diff options
Diffstat (limited to 'drivers/usb/gadget/udc/cdns2/cdns2-trace.h')
| -rw-r--r-- | drivers/usb/gadget/udc/cdns2/cdns2-trace.h | 605 |
1 files changed, 605 insertions, 0 deletions
diff --git a/drivers/usb/gadget/udc/cdns2/cdns2-trace.h b/drivers/usb/gadget/udc/cdns2/cdns2-trace.h new file mode 100644 index 000000000000..61f241634ea5 --- /dev/null +++ b/drivers/usb/gadget/udc/cdns2/cdns2-trace.h @@ -0,0 +1,605 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * USBHS-DEV device controller driver. + * Trace support header file. + * + * Copyright (C) 2023 Cadence. + * + * Author: Pawel Laszczak <pawell@cadence.com> + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM cdns2-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 cdns2_dev + +#if !defined(__LINUX_CDNS2_TRACE) || defined(TRACE_HEADER_MULTI_READ) +#define __LINUX_CDNS2_TRACE + +#include <linux/types.h> +#include <linux/tracepoint.h> +#include <asm/byteorder.h> +#include <linux/usb/ch9.h> +#include "cdns2-gadget.h" +#include "cdns2-debug.h" + +#define CDNS2_MSG_MAX 500 + +DECLARE_EVENT_CLASS(cdns2_log_enable_disable, + TP_PROTO(int set), + TP_ARGS(set), + TP_STRUCT__entry( + __field(int, set) + ), + TP_fast_assign( + __entry->set = set; + ), + TP_printk("%s", __entry->set ? "enabled" : "disabled") +); + +DEFINE_EVENT(cdns2_log_enable_disable, cdns2_pullup, + TP_PROTO(int set), + TP_ARGS(set) +); + +DEFINE_EVENT(cdns2_log_enable_disable, cdns2_lpm, + TP_PROTO(int set), + TP_ARGS(set) +); + +DEFINE_EVENT(cdns2_log_enable_disable, cdns2_may_wakeup, + TP_PROTO(int set), + TP_ARGS(set) +); + +DECLARE_EVENT_CLASS(cdns2_log_simple, + TP_PROTO(char *msg), + TP_ARGS(msg), + TP_STRUCT__entry( + __string(text, msg) + ), + TP_fast_assign( + __assign_str(text, msg); + ), + TP_printk("%s", __get_str(text)) +); + +DEFINE_EVENT(cdns2_log_simple, cdns2_no_room_on_ring, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdns2_log_simple, cdns2_ep0_status_stage, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdns2_log_simple, cdns2_ep0_set_config, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdns2_log_simple, cdns2_ep0_setup, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdns2_log_simple, cdns2_device_state, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +TRACE_EVENT(cdns2_ep_halt, + TP_PROTO(struct cdns2_endpoint *ep_priv, u8 halt, u8 flush), + TP_ARGS(ep_priv, halt, flush), + TP_STRUCT__entry( + __string(name, ep_priv->name) + __field(u8, halt) + __field(u8, flush) + ), + TP_fast_assign( + __assign_str(name, ep_priv->name); + __entry->halt = halt; + __entry->flush = flush; + ), + TP_printk("Halt %s for %s: %s", __entry->flush ? " and flush" : "", + __get_str(name), __entry->halt ? "set" : "cleared") +); + +TRACE_EVENT(cdns2_wa1, + TP_PROTO(struct cdns2_endpoint *ep_priv, char *msg), + TP_ARGS(ep_priv, msg), + TP_STRUCT__entry( + __string(ep_name, ep_priv->name) + __string(msg, msg) + ), + TP_fast_assign( + __assign_str(ep_name, ep_priv->name); + __assign_str(msg, msg); + ), + TP_printk("WA1: %s %s", __get_str(ep_name), __get_str(msg)) +); + +DECLARE_EVENT_CLASS(cdns2_log_doorbell, + TP_PROTO(struct cdns2_endpoint *pep, u32 ep_trbaddr), + TP_ARGS(pep, ep_trbaddr), + TP_STRUCT__entry( + __string(name, pep->num ? pep->name : + (pep->dir ? "ep0in" : "ep0out")) + __field(u32, ep_trbaddr) + ), + TP_fast_assign( + __assign_str(name, pep->name); + __entry->ep_trbaddr = ep_trbaddr; + ), + TP_printk("%s, ep_trbaddr %08x", __get_str(name), + __entry->ep_trbaddr) +); + +DEFINE_EVENT(cdns2_log_doorbell, cdns2_doorbell_ep0, + TP_PROTO(struct cdns2_endpoint *pep, u32 ep_trbaddr), + TP_ARGS(pep, ep_trbaddr) +); + +DEFINE_EVENT(cdns2_log_doorbell, cdns2_doorbell_epx, + TP_PROTO(struct cdns2_endpoint *pep, u32 ep_trbaddr), + TP_ARGS(pep, ep_trbaddr) +); + +DECLARE_EVENT_CLASS(cdns2_log_usb_irq, + TP_PROTO(u32 usb_irq, u32 ext_irq), + TP_ARGS(usb_irq, ext_irq), + TP_STRUCT__entry( + __field(u32, usb_irq) + __field(u32, ext_irq) + ), + TP_fast_assign( + __entry->usb_irq = usb_irq; + __entry->ext_irq = ext_irq; + ), + TP_printk("%s", cdns2_decode_usb_irq(__get_buf(CDNS2_MSG_MAX), + CDNS2_MSG_MAX, + __entry->usb_irq, + __entry->ext_irq)) +); + +DEFINE_EVENT(cdns2_log_usb_irq, cdns2_usb_irq, + TP_PROTO(u32 usb_irq, u32 ext_irq), + TP_ARGS(usb_irq, ext_irq) +); + +TRACE_EVENT(cdns2_dma_ep_ists, + TP_PROTO(u32 dma_ep_ists), + TP_ARGS(dma_ep_ists), + TP_STRUCT__entry( + __field(u32, dma_ep_ists) + ), + TP_fast_assign( + __entry->dma_ep_ists = dma_ep_ists; + ), + TP_printk("OUT: 0x%04x, IN: 0x%04x", (u16)__entry->dma_ep_ists, + __entry->dma_ep_ists >> 16) +); + +DECLARE_EVENT_CLASS(cdns2_log_epx_irq, + TP_PROTO(struct cdns2_device *pdev, struct cdns2_endpoint *pep), + TP_ARGS(pdev, pep), + TP_STRUCT__entry( + __string(ep_name, pep->name) + __field(u32, ep_sts) + __field(u32, ep_ists) + __field(u32, ep_traddr) + ), + TP_fast_assign( + __assign_str(ep_name, pep->name); + __entry->ep_sts = readl(&pdev->adma_regs->ep_sts); + __entry->ep_ists = readl(&pdev->adma_regs->ep_ists); + __entry->ep_traddr = readl(&pdev->adma_regs->ep_traddr); + ), + TP_printk("%s, ep_traddr: %08x", + cdns2_decode_epx_irq(__get_buf(CDNS2_MSG_MAX), CDNS2_MSG_MAX, + __get_str(ep_name), + __entry->ep_ists, __entry->ep_sts), + __entry->ep_traddr) +); + +DEFINE_EVENT(cdns2_log_epx_irq, cdns2_epx_irq, + TP_PROTO(struct cdns2_device *pdev, struct cdns2_endpoint *pep), + TP_ARGS(pdev, pep) +); + +DECLARE_EVENT_CLASS(cdns2_log_ep0_irq, + TP_PROTO(struct cdns2_device *pdev), + TP_ARGS(pdev), + TP_STRUCT__entry( + __field(int, ep_dir) + __field(u32, ep_ists) + __field(u32, ep_sts) + ), + TP_fast_assign( + __entry->ep_dir = pdev->selected_ep; + __entry->ep_ists = readl(&pdev->adma_regs->ep_ists); + __entry->ep_sts = readl(&pdev->adma_regs->ep_sts); + ), + TP_printk("%s", cdns2_decode_ep0_irq(__get_buf(CDNS2_MSG_MAX), + CDNS2_MSG_MAX, + __entry->ep_ists, __entry->ep_sts, + __entry->ep_dir)) +); + +DEFINE_EVENT(cdns2_log_ep0_irq, cdns2_ep0_irq, + TP_PROTO(struct cdns2_device *pdev), + TP_ARGS(pdev) +); + +DECLARE_EVENT_CLASS(cdns2_log_ctrl, + TP_PROTO(struct usb_ctrlrequest *ctrl), + TP_ARGS(ctrl), + TP_STRUCT__entry( + __field(u8, bRequestType) + __field(u8, bRequest) + __field(u16, wValue) + __field(u16, wIndex) + __field(u16, wLength) + ), + TP_fast_assign( + __entry->bRequestType = ctrl->bRequestType; + __entry->bRequest = ctrl->bRequest; + __entry->wValue = le16_to_cpu(ctrl->wValue); + __entry->wIndex = le16_to_cpu(ctrl->wIndex); + __entry->wLength = le16_to_cpu(ctrl->wLength); + ), + TP_printk("%s", usb_decode_ctrl(__get_buf(CDNS2_MSG_MAX), CDNS2_MSG_MAX, + __entry->bRequestType, + __entry->bRequest, __entry->wValue, + __entry->wIndex, __entry->wLength) + ) +); + +DEFINE_EVENT(cdns2_log_ctrl, cdns2_ctrl_req, + TP_PROTO(struct usb_ctrlrequest *ctrl), + TP_ARGS(ctrl) +); + +DECLARE_EVENT_CLASS(cdns2_log_request, + TP_PROTO(struct cdns2_request *preq), + TP_ARGS(preq), + TP_STRUCT__entry( + __string(name, preq->pep->name) + __field(struct usb_request *, request) + __field(struct cdns2_request *, preq) + __field(void *, buf) + __field(unsigned int, actual) + __field(unsigned int, length) + __field(int, status) + __field(dma_addr_t, dma) + __field(int, zero) + __field(int, short_not_ok) + __field(int, no_interrupt) + __field(struct scatterlist*, sg) + __field(unsigned int, num_sgs) + __field(unsigned int, num_mapped_sgs) + __field(int, start_trb) + __field(int, end_trb) + ), + TP_fast_assign( + __assign_str(name, preq->pep->name); + __entry->request = &preq->request; + __entry->preq = preq; + __entry->buf = preq->request.buf; + __entry->actual = preq->request.actual; + __entry->length = preq->request.length; + __entry->status = preq->request.status; + __entry->dma = preq->request.dma; + __entry->zero = preq->request.zero; + __entry->short_not_ok = preq->request.short_not_ok; + __entry->no_interrupt = preq->request.no_interrupt; + __entry->sg = preq->request.sg; + __entry->num_sgs = preq->request.num_sgs; + __entry->num_mapped_sgs = preq->request.num_mapped_sgs; + __entry->start_trb = preq->start_trb; + __entry->end_trb = preq->end_trb; + ), + TP_printk("%s: req: %p, preq: %p, req buf: %p, length: %u/%u, status: %d," + "buf dma: (%pad), %s%s%s, sg: %p, num_sgs: %d, num_m_sgs: %d," + "trb: [start: %d, end: %d]", + __get_str(name), __entry->request, __entry->preq, + __entry->buf, __entry->actual, __entry->length, + __entry->status, &__entry->dma, + __entry->zero ? "Z" : "z", + __entry->short_not_ok ? "S" : "s", + __entry->no_interrupt ? "I" : "i", + __entry->sg, __entry->num_sgs, __entry->num_mapped_sgs, + __entry->start_trb, + __entry->end_trb + ) +); + +DEFINE_EVENT(cdns2_log_request, cdns2_request_enqueue, + TP_PROTO(struct cdns2_request *preq), + TP_ARGS(preq) +); + +DEFINE_EVENT(cdns2_log_request, cdns2_request_enqueue_error, + TP_PROTO(struct cdns2_request *preq), + TP_ARGS(preq) +); + +DEFINE_EVENT(cdns2_log_request, cdns2_alloc_request, + TP_PROTO(struct cdns2_request *preq), + TP_ARGS(preq) +); + +DEFINE_EVENT(cdns2_log_request, cdns2_free_request, + TP_PROTO(struct cdns2_request *preq), + TP_ARGS(preq) +); + +DEFINE_EVENT(cdns2_log_request, cdns2_ep_queue, + TP_PROTO(struct cdns2_request *preq), + TP_ARGS(preq) +); + +DEFINE_EVENT(cdns2_log_request, cdns2_request_dequeue, + TP_PROTO(struct cdns2_request *preq), + TP_ARGS(preq) +); + +DEFINE_EVENT(cdns2_log_request, cdns2_request_giveback, + TP_PROTO(struct cdns2_request *preq), + TP_ARGS(preq) +); + +TRACE_EVENT(cdns2_ep0_enqueue, + TP_PROTO(struct cdns2_device *dev_priv, struct usb_request *request), + TP_ARGS(dev_priv, request), + TP_STRUCT__entry( + __field(int, dir) + __field(int, length) + ), + TP_fast_assign( + __entry->dir = dev_priv->eps[0].dir; + __entry->length = request->length; + ), + TP_printk("Queue to ep0%s length: %u", __entry->dir ? "in" : "out", + __entry->length) +); + +DECLARE_EVENT_CLASS(cdns2_log_map_request, + TP_PROTO(struct cdns2_request *priv_req), + TP_ARGS(priv_req), + TP_STRUCT__entry( + __string(name, priv_req->pep->name) + __field(struct usb_request *, req) + __field(void *, buf) + __field(dma_addr_t, dma) + ), + TP_fast_assign( + __assign_str(name, priv_req->pep->name); + __entry->req = &priv_req->request; + __entry->buf = priv_req->request.buf; + __entry->dma = priv_req->request.dma; + ), + TP_printk("%s: req: %p, req buf %p, dma %p", + __get_str(name), __entry->req, __entry->buf, &__entry->dma + ) +); + +DEFINE_EVENT(cdns2_log_map_request, cdns2_map_request, + TP_PROTO(struct cdns2_request *req), + TP_ARGS(req) +); +DEFINE_EVENT(cdns2_log_map_request, cdns2_mapped_request, + TP_PROTO(struct cdns2_request *req), + TP_ARGS(req) +); + +DECLARE_EVENT_CLASS(cdns2_log_trb, + TP_PROTO(struct cdns2_endpoint *pep, struct cdns2_trb *trb), + TP_ARGS(pep, trb), + TP_STRUCT__entry( + __string(name, pep->name) + __field(struct cdns2_trb *, trb) + __field(u32, buffer) + __field(u32, length) + __field(u32, control) + __field(u32, type) + ), + TP_fast_assign( + __assign_str(name, pep->name); + __entry->trb = trb; + __entry->buffer = le32_to_cpu(trb->buffer); + __entry->length = le32_to_cpu(trb->length); + __entry->control = le32_to_cpu(trb->control); + __entry->type = usb_endpoint_type(pep->endpoint.desc); + ), + TP_printk("%s: trb V: %p, dma buf: P: 0x%08x, %s", + __get_str(name), __entry->trb, __entry->buffer, + cdns2_decode_trb(__get_buf(CDNS2_MSG_MAX), CDNS2_MSG_MAX, + __entry->control, __entry->length, + __entry->buffer)) +); + +DEFINE_EVENT(cdns2_log_trb, cdns2_queue_trb, + TP_PROTO(struct cdns2_endpoint *pep, struct cdns2_trb *trb), + TP_ARGS(pep, trb) +); + +DEFINE_EVENT(cdns2_log_trb, cdns2_complete_trb, + TP_PROTO(struct cdns2_endpoint *pep, struct cdns2_trb *trb), + TP_ARGS(pep, trb) +); + +DECLARE_EVENT_CLASS(cdns2_log_ring, + TP_PROTO(struct cdns2_endpoint *pep), + TP_ARGS(pep), + TP_STRUCT__entry( + __dynamic_array(u8, tr_seg, TR_SEG_SIZE) + __dynamic_array(u8, pep, sizeof(struct cdns2_endpoint)) + __dynamic_array(char, buffer, + (TRBS_PER_SEGMENT * 65) + CDNS2_MSG_MAX) + ), + TP_fast_assign( + memcpy(__get_dynamic_array(pep), pep, + sizeof(struct cdns2_endpoint)); + memcpy(__get_dynamic_array(tr_seg), pep->ring.trbs, + TR_SEG_SIZE); + ), + + TP_printk("%s", + cdns2_raw_ring((struct cdns2_endpoint *)__get_str(pep), + (struct cdns2_trb *)__get_str(tr_seg), + __get_str(buffer), + (TRBS_PER_SEGMENT * 65) + CDNS2_MSG_MAX)) +); + +DEFINE_EVENT(cdns2_log_ring, cdns2_ring, + TP_PROTO(struct cdns2_endpoint *pep), + TP_ARGS(pep) +); + +DECLARE_EVENT_CLASS(cdns2_log_ep, + TP_PROTO(struct cdns2_endpoint *pep), + TP_ARGS(pep), + TP_STRUCT__entry( + __string(name, pep->name) + __field(unsigned int, maxpacket) + __field(unsigned int, maxpacket_limit) + __field(unsigned int, flags) + __field(unsigned int, dir) + __field(u8, enqueue) + __field(u8, dequeue) + ), + TP_fast_assign( + __assign_str(name, pep->name); + __entry->maxpacket = pep->endpoint.maxpacket; + __entry->maxpacket_limit = pep->endpoint.maxpacket_limit; + __entry->flags = pep->ep_state; + __entry->dir = pep->dir; + __entry->enqueue = pep->ring.enqueue; + __entry->dequeue = pep->ring.dequeue; + ), + TP_printk("%s: mps: %d/%d, enq idx: %d, deq idx: %d, " + "flags: %s%s%s%s, dir: %s", + __get_str(name), __entry->maxpacket, + __entry->maxpacket_limit, __entry->enqueue, + __entry->dequeue, + __entry->flags & EP_ENABLED ? "EN | " : "", + __entry->flags & EP_STALLED ? "STALLED | " : "", + __entry->flags & EP_WEDGE ? "WEDGE | " : "", + __entry->flags & EP_RING_FULL ? "RING FULL |" : "", + __entry->dir ? "IN" : "OUT" + ) +); + +DEFINE_EVENT(cdns2_log_ep, cdns2_gadget_ep_enable, + TP_PROTO(struct cdns2_endpoint *pep), + TP_ARGS(pep) +); + +DEFINE_EVENT(cdns2_log_ep, cdns2_gadget_ep_disable, + TP_PROTO(struct cdns2_endpoint *pep), + TP_ARGS(pep) +); + +DEFINE_EVENT(cdns2_log_ep, cdns2_iso_out_ep_disable, + TP_PROTO(struct cdns2_endpoint *pep), + TP_ARGS(pep) +); + +DEFINE_EVENT(cdns2_log_ep, cdns2_ep_busy_try_halt_again, + TP_PROTO(struct cdns2_endpoint *pep), + TP_ARGS(pep) +); + +DECLARE_EVENT_CLASS(cdns2_log_request_handled, + TP_PROTO(struct cdns2_request *priv_req, int current_index, + int handled), + TP_ARGS(priv_req, current_index, handled), + TP_STRUCT__entry( + __field(struct cdns2_request *, priv_req) + __field(unsigned int, dma_position) + __field(unsigned int, handled) + __field(unsigned int, dequeue_idx) + __field(unsigned int, enqueue_idx) + __field(unsigned int, start_trb) + __field(unsigned int, end_trb) + ), + TP_fast_assign( + __entry->priv_req = priv_req; + __entry->dma_position = current_index; + __entry->handled = handled; + __entry->dequeue_idx = priv_req->pep->ring.dequeue; + __entry->enqueue_idx = priv_req->pep->ring.enqueue; + __entry->start_trb = priv_req->start_trb; + __entry->end_trb = priv_req->end_trb; + ), + TP_printk("Req: %p %s, DMA pos: %d, ep deq: %d, ep enq: %d," + " start trb: %d, end trb: %d", + __entry->priv_req, + __entry->handled ? "handled" : "not handled", + __entry->dma_position, __entry->dequeue_idx, + __entry->enqueue_idx, __entry->start_trb, + __entry->end_trb + ) +); + +DEFINE_EVENT(cdns2_log_request_handled, cdns2_request_handled, + TP_PROTO(struct cdns2_request *priv_req, int current_index, + int handled), + TP_ARGS(priv_req, current_index, handled) +); + +DECLARE_EVENT_CLASS(cdns2_log_epx_reg_config, + TP_PROTO(struct cdns2_device *pdev, struct cdns2_endpoint *pep), + TP_ARGS(pdev, pep), + TP_STRUCT__entry( + __string(ep_name, pep->name) + __field(u8, burst_size) + __field(__le16, maxpack_reg) + __field(__u8, con_reg) + __field(u32, ep_sel_reg) + __field(u32, ep_sts_en_reg) + __field(u32, ep_cfg_reg) + ), + TP_fast_assign( + __assign_str(ep_name, pep->name); + __entry->burst_size = pep->trb_burst_size; + __entry->maxpack_reg = pep->dir ? readw(&pdev->epx_regs->txmaxpack[pep->num - 1]) : + readw(&pdev->epx_regs->rxmaxpack[pep->num - 1]); + __entry->con_reg = pep->dir ? readb(&pdev->epx_regs->ep[pep->num - 1].txcon) : + readb(&pdev->epx_regs->ep[pep->num - 1].rxcon); + __entry->ep_sel_reg = readl(&pdev->adma_regs->ep_sel); + __entry->ep_sts_en_reg = readl(&pdev->adma_regs->ep_sts_en); + __entry->ep_cfg_reg = readl(&pdev->adma_regs->ep_cfg); + ), + + TP_printk("%s, maxpack: %d, con: %02x, dma_ep_sel: %08x, dma_ep_sts_en: %08x" + " dma_ep_cfg %08x", + __get_str(ep_name), __entry->maxpack_reg, __entry->con_reg, + __entry->ep_sel_reg, __entry->ep_sts_en_reg, + __entry->ep_cfg_reg + ) +); + +DEFINE_EVENT(cdns2_log_epx_reg_config, cdns2_epx_hw_cfg, + TP_PROTO(struct cdns2_device *pdev, struct cdns2_endpoint *pep), + TP_ARGS(pdev, pep) +); + +#endif /* __LINUX_CDNS2_TRACE */ + +/* This part must be outside header guard. */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . + +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE cdns2-trace + +#include <trace/define_trace.h> |