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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c 
 kernel/drivers/acpi/nfit/nfit.h
....@@ -1,16 +1,8 @@
1
+/* SPDX-License-Identifier: GPL-2.0-only */
12 /*
23  * NVDIMM Firmware Interface Table - NFIT
34  *
45  * Copyright(c) 2013-2015 Intel Corporation. All rights reserved.
5
- *
6
- * This program is free software; you can redistribute it and/or modify
7
- * it under the terms of version 2 of the GNU General Public License as
8
- * published by the Free Software Foundation.
9
- *
10
- * This program is distributed in the hope that it will be useful, but
11
- * WITHOUT ANY WARRANTY; without even the implied warranty of
12
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13
- * General Public License for more details.
146  */
157 #ifndef __NFIT_H__
168 #define __NFIT_H__
....@@ -24,8 +16,9 @@
2416 /* ACPI 6.1 */
2517 #define UUID_NFIT_BUS "2f10e7a4-9e91-11e4-89d3-123b93f75cba"
2618 
27
-/* http://pmem.io/documents/NVDIMM_DSM_Interface-V1.6.pdf */
19
+/* https://pmem.io/documents/NVDIMM_DSM_Interface-V1.6.pdf */
2820 #define UUID_NFIT_DIMM "4309ac30-0d11-11e4-9191-0800200c9a66"
21
+#define UUID_INTEL_BUS "c7d8acd4-2df8-4b82-9f65-a325335af149"
2922 
3023 /* https://github.com/HewlettPackard/hpe-nvm/blob/master/Documentation/ */
3124 #define UUID_NFIT_DIMM_N_HPE1 "9002c334-acf3-4c0e-9642-a235f0d53bc6"
....@@ -41,7 +34,7 @@
4134 		| ACPI_NFIT_MEM_RESTORE_FAILED | ACPI_NFIT_MEM_FLUSH_FAILED \
4235 		| ACPI_NFIT_MEM_NOT_ARMED | ACPI_NFIT_MEM_MAP_FAILED)
4336 
44
-#define NVDIMM_FAMILY_MAX NVDIMM_FAMILY_HYPERV
37
+#define NVDIMM_CMD_MAX 31
4538 
4639 #define NVDIMM_STANDARD_CMDMASK \
4740 (1 << ND_CMD_SMART | 1 << ND_CMD_SMART_THRESHOLD | 1 << ND_CMD_DIMM_FLAGS \
....@@ -63,14 +56,49 @@
6356 	NVDIMM_INTEL_QUERY_FWUPDATE = 16,
6457 	NVDIMM_INTEL_SET_THRESHOLD = 17,
6558 	NVDIMM_INTEL_INJECT_ERROR = 18,
59
+	NVDIMM_INTEL_GET_SECURITY_STATE = 19,
60
+	NVDIMM_INTEL_SET_PASSPHRASE = 20,
61
+	NVDIMM_INTEL_DISABLE_PASSPHRASE = 21,
62
+	NVDIMM_INTEL_UNLOCK_UNIT = 22,
63
+	NVDIMM_INTEL_FREEZE_LOCK = 23,
64
+	NVDIMM_INTEL_SECURE_ERASE = 24,
65
+	NVDIMM_INTEL_OVERWRITE = 25,
66
+	NVDIMM_INTEL_QUERY_OVERWRITE = 26,
67
+	NVDIMM_INTEL_SET_MASTER_PASSPHRASE = 27,
68
+	NVDIMM_INTEL_MASTER_SECURE_ERASE = 28,
69
+	NVDIMM_INTEL_FW_ACTIVATE_DIMMINFO = 29,
70
+	NVDIMM_INTEL_FW_ACTIVATE_ARM = 30,
6671 };
72
+
73
+enum nvdimm_bus_family_cmds {
74
+	NVDIMM_BUS_INTEL_FW_ACTIVATE_BUSINFO = 1,
75
+	NVDIMM_BUS_INTEL_FW_ACTIVATE = 2,
76
+};
77
+
78
+#define NVDIMM_INTEL_SECURITY_CMDMASK \
79
+(1 << NVDIMM_INTEL_GET_SECURITY_STATE | 1 << NVDIMM_INTEL_SET_PASSPHRASE \
80
+| 1 << NVDIMM_INTEL_DISABLE_PASSPHRASE | 1 << NVDIMM_INTEL_UNLOCK_UNIT \
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+| 1 << NVDIMM_INTEL_FREEZE_LOCK | 1 << NVDIMM_INTEL_SECURE_ERASE \
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+| 1 << NVDIMM_INTEL_OVERWRITE | 1 << NVDIMM_INTEL_QUERY_OVERWRITE \
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+| 1 << NVDIMM_INTEL_SET_MASTER_PASSPHRASE \
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+| 1 << NVDIMM_INTEL_MASTER_SECURE_ERASE)
85
+
86
+#define NVDIMM_INTEL_FW_ACTIVATE_CMDMASK \
87
+(1 << NVDIMM_INTEL_FW_ACTIVATE_DIMMINFO | 1 << NVDIMM_INTEL_FW_ACTIVATE_ARM)
88
+
89
+#define NVDIMM_BUS_INTEL_FW_ACTIVATE_CMDMASK \
90
+(1 << NVDIMM_BUS_INTEL_FW_ACTIVATE_BUSINFO | 1 << NVDIMM_BUS_INTEL_FW_ACTIVATE)
6791 
6892 #define NVDIMM_INTEL_CMDMASK \
6993 (NVDIMM_STANDARD_CMDMASK | 1 << NVDIMM_INTEL_GET_MODES \
7094  | 1 << NVDIMM_INTEL_GET_FWINFO | 1 << NVDIMM_INTEL_START_FWUPDATE \
7195  | 1 << NVDIMM_INTEL_SEND_FWUPDATE | 1 << NVDIMM_INTEL_FINISH_FWUPDATE \
7296  | 1 << NVDIMM_INTEL_QUERY_FWUPDATE | 1 << NVDIMM_INTEL_SET_THRESHOLD \
73
- | 1 << NVDIMM_INTEL_INJECT_ERROR | 1 << NVDIMM_INTEL_LATCH_SHUTDOWN)
97
+ | 1 << NVDIMM_INTEL_INJECT_ERROR | 1 << NVDIMM_INTEL_LATCH_SHUTDOWN \
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+ | NVDIMM_INTEL_SECURITY_CMDMASK | NVDIMM_INTEL_FW_ACTIVATE_CMDMASK)
99
+
100
+#define NVDIMM_INTEL_DENY_CMDMASK \
101
+(NVDIMM_INTEL_SECURITY_CMDMASK | NVDIMM_INTEL_FW_ACTIVATE_CMDMASK)
74102 
75103 enum nfit_uuids {
76104 	/* for simplicity alias the uuid index with the family id */
....@@ -79,6 +107,11 @@
79107 	NFIT_DEV_DIMM_N_HPE2 = NVDIMM_FAMILY_HPE2,
80108 	NFIT_DEV_DIMM_N_MSFT = NVDIMM_FAMILY_MSFT,
81109 	NFIT_DEV_DIMM_N_HYPERV = NVDIMM_FAMILY_HYPERV,
110
+	/*
111
+	 * to_nfit_bus_uuid() expects to translate bus uuid family ids
112
+	 * to a UUID index using NVDIMM_FAMILY_MAX as an offset
113
+	 */
114
+	NFIT_BUS_INTEL = NVDIMM_FAMILY_MAX + NVDIMM_BUS_FAMILY_INTEL,
82115 	NFIT_SPA_VOLATILE,
83116 	NFIT_SPA_PM,
84117 	NFIT_SPA_DCR,
....@@ -133,33 +166,42 @@
133166 	unsigned long ars_state;
134167 	u32 clear_err_unit;
135168 	u32 max_ars;
136
-	struct acpi_nfit_system_address spa[0];
169
+	struct acpi_nfit_system_address spa[];
137170 };
138171 
139172 struct nfit_dcr {
140173 	struct list_head list;
141
-	struct acpi_nfit_control_region dcr[0];
174
+	struct acpi_nfit_control_region dcr[];
142175 };
143176 
144177 struct nfit_bdw {
145178 	struct list_head list;
146
-	struct acpi_nfit_data_region bdw[0];
179
+	struct acpi_nfit_data_region bdw[];
147180 };
148181 
149182 struct nfit_idt {
150183 	struct list_head list;
151
-	struct acpi_nfit_interleave idt[0];
184
+	struct acpi_nfit_interleave idt[];
152185 };
153186 
154187 struct nfit_flush {
155188 	struct list_head list;
156
-	struct acpi_nfit_flush_address flush[0];
189
+	struct acpi_nfit_flush_address flush[];
157190 };
158191 
159192 struct nfit_memdev {
160193 	struct list_head list;
161
-	struct acpi_nfit_memory_map memdev[0];
194
+	struct acpi_nfit_memory_map memdev[];
162195 };
196
+
197
+enum nfit_mem_flags {
198
+	NFIT_MEM_LSR,
199
+	NFIT_MEM_LSW,
200
+	NFIT_MEM_DIRTY,
201
+	NFIT_MEM_DIRTY_COUNT,
202
+};
203
+
204
+#define NFIT_DIMM_ID_LEN	22
163205 
164206 /* assembled tables for a given dimm/memory-device */
165207 struct nfit_mem {
....@@ -178,11 +220,15 @@
178220 	struct list_head list;
179221 	struct acpi_device *adev;
180222 	struct acpi_nfit_desc *acpi_desc;
223
+	enum nvdimm_fwa_state fwa_state;
224
+	enum nvdimm_fwa_result fwa_result;
225
+	int fwa_count;
226
+	char id[NFIT_DIMM_ID_LEN+1];
181227 	struct resource *flush_wpq;
182228 	unsigned long dsm_mask;
229
+	unsigned long flags;
230
+	u32 dirty_shutdown;
183231 	int family;
184
-	bool has_lsr;
185
-	bool has_lsw;
186232 };
187233 
188234 enum scrub_flags {
....@@ -216,11 +262,17 @@
216262 	unsigned long scrub_flags;
217263 	unsigned long dimm_cmd_force_en;
218264 	unsigned long bus_cmd_force_en;
219
-	unsigned long bus_nfit_cmd_force_en;
265
+	unsigned long bus_dsm_mask;
266
+	unsigned long family_dsm_mask[NVDIMM_BUS_FAMILY_MAX + 1];
220267 	unsigned int platform_cap;
221268 	unsigned int scrub_tmo;
222269 	int (*blk_do_io)(struct nd_blk_region *ndbr, resource_size_t dpa,
223270 			void *iobuf, u64 len, int rw);
271
+	enum nvdimm_fwa_state fwa_state;
272
+	enum nvdimm_fwa_capability fwa_cap;
273
+	int fwa_count;
274
+	bool fwa_noidle;
275
+	bool fwa_nosuspend;
224276 };
225277 
226278 enum scrub_mode {
....@@ -291,6 +343,30 @@
291343 	return container_of(nd_desc, struct acpi_nfit_desc, nd_desc);
292344 }
293345 
346
+#ifdef CONFIG_PROVE_LOCKING
347
+static inline void nfit_device_lock(struct device *dev)
348
+{
349
+	device_lock(dev);
350
+	mutex_lock(&dev->lockdep_mutex);
351
+}
352
+
353
+static inline void nfit_device_unlock(struct device *dev)
354
+{
355
+	mutex_unlock(&dev->lockdep_mutex);
356
+	device_unlock(dev);
357
+}
358
+#else
359
+static inline void nfit_device_lock(struct device *dev)
360
+{
361
+	device_lock(dev);
362
+}
363
+
364
+static inline void nfit_device_unlock(struct device *dev)
365
+{
366
+	device_unlock(dev);
367
+}
368
+#endif
369
+
294370 const guid_t *to_nfit_uuid(enum nfit_uuids id);
295371 int acpi_nfit_init(struct acpi_nfit_desc *acpi_desc, void *nfit, acpi_size sz);
296372 void acpi_nfit_shutdown(void *data);
....@@ -299,4 +375,6 @@
299375 int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
300376 		unsigned int cmd, void *buf, unsigned int buf_len, int *cmd_rc);
301377 void acpi_nfit_desc_init(struct acpi_nfit_desc *acpi_desc, struct device *dev);
378
+bool intel_fwa_supported(struct nvdimm_bus *nvdimm_bus);
379
+extern struct device_attribute dev_attr_firmware_activate_noidle;
302380 #endif /* __NFIT_H__ */