meson: Add U2F key to meson

Signed-off-by: César Belley <cesar.belley@lse.epita.fr>
Message-id: 20200826114209.28821-8-cesar.belley@lse.epita.fr

[ fixes suggested by paolo ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

configure

@@ -495,6 +495,7 @@ trace_file="trace"
 spice=""
 rbd=""
 smartcard=""
+u2f="auto"
 libusb=""
 usb_redir=""
 opengl=""
@@ -1415,6 +1416,10 @@ for opt do
   ;;
   --enable-smartcard) smartcard="yes"
   ;;
+  --disable-u2f) u2f="disabled"
+  ;;
+  --enable-u2f) u2f="enabled"
+  ;;
   --disable-libusb) libusb="no"
   ;;
   --enable-libusb) libusb="yes"
@@ -1945,6 +1950,7 @@ disabled with --disable-FEATURE, default is enabled if available:
   libiscsi        iscsi support
   libnfs          nfs support
   smartcard       smartcard support (libcacard)
+  u2f             U2F support (u2f-emu)
   libusb          libusb (for usb passthrough)
   live-block-migration   Block migration in the main migration stream
   usb-redir       usb network redirection support
@@ -8229,7 +8235,7 @@ NINJA=${ninja:-$PWD/ninjatool} $meson setup \
         -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \
 	-Dsdl=$sdl -Dsdl_image=$sdl_image \
 	-Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \
-	-Dgettext=$gettext -Dxkbcommon=$xkbcommon \
+	-Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f\
         $cross_arg \
         "$PWD" "$source_path"
 

hw/usb/Kconfig

@@ -96,6 +96,11 @@ config USB_STORAGE_MTP
     default y
     depends on USB
 
+config USB_U2F
+    bool
+    default y
+    depends on USB
+
 config IMX_USBPHY
     bool
     default y

hw/usb/meson.build

@@ -50,6 +50,13 @@ if config_host.has_key('CONFIG_SMARTCARD')
   hw_usb_modules += {'smartcard': usbsmartcard_ss}
 endif
 
+# U2F
+softmmu_ss.add(when: 'CONFIG_USB_U2F', if_true: files('u2f.c'))
+softmmu_ss.add(when: ['CONFIG_LINUX', 'CONFIG_USB_U2F'], if_true: files('u2f-passthru.c'))
+if u2f.found()
+  softmmu_ss.add(when: 'CONFIG_USB_U2F', if_true: [u2f, files('u2f-emulated.c')])
+endif
+
 # usb redirect
 if config_host.has_key('CONFIG_USB_REDIR')
   usbredir_ss = ss.source_set()

meson.build

@@ -377,6 +377,12 @@ if 'CONFIG_SMARTCARD' in config_host
   cacard = declare_dependency(compile_args: config_host['SMARTCARD_CFLAGS'].split(),
                               link_args: config_host['SMARTCARD_LIBS'].split())
 endif
+u2f = not_found
+if have_system
+  u2f = dependency('u2f-emu', required: get_option('u2f'),
+                   method: 'pkg-config',
+                   static: enable_static)
+endif
 usbredir = not_found
 if 'CONFIG_USB_REDIR' in config_host
   usbredir = declare_dependency(compile_args: config_host['USB_REDIR_CFLAGS'].split(),
@@ -1375,6 +1381,7 @@ summary_info += {'spice support':     config_host.has_key('CONFIG_SPICE')}
 summary_info += {'rbd support':       config_host.has_key('CONFIG_RBD')}
 summary_info += {'xfsctl support':    config_host.has_key('CONFIG_XFS')}
 summary_info += {'smartcard support': config_host.has_key('CONFIG_SMARTCARD')}
+summary_info += {'U2F support':       u2f.found()}
 summary_info += {'libusb':            config_host.has_key('CONFIG_USB_LIBUSB')}
 summary_info += {'usb net redir':     config_host.has_key('CONFIG_USB_REDIR')}
 summary_info += {'OpenGL support':    config_host.has_key('CONFIG_OPENGL')}

meson_options.txt

@@ -1,6 +1,7 @@
 option('gettext', type : 'boolean', value : true)
 option('sdl', type : 'feature', value : 'auto')
 option('sdl_image', type : 'feature', value : 'auto')
+option('u2f', type : 'feature', value : 'auto')
 option('vnc', type : 'feature', value : 'enabled')
 option('vnc_jpeg', type : 'feature', value : 'auto')
 option('vnc_png', type : 'feature', value : 'auto')