Date: Thu, 1 Feb 2018 19:40:51 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r328721 - stable/11/sbin/nvmecontrol Message-ID: <201802011940.w11JepKd026654@repo.freebsd.org>
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Author: mav Date: Thu Feb 1 19:40:51 2018 New Revision: 328721 URL: https://svnweb.freebsd.org/changeset/base/328721 Log: MFC r313258 (by imp): Add the ability to dump log pages directly in binary to stdout. Update man page to include this flag, and an example of dumping a vendor-specific page while I'm here. Modified: stable/11/sbin/nvmecontrol/logpage.c stable/11/sbin/nvmecontrol/nvmecontrol.8 Directory Properties: stable/11/ (props changed) Modified: stable/11/sbin/nvmecontrol/logpage.c ============================================================================== --- stable/11/sbin/nvmecontrol/logpage.c Thu Feb 1 19:39:33 2018 (r328720) +++ stable/11/sbin/nvmecontrol/logpage.c Thu Feb 1 19:40:51 2018 (r328721) @@ -74,6 +74,12 @@ kv_lookup(const struct kv_name *kv, size_t kv_count, u return bad; } +static void +print_bin(void *data, uint32_t length) +{ + write(STDOUT_FILENO, data, length); +} + /* * 128-bit integer augments to standard values. On i386 this * doesn't exist, so we use 64-bit values. The 128-bit counters @@ -872,7 +878,7 @@ logpage(int argc, char *argv[]) { int fd, nsid; int log_page = 0, pageflag = false; - int hexflag = false, ns_specified; + int binflag = false, hexflag = false, ns_specified; char ch, *p; char cname[64]; uint32_t size; @@ -882,8 +888,11 @@ logpage(int argc, char *argv[]) struct nvme_controller_data cdata; print_fn_t print_fn; - while ((ch = getopt(argc, argv, "p:xv:")) != -1) { + while ((ch = getopt(argc, argv, "bp:xv:")) != -1) { switch (ch) { + case 'b': + binflag = true; + break; case 'p': /* TODO: Add human-readable ASCII page IDs */ log_page = strtol(optarg, &p, 0); @@ -942,7 +951,9 @@ logpage(int argc, char *argv[]) print_fn = print_hex; size = DEFAULT_SIZE; - if (!hexflag) { + if (binflag) + print_fn = print_bin; + if (!binflag && !hexflag) { /* * See if there is a pretty print function for the specified log * page. If one isn't found, we just revert to the default Modified: stable/11/sbin/nvmecontrol/nvmecontrol.8 ============================================================================== --- stable/11/sbin/nvmecontrol/nvmecontrol.8 Thu Feb 1 19:39:33 2018 (r328720) +++ stable/11/sbin/nvmecontrol/nvmecontrol.8 Thu Feb 1 19:40:51 2018 (r328721) @@ -33,7 +33,7 @@ .\" .\" $FreeBSD$ .\" -.Dd March 26, 2013 +.Dd February 4, 2017 .Dt NVMECONTROL 8 .Os .Sh NAME @@ -63,6 +63,7 @@ .Aq Fl p Ar page_id .Op Fl x .Op Fl v Ar vendor-string +.Op Fl b .Aq device id .Aq namespace id .Nm @@ -147,9 +148,20 @@ Display a human-readable summary of the nvme0 controll Log pages defined by the NVMe specification include Error Information Log (ID=1), SMART/Health Information Log (ID=2), and Firmware Slot Log (ID=3). .Pp +.Dl nvmecontrol logpage -p 0xc1 -v wdc nvme0 +.Pp +Display a human-readable summary of the nvme0's wdc-specific advanced +SMART data. +.Pp .Dl nvmecontrol logpage -p 1 -x nvme0 .Pp Display a hexadecimal dump of the nvme0 controller's Error Information Log. +.Pp +.Dl nvmecontrol logpage -p 0xcb -b nvme0 > /tmp/page-cb.bin +.Pp +Print the contents of vendor specific page 0xcb as binary data on +standard out. +Redirect it to a temporary file. .Pp .Dl nvmecontrol firmware -s 2 -f /tmp/nvme_firmware nvme0 .Pp
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