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#-
# Copyright (c) 2016 Alexander Motin <mav@FreeBSD.org>
# All rights reserved.
#
# 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.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
#
# $FreeBSD$
#
#include <sys/bus.h>
#include <machine/bus.h>
INTERFACE ntb;
HEADER {
enum ntb_speed {
NTB_SPEED_AUTO = -1,
NTB_SPEED_NONE = 0,
NTB_SPEED_GEN1 = 1,
NTB_SPEED_GEN2 = 2,
NTB_SPEED_GEN3 = 3,
};
enum ntb_width {
NTB_WIDTH_AUTO = -1,
NTB_WIDTH_NONE = 0,
NTB_WIDTH_1 = 1,
NTB_WIDTH_2 = 2,
NTB_WIDTH_4 = 4,
NTB_WIDTH_8 = 8,
NTB_WIDTH_12 = 12,
NTB_WIDTH_16 = 16,
NTB_WIDTH_32 = 32,
};
typedef void (*ntb_db_callback)(void *data, uint32_t vector);
typedef void (*ntb_event_callback)(void *data);
struct ntb_ctx_ops {
ntb_event_callback link_event;
ntb_db_callback db_event;
};
};
METHOD bool link_is_up {
device_t ntb;
enum ntb_speed *speed;
enum ntb_width *width;
};
METHOD int link_enable {
device_t ntb;
enum ntb_speed speed;
enum ntb_width width;
};
METHOD int link_disable {
device_t ntb;
};
METHOD bool link_enabled {
device_t ntb;
};
METHOD int set_ctx {
device_t ntb;
void *ctx;
const struct ntb_ctx_ops *ctx_ops;
};
METHOD void * get_ctx {
device_t ntb;
const struct ntb_ctx_ops **ctx_ops;
};
METHOD void clear_ctx {
device_t ntb;
};
METHOD uint8_t mw_count {
device_t ntb;
};
METHOD int mw_get_range {
device_t ntb;
unsigned mw_idx;
vm_paddr_t *base;
caddr_t *vbase;
size_t *size;
size_t *align;
size_t *align_size;
bus_addr_t *plimit;
};
METHOD int mw_set_trans {
device_t ntb;
unsigned mw_idx;
bus_addr_t addr;
size_t size;
};
METHOD int mw_clear_trans {
device_t ntb;
unsigned mw_idx;
};
METHOD int mw_get_wc {
device_t ntb;
unsigned mw_idx;
vm_memattr_t *mode;
};
METHOD int mw_set_wc {
device_t ntb;
unsigned mw_idx;
vm_memattr_t mode;
};
METHOD uint8_t spad_count {
device_t ntb;
};
METHOD void spad_clear {
device_t ntb;
};
METHOD int spad_write {
device_t ntb;
unsigned int idx;
uint32_t val;
};
METHOD int spad_read {
device_t ntb;
unsigned int idx;
uint32_t *val;
};
METHOD int peer_spad_write {
device_t ntb;
unsigned int idx;
uint32_t val;
};
METHOD int peer_spad_read {
device_t ntb;
unsigned int idx;
uint32_t *val;
};
METHOD uint64_t db_valid_mask {
device_t ntb;
};
METHOD int db_vector_count {
device_t ntb;
};
METHOD uint64_t db_vector_mask {
device_t ntb;
uint32_t vector;
};
METHOD int peer_db_addr {
device_t ntb;
bus_addr_t *db_addr;
vm_size_t *db_size;
};
METHOD void db_clear {
device_t ntb;
uint64_t bits;
};
METHOD void db_clear_mask {
device_t ntb;
uint64_t bits;
};
METHOD uint64_t db_read {
device_t ntb;
};
METHOD void db_set_mask {
device_t ntb;
uint64_t bits;
};
METHOD void peer_db_set {
device_t ntb;
uint64_t bits;
};
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