diff options
| author | Mathias Nyman <[email protected]> | 2024-11-06 12:14:27 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2024-11-06 13:26:14 +0100 |
| commit | 7ca8c96056f57cbd923f9b36f2db75796e5dd738 (patch) | |
| tree | 60a152c87fdd247f0a1cb40d4441002e5c1b5b73 | |
| parent | 6ff78df5b3d0bbc640c5c0ee12800c26dc251c5c (diff) | |
xhci: Add Isochronous TRB fields to TRB tracer
In addition to Normal TRB fields the Isoch TRBs have a SIA flag,
Frame ID, TLBPC and TBC fields.
Add these fields to tracing output
Signed-off-by: Mathias Nyman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
| -rw-r--r-- | drivers/usb/host/xhci.h | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 55a81073cf1e..7d81645c2c5d 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1023,9 +1023,6 @@ enum xhci_setup_dev { /* Interrupter Target - which MSI-X vector to target the completion event at */ #define TRB_INTR_TARGET(p) (((p) & 0x3ff) << 22) #define GET_INTR_TARGET(p) (((p) >> 22) & 0x3ff) -/* Total burst count field, Rsvdz on xhci 1.1 with Extended TBC enabled (ETE) */ -#define TRB_TBC(p) (((p) & 0x3) << 7) -#define TRB_TLBPC(p) (((p) & 0xf) << 16) /* Cycle bit - indicates TRB ownership by HC or HCD */ #define TRB_CYCLE (1<<0) @@ -1059,6 +1056,12 @@ enum xhci_setup_dev { /* Isochronous TRB specific fields */ #define TRB_SIA (1<<31) #define TRB_FRAME_ID(p) (((p) & 0x7ff) << 20) +#define GET_FRAME_ID(p) (((p) >> 20) & 0x7ff) +/* Total burst count field, Rsvdz on xhci 1.1 with Extended TBC enabled (ETE) */ +#define TRB_TBC(p) (((p) & 0x3) << 7) +#define GET_TBC(p) (((p) >> 7) & 0x3) +#define TRB_TLBPC(p) (((p) & 0xf) << 16) +#define GET_TLBPC(p) (((p) >> 16) & 0xf) /* TRB cache size for xHC with TRB cache */ #define TRB_CACHE_SIZE_HS 8 @@ -2072,7 +2075,6 @@ static inline const char *xhci_decode_trb(char *str, size_t size, field3 & TRB_CYCLE ? 'C' : 'c'); break; case TRB_NORMAL: - case TRB_ISOC: case TRB_EVENT_DATA: case TRB_TR_NOOP: snprintf(str, size, @@ -2089,7 +2091,25 @@ static inline const char *xhci_decode_trb(char *str, size_t size, field3 & TRB_ENT ? 'E' : 'e', field3 & TRB_CYCLE ? 'C' : 'c'); break; - + case TRB_ISOC: + snprintf(str, size, + "Buffer %08x%08x length %d TD size/TBC %d intr %d type '%s' TBC %u TLBPC %u frame_id %u flags %c:%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(type), + GET_TBC(field3), + GET_TLBPC(field3), + GET_FRAME_ID(field3), + field3 & TRB_SIA ? 'S' : 's', + 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: snprintf(str, size, |