122 строки
4.8 KiB
C
122 строки
4.8 KiB
C
/*
|
|
* This file is part of the Chelsio T4 PCI-E SR-IOV Virtual Function Ethernet
|
|
* driver for Linux.
|
|
*
|
|
* Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* OpenIB.org BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - 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.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#ifndef __T4VF_DEFS_H__
|
|
#define __T4VF_DEFS_H__
|
|
|
|
#include "../cxgb4/t4_regs.h"
|
|
|
|
/*
|
|
* The VF Register Map.
|
|
*
|
|
* The Scatter Gather Engine (SGE), Multiport Support module (MPS), PIO Local
|
|
* bus module (PL) and CPU Interface Module (CIM) components are mapped via
|
|
* the Slice to Module Map Table (see below) in the Physical Function Register
|
|
* Map. The Mail Box Data (MBDATA) range is mapped via the PCI-E Mailbox Base
|
|
* and Offset registers in the PF Register Map. The MBDATA base address is
|
|
* quite constrained as it determines the Mailbox Data addresses for both PFs
|
|
* and VFs, and therefore must fit in both the VF and PF Register Maps without
|
|
* overlapping other registers.
|
|
*/
|
|
#define T4VF_SGE_BASE_ADDR 0x0000
|
|
#define T4VF_MPS_BASE_ADDR 0x0100
|
|
#define T4VF_PL_BASE_ADDR 0x0200
|
|
#define T4VF_MBDATA_BASE_ADDR 0x0240
|
|
#define T4VF_CIM_BASE_ADDR 0x0300
|
|
|
|
#define T4VF_REGMAP_START 0x0000
|
|
#define T4VF_REGMAP_SIZE 0x0400
|
|
|
|
/*
|
|
* There's no hardware limitation which requires that the addresses of the
|
|
* Mailbox Data in the fixed CIM PF map and the programmable VF map must
|
|
* match. However, it's a useful convention ...
|
|
*/
|
|
#if T4VF_MBDATA_BASE_ADDR != CIM_PF_MAILBOX_DATA
|
|
#error T4VF_MBDATA_BASE_ADDR must match CIM_PF_MAILBOX_DATA!
|
|
#endif
|
|
|
|
/*
|
|
* Virtual Function "Slice to Module Map Table" definitions.
|
|
*
|
|
* This table allows us to map subsets of the various module register sets
|
|
* into the T4VF Register Map. Each table entry identifies the index of the
|
|
* module whose registers are being mapped, the offset within the module's
|
|
* register set that the mapping should start at, the limit of the mapping,
|
|
* and the offset within the T4VF Register Map to which the module's registers
|
|
* are being mapped. All addresses and qualtities are in terms of 32-bit
|
|
* words. The "limit" value is also in terms of 32-bit words and is equal to
|
|
* the last address mapped in the T4VF Register Map 1 (i.e. it's a "<="
|
|
* relation rather than a "<").
|
|
*/
|
|
#define T4VF_MOD_MAP(module, index, first, last) \
|
|
T4VF_MOD_MAP_##module##_INDEX = (index), \
|
|
T4VF_MOD_MAP_##module##_FIRST = (first), \
|
|
T4VF_MOD_MAP_##module##_LAST = (last), \
|
|
T4VF_MOD_MAP_##module##_OFFSET = ((first)/4), \
|
|
T4VF_MOD_MAP_##module##_BASE = \
|
|
(T4VF_##module##_BASE_ADDR/4 + (first)/4), \
|
|
T4VF_MOD_MAP_##module##_LIMIT = \
|
|
(T4VF_##module##_BASE_ADDR/4 + (last)/4),
|
|
|
|
#define SGE_VF_KDOORBELL 0x0
|
|
#define SGE_VF_GTS 0x4
|
|
#define MPS_VF_CTL 0x0
|
|
#define MPS_VF_STAT_RX_VF_ERR_FRAMES_H 0xfc
|
|
#define PL_VF_WHOAMI 0x0
|
|
#define CIM_VF_EXT_MAILBOX_CTRL 0x0
|
|
#define CIM_VF_EXT_MAILBOX_STATUS 0x4
|
|
|
|
enum {
|
|
T4VF_MOD_MAP(SGE, 2, SGE_VF_KDOORBELL, SGE_VF_GTS)
|
|
T4VF_MOD_MAP(MPS, 0, MPS_VF_CTL, MPS_VF_STAT_RX_VF_ERR_FRAMES_H)
|
|
T4VF_MOD_MAP(PL, 3, PL_VF_WHOAMI, PL_VF_WHOAMI)
|
|
T4VF_MOD_MAP(CIM, 1, CIM_VF_EXT_MAILBOX_CTRL, CIM_VF_EXT_MAILBOX_STATUS)
|
|
};
|
|
|
|
/*
|
|
* There isn't a Slice to Module Map Table entry for the Mailbox Data
|
|
* registers, but it's convenient to use similar names as above. There are 8
|
|
* little-endian 64-bit Mailbox Data registers. Note that the "instances"
|
|
* value below is in terms of 32-bit words which matches the "word" addressing
|
|
* space we use above for the Slice to Module Map Space.
|
|
*/
|
|
#define NUM_CIM_VF_MAILBOX_DATA_INSTANCES 16
|
|
|
|
#define T4VF_MBDATA_FIRST 0
|
|
#define T4VF_MBDATA_LAST ((NUM_CIM_VF_MAILBOX_DATA_INSTANCES-1)*4)
|
|
|
|
#endif /* __T4T4VF_DEFS_H__ */
|