josh.h.morris@us.ibm.com | 8722ff8 | 2013-02-05 14:15:02 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Filename: rsXX_cfg.h |
| 3 | * |
| 4 | * |
| 5 | * Authors: Joshua Morris <josh.h.morris@us.ibm.com> |
| 6 | * Philip Kelleher <pjk1939@linux.vnet.ibm.com> |
| 7 | * |
| 8 | * (C) Copyright 2013 IBM Corporation |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or |
| 11 | * modify it under the terms of the GNU General Public License as |
| 12 | * published by the Free Software Foundation; either version 2 of the |
| 13 | * License, or (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, but |
| 16 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 18 | * General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software Foundation, |
| 22 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 23 | */ |
| 24 | |
| 25 | #ifndef __RSXX_CFG_H__ |
| 26 | #define __RSXX_CFG_H__ |
| 27 | |
| 28 | /* NOTE: Config values will be saved in network byte order (i.e. Big endian) */ |
| 29 | #include <linux/types.h> |
| 30 | |
| 31 | /* |
| 32 | * The card config version must match the driver's expected version. If it does |
| 33 | * not, the DMA interfaces will not be attached and the user will need to |
| 34 | * initialize/upgrade the card configuration using the card config utility. |
| 35 | */ |
| 36 | #define RSXX_CFG_VERSION 4 |
| 37 | |
| 38 | struct card_cfg_hdr { |
| 39 | __u32 version; |
| 40 | __u32 crc; |
| 41 | }; |
| 42 | |
| 43 | struct card_cfg_data { |
| 44 | __u32 block_size; |
| 45 | __u32 stripe_size; |
| 46 | __u32 vendor_id; |
| 47 | __u32 cache_order; |
| 48 | struct { |
| 49 | __u32 mode; /* Disabled, manual, auto-tune... */ |
| 50 | __u32 count; /* Number of intr to coalesce */ |
| 51 | __u32 latency;/* Max wait time (in ns) */ |
| 52 | } intr_coal; |
| 53 | }; |
| 54 | |
| 55 | struct rsxx_card_cfg { |
| 56 | struct card_cfg_hdr hdr; |
| 57 | struct card_cfg_data data; |
| 58 | }; |
| 59 | |
| 60 | /* Vendor ID Values */ |
| 61 | #define RSXX_VENDOR_ID_TMS_IBM 0 |
| 62 | #define RSXX_VENDOR_ID_DSI 1 |
| 63 | #define RSXX_VENDOR_COUNT 2 |
| 64 | |
| 65 | /* Interrupt Coalescing Values */ |
| 66 | #define RSXX_INTR_COAL_DISABLED 0 |
| 67 | #define RSXX_INTR_COAL_EXPLICIT 1 |
| 68 | #define RSXX_INTR_COAL_AUTO_TUNE 2 |
| 69 | |
| 70 | |
| 71 | #endif /* __RSXX_CFG_H__ */ |
| 72 | |