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Subject[PATCH 10/15] Introduce Cadence USBSSP DRD Driver - added trace files.
Date
Signed-off-by: Laszczak Pawel <pawell@cadence.com>
---
drivers/usb/usbssp/gadget-trace.c | 12 +
drivers/usb/usbssp/gadget-trace.h | 505 ++++++++++++++++++++++++++++++
2 files changed, 517 insertions(+)
create mode 100644 drivers/usb/usbssp/gadget-trace.c
create mode 100644 drivers/usb/usbssp/gadget-trace.h

diff --git a/drivers/usb/usbssp/gadget-trace.c b/drivers/usb/usbssp/gadget-trace.c
new file mode 100644
index 000000000000..6c8ef287d81b
--- /dev/null
+++ b/drivers/usb/usbssp/gadget-trace.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * USBSSP device controller driver
+ *
+ * Copyright (C) 2018 Cadence.
+ *
+ * Author: Pawel Laszczak
+ * Code borrowed from the Linux XHCI driver.
+ */
+
+#define CREATE_TRACE_POINTS
+#include "gadget-trace.h"
diff --git a/drivers/usb/usbssp/gadget-trace.h b/drivers/usb/usbssp/gadget-trace.h
new file mode 100644
index 000000000000..6adba591bade
--- /dev/null
+++ b/drivers/usb/usbssp/gadget-trace.h
@@ -0,0 +1,505 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * USBSSP device controller driver
+ *
+ * Copyright (C) 2018 Cadence.
+ *
+ * Author: Pawel Laszczak
+ * Code borrowed from the Linux XHCI driver.
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM usbssp-dev
+
+/*
+ * The TRACE_SYSTEM_VAR defaults to TRACE_SYSTEM, but must be a
+ * legitimate C variable. It is not exported to user space.
+ */
+#undef TRACE_SYSTEM_VAR
+#define TRACE_SYSTEM_VAR usbssp_dev
+
+#if !defined(__USBSSP_DEV_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define __USBSSP_DEV_TRACE_H
+
+#include <linux/tracepoint.h>
+#include "gadget.h"
+
+#define USBSSP_DEV_MSG_MAX 500
+
+DECLARE_EVENT_CLASS(usbssp_log_msg,
+ TP_PROTO(struct va_format *vaf),
+ TP_ARGS(vaf),
+ TP_STRUCT__entry(__dynamic_array(char, msg, USBSSP_DEV_MSG_MAX)),
+ TP_fast_assign(
+ vsnprintf(__get_str(msg), USBSSP_DEV_MSG_MAX, vaf->fmt, *vaf->va);
+ ),
+ TP_printk("%s", __get_str(msg))
+);
+
+DEFINE_EVENT(usbssp_log_msg, usbssp_dbg_address,
+ TP_PROTO(struct va_format *vaf),
+ TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(usbssp_log_msg, usbssp_dbg_context_change,
+ TP_PROTO(struct va_format *vaf),
+ TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(usbssp_log_msg, usbssp_dbg_quirks,
+ TP_PROTO(struct va_format *vaf),
+ TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(usbssp_log_msg, usbssp_dbg_reset_ep,
+ TP_PROTO(struct va_format *vaf),
+ TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(usbssp_log_msg, usbssp_dbg_cancel_request,
+ TP_PROTO(struct va_format *vaf),
+ TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(usbssp_log_msg, usbssp_dbg_init,
+ TP_PROTO(struct va_format *vaf),
+ TP_ARGS(vaf)
+);
+
+DEFINE_EVENT(usbssp_log_msg, usbssp_dbg_ring_expansion,
+ TP_PROTO(struct va_format *vaf),
+ TP_ARGS(vaf)
+);
+
+DECLARE_EVENT_CLASS(usbssp_log_ctx,
+ TP_PROTO(struct usbssp_udc *usbssp_data, struct usbssp_container_ctx *ctx,
+ unsigned int ep_num),
+ TP_ARGS(usbssp_data, ctx, ep_num),
+ TP_STRUCT__entry(
+ __field(int, ctx_64)
+ __field(unsigned int, ctx_type)
+ __field(dma_addr_t, ctx_dma)
+ __field(u8 *, ctx_va)
+ __field(unsigned int, ctx_ep_num)
+ __field(int, slot_id)
+ __dynamic_array(u32, ctx_data,
+ ((HCC_64BYTE_CONTEXT(usbssp_data->hcc_params) + 1) * 8) *
+ ((ctx->type == USBSSP_CTX_TYPE_INPUT) + ep_num + 1))
+ ),
+ TP_fast_assign(
+ __entry->ctx_64 = HCC_64BYTE_CONTEXT(usbssp_data->hcc_params);
+ __entry->ctx_type = ctx->type;
+ __entry->ctx_dma = ctx->dma;
+ __entry->ctx_va = ctx->bytes;
+ __entry->slot_id = usbssp_data->slot_id;
+ __entry->ctx_ep_num = ep_num;
+ memcpy(__get_dynamic_array(ctx_data), ctx->bytes,
+ ((HCC_64BYTE_CONTEXT(usbssp_data->hcc_params) + 1) * 32) *
+ ((ctx->type == USBSSP_CTX_TYPE_INPUT) + ep_num + 1));
+ ),
+ TP_printk("\nctx_64=%d, ctx_type=%u, ctx_dma=@%llx, ctx_va=@%p",
+ __entry->ctx_64, __entry->ctx_type,
+ (unsigned long long) __entry->ctx_dma, __entry->ctx_va
+ )
+);
+
+DEFINE_EVENT(usbssp_log_ctx, usbssp_address_ctx,
+ TP_PROTO(struct usbssp_udc *usbssp_data, struct usbssp_container_ctx *ctx,
+ unsigned int ep_num),
+ TP_ARGS(usbssp_data, ctx, ep_num)
+);
+
+
+DECLARE_EVENT_CLASS(usbssp_log_trb,
+ TP_PROTO(struct usbssp_ring *ring, struct usbssp_generic_trb *trb),
+ TP_ARGS(ring, trb),
+ TP_STRUCT__entry(
+ __field(u32, type)
+ __field(u32, field0)
+ __field(u32, field1)
+ __field(u32, field2)
+ __field(u32, field3)
+ ),
+ TP_fast_assign(
+ __entry->type = ring->type;
+ __entry->field0 = le32_to_cpu(trb->field[0]);
+ __entry->field1 = le32_to_cpu(trb->field[1]);
+ __entry->field2 = le32_to_cpu(trb->field[2]);
+ __entry->field3 = le32_to_cpu(trb->field[3]);
+ ),
+ TP_printk("%s: %s", usbssp_ring_type_string(__entry->type),
+ usbssp_decode_trb(__entry->field0, __entry->field1,
+ __entry->field2, __entry->field3)
+ )
+);
+
+DEFINE_EVENT(usbssp_log_trb, usbssp_handle_event,
+ TP_PROTO(struct usbssp_ring *ring, struct usbssp_generic_trb *trb),
+ TP_ARGS(ring, trb)
+);
+
+DEFINE_EVENT(usbssp_log_trb, usbssp_handle_command,
+ TP_PROTO(struct usbssp_ring *ring, struct usbssp_generic_trb *trb),
+ TP_ARGS(ring, trb)
+);
+
+DEFINE_EVENT(usbssp_log_trb, usbssp_handle_transfer,
+ TP_PROTO(struct usbssp_ring *ring, struct usbssp_generic_trb *trb),
+ TP_ARGS(ring, trb)
+);
+
+DEFINE_EVENT(usbssp_log_trb, usbssp_queue_trb,
+ TP_PROTO(struct usbssp_ring *ring, struct usbssp_generic_trb *trb),
+ TP_ARGS(ring, trb)
+);
+
+DEFINE_EVENT(usbssp_log_trb, usbssp_dbc_handle_event,
+ TP_PROTO(struct usbssp_ring *ring, struct usbssp_generic_trb *trb),
+ TP_ARGS(ring, trb)
+);
+
+DEFINE_EVENT(usbssp_log_trb, usbssp_dbc_handle_transfer,
+ TP_PROTO(struct usbssp_ring *ring, struct usbssp_generic_trb *trb),
+ TP_ARGS(ring, trb)
+);
+
+DEFINE_EVENT(usbssp_log_trb, usbssp_dbc_gadget_ep_queue,
+ TP_PROTO(struct usbssp_ring *ring, struct usbssp_generic_trb *trb),
+ TP_ARGS(ring, trb)
+);
+
+DECLARE_EVENT_CLASS(usbssp_log_priv_dev,
+ TP_PROTO(struct usbssp_device *priv_dev),
+ TP_ARGS(priv_dev),
+ TP_STRUCT__entry(
+ __field(struct usbssp_device *, priv_dev)
+ __field(struct usb_gadget *, gadget)
+ __field(unsigned long long, out_ctx)
+ __field(unsigned long long, in_ctx)
+ __field(u8, port_num)
+ ),
+ TP_fast_assign(
+ __entry->priv_dev = priv_dev;
+ __entry->gadget = priv_dev->gadget;
+ __entry->in_ctx = (unsigned long long) priv_dev->in_ctx->dma;
+ __entry->out_ctx = (unsigned long long) priv_dev->out_ctx->dma;
+ __entry->port_num = priv_dev->port_num;
+ ),
+ TP_printk("priv_dev %p gadget %p ctx %llx | %llx, port %d ",
+ __entry->priv_dev, __entry->gadget, __entry->in_ctx, __entry->out_ctx,
+ __entry->port_num
+ )
+);
+
+DEFINE_EVENT(usbssp_log_priv_dev, usbssp_alloc_priv_device,
+ TP_PROTO(struct usbssp_device *vdev),
+ TP_ARGS(vdev)
+);
+
+DEFINE_EVENT(usbssp_log_priv_dev, usbssp_free_priv_device,
+ TP_PROTO(struct usbssp_device *vdev),
+ TP_ARGS(vdev)
+);
+
+DEFINE_EVENT(usbssp_log_priv_dev, usbssp_setup_device,
+ TP_PROTO(struct usbssp_device *vdev),
+ TP_ARGS(vdev)
+);
+
+DEFINE_EVENT(usbssp_log_priv_dev, usbssp_setup_addressable_priv_device,
+ TP_PROTO(struct usbssp_device *vdev),
+ TP_ARGS(vdev)
+);
+
+DEFINE_EVENT(usbssp_log_priv_dev, usbssp_stop_device,
+ TP_PROTO(struct usbssp_device *vdev),
+ TP_ARGS(vdev)
+);
+
+DECLARE_EVENT_CLASS(usbssp_log_request,
+ TP_PROTO(struct usb_request *request),
+ TP_ARGS(request),
+ TP_STRUCT__entry(
+ __field(struct usb_request *, request)
+ __field(void *, buf)
+ __field(unsigned int, length)
+ __field(dma_addr_t, dma)
+ __field(struct scatterlist*, sg)
+ __field(unsigned int, num_sgs)
+ __field(unsigned int, num_mapped_sgs)
+ __field(unsigned int, stream_id)
+ __field(unsigned int, no_interrupt)
+ __field(unsigned int, zero)
+ __field(unsigned int, short_not_ok)
+ __field(unsigned int, dma_mapped)
+ __field(int, status)
+ __field(unsigned int, actual)
+ ),
+ TP_fast_assign(
+ __entry->request = request;
+ __entry->buf = request->buf;
+ __entry->length = request->length;
+ __entry->dma = request->dma;
+ __entry->sg = request->sg;
+ __entry->num_sgs = request->num_sgs;
+ __entry->num_mapped_sgs = request->num_mapped_sgs;
+ __entry->stream_id = request->stream_id;
+ __entry->no_interrupt = request->no_interrupt;
+ __entry->zero = request->zero;
+ __entry->short_not_ok = request->short_not_ok;
+ __entry->dma_mapped = 0 /*request->dma_mapped*/;
+ __entry->status = request->status;
+ __entry->actual = request->actual;
+ ),
+
+ TP_printk("req %p; buf %p, len %d, dma %llx, sg %p, num_sg %d, num_m_sg %d,"
+ "stream_id %d, no_int %x, zero %x, short_not_ok %x, dma_mapped %x, "
+ "status %d, actual %d",
+ __entry->request,
+ __entry->buf, __entry->length, __entry->dma, __entry->sg,
+ __entry->num_sgs, __entry->num_mapped_sgs, __entry->stream_id,
+ __entry->no_interrupt, __entry->zero, __entry->short_not_ok,
+ __entry->dma_mapped, __entry->status, __entry->actual
+ )
+
+);
+
+DEFINE_EVENT(usbssp_log_request, usbssp_request_enqueue,
+ TP_PROTO(struct usb_request *request),
+ TP_ARGS(request)
+);
+
+DEFINE_EVENT(usbssp_log_request, usbssp_request_giveback,
+ TP_PROTO(struct usb_request *request),
+ TP_ARGS(request)
+);
+
+DEFINE_EVENT(usbssp_log_request, usbssp_request_dequeue,
+ TP_PROTO(struct usb_request *request),
+ TP_ARGS(request)
+);
+
+DEFINE_EVENT(usbssp_log_request, usbssp_alloc_request,
+ TP_PROTO(struct usb_request *request),
+ TP_ARGS(request)
+);
+
+DEFINE_EVENT(usbssp_log_request, usbssp_free_request,
+ TP_PROTO(struct usb_request *request),
+ TP_ARGS(request)
+);
+
+DECLARE_EVENT_CLASS(usbssp_log_ep_ctx,
+ TP_PROTO(struct usbssp_ep_ctx *ctx),
+ TP_ARGS(ctx),
+ TP_STRUCT__entry(
+ __field(u32, info)
+ __field(u32, info2)
+ __field(u64, deq)
+ __field(u32, tx_info)
+ ),
+ TP_fast_assign(
+ __entry->info = le32_to_cpu(ctx->ep_info);
+ __entry->info2 = le32_to_cpu(ctx->ep_info2);
+ __entry->deq = le64_to_cpu(ctx->deq);
+ __entry->tx_info = le32_to_cpu(ctx->tx_info);
+ ),
+ TP_printk("%s", usbssp_decode_ep_context(__entry->info,
+ __entry->info2, __entry->deq, __entry->tx_info)
+ )
+);
+
+DEFINE_EVENT(usbssp_log_ep_ctx, usbssp_remove_request,
+ TP_PROTO(struct usbssp_ep_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DEFINE_EVENT(usbssp_log_ep_ctx, usbssp_handle_cmd_stop_ep,
+ TP_PROTO(struct usbssp_ep_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DEFINE_EVENT(usbssp_log_ep_ctx, usbssp_handle_cmd_set_deq_ep,
+ TP_PROTO(struct usbssp_ep_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DEFINE_EVENT(usbssp_log_ep_ctx, usbssp_handle_cmd_reset_ep,
+ TP_PROTO(struct usbssp_ep_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DEFINE_EVENT(usbssp_log_ep_ctx, usbssp_handle_cmd_config_ep,
+ TP_PROTO(struct usbssp_ep_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DECLARE_EVENT_CLASS(usbssp_log_slot_ctx,
+ TP_PROTO(struct usbssp_slot_ctx *ctx),
+ TP_ARGS(ctx),
+ TP_STRUCT__entry(
+ __field(u32, info)
+ __field(u32, info2)
+ __field(u32, int_target)
+ __field(u32, state)
+ ),
+ TP_fast_assign(
+ __entry->info = le32_to_cpu(ctx->dev_info);
+ __entry->info2 = le32_to_cpu(ctx->dev_info2);
+ __entry->int_target = le64_to_cpu(ctx->int_target);
+ __entry->state = le32_to_cpu(ctx->dev_state);
+ ),
+ TP_printk("%s", usbssp_decode_slot_context(__entry->info,
+ __entry->info2, __entry->int_target,
+ __entry->state)
+ )
+);
+
+DEFINE_EVENT(usbssp_log_slot_ctx, usbssp_alloc_dev,
+ TP_PROTO(struct usbssp_slot_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DEFINE_EVENT(usbssp_log_slot_ctx, usbssp_free_dev,
+ TP_PROTO(struct usbssp_slot_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DEFINE_EVENT(usbssp_log_slot_ctx, usbssp_handle_cmd_disable_slot,
+ TP_PROTO(struct usbssp_slot_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DEFINE_EVENT(usbssp_log_slot_ctx, usbssp_reset_device,
+ TP_PROTO(struct usbssp_slot_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DEFINE_EVENT(usbssp_log_slot_ctx, usbssp_setup_device_slot,
+ TP_PROTO(struct usbssp_slot_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DEFINE_EVENT(usbssp_log_slot_ctx, usbssp_handle_cmd_addr_dev,
+ TP_PROTO(struct usbssp_slot_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DEFINE_EVENT(usbssp_log_slot_ctx, usbssp_handle_cmd_reset_dev,
+ TP_PROTO(struct usbssp_slot_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DEFINE_EVENT(usbssp_log_slot_ctx, usbssp_handle_cmd_set_deq,
+ TP_PROTO(struct usbssp_slot_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DEFINE_EVENT(usbssp_log_slot_ctx, usbssp_configure_endpoint,
+ TP_PROTO(struct usbssp_slot_ctx *ctx),
+ TP_ARGS(ctx)
+);
+
+DECLARE_EVENT_CLASS(usbssp_log_ring,
+ TP_PROTO(struct usbssp_ring *ring),
+ TP_ARGS(ring),
+ TP_STRUCT__entry(
+ __field(u32, type)
+ __field(void *, ring)
+ __field(dma_addr_t, enq)
+ __field(dma_addr_t, deq)
+ __field(dma_addr_t, enq_seg)
+ __field(dma_addr_t, deq_seg)
+ __field(unsigned int, num_segs)
+ __field(unsigned int, stream_id)
+ __field(unsigned int, cycle_state)
+ __field(unsigned int, num_trbs_free)
+ __field(unsigned int, bounce_buf_len)
+ ),
+ TP_fast_assign(
+ __entry->ring = ring;
+ __entry->type = ring->type;
+ __entry->num_segs = ring->num_segs;
+ __entry->stream_id = ring->stream_id;
+ __entry->enq_seg = ring->enq_seg->dma;
+ __entry->deq_seg = ring->deq_seg->dma;
+ __entry->cycle_state = ring->cycle_state;
+ __entry->num_trbs_free = ring->num_trbs_free;
+ __entry->bounce_buf_len = ring->bounce_buf_len;
+ __entry->enq = usbssp_trb_virt_to_dma(ring->enq_seg, ring->enqueue);
+ __entry->deq = usbssp_trb_virt_to_dma(ring->deq_seg, ring->dequeue);
+ ),
+ TP_printk("%s %p: enq %pad(%pad) deq %pad(%pad) segs %d stream %d free_trbs %d bounce %d cycle %d",
+ usbssp_ring_type_string(__entry->type), __entry->ring,
+ &__entry->enq, &__entry->enq_seg,
+ &__entry->deq, &__entry->deq_seg,
+ __entry->num_segs,
+ __entry->stream_id,
+ __entry->num_trbs_free,
+ __entry->bounce_buf_len,
+ __entry->cycle_state
+ )
+);
+
+DEFINE_EVENT(usbssp_log_ring, usbssp_ring_alloc,
+ TP_PROTO(struct usbssp_ring *ring),
+ TP_ARGS(ring)
+);
+
+DEFINE_EVENT(usbssp_log_ring, usbssp_ring_free,
+ TP_PROTO(struct usbssp_ring *ring),
+ TP_ARGS(ring)
+);
+
+DEFINE_EVENT(usbssp_log_ring, usbssp_ring_expansion,
+ TP_PROTO(struct usbssp_ring *ring),
+ TP_ARGS(ring)
+);
+
+DEFINE_EVENT(usbssp_log_ring, usbssp_inc_enq,
+ TP_PROTO(struct usbssp_ring *ring),
+ TP_ARGS(ring)
+);
+
+DEFINE_EVENT(usbssp_log_ring, usbssp_inc_deq,
+ TP_PROTO(struct usbssp_ring *ring),
+ TP_ARGS(ring)
+);
+
+DECLARE_EVENT_CLASS(usbssp_log_portsc,
+ TP_PROTO(u32 portnum, u32 portsc),
+ TP_ARGS(portnum, portsc),
+ TP_STRUCT__entry(
+ __field(u32, portnum)
+ __field(u32, portsc)
+ ),
+ TP_fast_assign(
+ __entry->portnum = portnum;
+ __entry->portsc = portsc;
+ ),
+ TP_printk("port-%d: %s",
+ __entry->portnum,
+ usbssp_decode_portsc(__entry->portsc)
+ )
+);
+
+DEFINE_EVENT(usbssp_log_portsc, usbssp_handle_port_status,
+ TP_PROTO(u32 portnum, u32 portsc),
+ TP_ARGS(portnum, portsc)
+);
+
+DEFINE_EVENT(usbssp_log_portsc, usbssp_get_port_status,
+ TP_PROTO(u32 portnum, u32 portsc),
+ TP_ARGS(portnum, portsc)
+);
+
+#endif /* __USBSSP_TRACE_H */
+/* this part must be outside header guard */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE gadget-trace
+
+#include <trace/define_trace.h>
--
2.17.1
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