From a2896cede08ddeed4f2c4fca616943a63dff5fa8 Mon Sep 17 00:00:00 2001 From: Marcin Slusarz Date: Sun, 9 Dec 2012 15:45:21 +0100 Subject: [PATCH] drm/nouveau: prepare for reporting channel owner - record channel owner process name - add some helpers for accessing this information - let nouveau_enum hold additional value (will be needed in the next patch) Signed-off-by: Marcin Slusarz Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/core/core/client.c | 10 ++++++++++ drivers/gpu/drm/nouveau/core/core/enum.c | 3 ++- drivers/gpu/drm/nouveau/core/engine/fifo/base.c | 15 +++++++++++++++ drivers/gpu/drm/nouveau/core/include/core/client.h | 3 ++- drivers/gpu/drm/nouveau/core/include/core/enum.h | 3 ++- drivers/gpu/drm/nouveau/core/include/engine/fifo.h | 2 ++ drivers/gpu/drm/nouveau/nouveau_drm.c | 5 +++-- 7 files changed, 36 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/nouveau/core/core/client.c b/drivers/gpu/drm/nouveau/core/core/client.c index 8bbb58f..295c221 100644 --- a/drivers/gpu/drm/nouveau/core/core/client.c +++ b/drivers/gpu/drm/nouveau/core/core/client.c @@ -99,3 +99,13 @@ nouveau_client_fini(struct nouveau_client *client, bool suspend) nv_debug(client, "%s completed with %d\n", name[suspend], ret); return ret; } + +const char * +nouveau_client_name(void *obj) +{ + const char *client_name = "unknown"; + struct nouveau_client *client = nouveau_client(obj); + if (client) + client_name = client->name; + return client_name; +} diff --git a/drivers/gpu/drm/nouveau/core/core/enum.c b/drivers/gpu/drm/nouveau/core/core/enum.c index 148f91f..dd43479 100644 --- a/drivers/gpu/drm/nouveau/core/core/enum.c +++ b/drivers/gpu/drm/nouveau/core/core/enum.c @@ -40,7 +40,7 @@ nouveau_enum_find(const struct nouveau_enum *en, u32 value) return NULL; } -void +const struct nouveau_enum * nouveau_enum_print(const struct nouveau_enum *en, u32 value) { en = nouveau_enum_find(en, value); @@ -48,6 +48,7 @@ nouveau_enum_print(const struct nouveau_enum *en, u32 value) pr_cont("%s", en->name); else pr_cont("(unknown enum 0x%08x)", value); + return en; } void diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/base.c b/drivers/gpu/drm/nouveau/core/engine/fifo/base.c index c2b9db3..ca1057a 100644 --- a/drivers/gpu/drm/nouveau/core/engine/fifo/base.c +++ b/drivers/gpu/drm/nouveau/core/engine/fifo/base.c @@ -22,6 +22,7 @@ * Authors: Ben Skeggs */ +#include #include #include #include @@ -146,6 +147,20 @@ nouveau_fifo_chid(struct nouveau_fifo *priv, struct nouveau_object *object) return -1; } +const char * +nouveau_client_name_for_fifo_chid(struct nouveau_fifo *fifo, u32 chid) +{ + struct nouveau_fifo_chan *chan = NULL; + unsigned long flags; + + spin_lock_irqsave(&fifo->lock, flags); + if (chid >= fifo->min && chid <= fifo->max) + chan = (void *)fifo->channel[chid]; + spin_unlock_irqrestore(&fifo->lock, flags); + + return nouveau_client_name(chan); +} + void nouveau_fifo_destroy(struct nouveau_fifo *priv) { diff --git a/drivers/gpu/drm/nouveau/core/include/core/client.h b/drivers/gpu/drm/nouveau/core/include/core/client.h index 63acc03..c66eac5 100644 --- a/drivers/gpu/drm/nouveau/core/include/core/client.h +++ b/drivers/gpu/drm/nouveau/core/include/core/client.h @@ -7,7 +7,7 @@ struct nouveau_client { struct nouveau_namedb base; struct nouveau_handle *root; struct nouveau_object *device; - char name[16]; + char name[32]; u32 debug; struct nouveau_vm *vm; }; @@ -41,5 +41,6 @@ int nouveau_client_create_(const char *name, u64 device, const char *cfg, int nouveau_client_init(struct nouveau_client *); int nouveau_client_fini(struct nouveau_client *, bool suspend); +const char *nouveau_client_name(void *obj); #endif diff --git a/drivers/gpu/drm/nouveau/core/include/core/enum.h b/drivers/gpu/drm/nouveau/core/include/core/enum.h index e7b1e18..4fc62bb 100644 --- a/drivers/gpu/drm/nouveau/core/include/core/enum.h +++ b/drivers/gpu/drm/nouveau/core/include/core/enum.h @@ -5,12 +5,13 @@ struct nouveau_enum { u32 value; const char *name; const void *data; + u32 data2; }; const struct nouveau_enum * nouveau_enum_find(const struct nouveau_enum *, u32 value); -void +const struct nouveau_enum * nouveau_enum_print(const struct nouveau_enum *en, u32 value); struct nouveau_bitfield { diff --git a/drivers/gpu/drm/nouveau/core/include/engine/fifo.h b/drivers/gpu/drm/nouveau/core/include/engine/fifo.h index f18846c..543e4ef 100644 --- a/drivers/gpu/drm/nouveau/core/include/engine/fifo.h +++ b/drivers/gpu/drm/nouveau/core/include/engine/fifo.h @@ -92,6 +92,8 @@ int nouveau_fifo_create_(struct nouveau_object *, struct nouveau_object *, struct nouveau_oclass *, int min, int max, int size, void **); void nouveau_fifo_destroy(struct nouveau_fifo *); +const char * +nouveau_client_name_for_fifo_chid(struct nouveau_fifo *fifo, u32 chid); #define _nouveau_fifo_init _nouveau_engine_init #define _nouveau_fifo_fini _nouveau_engine_fini diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 8b090f1..2cd66cd 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -543,10 +543,11 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) struct pci_dev *pdev = dev->pdev; struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_cli *cli; - char name[16]; + char name[32], tmpname[TASK_COMM_LEN]; int ret; - snprintf(name, sizeof(name), "%d", pid_nr(fpriv->pid)); + get_task_comm(tmpname, current); + snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid)); ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli); if (ret) -- 2.7.4