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sdla.h
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/* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Global definitions for the Frame relay interface. * * Version: @(#)if_ifrad.h 0.20 13 Apr 96 * * Author: Mike McLagan <mike.mclagan@linux.org> * * Changes: * 0.15 Mike McLagan Structure packing * * 0.20 Mike McLagan New flags for S508 buffer handling * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef SDLA_H #define SDLA_H #include <uapi/linux/sdla.h> /* important Z80 window addresses */ #define SDLA_CONTROL_WND 0xE000 #define SDLA_502_CMD_BUF 0xEF60 #define SDLA_502_RCV_BUF 0xA900 #define SDLA_502_TXN_AVAIL 0xFFF1 #define SDLA_502_RCV_AVAIL 0xFFF2 #define SDLA_502_EVENT_FLAGS 0xFFF3 #define SDLA_502_MDM_STATUS 0xFFF4 #define SDLA_502_IRQ_INTERFACE 0xFFFD #define SDLA_502_IRQ_PERMISSION 0xFFFE #define SDLA_502_DATA_OFS 0x0010 #define SDLA_508_CMD_BUF 0xE000 #define SDLA_508_TXBUF_INFO 0xF100 #define SDLA_508_RXBUF_INFO 0xF120 #define SDLA_508_EVENT_FLAGS 0xF003 #define SDLA_508_MDM_STATUS 0xF004 #define SDLA_508_IRQ_INTERFACE 0xF010 #define SDLA_508_IRQ_PERMISSION 0xF011 #define SDLA_508_TSE_OFFSET 0xF012 /* Event flags */ #define SDLA_EVENT_STATUS 0x01 #define SDLA_EVENT_DLCI_STATUS 0x02 #define SDLA_EVENT_BAD_DLCI 0x04 #define SDLA_EVENT_LINK_DOWN 0x40 /* IRQ Trigger flags */ #define SDLA_INTR_RX 0x01 #define SDLA_INTR_TX 0x02 #define SDLA_INTR_MODEM 0x04 #define SDLA_INTR_COMPLETE 0x08 #define SDLA_INTR_STATUS 0x10 #define SDLA_INTR_TIMER 0x20 /* DLCI status bits */ #define SDLA_DLCI_DELETED 0x01 #define SDLA_DLCI_ACTIVE 0x02 #define SDLA_DLCI_WAITING 0x04 #define SDLA_DLCI_NEW 0x08 #define SDLA_DLCI_INCLUDED 0x40 /* valid command codes */ #define SDLA_INFORMATION_WRITE 0x01 #define SDLA_INFORMATION_READ 0x02 #define SDLA_ISSUE_IN_CHANNEL_SIGNAL 0x03 #define SDLA_SET_DLCI_CONFIGURATION 0x10 #define SDLA_READ_DLCI_CONFIGURATION 0x11 #define SDLA_DISABLE_COMMUNICATIONS 0x12 #define SDLA_ENABLE_COMMUNICATIONS 0x13 #define SDLA_READ_DLC_STATUS 0x14 #define SDLA_READ_DLC_STATISTICS 0x15 #define SDLA_FLUSH_DLC_STATISTICS 0x16 #define SDLA_LIST_ACTIVE_DLCI 0x17 #define SDLA_FLUSH_INFORMATION_BUFFERS 0x18 #define SDLA_ADD_DLCI 0x20 #define SDLA_DELETE_DLCI 0x21 #define SDLA_ACTIVATE_DLCI 0x22 #define SDLA_DEACTIVATE_DLCI 0x23 #define SDLA_READ_MODEM_STATUS 0x30 #define SDLA_SET_MODEM_STATUS 0x31 #define SDLA_READ_COMMS_ERR_STATS 0x32 #define SDLA_FLUSH_COMMS_ERR_STATS 0x33 #define SDLA_READ_CODE_VERSION 0x40 #define SDLA_SET_IRQ_TRIGGER 0x50 #define SDLA_GET_IRQ_TRIGGER 0x51 /* In channel signal types */ #define SDLA_ICS_LINK_VERIFY 0x02 #define SDLA_ICS_STATUS_ENQ 0x03 /* modem status flags */ #define SDLA_MODEM_DTR_HIGH 0x01 #define SDLA_MODEM_RTS_HIGH 0x02 #define SDLA_MODEM_DCD_HIGH 0x08 #define SDLA_MODEM_CTS_HIGH 0x20 /* used for RET_MODEM interpretation */ #define SDLA_MODEM_DCD_LOW 0x01 #define SDLA_MODEM_CTS_LOW 0x02 /* return codes */ #define SDLA_RET_OK 0x00 #define SDLA_RET_COMMUNICATIONS 0x01 #define SDLA_RET_CHANNEL_INACTIVE 0x02 #define SDLA_RET_DLCI_INACTIVE 0x03 #define SDLA_RET_DLCI_CONFIG 0x04 #define SDLA_RET_BUF_TOO_BIG 0x05 #define SDLA_RET_NO_DATA 0x05 #define SDLA_RET_BUF_OVERSIZE 0x06 #define SDLA_RET_CIR_OVERFLOW 0x07 #define SDLA_RET_NO_BUFS 0x08 #define SDLA_RET_TIMEOUT 0x0A #define SDLA_RET_MODEM 0x10 #define SDLA_RET_CHANNEL_OFF 0x11 #define SDLA_RET_CHANNEL_ON 0x12 #define SDLA_RET_DLCI_STATUS 0x13 #define SDLA_RET_DLCI_UNKNOWN 0x14 #define SDLA_RET_COMMAND_INVALID 0x1F /* Configuration flags */ #define SDLA_DIRECT_RECV 0x0080 #define SDLA_TX_NO_EXCEPT 0x0020 #define SDLA_NO_ICF_MSGS 0x1000 #define SDLA_TX50_RX50 0x0000 #define SDLA_TX70_RX30 0x2000 #define SDLA_TX30_RX70 0x4000 /* IRQ selection flags */ #define SDLA_IRQ_RECEIVE 0x01 #define SDLA_IRQ_TRANSMIT 0x02 #define SDLA_IRQ_MODEM_STAT 0x04 #define SDLA_IRQ_COMMAND 0x08 #define SDLA_IRQ_CHANNEL 0x10 #define SDLA_IRQ_TIMER 0x20 /* definitions for PC memory mapping */ #define SDLA_8K_WINDOW 0x01 #define SDLA_S502_SEG_A 0x10 #define SDLA_S502_SEG_C 0x20 #define SDLA_S502_SEG_D 0x00 #define SDLA_S502_SEG_E 0x30 #define SDLA_S507_SEG_A 0x00 #define SDLA_S507_SEG_B 0x40 #define SDLA_S507_SEG_C 0x80 #define SDLA_S507_SEG_E 0xC0 #define SDLA_S508_SEG_A 0x00 #define SDLA_S508_SEG_C 0x10 #define SDLA_S508_SEG_D 0x08 #define SDLA_S508_SEG_E 0x18 /* SDLA adapter port constants */ #define SDLA_IO_EXTENTS 0x04 #define SDLA_REG_CONTROL 0x00 #define SDLA_REG_PC_WINDOW 0x01 /* offset for PC window select latch */ #define SDLA_REG_Z80_WINDOW 0x02 /* offset for Z80 window select latch */ #define SDLA_REG_Z80_CONTROL 0x03 /* offset for Z80 control latch */ #define SDLA_S502_STS 0x00 /* status reg for 502, 502E, 507 */ #define SDLA_S508_GNRL 0x00 /* general purp. reg for 508 */ #define SDLA_S508_STS 0x01 /* status reg for 508 */ #define SDLA_S508_IDR 0x02 /* ID reg for 508 */ /* control register flags */ #define SDLA_S502A_START 0x00 /* start the CPU */ #define SDLA_S502A_INTREQ 0x02 #define SDLA_S502A_INTEN 0x04 #define SDLA_S502A_HALT 0x08 /* halt the CPU */ #define SDLA_S502A_NMI 0x10 /* issue an NMI to the CPU */ #define SDLA_S502E_CPUEN 0x01 #define SDLA_S502E_ENABLE 0x02 #define SDLA_S502E_INTACK 0x04 #define SDLA_S507_ENABLE 0x01 #define SDLA_S507_IRQ3 0x00 #define SDLA_S507_IRQ4 0x20 #define SDLA_S507_IRQ5 0x40 #define SDLA_S507_IRQ7 0x60 #define SDLA_S507_IRQ10 0x80 #define SDLA_S507_IRQ11 0xA0 #define SDLA_S507_IRQ12 0xC0 #define SDLA_S507_IRQ15 0xE0 #define SDLA_HALT 0x00 #define SDLA_CPUEN 0x02 #define SDLA_MEMEN 0x04 #define SDLA_S507_EPROMWR 0x08 #define SDLA_S507_EPROMCLK 0x10 #define SDLA_S508_INTRQ 0x08 #define SDLA_S508_INTEN 0x10 struct sdla_cmd { char opp_flag; char cmd; short length; char retval; short dlci; char flags; short rxlost_int; long rxlost_app; char reserve[2]; char data[SDLA_MAX_DATA]; /* transfer data buffer */ } __attribute__((packed)); struct intr_info { char flags; short txlen; char irq; char flags2; short timeout; } __attribute__((packed)); /* found in the 508's control window at RXBUF_INFO */ struct buf_info { unsigned short rse_num; unsigned long rse_base; unsigned long rse_next; unsigned long buf_base; unsigned short reserved; unsigned long buf_top; } __attribute__((packed)); /* structure pointed to by rse_base in RXBUF_INFO struct */ struct buf_entry { char opp_flag; short length; short dlci; char flags; short timestamp; short reserved[2]; long buf_addr; } __attribute__((packed)); #endif
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