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/sysctl.h> 39 #else 40 #include <errno.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #ifndef min 45 #define min(a,b) (((a)<(b))?(a):(b)) 46 #endif 47 #endif 48 49 #include <cam/cam.h> 50 #include <cam/cam_ccb.h> 51 #include <cam/cam_queue.h> 52 #include <cam/cam_xpt.h> 53 #include <cam/nvme/nvme_all.h> 54 #include <sys/sbuf.h> 55 #include <sys/endian.h> 56 57 void 58 nvme_ns_cmd(struct ccb_nvmeio *nvmeio, uint8_t cmd, uint32_t nsid, 59 uint32_t cdw10, uint32_t cdw11, uint32_t cdw12, uint32_t cdw13, 60 uint32_t cdw14, uint32_t cdw15) 61 { 62 bzero(&nvmeio->cmd, sizeof(struct nvme_command)); 63 nvmeio->cmd.opc = cmd; 64 nvmeio->cmd.nsid = nsid; 65 nvmeio->cmd.cdw10 = cdw10; 66 nvmeio->cmd.cdw11 = cdw11; 67 nvmeio->cmd.cdw12 = cdw12; 68 nvmeio->cmd.cdw13 = cdw13; 69 nvmeio->cmd.cdw14 = cdw14; 70 nvmeio->cmd.cdw15 = cdw15; 71 } 72 73 int 74 nvme_identify_match(caddr_t identbuffer, caddr_t table_entry) 75 { 76 return 0; 77 } 78 79 80 void 81 nvme_print_ident(const struct nvme_controller_data *cdata, 82 const struct nvme_namespace_data *data) 83 { 84 printf("I'm a pretty NVME drive\n"); 85 } 86 87 /* XXX need to do nvme admin opcodes too, but those aren't used yet by nda */ 88 static const char * 89 nvme_opc2str[] = { 90 "FLUSH", 91 "WRITE", 92 "READ", 93 "RSVD-3", 94 "WRITE_UNCORRECTABLE", 95 "COMPARE", 96 "RSVD-6", 97 "RSVD-7", 98 "DATASET_MANAGEMENT" 99 }; 100 101 const char * 102 nvme_op_string(const struct nvme_command *cmd) 103 { 104 if (cmd->opc > nitems(nvme_opc2str)) 105 return "UNKNOWN"; 106 107 return nvme_opc2str[cmd->opc]; 108 } 109 110 const char * 111 nvme_cmd_string(const struct nvme_command *cmd, char *cmd_string, size_t len) 112 { 113 /* 114 * cid, rsvd areas and mptr not printed, since they are used 115 * only internally by the SIM. 116 */ 117 snprintf(cmd_string, len, 118 "opc=%x fuse=%x nsid=%x prp1=%llx prp2=%llx cdw=%x %x %x %x %x %x", 119 cmd->opc, cmd->fuse, cmd->nsid, 120 (unsigned long long)cmd->prp1, (unsigned long long)cmd->prp2, 121 cmd->cdw10, cmd->cdw11, cmd->cdw12, cmd->cdw13, cmd->cdw14, cmd->cdw15); 122 123 return cmd_string; 124 } 125