| Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015 The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | /** |
| 29 | * DOC : wlan_hdd_memdump.h |
| 30 | * |
| 31 | * WLAN Host Device Driver file for dumping firmware memory |
| 32 | * |
| 33 | */ |
| 34 | |
| 35 | #if !defined(WLAN_HDD_MEMDUMP_H) |
| 36 | #define WLAN_HDD_MEMDUMP_H |
| 37 | |
| 38 | #include "wlan_hdd_main.h" |
| 39 | |
| 40 | #ifdef WLAN_FEATURE_MEMDUMP |
| 41 | /** |
| 42 | * enum qca_wlan_vendor_attr_memory_dump - values for memory dump attributes |
| 43 | * @QCA_WLAN_VENDOR_ATTR_MEMORY_DUMP_INVALID - Invalid |
| 44 | * @QCA_WLAN_VENDOR_ATTR_REQUEST_ID - Indicate request ID |
| 45 | * @QCA_WLAN_VENDOR_ATTR_MEMDUMP_SIZE - Indicate size of the memory dump |
| 46 | * @QCA_WLAN_VENDOR_ATTR_MEMORY_DUMP_AFTER_LAST - To keep track of the last enum |
| 47 | * @QCA_WLAN_VENDOR_ATTR_MEMORY_DUMP_MAX - max value possible for this type |
| 48 | * |
| 49 | * enum values are used for NL attributes for data used by |
| 50 | * QCA_NL80211_VENDOR_SUBCMD_WIFI_LOGGER_MEMORY_DUMP sub command. |
| 51 | */ |
| 52 | enum qca_wlan_vendor_attr_memory_dump { |
| 53 | QCA_WLAN_VENDOR_ATTR_MEMORY_DUMP_INVALID = 0, |
| 54 | QCA_WLAN_VENDOR_ATTR_REQUEST_ID = 1, |
| 55 | QCA_WLAN_VENDOR_ATTR_MEMDUMP_SIZE = 2, |
| 56 | |
| 57 | QCA_WLAN_VENDOR_ATTR_MEMORY_DUMP_AFTER_LAST, |
| 58 | QCA_WLAN_VENDOR_ATTR_MEMORY_DUMP_MAX = |
| 59 | QCA_WLAN_VENDOR_ATTR_MEMORY_DUMP_AFTER_LAST - 1, |
| 60 | }; |
| 61 | |
| 62 | /* Size of fw memory dump is estimated to be 327680 bytes */ |
| 63 | #define FW_MEM_DUMP_SIZE 327680 |
| 64 | #define FW_DRAM_LOCATION 0x00400000 |
| 65 | #define FW_MEM_DUMP_REQ_ID 1 |
| 66 | #define FW_MEM_DUMP_NUM_SEG 1 |
| 67 | #define MEMDUMP_COMPLETION_TIME_MS 5000 |
| 68 | |
| 69 | int memdump_init(void); |
| 70 | void memdump_deinit(void); |
| 71 | int wlan_hdd_cfg80211_get_fw_mem_dump(struct wiphy *wiphy, |
| 72 | struct wireless_dev *wdev, |
| 73 | const void *data, int data_len); |
| 74 | #else |
| 75 | static inline int memdump_init(void) |
| 76 | { |
| 77 | return -ENOTSUPP; |
| 78 | } |
| 79 | |
| 80 | static inline void memdump_deinit(void) |
| 81 | { |
| 82 | } |
| 83 | |
| 84 | static inline int wlan_hdd_cfg80211_get_fw_mem_dump(struct wiphy *wiphy, |
| 85 | struct wireless_dev *wdev, |
| 86 | const void *data, int data_len) |
| 87 | { |
| 88 | return -ENOTSUPP; |
| 89 | } |
| 90 | #endif |
| 91 | |
| 92 | #endif /* if !defined(WLAN_HDD_MEMDUMP_H)*/ |