TXT driver is expected to be a better tool to access below resources:
TXT config space, TXT heap, TXT log and SMX parameter.
Signed-off-by: Qiaowei Ren <qiaowei....@intel.com>
Signed-off-by: Xiaoyan Zhang <xiaoyan.zh...@intel.com>
Signed-off-by: Gang Wei <gang....@intel.com>
---
drivers/char/Kconfig | 2 ++
drivers/char/Makefile | 1 +
drivers/char/txt/Kconfig | 18 ++++++++++++++++++
drivers/char/txt/Makefile | 5 +++++
drivers/char/txt/txt-sysfs.c | 41 +++++++++++++++++++++++++++++++++++++++++
5 files changed, 67 insertions(+)
create mode 100644 drivers/char/txt/Kconfig
create mode 100644 drivers/char/txt/Makefile
create mode 100644 drivers/char/txt/txt-sysfs.c
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 3bb6fa3..9309e89 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -565,6 +565,8 @@ config UV_MMTIMER
source "drivers/char/tpm/Kconfig"
+source "drivers/char/txt/Kconfig"
+
config TELCLOCK
tristate "Telecom clock driver for ATCA SBC"
depends on X86
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index 7ff1d0d..301d5b4 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -55,6 +55,7 @@ obj-$(CONFIG_PCMCIA) += pcmcia/
obj-$(CONFIG_HANGCHECK_TIMER) += hangcheck-timer.o
obj-$(CONFIG_TCG_TPM) += tpm/
+obj-$(CONFIG_TXT) += txt/
obj-$(CONFIG_PS3_FLASH) += ps3flash.o
diff --git a/drivers/char/txt/Kconfig b/drivers/char/txt/Kconfig
new file mode 100644
index 0000000..2e57ef6
--- /dev/null
+++ b/drivers/char/txt/Kconfig
@@ -0,0 +1,18 @@
+#
+# intel TXT driver configuration
+#
+
+config INTEL_TXT_DRIVER
+ tristate "INTEL TXT sysfs driver"
+ default m
+ depends on INTEL_TXT
+ select SECURITYFS
+ ---help---
+ TXT Driver is expected to be a better tool to access below resources:
+ - TXT config space
+ - TXT heap
+ - Tboot log mem
+ - SMX parameter
+
+ To compile this driver as a module, choose M here; the module will be
+ called txt.
diff --git a/drivers/char/txt/Makefile b/drivers/char/txt/Makefile
new file mode 100644
index 0000000..3148bb8
--- /dev/null
+++ b/drivers/char/txt/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the intel TXT drivers.
+#
+obj-$(CONFIG_TXT) += txt.o
+txt-y := txt-sysfs.o
diff --git a/drivers/char/txt/txt-sysfs.c b/drivers/char/txt/txt-sysfs.c
new file mode 100644
index 0000000..c56bfe3
--- /dev/null
+++ b/drivers/char/txt/txt-sysfs.c
@@ -0,0 +1,41 @@
+/*
+ * txt-sysfs.c
+ *
+ * This module is expected to be a better tool to access below resources
+ * - TXT config space
+ * - TXT heap
+ * - Tboot log mem
+ * - SMX parameter
+ *
+ * Data is currently found below
+ * /sys/devices/platform/txt/...
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/sysfs.h>
+
+#define DEV_NAME "txt"
+struct platform_device *pdev;
+
+static int __init txt_sysfs_init(void)
+{
+ pdev = platform_device_register_simple(DEV_NAME, -1, NULL, 0);
+ if (IS_ERR(pdev))
+ return PTR_ERR(pdev);
+
+ pr_info("Loading TXT module successfully\n");
+ return 0;
+}
+
+static void __exit txt_sysfs_exit(void)
+{
+ platform_device_unregister(pdev);
+ pr_info("Unloading TXT module successfully\n");
+}
+
+module_init(txt_sysfs_init);
+module_exit(txt_sysfs_exit);
+
+MODULE_LICENSE("GPL");
--
1.7.9.5
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
