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openSUSE:Step:15-SP4
ndctl.15916
ndctl-list-Introduce-region-capability-objects....
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File ndctl-list-Introduce-region-capability-objects.patch of Package ndctl.15916
From da2820a80483791498b50bd5b5932076b7c17b1a Mon Sep 17 00:00:00 2001 From: Dan Williams <dan.j.williams@intel.com> Date: Wed, 6 Mar 2019 23:19:45 -0800 Subject: [PATCH] ndctl/list: Introduce region capability objects Patch-mainline: v65 Git-commit: da2820a80483791498b50bd5b5932076b7c17b1a For common capabilities that a region can create provide a json object of the following form: "capabilities":[ { "mode":"sector", "sector_sizes":[ 512, 520, 528, 4096, 4104, 4160, 4224 ] }, { "mode":"fsdax", "alignments":[ 4096, 2097152, 1073741824 ] }, { "mode":"devdax", "alignments":[ 4096, 2097152, 1073741824 ] } ] This replaces the "supported_alignments" and "supported sector sizes" fields which ended up being too repetitive at the namespace level. Cc: Oliver O'Halloran <oohall@gmail.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Vishal Verma <vishal.l.verma@intel.com> --- Documentation/ndctl/ndctl-list.txt | 9 ++- ndctl/list.c | 12 ++++ util/json.c | 89 ++++++++++++++++++++++++------ util/json.h | 2 + 4 files changed, 93 insertions(+), 19 deletions(-) diff --git a/Documentation/ndctl/ndctl-list.txt b/Documentation/ndctl/ndctl-list.txt index bdd69add9f22..80ad6100060f 100644 --- a/Documentation/ndctl/ndctl-list.txt +++ b/Documentation/ndctl/ndctl-list.txt @@ -175,6 +175,12 @@ include::xable-region-options.txt[] --idle:: Include idle (not enabled) devices in the listing +-C:: +--capabilities:: + Include region capabilities in the listing, i.e. supported + namespace modes and variable properties like sector sizes and + alignments. + -M:: --media-errors:: Include media errors (badblocks) in the listing. Note that the @@ -222,7 +228,8 @@ include::xable-region-options.txt[] Everything '-v' provides, plus automatically enable --dimms, --buses, and --regions. + - *-vvv* - Everything '-vv' provides, plus --health, --idle, and --firmware. + Everything '-vv' provides, plus --health, --capabilities, + --idle, and --firmware. include::human-option.txt[] diff --git a/ndctl/list.c b/ndctl/list.c index 506404db11b0..1c3e34d58ddb 100644 --- a/ndctl/list.c +++ b/ndctl/list.c @@ -36,6 +36,7 @@ static struct { bool media_errors; bool human; bool firmware; + bool capabilities; int verbose; } list; @@ -53,6 +54,8 @@ static unsigned long listopts_to_flags(void) flags |= UTIL_JSON_HUMAN; if (list.verbose) flags |= UTIL_JSON_VERBOSE; + if (list.capabilities) + flags |= UTIL_JSON_CAPABILITIES; return flags; } @@ -186,6 +189,12 @@ static struct json_object *region_to_json(struct ndctl_region *region, if ((flags & UTIL_JSON_MEDIA_ERRORS) && jbbs) json_object_object_add(jregion, "badblocks", jbbs); + if (flags & UTIL_JSON_CAPABILITIES) { + jobj = util_region_capabilities_to_json(region); + if (jobj) + json_object_object_add(jregion, "capabilities", jobj); + } + pd = ndctl_region_get_persistence_domain(region); switch (pd) { case PERSISTENCE_CPU_CACHE: @@ -450,6 +459,8 @@ int cmd_list(int argc, const char **argv, struct ndctl_ctx *ctx) "include namespace info (default)"), OPT_BOOLEAN('X', "device-dax", &list.dax, "include device-dax info"), + OPT_BOOLEAN('C', "capabilities", &list.capabilities, + "include region capability info"), OPT_BOOLEAN('i', "idle", &list.idle, "include idle devices"), OPT_BOOLEAN('M', "media-errors", &list.media_errors, "include media errors"), @@ -487,6 +498,7 @@ int cmd_list(int argc, const char **argv, struct ndctl_ctx *ctx) list.idle = true; list.firmware = true; list.health = true; + list.capabilities = true; case 2: list.dimms = true; list.buses = true; diff --git a/util/json.c b/util/json.c index c732f1b77522..babdc8c47565 100644 --- a/util/json.c +++ b/util/json.c @@ -321,7 +321,7 @@ struct json_object *util_daxctl_devs_to_list(struct daxctl_region *region, } #define _SZ(get_max, get_elem, type) \ -static struct json_object *type##_build_size_array(struct type *arg) \ +static struct json_object *util_##type##_build_size_array(struct ndctl_##type *arg) \ { \ struct json_object *arr = json_object_new_array(); \ int i; \ @@ -346,11 +346,78 @@ err: \ return NULL; \ } #define SZ(type, kind) _SZ(ndctl_##type##_get_num_##kind##s, \ - ndctl_##type##_get_supported_##kind, ndctl_##type) + ndctl_##type##_get_supported_##kind, type) SZ(pfn, alignment) SZ(dax, alignment) SZ(btt, sector_size) -//SZ(namespace, sector_size) + +struct json_object *util_region_capabilities_to_json(struct ndctl_region *region) +{ + struct json_object *jcaps, *jcap, *jobj; + struct ndctl_btt *btt = ndctl_region_get_btt_seed(region); + struct ndctl_pfn *pfn = ndctl_region_get_pfn_seed(region); + struct ndctl_dax *dax = ndctl_region_get_dax_seed(region); + + if (!btt || !pfn || !dax) + return NULL; + + jcaps = json_object_new_array(); + if (!jcaps) + return NULL; + + if (btt) { + jcap = json_object_new_object(); + if (!jcap) + goto err; + json_object_array_add(jcaps, jcap); + + jobj = json_object_new_string("sector"); + if (!jobj) + goto err; + json_object_object_add(jcap, "mode", jobj); + jobj = util_btt_build_size_array(btt); + if (!jobj) + goto err; + json_object_object_add(jcap, "sector_sizes", jobj); + } + + if (pfn) { + jcap = json_object_new_object(); + if (!jcap) + goto err; + json_object_array_add(jcaps, jcap); + + jobj = json_object_new_string("fsdax"); + if (!jobj) + goto err; + json_object_object_add(jcap, "mode", jobj); + jobj = util_pfn_build_size_array(pfn); + if (!jobj) + goto err; + json_object_object_add(jcap, "alignments", jobj); + } + + if (dax) { + jcap = json_object_new_object(); + if (!jcap) + goto err; + json_object_array_add(jcaps, jcap); + + jobj = json_object_new_string("devdax"); + if (!jobj) + goto err; + json_object_object_add(jcap, "mode", jobj); + jobj = util_dax_build_size_array(dax); + if (!jobj) + goto err; + json_object_object_add(jcap, "alignments", jobj); + } + + return jcaps; +err: + json_object_put(jcaps); + return NULL; +} struct json_object *util_daxctl_region_to_json(struct daxctl_region *region, const char *ident, unsigned long flags) @@ -788,7 +855,7 @@ struct json_object *util_namespace_to_json(struct ndctl_namespace *ndns, { struct json_object *jndns = json_object_new_object(); enum ndctl_pfn_loc loc = NDCTL_PFN_LOC_NONE; - struct json_object *jobj, *jbbs = NULL, *size_array = NULL; + struct json_object *jobj, *jbbs = NULL; const char *locations[] = { [NDCTL_PFN_LOC_NONE] = "none", [NDCTL_PFN_LOC_RAM] = "mem", @@ -798,7 +865,6 @@ struct json_object *util_namespace_to_json(struct ndctl_namespace *ndns, unsigned int sector_size = UINT_MAX; enum ndctl_namespace_mode mode; const char *bdev = NULL, *name; - const char *size_array_name; unsigned int bb_count = 0; struct ndctl_btt *btt; struct ndctl_pfn *pfn; @@ -986,19 +1052,6 @@ struct json_object *util_namespace_to_json(struct ndctl_namespace *ndns, json_object_object_add(jndns, "numa_node", jobj); } - if (pfn) { - size_array_name = "supported_alignments"; - size_array = ndctl_pfn_build_size_array(pfn); - } else if (dax) { - size_array_name = "supported_alignments"; - size_array = ndctl_dax_build_size_array(dax); - } else if (btt) { - size_array_name = "supported sector sizes"; - size_array = ndctl_btt_build_size_array(btt); - } - if (size_array && flags & UTIL_JSON_VERBOSE) - json_object_object_add(jndns, size_array_name, size_array); - if (pfn) jbbs = util_pfn_badblocks_to_json(pfn, &bb_count, flags); else if (dax) diff --git a/util/json.h b/util/json.h index e292973dbbbf..7c3f64932cec 100644 --- a/util/json.h +++ b/util/json.h @@ -24,6 +24,7 @@ enum util_json_flags { UTIL_JSON_DAX_DEVS = (1 << 3), UTIL_JSON_HUMAN = (1 << 4), UTIL_JSON_VERBOSE = (1 << 5), + UTIL_JSON_CAPABILITIES = (1 << 6), }; struct json_object; @@ -56,4 +57,5 @@ struct json_object *util_json_object_hex(unsigned long long val, struct json_object *util_dimm_health_to_json(struct ndctl_dimm *dimm); struct json_object *util_dimm_firmware_to_json(struct ndctl_dimm *dimm, unsigned long flags); +struct json_object *util_region_capabilities_to_json(struct ndctl_region *region); #endif /* __NDCTL_JSON_H__ */ -- 2.22.0
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