/* * 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 … #define T4VF_MPS_BASE_ADDR … #define T4VF_PL_BASE_ADDR … #define T4VF_MBDATA_BASE_ADDR … #define T6VF_MBDATA_BASE_ADDR … #define T4VF_CIM_BASE_ADDR … #define T4VF_REGMAP_START … #define T4VF_REGMAP_SIZE … /* * 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_A #error T4VF_MBDATA_BASE_ADDR must match CIM_PF_MAILBOX_DATA_A! #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) … #define SGE_VF_KDOORBELL … #define SGE_VF_GTS … #define MPS_VF_CTL … #define MPS_VF_STAT_RX_VF_ERR_FRAMES_H … #define PL_VF_WHOAMI … #define CIM_VF_EXT_MAILBOX_CTRL … #define CIM_VF_EXT_MAILBOX_STATUS … enum { … }; /* * 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 … #define T4VF_MBDATA_FIRST … #define T4VF_MBDATA_LAST … #endif /* __T4T4VF_DEFS_H__ */
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