--- /dev/null
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+<body class="manpage">\r
+<div id="header">\r
+<h1>\r
+nvme-id-ns(1) Manual Page\r
+</h1>\r
+<h2>NAME</h2>\r
+<div class="sectionbody">\r
+<p>nvme-list-ctrl -\r
+ Send NVMe Identify List Controllers, return result and structure\r
+</p>\r
+</div>\r
+</div>\r
+<div id="content">\r
+<div class="sect1">\r
+<h2 id="_synopsis">SYNOPSIS</h2>\r
+<div class="sectionbody">\r
+<div class="verseblock">\r
+<pre class="content"><em>nvme list-ctrl</em> <device> [--cntid=<cntid> | -c <cntid>]</pre>\r
+<div class="attribution">\r
+</div></div>\r
+</div>\r
+</div>\r
+<div class="sect1">\r
+<h2 id="_description">DESCRIPTION</h2>\r
+<div class="sectionbody">\r
+<div class="paragraph"><p>For the NVMe device given, sends an identify command for controller list\r
+and provides the result and returned structure.</p></div>\r
+<div class="paragraph"><p>The <device> parameter is mandatory and may be either the NVMe character\r
+device (ex: /dev/nvme0), or a namespace block device (ex: /dev/nvme0n1).\r
+The starting controller in the list always begins with 0 unless the\r
+<tt>'--cntid'</tt> option is given to override.</p></div>\r
+<div class="paragraph"><p>On success, the controller array is printed for each index and controller\r
+identifier.</p></div>\r
+</div>\r
+</div>\r
+<div class="sect1">\r
+<h2 id="_options">OPTIONS</h2>\r
+<div class="sectionbody">\r
+<div class="dlist"><dl>\r
+<dt class="hdlist1">\r
+-c <cntid>\r
+</dt>\r
+<dt class="hdlist1">\r
+--cntid=<cntid>\r
+</dt>\r
+<dd>\r
+<p>\r
+ Retrieve the identify list structure starting with the given controller id.\r
+</p>\r
+</dd>\r
+</dl></div>\r
+</div>\r
+</div>\r
+<div class="sect1">\r
+<h2 id="_examples">EXAMPLES</h2>\r
+<div class="sectionbody">\r
+<div class="paragraph"><p>No examples yet.</p></div>\r
+</div>\r
+</div>\r
+<div class="sect1">\r
+<h2 id="_nvme">NVME</h2>\r
+<div class="sectionbody">\r
+<div class="paragraph"><p>Part of the nvme-user suite</p></div>\r
+</div>\r
+</div>\r
+</div>\r
+<div id="footnotes"><hr /></div>\r
+<div id="footer">\r
+<div id="footer-text">\r
+Last updated 2015-06-08 11:09:39 MDT\r
+</div>\r
+</div>\r
+</body>\r
+</html>\r
#include "src/argconfig.h"
#include "src/suffix.h"
+#define min(x, y) (x) > (y) ? (y) : (x)
+
static int fd;
static struct stat nvme_stat;
static const char *devicename;
ENTRY(ID_CTRL, "id-ctrl", "Send NVMe Identify Controller", id_ctrl) \
ENTRY(ID_NS, "id-ns", "Send NVMe Identify Namespace, display structure", id_ns) \
ENTRY(LIST_NS, "list-ns", "Send NVMe Identify List, display structure", list_ns) \
+ ENTRY(LIST_CTRL, "list-ctrl", "Send NVMe Identify Controller List, display structure", list_ctrl) \
ENTRY(GET_NS_ID, "get-ns-id", "Retrieve the namespace ID of opened block device", get_ns_id) \
ENTRY(GET_LOG, "get-log", "Generic NVMe get log, returns log in raw format", get_log) \
ENTRY(GET_FW_LOG, "fw-log", "Retrieve FW Log, show it", get_fw_log) \
}
}
-static int identify(int namespace, void *ptr, int cns)
+static int identify(int namespace, void *ptr, __u32 cns)
{
struct nvme_admin_cmd cmd;
}
}
+static int list_ctrl(int argc, char **argv)
+{
+ int err, i;
+ struct nvme_controller_list *cntlist;
+
+ struct config {
+ __u16 cntid;
+ };
+ struct config cfg;
+
+ const struct config defaults = {
+ .cntid = 0,
+ };
+
+ const struct argconfig_commandline_options command_line_options[] = {
+ {"cntid", "NUM", CFG_POSITIVE, &defaults.cntid, required_argument, NULL},
+ {"c", "NUM", CFG_POSITIVE, &defaults.cntid, required_argument, NULL},
+ {0}
+ };
+ argconfig_parse(argc, argv, "list_ctrl", command_line_options,
+ &defaults, &cfg, sizeof(cfg));
+ get_dev(1, argc, argv);
+
+ if (posix_memalign((void *)&cntlist, getpagesize(), 0x1000))
+ return ENOMEM;
+
+ err = identify(0, cntlist, defaults.cntid << 16 | 0x13);
+ if (!err) {
+ for (i = 0; i < (min(cntlist->num, 2048)); i++)
+ printf("[%4u]:%#x\n", i, cntlist->identifier[i]);
+ }
+ else if (err > 0)
+ fprintf(stderr, "NVMe Status:%s(%x) cntid:%d\n",
+ nvme_status_to_string(err), err, defaults.cntid);
+ return err;
+}
+
static int list_ns(int argc, char **argv)
{
int err, i;
return err;
}
-static char * nvme_char_from_block(char *block)
+static char *nvme_char_from_block(char *block)
{
char slen[16];
unsigned len;
return err;
}
-#define min(x, y) x > y ? y : x;
static int fw_download(int argc, char **argv)
{
int err, fw_fd = -1;
printf("cdw15 : %08x\n", cmd.cdw15);
printf("timeout_ms : %08x\n", cmd.timeout_ms);
if (cfg.dry_run)
- return 0;
+ return 0;
}
err = ioctl(fd, ioctl_cmd, &cmd);
if (err >= 0) {
projects / users / sagi / nvme-cli.git / commitdiff