1 /*- 2 * Copyright (c) 2015 Netflix, Inc 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <sys/param.h> 31 32 #ifdef _KERNEL 33 #include "opt_scsi.h" 34 35 #include <sys/systm.h> 36 #include <sys/libkern.h> 37 #include <sys/kernel.h> 38 #include <sys/malloc.h> 39 #include <sys/sysctl.h> 40 #else 41 #include <errno.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #ifndef min 46 #define min(a,b) (((a)<(b))?(a):(b)) 47 #endif 48 #endif 49 50 #include <cam/cam.h> 51 #include <cam/cam_ccb.h> 52 #include <cam/cam_queue.h> 53 #include <cam/cam_xpt.h> 54 #include <cam/nvme/nvme_all.h> 55 #include <sys/sbuf.h> 56 #include <sys/endian.h> 57 58 #ifdef _KERNEL 59 #include <cam/cam_periph.h> 60 #include <cam/cam_xpt_sim.h> 61 #include <cam/cam_xpt_periph.h> 62 #include <cam/cam_xpt_internal.h> 63 #endif 64 65 void 66 nvme_ns_cmd(struct ccb_nvmeio *nvmeio, uint8_t cmd, uint32_t nsid, 67 uint32_t cdw10, uint32_t cdw11, uint32_t cdw12, uint32_t cdw13, 68 uint32_t cdw14, uint32_t cdw15) 69 { 70 bzero(&nvmeio->cmd, sizeof(struct nvme_command)); 71 nvmeio->cmd.opc = cmd; 72 nvmeio->cmd.nsid = nsid; 73 nvmeio->cmd.cdw10 = cdw10; 74 nvmeio->cmd.cdw11 = cdw11; 75 nvmeio->cmd.cdw12 = cdw12; 76 nvmeio->cmd.cdw13 = cdw13; 77 nvmeio->cmd.cdw14 = cdw14; 78 nvmeio->cmd.cdw15 = cdw15; 79 } 80 81 int 82 nvme_identify_match(caddr_t identbuffer, caddr_t table_entry) 83 { 84 return 0; 85 } 86 87 88 void 89 nvme_print_ident(const struct nvme_controller_data *cdata, 90 const struct nvme_namespace_data *data) 91 { 92 printf("I'm a pretty NVME drive\n"); 93 } 94 95 /* XXX need to do nvme admin opcodes too, but those aren't used yet by nda */ 96 static const char * 97 nvme_opc2str[] = { 98 "FLUSH", 99 "WRITE", 100 "READ", 101 "RSVD-3", 102 "WRITE_UNCORRECTABLE", 103 "COMPARE", 104 "RSVD-6", 105 "RSVD-7", 106 "DATASET_MANAGEMENT" 107 }; 108 109 const char * 110 nvme_op_string(const struct nvme_command *cmd) 111 { 112 if (cmd->opc > nitems(nvme_opc2str)) 113 return "UNKNOWN"; 114 115 return nvme_opc2str[cmd->opc]; 116 } 117 118 const char * 119 nvme_cmd_string(const struct nvme_command *cmd, char *cmd_string, size_t len) 120 { 121 /* 122 * cid, rsvd areas and mptr not printed, since they are used 123 * only internally by the SIM. 124 */ 125 snprintf(cmd_string, len, 126 "opc=%x fuse=%x nsid=%x prp1=%llx prp2=%llx cdw=%x %x %x %x %x %x", 127 cmd->opc, cmd->fuse, cmd->nsid, 128 (unsigned long long)cmd->prp1, (unsigned long long)cmd->prp2, 129 cmd->cdw10, cmd->cdw11, cmd->cdw12, cmd->cdw13, cmd->cdw14, cmd->cdw15); 130 131 return cmd_string; 132 } 133 134 const void * 135 nvme_get_identify_cntrl(struct cam_periph *periph) 136 { 137 struct cam_ed *device; 138 139 device = periph->path->device; 140 141 return device->nvme_cdata; 142 } 143 144 const void * 145 nvme_get_identify_ns(struct cam_periph *periph) 146 { 147 struct cam_ed *device; 148 149 device = periph->path->device; 150 151 return device->nvme_data; 152 } 153