diff options
| author | Ian Moffett <ian@osmora.org> | 2025-01-08 22:02:03 -0500 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-01-08 22:02:03 -0500 |
| commit | c7d979e85dca9e6a480b44c0ccb0ef8cc60f7e6b (patch) | |
| tree | 4e79fe1f9662165f84a3516b874b22bf4b0ad5fc /sys/include/dev | |
| parent | b5c65e3022f285d389759bb699a9cefee79c5fd0 (diff) | |
kernel: xhci: Add TRB definitionsexpt
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/include/dev')
| -rw-r--r-- | sys/include/dev/usb/xhcivar.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sys/include/dev/usb/xhcivar.h b/sys/include/dev/usb/xhcivar.h index 4b0f1bf..6d0e185 100644 --- a/sys/include/dev/usb/xhcivar.h +++ b/sys/include/dev/usb/xhcivar.h @@ -50,6 +50,43 @@ struct xhci_proto { uint8_t port_count; /* Number of ports */ }; +struct xhci_nop_trb { + uint32_t reserved; + uint32_t reserved1; + uint32_t reserved2; + uint8_t cycle : 1; + uint16_t reserved3 : 9; + uint8_t type : 6; + uint16_t reserved4; +}; + +struct xhci_enableslot_trb { + uint32_t reserved; + uint32_t reserved1; + uint32_t reserved2; + uint8_t cycle : 1; + uint16_t reserved3 : 9; + uint8_t type : 6; + uint8_t slot_type : 5; + uint16_t reserved4 : 10; +}; + +/* + * xHCI Transfer Request Block + */ +struct xhci_trb { + union { + struct xhci_nop_trb nop; + struct xhci_enableslot_trb enableslot; + struct { + uint32_t dword0; + uint32_t dword1; + uint32_t dword2; + uint32_t dword3; + }; + }; +}; + /* * xHCI event ring segment * @@ -78,4 +115,8 @@ struct xhci_hc { struct xhci_proto protos[XHCI_MAX_PROTOS]; }; +/* TRB types */ +#define XHCI_ENABLE_SLOT 9 +#define XHCI_LINK 6 + #endif /* !_USB_XHCIVAR_H_ */ |