pvr_events.o
pvrsrvkm-objs-$(CONFIG_PVR_DEBUG) += pvr_debug.o
-pvrsrvkm-objs-$(CONFIG_DEBUG_FS) += pvr_debug.o
+pvrsrvkm-objs-$(CONFIG_DEBUG_FS) += pvr_debugfs.o
pvrsrvkm-objs-$(CONFIG_PVR_TIMING) += pvr_debug.o
pvrsrvkm-objs += $(pvrsrvkm-objs-y) $(pvrsrvkm-objs-m)
#include "private_data.h"
#include "pvr_events.h"
+#ifdef CONFIG_DEBUG_FS
+#include "pvr_debugfs.h"
+#endif
+
#define DRVNAME "pvrsrvkm"
#ifdef CONFIG_PVR_DEBUG_EXTRA
PVRDebugSetLevel(debug);
#endif
+#ifdef CONFIG_DEBUG_FS
+ pvr_debugfs_init();
+#endif
+
error = CreateProcEntries();
if (error < 0)
goto err1;
PVR_TRACE("pvr_cleanup: unloading");
+#ifdef CONFIG_DEBUG_FS
+ pvr_debugfs_cleanup();
+#endif
pvr_dbg_cleanup();
}
*
******************************************************************************/
-#include <linux/io.h>
#include <linux/uaccess.h>
#include <linux/kernel.h>
#include <linux/hardirq.h>
#include <linux/module.h>
#include <linux/spinlock.h>
-#include <linux/tty.h>
-#include <linux/debugfs.h>
-#include <linux/vmalloc.h>
-#include <stdarg.h>
#include "img_types.h"
#include "servicesext.h"
#include "pvr_debug.h"
#include "proc.h"
-#include "syscommon.h"
-#include "sgxinfokm.h"
-#include "sgxutils.h"
-#include "pvr_bridge_km.h"
#ifdef CONFIG_PVR_DEBUG
#endif
-#ifdef CONFIG_DEBUG_FS
-
-static struct dentry *debugfs_dir;
-static u32 pvr_reset;
-
-static struct PVRSRV_DEVICE_NODE *get_sgx_node(void)
-{
- struct SYS_DATA *sysdata;
- struct PVRSRV_DEVICE_NODE *node;
-
- if (SysAcquireData(&sysdata) != PVRSRV_OK)
- return NULL;
-
- for (node = sysdata->psDeviceNodeList; node; node = node->psNext)
- if (node->sDevId.eDeviceType == PVRSRV_DEVICE_TYPE_SGX)
- break;
-
- return node;
-}
-
-static int pvr_dbg_reset(void *data, u64 val)
-{
- struct PVRSRV_DEVICE_NODE *node;
- enum PVRSRV_ERROR err;
- int r = 0;
-
- if (val != 1)
- return 0;
-
- pvr_lock();
-
- if (pvr_is_disabled()) {
- r = -ENODEV;
- goto exit;
- }
-
- node = get_sgx_node();
- if (!node) {
- r = -ENODEV;
- goto exit;
- }
-
- err = PVRSRVSetDevicePowerStateKM(node->sDevId.ui32DeviceIndex,
- PVRSRV_POWER_STATE_D0);
- if (err != PVRSRV_OK) {
- r = -EIO;
- goto exit;
- }
-
- HWRecoveryResetSGX(node);
-
- SGXTestActivePowerEvent(node);
-exit:
- pvr_unlock();
-
- return r;
-}
-
-static int pvr_dbg_set(void *data, u64 val)
-{
- u32 *var = data;
-
- if (var == &pvr_reset)
- return pvr_dbg_reset(data, val);
-
- BUG();
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(pvr_dbg_fops, NULL, pvr_dbg_set, "%llu\n");
-
-struct edm_buf_info {
- size_t len;
- char data[1];
-};
-
-static int pvr_dbg_edm_open(struct inode *inode, struct file *file)
-{
- struct PVRSRV_DEVICE_NODE *node;
- struct PVRSRV_SGXDEV_INFO *sgx_info;
- struct edm_buf_info *bi;
- size_t size;
-
- /* Take a snapshot of the EDM trace buffer */
- size = SGXMK_TRACE_BUFFER_SIZE * SGXMK_TRACE_BUF_STR_LEN;
- bi = vmalloc(sizeof(*bi) + size);
- if (!bi)
- return -ENOMEM;
-
- node = get_sgx_node();
- sgx_info = node->pvDevice;
- bi->len = snprint_edm_trace(sgx_info, bi->data, size);
- file->private_data = bi;
-
- return 0;
-}
-
-static int pvr_dbg_edm_release(struct inode *inode, struct file *file)
-{
- vfree(file->private_data);
-
- return 0;
-}
-
-static ssize_t pvr_dbg_edm_read(struct file *file, char __user *buffer,
- size_t count, loff_t *ppos)
-{
- struct edm_buf_info *bi = file->private_data;
-
- return simple_read_from_buffer(buffer, count, ppos, bi->data, bi->len);
-}
-
-static const struct file_operations pvr_dbg_edm_fops = {
- .owner = THIS_MODULE,
- .open = pvr_dbg_edm_open,
- .read = pvr_dbg_edm_read,
- .release = pvr_dbg_edm_release,
-};
-
-static int pvr_init_debugfs(void)
-{
- debugfs_dir = debugfs_create_dir("pvr", NULL);
- if (!debugfs_dir)
- return -ENODEV;
-
- if (!debugfs_create_file("reset_sgx", S_IWUGO, debugfs_dir, &pvr_reset,
- &pvr_dbg_fops)) {
- debugfs_remove(debugfs_dir);
- return -ENODEV;
- }
-
- if (!debugfs_create_file("edm_trace", S_IRUGO, debugfs_dir, NULL,
- &pvr_dbg_edm_fops)) {
- debugfs_remove_recursive(debugfs_dir);
- return -ENODEV;
- }
-
- return 0;
-}
-
-static void pvr_cleanup_debugfs(void)
-{
- debugfs_remove_recursive(debugfs_dir);
-}
-
-#else /* !CONFIG_DEBUG_FS */
-
-static int pvr_init_debugfs(void)
-{
- return 0;
-}
-
-static void pvr_cleanup_debugfs(void) { }
-
-#endif
-
void pvr_dbg_init(void)
{
#if defined(CONFIG_PVR_DEBUG) || defined(TIMING)
mutex_init(&gsDebugMutexNonIRQ);
#endif
- pvr_init_debugfs();
}
void pvr_dbg_cleanup(void)
{
- pvr_cleanup_debugfs();
+
}
#endif /* CONFIG_PVR_DEBUG */
-#if defined(CONFIG_PVR_DEBUG) || defined(TIMING) || defined(CONFIG_DEBUG_FS)
+#if defined(CONFIG_PVR_DEBUG) || defined(TIMING)
void pvr_dbg_init(void);
void pvr_dbg_cleanup(void);
--- /dev/null
+/*
+ * Copyright (c) 2010-2011 Imre Deak <imre.deak@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ *
+ * Debugfs interface living in pvr/ subdirectory.
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/debugfs.h>
+#include <linux/vmalloc.h>
+
+#include "img_types.h"
+#include "servicesext.h"
+#include "services.h"
+#include "sgxinfokm.h"
+#include "syscommon.h"
+#include "pvr_bridge_km.h"
+#include "sgxutils.h"
+#include "pvr_debugfs.h"
+
+static struct dentry *debugfs_dir;
+static u32 pvr_reset;
+
+/*
+ *
+ */
+static struct PVRSRV_DEVICE_NODE *get_sgx_node(void)
+{
+ struct SYS_DATA *sysdata;
+ struct PVRSRV_DEVICE_NODE *node;
+
+ if (SysAcquireData(&sysdata) != PVRSRV_OK)
+ return NULL;
+
+ for (node = sysdata->psDeviceNodeList; node; node = node->psNext)
+ if (node->sDevId.eDeviceType == PVRSRV_DEVICE_TYPE_SGX)
+ break;
+
+ return node;
+}
+
+static int pvr_debugfs_reset(void *data, u64 val)
+{
+ struct PVRSRV_DEVICE_NODE *node;
+ enum PVRSRV_ERROR err;
+ int r = 0;
+
+ if (val != 1)
+ return 0;
+
+ pvr_lock();
+
+ if (pvr_is_disabled()) {
+ r = -ENODEV;
+ goto exit;
+ }
+
+ node = get_sgx_node();
+ if (!node) {
+ r = -ENODEV;
+ goto exit;
+ }
+
+ err = PVRSRVSetDevicePowerStateKM(node->sDevId.ui32DeviceIndex,
+ PVRSRV_POWER_STATE_D0);
+ if (err != PVRSRV_OK) {
+ r = -EIO;
+ goto exit;
+ }
+
+ HWRecoveryResetSGX(node);
+
+ SGXTestActivePowerEvent(node);
+exit:
+ pvr_unlock();
+
+ return r;
+}
+
+static int pvr_debugfs_set(void *data, u64 val)
+{
+ u32 *var = data;
+
+ if (var == &pvr_reset)
+ return pvr_debugfs_reset(data, val);
+
+ BUG();
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(pvr_debugfs_fops, NULL, pvr_debugfs_set, "%llu\n");
+
+/*
+ *
+ */
+struct edm_buf_info {
+ size_t len;
+ char data[1];
+};
+
+static int pvr_debugfs_edm_open(struct inode *inode, struct file *file)
+{
+ struct PVRSRV_DEVICE_NODE *node;
+ struct PVRSRV_SGXDEV_INFO *sgx_info;
+ struct edm_buf_info *bi;
+ size_t size;
+
+ /* Take a snapshot of the EDM trace buffer */
+ size = SGXMK_TRACE_BUFFER_SIZE * SGXMK_TRACE_BUF_STR_LEN;
+ bi = vmalloc(sizeof(*bi) + size);
+ if (!bi)
+ return -ENOMEM;
+
+ node = get_sgx_node();
+ sgx_info = node->pvDevice;
+ bi->len = snprint_edm_trace(sgx_info, bi->data, size);
+ file->private_data = bi;
+
+ return 0;
+}
+
+static int pvr_debugfs_edm_release(struct inode *inode, struct file *file)
+{
+ vfree(file->private_data);
+
+ return 0;
+}
+
+static ssize_t pvr_debugfs_edm_read(struct file *file, char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ struct edm_buf_info *bi = file->private_data;
+
+ return simple_read_from_buffer(buffer, count, ppos, bi->data, bi->len);
+}
+
+static const struct file_operations pvr_debugfs_edm_fops = {
+ .owner = THIS_MODULE,
+ .open = pvr_debugfs_edm_open,
+ .read = pvr_debugfs_edm_read,
+ .release = pvr_debugfs_edm_release,
+};
+
+
+/*
+ *
+ */
+int pvr_debugfs_init(void)
+{
+ debugfs_dir = debugfs_create_dir("pvr", NULL);
+ if (!debugfs_dir)
+ return -ENODEV;
+
+ if (!debugfs_create_file("reset_sgx", S_IWUSR, debugfs_dir, &pvr_reset,
+ &pvr_debugfs_fops)) {
+ debugfs_remove(debugfs_dir);
+ return -ENODEV;
+ }
+
+ if (!debugfs_create_file("edm_trace", S_IRUGO, debugfs_dir, NULL,
+ &pvr_debugfs_edm_fops)) {
+ debugfs_remove_recursive(debugfs_dir);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+void pvr_debugfs_cleanup(void)
+{
+ debugfs_remove_recursive(debugfs_dir);
+}
--- /dev/null
+/*
+ * Copyright (c) 2010-2011 Imre Deak <imre.deak@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _PVR_DEBUGFS_H_
+#define _PVR_DEBUGFS_H_ 1
+
+#ifndef CONFIG_DEBUG_FS
+#error Error: debugfs header included but CONFIG_DEBUG_FS is not defined!
+#endif
+
+int pvr_debugfs_init(void);
+void pvr_debugfs_cleanup(void);
+
+#endif /* _PVR_DEBUGFS_H_ */
git.openpandora.org / sgx.git / commitdiff