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| author | Ofir Bitton <obitton@habana.ai> | 2020-06-24 14:49:43 +0300 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2020-07-24 20:31:36 +0300 |
| commit | 79b1894c419468607ce547855e8636d42b456149 (patch) | |
| tree | aaeff3bde56e4f1ad531f4c0ab9abd732ce914b9 /drivers/misc/habanalabs/habanalabs.h | |
| parent | 3abc99bb7dcbc0704972dae6c6ba92fbb1fbf191 (diff) | |
| download | lwn-79b1894c419468607ce547855e8636d42b456149.tar.gz lwn-79b1894c419468607ce547855e8636d42b456149.zip | |
habanalabs: use queue pi/ci in order to determine queue occupancy
Instead of using the free slots amount on the compute CQ to determine
whether we can submit work to queues, use the queues pi/ci.
This is needed in future ASICs where we don't have CQ per queue.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/misc/habanalabs/habanalabs.h')
| -rw-r--r-- | drivers/misc/habanalabs/habanalabs.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h index 9213d107b533..a61aab09778c 100644 --- a/drivers/misc/habanalabs/habanalabs.h +++ b/drivers/misc/habanalabs/habanalabs.h @@ -461,7 +461,7 @@ struct hl_hw_queue { u64 kernel_address; dma_addr_t bus_address; u32 pi; - u32 ci; + atomic_t ci; u32 hw_queue_id; u32 cq_id; u32 msi_vec; |