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usb: cdnsp: Add tracepoints for CDNSP driver

Browse Source 
Patch adds the series of tracepoints that can be used for
debugging issues detected in driver.

Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
This commit is contained in:
Pawel Laszczak 2020-12-07 11:32:25 +01:00 committed by Peter Chen
parent 3d82904559
commit 118b2a3237
No known key found for this signature in database
GPG Key ID: 4859298150D671BB
8 changed files with 1614 additions and 16 deletions
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5
drivers/usb/cdns3/Makefile
View File

@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
# define_trace.h needs to know how to find our header
CFLAGS_trace.o := -I$(src)
CFLAGS_cdnsp-trace.o := -I$(src)
cdns-usb-common-y := core.o drd.o
cdns3-y := cdns3-plat.o
@ -23,3 +24,7 @@ cdnsp-udc-pci-y := cdnsp-pci.o
obj-$(CONFIG_USB_CDNSP_PCI) += cdnsp-udc-pci.o
cdnsp-udc-pci-$(CONFIG_USB_CDNSP_GADGET) += cdnsp-ring.o cdnsp-gadget.o \
cdnsp-mem.o cdnsp-ep0.o
ifneq ($(CONFIG_USB_CDNSP_GADGET),)
cdnsp-udc-pci-$(CONFIG_TRACING) += cdnsp-trace.o
endif

583
drivers/usb/cdns3/cdnsp-debug.h Normal file
View File

@ -0,0 +1,583 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Cadence CDNSP DRD Driver.
*
* Copyright (C) 2020 Cadence.
*
* Author: Pawel Laszczak <pawell@cadence.com>
*
*/
#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*/

22
drivers/usb/cdns3/cdnsp-ep0.c
View File

@ -13,6 +13,7 @@
#include <linux/list.h>
#include "cdnsp-gadget.h"
#include "cdnsp-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);
@ -60,8 +65,10 @@ static int cdnsp_ep0_set_config(struct cdnsp_device *pdev,
switch (state) {
case USB_STATE_ADDRESS:
trace_cdnsp_ep0_set_config("from Address state");
break;
case USB_STATE_CONFIGURED:
trace_cdnsp_ep0_set_config("from Configured state");
break;
default:
dev_err(pdev->dev, "Set Configuration - bad device state\n");
@ -123,6 +130,7 @@ 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;
@ -211,18 +219,21 @@ 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;
@ -426,6 +437,8 @@ void cdnsp_setup_analyze(struct cdnsp_device *pdev)
int ret = 0;
__le16 len;
trace_cdnsp_ctrl_req(ctrl);
if (!pdev->gadget_driver)
goto out;
@ -436,8 +449,10 @@ 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
@ -446,6 +461,7 @@ 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);
}
@ -467,8 +483,10 @@ 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);

75
drivers/usb/cdns3/cdnsp-gadget.c
View File

@ -23,6 +23,7 @@
#include "gadget-export.h"
#include "drd.h"
#include "cdnsp-gadget.h"
#include "cdnsp-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 @@ unmap:
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;
@ -576,6 +599,8 @@ 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)
@ -596,6 +621,8 @@ 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;
@ -649,6 +676,9 @@ 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;
@ -673,6 +703,7 @@ 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) {
@ -700,6 +731,8 @@ int cdnsp_reset_device(struct cdnsp_device *pdev)
for (i = 1; i < CDNSP_ENDPOINTS_NUM; ++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);
@ -756,6 +789,8 @@ 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;
@ -781,6 +816,8 @@ 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);
@ -804,11 +841,14 @@ 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;
}
/*
@ -822,8 +862,10 @@ 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;
@ -831,8 +873,10 @@ 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);
@ -848,10 +892,14 @@ 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;
@ -866,6 +914,8 @@ 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);
@ -945,6 +995,7 @@ 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;
@ -1001,6 +1052,7 @@ 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;
@ -1019,6 +1071,8 @@ 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;
}
@ -1027,6 +1081,7 @@ 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);
}
@ -1095,6 +1150,7 @@ 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;
}
@ -1158,6 +1214,8 @@ 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);
@ -1238,6 +1296,7 @@ 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);
@ -1390,6 +1449,8 @@ static void cdnsp_stop(struct cdnsp_device *pdev)
cdnsp_consume_all_events(pdev);
cdnsp_clear_cmd_ring(pdev);
trace_cdnsp_exit("Controller stopped.");
}
/*
@ -1471,6 +1532,8 @@ 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);

18
drivers/usb/cdns3/cdnsp-mem.c
View File

@ -16,6 +16,7 @@
#include <linux/usb.h>
#include "cdnsp-gadget.h"
#include "cdnsp-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;
@ -1171,6 +1183,8 @@ 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));

75
drivers/usb/cdns3/cdnsp-ring.c
View File

@ -61,6 +61,7 @@
#include <linux/slab.h>
#include <linux/irq.h>
#include "cdnsp-trace.h"
#include "cdnsp-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);
}
/*
@ -261,6 +266,7 @@ static void cdnsp_force_l0_go(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);
}
@ -299,6 +305,8 @@ 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);
cdnsp_force_l0_go(pdev);
@ -484,6 +492,8 @@ 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);
}
/*
@ -544,6 +554,10 @@ 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
@ -594,6 +608,9 @@ 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);
@ -631,6 +648,9 @@ 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.
@ -682,6 +702,9 @@ 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);
@ -789,6 +812,8 @@ new_event:
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;
@ -954,8 +979,10 @@ 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);
}
@ -1226,8 +1253,10 @@ 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) {
@ -1274,8 +1303,23 @@ 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;
}
@ -1332,6 +1376,9 @@ 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;
@ -1397,6 +1444,8 @@ 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.
@ -1544,6 +1593,7 @@ 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);
}
@ -1574,6 +1624,8 @@ 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)) {
@ -1737,6 +1789,8 @@ 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;
}
@ -1773,6 +1827,9 @@ 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.
@ -2009,13 +2066,17 @@ 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;
@ -2029,6 +2090,8 @@ 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;
}

12
drivers/usb/cdns3/cdnsp-trace.c Normal file
View File

@ -0,0 +1,12 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Cadence CDNSP DRD Driver.
*
* Copyright (C) 2020 Cadence.
*
* Author: Pawel Laszczak <pawell@cadence.com>
*
*/
#define CREATE_TRACE_POINTS
#include "cdnsp-trace.h"

840
drivers/usb/cdns3/cdnsp-trace.h Normal file
View File

@ -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 <pawell@cadence.com>
*
*/
#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 <linux/tracepoint.h>
#include "cdnsp-gadget.h"
#include "cdnsp-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 cdnsp-trace
#include <trace/define_trace.h>