nvme: add ave-discovery-log command

Since added the NVMe 2.1 log page.

Signed-off-by: Tokunori Ikegami <[email protected]>

nvme-builtin.h

@@ -65,6 +65,7 @@ COMMAND_LIST(
 	ENTRY("reachability-groups-log", "Retrieve Reachability Groups Log, show it", get_reachability_groups_log)
 	ENTRY("reachability-associations-log", "Retrieve Reachability Associations Log, show it", get_reachability_associations_log)
 	ENTRY("host-discovery-log", "Retrieve Host Discovery Log, show it", get_host_discovery_log)
+	ENTRY("ave-discovery-log", "Retrieve AVE Discovery Log, show it", get_ave_discovery_log)
 	ENTRY("set-feature", "Set a feature and show the resulting value", set_feature)
 	ENTRY("set-property", "Set a property and show the resulting value", set_property)
 	ENTRY("get-property", "Get a property and show the resulting value", get_property)

nvme-print-binary.c

@@ -337,6 +337,11 @@ static void binary_host_discovery_log(struct nvme_host_discover_log *log)
 	d_raw((unsigned char *)log, le32_to_cpu(log->thdlpl));
 }
 
+static void binary_ave_discovery_log(struct nvme_ave_discover_log *log)
+{
+	d_raw((unsigned char *)log, le32_to_cpu(log->tadlpl));
+}
+
 static struct print_ops binary_print_ops = {
 	/* libnvme types.h print functions */
 	.ana_log			= binary_ana_log,
@@ -409,6 +414,7 @@ static struct print_ops binary_print_ops = {
 	.reachability_groups_log	= binary_reachability_groups_log,
 	.reachability_associations_log	= binary_reachability_associations_log,
 	.host_discovery_log		= binary_host_discovery_log,
+	.ave_discovery_log		= binary_ave_discovery_log,
 
 	/* libnvme tree print functions */
 	.list_item			= NULL,

nvme-print-json.c

@@ -3,7 +3,9 @@
 #include <assert.h>
 #include <errno.h>
 #include <time.h>
-
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
 #include <ccan/ccan/compiler/compiler.h>
 
 #include "nvme-print.h"
@@ -4820,6 +4822,65 @@ static void json_host_discovery_log(struct nvme_host_discover_log *log)
 	}
 }
 
+static void obj_add_traddr(struct json_object *o, const char *k, __u8 adrfam, __u8 *traddr)
+{
+	int af = AF_INET;
+	socklen_t size = INET_ADDRSTRLEN;
+	char dst[INET6_ADDRSTRLEN];
+
+	if (adrfam == NVMF_ADDR_FAMILY_IP6) {
+		af = AF_INET6;
+		size = INET6_ADDRSTRLEN;
+	}
+
+	if (inet_ntop(af, nvmf_adrfam_str(adrfam), dst, size))
+		obj_add_str(o, k, dst);
+}
+
+static void json_ave_discovery_log(struct nvme_ave_discover_log *log)
+{
+	struct json_object *r = json_create_object();
+	__u32 i;
+	__u8 j;
+	struct nvme_ave_discover_log_entry *adlpe;
+	struct nvme_ave_tr_record *atr;
+	__u32 tadlpl = le32_to_cpu(log->tadlpl);
+	__u32 tel;
+	__u8 numatr;
+	int n = 0;
+	char json_str[STR_LEN];
+	struct json_object *adlpe_o;
+	struct json_object *atr_o;
+
+	obj_add_uint64(r, "genctr", le64_to_cpu(log->genctr));
+	obj_add_uint64(r, "numrec", le64_to_cpu(log->numrec));
+	obj_add_uint(r, "recfmt", le16_to_cpu(log->recfmt));
+	obj_add_uint(r, "thdlpl", tadlpl);
+
+	for (i = sizeof(*log); i < le32_to_cpu(log->tadlpl); i += tel) {
+		adlpe_o = json_create_object();
+		adlpe = (void *)log + i;
+		tel = le32_to_cpu(adlpe->tel);
+		numatr = adlpe->numatr;
+		obj_add_uint(adlpe_o, "tel", tel);
+		obj_add_str(adlpe_o, "avenqn", adlpe->avenqn);
+		obj_add_uint(adlpe_o, "numatr", numatr);
+
+		atr = adlpe->atr;
+		for (j = 0; j < numatr; j++) {
+			atr_o = json_create_object();
+			snprintf(json_str, sizeof(json_str), "atr: %d", j);
+			obj_add_str(atr_o, "aveadrfam", nvmf_adrfam_str(atr->aveadrfam));
+			obj_add_uint(atr_o, "avetrsvcid", le16_to_cpu(atr->avetrsvcid));
+			obj_add_traddr(atr_o, "avetraddr", atr->aveadrfam, atr->avetraddr);
+			obj_add_obj(adlpe_o, json_str, atr_o);
+			atr++;
+		}
+		snprintf(json_str, sizeof(json_str), "adlpe: %d", n++);
+		obj_add_obj(r, json_str, adlpe_o);
+	}
+}
+
 static struct print_ops json_print_ops = {
 	/* libnvme types.h print functions */
 	.ana_log			= json_ana_log,
@@ -4893,6 +4954,7 @@ static struct print_ops json_print_ops = {
 	.reachability_groups_log	= json_reachability_groups_log,
 	.reachability_associations_log	= json_reachability_associations_log,
 	.host_discovery_log		= json_host_discovery_log,
+	.ave_discovery_log		= json_ave_discovery_log,
 
 	/* libnvme tree print functions */
 	.list_item			= json_list_item,

nvme-print-stdout.c

@@ -6,7 +6,9 @@
 #include <stdlib.h>
 #include <time.h>
 #include <sys/stat.h>
-
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
 #include <ccan/ccan/strset/strset.h>
 #include <ccan/ccan/htable/htable_type.h>
 #include <ccan/ccan/htable/htable.h>
@@ -5759,6 +5761,57 @@ static void stdout_host_discovery_log(struct nvme_host_discover_log *log)
 	}
 }
 
+static void print_traddr(char *field, __u8 adrfam, __u8 *traddr)
+{
+	int af = AF_INET;
+	socklen_t size = INET_ADDRSTRLEN;
+	char dst[INET6_ADDRSTRLEN];
+
+	if (adrfam == NVMF_ADDR_FAMILY_IP6) {
+		af = AF_INET6;
+		size = INET6_ADDRSTRLEN;
+	}
+
+	if (inet_ntop(af, nvmf_adrfam_str(adrfam), dst, size))
+		printf("%s: %s\n", field, dst);
+}
+
+static void stdout_ave_discovery_log(struct nvme_ave_discover_log *log)
+{
+	__u32 i;
+	__u8 j;
+	struct nvme_ave_discover_log_entry *adlpe;
+	struct nvme_ave_tr_record *atr;
+	__u32 tadlpl = le32_to_cpu(log->tadlpl);
+	__u32 tel;
+	__u8 numatr;
+	int n = 0;
+
+	printf("genctr: %"PRIu64"\n", le64_to_cpu(log->genctr));
+	printf("numrec: %"PRIu64"\n", le64_to_cpu(log->numrec));
+	printf("recfmt: %u\n", le16_to_cpu(log->recfmt));
+	printf("tadlpl: %u\n", tadlpl);
+
+	for (i = sizeof(*log); i < le32_to_cpu(log->tadlpl); i += tel) {
+		printf("adlpe: %d\n", n++);
+		adlpe = (void *)log + i;
+		tel = le32_to_cpu(adlpe->tel);
+		numatr = adlpe->numatr;
+		printf("tel: %u\n", tel);
+		printf("avenqn: %s\n", adlpe->avenqn);
+		printf("numatr: %u\n", numatr);
+
+		atr = adlpe->atr;
+		for (j = 0; j < numatr; j++) {
+			printf("atr: %d\n", j);
+			printf("aveadrfam: %s\n", nvmf_adrfam_str(atr->aveadrfam));
+			printf("avetrsvcid: %u\n", le16_to_cpu(atr->avetrsvcid));
+			print_traddr("avetraddr", atr->aveadrfam, atr->avetraddr);
+			atr++;
+		}
+	}
+}
+
 static struct print_ops stdout_print_ops = {
 	/* libnvme types.h print functions */
 	.ana_log			= stdout_ana_log,
@@ -5832,6 +5885,7 @@ static struct print_ops stdout_print_ops = {
 	.reachability_groups_log	= stdout_reachability_groups_log,
 	.reachability_associations_log	= stdout_reachability_associations_log,
 	.host_discovery_log		= stdout_host_discovery_log,
+	.ave_discovery_log		= stdout_ave_discovery_log,
 
 	/* libnvme tree print functions */
 	.list_item			= stdout_list_item,

nvme-print.c

@@ -1525,3 +1525,8 @@ void nvme_show_host_discovery_log(struct nvme_host_discover_log *log, nvme_print
 {
 	nvme_print(host_discovery_log, flags, log);
 }
+
+void nvme_show_ave_discovery_log(struct nvme_ave_discover_log *log, nvme_print_flags_t flags)
+{
+	nvme_print(ave_discovery_log, flags, log);
+}

nvme-print.h

@@ -95,6 +95,7 @@ struct print_ops {
 	void (*reachability_associations_log)(struct nvme_reachability_associations_log *log,
 					      __u64 len);
 	void (*host_discovery_log)(struct nvme_host_discover_log *log);
+	void (*ave_discovery_log)(struct nvme_ave_discover_log *log);
 
 	/* libnvme tree print functions */
 	void (*list_item)(nvme_ns_t n);
@@ -347,4 +348,5 @@ void nvme_show_reachability_groups_log(struct nvme_reachability_groups_log *log,
 void nvme_show_reachability_associations_log(struct nvme_reachability_associations_log *log,
 					     __u64 len, nvme_print_flags_t flags);
 void nvme_show_host_discovery_log(struct nvme_host_discover_log *log, nvme_print_flags_t flags);
+void nvme_show_ave_discovery_log(struct nvme_ave_discover_log *log, nvme_print_flags_t flags);
 #endif /* NVME_PRINT_H */

nvme-wrap.c

@@ -475,3 +475,9 @@ int nvme_cli_get_log_host_discovery(struct nvme_dev *dev, bool allhoste, bool ra
 {
 	return do_admin_op(get_log_host_discover, dev, allhoste, rae, len, log);
 }
+
+int nvme_cli_get_log_ave_discovery(struct nvme_dev *dev, bool rae, __u32 len,
+				   struct nvme_ave_discover_log *log)
+{
+	return do_admin_op(get_log_ave_discover, dev, rae, len, log);
+}

nvme-wrap.h

@@ -165,4 +165,7 @@ int nvme_cli_get_log_reachability_associations(struct nvme_dev *dev, bool rgo, b
 
 int nvme_cli_get_log_host_discovery(struct nvme_dev *dev, bool allhoste, bool rae, __u32 len,
 				    struct nvme_host_discover_log *log);
+
+int nvme_cli_get_log_ave_discovery(struct nvme_dev *dev, bool rae, __u32 len,
+				   struct nvme_ave_discover_log *log);
 #endif /* _NVME_WRAP_H */

nvme.c

@@ -10710,6 +10710,84 @@ static int get_host_discovery_log(int argc, char **argv, struct command *cmd, st
 	return err;
 }
 
+static int get_ave_discovery(struct nvme_dev *dev, bool rae,
+			     struct nvme_ave_discover_log **logp)
+{
+	int err;
+	struct nvme_ave_discover_log *log;
+	__u64 log_len = sizeof(*log);
+	struct nvme_get_log_args args = {
+		.args_size = sizeof(args),
+		.fd = dev_fd(dev),
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_HOST_DISCOVER,
+		.nsid = NVME_NSID_ALL,
+		.rae = rae,
+	};
+
+	log = nvme_alloc(log_len);
+	if (!log)
+		return -ENOMEM;
+
+	err = nvme_cli_get_log_ave_discovery(dev, rae, log_len, log);
+	if (err)
+		goto err_free;
+
+	log_len = le32_to_cpu(log->tadlpl);
+	err = get_log_offset(dev, &args, &log_len, le32_to_cpu(log->tadlpl) - log_len,
+			     (void **)&log);
+	if (err)
+		goto err_free;
+
+	*logp = log;
+	return 0;
+
+err_free:
+	free(log);
+	return err;
+}
+
+static int get_ave_discovery_log(int argc, char **argv, struct command *cmd, struct plugin *plugin)
+{
+	const char *desc = "Retrieve AVE Discovery Log, show it";
+	nvme_print_flags_t flags;
+	int err;
+
+	_cleanup_free_ struct nvme_ave_discover_log *log = NULL;
+
+	_cleanup_nvme_dev_ struct nvme_dev *dev = NULL;
+
+	struct config {
+		bool rae;
+	};
+
+	struct config cfg = {
+		.rae = false,
+	};
+
+	NVME_ARGS(opts, OPT_FLAG("rae", 'r', &cfg.rae, rae));
+
+	err = parse_and_open(&dev, argc, argv, desc, opts);
+	if (err)
+		return err;
+
+	err = validate_output_format(nvme_cfg.output_format, &flags);
+	if (err < 0) {
+		nvme_show_error("Invalid output format");
+		return err;
+	}
+
+	err = get_ave_discovery(dev, cfg.rae, &log);
+	if (!err)
+		nvme_show_ave_discovery_log(log, flags);
+	else if (err > 0)
+		nvme_show_status(err);
+	else
+		nvme_show_perror("ave discovery log");
+
+	return err;
+}
+
 void register_extension(struct plugin *plugin)
 {
 	plugin->parent = &nvme;