xref: /linux/drivers/net/wireless/intel/iwlwifi/iwl-context-info.h (revision f9bff0e31881d03badf191d3b0005839391f5f2b)
1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /*
3  * Copyright (C) 2017 Intel Deutschland GmbH
4  * Copyright (C) 2018-2020, 2022 Intel Corporation
5  */
6 #ifndef __iwl_context_info_file_h__
7 #define __iwl_context_info_file_h__
8 
9 /* maximmum number of DRAM map entries supported by FW */
10 #define IWL_MAX_DRAM_ENTRY	64
11 #define CSR_CTXT_INFO_BA	0x40
12 
13 /**
14  * enum iwl_context_info_flags - Context information control flags
15  * @IWL_CTXT_INFO_AUTO_FUNC_INIT: If set, FW will not wait before interrupting
16  *	the init done for driver command that configures several system modes
17  * @IWL_CTXT_INFO_EARLY_DEBUG: enable early debug
18  * @IWL_CTXT_INFO_ENABLE_CDMP: enable core dump
19  * @IWL_CTXT_INFO_RB_CB_SIZE: mask of the RBD Cyclic Buffer Size
20  *	exponent, the actual size is 2**value, valid sizes are 8-2048.
21  *	The value is four bits long. Maximum valid exponent is 12
22  * @IWL_CTXT_INFO_TFD_FORMAT_LONG: use long TFD Format (the
23  *	default is short format - not supported by the driver)
24  * @IWL_CTXT_INFO_RB_SIZE: RB size mask
25  *	(values are IWL_CTXT_INFO_RB_SIZE_*K)
26  * @IWL_CTXT_INFO_RB_SIZE_1K: Value for 1K RB size
27  * @IWL_CTXT_INFO_RB_SIZE_2K: Value for 2K RB size
28  * @IWL_CTXT_INFO_RB_SIZE_4K: Value for 4K RB size
29  * @IWL_CTXT_INFO_RB_SIZE_8K: Value for 8K RB size
30  * @IWL_CTXT_INFO_RB_SIZE_12K: Value for 12K RB size
31  * @IWL_CTXT_INFO_RB_SIZE_16K: Value for 16K RB size
32  * @IWL_CTXT_INFO_RB_SIZE_20K: Value for 20K RB size
33  * @IWL_CTXT_INFO_RB_SIZE_24K: Value for 24K RB size
34  * @IWL_CTXT_INFO_RB_SIZE_28K: Value for 28K RB size
35  * @IWL_CTXT_INFO_RB_SIZE_32K: Value for 32K RB size
36  */
37 enum iwl_context_info_flags {
38 	IWL_CTXT_INFO_AUTO_FUNC_INIT	= 0x0001,
39 	IWL_CTXT_INFO_EARLY_DEBUG	= 0x0002,
40 	IWL_CTXT_INFO_ENABLE_CDMP	= 0x0004,
41 	IWL_CTXT_INFO_RB_CB_SIZE	= 0x00f0,
42 	IWL_CTXT_INFO_TFD_FORMAT_LONG	= 0x0100,
43 	IWL_CTXT_INFO_RB_SIZE		= 0x1e00,
44 	IWL_CTXT_INFO_RB_SIZE_1K	= 0x1,
45 	IWL_CTXT_INFO_RB_SIZE_2K	= 0x2,
46 	IWL_CTXT_INFO_RB_SIZE_4K	= 0x4,
47 	IWL_CTXT_INFO_RB_SIZE_8K	= 0x8,
48 	IWL_CTXT_INFO_RB_SIZE_12K	= 0x9,
49 	IWL_CTXT_INFO_RB_SIZE_16K	= 0xa,
50 	IWL_CTXT_INFO_RB_SIZE_20K	= 0xb,
51 	IWL_CTXT_INFO_RB_SIZE_24K	= 0xc,
52 	IWL_CTXT_INFO_RB_SIZE_28K	= 0xd,
53 	IWL_CTXT_INFO_RB_SIZE_32K	= 0xe,
54 };
55 
56 /*
57  * struct iwl_context_info_version - version structure
58  * @mac_id: SKU and revision id
59  * @version: context information version id
60  * @size: the size of the context information in DWs
61  */
62 struct iwl_context_info_version {
63 	__le16 mac_id;
64 	__le16 version;
65 	__le16 size;
66 	__le16 reserved;
67 } __packed;
68 
69 /*
70  * struct iwl_context_info_control - version structure
71  * @control_flags: context information flags see &enum iwl_context_info_flags
72  */
73 struct iwl_context_info_control {
74 	__le32 control_flags;
75 	__le32 reserved;
76 } __packed;
77 
78 /*
79  * struct iwl_context_info_dram - images DRAM map
80  * each entry in the map represents a DRAM chunk of up to 32 KB
81  * @umac_img: UMAC image DRAM map
82  * @lmac_img: LMAC image DRAM map
83  * @virtual_img: paged image DRAM map
84  */
85 struct iwl_context_info_dram {
86 	__le64 umac_img[IWL_MAX_DRAM_ENTRY];
87 	__le64 lmac_img[IWL_MAX_DRAM_ENTRY];
88 	__le64 virtual_img[IWL_MAX_DRAM_ENTRY];
89 } __packed;
90 
91 /*
92  * struct iwl_context_info_rbd_cfg - RBDs configuration
93  * @free_rbd_addr: default queue free RB CB base address
94  * @used_rbd_addr: default queue used RB CB base address
95  * @status_wr_ptr: default queue used RB status write pointer
96  */
97 struct iwl_context_info_rbd_cfg {
98 	__le64 free_rbd_addr;
99 	__le64 used_rbd_addr;
100 	__le64 status_wr_ptr;
101 } __packed;
102 
103 /*
104  * struct iwl_context_info_hcmd_cfg  - command queue configuration
105  * @cmd_queue_addr: address of command queue
106  * @cmd_queue_size: number of entries
107  */
108 struct iwl_context_info_hcmd_cfg {
109 	__le64 cmd_queue_addr;
110 	u8 cmd_queue_size;
111 	u8 reserved[7];
112 } __packed;
113 
114 /*
115  * struct iwl_context_info_dump_cfg - Core Dump configuration
116  * @core_dump_addr: core dump (debug DRAM address) start address
117  * @core_dump_size: size, in DWs
118  */
119 struct iwl_context_info_dump_cfg {
120 	__le64 core_dump_addr;
121 	__le32 core_dump_size;
122 	__le32 reserved;
123 } __packed;
124 
125 /*
126  * struct iwl_context_info_pnvm_cfg - platform NVM data configuration
127  * @platform_nvm_addr: Platform NVM data start address
128  * @platform_nvm_size: size in DWs
129  */
130 struct iwl_context_info_pnvm_cfg {
131 	__le64 platform_nvm_addr;
132 	__le32 platform_nvm_size;
133 	__le32 reserved;
134 } __packed;
135 
136 /*
137  * struct iwl_context_info_early_dbg_cfg - early debug configuration for
138  *	dumping DRAM addresses
139  * @early_debug_addr: early debug start address
140  * @early_debug_size: size in DWs
141  */
142 struct iwl_context_info_early_dbg_cfg {
143 	__le64 early_debug_addr;
144 	__le32 early_debug_size;
145 	__le32 reserved;
146 } __packed;
147 
148 /*
149  * struct iwl_context_info - device INIT configuration
150  * @version: version information of context info and HW
151  * @control: control flags of FH configurations
152  * @rbd_cfg: default RX queue configuration
153  * @hcmd_cfg: command queue configuration
154  * @dump_cfg: core dump data
155  * @edbg_cfg: early debug configuration
156  * @pnvm_cfg: platform nvm configuration
157  * @dram: firmware image addresses in DRAM
158  */
159 struct iwl_context_info {
160 	struct iwl_context_info_version version;
161 	struct iwl_context_info_control control;
162 	__le64 reserved0;
163 	struct iwl_context_info_rbd_cfg rbd_cfg;
164 	struct iwl_context_info_hcmd_cfg hcmd_cfg;
165 	__le32 reserved1[4];
166 	struct iwl_context_info_dump_cfg dump_cfg;
167 	struct iwl_context_info_early_dbg_cfg edbg_cfg;
168 	struct iwl_context_info_pnvm_cfg pnvm_cfg;
169 	__le32 reserved2[16];
170 	struct iwl_context_info_dram dram;
171 	__le32 reserved3[16];
172 } __packed;
173 
174 int iwl_pcie_ctxt_info_init(struct iwl_trans *trans, const struct fw_img *fw);
175 void iwl_pcie_ctxt_info_free(struct iwl_trans *trans);
176 void iwl_pcie_ctxt_info_free_paging(struct iwl_trans *trans);
177 int iwl_pcie_init_fw_sec(struct iwl_trans *trans,
178 			 const struct fw_img *fw,
179 			 struct iwl_context_info_dram *ctxt_dram);
180 void *iwl_pcie_ctxt_info_dma_alloc_coherent(struct iwl_trans *trans,
181 					    size_t size,
182 					    dma_addr_t *phys);
183 int iwl_pcie_ctxt_info_alloc_dma(struct iwl_trans *trans,
184 				 const void *data, u32 len,
185 				 struct iwl_dram_data *dram);
186 
187 #endif /* __iwl_context_info_file_h__ */
188