2024-05-27 15:30:31

by Mario Limonciello

[permalink] [raw]
Subject: [PATCH 2/5] crypto: ccp: Move security attributes to their own file

To prepare for other code that will manipulate security attributes
move the handling code out of sp-pci.c. No intended functional changes.

Signed-off-by: Mario Limonciello <[email protected]>
---
MAINTAINERS | 6 ++++
drivers/crypto/ccp/Makefile | 3 +-
drivers/crypto/ccp/hsti.c | 68 ++++++++++++++++++++++++++++++++++++
drivers/crypto/ccp/hsti.h | 15 ++++++++
drivers/crypto/ccp/psp-dev.c | 1 +
drivers/crypto/ccp/sp-pci.c | 56 +----------------------------
6 files changed, 93 insertions(+), 56 deletions(-)
create mode 100644 drivers/crypto/ccp/hsti.c
create mode 100644 drivers/crypto/ccp/hsti.h

diff --git a/MAINTAINERS b/MAINTAINERS
index d6c90161c7bf..883fb3b246b6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -991,6 +991,12 @@ F: include/uapi/linux/psp-dbc.h
F: tools/crypto/ccp/*.c
F: tools/crypto/ccp/*.py

+AMD CRYPTOGRAPHIC COPROCESSOR (CCP) DRIVER - HSTI SUPPORT
+M: Mario Limonciello <[email protected]>
+L: [email protected]
+S: Supported
+F: drivers/crypto/ccp/hsti.*
+
AMD DISPLAY CORE
M: Harry Wentland <[email protected]>
M: Leo Li <[email protected]>
diff --git a/drivers/crypto/ccp/Makefile b/drivers/crypto/ccp/Makefile
index aa0ba2d17e1e..394484929dae 100644
--- a/drivers/crypto/ccp/Makefile
+++ b/drivers/crypto/ccp/Makefile
@@ -12,7 +12,8 @@ ccp-$(CONFIG_CRYPTO_DEV_SP_PSP) += psp-dev.o \
sev-dev.o \
tee-dev.o \
platform-access.o \
- dbc.o
+ dbc.o \
+ hsti.o

obj-$(CONFIG_CRYPTO_DEV_CCP_CRYPTO) += ccp-crypto.o
ccp-crypto-objs := ccp-crypto-main.o \
diff --git a/drivers/crypto/ccp/hsti.c b/drivers/crypto/ccp/hsti.c
new file mode 100644
index 000000000000..076c1d175b2b
--- /dev/null
+++ b/drivers/crypto/ccp/hsti.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * AMD Secure Processor device driver, security attributes
+ *
+ * Copyright (C) 2023-2024 Advanced Micro Devices, Inc.
+ *
+ * Author: Mario Limonciello <[email protected]>
+ */
+
+#include <linux/device.h>
+
+#include "psp-dev.h"
+#include "hsti.h"
+
+#define security_attribute_show(name) \
+static ssize_t name##_show(struct device *d, struct device_attribute *attr, \
+ char *buf) \
+{ \
+ struct sp_device *sp = dev_get_drvdata(d); \
+ struct psp_device *psp = sp->psp_data; \
+ return sysfs_emit(buf, "%d\n", psp->capability.name); \
+}
+
+security_attribute_show(fused_part)
+static DEVICE_ATTR_RO(fused_part);
+security_attribute_show(debug_lock_on)
+static DEVICE_ATTR_RO(debug_lock_on);
+security_attribute_show(tsme_status)
+static DEVICE_ATTR_RO(tsme_status);
+security_attribute_show(anti_rollback_status)
+static DEVICE_ATTR_RO(anti_rollback_status);
+security_attribute_show(rpmc_production_enabled)
+static DEVICE_ATTR_RO(rpmc_production_enabled);
+security_attribute_show(rpmc_spirom_available)
+static DEVICE_ATTR_RO(rpmc_spirom_available);
+security_attribute_show(hsp_tpm_available)
+static DEVICE_ATTR_RO(hsp_tpm_available);
+security_attribute_show(rom_armor_enforced)
+static DEVICE_ATTR_RO(rom_armor_enforced);
+
+static struct attribute *psp_security_attrs[] = {
+ &dev_attr_fused_part.attr,
+ &dev_attr_debug_lock_on.attr,
+ &dev_attr_tsme_status.attr,
+ &dev_attr_anti_rollback_status.attr,
+ &dev_attr_rpmc_production_enabled.attr,
+ &dev_attr_rpmc_spirom_available.attr,
+ &dev_attr_hsp_tpm_available.attr,
+ &dev_attr_rom_armor_enforced.attr,
+ NULL
+};
+
+static umode_t psp_security_is_visible(struct kobject *kobj, struct attribute *attr, int idx)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct sp_device *sp = dev_get_drvdata(dev);
+ struct psp_device *psp = sp->psp_data;
+
+ if (psp && psp->capability.security_reporting)
+ return 0444;
+
+ return 0;
+}
+
+struct attribute_group psp_security_attr_group = {
+ .attrs = psp_security_attrs,
+ .is_visible = psp_security_is_visible,
+};
diff --git a/drivers/crypto/ccp/hsti.h b/drivers/crypto/ccp/hsti.h
new file mode 100644
index 000000000000..e5c5ceab9973
--- /dev/null
+++ b/drivers/crypto/ccp/hsti.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * AMD Secure Processor device driver, security attributes
+ *
+ * Copyright (C) 2023-2024 Advanced Micro Devices, Inc.
+ *
+ * Author: Mario Limonciello <[email protected]>
+ */
+
+#ifndef __HSTI_H
+#define __HSTI_H
+
+extern struct attribute_group psp_security_attr_group;
+
+#endif /* __HSTI_H */
diff --git a/drivers/crypto/ccp/psp-dev.c b/drivers/crypto/ccp/psp-dev.c
index 7d9d2042be35..1a7b991c27f7 100644
--- a/drivers/crypto/ccp/psp-dev.c
+++ b/drivers/crypto/ccp/psp-dev.c
@@ -19,6 +19,7 @@
#include "tee-dev.h"
#include "platform-access.h"
#include "dbc.h"
+#include "hsti.h"

struct psp_device *psp_master;

diff --git a/drivers/crypto/ccp/sp-pci.c b/drivers/crypto/ccp/sp-pci.c
index b57392292af1..2db46736a4d7 100644
--- a/drivers/crypto/ccp/sp-pci.c
+++ b/drivers/crypto/ccp/sp-pci.c
@@ -24,6 +24,7 @@

#include "ccp-dev.h"
#include "psp-dev.h"
+#include "hsti.h"

/* used for version string AA.BB.CC.DD */
#define AA GENMASK(31, 24)
@@ -39,61 +40,6 @@ struct sp_pci {
};
static struct sp_device *sp_dev_master;

-#define security_attribute_show(name) \
-static ssize_t name##_show(struct device *d, struct device_attribute *attr, \
- char *buf) \
-{ \
- struct sp_device *sp = dev_get_drvdata(d); \
- struct psp_device *psp = sp->psp_data; \
- return sysfs_emit(buf, "%d\n", psp->capability.name); \
-}
-
-security_attribute_show(fused_part)
-static DEVICE_ATTR_RO(fused_part);
-security_attribute_show(debug_lock_on)
-static DEVICE_ATTR_RO(debug_lock_on);
-security_attribute_show(tsme_status)
-static DEVICE_ATTR_RO(tsme_status);
-security_attribute_show(anti_rollback_status)
-static DEVICE_ATTR_RO(anti_rollback_status);
-security_attribute_show(rpmc_production_enabled)
-static DEVICE_ATTR_RO(rpmc_production_enabled);
-security_attribute_show(rpmc_spirom_available)
-static DEVICE_ATTR_RO(rpmc_spirom_available);
-security_attribute_show(hsp_tpm_available)
-static DEVICE_ATTR_RO(hsp_tpm_available);
-security_attribute_show(rom_armor_enforced)
-static DEVICE_ATTR_RO(rom_armor_enforced);
-
-static struct attribute *psp_security_attrs[] = {
- &dev_attr_fused_part.attr,
- &dev_attr_debug_lock_on.attr,
- &dev_attr_tsme_status.attr,
- &dev_attr_anti_rollback_status.attr,
- &dev_attr_rpmc_production_enabled.attr,
- &dev_attr_rpmc_spirom_available.attr,
- &dev_attr_hsp_tpm_available.attr,
- &dev_attr_rom_armor_enforced.attr,
- NULL
-};
-
-static umode_t psp_security_is_visible(struct kobject *kobj, struct attribute *attr, int idx)
-{
- struct device *dev = kobj_to_dev(kobj);
- struct sp_device *sp = dev_get_drvdata(dev);
- struct psp_device *psp = sp->psp_data;
-
- if (psp && psp->capability.security_reporting)
- return 0444;
-
- return 0;
-}
-
-static struct attribute_group psp_security_attr_group = {
- .attrs = psp_security_attrs,
- .is_visible = psp_security_is_visible,
-};
-
#define version_attribute_show(name, _offset) \
static ssize_t name##_show(struct device *d, struct device_attribute *attr, \
char *buf) \
--
2.43.0



2024-05-28 15:30:31

by Tom Lendacky

[permalink] [raw]
Subject: Re: [PATCH 2/5] crypto: ccp: Move security attributes to their own file



On 5/27/24 10:26, Mario Limonciello wrote:
> To prepare for other code that will manipulate security attributes
> move the handling code out of sp-pci.c. No intended functional changes.
>
> Signed-off-by: Mario Limonciello <[email protected]>

Acked-by: Tom Lendacky <[email protected]>

> ---

2024-05-28 20:14:49

by kernel test robot

[permalink] [raw]
Subject: Re: [PATCH 2/5] crypto: ccp: Move security attributes to their own file

Hi Mario,

kernel test robot noticed the following build errors:

[auto build test ERROR on herbert-cryptodev-2.6/master]
[also build test ERROR on herbert-crypto-2.6/master linus/master v6.10-rc1 next-20240528]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Mario-Limonciello/crypto-ccp-Represent-capabilities-register-as-a-union/20240527-233301
base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master
patch link: https://lore.kernel.org/r/20240527152649.3722-3-mario.limonciello%40amd.com
patch subject: [PATCH 2/5] crypto: ccp: Move security attributes to their own file
config: x86_64-randconfig-015-20240528 (https://download.01.org/0day-ci/archive/20240529/[email protected]/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240529/[email protected]/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All errors (new ones prefixed by >>, old ones prefixed by <<):

WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_managed_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_mm_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_modes_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_plane_helper_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_probe_helper_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tests/drm_rect_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/panel/panel-abt-y030xx067a.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/panel/panel-innolux-ej030na.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/panel/panel-newvision-nv3052c.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/panel/panel-novatek-nt39016.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/bridge/lontium-lt9611.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/bridge/lontium-lt9611uxc.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/bridge/sii9234.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/tiny/bochs.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/gud/gud.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/drm_panel_orientation_quirks.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/drm_mipi_dbi.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpu/drm/udl/udl.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/base/regmap/regmap-i2c.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/base/regmap/regmap-w1.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mfd/pcf50633-gpio.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mfd/rt4831.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mfd/qcom-pm8008.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dax/dax.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/cxl/core/cxl_core.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/cxl/cxl_pci.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/cxl/cxl_mem.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/cxl/cxl_port.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/mtd/chips/cfi_util.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/firewire/firewire-uapi-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/auxdisplay/line-display.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/misc/ezusb.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/misc/isight_firmware.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/mon/usbmon.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/class/usbtmc.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/chipidea/ci_hdrc_msm.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/libcomposite.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_ss_lb.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/u_ether.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_ncm.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_ecm.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_ecm_subset.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_uac1_legacy.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_uac2.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_midi.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_hid.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/function/usb_f_printer.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/legacy/g_zero.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/usb/gadget/legacy/g_midi.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/input/tests/input_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/rtc/lib_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/i2c/busses/i2c-ccgx-ucsi.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/i2c/busses/i2c-ali1563.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/tuners/tda9887.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/media/pci/ttpci/budget-core.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/crypto/atmel-sha204a.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/of/of_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/fbtft/fbtft.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-spilib.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-light.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-log.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-loopback.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-power-supply.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-raw.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-vibrator.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-gbphy.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-gpio.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-pwm.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-spi.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-usb.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/chrome/cros_kunit_proto_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hwtracing/intel_th/intel_th_msu_sink.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/nvmem/nvmem_u-boot-env.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/fsi/fsi-master-gpio.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/hwmon/mr75203.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/greybus/greybus.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/core/sound_kunit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/codecs/snd-soc-sigmadsp.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/codecs/snd-soc-wm-adsp.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/amd/renoir/snd-acp3x-rn.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/amd/yc/snd-soc-acp6x-mach.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/sof/intel/snd-sof-intel-hda-common.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/sof/intel/snd-sof-pci-intel-apl.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/sof/intel/snd-sof-pci-intel-cnl.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/sof/intel/snd-sof-pci-intel-tgl.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/sof/intel/snd-sof-pci-intel-lnl.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/sof/snd-sof-utils.o
WARNING: modpost: missing MODULE_DESCRIPTION() in sound/soc/sof/snd-sof-pci.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/vfio-mdev/mtty.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/vfio-mdev/mbochs.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/configfs/configfs_sample.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/kfifo/bytestream-example.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/kfifo/dma-example.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/kfifo/inttype-example.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/kfifo/record-example.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/kobject/kobject-example.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/kobject/kset-example.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/kprobes/kprobe_example.o
WARNING: modpost: missing MODULE_DESCRIPTION() in samples/kmemleak/kmemleak-test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/x86/video/fbdev.o
>> ERROR: modpost: "psp_security_attr_group" [drivers/crypto/ccp/ccp.ko] undefined!

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki