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Bochs/bochs/iodev/usb/usb_xhci.h
Volker Ruppert 68b49ba42d - moved the USB stuff to the new subdirectory iodev/usb 
- TODO #1: do the same with the network and sound code
- TODO #2: update MSVC workspace files
2012-01-14 12:36:32 +00:00

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/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2010 Benjamin D Lunt (fys [at] fysnet [dot] net)
// 2011-2012 The Bochs Project
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
/////////////////////////////////////////////////////////////////////////
#ifndef BX_IODEV_USB_XHCI_H
#define BX_IODEV_USB_XHCI_H
#if BX_USE_USB_XHCI_SMF
# define BX_XHCI_THIS theUSB_XHCI->
# define BX_XHCI_THIS_PTR theUSB_XHCI
#else
# define BX_XHCI_THIS this->
# define BX_XHCI_THIS_PTR this
#endif
// If in 64bit mode, print 64bits, else only print 32 bit addresses
#if BX_PHY_ADDRESS_LONG
#define FORMATADDRESS FMT_ADDRX64
#else
#define FORMATADDRESS "%08x"
#endif
/************************************************************************************************
* Actual configuration of the card
*/
#define IO_SPACE_SIZE 8192
#define OPS_REGS_OFFSET 0x20
// Change this to 0.95, 0.96, or 1.00, according to the desired effects (LINK chain bit, etc)
#define VERSION_MAJOR 0
#define VERSION_MINOR 0x96
// HCSPARAMS1
#define INTERRUPTERS 8
#define MAX_SLOTS 32 // (1 based)
#define USB_XHCI_PORTS 4 // 2 physical sockets, each supporting USB3 or USB2
// HCSPARAMS2
#define ISO_SECH_THRESHOLD 1
#define MAX_SEG_TBL_SZ_EXP 1
#define SCATCH_PAD_RESTORE 0 // 1 = uses system memory and must be maintained. 0 = uses controller's internal memory
#define MAX_SCRATCH_PADS 0 // 0 to 1023
// HCSPARAMS3
#define U1_DEVICE_EXIT_LAT 0
#define U2_DEVICE_EXIT_LAT 0
// HCCPARAMS
#define ADDR_CAP_64 1
#define BW_NEGOTIATION 1
#define CONTEXT_SIZE 32 // Size of the CONTEXT blocks (32 or 64)
#define PORT_POWER_CTRL 1
#define PORT_INDICATORS 0
#define LIGHT_HC_RESET 0 // Do we support the Light HC Reset function
#define FORCED_STOPPED 0 // version 0.96 and below only (MUST BE 1 in v1.00+)
#define SEC_DOMAIN_BAND 1 // version 0.96 and below only (MUST BE 1 in v1.00+)
#define MAX_PSA_SIZE 0x04
#define EXT_CAPS_OFFSET 0x500
#define EXT_CAPS_SIZE 48
#define PAGE_SIZE 1 // Page size operational register value
#define PORT_SET_OFFSET (0x400 + OPS_REGS_OFFSET)
#define RUNTIME_OFFSET 0x600
#define DOORBELL_OFFSET 0x800
/************************************************************************************************/
#if (((VERSION_MAJOR == 0) && ((VERSION_MINOR != 0x95) && (VERSION_MINOR != 0x96))) || ((VERSION_MAJOR == 1) && (VERSION_MINOR != 0x00)))
# error "Unknown Controller Version number specified."
#endif
#if (MAX_SCRATCH_PADS > 1023)
# error "MAX_SCRATCH_PADS must be 0 to 1023."
#endif
#if (SCATCH_PAD_RESTORE && (MAX_SCRATCH_PADS == 0))
# error "Must specify amount of scratch pad buffers to use."
#endif
#if ((MAX_SCRATCH_PADS > 0) && !SCATCH_PAD_RESTORE)
# error "Must set SCATCH_PAD_RESTORE to 1 if MAX_SCRATCH_PADS > 0"
#endif
#if ((FORCED_STOPPED == 0) && (VERSION_MAJOR > 0))
# error "FORCED_STOPPED must be 1 in version 1.0 and above"
#endif
#if ((SEC_DOMAIN_BAND == 0) && (VERSION_MAJOR > 0))
# error "SEC_DOMAIN_BAND must be 1 in version 1.0 and above"
#endif
// Each controller supports its own number of ports. We must adhere to that for now.
// (The Extended Capabilities register set is hardcoded for this as of now.)
// As long as BX_N_USB_XHCI_PORTS was defined as greater than what we have now, then
// we are fine.
// Note: BX_N_USB_XHCI_PORTS should have been defined as twice the amount of ports wanted.
// ie.: Each physical port (socket) has two defined port register sets. One for USB3, one for USB2
// Only one port type may be used at a time. Port0 or Port1, not both. If Port0 is used, then
// Port1 must be vacant.
#ifndef BX_N_USB_XHCI_PORTS
#error "BX_N_USB_XHCI_PORTS was not defined in bochs.h"
#else
#if (BX_N_USB_XHCI_PORTS < USB_XHCI_PORTS)
#error "BX_N_USB_XHCI_PORTS is less than USB_XHCI_PORTS."
#endif
#endif
// xHCI speed values
#define SPEED_FULL 1
#define SPEED_LOW 2
#define SPEED_HI 3
#define SPEED_SUPER 4
#define USB2 0
#define USB3 1
// our saved ring members
struct RING_MEMBERS {
struct {
Bit64u dq_pointer;
bx_bool rcs;
} command_ring;
struct {
bx_bool rcs;
unsigned trb_count;
unsigned count;
Bit64u cur_trb;
struct {
Bit64u addr;
Bit32u size;
Bit32u resv;
} entrys[(1<<MAX_SEG_TBL_SZ_EXP)];
} event_rings[INTERRUPTERS];
};
struct SLOT_CONTEXT {
unsigned entries;
bx_bool hub;
bx_bool mtt;
unsigned speed;
Bit32u route_string;
unsigned num_ports;
unsigned rh_port_num;
unsigned max_exit_latency;
unsigned int_target;
unsigned ttt;
unsigned tt_port_num;
unsigned tt_hub_slot_id;
unsigned slot_state;
unsigned device_address;
};
struct EP_CONTEXT {
unsigned interval;
bx_bool lsa;
unsigned max_pstreams;
unsigned mult;
unsigned ep_state;
unsigned max_packet_size;
unsigned max_burst_size;
bx_bool hid;
unsigned ep_type;
unsigned cerr;
Bit64u tr_dequeue_pointer;
bx_bool dcs;
unsigned max_esit_payload;
unsigned average_trb_len;
};
struct HC_SLOT_CONTEXT {
bx_bool enabled;
bx_bool sent_address; // have we sent a SET_ADDRESS command yet?
struct SLOT_CONTEXT slot_context;
struct {
struct EP_CONTEXT ep_context;
// our internal registers follow
Bit64u enqueue_pointer;
bx_bool rcs;
} ep_context[32]; // first one is ignored by controller.
};
// TRB Types
enum { NORMAL=1, SETUP_STAGE, DATA_STAGE, STATUS_STAGE, ISOCH, LINK, EVENT_DATA, NO_OP,
ENABLE_SLOT=9, DISABLE_SLOT, ADDRESS_DEVICE, CONFIG_EP, EVALUATE_CONTEXT, RESET_EP,
STOP_EP=15, SET_TR_DEQUEUE, RESET_DEVICE, FORCE_EVENT, DEG_BANDWIDTH, SET_LAT_TOLERANCE,
GET_PORT_BAND=21, FORCE_HEADER, NO_OP_CMD, // 24 - 31 = reserved
TRANS_EVENT=32, COMMAND_COMPLETION, PORT_STATUS_CHANGE, BANDWIDTH_REQUEST, DOORBELL_EVENT,
HOST_CONTROLLER_EVENT=37, DEVICE_NOTIFICATION, MFINDEX_WRAP,
// 40 - 47 = reserved
// 48 - 63 = Vendor Defined
};
// event completion codes
enum { TRB_SUCCESS=1, DATA_BUFFER_ERROR, BABBLE_DETECTION, TRANSACTION_ERROR, TRB_ERROR, STALL_ERROR,
RESOURCE_ERROR=7, BANDWIDTH_ERROR, NO_SLOTS_ERROR, INVALID_STREAM_TYPE, SLOT_NOT_ENABLED, EP_NOT_ENABLED,
SHORT_PACKET=13, RING_UNDERRUN, RUNG_OVERRUN, VF_EVENT_RING_FULL, PARAMETER_ERROR, BANDWITDH_OVERRUN,
CONTEXT_STATE_ERROR=19, NO_PING_RESPONSE, EVENT_RING_FULL, INCOMPATIBLE_DEVICE, MISSED_SERVICE,
COMMAND_RING_STOPPED=24, COMMAND_ABORTED, STOPPED, STOPPER_LENGTH_ERROR, RESERVED, ISOCH_BUFFER_OVERRUN,
EVERN_LOST=32, UNDEFINED, INVALID_STREAM_ID, SECONDARY_BANDWIDTH, SPLIT_TRANSACTION
/* 37 - 191 reserved */
/* 192 - 223 vender defined errors */
/* 224 - 225 vendor defined info */
};
// Port Link States
enum { PLS_U0 = 0, PLS_U1, PLS_U2, PLS_U3_SUSPENDED, PLS_DISABLED, PLS_RXDETECT, PLS_INACTIVE, PLS_POLLING,
PLS_RECOVERY = 8, PLS_HOT_RESET, PLS_COMPLIANCE, PLS_TEST_MODE,
/* 12 - 14 reserved */
PLS_RESUME = 15
};
// Direction
#define EP_DIR_OUT 0
#define EP_DIR_IN 1
// Slot State
#define SLOT_STATE_DISABLED_ENABLED 0
#define SLOT_STATE_DEFAULT 1
#define SLOT_STATE_ADRESSED 2
#define SLOT_STATE_CONFIGURED 3
// EP State
#define EP_STATE_DISABLED 0
#define EP_STATE_RUNNING 1
#define EP_STATE_HALTED 2
#define EP_STATE_STOPPED 3
#define EP_STATE_ERROR 4
// NEC Vendor specific TRB types
#define NEC_TRB_TYPE_CMD_COMP 48
#define NEC_TRB_TYPE_GET_FW 49
#define NEC_FW_MAJOR(v) (((v) & 0x0000FF00) >> 8)
#define NEC_FW_MINOR(v) (((v) & 0x000000FF) >> 0)
#define TRB_GET_STYPE(x) (((x) & (0x1F << 16)) >> 16)
#define TRB_SET_STYPE(x) (((x) & 0x1F) << 16)
#define TRB_GET_TYPE(x) (((x) & (0x3F << 10)) >> 10)
#define TRB_SET_TYPE(x) (((x) & 0x3F) << 10)
#define TRB_GET_COMP_CODE(x) (((x) & (0xFF << 24)) >> 24)
#define TRB_SET_COMP_CODE(x) (((x) & 0xFF) << 24)
#define TRB_GET_SLOT(x) (((x) & (0xFF << 24)) >> 24)
#define TRB_SET_SLOT(x) (((x) & 0xFF) << 24)
#define TRB_GET_TDSIZE(x) (((x) & (0x1F << 17)) >> 17)
#define TRB_SET_TDSIZE(x) (((x) & 0x1F) << 17)
#define TRB_GET_EP(x) (((x) & (0x1F << 16)) >> 16)
#define TRB_SET_EP(x) (((x) & 0x1F) << 16)
#define TRB_GET_TARGET(x) (((x) & (0x3FF << 22)) >> 22)
#define TRB_GET_TX_LEN(x) ((x) & 0x1FFFF)
#define TRB_GET_TOGGLE(x) (((x) & (1<<1)) >> 1)
#define TRB_DC(x) (((x) & (1<<9)) >> 9)
#define TRB_IS_IMMED_DATA(x) (((x) & (1<<6)) >> 6)
#define TRB_IOC(x) (((x) & (1<<5)) >> 5)
#define TRB_CHAIN(x) (((x) & (1<<4)) >> 4)
#define TRB_SPD(x) (((x) & (1<<2)) >> 2)
#define TRB_TOGGLE(x) (((x) & (1<<1)) >> 1)
#define TRB_TX_TYPE(x) (((x) == 2) ? USB_TOKEN_OUT : USB_TOKEN_IN)
#define TRB_GET_DIR(x) (((x) & (1<<16)) ? USB_TOKEN_IN : USB_TOKEN_OUT)
struct TRB {
Bit64u parameter;
Bit32u status;
Bit32u command;
};
typedef struct {
struct XHCI_CAP_REGS {
Bit32u HcCapLength;
Bit32u HcSParams1;
Bit32u HcSParams2;
Bit32u HcSParams3;
Bit32u HcCParams;
Bit32u DBOFF;
Bit32u RTSOFF;
} cap_regs;
struct XHCI_OP_REGS {
struct {
Bit32u RsvdP1; // 20 bit reserved and preserved = 0x000000 RW
bx_bool eu3s; // 1 bit Enable U3 MFINDEX Stop = 0b RW
bx_bool ewe; // 1 bit Enable Wrap Event = 0b RW
bx_bool crs; // 1 bit Controller Restore State = 0b RW
bx_bool css; // 1 bit Controller Save State = 0b RW
bx_bool lhcrst; // 1 bit Light HC Reset = 0b RW or RO (HCCPARAMS:LHRC)
Bit8u RsvdP0; // 1 bit reserved and preserved = 000b RW
bx_bool hsee; // 1 bit Host System Error Enable = 0b RW
bx_bool inte; // 1 bit Interrupter Enable = 0b RW
bx_bool hcrst; // 1 bit HC Reset = 0b RW
bx_bool rs; // 1 bit Run Stop = 0b RW
} HcCommand; // = 0x00000000
struct {
Bit32u RsvdZ1; // 19 bit reserved and zero'd = 0x000000 RW
bx_bool hce; // 1 bit Host Controller Error = 0b RO
bx_bool cnr; // 1 bit Controller Not Ready = 0b R0
bx_bool sre; // 1 bit Save/Restore Error = 0b RW1C
bx_bool rss; // 1 bit Restore State Status = 0b RO
bx_bool sss; // 1 bit Save State Status = 0b RO
Bit8u RsvdZ0; // 3 bit reserved and zero'd = 0x0 RW
bx_bool pcd; // 1 bit Port Change Detect = 0b RW1C
bx_bool eint; // 1 bit Event Interrupt = 0b RW1C
bx_bool hse; // 1 bit Host System Error = 0b RW1C
bx_bool RsvdZ2; // 1 bit reserved and zero'd = 0b RW
bx_bool hch; // 1 bit HCHalted = 1b RO
} HcStatus; // = 0x00000001
struct {
Bit16u Rsvd; // 16 bit reserved = 0x0000 RO
Bit16u pagesize; // 16 bit reserved = 0x0001 RO
} HcPageSize; // = 0x00000001
struct {
Bit16u RsvdP; // 16 bit reserved and presserved = 0x0000 RW
bx_bool n15; // 1 bit N15 = 0 RW
bx_bool n14; // 1 bit N14 = 0 RW
bx_bool n13; // 1 bit N13 = 0 RW
bx_bool n12; // 1 bit N12 = 0 RW
bx_bool n11; // 1 bit N11 = 0 RW
bx_bool n10; // 1 bit N10 = 0 RW
bx_bool n9; // 1 bit N9 = 0 RW
bx_bool n8; // 1 bit N8 = 0 RW
bx_bool n7; // 1 bit N7 = 0 RW
bx_bool n6; // 1 bit N6 = 0 RW
bx_bool n5; // 1 bit N5 = 0 RW
bx_bool n4; // 1 bit N4 = 0 RW
bx_bool n3; // 1 bit N3 = 0 RW
bx_bool n2; // 1 bit N2 = 0 RW
bx_bool n1; // 1 bit N1 = 0 RW
bx_bool n0; // 1 bit N0 = 0 RW
} HcNotification; // = 0x00000000
struct {
Bit64u crc; // 64 bit hi order address = 0x00000000 RW
Bit8u RsvdP; // 2 bit reserved and preserved = 00b RW
bx_bool crr; // 1 bit Command Ring Running = 0 RO
bx_bool ca; // 1 bit Command Abort = 0 RW1S
bx_bool cs; // 1 bit Command Stop = 0 RW1S
bx_bool rcs; // 1 bit Ring Cycle State = 0 RW
} HcCrcr;
struct {
Bit64u dcbaap; // 64 bit hi order address = 0x00000000 RW
Bit8u RsvdZ; // 6 bit reserved and zero'd = 000000b RW
} HcDCBAAP;
struct {
Bit32u RsvdP; // 24 bit reserved and preserved = 0x000000 RW
Bit8u MaxSlotsEn; // 8 bit Max Device Slots Enabled = 0x00 RW
} HcConfig;
} op_regs;
struct {
// our data
usb_device_c *device; // device connected to this port
bx_bool is_usb3; // set if usb3 port, cleared if usb2 port.
struct {
bx_bool wpr; // 1 bit Warm Port Reset = 0b RW or RsvdZ
bx_bool dr; // 1 bit Device Removable = 0b RO
Bit8u RsvdZ1; // 2 bit Reserved and Zero'd = 00b RW
bx_bool woe; // 1 bit Wake on Over Current Enable = 0b RW
bx_bool wde; // 1 bit Wake on Disconnect Enable = 0b RW
bx_bool wce; // 1 bit Wake on Connect Enable = 0b RW
bx_bool cas; // 1 bit Cold Attach Status = 0b RO
bx_bool cec; // 1 bit Port Config Error Change = 0b RW1C or RsvdZ
bx_bool plc; // 1 bit Port Link State Change = 0b RW1C
bx_bool prc; // 1 bit Port Reset Change = 0b RW1C
bx_bool occ; // 1 bit Over Current Change = 0b RW1C
bx_bool wrc; // 1 bit Warm Port Reset Change = 0b RW1C or RsvdZ
bx_bool pec; // 1 bit Port Enabled/Disabled Change= 0b RW1C
bx_bool csc; // 1 bit Connect Status Change = 0b RW1C
bx_bool lws; // 1 bit Port Link State Write Strobe= 0b RW
Bit8u pic; // 2 bit Port Indicator Control = 00b RW
bx_bool speed; // 1 bit Port Speed = 0b RO
bx_bool pp; // 1 bit Port Power = 0b RW
Bit8u pls; // 4 bit Port Link State = 0x00 RW
bx_bool pr; // 1 bit Port Reset = 0b RW
bx_bool oca; // 1 bit Over Current Active = 0b RO
bx_bool RsvdZ0; // 1 bit Reserved and Zero'd = 0b RW
bx_bool ped; // 1 bit Port Enabled/Disabled = 0b RW1C
bx_bool ccs; // 1 bit Current Connect Status = 0b RO
} portsc;
union {
// if usb3 port
struct {
struct {
Bit16u RsvdP; // 15 bit Reserved and Preserved = 0x0000 RW
bx_bool fla; // 1 bit Force Link PM Accept = 0x0000 RW
Bit8u u2timeout; // 8 bit U2 Timeout = 0x0000 RW
Bit8u u1timeout; // 8 bit U1 Timeout = 0x0000 RW
} portpmsc;
struct {
Bit16u RsvdP; // 16 bit Reserved and Preserved = 0x0000 RW
Bit16u lec; // 16 bit Link Error Count = 0x0000 RO
} portli;
} usb3;
// if usb2 port
struct {
struct {
Bit8u tmode; // 4 bit Test Mode = 0x0 RO
Bit16u RsvdP; // 11 bit reserved and preseved = 0x000 RW
bx_bool hle; // 1 bit hardware LPM enable = 0b RW
Bit8u l1dslot; // 8 bit L1 Device Slot = 0x00 RW
Bit8u hird; // 4 bit Host Initiated Resume Durat = 0x0 RW
bx_bool rwe; // 1 bit Remote Wakeup Enable = 0b RW
Bit8u l1s; // 3 bit L1 Status = 000b RO
} portpmsc;
struct {
Bit32u RsvdP; // 32 bit reserved and preseved = 0x00000000 RW
} portli;
} usb2;
};
struct {
Bit8u hirdm; // 2 bit host initiated resume duration mode
Bit8u l1timeout; // 8 bit L1 timeout
Bit8u hirdd; // 4 bit host initiated resume duration deep
Bit32u RsvdP; // 18 bit reserved and preseved = 0x00000000 RW
} porthlpmc;
} usb_port[USB_XHCI_PORTS];
// Extended Caps Registers
Bit8u extended_caps[EXT_CAPS_SIZE];
struct XHCI_RUNTIME_REGS {
struct {
Bit32u RsvdP; // 18 bit reserved and preseved = 0x00000 RW
Bit16u index; // 14 bit index = 0x0000 RO
} mfindex;
struct {
struct {
Bit32u RsvdP; // 30 bit reserved and preseved = 0x00000000 RW
bx_bool ie; // 1 bit Interrupt Enable = 0b RW
bx_bool ip; // 1 bit Interrupt Pending = 0b RW1C
} iman;
struct {
Bit16u imodc; // 16 bit Interrupter Mod Counter = 0x0000 RW
Bit16u imodi; // 16 bit Interrupter Mod Interval = 0x0000 RW
} imod;
struct {
Bit16u RsvdP; // 16 bit reserved and preseved = 0x0000 RW
Bit16u erstabsize; // 16 bit Event Ring Seg Table Size = 0x0000 RW
} erstsz;
Bit32u RsvdP; // 32 bit reserved and preseved = 0x00000000 RW
struct {
Bit64u erstabadd; // 64 bit Event Ring Seg Tab Addy = 0x00000000 RW
Bit16u RsvdP; // 6 bit reserved and preseved = 0x0000 RW
} erstba;
struct {
Bit64u eventadd; // 64 bit Event Ring Addy hi = 0x00000000 RW
bx_bool ehb; // 1 bit Event Handler Busy = 0b RW1C
Bit8u desi; // 2 bit Dequeue ERST Seg Index = 00b RW
} erdp;
} interrupter[INTERRUPTERS];
} runtime_regs;
struct HC_SLOT_CONTEXT slots[MAX_SLOTS]; // first one is ignored by controller.
struct RING_MEMBERS ring_members;
Bit8u devfunc;
int statusbar_id; // ID of the status LEDs
Bit8u device_change;
} bx_usb_xhci_t;
class bx_usb_xhci_c : public bx_devmodel_c, public bx_pci_device_stub_c {
public:
bx_usb_xhci_c();
virtual ~bx_usb_xhci_c();
virtual void init(void);
virtual void reset(unsigned);
virtual void register_state(void);
virtual void after_restore_state(void);
virtual Bit32u pci_read_handler(Bit8u address, unsigned io_len);
virtual void pci_write_handler(Bit8u address, Bit32u value, unsigned io_len);
static const char *usb_param_handler(bx_param_string_c *param, int set,
const char *oldval, const char *val, int maxlen);
private:
bx_usb_xhci_t hub;
Bit8u *device_buffer;
static void reset_hc();
static void reset_port(int);
static bx_bool save_hc_state(void);
static bx_bool restore_hc_state(void);
static void update_irq(unsigned interrupter);
static void init_device(Bit8u port, bx_list_c *portconf);
static void remove_device(Bit8u port);
static void usb_set_connect_status(Bit8u port, int type, bx_bool connected);
static int broadcast_packet(USBPacket *p, const int port);
//static void usb_frame_handler(void *);
//void usb_frame_timer(void);
static void process_transfer_ring(const int slot, const int ep);
static void process_command_ring(void);
static void write_event_TRB(const unsigned interrupter, const Bit64u parameter, const Bit32u status,
const Bit32u command, const bx_bool fire_int);
static Bit32u NEC_verification(const Bit64u parameter);
static void init_event_ring(const unsigned interrupter);
static void read_TRB(bx_phy_address addr, struct TRB *trb);
static void write_TRB(bx_phy_address addr, const Bit64u parameter, const Bit32u status, const Bit32u command);
static void update_slot_context(const int slot);
static void update_ep_context(const int slot, const int ep);
static void dump_slot_context(const Bit32u *context, const int slot);
static void dump_ep_context(const Bit32u *context, const int slot, const int ep);
static void copy_slot_from_buffer(struct SLOT_CONTEXT *slot_context, const Bit8u *buffer);
static void copy_ep_from_buffer(struct EP_CONTEXT *ep_context, const Bit8u *buffer);
static void copy_slot_to_buffer(const Bit8u *buffer, const int slot);
static void copy_ep_to_buffer(const Bit8u *buffer, const int slot, const int ep);
static bx_bool validate_slot_context(const struct SLOT_CONTEXT *slot_context);
static bx_bool validate_ep_context(const struct EP_CONTEXT *ep_context, int speed, int ep_num);
static int create_unique_address(const int slot);
static int send_set_address(const int addr, const int port_num);
static void dump_xhci_core(const int slots, const int eps);
#if BX_USE_USB_XHCI_SMF
static bx_bool read_handler(bx_phy_address addr, unsigned len, void *data, void *param);
static bx_bool write_handler(bx_phy_address addr, unsigned len, void *data, void *param);
#else
bx_bool read_handler(bx_phy_address addr, unsigned len, void *data, void *param);
bx_bool write_handler(bx_phy_address addr, unsigned len, void *data, void *param);
#endif
static void runtime_config_handler(void *);
void runtime_config(void);
};
#endif // BX_IODEV_USB_XHCI_H
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