinlock); - list_del(&ctx->debugfs_list); - spin_unlock(&dev_entry->ctx_mem_hash_spinlock); -} - -/** - * hl_debugfs_set_state_dump - register state dump making it accessible via - * debugfs - * @hdev: pointer to the device structure - * @data: the actual dump data - * @length: the length of the data - */ -void hl_debugfs_set_state_dump(struct hl_device *hdev, char *data, - unsigned long length) -{ - struct hl_dbg_device_entry *dev_entry = &hdev->hl_debugfs; - - down_write(&dev_entry->state_dump_sem); - - dev_entry->state_dump_head = (dev_entry->state_dump_head + 1) % - ARRAY_SIZE(dev_entry->state_dump); - vfree(dev_entry->state_dump[dev_entry->state_dump_head]); - dev_entry->state_dump[dev_entry->state_dump_head] = data; - - up_write(&dev_entry->state_dump_sem); -} - -void __init hl_debugfs_init(void) -{ - hl_debug_root = debugfs_create_dir("habanalabs", NULL); -} - -void hl_debugfs_fini(void) -{ - debugfs_remove_recursive(hl_debug_root); -} |