| Message ID | 20230606223130.6132-15-dakr@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | DRM GPUVA Manager & Nouveau VM_BIND UAPI | expand |
* Danilo Krummrich <dakr@redhat.com> [230606 18:32]: > Provide the driver indirection iterating over all DRM GPU VA spaces to > enable the common 'gpuvas' debugfs file for dumping DRM GPU VA spaces. > > Signed-off-by: Danilo Krummrich <dakr@redhat.com> > --- > drivers/gpu/drm/nouveau/nouveau_debugfs.c | 39 +++++++++++++++++++++++ > 1 file changed, 39 insertions(+) > > diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c > index 99d022a91afc..053f703f2f68 100644 > --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c > +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c > @@ -203,6 +203,44 @@ nouveau_debugfs_pstate_open(struct inode *inode, struct file *file) > return single_open(file, nouveau_debugfs_pstate_get, inode->i_private); > } > > +static void > +nouveau_debugfs_gpuva_regions(struct seq_file *m, struct nouveau_uvmm *uvmm) > +{ > + MA_STATE(mas, &uvmm->region_mt, 0, 0); > + struct nouveau_uvma_region *reg; > + > + seq_puts (m, " VA regions | start | range | end \n"); > + seq_puts (m, "----------------------------------------------------------------------------\n"); rcu_read_lock(); > + mas_for_each(&mas, reg, ULONG_MAX) > + seq_printf(m, " | 0x%016llx | 0x%016llx | 0x%016llx\n", > + reg->va.addr, reg->va.range, reg->va.addr + reg->va.range); rcu_read_unlock(); > +} > + > +static int > +nouveau_debugfs_gpuva(struct seq_file *m, void *data) > +{ > + struct drm_info_node *node = (struct drm_info_node *) m->private; > + struct nouveau_drm *drm = nouveau_drm(node->minor->dev); > + struct nouveau_cli *cli; > + > + mutex_lock(&drm->clients_lock); > + list_for_each_entry(cli, &drm->clients, head) { > + struct nouveau_uvmm *uvmm = nouveau_cli_uvmm(cli); > + > + if (!uvmm) > + continue; > + > + nouveau_uvmm_lock(uvmm); > + drm_debugfs_gpuva_info(m, &uvmm->umgr); > + seq_puts(m, "\n"); > + nouveau_debugfs_gpuva_regions(m, uvmm); > + nouveau_uvmm_unlock(uvmm); > + } > + mutex_unlock(&drm->clients_lock); > + > + return 0; > +} > + > static const struct file_operations nouveau_pstate_fops = { > .owner = THIS_MODULE, > .open = nouveau_debugfs_pstate_open, > @@ -214,6 +252,7 @@ static const struct file_operations nouveau_pstate_fops = { > static struct drm_info_list nouveau_debugfs_list[] = { > { "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL }, > { "strap_peek", nouveau_debugfs_strap_peek, 0, NULL }, > + DRM_DEBUGFS_GPUVA_INFO(nouveau_debugfs_gpuva, NULL), > }; > #define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list) > > -- > 2.40.1 >
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c index 99d022a91afc..053f703f2f68 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c @@ -203,6 +203,44 @@ nouveau_debugfs_pstate_open(struct inode *inode, struct file *file) return single_open(file, nouveau_debugfs_pstate_get, inode->i_private); } +static void +nouveau_debugfs_gpuva_regions(struct seq_file *m, struct nouveau_uvmm *uvmm) +{ + MA_STATE(mas, &uvmm->region_mt, 0, 0); + struct nouveau_uvma_region *reg; + + seq_puts (m, " VA regions | start | range | end \n"); + seq_puts (m, "----------------------------------------------------------------------------\n"); + mas_for_each(&mas, reg, ULONG_MAX) + seq_printf(m, " | 0x%016llx | 0x%016llx | 0x%016llx\n", + reg->va.addr, reg->va.range, reg->va.addr + reg->va.range); +} + +static int +nouveau_debugfs_gpuva(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct nouveau_drm *drm = nouveau_drm(node->minor->dev); + struct nouveau_cli *cli; + + mutex_lock(&drm->clients_lock); + list_for_each_entry(cli, &drm->clients, head) { + struct nouveau_uvmm *uvmm = nouveau_cli_uvmm(cli); + + if (!uvmm) + continue; + + nouveau_uvmm_lock(uvmm); + drm_debugfs_gpuva_info(m, &uvmm->umgr); + seq_puts(m, "\n"); + nouveau_debugfs_gpuva_regions(m, uvmm); + nouveau_uvmm_unlock(uvmm); + } + mutex_unlock(&drm->clients_lock); + + return 0; +} + static const struct file_operations nouveau_pstate_fops = { .owner = THIS_MODULE, .open = nouveau_debugfs_pstate_open, @@ -214,6 +252,7 @@ static const struct file_operations nouveau_pstate_fops = { static struct drm_info_list nouveau_debugfs_list[] = { { "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL }, { "strap_peek", nouveau_debugfs_strap_peek, 0, NULL }, + DRM_DEBUGFS_GPUVA_INFO(nouveau_debugfs_gpuva, NULL), }; #define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list)
Provide the driver indirection iterating over all DRM GPU VA spaces to enable the common 'gpuvas' debugfs file for dumping DRM GPU VA spaces. Signed-off-by: Danilo Krummrich <dakr@redhat.com> --- drivers/gpu/drm/nouveau/nouveau_debugfs.c | 39 +++++++++++++++++++++++ 1 file changed, 39 insertions(+)