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xorg-x11-server
U_kdrive-introduce-input-hot-plugging-support-f...
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File U_kdrive-introduce-input-hot-plugging-support-for-udev.patch of Package xorg-x11-server
From 0cf3d72be6bd99cd2c66b7885339322c7e5bf73d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?La=C3=A9rcio=20de=20Sousa?= <laerciosousa@sme-mogidascruzes.sp.gov.br> Date: Fri, 12 Feb 2016 14:17:59 -0200 Subject: [PATCH 53/56] kdrive: introduce input hot-plugging support for udev and hal backends (#33140) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch introduces input hot-plugging support for kdrive-based applications in multi-seat context. This feature is enabled by passing -seat option with desired seat name. All keyboard/mouse devices assigned to that seat will be automatically grabbed by kdrive. It supports udev and hal backends for input hot-plugging support. Another patches may be required for wscons backend. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=33140 Reviewed-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Laércio de Sousa <laerciosousa@sme-mogidascruzes.sp.gov.br> --- hw/kdrive/src/Makefile.am | 8 +++ hw/kdrive/src/kdrive.c | 46 +++++++++++++ hw/kdrive/src/kinfo.c | 4 ++ hw/kdrive/src/kinput.c | 162 +++++++++++++++++++++++++++++++++++++++------- 4 files changed, 198 insertions(+), 22 deletions(-) diff --git a/hw/kdrive/src/Makefile.am b/hw/kdrive/src/Makefile.am index d69f0dd..b7f94b0 100644 --- a/hw/kdrive/src/Makefile.am +++ b/hw/kdrive/src/Makefile.am @@ -23,3 +23,11 @@ libkdrive_la_SOURCES = \ kshadow.c \ $(KDRIVE_XV_SOURCES) \ $(top_srcdir)/mi/miinitext.c + +if CONFIG_UDEV +libkdrive_la_LIBADD = $(top_builddir)/config/libconfig.la +else +if CONFIG_HAL +libkdrive_la_LIBADD = $(top_builddir)/config/libconfig.la +endif +endif diff --git a/hw/kdrive/src/kdrive.c b/hw/kdrive/src/kdrive.c index 582ff66..269b609 100644 --- a/hw/kdrive/src/kdrive.c +++ b/hw/kdrive/src/kdrive.c @@ -45,6 +45,14 @@ #include <signal.h> +#if defined(CONFIG_UDEV) || defined(CONFIG_HAL) +#include <hotplug.h> +#endif + +/* This stub can be safely removed once we can + * split input and GPU parts in hotplug.h et al. */ +#include <systemd-logind.h> + typedef struct _kdDepths { CARD8 depth; CARD8 bpp; @@ -1125,6 +1133,11 @@ KdInitOutput(ScreenInfo * pScreenInfo, int argc, char **argv) KdAddScreen(pScreenInfo, screen, argc, argv); OsRegisterSigWrapper(KdSignalWrapper); + +#if defined(CONFIG_UDEV) || defined(CONFIG_HAL) + if (SeatId) /* Enable input hot-plugging */ + config_pre_init(); +#endif } void @@ -1143,3 +1156,36 @@ DPMSSupported(void) { return FALSE; } + +/* These stubs can be safely removed once we can + * split input and GPU parts in hotplug.h et al. */ +#ifdef CONFIG_UDEV_KMS +void +NewGPUDeviceRequest(struct OdevAttributes *attribs) +{ +} + +void +DeleteGPUDeviceRequest(struct OdevAttributes *attribs) +{ +} +#endif + +struct xf86_platform_device * +xf86_find_platform_device_by_devnum(int major, int minor) +{ + return NULL; +} + +#ifdef SYSTEMD_LOGIND +void +systemd_logind_vtenter(void) +{ +} + +void +systemd_logind_release_fd(int major, int minor, int fd) +{ + close(fd); +} +#endif diff --git a/hw/kdrive/src/kinfo.c b/hw/kdrive/src/kinfo.c index 01ae1e4..f91d575 100644 --- a/hw/kdrive/src/kinfo.c +++ b/hw/kdrive/src/kinfo.c @@ -134,6 +134,7 @@ KdFreePointer(KdPointerInfo * pi) free(pi->name); free(pi->path); input_option_free_list(&pi->options); + pi->next = NULL; free(pi); } @@ -145,6 +146,9 @@ KdFreeKeyboard(KdKeyboardInfo * ki) free(ki->xkbRules); free(ki->xkbModel); free(ki->xkbLayout); + free(ki->xkbVariant); + free(ki->xkbOptions); + input_option_free_list(&ki->options); ki->next = NULL; free(ki); } diff --git a/hw/kdrive/src/kinput.c b/hw/kdrive/src/kinput.c index 3a1c6a0..fd6a952 100644 --- a/hw/kdrive/src/kinput.c +++ b/hw/kdrive/src/kinput.c @@ -51,6 +51,10 @@ #include "inpututils.h" #include "optionstr.h" +#if defined(CONFIG_UDEV) || defined(CONFIG_HAL) +#include <hotplug.h> +#endif + #ifdef KDRIVE_EVDEV #define DEV_INPUT_EVENT_PREFIX "/dev/input/event" #define DEV_INPUT_EVENT_PREFIX_LEN (sizeof(DEV_INPUT_EVENT_PREFIX) - 1) @@ -407,7 +411,8 @@ KdPointerProc(DeviceIntPtr pDevice, int onoff) #endif if (!pi->driver) { if (!pi->driverPrivate) { - ErrorF("no driver specified for %s\n", pi->name); + ErrorF("no driver specified for pointer device \"%s\" (%s)\n", + pi->name ? pi->name : "(unnamed)", pi->path); return BadImplementation; } @@ -727,7 +732,8 @@ KdKeyboardProc(DeviceIntPtr pDevice, int onoff) #endif if (!ki->driver) { if (!ki->driverPrivate) { - ErrorF("no driver specified!\n"); + ErrorF("no driver specified for keyboard device \"%s\" (%s)\n", + ki->name ? ki->name : "(unnamed)", ki->path); return BadImplementation; } @@ -901,6 +907,8 @@ KdNewKeyboard(void) ki->bellDuration = 200; ki->next = NULL; ki->options = NULL; + ki->name = strdup("Generic Keyboard"); + ki->path = NULL; ki->xkbRules = strdup(XKB_DFLT_RULES); ki->xkbModel = strdup(XKB_DFLT_MODEL); ki->xkbLayout = strdup(XKB_DFLT_LAYOUT); @@ -1084,18 +1092,52 @@ KdParseKbdOptions(KdKeyboardInfo * ki) const char *key = input_option_get_key(option); const char *value = input_option_get_value(option); - if (strcasecmp(key, "XkbRules") == 0) + if ( +#if defined(CONFIG_UDEV) || defined(CONFIG_HAL) + strcasecmp(key, "xkb_rules") == 0 || +#endif + strcasecmp(key, "XkbRules") == 0) ki->xkbRules = strdup(value); - else if (strcasecmp(key, "XkbModel") == 0) + else if ( +#if defined(CONFIG_UDEV) || defined(CONFIG_HAL) + strcasecmp(key, "xkb_model") == 0 || +#endif + strcasecmp(key, "XkbModel") == 0) ki->xkbModel = strdup(value); - else if (strcasecmp(key, "XkbLayout") == 0) + else if ( +#if defined(CONFIG_UDEV) || defined(CONFIG_HAL) + strcasecmp(key, "xkb_layout") == 0 || +#endif + strcasecmp(key, "XkbLayout") == 0) ki->xkbLayout = strdup(value); - else if (strcasecmp(key, "XkbVariant") == 0) + else if ( +#if defined(CONFIG_UDEV) || defined(CONFIG_HAL) + strcasecmp(key, "xkb_variant") == 0 || +#endif + strcasecmp(key, "XkbVariant") == 0) ki->xkbVariant = strdup(value); - else if (strcasecmp(key, "XkbOptions") == 0) + else if ( +#if defined(CONFIG_UDEV) || defined(CONFIG_HAL) + strcasecmp(key, "xkb_options") == 0 || +#endif + strcasecmp(key, "XkbOptions") == 0) ki->xkbOptions = strdup(value); - else if (!strcasecmp(key, "device")) + else if (!strcasecmp(key, "device")) { + if (ki->path != NULL) + free(ki->path); ki->path = strdup(value); + } +#if defined(CONFIG_UDEV) || defined(CONFIG_HAL) + else if (!strcasecmp(key, "path")) { + if (ki->path != NULL) + free(ki->path); + ki->path = strdup(value); + } + else if (!strcasecmp(key, "name")) { + free(ki->name); + ki->name = strdup(value); + } +#endif else if (!strcasecmp(key, "driver")) ki->driver = KdFindKeyboardDriver(value); else @@ -1196,8 +1238,22 @@ KdParsePointerOptions(KdPointerInfo * pi) pi->transformCoordinates = TRUE; else if (!strcasecmp(key, "rawcoord")) pi->transformCoordinates = FALSE; - else if (!strcasecmp(key, "device")) + else if (!strcasecmp(key, "device")) { + if (pi->path != NULL) + free(pi->path); + pi->path = strdup(value); + } +#if defined(CONFIG_UDEV) || defined(CONFIG_HAL) + else if (!strcasecmp(key, "path")) { + if (pi->path != NULL) + free(pi->path); pi->path = strdup(value); + } + else if (!strcasecmp(key, "name")) { + free(pi->name); + pi->name = strdup(value); + } +#endif else if (!strcasecmp(key, "protocol")) pi->protocol = strdup(value); else if (!strcasecmp(key, "driver")) @@ -1320,11 +1376,21 @@ KdInitInput(void) } mieqInit(); + +#if defined(CONFIG_UDEV) || defined(CONFIG_HAL) + if (SeatId) /* Enable input hot-plugging */ + config_init(); +#endif } void KdCloseInput(void) { +#if defined(CONFIG_UDEV) || defined(CONFIG_HAL) + if (SeatId) /* Input hot-plugging is enabled */ + config_fini(); +#endif + mieqFini(); } @@ -2141,24 +2207,29 @@ int NewInputDeviceRequest(InputOption *options, InputAttributes * attrs, DeviceIntPtr *pdev) { - InputOption *option = NULL; + InputOption *option = NULL, *optionsdup = NULL; KdPointerInfo *pi = NULL; KdKeyboardInfo *ki = NULL; nt_list_for_each_entry(option, options, list.next) { const char *key = input_option_get_key(option); const char *value = input_option_get_value(option); + optionsdup = input_option_new(optionsdup, key, value); if (strcmp(key, "type") == 0) { if (strcmp(value, "pointer") == 0) { pi = KdNewPointer(); - if (!pi) + if (!pi) { + input_option_free_list(&optionsdup); return BadAlloc; + } } else if (strcmp(value, "keyboard") == 0) { ki = KdNewKeyboard(); - if (!ki) + if (!ki) { + input_option_free_list(&optionsdup); return BadAlloc; + } } else { ErrorF("unrecognised device type!\n"); @@ -2168,25 +2239,66 @@ NewInputDeviceRequest(InputOption *options, InputAttributes * attrs, #ifdef CONFIG_HAL else if (strcmp(key, "_source") == 0 && strcmp(value, "server/hal") == 0) { - ErrorF("Ignoring device from HAL.\n"); - return BadValue; + if (SeatId) { + /* Input hot-plugging is enabled */ + if (attrs->flags & ATTR_POINTER) { + pi = KdNewPointer(); + if (!pi) { + input_option_free_list(&optionsdup); + return BadAlloc; + } + } + else if (attrs->flags & ATTR_KEYBOARD) { + ki = KdNewKeyboard(); + if (!ki) { + input_option_free_list(&optionsdup); + return BadAlloc; + } + } + } + else { + ErrorF("Ignoring device from HAL.\n"); + input_option_free_list(&optionsdup); + return BadValue; + } } #endif #ifdef CONFIG_UDEV else if (strcmp(key, "_source") == 0 && strcmp(value, "server/udev") == 0) { - ErrorF("Ignoring device from udev.\n"); - return BadValue; + if (SeatId) { + /* Input hot-plugging is enabled */ + if (attrs->flags & ATTR_POINTER) { + pi = KdNewPointer(); + if (!pi) { + input_option_free_list(&optionsdup); + return BadAlloc; + } + } + else if (attrs->flags & ATTR_KEYBOARD) { + ki = KdNewKeyboard(); + if (!ki) { + input_option_free_list(&optionsdup); + return BadAlloc; + } + } + } + else { + ErrorF("Ignoring device from udev.\n"); + input_option_free_list(&optionsdup); + return BadValue; + } } #endif } if (pi) { - pi->options = options; + pi->options = optionsdup; KdParsePointerOptions(pi); if (!pi->driver) { - ErrorF("couldn't find driver!\n"); + ErrorF("couldn't find driver for pointer device \"%s\" (%s)\n", + pi->name ? pi->name : "(unnamed)", pi->path); KdFreePointer(pi); return BadValue; } @@ -2194,18 +2306,21 @@ NewInputDeviceRequest(InputOption *options, InputAttributes * attrs, if (KdAddPointer(pi) != Success || ActivateDevice(pi->dixdev, TRUE) != Success || EnableDevice(pi->dixdev, TRUE) != TRUE) { - ErrorF("couldn't add or enable pointer\n"); + ErrorF("couldn't add or enable pointer \"%s\" (%s)\n", + pi->name ? pi->name : "(unnamed)", pi->path); + KdFreePointer(pi); return BadImplementation; } *pdev = pi->dixdev; } else if (ki) { - ki->options = options; + ki->options = optionsdup; KdParseKbdOptions(ki); if (!ki->driver) { - ErrorF("couldn't find driver!\n"); + ErrorF("couldn't find driver for keyboard device \"%s\" (%s)\n", + ki->name ? ki->name : "(unnamed)", ki->path); KdFreeKeyboard(ki); return BadValue; } @@ -2213,7 +2328,9 @@ NewInputDeviceRequest(InputOption *options, InputAttributes * attrs, if (KdAddKeyboard(ki) != Success || ActivateDevice(ki->dixdev, TRUE) != Success || EnableDevice(ki->dixdev, TRUE) != TRUE) { - ErrorF("couldn't add or enable keyboard\n"); + ErrorF("couldn't add or enable keyboard \"%s\" (%s)\n", + ki->name ? ki->name : "(unnamed)", ki->path); + KdFreeKeyboard(ki); return BadImplementation; } @@ -2221,6 +2338,7 @@ NewInputDeviceRequest(InputOption *options, InputAttributes * attrs, } else { ErrorF("unrecognised device identifier!\n"); + input_option_free_list(&optionsdup); return BadValue; } -- 2.6.2
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