util/uuid: use libc uuid functions on freebsd

Remove libuuid usage on FreeBSD and add dedicated implementation of
spdk_uuid API using functions from the standard library.

Fixes: #2878
Change-Id: Ie49ccb2842acad6064bffd789e4f64b7365b6e5c
Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16558
Reviewed-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>

lib/util/Makefile

@@ -13,7 +13,10 @@ C_SRCS = base64.c bit_array.c cpuset.c crc16.c crc32.c crc32c.c crc32_ieee.c \
 	 dif.c fd.c file.c hexlify.c iov.c math.c pipe.c strerror_tls.c string.c uuid.c \
 	 fd_group.c xor.c zipf.c
 LIBNAME = util
+
+ifneq ($(OS),FreeBSD)
 LOCAL_SYS_LIBS = -luuid
+endif
 
 ifeq ($(CONFIG_ISAL), y)
 LOCAL_SYS_LIBS += -L$(ISAL_DIR)/.libs -lisal

lib/util/uuid.c

@@ -5,6 +5,8 @@
 
 #include "spdk/uuid.h"
 
+#ifndef __FreeBSD__
+
 #include <uuid/uuid.h>
 
 SPDK_STATIC_ASSERT(sizeof(struct spdk_uuid) == sizeof(uuid_t), "Size mismatch");
@@ -43,3 +45,61 @@ spdk_uuid_copy(struct spdk_uuid *dst, const struct spdk_uuid *src)
 {
 	uuid_copy((void *)dst, (void *)src);
 }
+
+#else
+
+#include <uuid.h>
+
+SPDK_STATIC_ASSERT(sizeof(struct spdk_uuid) == sizeof(uuid_t), "Size mismatch");
+
+int
+spdk_uuid_parse(struct spdk_uuid *uuid, const char *uuid_str)
+{
+	uint32_t status;
+
+	uuid_from_string(uuid_str, (uuid_t *)uuid, &status);
+
+	return status == 0 ? 0 : -EINVAL;
+}
+
+int
+spdk_uuid_fmt_lower(char *uuid_str, size_t uuid_str_size, const struct spdk_uuid *uuid)
+{
+	uint32_t status;
+	char *str;
+
+	if (uuid_str_size < SPDK_UUID_STRING_LEN) {
+		return -EINVAL;
+	}
+
+	uuid_to_string((const uuid_t *)uuid, &str, &status);
+
+	if (status == uuid_s_no_memory) {
+		return -ENOMEM;
+	}
+
+	snprintf(uuid_str, uuid_str_size, "%s", str);
+	free(str);
+
+	return 0;
+}
+
+int
+spdk_uuid_compare(const struct spdk_uuid *u1, const struct spdk_uuid *u2)
+{
+	return uuid_compare((const uuid_t *)u1, (const uuid_t *)u2, NULL);
+}
+
+void
+spdk_uuid_generate(struct spdk_uuid *uuid)
+{
+	uuid_create((uuid_t *)uuid, NULL);
+}
+
+void
+spdk_uuid_copy(struct spdk_uuid *dst, const struct spdk_uuid *src)
+{
+	memcpy(dst, src, sizeof(*dst));
+}
+
+#endif

mk/spdk.common.mk

@@ -338,7 +338,9 @@ CFLAGS   += $(COMMON_CFLAGS) -Wno-pointer-sign -Wstrict-prototypes -Wold-style-d
 CXXFLAGS += $(COMMON_CFLAGS) -std=c++11
 
 SYS_LIBS += -lrt
+ifneq ($(OS),FreeBSD)
 SYS_LIBS += -luuid
+endif
 SYS_LIBS += -lssl
 SYS_LIBS += -lcrypto
 SYS_LIBS += -lm

scripts/pkgdep/freebsd.sh

@@ -4,15 +4,13 @@
 #  All rights reserved.
 #
 # Minimal install
-pkg install -y gmake cunit openssl git bash misc/e2fsprogs-libuuid python \
-	ncurses ninja meson
+pkg install -y gmake cunit openssl git bash python ncurses ninja meson
 pkg install -g -y "py*-pyelftools-*" "py*-pandas"
 # Additional dependencies for ISA-L used in compression
 pkg install -y autoconf automake libtool help2man
 if [[ $INSTALL_DEV_TOOLS == "true" ]]; then
 	# Tools for developers
-	pkg install -y devel/astyle bash \
-		misc/e2fsprogs-libuuid sysutils/sg3_utils nasm \
+	pkg install -y devel/astyle bash sysutils/sg3_utils nasm \
 		bash-completion ruby devel/ruby-gems
 	pkg install -g -y "py*-pycodestyle"
 	# ruby and ruby-gems are not preinstalled on FreeBSD but are needed to

test/unit/lib/nvmf/subsystem.c/subsystem_ut.c

@@ -11,7 +11,6 @@
 
 #include "spdk/bdev_module.h"
 #include "nvmf/subsystem.c"
-#include <uuid/uuid.h>
 
 SPDK_LOG_REGISTER_COMPONENT(nvmf)
 
@@ -1593,7 +1592,7 @@ test_nvmf_valid_nqn(void)
 	struct spdk_uuid s_uuid = {};
 
 	spdk_uuid_generate(&s_uuid);
-	uuid_unparse((void *)&s_uuid, uuid);
+	spdk_uuid_fmt_lower(uuid, sizeof(uuid), &s_uuid);
 
 	/* discovery nqn */
 	snprintf(nqn, sizeof(nqn), "%s", SPDK_NVMF_DISCOVERY_NQN);
@@ -1659,13 +1658,13 @@ test_nvmf_ns_reservation_restore(void)
 
 	/* Generate and prepare uuids, make sure bdev and info uuid are the same */
 	spdk_uuid_generate(&s_uuid);
-	uuid_unparse((void *)&s_uuid, uuid);
+	spdk_uuid_fmt_lower(uuid, sizeof(uuid), &s_uuid);
 	snprintf(info.holder_uuid, SPDK_UUID_STRING_LEN, "%s", uuid);
 	snprintf(info.bdev_uuid, SPDK_UUID_STRING_LEN, "%s", uuid);
 	snprintf(info.registrants[0].host_uuid, SPDK_UUID_STRING_LEN, "%s", uuid);
 	spdk_uuid_copy(&bdev.uuid, &s_uuid);
 	spdk_uuid_generate(&s_uuid);
-	uuid_unparse((void *)&s_uuid, uuid);
+	spdk_uuid_fmt_lower(uuid, sizeof(uuid), &s_uuid);
 	snprintf(info.registrants[1].host_uuid, SPDK_UUID_STRING_LEN, "%s", uuid);
 
 	/* info->rkey not exist in registrants */
@@ -1695,7 +1694,7 @@ test_nvmf_ns_reservation_restore(void)
 
 	/* Existing bdev UUID is different with configuration */
 	spdk_uuid_generate(&s_uuid);
-	uuid_unparse((void *)&s_uuid, uuid);
+	spdk_uuid_fmt_lower(uuid, sizeof(uuid), &s_uuid);
 	snprintf(info.bdev_uuid, SPDK_UUID_STRING_LEN, "%s", uuid);
 	spdk_uuid_generate(&s_uuid);
 	spdk_uuid_copy(&bdev.uuid, &s_uuid);