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| author | Sanjay R Mehta <sanju.mehta@amd.com> | 2021-08-17 15:55:59 +0200 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-08-29 15:44:20 +0200 |
| commit | e2fb2e2a33fae6009bf68574a7eec8fcfdf9c78e (patch) | |
| tree | 29fca1b073cb6d133308ed933f0ddc028e82fa51 /drivers/dma/ptdma/ptdma.h | |
| parent | dmaengine: ptdma: register PTDMA controller as a DMA resource (diff) | |
| download | linux-e2fb2e2a33fae6009bf68574a7eec8fcfdf9c78e.tar.xz linux-e2fb2e2a33fae6009bf68574a7eec8fcfdf9c78e.zip | |
dmaengine: ptdma: Add debugfs entries for PTDMA
Expose data about the configuration and operation of the
PTDMA through debugfs entries: device name, capabilities,
configuration, statistics.
Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com>
Link: https://lore.kernel.org/r/1629208559-51964-4-git-send-email-Sanju.Mehta@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/ptdma/ptdma.h')
| -rw-r--r-- | drivers/dma/ptdma/ptdma.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/dma/ptdma/ptdma.h b/drivers/dma/ptdma/ptdma.h index 1329c55439b1..860e302bcae6 100644 --- a/drivers/dma/ptdma/ptdma.h +++ b/drivers/dma/ptdma/ptdma.h @@ -216,6 +216,8 @@ struct pt_cmd_queue { u32 q_status; u32 q_int_status; u32 cmd_error; + /* Queue Statistics */ + unsigned long total_pt_ops; } ____cacheline_aligned; struct pt_device { @@ -254,6 +256,9 @@ struct pt_device { wait_queue_head_t lsb_queue; + /* Device Statistics */ + unsigned long total_interrupts; + struct pt_tasklet_data tdata; }; @@ -307,6 +312,7 @@ struct pt_dev_vdata { int pt_dmaengine_register(struct pt_device *pt); void pt_dmaengine_unregister(struct pt_device *pt); +void ptdma_debugfs_setup(struct pt_device *pt); int pt_core_init(struct pt_device *pt); void pt_core_destroy(struct pt_device *pt); |