patch-2.3.99-pre7 linux/drivers/char/rio/link.h

• Lines: 189
• Date: Wed May 10 16:56:43 2000
• Orig file: v2.3.99-pre6/linux/drivers/char/rio/link.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.99-pre6/linux/drivers/char/rio/link.h linux/drivers/char/rio/link.h
@@ -0,0 +1,188 @@
+/****************************************************************************
+ *******                                                              *******
+ *******                      L I N K
+ *******                                                              *******
+ ****************************************************************************
+
+ Author  : Ian Nandhra / Jeremy Rolls
+ Date    :
+
+ *
+ *  (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
+ *
+ *      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.
+ *
+ *      This program 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 General Public License for more details.
+ *
+ *      You should have received a copy of the GNU General Public License
+ *      along with this program; if not, write to the Free Software
+ *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ Version : 0.01
+
+
+                            Mods
+ ----------------------------------------------------------------------------
+  Date     By                Description
+ ----------------------------------------------------------------------------
+
+ ***************************************************************************/
+
+#ifndef _link_h
+#define _link_h 1
+
+#ifndef lint
+#ifdef SCCS_LABELS
+/* static char *_rio_link_h_sccs = "@(#)link.h	1.15"; */
+#endif
+#endif
+
+
+
+/*************************************************
+ * Define the Link Status stuff
+ ************************************************/
+#define LRT_ACTIVE         ((ushort) 0x01)
+#define LRT_SPARE1         ((ushort) 0x02)
+#define INTRO_RCVD         ((ushort) 0x04)
+#define FORCED_DISCONNECT  ((ushort) 0x08)
+#define LRT_SPARE2	   ((ushort) 0x80)
+
+#define TOP_OF_RTA_RAM     ((ushort) 0x7000)
+#define HOST_SERIAL_POINTER (unsigned char **) (TOP_OF_RTA_RAM - 2 * sizeof (ushort))
+
+/* Flags for ltt_status */
+#define  WAITING_ACK		(ushort) 0x0001
+#define  DATA_SENT		(ushort) 0x0002
+#define  WAITING_RUP		(ushort) 0x0004
+#define  WAITING_RETRY		(ushort) 0x0008
+#define  WAITING_TOPOLOGY	(ushort) 0x0010
+#define  SEND_SYNC		(ushort) 0x0020
+#define  FOAD_THIS_LINK		(ushort) 0x0040
+#define  REQUEST_SYNC		(ushort) 0x0080
+#define  REMOTE_DYING		(ushort) 0x0100
+#define  DIE_NOW		(ushort) 0x0200
+
+/* Boot request stuff */
+#define BOOT_REQUEST       ((ushort) 0)    /* Request for a boot */
+#define BOOT_ABORT         ((ushort) 1)    /* Abort a boot */
+#define BOOT_SEQUENCE      ((ushort) 2)    /* Packet with the number of packets
+                                              and load address */
+#define BOOT_COMPLETED     ((ushort) 3)    /* Boot completed */
+
+/* States that a link can be in */
+#define	LINK_DISCONNECTED  ((ushort) 0)    /* Disconnected */
+#define LINK_BOOT1         ((ushort) 1)    /* Trying to send 1st stage boot */
+#define LINK_BOOT2         ((ushort) 2)    /* Trying to send 2nd stage boot */
+#define LINK_BOOT2WAIT     ((ushort) 3)    /* Waiting for selftest results */
+#define LINK_BOOT3         ((ushort) 4)    /* Trying to send 3rd stage boots */
+#define LINK_SYNC          ((ushort) 5)    /* Syncing */
+
+#define LINK_INTRO         ((ushort) 10)    /* Introductory packet */
+#define LINK_SUPPLYID      ((ushort) 11)    /* Trying to supply an ID */
+#define LINK_TOPOLOGY      ((ushort) 12)    /* Send a topology update */
+#define LINK_REQUESTID     ((ushort) 13)    /* Waiting for an ID */
+#define LINK_CONNECTED     ((ushort) 14)    /* Connected */
+
+#define LINK_INTERCONNECT  ((ushort) 20)   /* Subnets interconnected */
+
+#define LINK_SPARE	   ((ushort) 40)
+
+/*
+** Set the default timeout for link communications.
+*/
+#define	LINKTIMEOUT		(400 * MILLISECOND)
+
+/*
+** LED stuff
+*/
+#if defined(RTA)
+#define LED_OFF            ((ushort) 0)    /* LED off */
+#define LED_RED            ((ushort) 1)    /* LED Red */
+#define LED_GREEN          ((ushort) 2)    /* LED Green */
+#define LED_ORANGE         ((ushort) 4)    /* LED Orange */
+#define LED_1TO8_OPEN      ((ushort) 1)    /* Port 1->8 LED on */
+#define LED_9TO16_OPEN     ((ushort) 2)    /* Port 9->16 LED on */
+#define LED_SET_COLOUR(colour)	(link->led = (colour))
+#define LED_OR_COLOUR(colour)	(link->led |= (colour))
+#define LED_TIMEOUT(time)    (link->led_timeout = RioTimePlus(RioTime(),(time)))
+#else
+#define LED_SET_COLOUR(colour)
+#define LED_OR_COLOUR(colour)
+#define LED_TIMEOUT(time)
+#endif /* RTA */
+
+struct LPB {
+               WORD          link_number ;       /* Link Number */
+               Channel_ptr   in_ch ;             /* Link In Channel */
+               Channel_ptr   out_ch ;            /* Link Out Channel */
+#ifdef RTA
+               uchar        stat_led ;          /* Port open leds */
+               uchar        led ;               /* True, light led! */
+#endif
+               BYTE attached_serial[4]; /* Attached serial number */
+               BYTE attached_host_serial[4];
+                                                 /* Serial number of Host who
+                                                    booted the other end */
+               WORD          descheduled ;       /* Currently Descheduled */
+               WORD          state;              /* Current state */
+               WORD          send_poll ;         /* Send a Poll Packet */
+               Process_ptr   ltt_p ;             /* Process Descriptor */
+               Process_ptr   lrt_p ;             /* Process Descriptor */
+               WORD          lrt_status ;        /* Current lrt status */
+               WORD          ltt_status ;        /* Current ltt status */
+               WORD          timeout ;           /* Timeout value */
+               WORD          topology;           /* Topology bits */
+               WORD          mon_ltt ;
+               WORD          mon_lrt ;
+               WORD          WaitNoBoot ;	 /* Secs to hold off booting */
+               PKT_ptr       add_packet_list;    /* Add packets to here */
+               PKT_ptr       remove_packet_list; /* Send packets from here */
+#ifdef RTA
+#ifdef DCIRRUS
+#define    QBUFS_PER_REDIRECT (4 / PKTS_PER_BUFFER + 1) 
+#else
+#define    QBUFS_PER_REDIRECT (8 / PKTS_PER_BUFFER + 1) 
+#endif
+               PKT_ptr_ptr   rd_add ;            /* Add a new Packet here */
+               Q_BUF_ptr     rd_add_qb;          /* Pointer to the add Q buf */
+               PKT_ptr_ptr   rd_add_st_qbb ;     /* Pointer to start of the Q's buf */
+               PKT_ptr_ptr   rd_add_end_qbb ;    /* Pointer to the end of the Q's buf */
+               PKT_ptr_ptr   rd_remove ;         /* Remove a Packet here */
+               Q_BUF_ptr     rd_remove_qb ;      /* Pointer to the remove Q buf */
+               PKT_ptr_ptr   rd_remove_st_qbb ;  /* Pointer to the start of the Q buf */
+               PKT_ptr_ptr   rd_remove_end_qbb ; /* Pointer to the end of the Q buf */
+               ushort        pkts_in_q ;         /* Packets in queue */
+#endif
+
+               Channel_ptr   lrt_fail_chan ;     /* Lrt's failure channel */
+               Channel_ptr   ltt_fail_chan ;     /* Ltt's failure channel */
+
+#if defined (HOST) || defined (INKERNEL)
+ /* RUP structure for HOST to driver communications */
+               struct RUP           rup ;              
+#endif
+               struct RUP           link_rup;           /* RUP for the link (POLL,
+                                                    topology etc.) */
+               WORD          attached_link ;     /* Number of attached link */
+               WORD          csum_errors ;       /* csum errors */
+               WORD          num_disconnects ;   /* number of disconnects */
+               WORD          num_sync_rcvd ;     /* # sync's received */
+               WORD          num_sync_rqst ;     /* # sync requests */
+               WORD          num_tx ;            /* Num pkts sent */
+               WORD          num_rx ;            /* Num pkts received */
+               WORD          module_attached;    /* Module tpyes of attached */
+               WORD          led_timeout;        /* LED timeout */
+               WORD          first_port;         /* First port to service */
+               WORD          last_port;          /* Last port to service */
+           } ;
+
+#endif
+
+/*********** end of file ***********/