From: Tvrtko Ursulin tvrtko.ursulin@intel.com
Prepare for supporting clients belonging to multiple DRM cards by storing the DRM minor in the client record.
Signed-off-by: Tvrtko Ursulin tvrtko.ursulin@intel.com --- lib/igt_drm_clients.c | 33 ++++++++++++++++++++------------- lib/igt_drm_clients.h | 6 ++++-- 2 files changed, 24 insertions(+), 15 deletions(-)
diff --git a/lib/igt_drm_clients.c b/lib/igt_drm_clients.c index 591602f4c9f5..116479a9f363 100644 --- a/lib/igt_drm_clients.c +++ b/lib/igt_drm_clients.c @@ -117,12 +117,13 @@ igt_drm_client_update(struct igt_drm_client *c, unsigned int pid, char *name, }
void -igt_drm_client_add(struct igt_drm_clients *clients, unsigned int id, - unsigned int pid, char *name, uint64_t busy[16]) +igt_drm_client_add(struct igt_drm_clients *clients, + struct drm_client_fdinfo *info, + unsigned int pid, char *name, unsigned int drm_minor) { struct igt_drm_client *c;
- assert(!igt_drm_clients_find(clients, IGT_DRM_CLIENT_ALIVE, id)); + assert(!igt_drm_clients_find(clients, IGT_DRM_CLIENT_ALIVE, info->id));
c = igt_drm_clients_find(clients, IGT_DRM_CLIENT_FREE, 0); if (!c) { @@ -137,13 +138,14 @@ igt_drm_client_add(struct igt_drm_clients *clients, unsigned int id, memset(c, 0, (clients->num_clients - idx) * sizeof(*c)); }
- c->id = id; + c->id = info->id; + c->drm_minor = drm_minor; c->clients = clients; c->val = calloc(clients->num_classes, sizeof(c->val)); c->last = calloc(clients->num_classes, sizeof(c->last)); assert(c->val && c->last);
- igt_drm_client_update(c, pid, name, busy); + igt_drm_client_update(c, pid, name, info->busy); }
void igt_drm_client_free(struct igt_drm_client *c) @@ -254,16 +256,21 @@ static bool get_task_name(const char *buffer, char *out, unsigned long sz) return true; }
-static bool is_drm_fd(int fd_dir, const char *name) +static bool is_drm_fd(int fd_dir, const char *name, unsigned int *minor) { struct stat stat; int ret;
ret = fstatat(fd_dir, name, &stat, 0);
- return ret == 0 && - (stat.st_mode & S_IFMT) == S_IFCHR && - major(stat.st_rdev) == 226; + if (ret == 0 && + (stat.st_mode & S_IFMT) == S_IFCHR && + major(stat.st_rdev) == 226) { + *minor = minor(stat.st_rdev); + return true; + } + + return false; }
struct igt_drm_clients * @@ -293,10 +300,10 @@ igt_drm_clients_scan(struct igt_drm_clients *clients, return clients;
while ((proc_dent = readdir(proc_dir)) != NULL) { + unsigned int client_pid, minor = 0; int pid_dir = -1, fd_dir = -1; struct dirent *fdinfo_dent; char client_name[64] = { }; - unsigned int client_pid; DIR *fdinfo_dir = NULL; char buf[4096]; size_t count; @@ -338,7 +345,7 @@ igt_drm_clients_scan(struct igt_drm_clients *clients, if (!isdigit(fdinfo_dent->d_name[0])) continue;
- if (!is_drm_fd(fd_dir, fdinfo_dent->d_name)) + if (!is_drm_fd(fd_dir, fdinfo_dent->d_name, &minor)) continue;
memset(&info, 0, sizeof(info)); @@ -358,8 +365,8 @@ igt_drm_clients_scan(struct igt_drm_clients *clients, c = igt_drm_clients_find(clients, IGT_DRM_CLIENT_PROBE, info.id); if (!c) - igt_drm_client_add(clients, info.id, client_pid, - client_name, info.busy); + igt_drm_client_add(clients, &info, client_pid, + client_name, minor); else igt_drm_client_update(c, client_pid, client_name, info.busy); diff --git a/lib/igt_drm_clients.h b/lib/igt_drm_clients.h index 91e9da4c0733..7a6318c6af5f 100644 --- a/lib/igt_drm_clients.h +++ b/lib/igt_drm_clients.h @@ -48,6 +48,7 @@ struct igt_drm_client {
enum igt_drm_client_status status; unsigned int id; + unsigned int drm_minor; unsigned int pid; char name[24]; char print_name[24]; @@ -95,8 +96,9 @@ igt_drm_clients_sort(struct igt_drm_clients *clients, void igt_drm_client_update(struct igt_drm_client *c, unsigned int pid, char *name, uint64_t val[16]);
-void igt_drm_client_add(struct igt_drm_clients *clients, unsigned int id, - unsigned int pid, char *name, uint64_t busy[16]); +void igt_drm_client_add(struct igt_drm_clients *clients, + struct drm_client_fdinfo *, + unsigned int pid, char *name, unsigned int drm_minor);
void igt_drm_client_free(struct igt_drm_client *c);