| /* |
| * This file is part of the Chelsio T4 Virtual Function (VF) Ethernet driver |
| * for Linux. |
| * |
| * Copyright (C) 2003-2009 Chelsio Communications. All rights reserved. |
| * |
| * 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 LICENSE file included in this |
| * release for licensing terms and conditions. |
| */ |
| |
| #ifndef __T4VF_DEFS_H__ |
| #define __T4VF_DEFS_H__ |
| |
| #include "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 != A_CIM_PF_MAILBOX_DATA |
| #error T4VF_MBDATA_BASE_ADDR must match A_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), |
| |
| enum { |
| T4VF_MOD_MAP(SGE, 2, A_SGE_VF_KDOORBELL, A_SGE_VF_GTS) |
| T4VF_MOD_MAP(MPS, 0, A_MPS_VF_CTL, A_MPS_VF_STAT_RX_VF_ERR_FRAMES_H) |
| T4VF_MOD_MAP(PL, 3, A_PL_VF_WHOAMI, A_PL_VF_WHOAMI) |
| T4VF_MOD_MAP(CIM, 1, A_CIM_VF_EXT_MAILBOX_CTRL, A_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 \ |
| NUM_CIM_PF_MAILBOX_DATA_INSTANCES |
| |
| #define T4VF_MBDATA_FIRST 0 |
| #define T4VF_MBDATA_LAST ((NUM_CIM_VF_MAILBOX_DATA_INSTANCES-1)*4) |
| |
| #endif /* __T4T4VF_DEFS_H__ */ |
