diff options
Diffstat (limited to 'drivers/misc/habanalabs/debugfs.c')
| -rw-r--r-- | drivers/misc/habanalabs/debugfs.c | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/drivers/misc/habanalabs/debugfs.c b/drivers/misc/habanalabs/debugfs.c index 886f8ea82499..17974919b760 100644 --- a/drivers/misc/habanalabs/debugfs.c +++ b/drivers/misc/habanalabs/debugfs.c @@ -500,6 +500,25 @@ err: return -EINVAL; } +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) { @@ -573,7 +592,6 @@ 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; @@ -582,11 +600,8 @@ 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; } @@ -607,7 +622,6 @@ 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; @@ -616,11 +630,8 @@ 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; } |