[igt-dev] [PATCH i-g-t 2/4] lib/igt_device_scan: Make igt_device_scan independent from igt_core

[Arkadiusz Hiler <arkadiusz.hiler@intel.com>]

From: Ayaz A Siddiqui <ayaz.siddiqui@intel.com>

igt_device_scan can now be used as a separate library which only depends
glib and libudev - some IGT internals are being stubbed in this case.

Signed-off-by: Ayaz A Siddiqui <ayaz.siddiqui@intel.com>
Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
---
 lib/Makefile.am       |  8 ++++++-
 lib/drmtest.c         |  1 +
 lib/igt_device_scan.c |  6 ++---
 lib/igt_device_scan.h |  8 ++++++-
 lib/igt_tools_stub.c  | 51 +++++++++++++++++++++++++++++++++++++++++++
 lib/meson.build       | 15 +++++++++++++
 6 files changed, 83 insertions(+), 6 deletions(-)
 create mode 100644 lib/igt_tools_stub.c

diff --git a/lib/Makefile.am b/lib/Makefile.am
index fba7fcab..e9753d3c 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -102,6 +102,12 @@ include Makefile.sources
 
 libintel_tools_la_SOURCES = $(lib_source_list)
 
+libigt_device_scan_la_SOURCES = \
+	igt_list.c		\
+	igt_tools_stub.c	\
+	igt_device_scan.c	\
+	igt_device_scan.h
+
 libigt_perf_la_SOURCES = \
 	igt_perf.c	 \
 	igt_perf.h
@@ -121,7 +127,7 @@ pkgconfig_DATA = i915-perf.pc
 
 lib_LTLIBRARIES = libi915_perf.la
 
-noinst_LTLIBRARIES = libintel_tools.la libigt_perf.la
+noinst_LTLIBRARIES = libintel_tools.la libigt_perf.la libigt_device_scan.la
 noinst_HEADERS = check-ndebug.h
 
 if !HAVE_LIBDRM_INTEL
diff --git a/lib/drmtest.c b/lib/drmtest.c
index 70fd64c9..bced1453 100644
--- a/lib/drmtest.c
+++ b/lib/drmtest.c
@@ -53,6 +53,7 @@
 #include "intel_io.h"
 #include "igt_debugfs.h"
 #include "igt_device.h"
+#include "igt_params.h"
 #include "igt_gt.h"
 #include "igt_kmod.h"
 #include "igt_sysfs.h"
diff --git a/lib/igt_device_scan.c b/lib/igt_device_scan.c
index 7b0fc00e..be854b01 100644
--- a/lib/igt_device_scan.c
+++ b/lib/igt_device_scan.c
@@ -22,11 +22,8 @@
  *
  */
 
-#include "igt.h"
-#include "igt_list.h"
-#include "igt_sysfs.h"
-#include "igt_device.h"
 #include "igt_device_scan.h"
+#include "igt_list.h"
 #include <glib.h>
 #include <libudev.h>
 #include <linux/limits.h>
@@ -34,6 +31,7 @@
 #include <sys/types.h>
 #include <dirent.h>
 #include <fcntl.h>
+#include "igt_core.h"
 
 /**
  * SECTION:igt_device_scan
diff --git a/lib/igt_device_scan.h b/lib/igt_device_scan.h
index 24eafe62..ad632145 100644
--- a/lib/igt_device_scan.h
+++ b/lib/igt_device_scan.h
@@ -26,7 +26,13 @@
 #define __IGT_DEVICE_SCAN_H__
 
 #include <limits.h>
-#include <igt.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <errno.h>
 
 enum igt_devices_print_type {
 	IGT_PRINT_SIMPLE,
diff --git a/lib/igt_tools_stub.c b/lib/igt_tools_stub.c
new file mode 100644
index 00000000..9a0ec621
--- /dev/null
+++ b/lib/igt_tools_stub.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright © 2020 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ */
+#include "igt_core.h"
+
+/* Stub for igt_log, this stub will simply print the msg on stderr device.
+ * Domain and log level are ignored.
+ */
+
+void igt_log(const char *domain, enum igt_log_level level, const char *format, ...)
+{
+	va_list args;
+
+	va_start(args, format);
+	vfprintf(stderr, format, args);
+	va_end(args);
+}
+
+
+/* Stub for __igt_fail_assert, this stub will simply print the msg on stderr device and
+ * exit the application, domain and log level are ignored.
+ */
+
+void __igt_fail_assert(const char *domain, const char *file,
+		       const int line, const char *func, const char *assertion,
+		       const char *format, ...)
+{
+	fprintf(stderr, "%s: %d %s Failed assertion: %s\n", file, line,
+		func, assertion);
+	exit(1);
+}
diff --git a/lib/meson.build b/lib/meson.build
index 99aee6ee..6cf78663 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -172,6 +172,21 @@ lib_igt_perf_build = static_library('igt_perf',
 lib_igt_perf = declare_dependency(link_with : lib_igt_perf_build,
 				  include_directories : inc)
 
+scan_dep = [
+	glib,
+	libudev,
+]
+
+lib_igt_device_scan_build = static_library('igt_device_scan',
+	['igt_device_scan.c',
+	'igt_list.c',
+	'igt_tools_stub.c',
+	],
+	dependencies : scan_dep,
+	include_directories : inc)
+
+lib_igt_device_scan = declare_dependency(link_with : lib_igt_device_scan_build,
+				  include_directories : inc)
 
 i915_perf_files = [
   'igt_list.c',
-- 
2.25.4

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