Adding firmware output of firmware information when ndctl list -D -F is used.
Components displayed are current firmware version, next firmware version,
and if a powercycle is required (firmware updated).

Signed-off-by: Dave Jiang <[email protected]>
Tested-by: Jeff Moyer <[email protected]>
---
 Documentation/ndctl/ndctl-list.txt |   13 +++++
 ndctl/Makefile.am                  |    1 
 ndctl/lib/firmware.c               |    2 -
 ndctl/lib/intel.c                  |   12 ++++-
 ndctl/lib/libndctl.sym             |    2 -
 ndctl/lib/private.h                |    2 -
 ndctl/libndctl.h                   |    2 -
 ndctl/list.c                       |   13 +++++
 ndctl/util/json-firmware.c         |   91 ++++++++++++++++++++++++++++++++++++
 util/json.h                        |    2 +
 10 files changed, 134 insertions(+), 6 deletions(-)
 create mode 100644 ndctl/util/json-firmware.c

diff --git a/Documentation/ndctl/ndctl-list.txt 
b/Documentation/ndctl/ndctl-list.txt
index fc07a71..02d4f04 100644
--- a/Documentation/ndctl/ndctl-list.txt
+++ b/Documentation/ndctl/ndctl-list.txt
@@ -110,6 +110,19 @@ include::xable-region-options.txt[]
   }
 }
 
+-F::
+--firmware::
+       Include dimm firmware info in the listing. For example:
+[verse]
+{
+  "dev":"nmem0",
+  "firmware":{
+      "current_version":0,
+      "next_version":1,
+      "need_powercycle":true
+  }
+}
+
 -X::
 --device-dax::
        Include device-dax ("daxregion") details when a namespace is in
diff --git a/ndctl/Makefile.am b/ndctl/Makefile.am
index 2054c1a..e0db97b 100644
--- a/ndctl/Makefile.am
+++ b/ndctl/Makefile.am
@@ -13,6 +13,7 @@ ndctl_SOURCES = ndctl.c \
                test.c \
                ../util/json.c \
                util/json-smart.c \
+               util/json-firmware.c \
                inject-error.c \
                update.c \
                inject-smart.c
diff --git a/ndctl/lib/firmware.c b/ndctl/lib/firmware.c
index 1851018..f6deec5 100644
--- a/ndctl/lib/firmware.c
+++ b/ndctl/lib/firmware.c
@@ -93,7 +93,7 @@ firmware_cmd_op(fw_info_get_max_send_len, unsigned int, 0)
 firmware_cmd_op(fw_info_get_query_interval, unsigned int, 0)
 firmware_cmd_op(fw_info_get_max_query_time, unsigned int, 0)
 firmware_cmd_op(fw_info_get_run_version, unsigned long long, 0)
-firmware_cmd_op(fw_info_get_updated_version, unsigned long long, 0)
+firmware_cmd_op(fw_info_get_next_version, unsigned long long, 0)
 firmware_cmd_op(fw_start_get_context, unsigned int, 0)
 firmware_cmd_op(fw_fquery_get_fw_rev, unsigned long long, 0)
 
diff --git a/ndctl/lib/intel.c b/ndctl/lib/intel.c
index 8daf5d2..c5661ed 100644
--- a/ndctl/lib/intel.c
+++ b/ndctl/lib/intel.c
@@ -433,7 +433,15 @@ intel_fw_info_get_field32(cmd, max_send_len)
 intel_fw_info_get_field32(cmd, query_interval)
 intel_fw_info_get_field32(cmd, max_query_time);
 intel_fw_info_get_field64(cmd, run_version);
-intel_fw_info_get_field64(cmd, updated_version);
+
+static unsigned long long intel_cmd_fw_info_get_next_version(
+               struct ndctl_cmd *cmd)
+{
+       if (intel_fw_get_info_valid(cmd) < 0)
+               return ULLONG_MAX;
+       return cmd->intel->info.updated_version;
+
+}
 
 static struct ndctl_cmd *intel_dimm_cmd_new_fw_start(struct ndctl_dimm *dimm)
 {
@@ -669,7 +677,7 @@ struct ndctl_dimm_ops * const intel_dimm_ops = &(struct 
ndctl_dimm_ops) {
        .fw_info_get_query_interval = intel_cmd_fw_info_get_query_interval,
        .fw_info_get_max_query_time = intel_cmd_fw_info_get_max_query_time,
        .fw_info_get_run_version = intel_cmd_fw_info_get_run_version,
-       .fw_info_get_updated_version = intel_cmd_fw_info_get_updated_version,
+       .fw_info_get_next_version = intel_cmd_fw_info_get_next_version,
        .new_fw_start_update = intel_dimm_cmd_new_fw_start,
        .fw_start_get_context = intel_cmd_fw_start_get_context,
        .new_fw_send = intel_dimm_cmd_new_fw_send,
diff --git a/ndctl/lib/libndctl.sym b/ndctl/lib/libndctl.sym
index e7f9675..ac1e7cb 100644
--- a/ndctl/lib/libndctl.sym
+++ b/ndctl/lib/libndctl.sym
@@ -339,7 +339,7 @@ global:
        ndctl_cmd_fw_info_get_query_interval;
        ndctl_cmd_fw_info_get_max_query_time;
        ndctl_cmd_fw_info_get_run_version;
-       ndctl_cmd_fw_info_get_updated_version;
+       ndctl_cmd_fw_info_get_next_version;
        ndctl_cmd_fw_start_get_context;
        ndctl_cmd_fw_fquery_get_fw_rev;
        ndctl_cmd_fw_xlat_firmware_status;
diff --git a/ndctl/lib/private.h b/ndctl/lib/private.h
index b9e3c1d..15e983a 100644
--- a/ndctl/lib/private.h
+++ b/ndctl/lib/private.h
@@ -314,7 +314,7 @@ struct ndctl_dimm_ops {
        unsigned int (*fw_info_get_query_interval)(struct ndctl_cmd *);
        unsigned int (*fw_info_get_max_query_time)(struct ndctl_cmd *);
        unsigned long long (*fw_info_get_run_version)(struct ndctl_cmd *);
-       unsigned long long (*fw_info_get_updated_version)(struct ndctl_cmd *);
+       unsigned long long (*fw_info_get_next_version)(struct ndctl_cmd *);
        struct ndctl_cmd *(*new_fw_start_update)(struct ndctl_dimm *);
        unsigned int (*fw_start_get_context)(struct ndctl_cmd *);
        struct ndctl_cmd *(*new_fw_send)(struct ndctl_cmd *,
diff --git a/ndctl/libndctl.h b/ndctl/libndctl.h
index 6091ff3..e9a8110 100644
--- a/ndctl/libndctl.h
+++ b/ndctl/libndctl.h
@@ -620,7 +620,7 @@ unsigned int ndctl_cmd_fw_info_get_max_send_len(struct 
ndctl_cmd *cmd);
 unsigned int ndctl_cmd_fw_info_get_query_interval(struct ndctl_cmd *cmd);
 unsigned int ndctl_cmd_fw_info_get_max_query_time(struct ndctl_cmd *cmd);
 unsigned long long ndctl_cmd_fw_info_get_run_version(struct ndctl_cmd *cmd);
-unsigned long long ndctl_cmd_fw_info_get_updated_version(struct ndctl_cmd 
*cmd);
+unsigned long long ndctl_cmd_fw_info_get_next_version(struct ndctl_cmd *cmd);
 unsigned int ndctl_cmd_fw_start_get_context(struct ndctl_cmd *cmd);
 unsigned long long ndctl_cmd_fw_fquery_get_fw_rev(struct ndctl_cmd *cmd);
 enum ND_FW_STATUS ndctl_cmd_fw_xlat_firmware_status(struct ndctl_cmd *cmd);
diff --git a/ndctl/list.c b/ndctl/list.c
index 37a224a..8bb9920 100644
--- a/ndctl/list.c
+++ b/ndctl/list.c
@@ -35,6 +35,7 @@ static struct {
        bool dax;
        bool media_errors;
        bool human;
+       bool firmware;
 } list;
 
 static unsigned long listopts_to_flags(void)
@@ -277,6 +278,7 @@ int cmd_list(int argc, const char **argv, void *ctx)
                                "filter by region-type"),
                OPT_BOOLEAN('B', "buses", &list.buses, "include bus info"),
                OPT_BOOLEAN('D', "dimms", &list.dimms, "include dimm info"),
+               OPT_BOOLEAN('F', "firmware", &list.firmware, "include firmware 
info"),
                OPT_BOOLEAN('H', "health", &list.health, "include dimm health"),
                OPT_BOOLEAN('R', "regions", &list.regions,
                                "include region info"),
@@ -420,6 +422,17 @@ int cmd_list(int argc, const char **argv, void *ctx)
                                }
                        }
 
+                       if (list.firmware) {
+                               struct json_object *jfirmware;
+
+                               jfirmware = util_dimm_firmware_to_json(dimm,
+                                               listopts_to_flags());
+                               if (jfirmware)
+                                       json_object_object_add(jdimm,
+                                                       "firmware",
+                                                       jfirmware);
+                       }
+
                        /*
                         * Without a bus we are collecting dimms anonymously
                         * across the platform.
diff --git a/ndctl/util/json-firmware.c b/ndctl/util/json-firmware.c
new file mode 100644
index 0000000..f7aefe4
--- /dev/null
+++ b/ndctl/util/json-firmware.c
@@ -0,0 +1,91 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2018 Intel Corporation. All rights reserved. */
+#include <limits.h>
+#include <util/json.h>
+#include <uuid/uuid.h>
+#include <json-c/json.h>
+#include <ndctl/libndctl.h>
+#include <ccan/array_size/array_size.h>
+#include <ndctl.h>
+
+struct json_object *util_dimm_firmware_to_json(struct ndctl_dimm *dimm,
+               unsigned long flags)
+{
+       struct json_object *jfirmware = json_object_new_object();
+       struct json_object *jobj;
+       struct ndctl_cmd *cmd;
+       int rc;
+       uint64_t run, next;
+       bool reboot = false;
+
+       if (!jfirmware)
+               return NULL;
+
+       cmd = ndctl_dimm_cmd_new_fw_get_info(dimm);
+       if (!cmd)
+               goto err;
+
+       rc = ndctl_cmd_submit(cmd);
+       if (rc || ndctl_cmd_fw_xlat_firmware_status(cmd) != FW_SUCCESS) {
+               int run_err = -1;
+
+               jobj = util_json_object_hex(run_err, flags);
+               if (jobj)
+                       json_object_object_add(jfirmware, "current_version",
+                                       jobj);
+               goto out;
+       }
+
+       run = ndctl_cmd_fw_info_get_run_version(cmd);
+       if (run == ULLONG_MAX) {
+               int run_err = -1;
+
+               jobj = util_json_object_hex(run_err, flags);
+               if (jobj)
+                       json_object_object_add(jfirmware, "current_version",
+                                       jobj);
+               goto out;
+       }
+
+       jobj = util_json_object_hex(run, flags);
+       if (jobj)
+               json_object_object_add(jfirmware, "current_version", jobj);
+
+       next = ndctl_cmd_fw_info_get_next_version(cmd);
+       if (next == ULLONG_MAX) {
+               int next_err = -1;
+
+               jobj = util_json_object_hex(next_err, flags);
+               if (jobj)
+                       json_object_object_add(jfirmware, "next_version",
+                                       jobj);
+               goto out;
+       }
+
+       if (next != 0) {
+               reboot = true;
+               jobj = util_json_object_hex(next, flags);
+               if (jobj)
+                       json_object_object_add(jfirmware,
+                                       "next_version", jobj);
+       }
+
+       if (reboot) {
+               jobj = json_object_new_boolean(reboot);
+               if (jobj)
+                       json_object_object_add(jfirmware,
+                                       "need_powercycle", jobj);
+       }
+
+       ndctl_cmd_unref(cmd);
+       return jfirmware;
+
+err:
+       json_object_put(jfirmware);
+       jfirmware = NULL;
+out:
+       if (cmd)
+               ndctl_cmd_unref(cmd);
+       return jfirmware;
+}
+
diff --git a/util/json.h b/util/json.h
index 9663475..c5d1603 100644
--- a/util/json.h
+++ b/util/json.h
@@ -52,4 +52,6 @@ struct json_object *util_json_object_size(unsigned long long 
size,
 struct json_object *util_json_object_hex(unsigned long long val,
                unsigned long flags);
 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);
 #endif /* __NDCTL_JSON_H__ */

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