diff options
Diffstat (limited to 'drivers/misc/habanalabs/debugfs.c')
| -rw-r--r-- | drivers/misc/habanalabs/debugfs.c | 54 |
1 files changed, 41 insertions, 13 deletions
diff --git a/drivers/misc/habanalabs/debugfs.c b/drivers/misc/habanalabs/debugfs.c index ba418aaa404c..18e499c900c7 100644 --- a/drivers/misc/habanalabs/debugfs.c +++ b/drivers/misc/habanalabs/debugfs.c @@ -355,7 +355,7 @@ 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 = hdev->user_ctx; + struct hl_ctx *ctx; u64 hop0_addr = 0, hop0_pte_addr = 0, hop0_pte = 0, hop1_addr = 0, hop1_pte_addr = 0, hop1_pte = 0, @@ -367,6 +367,11 @@ static int mmu_show(struct seq_file *s, void *data) if (!hdev->mmu_enable) return 0; + if (dev_entry->mmu_asid == HL_KERNEL_ASID_ID) + ctx = hdev->kernel_ctx; + else + ctx = hdev->user_ctx; + if (!ctx) { dev_err(hdev->dev, "no ctx available\n"); return 0; @@ -495,6 +500,36 @@ err: 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; + + hdev->asic_funcs->is_device_idle(hdev, NULL, s); + + return 0; +} + +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 (hdev->dram_supports_virtual_memory && + addr >= prop->va_space_dram_start_address && + addr < prop->va_space_dram_end_address) + return true; + + if (addr >= prop->va_space_host_start_address && + addr < prop->va_space_host_end_address) + return true; +out: + return false; +} + static int device_va_to_pa(struct hl_device *hdev, u64 virt_addr, u64 *phys_addr) { @@ -568,7 +603,6 @@ static ssize_t hl_data_read32(struct file *f, char __user *buf, { struct hl_dbg_device_entry *entry = file_inode(f)->i_private; struct hl_device *hdev = entry->hdev; - struct asic_fixed_properties *prop = &hdev->asic_prop; char tmp_buf[32]; u64 addr = entry->addr; u32 val; @@ -577,11 +611,8 @@ static ssize_t hl_data_read32(struct file *f, char __user *buf, if (*ppos) return 0; - if (addr >= prop->va_space_dram_start_address && - addr < prop->va_space_dram_end_address && - hdev->mmu_enable && - hdev->dram_supports_virtual_memory) { - rc = device_va_to_pa(hdev, entry->addr, &addr); + if (hl_is_device_va(hdev, addr)) { + rc = device_va_to_pa(hdev, addr, &addr); if (rc) return rc; } @@ -602,7 +633,6 @@ static ssize_t hl_data_write32(struct file *f, const char __user *buf, { struct hl_dbg_device_entry *entry = file_inode(f)->i_private; struct hl_device *hdev = entry->hdev; - struct asic_fixed_properties *prop = &hdev->asic_prop; u64 addr = entry->addr; u32 value; ssize_t rc; @@ -611,11 +641,8 @@ static ssize_t hl_data_write32(struct file *f, const char __user *buf, if (rc) return rc; - if (addr >= prop->va_space_dram_start_address && - addr < prop->va_space_dram_end_address && - hdev->mmu_enable && - hdev->dram_supports_virtual_memory) { - rc = device_va_to_pa(hdev, entry->addr, &addr); + if (hl_is_device_va(hdev, addr)) { + rc = device_va_to_pa(hdev, addr, &addr); if (rc) return rc; } @@ -877,6 +904,7 @@ static const struct hl_info_list hl_debugfs_list[] = { {"userptr", userptr_show, NULL}, {"vm", vm_show, NULL}, {"mmu", mmu_show, mmu_write}, + {"engines", engines_show, NULL} }; static int hl_debugfs_open(struct inode *inode, struct file *file) |