accel/habanalabs: add traces for dma mappings

In order to get a full picture of DMA mappings (e.g. to track DMAR
errors), DMA mappings APIs should be covered.

Signed-off-by: Ohad Sharabi <osharabi@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>

diff --git a/include/trace/events/habanalabs.h b/include/trace/events/habanalabs.h
index 951643e6a7a9b576f6db8ee2a4b3fb6cf69b50ef..0d3667399d0107e3d4382854c11cdbed9ffd43f4 100644 (file)
--- a/include/trace/events/habanalabs.h
+++ b/include/trace/events/habanalabs.h
@@ -87,6 +87,49 @@ DEFINE_EVENT(habanalabs_dma_alloc_template, habanalabs_dma_free,
        TP_PROTO(struct device *dev, u64 cpu_addr, u64 dma_addr, size_t size, const char *caller),
        TP_ARGS(dev, cpu_addr, dma_addr, size, caller));
 
+DECLARE_EVENT_CLASS(habanalabs_dma_map_template,
+       TP_PROTO(struct device *dev, u64 phys_addr, u64 dma_addr, size_t len,
+                       enum dma_data_direction dir, const char *caller),
+
+       TP_ARGS(dev, phys_addr, dma_addr, len, dir, caller),
+
+       TP_STRUCT__entry(
+               __string(dname, dev_name(dev))
+               __field(u64, phys_addr)
+               __field(u64, dma_addr)
+               __field(u32, len)
+               __field(int, dir)
+               __field(const char *, caller)
+       ),
+
+       TP_fast_assign(
+               __assign_str(dname, dev_name(dev));
+               __entry->phys_addr = phys_addr;
+               __entry->dma_addr = dma_addr;
+               __entry->len = len;
+               __entry->dir = dir;
+               __entry->caller = caller;
+       ),
+
+       TP_printk("%s: phys_addr: %#llx, dma_addr: %#llx, len: %#x, dir: %d, caller: %s",
+               __get_str(dname),
+               __entry->phys_addr,
+               __entry->dma_addr,
+               __entry->len,
+               __entry->dir,
+               __entry->caller)
+);
+
+DEFINE_EVENT(habanalabs_dma_map_template, habanalabs_dma_map_page,
+       TP_PROTO(struct device *dev, u64 phys_addr, u64 dma_addr, size_t len,
+                       enum dma_data_direction dir, const char *caller),
+       TP_ARGS(dev, phys_addr, dma_addr, len, dir, caller));
+
+DEFINE_EVENT(habanalabs_dma_map_template, habanalabs_dma_unmap_page,
+       TP_PROTO(struct device *dev, u64 phys_addr, u64 dma_addr, size_t len,
+                       enum dma_data_direction dir, const char *caller),
+       TP_ARGS(dev, phys_addr, dma_addr, len, dir, caller));
+
 DECLARE_EVENT_CLASS(habanalabs_comms_template,
        TP_PROTO(struct device *dev, char *op_str),