xref: /illumos-gate/usr/src/uts/common/sys/nvme/wdc_sn65x.h (revision e00bdde3c6d406f40f53f3025defadc22f7ec31a)
1 /*
2  * This file and its contents are supplied under the terms of the
3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
5  * 1.0 of the CDDL.
6  *
7  * A full copy of the text of the CDDL should have accompanied this
8  * source.  A copy of the CDDL is also available via the Internet at
9  * http://www.illumos.org/license/CDDL.
10  */
11 
12 /*
13  * Copyright 2024 Oxide Computer Company
14  */
15 
16 #ifndef _SYS_NVME_WDC_SN65X_H
17 #define	_SYS_NVME_WDC_SN65X_H
18 
19 /*
20  * This header defines vendor-specific NVMe interfaces and is not a committed
21  * interface. Its contents and existence are subject to change.
22  *
23  * Vendor-specific definitions for the WDC SN650 and SN655 NVMe devices.
24  */
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
30 #define	WDC_SN650_DID	0x2720
31 #define	WDC_SN655_DID	0x2722
32 
33 typedef enum {
34 	WDC_SN65X_LOG_OCP_SMART		= 0xc0,
35 	/*
36 	 * This uses the common wdc_vul_power_t structure.
37 	 */
38 	WDC_SN65X_LOG_POWER		= 0xc5,
39 	/*
40 	 * This uses the common wdc_vul_temp_t structure. The specific
41 	 * measurements are recorded in the wdc_log_sn65x_temp_t.
42 	 */
43 	WDC_SN65X_LOG_TEMP		= 0xc6,
44 	WDC_SN65X_LOG_UNIQUE_SMART	= 0xca
45 } wdc_sn65x_vul_t;
46 
47 typedef enum {
48 	WDC_SN65X_TEMP_BOARD1	= 0,
49 	WDC_SN65X_TEMP_BOARD2,
50 	WDC_SN65X_TEMP_BOARD3,
51 	WDC_SN65X_TEMP_INLET_LED,
52 	WDC_SN65X_TEMP_OUTLET_HOST,
53 	WDC_SN65X_TEMP_NAND,
54 	WDC_SN65X_TEMP_FE,
55 	WDC_SN65X_TEMP_FM0,
56 	WDC_SN65X_TEMP_FM1,
57 	WDC_SN65X_TEMP_THERMR,
58 	WDC_SN65X_TEMP_AVG_THERMR,
59 	WDC_SN65X_TEMP_AVG_NAND,
60 	WDC_SN65X_TEMP_AVG_FE,
61 	WDC_SN65X_TEMP_NSAMPLES
62 } wdc_sn65x_temp_sample_t;
63 
64 /*
65  * All data structures must be packed to account for the layout from the various
66  * programmer's manuals.
67  */
68 #pragma pack(1)
69 
70 /*
71  * This structure represents an individual entry in the WDC Customer Unique
72  * SMART log page.
73  */
74 typedef struct {
75 	uint8_t vulp_id;
76 	uint8_t vulp_rsvd0[2];
77 	uint8_t vulp_norm;
78 	uint8_t vulp_rsvd1[1];
79 	uint8_t vulp_data[4];
80 	uint8_t vulp_pad[3];
81 } wdc_vul_sn65x_smart_ent_t;
82 
83 /*
84  * This structure represents the layout of the 0xca log page. Each entry has an
85  * id that corresponds to it and should be validated when reading this.
86  */
87 typedef struct {
88 	wdc_vul_sn65x_smart_ent_t sm_prog_fail;
89 	wdc_vul_sn65x_smart_ent_t sm_erase_fail;
90 	wdc_vul_sn65x_smart_ent_t sm_wear_level;
91 	wdc_vul_sn65x_smart_ent_t sm_etoe_edet;
92 	wdc_vul_sn65x_smart_ent_t sm_crc_err;
93 	wdc_vul_sn65x_smart_ent_t sm_timed_wear;
94 	wdc_vul_sn65x_smart_ent_t sm_timed_read;
95 	wdc_vul_sn65x_smart_ent_t sm_timed_timer;
96 	wdc_vul_sn65x_smart_ent_t sm_therm_throt;
97 	wdc_vul_sn65x_smart_ent_t sm_retry_buf_over;
98 	wdc_vul_sn65x_smart_ent_t sm_pll_lock_loss;
99 	wdc_vul_sn65x_smart_ent_t sm_nand_write;
100 	wdc_vul_sn65x_smart_ent_t sm_host_write;
101 } wdc_vul_sn65x_smart_t;
102 
103 typedef enum {
104 	WDC_SN65X_SMART_ENT_ID_PROG_FAIL	= 0,
105 	WDC_SN65X_SMART_END_ID_ERASE_FAIL,
106 	WDC_SN65X_SMART_ENT_ID_WEAR_LEVEL,
107 	WDC_SN65X_SMART_ENT_ID_ETOE_ERROR_DET,
108 	WDC_SN65X_SMART_ENT_ID_CRC_ERROR,
109 	WDC_SN65X_SMART_ENT_ID_TIMED_MEDIA_WEAR,
110 	WDC_SN65X_SMART_ENT_ID_TIMED_READS,
111 	WDC_SN65X_SMART_ENT_ID_TIMED_TIMER,
112 	WDC_SN65X_SMART_ENT_ID_THERMAL_THROTLE,
113 	WDC_SN65X_SMART_ENT_ID_RETRY_BUF_OVERFLOW,
114 	WDC_SN65X_SMART_ENT_ID_PLL_LOCK_LOSS,
115 	WDC_SN65X_SMART_ENT_ID_NAND_WRITTEN,
116 	WDC_SN65X_SMART_ENT_ID_HOST_WRITTEN
117 } wdc_sn65x_smart_ent_id_t;
118 
119 #pragma	pack()	/* pack(1) */
120 
121 #ifdef __cplusplus
122 }
123 #endif
124 
125 #endif /* _SYS_NVME_WDC_SN65X_H */
126