diff options
| author | Ofir Bitton <obitton@habana.ai> | 2021-01-05 12:55:06 +0200 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2021-01-27 21:03:51 +0200 |
| commit | d00697fbe13ccc1dfb7adb82204e1469a7783b07 (patch) | |
| tree | efb59972aab43efc4acac6c88d5f482939ee2eaf /drivers/misc/habanalabs/common/device.c | |
| parent | 89473a1fc3607d9ee5a4f859a2684d0abd0c4ded (diff) | |
habanalabs: add new mem ioctl op for mapping hw blocks
For future ASIC support the driver allows user to map certain regions
in the device's configuration space for direct access from userspace.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/common/device.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/device.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c index 13405d47d843..59219c862ca0 100644 --- a/drivers/misc/habanalabs/common/device.c +++ b/drivers/misc/habanalabs/common/device.c @@ -142,6 +142,9 @@ static int hl_mmap(struct file *filp, struct vm_area_struct *vma) switch (vm_pgoff & HL_MMAP_TYPE_MASK) { case HL_MMAP_TYPE_CB: return hl_cb_mmap(hpriv, vma); + + case HL_MMAP_TYPE_BLOCK: + return hl_hw_block_mmap(hpriv, vma); } return -EINVAL; |