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video: tegra: nvmap: Add names to nvmap client

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This modifies the api to allow the user to specify a name
for their clients.  This will allow the system to track
allocations from the kernel by name.

Change-Id: I44aad209bc54e72126be3bebfe416b30291d206c
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>
This commit is contained in:
Rebecca Schultz Zavin
2010-11-04 14:12:37 -07:00
parent 7fdc414272
commit c0645e1f95
3 changed files with 9 additions and 4 deletions
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3
arch/arm/mach-tegra/include/mach/nvmap.h
View File

@@ -66,7 +66,8 @@ struct nvmap_pinarray_elem {
__u32 pin_offset;
};
struct nvmap_client *nvmap_create_client(struct nvmap_device *dev);
struct nvmap_client *nvmap_create_client(struct nvmap_device *dev,
const char *name);
struct nvmap_handle_ref *nvmap_alloc(struct nvmap_client *client, size_t size,
size_t align, unsigned int flags);

1
drivers/video/tegra/nvmap/nvmap.h
View File

@@ -100,6 +100,7 @@ struct nvmap_carveout_commit {
};
struct nvmap_client {
const char *name;
struct nvmap_device *dev;
struct nvmap_share *share;
struct rb_root handle_refs;

9
drivers/video/tegra/nvmap/nvmap_dev.c
View File

@@ -427,7 +427,8 @@ struct nvmap_handle *nvmap_validate_get(struct nvmap_client *client,
return NULL;
}
struct nvmap_client *nvmap_create_client(struct nvmap_device *dev)
struct nvmap_client *nvmap_create_client(struct nvmap_device *dev,
const char *name)
{
struct nvmap_client *client;
int i;
@@ -440,6 +441,7 @@ struct nvmap_client *nvmap_create_client(struct nvmap_device *dev)
if (!client)
return NULL;
client->name = name;
client->super = true;
client->dev = dev;
/* TODO: allocate unique IOVMM client for each nvmap client */
@@ -554,7 +556,7 @@ static int nvmap_open(struct inode *inode, struct file *filp)
return ret;
BUG_ON(dev != nvmap_dev);
priv = nvmap_create_client(dev);
priv = nvmap_create_client(dev, "user");
if (!priv)
return -ENOMEM;
@@ -755,7 +757,8 @@ static void client_stringify(struct nvmap_client *client, struct seq_file *s)
{
char task_comm[sizeof(client->task->comm)];
get_task_comm(task_comm, client->task);
seq_printf(s, "%16s %8u", task_comm, client->task->pid);
seq_printf(s, "%8s %16s %8u", client->name, task_comm,
client->task->pid);
}
static void allocations_stringify(struct nvmap_client *client,