File-copy from v4.4.100
This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Please refer to that tree for all history prior to this point.
Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/include/linux/sdla.h b/include/linux/sdla.h
new file mode 100644
index 0000000..fe7a967
--- /dev/null
+++ b/include/linux/sdla.h
@@ -0,0 +1,244 @@
+/*
+ * 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