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path: root/drivers/usb/host/xhci.h
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Diffstat (limited to 'drivers/usb/host/xhci.h')
-rw-r--r--drivers/usb/host/xhci.h528
1 files changed, 452 insertions, 76 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 2d7b6374b58d..da3eb695fe54 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -912,7 +912,7 @@ struct xhci_virt_ep {
unsigned int ep_state;
#define SET_DEQ_PENDING (1 << 0)
#define EP_HALTED (1 << 1) /* For stall handling */
-#define EP_HALT_PENDING (1 << 2) /* For URB cancellation */
+#define EP_STOP_CMD_PENDING (1 << 2) /* For URB cancellation */
/* Transitioning the endpoint to using streams, don't enqueue URBs */
#define EP_GETTING_STREAMS (1 << 3)
#define EP_HAS_STREAMS (1 << 4)
@@ -924,7 +924,6 @@ struct xhci_virt_ep {
unsigned int stopped_stream;
/* Watchdog timer for stop endpoint command to cancel URBs */
struct timer_list stop_cmd_timer;
- int stop_cmds_pending;
struct xhci_hcd *xhci;
/* Dequeue pointer and dequeue segment for a submitted Set TR Dequeue
* command. We'll need to update the ring's dequeue segment and dequeue
@@ -1061,76 +1060,122 @@ struct xhci_transfer_event {
/* Completion Code - only applicable for some types of TRBs */
#define COMP_CODE_MASK (0xff << 24)
#define GET_COMP_CODE(p) (((p) & COMP_CODE_MASK) >> 24)
-#define COMP_SUCCESS 1
-/* Data Buffer Error */
-#define COMP_DB_ERR 2
-/* Babble Detected Error */
-#define COMP_BABBLE 3
-/* USB Transaction Error */
-#define COMP_TX_ERR 4
-/* TRB Error - some TRB field is invalid */
-#define COMP_TRB_ERR 5
-/* Stall Error - USB device is stalled */
-#define COMP_STALL 6
-/* Resource Error - HC doesn't have memory for that device configuration */
-#define COMP_ENOMEM 7
-/* Bandwidth Error - not enough room in schedule for this dev config */
-#define COMP_BW_ERR 8
-/* No Slots Available Error - HC ran out of device slots */
-#define COMP_ENOSLOTS 9
-/* Invalid Stream Type Error */
-#define COMP_STREAM_ERR 10
-/* Slot Not Enabled Error - doorbell rung for disabled device slot */
-#define COMP_EBADSLT 11
-/* Endpoint Not Enabled Error */
-#define COMP_EBADEP 12
-/* Short Packet */
-#define COMP_SHORT_TX 13
-/* Ring Underrun - doorbell rung for an empty isoc OUT ep ring */
-#define COMP_UNDERRUN 14
-/* Ring Overrun - isoc IN ep ring is empty when ep is scheduled to RX */
-#define COMP_OVERRUN 15
-/* Virtual Function Event Ring Full Error */
-#define COMP_VF_FULL 16
-/* Parameter Error - Context parameter is invalid */
-#define COMP_EINVAL 17
-/* Bandwidth Overrun Error - isoc ep exceeded its allocated bandwidth */
-#define COMP_BW_OVER 18
-/* Context State Error - illegal context state transition requested */
-#define COMP_CTX_STATE 19
-/* No Ping Response Error - HC didn't get PING_RESPONSE in time to TX */
-#define COMP_PING_ERR 20
-/* Event Ring is full */
-#define COMP_ER_FULL 21
-/* Incompatible Device Error */
-#define COMP_DEV_ERR 22
-/* Missed Service Error - HC couldn't service an isoc ep within interval */
-#define COMP_MISSED_INT 23
-/* Successfully stopped command ring */
-#define COMP_CMD_STOP 24
-/* Successfully aborted current command and stopped command ring */
-#define COMP_CMD_ABORT 25
-/* Stopped - transfer was terminated by a stop endpoint command */
-#define COMP_STOP 26
-/* Same as COMP_EP_STOPPED, but the transferred length in the event is invalid */
-#define COMP_STOP_INVAL 27
-/* Same as COMP_EP_STOPPED, but a short packet detected */
-#define COMP_STOP_SHORT 28
-/* Max Exit Latency Too Large Error */
-#define COMP_MEL_ERR 29
-/* TRB type 30 reserved */
-/* Isoc Buffer Overrun - an isoc IN ep sent more data than could fit in TD */
-#define COMP_BUFF_OVER 31
-/* Event Lost Error - xHC has an "internal event overrun condition" */
-#define COMP_ISSUES 32
-/* Undefined Error - reported when other error codes don't apply */
-#define COMP_UNKNOWN 33
-/* Invalid Stream ID Error */
-#define COMP_STRID_ERR 34
-/* Secondary Bandwidth Error - may be returned by a Configure Endpoint cmd */
-#define COMP_2ND_BW_ERR 35
-/* Split Transaction Error */
-#define COMP_SPLIT_ERR 36
+#define COMP_INVALID 0
+#define COMP_SUCCESS 1
+#define COMP_DATA_BUFFER_ERROR 2
+#define COMP_BABBLE_DETECTED_ERROR 3
+#define COMP_USB_TRANSACTION_ERROR 4
+#define COMP_TRB_ERROR 5
+#define COMP_STALL_ERROR 6
+#define COMP_RESOURCE_ERROR 7
+#define COMP_BANDWIDTH_ERROR 8
+#define COMP_NO_SLOTS_AVAILABLE_ERROR 9
+#define COMP_INVALID_STREAM_TYPE_ERROR 10
+#define COMP_SLOT_NOT_ENABLED_ERROR 11
+#define COMP_ENDPOINT_NOT_ENABLED_ERROR 12
+#define COMP_SHORT_PACKET 13
+#define COMP_RING_UNDERRUN 14
+#define COMP_RING_OVERRUN 15
+#define COMP_VF_EVENT_RING_FULL_ERROR 16
+#define COMP_PARAMETER_ERROR 17
+#define COMP_BANDWIDTH_OVERRUN_ERROR 18
+#define COMP_CONTEXT_STATE_ERROR 19
+#define COMP_NO_PING_RESPONSE_ERROR 20
+#define COMP_EVENT_RING_FULL_ERROR 21
+#define COMP_INCOMPATIBLE_DEVICE_ERROR 22
+#define COMP_MISSED_SERVICE_ERROR 23
+#define COMP_COMMAND_RING_STOPPED 24
+#define COMP_COMMAND_ABORTED 25
+#define COMP_STOPPED 26
+#define COMP_STOPPED_LENGTH_INVALID 27
+#define COMP_STOPPED_SHORT_PACKET 28
+#define COMP_MAX_EXIT_LATENCY_TOO_LARGE_ERROR 29
+#define COMP_ISOCH_BUFFER_OVERRUN 31
+#define COMP_EVENT_LOST_ERROR 32
+#define COMP_UNDEFINED_ERROR 33
+#define COMP_INVALID_STREAM_ID_ERROR 34
+#define COMP_SECONDARY_BANDWIDTH_ERROR 35
+#define COMP_SPLIT_TRANSACTION_ERROR 36
+
+static inline const char *xhci_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_USB_TRANSACTION_ERROR:
+ return "USB Transaction Error";
+ case COMP_TRB_ERROR:
+ return "TRB Error";
+ case COMP_STALL_ERROR:
+ return "Stall Error";
+ case COMP_RESOURCE_ERROR:
+ return "Resource Error";
+ case COMP_BANDWIDTH_ERROR:
+ return "Bandwidth 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_BANDWIDTH_OVERRUN_ERROR:
+ return "Bandwidth Overrun Error";
+ case COMP_CONTEXT_STATE_ERROR:
+ return "Context State Error";
+ case COMP_NO_PING_RESPONSE_ERROR:
+ return "No Ping Response 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";
+ case COMP_SECONDARY_BANDWIDTH_ERROR:
+ return "Secondary Bandwidth Error";
+ case COMP_SPLIT_TRANSACTION_ERROR:
+ return "Split Transaction Error";
+ default:
+ return "Unknown!!";
+ }
+}
struct xhci_link_trb {
/* 64-bit segment pointer*/
@@ -1154,6 +1199,27 @@ struct xhci_event_cmd {
/* Address device - disable SetAddress */
#define TRB_BSR (1<<9)
+
+/* Configure Endpoint - Deconfigure */
+#define TRB_DC (1<<9)
+
+/* Stop Ring - Transfer State Preserve */
+#define TRB_TSP (1<<9)
+
+/* Force Event */
+#define TRB_TO_VF_INTR_TARGET(p) (((p) & (0x3ff << 22)) >> 22)
+#define TRB_TO_VF_ID(p) (((p) & (0xff << 16)) >> 16)
+
+/* Set Latency Tolerance Value */
+#define TRB_TO_BELT(p) (((p) & (0xfff << 16)) >> 16)
+
+/* Get Port Bandwidth */
+#define TRB_TO_DEV_SPEED(p) (((p) & (0xf << 16)) >> 16)
+
+/* Force Header */
+#define TRB_TO_PACKET_TYPE(p) ((p) & 0x1f)
+#define TRB_TO_ROOTHUB_PORT(p) (((p) & (0xff << 24)) >> 24)
+
enum xhci_setup_dev {
SETUP_CONTEXT_ONLY,
SETUP_CONTEXT_ADDRESS,
@@ -1177,16 +1243,21 @@ enum xhci_setup_dev {
#define STREAM_ID_FOR_TRB(p) ((((p)) & 0xffff) << 16)
#define SCT_FOR_TRB(p) (((p) << 1) & 0x7)
+/* Link TRB specific fields */
+#define TRB_TC (1<<1)
/* Port Status Change Event TRB fields */
/* Port ID - bits 31:24 */
#define GET_PORT_ID(p) (((p) & (0xff << 24)) >> 24)
+#define EVENT_DATA (1 << 2)
+
/* Normal TRB fields */
/* transfer_len bitmasks - bits 0:16 */
#define TRB_LEN(p) ((p) & 0x1ffff)
/* TD Size, packets remaining in this TD, bits 21:17 (5 bits, so max 31) */
#define TRB_TD_SIZE(p) (min((p), (u32)31) << 17)
+#define GET_TD_SIZE(p) (((p) & 0x3e0000) >> 17)
/* xhci 1.1 uses the TD_SIZE field for TBC if Extended TBC is enabled (ETE) */
#define TRB_TD_SIZE_TBC(p) (min((p), (u32)31) << 17)
/* Interrupter Target - which MSI-X vector to target the completion event at */
@@ -1314,6 +1385,80 @@ union xhci_trb {
/* Get NEC firmware revision. */
#define TRB_NEC_GET_FW 49
+static inline const char *xhci_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_EVENT:
+ return "Force Event Command";
+ case TRB_NEG_BANDWIDTH:
+ return "Negotiate Bandwidth Command";
+ case TRB_SET_LT:
+ return "Set Latency Tolerance Value Command";
+ case TRB_GET_BW:
+ return "Get Port Bandwidth 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_BANDWIDTH_EVENT:
+ return "Bandwidth Request Event";
+ case TRB_DOORBELL:
+ return "Doorbell Event";
+ case TRB_HC_EVENT:
+ return "Host Controller Event";
+ case TRB_DEV_NOTE:
+ return "Device Notification Event";
+ case TRB_MFINDEX_WRAP:
+ return "MFINDEX Wrap Event";
+ case TRB_NEC_CMD_COMP:
+ return "NEC Command Completion Event";
+ case TRB_NEC_GET_FW:
+ return "NET Get Firmware Revision Command";
+ default:
+ return "UNKNOWN";
+ }
+}
+
#define TRB_TYPE_LINK(x) (((x) & TRB_TYPE_BITMASK) == TRB_TYPE(TRB_LINK))
/* Above, but for __le32 types -- can avoid work by swapping constants: */
#define TRB_TYPE_LINK_LE32(x) (((x) & cpu_to_le32(TRB_TYPE_BITMASK)) == \
@@ -1390,6 +1535,28 @@ enum xhci_ring_type {
TYPE_EVENT,
};
+static inline const char *xhci_ring_type_string(enum xhci_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";
+}
+
struct xhci_ring {
struct xhci_segment *first_seg;
struct xhci_segment *last_seg;
@@ -1441,9 +1608,9 @@ struct xhci_scratchpad {
};
struct urb_priv {
- int length;
- int td_cnt;
- struct xhci_td *td[0];
+ int num_tds;
+ int num_tds_done;
+ struct xhci_td td[0];
};
/*
@@ -1549,7 +1716,6 @@ struct xhci_hcd {
u8 max_ports;
u8 isoc_threshold;
int event_ring_max;
- int addr_64;
/* 4KB min, 128MB max */
int page_size;
/* Valid values are 12 to 20, inclusive */
@@ -1650,6 +1816,9 @@ struct xhci_hcd {
#define XHCI_SSIC_PORT_UNUSED (1 << 22)
#define XHCI_NO_64BIT_SUPPORT (1 << 23)
#define XHCI_MISSING_CAS (1 << 24)
+/* For controller with a broken Port Disable implementation */
+#define XHCI_BROKEN_PORT_PED (1 << 25)
+
unsigned int num_active_eps;
unsigned int limit_active_eps;
/* There are two roothubs to keep track of bus suspend info for */
@@ -1984,4 +2153,211 @@ static inline struct xhci_ring *xhci_urb_to_transfer_ring(struct xhci_hcd *xhci,
urb->stream_id);
}
+static inline const char *xhci_decode_trb(u32 field0, u32 field1, u32 field2,
+ u32 field3)
+{
+ static char str[256];
+ int type = TRB_FIELD_TO_TYPE(field3);
+
+ switch (type) {
+ case TRB_LINK:
+ sprintf(str,
+ "TRB %08x%08x status '%s' len %d slot %d ep %d type '%s' flags %c:%c",
+ field1, field0,
+ xhci_trb_comp_code_string(GET_COMP_CODE(field2)),
+ EVENT_TRB_LEN(field2), TRB_TO_SLOT_ID(field3),
+ /* Macro decrements 1, maybe it shouldn't?!? */
+ TRB_TO_EP_INDEX(field3) + 1,
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field3 & EVENT_DATA ? 'E' : 'e',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_TRANSFER:
+ case TRB_COMPLETION:
+ case TRB_PORT_STATUS:
+ case TRB_BANDWIDTH_EVENT:
+ case TRB_DOORBELL:
+ case TRB_HC_EVENT:
+ case TRB_DEV_NOTE:
+ case TRB_MFINDEX_WRAP:
+ sprintf(str,
+ "TRB %08x%08x status '%s' len %d slot %d ep %d type '%s' flags %c:%c",
+ field1, field0,
+ xhci_trb_comp_code_string(GET_COMP_CODE(field2)),
+ EVENT_TRB_LEN(field2), TRB_TO_SLOT_ID(field3),
+ /* Macro decrements 1, maybe it shouldn't?!? */
+ TRB_TO_EP_INDEX(field3) + 1,
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field3 & EVENT_DATA ? 'E' : 'e',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+
+ break;
+ case TRB_SETUP:
+ sprintf(str,
+ "bRequestType %02x bRequest %02x wValue %02x%02x wIndex %02x%02x wLength %d length %d TD size %d intr %d type '%s' flags %c:%c:%c:%c:%c:%c:%c:%c",
+ 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),
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field3 & TRB_BEI ? 'B' : 'b',
+ field3 & TRB_IDT ? 'I' : '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_NORMAL:
+ case TRB_DATA:
+ case TRB_STATUS:
+ case TRB_ISOC:
+ case TRB_EVENT_DATA:
+ case TRB_TR_NOOP:
+ sprintf(str,
+ "Buffer %08x%08x length %d TD size %d intr %d type '%s' flags %c:%c:%c:%c:%c:%c:%c:%c",
+ field1, field0, TRB_LEN(field2), GET_TD_SIZE(field2),
+ GET_INTR_TARGET(field2),
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field3 & TRB_BEI ? 'B' : 'b',
+ field3 & TRB_IDT ? 'I' : '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_CMD_NOOP:
+ case TRB_ENABLE_SLOT:
+ sprintf(str,
+ "%s: flags %c",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_DISABLE_SLOT:
+ case TRB_NEG_BANDWIDTH:
+ sprintf(str,
+ "%s: slot %d flags %c",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ TRB_TO_SLOT_ID(field3),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_ADDR_DEV:
+ sprintf(str,
+ "%s: ctx %08x%08x slot %d flags %c:%c",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field1, field0,
+ TRB_TO_SLOT_ID(field3),
+ field3 & TRB_BSR ? 'B' : 'b',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_CONFIG_EP:
+ sprintf(str,
+ "%s: ctx %08x%08x slot %d flags %c:%c",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field1, field0,
+ TRB_TO_SLOT_ID(field3),
+ field3 & TRB_DC ? 'D' : 'd',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_EVAL_CONTEXT:
+ sprintf(str,
+ "%s: ctx %08x%08x slot %d flags %c",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field1, field0,
+ TRB_TO_SLOT_ID(field3),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_RESET_EP:
+ sprintf(str,
+ "%s: ctx %08x%08x slot %d ep %d flags %c",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field1, field0,
+ TRB_TO_SLOT_ID(field3),
+ /* Macro decrements 1, maybe it shouldn't?!? */
+ TRB_TO_EP_INDEX(field3) + 1,
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_STOP_RING:
+ sprintf(str,
+ "%s: slot %d sp %d ep %d flags %c",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ TRB_TO_SLOT_ID(field3),
+ TRB_TO_SUSPEND_PORT(field3),
+ /* Macro decrements 1, maybe it shouldn't?!? */
+ TRB_TO_EP_INDEX(field3) + 1,
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_SET_DEQ:
+ sprintf(str,
+ "%s: deq %08x%08x stream %d slot %d ep %d flags %c",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field1, field0,
+ TRB_TO_STREAM_ID(field2),
+ TRB_TO_SLOT_ID(field3),
+ /* Macro decrements 1, maybe it shouldn't?!? */
+ TRB_TO_EP_INDEX(field3) + 1,
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_RESET_DEV:
+ sprintf(str,
+ "%s: slot %d flags %c",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ TRB_TO_SLOT_ID(field3),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_FORCE_EVENT:
+ sprintf(str,
+ "%s: event %08x%08x vf intr %d vf id %d flags %c",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field1, field0,
+ TRB_TO_VF_INTR_TARGET(field2),
+ TRB_TO_VF_ID(field3),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_SET_LT:
+ sprintf(str,
+ "%s: belt %d flags %c",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ TRB_TO_BELT(field3),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_GET_BW:
+ sprintf(str,
+ "%s: ctx %08x%08x slot %d speed %d flags %c",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field1, field0,
+ TRB_TO_SLOT_ID(field3),
+ TRB_TO_DEV_SPEED(field3),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_FORCE_HEADER:
+ sprintf(str,
+ "%s: info %08x%08x%08x pkt type %d roothub port %d flags %c",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field2, field1, field0 & 0xffffffe0,
+ TRB_TO_PACKET_TYPE(field0),
+ TRB_TO_ROOTHUB_PORT(field3),
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ default:
+ sprintf(str,
+ "type '%s' -> raw %08x %08x %08x %08x",
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field0, field1, field2, field3);
+ }
+
+ return str;
+}
+
+
#endif /* __LINUX_XHCI_HCD_H */
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