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Remove single GPU assumptions from wlr_session

This commit is contained in:
Scott Anderson 2017-08-26 14:50:16 +12:00
parent fb93628bda
commit d16b2977f6
4 changed files with 56 additions and 33 deletions
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26
backend/session/direct.c
View File

@ -48,7 +48,7 @@ static int direct_session_open(struct wlr_session *base, const char *path) {
} }
if (major(st.st_rdev) == DRM_MAJOR) { if (major(st.st_rdev) == DRM_MAJOR) {
session->base.drm_fd = fd; direct_ipc_setmaster(session->sock, fd);
} }
return fd; return fd;
@ -65,8 +65,7 @@ static void direct_session_close(struct wlr_session *base, int fd) {
} }
if (major(st.st_rdev) == DRM_MAJOR) { if (major(st.st_rdev) == DRM_MAJOR) {
direct_ipc_dropmaster(session->sock, session->base.drm_fd); direct_ipc_dropmaster(session->sock, fd);
session->base.drm_fd = -1;
} else if (major(st.st_rdev) == INPUT_MAJOR) { } else if (major(st.st_rdev) == INPUT_MAJOR) {
ioctl(fd, EVIOCREVOKE, 0); ioctl(fd, EVIOCREVOKE, 0);
} }
@ -109,11 +108,27 @@ static int vt_handler(int signo, void *data) {
if (session->base.active) { if (session->base.active) {
session->base.active = false; session->base.active = false;
wl_signal_emit(&session->base.session_signal, session); wl_signal_emit(&session->base.session_signal, session);
direct_ipc_dropmaster(session->sock, session->base.drm_fd);
struct wlr_device *dev;
wl_list_for_each(dev, &session->base.devices, link) {
if (major(dev->dev) == DRM_MAJOR) {
direct_ipc_dropmaster(session->sock,
dev->fd);
}
}
ioctl(session->tty_fd, VT_RELDISP, 1); ioctl(session->tty_fd, VT_RELDISP, 1);
} else { } else {
ioctl(session->tty_fd, VT_RELDISP, VT_ACKACQ); ioctl(session->tty_fd, VT_RELDISP, VT_ACKACQ);
direct_ipc_setmaster(session->sock, session->base.drm_fd);
struct wlr_device *dev;
wl_list_for_each(dev, &session->base.devices, link) {
if (major(dev->dev) == DRM_MAJOR) {
direct_ipc_setmaster(session->sock,
dev->fd);
}
}
session->base.active = true; session->base.active = true;
wl_signal_emit(&session->base.session_signal, session); wl_signal_emit(&session->base.session_signal, session);
} }
@ -221,7 +236,6 @@ static struct wlr_session *direct_session_create(struct wl_display *disp) {
wlr_log(L_INFO, "Successfully loaded direct session"); wlr_log(L_INFO, "Successfully loaded direct session");
snprintf(session->base.seat, sizeof(session->base.seat), "%s", seat); snprintf(session->base.seat, sizeof(session->base.seat), "%s", seat);
session->base.drm_fd = -1;
session->base.impl = &session_direct; session->base.impl = &session_direct;
return &session->base; return &session->base;

30
backend/session/logind.c
View File

@ -1,4 +1,5 @@
#define _POSIX_C_SOURCE 200809L #define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <stdio.h> #include <stdio.h>
#include <stdbool.h> #include <stdbool.h>
#include <stdlib.h> #include <stdlib.h>
@ -67,10 +68,6 @@ static int logind_take_device(struct wlr_session *base, const char *path) {
goto error; goto error;
} }
if (major(st.st_rdev) == DRM_MAJOR) {
session->base.drm_fd = fd;
}
error: error:
sd_bus_error_free(&error); sd_bus_error_free(&error);
sd_bus_message_unref(msg); sd_bus_message_unref(msg);
@ -97,10 +94,6 @@ static void logind_release_device(struct wlr_session *base, int fd) {
wlr_log(L_ERROR, "Failed to release device '%d'", fd); wlr_log(L_ERROR, "Failed to release device '%d'", fd);
} }
if (major(st.st_rdev) == DRM_MAJOR) {
session->base.drm_fd = -1;
}
sd_bus_error_free(&error); sd_bus_error_free(&error);
sd_bus_message_unref(msg); sd_bus_message_unref(msg);
} }
@ -221,6 +214,20 @@ static int session_removed(sd_bus_message *msg, void *userdata, sd_bus_error *re
return 0; return 0;
} }
static struct wlr_device *find_device(struct wlr_session *session, dev_t devnum) {
struct wlr_device *dev;
wl_list_for_each(dev, &session->devices, link) {
if (dev->dev == devnum) {
return dev;
}
}
wlr_log(L_ERROR, "Tried to use dev_t %lu not opened by session",
(unsigned long)devnum);
assert(0);
}
static int pause_device(sd_bus_message *msg, void *userdata, sd_bus_error *ret_error) { static int pause_device(sd_bus_message *msg, void *userdata, sd_bus_error *ret_error) {
struct logind_session *session = userdata; struct logind_session *session = userdata;
int ret; int ret;
@ -267,10 +274,14 @@ static int resume_device(sd_bus_message *msg, void *userdata, sd_bus_error *ret_
} }
if (major == DRM_MAJOR) { if (major == DRM_MAJOR) {
dup2(fd, session->base.drm_fd); struct wlr_device *dev = find_device(&session->base, makedev(major, minor));
dup2(fd, dev->fd);
if (!session->base.active) {
session->base.active = true; session->base.active = true;
wl_signal_emit(&session->base.session_signal, session); wl_signal_emit(&session->base.session_signal, session);
} }
}
error: error:
return 0; return 0;
@ -374,7 +385,6 @@ static struct wlr_session *logind_session_create(struct wl_display *disp) {
wlr_log(L_INFO, "Successfully loaded logind session"); wlr_log(L_INFO, "Successfully loaded logind session");
session->base.drm_fd = -1;
session->base.impl = &session_logind; session->base.impl = &session_logind;
return &session->base; return &session->base;

20
backend/session/session.c
View File

@ -12,14 +12,6 @@
#include <wlr/backend/session/interface.h> #include <wlr/backend/session/interface.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
struct device {
int fd;
dev_t dev;
struct wl_signal signal;
struct wl_list link;
};
extern const struct session_impl session_logind; extern const struct session_impl session_logind;
extern const struct session_impl session_direct; extern const struct session_impl session_direct;
@ -49,7 +41,7 @@ static int udev_event(int fd, uint32_t mask, void *data) {
} }
dev_t devnum = udev_device_get_devnum(udev_dev); dev_t devnum = udev_device_get_devnum(udev_dev);
struct device *dev; struct wlr_device *dev;
wl_list_for_each(dev, &session->devices, link) { wl_list_for_each(dev, &session->devices, link) {
if (dev->dev == devnum) { if (dev->dev == devnum) {
@ -134,7 +126,7 @@ int wlr_session_open_file(struct wlr_session *session, const char *path) {
return fd; return fd;
} }
struct device *dev = malloc(sizeof(*dev)); struct wlr_device *dev = malloc(sizeof(*dev));
if (!dev) { if (!dev) {
wlr_log_errno(L_ERROR, "Allocation failed"); wlr_log_errno(L_ERROR, "Allocation failed");
goto error; goto error;
@ -158,8 +150,8 @@ error:
return fd; return fd;
} }
static struct device *find_device(struct wlr_session *session, int fd) { static struct wlr_device *find_device(struct wlr_session *session, int fd) {
struct device *dev; struct wlr_device *dev;
wl_list_for_each(dev, &session->devices, link) { wl_list_for_each(dev, &session->devices, link) {
if (dev->fd == fd) { if (dev->fd == fd) {
@ -172,7 +164,7 @@ static struct device *find_device(struct wlr_session *session, int fd) {
} }
void wlr_session_close_file(struct wlr_session *session, int fd) { void wlr_session_close_file(struct wlr_session *session, int fd) {
struct device *dev = find_device(session, fd); struct wlr_device *dev = find_device(session, fd);
session->impl->close(session, fd); session->impl->close(session, fd);
wl_list_remove(&dev->link); wl_list_remove(&dev->link);
@ -181,7 +173,7 @@ void wlr_session_close_file(struct wlr_session *session, int fd) {
void wlr_session_signal_add(struct wlr_session *session, int fd, void wlr_session_signal_add(struct wlr_session *session, int fd,
struct wl_listener *listener) { struct wl_listener *listener) {
struct device *dev = find_device(session, fd); struct wlr_device *dev = find_device(session, fd);
wl_signal_add(&dev->signal, listener); wl_signal_add(&dev->signal, listener);
} }

9
include/wlr/backend/session.h
View File

@ -8,6 +8,14 @@
struct session_impl; struct session_impl;
struct wlr_device {
int fd;
dev_t dev;
struct wl_signal signal;
struct wl_list link;
};
struct wlr_session { struct wlr_session {
const struct session_impl *impl; const struct session_impl *impl;
/* /*
@ -17,7 +25,6 @@ struct wlr_session {
struct wl_signal session_signal; struct wl_signal session_signal;
bool active; bool active;
int drm_fd;
unsigned vtnr; unsigned vtnr;
char seat[8]; char seat[8];