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Signed-off-by: Pawel Laszczak --- drivers/usb/cdnsp/Makefile | 5 + drivers/usb/cdnsp/debug.h | 583 +++++++++++++++++++++++++ drivers/usb/cdnsp/ep0.c | 24 +- drivers/usb/cdnsp/gadget.c | 75 +++- drivers/usb/cdnsp/mem.c | 18 +- drivers/usb/cdnsp/ring.c | 75 +++- drivers/usb/cdnsp/trace.c | 12 + drivers/usb/cdnsp/trace.h | 840 +++++++++++++++++++++++++++++++++++++ 8 files changed, 1616 insertions(+), 16 deletions(-) create mode 100644 drivers/usb/cdnsp/debug.h create mode 100644 drivers/usb/cdnsp/trace.c create mode 100644 drivers/usb/cdnsp/trace.h diff --git a/drivers/usb/cdnsp/Makefile b/drivers/usb/cdnsp/Makefile index 53202b21a8d2..af8573c0ab14 100644 --- a/drivers/usb/cdnsp/Makefile +++ b/drivers/usb/cdnsp/Makefile @@ -1,7 +1,12 @@ # SPDX-License-Identifier: GPL-2.0 +# define_trace.h needs to know how to find our header +CFLAGS_trace.o := -I$(src) cdnsp-udc-pci-y := cdnsp-pci.o obj-$(CONFIG_USB_CDNSP_PCI) += cdnsp-udc-pci.o cdnsp-udc-pci-$(CONFIG_USB_CDNSP_GADGET) += ring.o gadget.o mem.o ep0.o +ifneq ($(CONFIG_USB_CDNSP_GADGET),) +cdnsp-udc-pci-$(CONFIG_TRACING) += trace.o +endif diff --git a/drivers/usb/cdnsp/debug.h b/drivers/usb/cdnsp/debug.h new file mode 100644 index 000000000000..d6345d4d2911 --- /dev/null +++ b/drivers/usb/cdnsp/debug.h @@ -0,0 +1,583 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Cadence CDNSP DRD Driver. + * + * Copyright (C) 2020 Cadence. + * + * Author: Pawel Laszczak + * + */ +#ifndef __LINUX_CDNSP_DEBUG +#define __LINUX_CDNSP_DEBUG + +static inline const char *cdnsp_trb_comp_code_string(u8 status) +{ + switch (status) { + case COMP_INVALID: + return "Invalid"; + case COMP_SUCCESS: + return "Success"; + case COMP_DATA_BUFFER_ERROR: + return "Data Buffer Error"; + case COMP_BABBLE_DETECTED_ERROR: + return "Babble Detected"; + case COMP_TRB_ERROR: + return "TRB Error"; + case COMP_RESOURCE_ERROR: + return "Resource Error"; + case COMP_NO_SLOTS_AVAILABLE_ERROR: + return "No Slots Available Error"; + case COMP_INVALID_STREAM_TYPE_ERROR: + return "Invalid Stream Type Error"; + case COMP_SLOT_NOT_ENABLED_ERROR: + return "Slot Not Enabled Error"; + case COMP_ENDPOINT_NOT_ENABLED_ERROR: + return "Endpoint Not Enabled Error"; + case COMP_SHORT_PACKET: + return "Short Packet"; + case COMP_RING_UNDERRUN: + return "Ring Underrun"; + case COMP_RING_OVERRUN: + return "Ring Overrun"; + case COMP_VF_EVENT_RING_FULL_ERROR: + return "VF Event Ring Full Error"; + case COMP_PARAMETER_ERROR: + return "Parameter Error"; + case COMP_CONTEXT_STATE_ERROR: + return "Context State Error"; + case COMP_EVENT_RING_FULL_ERROR: + return "Event Ring Full Error"; + case COMP_INCOMPATIBLE_DEVICE_ERROR: + return "Incompatible Device Error"; + case COMP_MISSED_SERVICE_ERROR: + return "Missed Service Error"; + case COMP_COMMAND_RING_STOPPED: + return "Command Ring Stopped"; + case COMP_COMMAND_ABORTED: + return "Command Aborted"; + case COMP_STOPPED: + return "Stopped"; + case COMP_STOPPED_LENGTH_INVALID: + return "Stopped - Length Invalid"; + case COMP_STOPPED_SHORT_PACKET: + return "Stopped - Short Packet"; + case COMP_MAX_EXIT_LATENCY_TOO_LARGE_ERROR: + return "Max Exit Latency Too Large Error"; + case COMP_ISOCH_BUFFER_OVERRUN: + return "Isoch Buffer Overrun"; + case COMP_EVENT_LOST_ERROR: + return "Event Lost Error"; + case COMP_UNDEFINED_ERROR: + return "Undefined Error"; + case COMP_INVALID_STREAM_ID_ERROR: + return "Invalid Stream ID Error"; + default: + return "Unknown!!"; + } +} + +static inline const char *cdnsp_trb_type_string(u8 type) +{ + switch (type) { + case TRB_NORMAL: + return "Normal"; + case TRB_SETUP: + return "Setup Stage"; + case TRB_DATA: + return "Data Stage"; + case TRB_STATUS: + return "Status Stage"; + case TRB_ISOC: + return "Isoch"; + case TRB_LINK: + return "Link"; + case TRB_EVENT_DATA: + return "Event Data"; + case TRB_TR_NOOP: + return "No-Op"; + case TRB_ENABLE_SLOT: + return "Enable Slot Command"; + case TRB_DISABLE_SLOT: + return "Disable Slot Command"; + case TRB_ADDR_DEV: + return "Address Device Command"; + case TRB_CONFIG_EP: + return "Configure Endpoint Command"; + case TRB_EVAL_CONTEXT: + return "Evaluate Context Command"; + case TRB_RESET_EP: + return "Reset Endpoint Command"; + case TRB_STOP_RING: + return "Stop Ring Command"; + case TRB_SET_DEQ: + return "Set TR Dequeue Pointer Command"; + case TRB_RESET_DEV: + return "Reset Device Command"; + case TRB_FORCE_HEADER: + return "Force Header Command"; + case TRB_CMD_NOOP: + return "No-Op Command"; + case TRB_TRANSFER: + return "Transfer Event"; + case TRB_COMPLETION: + return "Command Completion Event"; + case TRB_PORT_STATUS: + return "Port Status Change Event"; + case TRB_HC_EVENT: + return "Device Controller Event"; + case TRB_MFINDEX_WRAP: + return "MFINDEX Wrap Event"; + case TRB_ENDPOINT_NRDY: + return "Endpoint Not ready"; + case TRB_HALT_ENDPOINT: + return "Halt Endpoint"; + case TRB_FLUSH_ENDPOINT: + return "FLush Endpoint"; + default: + return "UNKNOWN"; + } +} + +static inline const char *cdnsp_ring_type_string(enum cdnsp_ring_type type) +{ + switch (type) { + case TYPE_CTRL: + return "CTRL"; + case TYPE_ISOC: + return "ISOC"; + case TYPE_BULK: + return "BULK"; + case TYPE_INTR: + return "INTR"; + case TYPE_STREAM: + return "STREAM"; + case TYPE_COMMAND: + return "CMD"; + case TYPE_EVENT: + return "EVENT"; + } + + return "UNKNOWN"; +} + +static inline char *cdnsp_slot_state_string(u32 state) +{ + switch (state) { + case SLOT_STATE_ENABLED: + return "enabled/disabled"; + case SLOT_STATE_DEFAULT: + return "default"; + case SLOT_STATE_ADDRESSED: + return "addressed"; + case SLOT_STATE_CONFIGURED: + return "configured"; + default: + return "reserved"; + } +} + +static inline const char *cdnsp_decode_trb(char *str, size_t size, u32 field0, + u32 field1, u32 field2, u32 field3) +{ + int ep_id = TRB_TO_EP_INDEX(field3) - 1; + int type = TRB_FIELD_TO_TYPE(field3); + unsigned int ep_num; + int ret = 0; + u32 temp; + + ep_num = DIV_ROUND_UP(ep_id, 2); + + switch (type) { + case TRB_LINK: + ret += snprintf(str, size, + "LINK %08x%08x intr %ld type '%s' flags %c:%c:%c:%c", + field1, field0, GET_INTR_TARGET(field2), + cdnsp_trb_type_string(type), + field3 & TRB_IOC ? 'I' : 'i', + field3 & TRB_CHAIN ? 'C' : 'c', + field3 & TRB_TC ? 'T' : 't', + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_TRANSFER: + case TRB_COMPLETION: + case TRB_PORT_STATUS: + case TRB_HC_EVENT: + ret += snprintf(str, size, + "ep%d%s(%d) type '%s' TRB %08x%08x status '%s'" + " len %ld slot %ld flags %c:%c", + ep_num, ep_id % 2 ? "out" : "in", + TRB_TO_EP_INDEX(field3), + cdnsp_trb_type_string(type), field1, field0, + cdnsp_trb_comp_code_string(GET_COMP_CODE(field2)), + EVENT_TRB_LEN(field2), TRB_TO_SLOT_ID(field3), + field3 & EVENT_DATA ? 'E' : 'e', + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_MFINDEX_WRAP: + ret += snprintf(str, size, "%s: flags %c", + cdnsp_trb_type_string(type), + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_SETUP: + ret += snprintf(str, size, + "type '%s' bRequestType %02x bRequest %02x " + "wValue %02x%02x wIndex %02x%02x wLength %d " + "length %ld TD size %ld intr %ld Setup ID %ld " + "flags %c:%c:%c", + cdnsp_trb_type_string(type), + field0 & 0xff, + (field0 & 0xff00) >> 8, + (field0 & 0xff000000) >> 24, + (field0 & 0xff0000) >> 16, + (field1 & 0xff00) >> 8, + field1 & 0xff, + (field1 & 0xff000000) >> 16 | + (field1 & 0xff0000) >> 16, + TRB_LEN(field2), GET_TD_SIZE(field2), + GET_INTR_TARGET(field2), + TRB_SETUPID_TO_TYPE(field3), + field3 & TRB_IDT ? 'D' : 'd', + field3 & TRB_IOC ? 'I' : 'i', + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_DATA: + ret += snprintf(str, size, + "type '%s' Buffer %08x%08x length %ld TD size %ld " + "intr %ld flags %c:%c:%c:%c:%c:%c:%c", + cdnsp_trb_type_string(type), + field1, field0, TRB_LEN(field2), + GET_TD_SIZE(field2), + GET_INTR_TARGET(field2), + field3 & TRB_IDT ? 'D' : 'i', + field3 & TRB_IOC ? 'I' : 'i', + field3 & TRB_CHAIN ? 'C' : 'c', + field3 & TRB_NO_SNOOP ? 'S' : 's', + field3 & TRB_ISP ? 'I' : 'i', + field3 & TRB_ENT ? 'E' : 'e', + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_STATUS: + ret += snprintf(str, size, + "Buffer %08x%08x length %ld TD size %ld intr" + "%ld type '%s' flags %c:%c:%c:%c", + field1, field0, TRB_LEN(field2), + GET_TD_SIZE(field2), + GET_INTR_TARGET(field2), + cdnsp_trb_type_string(type), + field3 & TRB_IOC ? 'I' : 'i', + field3 & TRB_CHAIN ? 'C' : 'c', + field3 & TRB_ENT ? 'E' : 'e', + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_NORMAL: + case TRB_ISOC: + case TRB_EVENT_DATA: + case TRB_TR_NOOP: + ret += snprintf(str, size, + "type '%s' Buffer %08x%08x length %ld " + "TD size %ld intr %ld " + "flags %c:%c:%c:%c:%c:%c:%c:%c:%c", + cdnsp_trb_type_string(type), + field1, field0, TRB_LEN(field2), + GET_TD_SIZE(field2), + GET_INTR_TARGET(field2), + field3 & TRB_BEI ? 'B' : 'b', + field3 & TRB_IDT ? 'T' : 't', + field3 & TRB_IOC ? 'I' : 'i', + field3 & TRB_CHAIN ? 'C' : 'c', + field3 & TRB_NO_SNOOP ? 'S' : 's', + field3 & TRB_ISP ? 'I' : 'i', + field3 & TRB_ENT ? 'E' : 'e', + field3 & TRB_CYCLE ? 'C' : 'c', + !(field3 & TRB_EVENT_INVALIDATE) ? 'V' : 'v'); + break; + case TRB_CMD_NOOP: + case TRB_ENABLE_SLOT: + ret += snprintf(str, size, "%s: flags %c", + cdnsp_trb_type_string(type), + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_DISABLE_SLOT: + ret += snprintf(str, size, "%s: slot %ld flags %c", + cdnsp_trb_type_string(type), + TRB_TO_SLOT_ID(field3), + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_ADDR_DEV: + ret += snprintf(str, size, + "%s: ctx %08x%08x slot %ld flags %c:%c", + cdnsp_trb_type_string(type), field1, field0, + TRB_TO_SLOT_ID(field3), + field3 & TRB_BSR ? 'B' : 'b', + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_CONFIG_EP: + ret += snprintf(str, size, + "%s: ctx %08x%08x slot %ld flags %c:%c", + cdnsp_trb_type_string(type), field1, field0, + TRB_TO_SLOT_ID(field3), + field3 & TRB_DC ? 'D' : 'd', + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_EVAL_CONTEXT: + ret += snprintf(str, size, + "%s: ctx %08x%08x slot %ld flags %c", + cdnsp_trb_type_string(type), field1, field0, + TRB_TO_SLOT_ID(field3), + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_RESET_EP: + case TRB_HALT_ENDPOINT: + case TRB_FLUSH_ENDPOINT: + ret += snprintf(str, size, + "%s: ep%d%s(%d) ctx %08x%08x slot %ld flags %c", + cdnsp_trb_type_string(type), + ep_num, ep_id % 2 ? "out" : "in", + TRB_TO_EP_INDEX(field3), field1, field0, + TRB_TO_SLOT_ID(field3), + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_STOP_RING: + ret += snprintf(str, size, + "%s: ep%d%s(%d) slot %ld sp %d flags %c", + cdnsp_trb_type_string(type), + ep_num, ep_id % 2 ? "out" : "in", + TRB_TO_EP_INDEX(field3), + TRB_TO_SLOT_ID(field3), + TRB_TO_SUSPEND_PORT(field3), + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_SET_DEQ: + ret += snprintf(str, size, + "%s: ep%d%s(%d) deq %08x%08x stream %ld slot %ld flags %c", + cdnsp_trb_type_string(type), + ep_num, ep_id % 2 ? "out" : "in", + TRB_TO_EP_INDEX(field3), field1, field0, + TRB_TO_STREAM_ID(field2), + TRB_TO_SLOT_ID(field3), + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_RESET_DEV: + ret += snprintf(str, size, "%s: slot %ld flags %c", + cdnsp_trb_type_string(type), + TRB_TO_SLOT_ID(field3), + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + case TRB_ENDPOINT_NRDY: + temp = TRB_TO_HOST_STREAM(field2); + + ret += snprintf(str, size, + "%s: ep%d%s(%d) H_SID %x%s%s D_SID %lx flags %c:%c", + cdnsp_trb_type_string(type), + ep_num, ep_id % 2 ? "out" : "in", + TRB_TO_EP_INDEX(field3), temp, + temp == STREAM_PRIME_ACK ? "(PRIME)" : "", + temp == STREAM_REJECTED ? "(REJECTED)" : "", + TRB_TO_DEV_STREAM(field0), + field3 & TRB_STAT ? 'S' : 's', + field3 & TRB_CYCLE ? 'C' : 'c'); + break; + default: + ret += snprintf(str, size, + "type '%s' -> raw %08x %08x %08x %08x", + cdnsp_trb_type_string(type), + field0, field1, field2, field3); + } + + return str; +} + +static inline const char *cdnsp_decode_slot_context(u32 info, u32 info2, + u32 int_target, u32 state) +{ + static char str[1024]; + int ret = 0; + u32 speed; + char *s; + + speed = info & DEV_SPEED; + + switch (speed) { + case SLOT_SPEED_FS: + s = "full-speed"; + break; + case SLOT_SPEED_HS: + s = "high-speed"; + break; + case SLOT_SPEED_SS: + s = "super-speed"; + break; + case SLOT_SPEED_SSP: + s = "super-speed plus"; + break; + default: + s = "UNKNOWN speed"; + } + + ret = sprintf(str, "%s Ctx Entries %ld", + s, (info & LAST_CTX_MASK) >> 27); + + ret += sprintf(str + ret, " [Intr %ld] Addr %ld State %s", + GET_INTR_TARGET(int_target), state & DEV_ADDR_MASK, + cdnsp_slot_state_string(GET_SLOT_STATE(state))); + + return str; +} + +static inline const char *cdnsp_portsc_link_state_string(u32 portsc) +{ + switch (portsc & PORT_PLS_MASK) { + case XDEV_U0: + return "U0"; + case XDEV_U1: + return "U1"; + case XDEV_U2: + return "U2"; + case XDEV_U3: + return "U3"; + case XDEV_DISABLED: + return "Disabled"; + case XDEV_RXDETECT: + return "RxDetect"; + case XDEV_INACTIVE: + return "Inactive"; + case XDEV_POLLING: + return "Polling"; + case XDEV_RECOVERY: + return "Recovery"; + case XDEV_HOT_RESET: + return "Hot Reset"; + case XDEV_COMP_MODE: + return "Compliance mode"; + case XDEV_TEST_MODE: + return "Test mode"; + case XDEV_RESUME: + return "Resume"; + default: + break; + } + + return "Unknown"; +} + +static inline const char *cdnsp_decode_portsc(char *str, size_t size, + u32 portsc) +{ + int ret; + + ret = snprintf(str, size, "%s %s %s Link:%s PortSpeed:%d ", + portsc & PORT_POWER ? "Powered" : "Powered-off", + portsc & PORT_CONNECT ? "Connected" : "Not-connected", + portsc & PORT_PED ? "Enabled" : "Disabled", + cdnsp_portsc_link_state_string(portsc), + DEV_PORT_SPEED(portsc)); + + if (portsc & PORT_RESET) + ret += snprintf(str + ret, size - ret, "In-Reset "); + + ret += snprintf(str + ret, size - ret, "Change: "); + if (portsc & PORT_CSC) + ret += snprintf(str + ret, size - ret, "CSC "); + if (portsc & PORT_WRC) + ret += snprintf(str + ret, size - ret, "WRC "); + if (portsc & PORT_RC) + ret += snprintf(str + ret, size - ret, "PRC "); + if (portsc & PORT_PLC) + ret += snprintf(str + ret, size - ret, "PLC "); + if (portsc & PORT_CEC) + ret += snprintf(str + ret, size - ret, "CEC "); + ret += snprintf(str + ret, size - ret, "Wake: "); + if (portsc & PORT_WKCONN_E) + ret += snprintf(str + ret, size - ret, "WCE "); + if (portsc & PORT_WKDISC_E) + ret += snprintf(str + ret, size - ret, "WDE "); + + return str; +} + +static inline const char *cdnsp_ep_state_string(u8 state) +{ + switch (state) { + case EP_STATE_DISABLED: + return "disabled"; + case EP_STATE_RUNNING: + return "running"; + case EP_STATE_HALTED: + return "halted"; + case EP_STATE_STOPPED: + return "stopped"; + case EP_STATE_ERROR: + return "error"; + default: + return "INVALID"; + } +} + +static inline const char *cdnsp_ep_type_string(u8 type) +{ + switch (type) { + case ISOC_OUT_EP: + return "Isoc OUT"; + case BULK_OUT_EP: + return "Bulk OUT"; + case INT_OUT_EP: + return "Int OUT"; + case CTRL_EP: + return "Ctrl"; + case ISOC_IN_EP: + return "Isoc IN"; + case BULK_IN_EP: + return "Bulk IN"; + case INT_IN_EP: + return "Int IN"; + default: + return "INVALID"; + } +} + +static inline const char *cdnsp_decode_ep_context(char *str, size_t size, + u32 info, u32 info2, + u64 deq, u32 tx_info) +{ + u8 max_pstr, ep_state, interval, ep_type, burst, cerr, mult; + bool lsa, hid; + u16 maxp, avg; + u32 esit; + int ret; + + esit = CTX_TO_MAX_ESIT_PAYLOAD_HI(info) << 16 | + CTX_TO_MAX_ESIT_PAYLOAD_LO(tx_info); + + ep_state = info & EP_STATE_MASK; + max_pstr = CTX_TO_EP_MAXPSTREAMS(info); + interval = CTX_TO_EP_INTERVAL(info); + mult = CTX_TO_EP_MULT(info) + 1; + lsa = !!(info & EP_HAS_LSA); + + cerr = (info2 & (3 << 1)) >> 1; + ep_type = CTX_TO_EP_TYPE(info2); + hid = !!(info2 & (1 << 7)); + burst = CTX_TO_MAX_BURST(info2); + maxp = MAX_PACKET_DECODED(info2); + + avg = EP_AVG_TRB_LENGTH(tx_info); + + ret = snprintf(str, size, "State %s mult %d max P. Streams %d %s", + cdnsp_ep_state_string(ep_state), mult, + max_pstr, lsa ? "LSA " : ""); + + ret += snprintf(str + ret, size - ret, + "interval %d us max ESIT payload %d CErr %d ", + (1 << interval) * 125, esit, cerr); + + ret += snprintf(str + ret, size - ret, + "Type %s %sburst %d maxp %d deq %016llx ", + cdnsp_ep_type_string(ep_type), hid ? "HID" : "", + burst, maxp, deq); + + ret += snprintf(str + ret, size - ret, "avg trb len %d", avg); + + return str; +} + +#endif /*__LINUX_CDNSP_DEBUG*/ diff --git a/drivers/usb/cdnsp/ep0.c b/drivers/usb/cdnsp/ep0.c index 7f6e1d28d3b8..07a1ccd3294a 100644 --- a/drivers/usb/cdnsp/ep0.c +++ b/drivers/usb/cdnsp/ep0.c @@ -13,6 +13,7 @@ #include #include "gadget.h" +#include "trace.h" static void cdnsp_ep0_stall(struct cdnsp_device *pdev) { @@ -23,11 +24,13 @@ static void cdnsp_ep0_stall(struct cdnsp_device *pdev) preq = next_request(&pep->pending_list); if (pdev->three_stage_setup) { + trace_cdnsp_ep0_data_stage("send stall"); cdnsp_halt_endpoint(pdev, pep, true); if (preq) cdnsp_gadget_giveback(pep, preq, -ECONNRESET); } else { + trace_cdnsp_ep0_status_stage("send stall"); pep->ep_state |= EP0_HALTED_STATUS; if (preq) @@ -42,6 +45,8 @@ static int cdnsp_ep0_delegate_req(struct cdnsp_device *pdev, { int ret; + trace_cdnsp_ep0_request("delagete"); + spin_unlock(&pdev->lock); ret = pdev->gadget_driver->setup(&pdev->gadget, ctrl); spin_lock(&pdev->lock); @@ -60,11 +65,15 @@ static int cdnsp_ep0_set_config(struct cdnsp_device *pdev, switch (state) { case USB_STATE_ADDRESS: + trace_cdnsp_ep0_set_config("from Address state"); + ret = cdnsp_ep0_delegate_req(pdev, ctrl); if (ret) return ret; break; case USB_STATE_CONFIGURED: + trace_cdnsp_ep0_set_config("from Configured state"); + ret = cdnsp_ep0_delegate_req(pdev, ctrl); if (ret) return ret; @@ -125,6 +134,7 @@ static int cdnsp_ep0_set_address(struct cdnsp_device *pdev, int cdnsp_status_stage(struct cdnsp_device *pdev) { + trace_cdnsp_ep0_status_stage("preparing"); pdev->ep0_stage = CDNSP_STATUS_STAGE; pdev->ep0_preq.request.length = 0; @@ -214,18 +224,21 @@ static int cdnsp_ep0_handle_feature_device(struct cdnsp_device *pdev, switch (le16_to_cpu(ctrl->wValue)) { case USB_DEVICE_REMOTE_WAKEUP: pdev->may_wakeup = !!set; + trace_cdnsp_may_wakeup(set); break; case USB_DEVICE_U1_ENABLE: if (state != USB_STATE_CONFIGURED || speed < USB_SPEED_SUPER) return -EINVAL; pdev->u1_allowed = !!set; + trace_cdnsp_u1(set); break; case USB_DEVICE_U2_ENABLE: if (state != USB_STATE_CONFIGURED || speed < USB_SPEED_SUPER) return -EINVAL; pdev->u2_allowed = !!set; + trace_cdnsp_u2(set); break; case USB_DEVICE_LTM_ENABLE: return -EINVAL; @@ -429,6 +442,8 @@ void cdnsp_setup_analyze(struct cdnsp_device *pdev) int ret = 0; __le16 len; + trace_cdnsp_ctrl_req(ctrl); + if (!pdev->gadget_driver) goto out; @@ -439,8 +454,10 @@ void cdnsp_setup_analyze(struct cdnsp_device *pdev) } /* Restore the ep0 to Stopped/Running state. */ - if (pdev->eps[0].ep_state & EP_HALTED) + if (pdev->eps[0].ep_state & EP_HALTED) { + trace_cdnsp_ep0_halted("Restore to normal state"); cdnsp_halt_endpoint(pdev, &pdev->eps[0], 0); + } /* * Finishing previous SETUP transfer by removing request from @@ -449,6 +466,7 @@ void cdnsp_setup_analyze(struct cdnsp_device *pdev) if (!list_empty(&pdev->eps[0].pending_list)) { struct cdnsp_request *req; + trace_cdnsp_ep0_request("Remove previous"); req = next_request(&pdev->eps[0].pending_list); cdnsp_ep_dequeue(&pdev->eps[0], req); } @@ -470,8 +488,10 @@ void cdnsp_setup_analyze(struct cdnsp_device *pdev) if (!len) pdev->ep0_stage = CDNSP_STATUS_STAGE; - if (ret == USB_GADGET_DELAYED_STATUS) + if (ret == USB_GADGET_DELAYED_STATUS) { + trace_cdnsp_ep0_status_stage("delayed"); return; + } out: if (ret < 0) cdnsp_ep0_stall(pdev); diff --git a/drivers/usb/cdnsp/gadget.c b/drivers/usb/cdnsp/gadget.c index 38ad170b2bdd..4c7f5a1ef838 100644 --- a/drivers/usb/cdnsp/gadget.c +++ b/drivers/usb/cdnsp/gadget.c @@ -23,6 +23,7 @@ #include "../cdns3/gadget-export.h" #include "../cdns3/drd.h" #include "gadget.h" +#include "trace.h" unsigned int cdnsp_port_speed(unsigned int port_status) { @@ -100,6 +101,7 @@ void cdnsp_set_link_state(struct cdnsp_device *pdev, __le32 __iomem *port_regs, u32 link_state) { + int port_num = 0xFF; u32 temp; temp = readl(port_regs); @@ -110,7 +112,12 @@ void cdnsp_set_link_state(struct cdnsp_device *pdev, temp &= ~PORT_PLS_MASK; temp |= PORT_LINK_STROBE | link_state; + if (pdev->active_port) + port_num = pdev->active_port->port_num; + + trace_cdnsp_handle_port_status(port_num, readl(port_regs)); writel(temp, port_regs); + trace_cdnsp_link_state_changed(port_num, readl(port_regs)); } static void cdnsp_disable_port(struct cdnsp_device *pdev, @@ -230,6 +237,8 @@ static int cdnsp_start(struct cdnsp_device *pdev) temp |= (CMD_R_S | CMD_DEVEN); writel(temp, &pdev->op_regs->command); + trace_cdnsp_init("Turn on controller"); + pdev->cdnsp_state = 0; /* @@ -339,8 +348,10 @@ int cdnsp_ep_enqueue(struct cdnsp_ep *pep, struct cdnsp_request *preq) struct usb_request *request; int ret; - if (preq->epnum == 0 && !list_empty(&pep->pending_list)) + if (preq->epnum == 0 && !list_empty(&pep->pending_list)) { + trace_cdnsp_request_enqueue_busy(preq); return -EBUSY; + } request = &preq->request; request->actual = 0; @@ -350,11 +361,15 @@ int cdnsp_ep_enqueue(struct cdnsp_ep *pep, struct cdnsp_request *preq) preq->td.drbl = 0; ret = usb_gadget_map_request_by_dev(pdev->dev, request, pep->direction); - if (ret) + if (ret) { + trace_cdnsp_request_enqueue_error(preq); return ret; + } list_add_tail(&preq->list, &pep->pending_list); + trace_cdnsp_request_enqueue(preq); + switch (usb_endpoint_type(pep->endpoint.desc)) { case USB_ENDPOINT_XFER_CONTROL: ret = cdnsp_queue_ctrl_tx(pdev, preq); @@ -376,6 +391,7 @@ int cdnsp_ep_enqueue(struct cdnsp_ep *pep, struct cdnsp_request *preq) usb_gadget_unmap_request_by_dev(pdev->dev, &preq->request, pep->direction); list_del(&preq->list); + trace_cdnsp_request_enqueue_error(preq); return ret; } @@ -410,6 +426,8 @@ int cdnsp_ep_dequeue(struct cdnsp_ep *pep, struct cdnsp_request *preq) struct cdnsp_device *pdev = pep->pdev; int ret; + trace_cdnsp_request_dequeue(preq); + if (GET_EP_CTX_STATE(pep->out_ctx) == EP_STATE_RUNNING) { ret = cdnsp_cmd_stop_ep(pdev, pep); if (ret) @@ -516,11 +534,14 @@ int cdnsp_wait_for_cmd_compl(struct cdnsp_device *pdev) cmd_trb = pdev->cmd.command_trb; pdev->cmd.status = 0; + trace_cdnsp_cmd_wait_for_compl(pdev->cmd_ring, &cmd_trb->generic); + ret = readl_poll_timeout_atomic(&pdev->op_regs->cmd_ring, val, !CMD_RING_BUSY(val), 1, CDNSP_CMD_TIMEOUT); if (ret) { dev_err(pdev->dev, "ERR: Timeout while waiting for command\n"); + trace_cdnsp_cmd_timeout(pdev->cmd_ring, &cmd_trb->generic); pdev->cdnsp_state = CDNSP_STATE_DYING; return -ETIMEDOUT; } @@ -562,6 +583,8 @@ int cdnsp_wait_for_cmd_compl(struct cdnsp_device *pdev) continue; } + trace_cdnsp_handle_command(pdev->cmd_ring, &cmd_trb->generic); + pdev->cmd.status = GET_COMP_CODE(le32_to_cpu(event->event_cmd.status)); if (pdev->cmd.status == COMP_SUCCESS) return 0; @@ -578,6 +601,8 @@ int cdnsp_halt_endpoint(struct cdnsp_device *pdev, { int ret; + trace_cdnsp_ep_halt(value ? "Set" : "Clear"); + if (value) { ret = cdnsp_cmd_stop_ep(pdev, pep); if (ret) @@ -598,6 +623,8 @@ int cdnsp_halt_endpoint(struct cdnsp_device *pdev, cdnsp_queue_reset_ep(pdev, pep->idx); cdnsp_ring_cmd_db(pdev); ret = cdnsp_wait_for_cmd_compl(pdev); + trace_cdnsp_handle_cmd_reset_ep(pep->out_ctx); + if (ret) return ret; @@ -651,6 +678,9 @@ static int cdnsp_update_eps_configuration(struct cdnsp_device *pdev, (ep_sts != EP_STATE_DISABLED && ctrl_ctx->drop_flags)) ret = cdnsp_configure_endpoint(pdev); + trace_cdnsp_configure_endpoint(cdnsp_get_slot_ctx(&pdev->out_ctx)); + trace_cdnsp_handle_cmd_config_ep(pep->out_ctx); + cdnsp_zero_in_ctx(pdev); return ret; @@ -675,6 +705,7 @@ int cdnsp_reset_device(struct cdnsp_device *pdev) /* If device is not setup, there is no point in resetting it. */ slot_ctx = cdnsp_get_slot_ctx(&pdev->out_ctx); slot_state = GET_SLOT_STATE(le32_to_cpu(slot_ctx->dev_state)); + trace_cdnsp_reset_device(slot_ctx); if (slot_state <= SLOT_STATE_DEFAULT && pdev->eps[0].ep_state & EP_HALTED) { @@ -702,6 +733,8 @@ int cdnsp_reset_device(struct cdnsp_device *pdev) for (i = 1; i < 31; ++i) pdev->eps[i].ep_state |= EP_STOPPED; + trace_cdnsp_handle_cmd_reset_dev(slot_ctx); + if (ret) dev_err(pdev->dev, "Reset device failed with error code %d", ret); @@ -758,6 +791,8 @@ int cdnsp_alloc_streams(struct cdnsp_device *pdev, struct cdnsp_ep *pep) /* The stream context array size must be a power of two */ num_stream_ctxs = roundup_pow_of_two(num_streams); + trace_cdnsp_stream_number(pep, num_stream_ctxs, num_streams); + ret = cdnsp_alloc_stream_info(pdev, pep, num_stream_ctxs, num_streams); if (ret) return ret; @@ -783,6 +818,8 @@ int cdnsp_disable_slot(struct cdnsp_device *pdev) pdev->slot_id = 0; pdev->active_port = NULL; + trace_cdnsp_handle_cmd_disable_slot(cdnsp_get_slot_ctx(&pdev->out_ctx)); + memset(pdev->in_ctx.bytes, 0, CDNSP_CTX_SIZE); memset(pdev->out_ctx.bytes, 0, CDNSP_CTX_SIZE); @@ -806,11 +843,14 @@ int cdnsp_enable_slot(struct cdnsp_device *pdev) cdnsp_ring_cmd_db(pdev); ret = cdnsp_wait_for_cmd_compl(pdev); if (ret) - return ret; + goto show_trace; pdev->slot_id = 1; - return 0; +show_trace: + trace_cdnsp_handle_cmd_enable_slot(cdnsp_get_slot_ctx(&pdev->out_ctx)); + + return ret; } /* @@ -824,8 +864,10 @@ int cdnsp_setup_device(struct cdnsp_device *pdev, enum cdnsp_setup_dev setup) int dev_state = 0; int ret; - if (!pdev->slot_id) + if (!pdev->slot_id) { + trace_cdnsp_slot_id("incorrect"); return -EINVAL; + } if (!pdev->active_port->port_num) return -EINVAL; @@ -833,8 +875,10 @@ int cdnsp_setup_device(struct cdnsp_device *pdev, enum cdnsp_setup_dev setup) slot_ctx = cdnsp_get_slot_ctx(&pdev->out_ctx); dev_state = GET_SLOT_STATE(le32_to_cpu(slot_ctx->dev_state)); - if (setup == SETUP_CONTEXT_ONLY && dev_state == SLOT_STATE_DEFAULT) + if (setup == SETUP_CONTEXT_ONLY && dev_state == SLOT_STATE_DEFAULT) { + trace_cdnsp_slot_already_in_default(slot_ctx); return 0; + } slot_ctx = cdnsp_get_slot_ctx(&pdev->in_ctx); ctrl_ctx = cdnsp_get_input_control_ctx(&pdev->in_ctx); @@ -850,10 +894,14 @@ int cdnsp_setup_device(struct cdnsp_device *pdev, enum cdnsp_setup_dev setup) ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG); ctrl_ctx->drop_flags = 0; + trace_cdnsp_setup_device_slot(slot_ctx); + cdnsp_queue_address_device(pdev, pdev->in_ctx.dma, setup); cdnsp_ring_cmd_db(pdev); ret = cdnsp_wait_for_cmd_compl(pdev); + trace_cdnsp_handle_cmd_addr_dev(cdnsp_get_slot_ctx(&pdev->out_ctx)); + /* Zero the input context control for later use. */ ctrl_ctx->add_flags = 0; ctrl_ctx->drop_flags = 0; @@ -868,6 +916,8 @@ void cdnsp_set_usb2_hardware_lpm(struct cdnsp_device *pdev, if (pdev->active_port != &pdev->usb2_port || !pdev->gadget.lpm_capable) return; + trace_cdnsp_lpm(enable); + if (enable) writel(PORT_BESL(CDNSP_DEFAULT_BESL) | PORT_L1S_NYET | PORT_HLE, &pdev->active_port->regs->portpmsc); @@ -947,6 +997,7 @@ static int cdnsp_gadget_ep_enable(struct usb_ep *ep, pep->ep_state &= ~EP_STOPPED; unlock: + trace_cdnsp_ep_enable_end(pep, 0); spin_unlock_irqrestore(&pdev->lock, flags); return ret; @@ -1003,6 +1054,7 @@ static int cdnsp_gadget_ep_disable(struct usb_ep *ep) pep->ep_state |= EP_STOPPED; finish: + trace_cdnsp_ep_disable_end(pep, 0); spin_unlock_irqrestore(&pdev->lock, flags); return ret; @@ -1021,6 +1073,8 @@ static struct usb_request *cdnsp_gadget_ep_alloc_request(struct usb_ep *ep, preq->epnum = pep->number; preq->pep = pep; + trace_cdnsp_alloc_request(preq); + return &preq->request; } @@ -1029,6 +1083,7 @@ static void cdnsp_gadget_ep_free_request(struct usb_ep *ep, { struct cdnsp_request *preq = to_cdnsp_request(request); + trace_cdnsp_free_request(preq); kfree(preq); } @@ -1097,6 +1152,7 @@ static int cdnsp_gadget_ep_set_halt(struct usb_ep *ep, int value) preq = next_request(&pep->pending_list); if (value) { if (preq) { + trace_cdnsp_ep_busy_try_halt_again(pep, 0); ret = -EAGAIN; goto done; } @@ -1160,6 +1216,8 @@ void cdnsp_gadget_giveback(struct cdnsp_ep *pep, usb_gadget_unmap_request_by_dev(pdev->dev, &preq->request, preq->direction); + trace_cdnsp_request_giveback(preq); + if (preq != &pdev->ep0_preq) { spin_unlock(&pdev->lock); usb_gadget_giveback_request(&pep->endpoint, &preq->request); @@ -1240,6 +1298,7 @@ static int cdnsp_run(struct cdnsp_device *pdev, temp = readl(&pdev->ir_set->irq_pending); writel(IMAN_IE_SET(temp), &pdev->ir_set->irq_pending); + trace_cdnsp_init("Controller ready to work"); return 0; err: cdnsp_halt(pdev); @@ -1392,6 +1451,8 @@ static void cdnsp_stop(struct cdnsp_device *pdev) cdnsp_consume_all_events(pdev); cdnsp_clear_cmd_ring(pdev); + + trace_cdnsp_exit("Controller stopped."); } /* @@ -1473,6 +1534,8 @@ static int cdnsp_gadget_pullup(struct usb_gadget *gadget, int is_on) struct cdnsp_device *pdev = gadget_to_cdnsp(gadget); struct cdns *cdns = dev_get_drvdata(pdev->dev); + trace_cdnsp_pullup(is_on); + if (!is_on) { cdnsp_reset_device(pdev); cdns_clear_vbus(cdns); diff --git a/drivers/usb/cdnsp/mem.c b/drivers/usb/cdnsp/mem.c index 09662574adeb..585d99162738 100644 --- a/drivers/usb/cdnsp/mem.c +++ b/drivers/usb/cdnsp/mem.c @@ -16,6 +16,7 @@ #include #include "gadget.h" +#include "trace.h" static void cdnsp_free_stream_info(struct cdnsp_device *pdev, struct cdnsp_ep *pep); @@ -281,6 +282,8 @@ static void cdnsp_ring_free(struct cdnsp_device *pdev, struct cdnsp_ring *ring) if (!ring) return; + trace_cdnsp_ring_free(ring); + if (ring->first_seg) { if (ring->type == TYPE_STREAM) cdnsp_remove_stream_mapping(ring); @@ -397,7 +400,7 @@ static struct cdnsp_ring *cdnsp_ring_alloc(struct cdnsp_device *pdev, cpu_to_le32(LINK_TOGGLE); cdnsp_initialize_ring_info(ring); - + trace_cdnsp_ring_alloc(ring); return ring; fail: kfree(ring); @@ -450,6 +453,7 @@ int cdnsp_ring_expansion(struct cdnsp_device *pdev, } cdnsp_link_rings(pdev, ring, first, last, num_segs); + trace_cdnsp_ring_expansion(ring); return 0; } @@ -610,6 +614,8 @@ int cdnsp_alloc_stream_info(struct cdnsp_device *pdev, stream_info->stream_ctx_array[cur_stream].stream_ring = cpu_to_le64(addr); + trace_cdnsp_set_stream_ring(cur_ring); + ret = cdnsp_update_stream_mapping(cur_ring); if (ret) goto cleanup_rings; @@ -695,6 +701,7 @@ static int cdnsp_alloc_priv_device(struct cdnsp_device *pdev, gfp_t flags) pdev->dcbaa->dev_context_ptrs[1] = cpu_to_le64(pdev->out_ctx.dma); pdev->cmd.in_ctx = &pdev->in_ctx; + trace_cdnsp_alloc_priv_device(pdev); return 0; fail: dma_pool_free(pdev->device_pool, pdev->out_ctx.bytes, @@ -761,6 +768,8 @@ int cdnsp_setup_addressable_priv_dev(struct cdnsp_device *pdev) ep0_ctx->deq = cpu_to_le64(pdev->eps[0].ring->first_seg->dma | pdev->eps[0].ring->cycle_state); + trace_cdnsp_setup_addressable_priv_device(pdev); + return 0; } @@ -1112,7 +1121,7 @@ static void cdnsp_add_in_port(struct cdnsp_device *pdev, struct cdnsp_port *port, __le32 __iomem *addr) { - u32 temp, port_offset; + u32 temp, port_offset, port_count; temp = readl(addr); port->maj_rev = CDNSP_EXT_PORT_MAJOR(temp); @@ -1121,6 +1130,9 @@ static void cdnsp_add_in_port(struct cdnsp_device *pdev, /* Port offset and count in the third dword.*/ temp = readl(addr + 2); port_offset = CDNSP_EXT_PORT_OFF(temp); + port_count = CDNSP_EXT_PORT_COUNT(temp); + + trace_cdnsp_port_info(addr, port_offset, port_count, port->maj_rev); port->port_num = port_offset; port->exist = 1; @@ -1172,6 +1184,8 @@ static int cdnsp_setup_port_arrays(struct cdnsp_device *pdev, gfp_t flags) return -ENODEV; } + trace_cdnsp_init("Found USB 2.0 ports and USB 3.0 ports."); + pdev->usb2_port.regs = (struct cdnsp_port_regs *) (&pdev->op_regs->port_reg_base + NUM_PORT_REGS * (pdev->usb2_port.port_num - 1)); diff --git a/drivers/usb/cdnsp/ring.c b/drivers/usb/cdnsp/ring.c index b7fdfbbebcc0..d1c9da9c696a 100644 --- a/drivers/usb/cdnsp/ring.c +++ b/drivers/usb/cdnsp/ring.c @@ -61,6 +61,7 @@ #include #include +#include "trace.h" #include "gadget.h" /* @@ -148,7 +149,7 @@ void cdnsp_inc_deq(struct cdnsp_device *pdev, struct cdnsp_ring *ring) if (ring->type == TYPE_EVENT) { if (!cdnsp_last_trb_on_seg(ring->deq_seg, ring->dequeue)) { ring->dequeue++; - return; + goto out; } if (cdnsp_last_trb_on_ring(ring, ring->deq_seg, ring->dequeue)) @@ -156,7 +157,7 @@ void cdnsp_inc_deq(struct cdnsp_device *pdev, struct cdnsp_ring *ring) ring->deq_seg = ring->deq_seg->next; ring->dequeue = ring->deq_seg->trbs; - return; + goto out; } /* All other rings have link trbs. */ @@ -168,6 +169,8 @@ void cdnsp_inc_deq(struct cdnsp_device *pdev, struct cdnsp_ring *ring) ring->deq_seg = ring->deq_seg->next; ring->dequeue = ring->deq_seg->trbs; } +out: + trace_cdnsp_inc_deq(ring); } /* @@ -222,6 +225,8 @@ static void cdnsp_inc_enq(struct cdnsp_device *pdev, ring->enqueue = ring->enq_seg->trbs; next = ring->enqueue; } + + trace_cdnsp_inc_enq(ring); } /* @@ -250,6 +255,7 @@ static bool cdnsp_room_on_ring(struct cdnsp_device *pdev, /* Ring the doorbell after placing a command on the ring. */ void cdnsp_ring_cmd_db(struct cdnsp_device *pdev) { + trace_cdnsp_cmd_drbl("Ding Dong"); writel(DB_VALUE_CMD, &pdev->dba->cmd_db); } @@ -288,6 +294,8 @@ static bool cdnsp_ring_ep_doorbell(struct cdnsp_device *pdev, else db_value = DB_VALUE(pep->idx, stream_id); + trace_cdnsp_tr_drbl(pep, stream_id); + writel(db_value, reg_addr); /* Doorbell was set. */ @@ -471,6 +479,8 @@ static void cdnsp_find_new_dequeue_state(struct cdnsp_device *pdev, state->new_deq_seg = new_seg; state->new_deq_ptr = new_deq; + + trace_cdnsp_new_deq_state(state); } /* @@ -531,6 +541,10 @@ static struct cdnsp_segment *cdnsp_trb_in_td(struct cdnsp_device *pdev, /* If the end TRB isn't in this segment, this is set to 0 */ end_trb_dma = cdnsp_trb_virt_to_dma(cur_seg, end_trb); + trace_cdnsp_looking_trb_in_td(suspect_dma, start_dma, + end_trb_dma, cur_seg->dma, + end_seg_dma); + if (end_trb_dma > 0) { /* * The end TRB is in this segment, so suspect should @@ -581,6 +595,9 @@ static void cdnsp_unmap_td_bounce_buffer(struct cdnsp_device *pdev, preq = td->preq; + trace_cdnsp_bounce_unmap(td->preq, seg->bounce_len, seg->bounce_offs, + seg->bounce_dma, 0); + if (!preq->direction) { dma_unmap_single(pdev->dev, seg->bounce_dma, ring->bounce_buf_len, DMA_TO_DEVICE); @@ -618,6 +635,9 @@ static int cdnsp_cmd_set_deq(struct cdnsp_device *pdev, cdnsp_ring_cmd_db(pdev); ret = cdnsp_wait_for_cmd_compl(pdev); + trace_cdnsp_handle_cmd_set_deq(cdnsp_get_slot_ctx(&pdev->out_ctx)); + trace_cdnsp_handle_cmd_set_deq_ep(pep->out_ctx); + /* * Update the ring's dequeue segment and dequeue pointer * to reflect the new position. @@ -669,6 +689,9 @@ int cdnsp_remove_request(struct cdnsp_device *pdev, memset(&deq_state, 0, sizeof(deq_state)); + trace_cdnsp_remove_request(pep->out_ctx); + trace_cdnsp_remove_request_td(preq); + cur_td = &preq->td; ep_ring = cdnsp_request_to_transfer_ring(pdev, preq); @@ -776,6 +799,8 @@ static void cdnsp_handle_port_status(struct cdnsp_device *pdev, writel(cdnsp_port_state_to_neutral(portsc) | (portsc & PORT_CHANGE_BITS), &port_regs->portsc); + trace_cdnsp_handle_port_status(pdev->active_port->port_num, portsc); + pdev->gadget.speed = cdnsp_port_speed(portsc); link_state = portsc & PORT_PLS_MASK; @@ -941,8 +966,10 @@ static int cdnsp_giveback_first_trb(struct cdnsp_device *pdev, start_trb->field[3] &= cpu_to_le32(~TRB_CYCLE); if ((pep->ep_state & EP_HAS_STREAMS) && - !pep->stream_info.first_prime_det) + !pep->stream_info.first_prime_det) { + trace_cdnsp_wait_for_prime(pep, stream_id); return 0; + } return cdnsp_ring_ep_doorbell(pdev, pep, stream_id); } @@ -1213,8 +1240,10 @@ static int cdnsp_handle_tx_event(struct cdnsp_device *pdev, if (invalidate || !pdev->gadget.connected) goto cleanup; - if (GET_EP_CTX_STATE(pep->out_ctx) == EP_STATE_DISABLED) + if (GET_EP_CTX_STATE(pep->out_ctx) == EP_STATE_DISABLED) { + trace_cdnsp_ep_disabled(pep->out_ctx); goto err_out; + } /* Some transfer events don't always point to a trb*/ if (!ep_ring) { @@ -1261,8 +1290,23 @@ static int cdnsp_handle_tx_event(struct cdnsp_device *pdev, * list. */ if (list_empty(&ep_ring->td_list)) { - if (pep->skip) + /* + * Don't print warnings if it's due to a stopped + * endpoint generating an extra completion event, or + * a event for the last TRB of a short TD we already + * got a short event for. + * The short TD is already removed from the TD list. + */ + if (!(trb_comp_code == COMP_STOPPED || + trb_comp_code == COMP_STOPPED_LENGTH_INVALID || + ep_ring->last_td_was_short)) + trace_cdnsp_trb_without_td(ep_ring, + (struct cdnsp_generic_trb *)event); + + if (pep->skip) { pep->skip = false; + trace_cdnsp_ep_list_empty_with_skip(pep, 0); + } goto cleanup; } @@ -1319,6 +1363,9 @@ static int cdnsp_handle_tx_event(struct cdnsp_device *pdev, ep_trb = &ep_seg->trbs[(ep_trb_dma - ep_seg->dma) / sizeof(*ep_trb)]; + trace_cdnsp_handle_transfer(ep_ring, + (struct cdnsp_generic_trb *)ep_trb); + if (cdnsp_trb_is_noop(ep_trb)) goto cleanup; @@ -1384,6 +1431,8 @@ static bool cdnsp_handle_event(struct cdnsp_device *pdev) if (cycle_bit != pdev->event_ring->cycle_state) return false; + trace_cdnsp_handle_event(pdev->event_ring, &event->generic); + /* * Barrier between reading the TRB_CYCLE (valid) flag above and any * reads of the event's flags/data below. @@ -1531,6 +1580,7 @@ static void cdnsp_queue_trb(struct cdnsp_device *pdev, struct cdnsp_ring *ring, trb->field[2] = cpu_to_le32(field3); trb->field[3] = cpu_to_le32(field4); + trace_cdnsp_queue_trb(ring, trb); cdnsp_inc_enq(pdev, ring, more_trbs_coming); } @@ -1561,6 +1611,8 @@ static int cdnsp_prepare_ring(struct cdnsp_device *pdev, if (cdnsp_room_on_ring(pdev, ep_ring, num_trbs)) break; + trace_cdnsp_no_room_on_ring("try ring expansion"); + num_trbs_needed = num_trbs - ep_ring->num_trbs_free; if (cdnsp_ring_expansion(pdev, ep_ring, num_trbs_needed, mem_flags)) { @@ -1724,6 +1776,8 @@ static int cdnsp_align_td(struct cdnsp_device *pdev, /* Is the last nornal TRB alignable by splitting it. */ if (*trb_buff_len > unalign) { *trb_buff_len -= unalign; + trace_cdnsp_bounce_align_td_split(preq, *trb_buff_len, + enqd_len, 0, unalign); return 0; } @@ -1760,6 +1814,9 @@ static int cdnsp_align_td(struct cdnsp_device *pdev, seg->bounce_len = new_buff_len; seg->bounce_offs = enqd_len; + trace_cdnsp_bounce_map(preq, new_buff_len, enqd_len, seg->bounce_dma, + unalign); + /* * Bounce buffer successful aligned and seg->bounce_dma will be used * in transfer TRB as new transfer buffer address. @@ -1996,13 +2053,17 @@ int cdnsp_cmd_stop_ep(struct cdnsp_device *pdev, struct cdnsp_ep *pep) u32 ep_state = GET_EP_CTX_STATE(pep->out_ctx); int ret = 0; - if (ep_state == EP_STATE_STOPPED || ep_state == EP_STATE_DISABLED) + if (ep_state == EP_STATE_STOPPED || ep_state == EP_STATE_DISABLED) { + trace_cdnsp_ep_stopped_or_disabled(pep->out_ctx); goto ep_stopped; + } cdnsp_queue_stop_endpoint(pdev, pep->idx); cdnsp_ring_cmd_db(pdev); ret = cdnsp_wait_for_cmd_compl(pdev); + trace_cdnsp_handle_cmd_stop_ep(pep->out_ctx); + ep_stopped: pep->ep_state |= EP_STOPPED; return ret; @@ -2016,6 +2077,8 @@ int cdnsp_cmd_flush_ep(struct cdnsp_device *pdev, struct cdnsp_ep *pep) cdnsp_ring_cmd_db(pdev); ret = cdnsp_wait_for_cmd_compl(pdev); + trace_cdnsp_handle_cmd_flush_ep(pep->out_ctx); + return ret; } diff --git a/drivers/usb/cdnsp/trace.c b/drivers/usb/cdnsp/trace.c new file mode 100644 index 000000000000..1f0b102f11a8 --- /dev/null +++ b/drivers/usb/cdnsp/trace.c @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Cadence CDNSP DRD Driver. + * + * Copyright (C) 2020 Cadence. + * + * Author: Pawel Laszczak + * + */ + +#define CREATE_TRACE_POINTS +#include "trace.h" diff --git a/drivers/usb/cdnsp/trace.h b/drivers/usb/cdnsp/trace.h new file mode 100644 index 000000000000..11891cad070c --- /dev/null +++ b/drivers/usb/cdnsp/trace.h @@ -0,0 +1,840 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Cadence CDNSP DRD Driver. + * Trace support header file + * + * Copyright (C) 2020 Cadence. + * + * Author: Pawel Laszczak + * + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM cdnsp-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 cdnsp_dev + +#if !defined(__CDNSP_DEV_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define __CDNSP_DEV_TRACE_H + +#include +#include "gadget.h" +#include "debug.h" + +/* + * There is limitation for single buffer size in TRACEPOINT subsystem. + * By default TRACE_BUF_SIZE is 1024, so no all data will be logged. + * To show more data this must be increased. In most cases the default + * value is sufficient. + */ +#define CDNSP_MSG_MAX 500 + +DECLARE_EVENT_CLASS(cdnsp_log_ep, + TP_PROTO(struct cdnsp_ep *pep, u32 stream_id), + TP_ARGS(pep, stream_id), + TP_STRUCT__entry( + __string(name, pep->name) + __field(unsigned int, state) + __field(u32, stream_id) + __field(u8, enabled) + __field(unsigned int, num_streams) + __field(int, td_count) + __field(u8, first_prime_det) + __field(u8, drbls_count) + ), + TP_fast_assign( + __assign_str(name, pep->name); + __entry->state = pep->ep_state; + __entry->stream_id = stream_id; + __entry->enabled = pep->ep_state & EP_HAS_STREAMS; + __entry->num_streams = pep->stream_info.num_streams; + __entry->td_count = pep->stream_info.td_count; + __entry->first_prime_det = pep->stream_info.first_prime_det; + __entry->drbls_count = pep->stream_info.drbls_count; + ), + TP_printk("%s: SID: %08x ep state: %x stream: enabled: %d num %d " + "tds %d, first prime: %d drbls %d", + __get_str(name), __entry->state, __entry->stream_id, + __entry->enabled, __entry->num_streams, __entry->td_count, + __entry->first_prime_det, __entry->drbls_count) +); + +DEFINE_EVENT(cdnsp_log_ep, cdnsp_tr_drbl, + TP_PROTO(struct cdnsp_ep *pep, u32 stream_id), + TP_ARGS(pep, stream_id) +); + +DEFINE_EVENT(cdnsp_log_ep, cdnsp_wait_for_prime, + TP_PROTO(struct cdnsp_ep *pep, u32 stream_id), + TP_ARGS(pep, stream_id) +); + +DEFINE_EVENT(cdnsp_log_ep, cdnsp_ep_list_empty_with_skip, + TP_PROTO(struct cdnsp_ep *pep, u32 stream_id), + TP_ARGS(pep, stream_id) +); + +DEFINE_EVENT(cdnsp_log_ep, cdnsp_ep_enable_end, + TP_PROTO(struct cdnsp_ep *pep, u32 stream_id), + TP_ARGS(pep, stream_id) +); + +DEFINE_EVENT(cdnsp_log_ep, cdnsp_ep_disable_end, + TP_PROTO(struct cdnsp_ep *pep, u32 stream_id), + TP_ARGS(pep, stream_id) +); + +DEFINE_EVENT(cdnsp_log_ep, cdnsp_ep_busy_try_halt_again, + TP_PROTO(struct cdnsp_ep *pep, u32 stream_id), + TP_ARGS(pep, stream_id) +); + +DECLARE_EVENT_CLASS(cdnsp_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(cdnsp_log_enable_disable, cdnsp_pullup, + TP_PROTO(int set), + TP_ARGS(set) +); + +DEFINE_EVENT(cdnsp_log_enable_disable, cdnsp_u1, + TP_PROTO(int set), + TP_ARGS(set) +); + +DEFINE_EVENT(cdnsp_log_enable_disable, cdnsp_u2, + TP_PROTO(int set), + TP_ARGS(set) +); + +DEFINE_EVENT(cdnsp_log_enable_disable, cdnsp_lpm, + TP_PROTO(int set), + TP_ARGS(set) +); + +DEFINE_EVENT(cdnsp_log_enable_disable, cdnsp_may_wakeup, + TP_PROTO(int set), + TP_ARGS(set) +); + +DECLARE_EVENT_CLASS(cdnsp_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(cdnsp_log_simple, cdnsp_exit, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdnsp_log_simple, cdnsp_init, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdnsp_log_simple, cdnsp_slot_id, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdnsp_log_simple, cdnsp_cmd_drbl, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdnsp_log_simple, cdnsp_no_room_on_ring, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdnsp_log_simple, cdnsp_ep0_status_stage, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdnsp_log_simple, cdnsp_ep0_data_stage, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdnsp_log_simple, cdnsp_ep0_request, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdnsp_log_simple, cdnsp_ep0_set_config, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdnsp_log_simple, cdnsp_ep0_halted, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +DEFINE_EVENT(cdnsp_log_simple, cdnsp_ep_halt, + TP_PROTO(char *msg), + TP_ARGS(msg) +); + +TRACE_EVENT(cdnsp_looking_trb_in_td, + TP_PROTO(dma_addr_t suspect, dma_addr_t trb_start, dma_addr_t trb_end, + dma_addr_t curr_seg, dma_addr_t end_seg), + TP_ARGS(suspect, trb_start, trb_end, curr_seg, end_seg), + TP_STRUCT__entry( + __field(dma_addr_t, suspect) + __field(dma_addr_t, trb_start) + __field(dma_addr_t, trb_end) + __field(dma_addr_t, curr_seg) + __field(dma_addr_t, end_seg) + ), + TP_fast_assign( + __entry->suspect = suspect; + __entry->trb_start = trb_start; + __entry->trb_end = trb_end; + __entry->curr_seg = curr_seg; + __entry->end_seg = end_seg; + ), + TP_printk("DMA: suspect event: %pad, trb-start: %pad, trb-end %pad, " + "seg-start %pad, seg-end %pad", + &__entry->suspect, &__entry->trb_start, &__entry->trb_end, + &__entry->curr_seg, &__entry->end_seg) +); + +TRACE_EVENT(cdnsp_port_info, + TP_PROTO(__le32 __iomem *addr, u32 offset, u32 count, u32 rev), + TP_ARGS(addr, offset, count, rev), + TP_STRUCT__entry( + __field(__le32 __iomem *, addr) + __field(u32, offset) + __field(u32, count) + __field(u32, rev) + ), + TP_fast_assign( + __entry->addr = addr; + __entry->offset = offset; + __entry->count = count; + __entry->rev = rev; + ), + TP_printk("Ext Cap %p, port offset = %u, count = %u, rev = 0x%x", + __entry->addr, __entry->offset, __entry->count, __entry->rev) +); + +DECLARE_EVENT_CLASS(cdnsp_log_deq_state, + TP_PROTO(struct cdnsp_dequeue_state *state), + TP_ARGS(state), + TP_STRUCT__entry( + __field(int, new_cycle_state) + __field(struct cdnsp_segment *, new_deq_seg) + __field(dma_addr_t, deq_seg_dma) + __field(union cdnsp_trb *, new_deq_ptr) + __field(dma_addr_t, deq_ptr_dma) + ), + TP_fast_assign( + __entry->new_cycle_state = state->new_cycle_state; + __entry->new_deq_seg = state->new_deq_seg; + __entry->deq_seg_dma = state->new_deq_seg->dma; + __entry->new_deq_ptr = state->new_deq_ptr, + __entry->deq_ptr_dma = cdnsp_trb_virt_to_dma(state->new_deq_seg, + state->new_deq_ptr); + ), + TP_printk("New cycle state = 0x%x, New dequeue segment = %p (0x%pad dma), " + "New dequeue pointer = %p (0x%pad dma)", + __entry->new_cycle_state, __entry->new_deq_seg, + &__entry->deq_seg_dma, __entry->new_deq_ptr, + &__entry->deq_ptr_dma + ) +); + +DEFINE_EVENT(cdnsp_log_deq_state, cdnsp_new_deq_state, + TP_PROTO(struct cdnsp_dequeue_state *state), + TP_ARGS(state) +); + +DECLARE_EVENT_CLASS(cdnsp_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) + __dynamic_array(char, str, CDNSP_MSG_MAX) + ), + 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_str(str), CDNSP_MSG_MAX, + __entry->bRequestType, + __entry->bRequest, __entry->wValue, + __entry->wIndex, __entry->wLength) + ) +); + +DEFINE_EVENT(cdnsp_log_ctrl, cdnsp_ctrl_req, + TP_PROTO(struct usb_ctrlrequest *ctrl), + TP_ARGS(ctrl) +); + +DECLARE_EVENT_CLASS(cdnsp_log_bounce, + TP_PROTO(struct cdnsp_request *preq, u32 new_buf_len, u32 offset, + dma_addr_t dma, unsigned int unalign), + TP_ARGS(preq, new_buf_len, offset, dma, unalign), + TP_STRUCT__entry( + __string(name, preq->pep->name) + __field(u32, new_buf_len) + __field(u32, offset) + __field(dma_addr_t, dma) + __field(unsigned int, unalign) + ), + TP_fast_assign( + __assign_str(name, preq->pep->name); + __entry->new_buf_len = new_buf_len; + __entry->offset = offset; + __entry->dma = dma; + __entry->unalign = unalign; + ), + TP_printk("%s buf len %d, offset %d, dma %pad, unalign %d", + __get_str(name), __entry->new_buf_len, + __entry->offset, &__entry->dma, __entry->unalign + ) +); + +DEFINE_EVENT(cdnsp_log_bounce, cdnsp_bounce_align_td_split, + TP_PROTO(struct cdnsp_request *preq, u32 new_buf_len, u32 offset, + dma_addr_t dma, unsigned int unalign), + TP_ARGS(preq, new_buf_len, offset, dma, unalign) +); + +DEFINE_EVENT(cdnsp_log_bounce, cdnsp_bounce_map, + TP_PROTO(struct cdnsp_request *preq, u32 new_buf_len, u32 offset, + dma_addr_t dma, unsigned int unalign), + TP_ARGS(preq, new_buf_len, offset, dma, unalign) +); + +DEFINE_EVENT(cdnsp_log_bounce, cdnsp_bounce_unmap, + TP_PROTO(struct cdnsp_request *preq, u32 new_buf_len, u32 offset, + dma_addr_t dma, unsigned int unalign), + TP_ARGS(preq, new_buf_len, offset, dma, unalign) +); + +DECLARE_EVENT_CLASS(cdnsp_log_trb, + TP_PROTO(struct cdnsp_ring *ring, struct cdnsp_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) + __field(union cdnsp_trb *, trb) + __field(dma_addr_t, trb_dma) + __dynamic_array(char, str, CDNSP_MSG_MAX) + ), + 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]); + __entry->trb = (union cdnsp_trb *)trb; + __entry->trb_dma = cdnsp_trb_virt_to_dma(ring->deq_seg, + (union cdnsp_trb *)trb); + + ), + TP_printk("%s: %s trb: %p(%pad)", cdnsp_ring_type_string(__entry->type), + cdnsp_decode_trb(__get_str(str), CDNSP_MSG_MAX, + __entry->field0, __entry->field1, + __entry->field2, __entry->field3), + __entry->trb, &__entry->trb_dma + ) +); + +DEFINE_EVENT(cdnsp_log_trb, cdnsp_handle_event, + TP_PROTO(struct cdnsp_ring *ring, struct cdnsp_generic_trb *trb), + TP_ARGS(ring, trb) +); + +DEFINE_EVENT(cdnsp_log_trb, cdnsp_trb_without_td, + TP_PROTO(struct cdnsp_ring *ring, struct cdnsp_generic_trb *trb), + TP_ARGS(ring, trb) +); + +DEFINE_EVENT(cdnsp_log_trb, cdnsp_handle_command, + TP_PROTO(struct cdnsp_ring *ring, struct cdnsp_generic_trb *trb), + TP_ARGS(ring, trb) +); + +DEFINE_EVENT(cdnsp_log_trb, cdnsp_handle_transfer, + TP_PROTO(struct cdnsp_ring *ring, struct cdnsp_generic_trb *trb), + TP_ARGS(ring, trb) +); + +DEFINE_EVENT(cdnsp_log_trb, cdnsp_queue_trb, + TP_PROTO(struct cdnsp_ring *ring, struct cdnsp_generic_trb *trb), + TP_ARGS(ring, trb) +); + +DEFINE_EVENT(cdnsp_log_trb, cdnsp_cmd_wait_for_compl, + TP_PROTO(struct cdnsp_ring *ring, struct cdnsp_generic_trb *trb), + TP_ARGS(ring, trb) +); + +DEFINE_EVENT(cdnsp_log_trb, cdnsp_cmd_timeout, + TP_PROTO(struct cdnsp_ring *ring, struct cdnsp_generic_trb *trb), + TP_ARGS(ring, trb) +); + +DEFINE_EVENT(cdnsp_log_trb, cdnsp_defered_event, + TP_PROTO(struct cdnsp_ring *ring, struct cdnsp_generic_trb *trb), + TP_ARGS(ring, trb) +); + +DECLARE_EVENT_CLASS(cdnsp_log_pdev, + TP_PROTO(struct cdnsp_device *pdev), + TP_ARGS(pdev), + TP_STRUCT__entry( + __field(struct cdnsp_device *, pdev) + __field(struct usb_gadget *, gadget) + __field(dma_addr_t, out_ctx) + __field(dma_addr_t, in_ctx) + __field(u8, port_num) + ), + TP_fast_assign( + __entry->pdev = pdev; + __entry->gadget = &pdev->gadget; + __entry->in_ctx = pdev->in_ctx.dma; + __entry->out_ctx = pdev->out_ctx.dma; + __entry->port_num = pdev->active_port ? + pdev->active_port->port_num : 0xFF; + ), + TP_printk("pdev %p gadget %p ctx %pad | %pad, port %d ", + __entry->pdev, __entry->gadget, &__entry->in_ctx, + &__entry->out_ctx, __entry->port_num + ) +); + +DEFINE_EVENT(cdnsp_log_pdev, cdnsp_alloc_priv_device, + TP_PROTO(struct cdnsp_device *vdev), + TP_ARGS(vdev) +); + +DEFINE_EVENT(cdnsp_log_pdev, cdnsp_free_priv_device, + TP_PROTO(struct cdnsp_device *vdev), + TP_ARGS(vdev) +); + +DEFINE_EVENT(cdnsp_log_pdev, cdnsp_setup_device, + TP_PROTO(struct cdnsp_device *vdev), + TP_ARGS(vdev) +); + +DEFINE_EVENT(cdnsp_log_pdev, cdnsp_setup_addressable_priv_device, + TP_PROTO(struct cdnsp_device *vdev), + TP_ARGS(vdev) +); + +DECLARE_EVENT_CLASS(cdnsp_log_request, + TP_PROTO(struct cdnsp_request *req), + TP_ARGS(req), + TP_STRUCT__entry( + __string(name, req->pep->name) + __field(struct usb_request *, request) + __field(struct cdnsp_request *, preq) + __field(void *, buf) + __field(unsigned int, actual) + __field(unsigned int, length) + __field(int, status) + __field(dma_addr_t, dma) + __field(unsigned int, stream_id) + __field(unsigned int, zero) + __field(unsigned int, short_not_ok) + __field(unsigned int, no_interrupt) + __field(struct scatterlist*, sg) + __field(unsigned int, num_sgs) + __field(unsigned int, num_mapped_sgs) + + ), + TP_fast_assign( + __assign_str(name, req->pep->name); + __entry->request = &req->request; + __entry->preq = req; + __entry->buf = req->request.buf; + __entry->actual = req->request.actual; + __entry->length = req->request.length; + __entry->status = req->request.status; + __entry->dma = req->request.dma; + __entry->stream_id = req->request.stream_id; + __entry->zero = req->request.zero; + __entry->short_not_ok = req->request.short_not_ok; + __entry->no_interrupt = req->request.no_interrupt; + __entry->sg = req->request.sg; + __entry->num_sgs = req->request.num_sgs; + __entry->num_mapped_sgs = req->request.num_mapped_sgs; + ), + TP_printk("%s; req U:%p/P:%p, req buf %p, length %u/%u, status %d, " + "buf dma (%pad), SID %u, %s%s%s, sg %p, num_sg %d," + " num_m_sg %d", + __get_str(name), __entry->request, __entry->preq, + __entry->buf, __entry->actual, __entry->length, + __entry->status, &__entry->dma, + __entry->stream_id, __entry->zero ? "Z" : "z", + __entry->short_not_ok ? "S" : "s", + __entry->no_interrupt ? "I" : "i", + __entry->sg, __entry->num_sgs, __entry->num_mapped_sgs + ) +); + +DEFINE_EVENT(cdnsp_log_request, cdnsp_request_enqueue, + TP_PROTO(struct cdnsp_request *req), + TP_ARGS(req) +); + +DEFINE_EVENT(cdnsp_log_request, cdnsp_request_enqueue_busy, + TP_PROTO(struct cdnsp_request *req), + TP_ARGS(req) +); + +DEFINE_EVENT(cdnsp_log_request, cdnsp_request_enqueue_error, + TP_PROTO(struct cdnsp_request *req), + TP_ARGS(req) +); + +DEFINE_EVENT(cdnsp_log_request, cdnsp_request_dequeue, + TP_PROTO(struct cdnsp_request *req), + TP_ARGS(req) +); + +DEFINE_EVENT(cdnsp_log_request, cdnsp_request_giveback, + TP_PROTO(struct cdnsp_request *req), + TP_ARGS(req) +); + +DEFINE_EVENT(cdnsp_log_request, cdnsp_alloc_request, + TP_PROTO(struct cdnsp_request *req), + TP_ARGS(req) +); + +DEFINE_EVENT(cdnsp_log_request, cdnsp_free_request, + TP_PROTO(struct cdnsp_request *req), + TP_ARGS(req) +); + +DECLARE_EVENT_CLASS(cdnsp_log_ep_ctx, + TP_PROTO(struct cdnsp_ep_ctx *ctx), + TP_ARGS(ctx), + TP_STRUCT__entry( + __field(u32, info) + __field(u32, info2) + __field(u64, deq) + __field(u32, tx_info) + __dynamic_array(char, str, CDNSP_MSG_MAX) + ), + 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", cdnsp_decode_ep_context(__get_str(str), CDNSP_MSG_MAX, + __entry->info, __entry->info2, + __entry->deq, __entry->tx_info) + ) +); + +DEFINE_EVENT(cdnsp_log_ep_ctx, cdnsp_ep_disabled, + TP_PROTO(struct cdnsp_ep_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_ep_ctx, cdnsp_ep_stopped_or_disabled, + TP_PROTO(struct cdnsp_ep_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_ep_ctx, cdnsp_remove_request, + TP_PROTO(struct cdnsp_ep_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_ep_ctx, cdnsp_handle_cmd_stop_ep, + TP_PROTO(struct cdnsp_ep_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_ep_ctx, cdnsp_handle_cmd_flush_ep, + TP_PROTO(struct cdnsp_ep_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_ep_ctx, cdnsp_handle_cmd_set_deq_ep, + TP_PROTO(struct cdnsp_ep_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_ep_ctx, cdnsp_handle_cmd_reset_ep, + TP_PROTO(struct cdnsp_ep_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_ep_ctx, cdnsp_handle_cmd_config_ep, + TP_PROTO(struct cdnsp_ep_ctx *ctx), + TP_ARGS(ctx) +); + +DECLARE_EVENT_CLASS(cdnsp_log_slot_ctx, + TP_PROTO(struct cdnsp_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_port); + __entry->int_target = le64_to_cpu(ctx->int_target); + __entry->state = le32_to_cpu(ctx->dev_state); + ), + TP_printk("%s", cdnsp_decode_slot_context(__entry->info, + __entry->info2, + __entry->int_target, + __entry->state) + ) +); + +DEFINE_EVENT(cdnsp_log_slot_ctx, cdnsp_slot_already_in_default, + TP_PROTO(struct cdnsp_slot_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_slot_ctx, cdnsp_handle_cmd_enable_slot, + TP_PROTO(struct cdnsp_slot_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_slot_ctx, cdnsp_handle_cmd_disable_slot, + TP_PROTO(struct cdnsp_slot_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_slot_ctx, cdnsp_reset_device, + TP_PROTO(struct cdnsp_slot_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_slot_ctx, cdnsp_setup_device_slot, + TP_PROTO(struct cdnsp_slot_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_slot_ctx, cdnsp_handle_cmd_addr_dev, + TP_PROTO(struct cdnsp_slot_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_slot_ctx, cdnsp_handle_cmd_reset_dev, + TP_PROTO(struct cdnsp_slot_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_slot_ctx, cdnsp_handle_cmd_set_deq, + TP_PROTO(struct cdnsp_slot_ctx *ctx), + TP_ARGS(ctx) +); + +DEFINE_EVENT(cdnsp_log_slot_ctx, cdnsp_configure_endpoint, + TP_PROTO(struct cdnsp_slot_ctx *ctx), + TP_ARGS(ctx) +); + +DECLARE_EVENT_CLASS(cdnsp_log_td_info, + TP_PROTO(struct cdnsp_request *preq), + TP_ARGS(preq), + TP_STRUCT__entry( + __string(name, preq->pep->name) + __field(struct usb_request *, request) + __field(struct cdnsp_request *, preq) + __field(union cdnsp_trb *, first_trb) + __field(union cdnsp_trb *, last_trb) + __field(dma_addr_t, trb_dma) + ), + TP_fast_assign( + __assign_str(name, preq->pep->name); + __entry->request = &preq->request; + __entry->preq = preq; + __entry->first_trb = preq->td.first_trb; + __entry->last_trb = preq->td.last_trb; + __entry->trb_dma = cdnsp_trb_virt_to_dma(preq->td.start_seg, + preq->td.first_trb) + ), + TP_printk("%s req/preq: %p/%p, first trb %p[vir]/%pad(dma), last trb %p", + __get_str(name), __entry->request, __entry->preq, + __entry->first_trb, &__entry->trb_dma, + __entry->last_trb + ) +); + +DEFINE_EVENT(cdnsp_log_td_info, cdnsp_remove_request_td, + TP_PROTO(struct cdnsp_request *preq), + TP_ARGS(preq) +); + +DECLARE_EVENT_CLASS(cdnsp_log_ring, + TP_PROTO(struct cdnsp_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 = cdnsp_trb_virt_to_dma(ring->enq_seg, + ring->enqueue); + __entry->deq = cdnsp_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", + cdnsp_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(cdnsp_log_ring, cdnsp_ring_alloc, + TP_PROTO(struct cdnsp_ring *ring), + TP_ARGS(ring) +); + +DEFINE_EVENT(cdnsp_log_ring, cdnsp_ring_free, + TP_PROTO(struct cdnsp_ring *ring), + TP_ARGS(ring) +); + +DEFINE_EVENT(cdnsp_log_ring, cdnsp_set_stream_ring, + TP_PROTO(struct cdnsp_ring *ring), + TP_ARGS(ring) +); + +DEFINE_EVENT(cdnsp_log_ring, cdnsp_ring_expansion, + TP_PROTO(struct cdnsp_ring *ring), + TP_ARGS(ring) +); + +DEFINE_EVENT(cdnsp_log_ring, cdnsp_inc_enq, + TP_PROTO(struct cdnsp_ring *ring), + TP_ARGS(ring) +); + +DEFINE_EVENT(cdnsp_log_ring, cdnsp_inc_deq, + TP_PROTO(struct cdnsp_ring *ring), + TP_ARGS(ring) +); + +DECLARE_EVENT_CLASS(cdnsp_log_portsc, + TP_PROTO(u32 portnum, u32 portsc), + TP_ARGS(portnum, portsc), + TP_STRUCT__entry( + __field(u32, portnum) + __field(u32, portsc) + __dynamic_array(char, str, CDNSP_MSG_MAX) + ), + TP_fast_assign( + __entry->portnum = portnum; + __entry->portsc = portsc; + ), + TP_printk("port-%d: %s", + __entry->portnum, + cdnsp_decode_portsc(__get_str(str), CDNSP_MSG_MAX, + __entry->portsc) + ) +); + +DEFINE_EVENT(cdnsp_log_portsc, cdnsp_handle_port_status, + TP_PROTO(u32 portnum, u32 portsc), + TP_ARGS(portnum, portsc) +); + +DEFINE_EVENT(cdnsp_log_portsc, cdnsp_link_state_changed, + TP_PROTO(u32 portnum, u32 portsc), + TP_ARGS(portnum, portsc) +); + +TRACE_EVENT(cdnsp_stream_number, + TP_PROTO(struct cdnsp_ep *pep, int num_stream_ctxs, int num_streams), + TP_ARGS(pep, num_stream_ctxs, num_streams), + TP_STRUCT__entry( + __string(name, pep->name) + __field(int, num_stream_ctxs) + __field(int, num_streams) + ), + TP_fast_assign( + __entry->num_stream_ctxs = num_stream_ctxs; + __entry->num_streams = num_streams; + ), + TP_printk("%s Need %u stream ctx entries for %u stream IDs.", + __get_str(name), __entry->num_stream_ctxs, + __entry->num_streams) +); + +#endif /* __CDNSP_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 trace + +#include