nvme.h revision 1.3
1 /* $NetBSD: nvme.h,v 1.3 2018/04/18 10:11:44 nonaka Exp $ */ 2 3 /*- 4 * Copyright (C) 2012-2013 Intel Corporation 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD: head/sys/dev/nvme/nvme.h 314888 2017-03-07 23:02:59Z imp $ 29 */ 30 31 #ifndef __NVME_H__ 32 #define __NVME_H__ 33 34 /* Cap nvme to 1MB transfers driver explodes with larger sizes */ 35 #define NVME_MAX_XFER_SIZE (MAXPHYS < (1<<20) ? MAXPHYS : (1<<20)) 36 37 /* Get Log Page */ 38 #define NVME_LOG_ERROR 0x01 39 #define NVME_LOG_HEALTH_INFORMATION 0x02 40 #define NVME_LOG_FIRMWARE_SLOT 0x03 41 #define NVME_LOG_CHANGED_NAMESPACE_LIST 0x04 42 #define NVME_LOG_COMMAND_EFFECTS_LOG 0x05 43 #define NVME_LOG_RESERVATION_NOTIFICATION 0x80 44 /* 45 * The following are Intel Specific log pages, but they seem 46 * to be widely implemented. 47 */ 48 #define INTEL_LOG_READ_LAT_LOG 0xc1 49 #define INTEL_LOG_WRITE_LAT_LOG 0xc2 50 #define INTEL_LOG_TEMP_STATS 0xc5 51 #define INTEL_LOG_ADD_SMART 0xca 52 #define INTEL_LOG_DRIVE_MKT_NAME 0xdd 53 /* 54 * HGST log page, with lots ofs sub pages. 55 */ 56 #define HGST_INFO_LOG 0xc1 57 58 /* Error Information Log (Log Identifier 01h) */ 59 struct nvme_error_information_entry { 60 uint64_t error_count; 61 uint16_t sqid; 62 uint16_t cid; 63 uint16_t status; 64 uint16_t error_location; 65 uint64_t lba; 66 uint32_t nsid; 67 uint8_t vendor_specific; 68 uint8_t _reserved1[3]; 69 uint64_t command_specific; 70 uint8_t reserved[24]; 71 } __packed __aligned(4); 72 73 /* SMART / Health Information Log (Log Identifier 02h) */ 74 struct nvme_health_information_page { 75 uint8_t critical_warning; 76 #define NVME_HEALTH_PAGE_CW_VOLATILE_MEMORY_BACKUP __BIT(4) 77 #define NVME_HEALTH_PAGE_CW_READ_ONLY __BIT(3) 78 #define NVME_HEALTH_PAGE_CW_DEVICE_RELIABLITY __BIT(2) 79 #define NVME_HEALTH_PAGE_CW_TEMPERTURE __BIT(1) 80 #define NVME_HEALTH_PAGE_CW_AVAIL_SPARE __BIT(0) 81 uint16_t composite_temperature; 82 uint8_t available_spare; 83 uint8_t available_spare_threshold; 84 uint8_t percentage_used; 85 86 uint8_t _reserved1[26]; 87 88 uint64_t data_units_read[2]; 89 uint64_t data_units_written[2]; 90 uint64_t host_read_commands[2]; 91 uint64_t host_write_commands[2]; 92 uint64_t controller_busy_time[2]; 93 uint64_t power_cycles[2]; 94 uint64_t power_on_hours[2]; 95 uint64_t unsafe_shutdowns[2]; 96 uint64_t media_errors[2]; 97 uint64_t num_error_info_log_entries[2]; 98 uint32_t warning_temp_time; 99 uint32_t error_temp_time; 100 uint16_t temp_sensor[8]; 101 102 uint8_t reserved[296]; 103 } __packed __aligned(4); 104 105 /* Firmware Commit */ 106 #define NVME_COMMIT_ACTION_REPLACE_NO_ACTIVATE 0 107 #define NVME_COMMIT_ACTION_REPLACE_ACTIVATE 1 108 #define NVME_COMMIT_ACTION_ACTIVATE_RESET 2 109 #define NVME_COMMIT_ACTION_ACTIVATE_NO_RESET 3 110 111 /* Firmware Slot Information (Log Identifier 03h) */ 112 struct nvme_firmware_page { 113 uint8_t afi; 114 #define NVME_FW_PAGE_AFI_SLOT_RST __BITS(4, 6) 115 #define NVME_FW_PAGE_AFI_SLOT __BITS(0, 2) 116 uint8_t _reserved1[7]; 117 118 uint64_t revision[7]; /* revisions for 7 slots */ 119 120 uint8_t reserved[448]; 121 } __packed __aligned(4); 122 123 struct intel_log_temp_stats { 124 uint64_t current; 125 uint64_t overtemp_flag_last; 126 uint64_t overtemp_flag_life; 127 uint64_t max_temp; 128 uint64_t min_temp; 129 uint64_t _rsvd[5]; 130 uint64_t max_oper_temp; 131 uint64_t min_oper_temp; 132 uint64_t est_offset; 133 } __packed __aligned(4); 134 135 /* Commands Supported and Effects (Log Identifier 05h) */ 136 struct nvme_command_effeects_page { 137 uint32_t acs[256]; 138 #define NVME_CE_PAGE_CS_CSE __BITS(16, 18) 139 #define NVME_CE_PAGE_CS_CCC __BIT(4) 140 #define NVME_CE_PAGE_CS_NIC __BIT(3) 141 #define NVME_CE_PAGE_CS_NCC __BIT(2) 142 #define NVME_CE_PAGE_CS_LBCC __BIT(1) 143 #define NVME_CE_PAGE_CS_CSUPP __BIT(0) 144 uint32_t iocs[256]; 145 146 uint8_t reserved[2048]; 147 } __packed __aligned(4); 148 149 #endif /* __NVME_H__ */ 150
Indexes created Mon Sep 29 03:10:08 GMT 2025