212 lines
6.7 KiB
C
212 lines
6.7 KiB
C
/* $NetBSD: rrunnervar.h,v 1.4 1998/06/08 07:11:51 thorpej Exp $ */
|
|
|
|
/* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code contributed to The NetBSD Foundation by Kevin M. Lahey
|
|
* of the Numerical Aerospace Simulation Facility, NASA Ames Research
|
|
* Center.
|
|
*
|
|
* Partially based on a HIPPI driver written by Essential Communications
|
|
* Corporation. Thanks to Jason Thorpe, Matt Jacob, and Fred Templin
|
|
* for invaluable advice and encouragement!
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/* RoadRunner software status per interface */
|
|
|
|
struct rr_tuning {
|
|
/* Performance tuning registers: */
|
|
|
|
u_int32_t rt_mode_and_status;
|
|
u_int32_t rt_conn_retry_count;
|
|
u_int32_t rt_conn_retry_timer;
|
|
u_int32_t rt_conn_timeout;
|
|
u_int32_t rt_stats_timer;
|
|
u_int32_t rt_interrupt_timer;
|
|
u_int32_t rt_tx_timeout;
|
|
u_int32_t rt_rx_timeout;
|
|
|
|
/* DMA performance tuning registers: */
|
|
|
|
u_int32_t rt_pci_state;
|
|
u_int32_t rt_dma_write_state;
|
|
u_int32_t rt_dma_read_state;
|
|
u_int32_t rt_driver_param;
|
|
};
|
|
|
|
|
|
|
|
struct rr_eeprom {
|
|
u_int32_t ifr_offset; /* initial offset in bytes */
|
|
u_int32_t ifr_length; /* length in bytes to write */
|
|
u_int32_t *ifr_buffer; /* data to be written */
|
|
};
|
|
|
|
#define EIOCGTUNE 1 /* retrieve tuning */
|
|
#define EIOCSTUNE 2 /* set tuning */
|
|
#define EIOCGEEPROM 3 /* get eeprom */
|
|
#define EIOCSEEPROM 4 /* set eeprom */
|
|
#define EIOCGSTATS 5 /* get statistics */
|
|
|
|
#ifdef _KERNEL
|
|
|
|
struct esh_ring_ctl {
|
|
bus_dmamap_t ec_dma[RR_MAX_DESCR];
|
|
struct mbuf *ec_m[RR_MAX_DESCR];
|
|
struct mbuf *ec_cur_pkt; /* current packet being processed */
|
|
struct mbuf *ec_cur_mbuf; /* current mbuf being processed */
|
|
int ec_error; /* encountered error? */
|
|
u_int16_t ec_producer; /* latest buffer driver produced */
|
|
u_int16_t ec_consumer; /* latest buffer runcode consumed */
|
|
struct rr_descr *ec_descr; /* array of descriptors for ring */
|
|
struct rr2_descr *ec2_descr;
|
|
};
|
|
|
|
struct esh_softc {
|
|
struct device sc_dev;
|
|
struct ifnet sc_if;
|
|
struct ifmedia sc_media;
|
|
|
|
volatile int sc_flags;
|
|
#define ESH_FL_INITIALIZED 0x01
|
|
#define ESH_FL_RUNCODE_UP 0x02
|
|
#define ESH_FL_LINK_UP 0x04
|
|
#define ESH_FL_RRING_UP 0x08
|
|
#define ESH_FL_EEPROM_BUSY 0x10
|
|
|
|
void *sc_ih;
|
|
|
|
bus_space_tag_t sc_iot; /* bus cookie */
|
|
bus_space_handle_t sc_ioh; /* bus i/o handle */
|
|
|
|
bus_dma_tag_t sc_dmat; /* dma tag */
|
|
|
|
bus_dma_segment_t sc_dmaseg; /* segment holding the various
|
|
data structures in host memory
|
|
that are DMA'ed to the NIC */
|
|
bus_dmamap_t sc_dma; /* dma map for the segment */
|
|
caddr_t sc_dma_addr; /* address in kernel of DMA mem */
|
|
bus_size_t sc_dma_size; /* size of dma-able region */
|
|
|
|
u_int8_t (*sc_bist_read) __P((struct esh_softc *));
|
|
void (*sc_bist_write) __P((struct esh_softc *, u_int8_t));
|
|
|
|
/*
|
|
* Definitions for the various driver structures that sit in host
|
|
* memory and are read by the NIC via DMA:
|
|
*/
|
|
|
|
struct rr_gen_info *sc_gen_info; /* gen info block pointer */
|
|
bus_addr_t sc_gen_info_dma;
|
|
|
|
struct rr_ring_ctl *sc_recv_ring_table;
|
|
bus_addr_t sc_recv_ring_table_dma;
|
|
|
|
struct rr_event *sc_event_ring;
|
|
bus_addr_t sc_event_ring_dma;
|
|
|
|
struct rr_descr *sc_send_ring;
|
|
struct rr2_descr *sc2_send_ring;
|
|
bus_addr_t sc_send_ring_dma;
|
|
|
|
struct rr_descr *sc_snap_recv_ring;
|
|
struct rr2_descr *sc2_snap_recv_ring;
|
|
bus_addr_t sc_snap_recv_ring_dma;
|
|
|
|
/*
|
|
* Control structures for the various rings that we definitely
|
|
* know we want to keep track of.
|
|
*/
|
|
|
|
struct esh_ring_ctl sc_send;
|
|
struct esh_ring_ctl sc_snap_recv;
|
|
int sc_event_consumer;
|
|
int sc_event_producer;
|
|
int sc_cmd_consumer;
|
|
int sc_cmd_producer;
|
|
|
|
/*
|
|
* Various maintainance values we need
|
|
*/
|
|
|
|
int sc_watchdog;
|
|
|
|
/*
|
|
* Various hardware parameters we need to keep track of.
|
|
*/
|
|
|
|
u_int32_t sc_sram_size;
|
|
u_int32_t sc_runcode_start;
|
|
u_int32_t sc_runcode_version;
|
|
u_int32_t sc_version; /* interface of runcode (1 or 2) */
|
|
u_int16_t sc_options; /* options in current RunCode */
|
|
|
|
u_int32_t sc_pci_latency;
|
|
u_int32_t sc_pci_lat_gnt;
|
|
u_int32_t sc_pci_cache_line;
|
|
|
|
/* ULA assigned to hardware */
|
|
|
|
u_int8_t sc_ula[6];
|
|
|
|
/* Tuning parameters */
|
|
|
|
struct rr_tuning sc_tune;
|
|
|
|
/* Measure of how ugly this is. */
|
|
|
|
u_int32_t sc_misaligned_bufs;
|
|
u_int32_t sc_bad_lens;
|
|
};
|
|
|
|
void eshconfig __P((struct esh_softc *));
|
|
int eshintr __P((void *));
|
|
#endif /* _KERNEL */
|
|
|
|
/* Define a few constants for future use */
|
|
|
|
#define ESH_STATS_TIMER_DEFAULT 1030900
|
|
/* 1000000 usecs / 0.97 usecs/tick */
|
|
|
|
#define NEXT_EVENT(i) (((i) + 1) & (RR_EVENT_RING_SIZE - 1))
|
|
#define NEXT_SEND(i) (((i) + 1) & (RR_SEND_RING_SIZE - 1))
|
|
#define NEXT_RECV(i) (((i) + 1) & (RR_SNAP_RECV_RING_SIZE - 1))
|
|
|
|
#define PREV_SEND(i) (((i) + RR_SEND_RING_SIZE - 1) & (RR_SEND_RING_SIZE - 1))
|
|
#define PREV_RECV(i) (((i) + RR_SNAP_RECV_RING_SIZE - 1) & (RR_SNAP_RECV_RING_SIZE - 1))
|
|
|
|
#define NEXT_SEND2(i) (((i) + 1) & (RR2_SEND_RING_SIZE - 1))
|
|
#define NEXT_RECV2(i) (((i) + 1) & (RR2_SNAP_RECV_RING_SIZE - 1))
|
|
|
|
#define PREV_SEND2(i) (((i) + RR2_SEND_RING_SIZE - 1) & (RR2_SEND_RING_SIZE - 1))
|
|
#define PREV_RECV2(i) (((i) + RR2_SNAP_RECV_RING_SIZE - 1) & (RR2_SNAP_RECV_RING_SIZE - 1))
|
|
|