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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * Platform Firmware Runtime Update header
4 *
5 * Copyright(c) 2021 Intel Corporation. All rights reserved.
6 */
7#ifndef __PFRUT_H__
8#define __PFRUT_H__
9
10#include <linux/ioctl.h>
11#include <linux/types.h>
12
13#define PFRUT_IOCTL_MAGIC 0xEE
14
15/**
16 * PFRU_IOC_SET_REV - _IOW(PFRUT_IOCTL_MAGIC, 0x01, unsigned int)
17 *
18 * Return:
19 * * 0 - success
20 * * -EFAULT - fail to read the revision id
21 * * -EINVAL - user provides an invalid revision id
22 *
23 * Set the Revision ID for Platform Firmware Runtime Update.
24 */
25#define PFRU_IOC_SET_REV _IOW(PFRUT_IOCTL_MAGIC, 0x01, unsigned int)
26
27/**
28 * PFRU_IOC_STAGE - _IOW(PFRUT_IOCTL_MAGIC, 0x02, unsigned int)
29 *
30 * Return:
31 * * 0 - success
32 * * -EINVAL - stage phase returns invalid result
33 *
34 * Stage a capsule image from communication buffer and perform authentication.
35 */
36#define PFRU_IOC_STAGE _IOW(PFRUT_IOCTL_MAGIC, 0x02, unsigned int)
37
38/**
39 * PFRU_IOC_ACTIVATE - _IOW(PFRUT_IOCTL_MAGIC, 0x03, unsigned int)
40 *
41 * Return:
42 * * 0 - success
43 * * -EINVAL - activate phase returns invalid result
44 *
45 * Activate a previously staged capsule image.
46 */
47#define PFRU_IOC_ACTIVATE _IOW(PFRUT_IOCTL_MAGIC, 0x03, unsigned int)
48
49/**
50 * PFRU_IOC_STAGE_ACTIVATE - _IOW(PFRUT_IOCTL_MAGIC, 0x04, unsigned int)
51 *
52 * Return:
53 * * 0 - success
54 * * -EINVAL - stage/activate phase returns invalid result.
55 *
56 * Perform both stage and activation action.
57 */
58#define PFRU_IOC_STAGE_ACTIVATE _IOW(PFRUT_IOCTL_MAGIC, 0x04, unsigned int)
59
60/**
61 * PFRU_IOC_QUERY_CAP - _IOR(PFRUT_IOCTL_MAGIC, 0x05,
62 * struct pfru_update_cap_info)
63 *
64 * Return:
65 * * 0 - success
66 * * -EINVAL - query phase returns invalid result
67 * * -EFAULT - the result fails to be copied to userspace
68 *
69 * Retrieve information on the Platform Firmware Runtime Update capability.
70 * The information is a struct pfru_update_cap_info.
71 */
72#define PFRU_IOC_QUERY_CAP _IOR(PFRUT_IOCTL_MAGIC, 0x05, struct pfru_update_cap_info)
73
74/**
75 * struct pfru_payload_hdr - Capsule file payload header.
76 *
77 * @sig: Signature of this capsule file.
78 * @hdr_version: Revision of this header structure.
79 * @hdr_size: Size of this header, including the OemHeader bytes.
80 * @hw_ver: The supported firmware version.
81 * @rt_ver: Version of the code injection image.
82 * @platform_id: A platform specific GUID to specify the platform what
83 * this capsule image support.
84 */
85struct pfru_payload_hdr {
86 __u32 sig;
87 __u32 hdr_version;
88 __u32 hdr_size;
89 __u32 hw_ver;
90 __u32 rt_ver;
91 __u8 platform_id[16];
92 __u32 svn_ver;
93};
94
95enum pfru_dsm_status {
96 DSM_SUCCEED = 0,
97 DSM_FUNC_NOT_SUPPORT = 1,
98 DSM_INVAL_INPUT = 2,
99 DSM_HARDWARE_ERR = 3,
100 DSM_RETRY_SUGGESTED = 4,
101 DSM_UNKNOWN = 5,
102 DSM_FUNC_SPEC_ERR = 6,
103};
104
105/**
106 * struct pfru_update_cap_info - Runtime update capability information.
107 *
108 * @status: Indicator of whether this query succeed.
109 * @update_cap: Bitmap to indicate whether the feature is supported.
110 * @code_type: A buffer containing an image type GUID.
111 * @fw_version: Platform firmware version.
112 * @code_rt_version: Code injection runtime version for anti-rollback.
113 * @drv_type: A buffer containing an image type GUID.
114 * @drv_rt_version: The version of the driver update runtime code.
115 * @drv_svn: The secure version number(SVN) of the driver update runtime code.
116 * @platform_id: A buffer containing a platform ID GUID.
117 * @oem_id: A buffer containing an OEM ID GUID.
118 * @oem_info_len: Length of the buffer containing the vendor specific information.
119 */
120struct pfru_update_cap_info {
121 __u32 status;
122 __u32 update_cap;
123
124 __u8 code_type[16];
125 __u32 fw_version;
126 __u32 code_rt_version;
127
128 __u8 drv_type[16];
129 __u32 drv_rt_version;
130 __u32 drv_svn;
131
132 __u8 platform_id[16];
133 __u8 oem_id[16];
134
135 __u32 oem_info_len;
136};
137
138/**
139 * struct pfru_com_buf_info - Communication buffer information.
140 *
141 * @status: Indicator of whether this query succeed.
142 * @ext_status: Implementation specific query result.
143 * @addr_lo: Low 32bit physical address of the communication buffer to hold
144 * a runtime update package.
145 * @addr_hi: High 32bit physical address of the communication buffer to hold
146 * a runtime update package.
147 * @buf_size: Maximum size in bytes of the communication buffer.
148 */
149struct pfru_com_buf_info {
150 __u32 status;
151 __u32 ext_status;
152 __u64 addr_lo;
153 __u64 addr_hi;
154 __u32 buf_size;
155};
156
157/**
158 * struct pfru_updated_result - Platform firmware runtime update result information.
159 * @status: Indicator of whether this update succeed.
160 * @ext_status: Implementation specific update result.
161 * @low_auth_time: Low 32bit value of image authentication time in nanosecond.
162 * @high_auth_time: High 32bit value of image authentication time in nanosecond.
163 * @low_exec_time: Low 32bit value of image execution time in nanosecond.
164 * @high_exec_time: High 32bit value of image execution time in nanosecond.
165 */
166struct pfru_updated_result {
167 __u32 status;
168 __u32 ext_status;
169 __u64 low_auth_time;
170 __u64 high_auth_time;
171 __u64 low_exec_time;
172 __u64 high_exec_time;
173};
174
175/**
176 * struct pfrt_log_data_info - Log Data from telemetry service.
177 * @status: Indicator of whether this update succeed.
178 * @ext_status: Implementation specific update result.
179 * @chunk1_addr_lo: Low 32bit physical address of the telemetry data chunk1
180 * starting address.
181 * @chunk1_addr_hi: High 32bit physical address of the telemetry data chunk1
182 * starting address.
183 * @chunk2_addr_lo: Low 32bit physical address of the telemetry data chunk2
184 * starting address.
185 * @chunk2_addr_hi: High 32bit physical address of the telemetry data chunk2
186 * starting address.
187 * @max_data_size: Maximum supported size of data of all data chunks combined.
188 * @chunk1_size: Data size in bytes of the telemetry data chunk1 buffer.
189 * @chunk2_size: Data size in bytes of the telemetry data chunk2 buffer.
190 * @rollover_cnt: Number of times telemetry data buffer is overwritten
191 * since telemetry buffer reset.
192 * @reset_cnt: Number of times telemetry services resets that results in
193 * rollover count and data chunk buffers are reset.
194 */
195struct pfrt_log_data_info {
196 __u32 status;
197 __u32 ext_status;
198 __u64 chunk1_addr_lo;
199 __u64 chunk1_addr_hi;
200 __u64 chunk2_addr_lo;
201 __u64 chunk2_addr_hi;
202 __u32 max_data_size;
203 __u32 chunk1_size;
204 __u32 chunk2_size;
205 __u32 rollover_cnt;
206 __u32 reset_cnt;
207};
208
209/**
210 * struct pfrt_log_info - Telemetry log information.
211 * @log_level: The telemetry log level.
212 * @log_type: The telemetry log type(history and execution).
213 * @log_revid: The telemetry log revision id.
214 */
215struct pfrt_log_info {
216 __u32 log_level;
217 __u32 log_type;
218 __u32 log_revid;
219};
220
221/**
222 * PFRT_LOG_IOC_SET_INFO - _IOW(PFRUT_IOCTL_MAGIC, 0x06,
223 * struct pfrt_log_info)
224 *
225 * Return:
226 * * 0 - success
227 * * -EFAULT - fail to get the setting parameter
228 * * -EINVAL - fail to set the log level
229 *
230 * Set the PFRT log level and log type. The input information is
231 * a struct pfrt_log_info.
232 */
233#define PFRT_LOG_IOC_SET_INFO _IOW(PFRUT_IOCTL_MAGIC, 0x06, struct pfrt_log_info)
234
235/**
236 * PFRT_LOG_IOC_GET_INFO - _IOR(PFRUT_IOCTL_MAGIC, 0x07,
237 * struct pfrt_log_info)
238 *
239 * Return:
240 * * 0 - success
241 * * -EINVAL - fail to get the log level
242 * * -EFAULT - fail to copy the result back to userspace
243 *
244 * Retrieve log level and log type of the telemetry. The information is
245 * a struct pfrt_log_info.
246 */
247#define PFRT_LOG_IOC_GET_INFO _IOR(PFRUT_IOCTL_MAGIC, 0x07, struct pfrt_log_info)
248
249/**
250 * PFRT_LOG_IOC_GET_DATA_INFO - _IOR(PFRUT_IOCTL_MAGIC, 0x08,
251 * struct pfrt_log_data_info)
252 *
253 * Return:
254 * * 0 - success
255 * * -EINVAL - fail to get the log buffer information
256 * * -EFAULT - fail to copy the log buffer information to userspace
257 *
258 * Retrieve data information about the telemetry. The information
259 * is a struct pfrt_log_data_info.
260 */
261#define PFRT_LOG_IOC_GET_DATA_INFO _IOR(PFRUT_IOCTL_MAGIC, 0x08, struct pfrt_log_data_info)
262
263#endif /* __PFRUT_H__ */