From: Thiago Jung Bauermann <bauerman@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Anshuman Khandual <anshuman.linux@gmail.com>,
Alexey Kardashevskiy <aik@ozlabs.ru>,
Mike Anderson <andmike@linux.ibm.com>,
Ram Pai <linuxram@us.ibm.com>,
linux-kernel@vger.kernel.org,
Claudio Carvalho <cclaudio@linux.ibm.com>,
Paul Mackerras <paulus@samba.org>, Christoph Hellwig <hch@lst.de>,
Thiago Jung Bauermann <bauerman@linux.ibm.com>
Subject: [PATCH 01/12] powerpc/pseries: Introduce option to build secure virtual machines
Date: Tue, 21 May 2019 01:49:01 -0300 [thread overview]
Message-ID: <20190521044912.1375-2-bauerman@linux.ibm.com> (raw)
In-Reply-To: <20190521044912.1375-1-bauerman@linux.ibm.com>
Introduce CONFIG_PPC_SVM to control support for secure guests and include
Ultravisor-related helpers when it is selected
Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
---
arch/powerpc/include/asm/ultravisor.h | 2 +-
arch/powerpc/kernel/Makefile | 4 +++-
arch/powerpc/platforms/pseries/Kconfig | 12 ++++++++++++
3 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/include/asm/ultravisor.h b/arch/powerpc/include/asm/ultravisor.h
index 4ffec7a36acd..09e0a615d96f 100644
--- a/arch/powerpc/include/asm/ultravisor.h
+++ b/arch/powerpc/include/asm/ultravisor.h
@@ -28,7 +28,7 @@ extern int early_init_dt_scan_ultravisor(unsigned long node, const char *uname,
* This call supports up to 6 arguments and 4 return arguments. Use
* UCALL_BUFSIZE to size the return argument buffer.
*/
-#if defined(CONFIG_PPC_UV)
+#if defined(CONFIG_PPC_UV) || defined(CONFIG_PPC_SVM)
long ucall(unsigned long opcode, unsigned long *retbuf, ...);
#else
static long ucall(unsigned long opcode, unsigned long *retbuf, ...)
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 43ff4546e469..1e9b721634c8 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -154,7 +154,9 @@ endif
obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o
obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o
-obj-$(CONFIG_PPC_UV) += ultravisor.o ucall.o
+ifneq ($(CONFIG_PPC_UV)$(CONFIG_PPC_SVM),)
+obj-y += ultravisor.o ucall.o
+endif
# Disable GCOV, KCOV & sanitizers in odd or sensitive code
GCOV_PROFILE_prom_init.o := n
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index 9c6b3d860518..82c16aa4f1ce 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -144,3 +144,15 @@ config PAPR_SCM
tristate "Support for the PAPR Storage Class Memory interface"
help
Enable access to hypervisor provided storage class memory.
+
+config PPC_SVM
+ bool "Secure virtual machine (SVM) support for POWER"
+ depends on PPC_PSERIES
+ default n
+ help
+ Support secure guests on POWER. There are certain POWER platforms which
+ support secure guests using the Protected Execution Facility, with the
+ help of an Ultravisor executing below the hypervisor layer. This
+ enables the support for those guests.
+
+ If unsure, say "N".
WARNING: multiple messages have this Message-ID (diff)
From: Thiago Jung Bauermann <bauerman@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org,
Alexey Kardashevskiy <aik@ozlabs.ru>,
Anshuman Khandual <anshuman.linux@gmail.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Christoph Hellwig <hch@lst.de>,
Michael Ellerman <mpe@ellerman.id.au>,
Mike Anderson <andmike@linux.ibm.com>,
Paul Mackerras <paulus@samba.org>, Ram Pai <linuxram@us.ibm.com>,
Claudio Carvalho <cclaudio@linux.ibm.com>,
Thiago Jung Bauermann <bauerman@linux.ibm.com>
Subject: [PATCH 01/12] powerpc/pseries: Introduce option to build secure virtual machines
Date: Tue, 21 May 2019 01:49:01 -0300 [thread overview]
Message-ID: <20190521044912.1375-2-bauerman@linux.ibm.com> (raw)
In-Reply-To: <20190521044912.1375-1-bauerman@linux.ibm.com>
Introduce CONFIG_PPC_SVM to control support for secure guests and include
Ultravisor-related helpers when it is selected
Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com>
---
arch/powerpc/include/asm/ultravisor.h | 2 +-
arch/powerpc/kernel/Makefile | 4 +++-
arch/powerpc/platforms/pseries/Kconfig | 12 ++++++++++++
3 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/include/asm/ultravisor.h b/arch/powerpc/include/asm/ultravisor.h
index 4ffec7a36acd..09e0a615d96f 100644
--- a/arch/powerpc/include/asm/ultravisor.h
+++ b/arch/powerpc/include/asm/ultravisor.h
@@ -28,7 +28,7 @@ extern int early_init_dt_scan_ultravisor(unsigned long node, const char *uname,
* This call supports up to 6 arguments and 4 return arguments. Use
* UCALL_BUFSIZE to size the return argument buffer.
*/
-#if defined(CONFIG_PPC_UV)
+#if defined(CONFIG_PPC_UV) || defined(CONFIG_PPC_SVM)
long ucall(unsigned long opcode, unsigned long *retbuf, ...);
#else
static long ucall(unsigned long opcode, unsigned long *retbuf, ...)
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 43ff4546e469..1e9b721634c8 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -154,7 +154,9 @@ endif
obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o
obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o
-obj-$(CONFIG_PPC_UV) += ultravisor.o ucall.o
+ifneq ($(CONFIG_PPC_UV)$(CONFIG_PPC_SVM),)
+obj-y += ultravisor.o ucall.o
+endif
# Disable GCOV, KCOV & sanitizers in odd or sensitive code
GCOV_PROFILE_prom_init.o := n
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index 9c6b3d860518..82c16aa4f1ce 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -144,3 +144,15 @@ config PAPR_SCM
tristate "Support for the PAPR Storage Class Memory interface"
help
Enable access to hypervisor provided storage class memory.
+
+config PPC_SVM
+ bool "Secure virtual machine (SVM) support for POWER"
+ depends on PPC_PSERIES
+ default n
+ help
+ Support secure guests on POWER. There are certain POWER platforms which
+ support secure guests using the Protected Execution Facility, with the
+ help of an Ultravisor executing below the hypervisor layer. This
+ enables the support for those guests.
+
+ If unsure, say "N".
next prev parent reply other threads:[~2019-05-21 4:54 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-21 4:49 [PATCH 00/12] Secure Virtual Machine Enablement Thiago Jung Bauermann
2019-05-21 4:49 ` Thiago Jung Bauermann
2019-05-21 4:49 ` Thiago Jung Bauermann [this message]
2019-05-21 4:49 ` [PATCH 01/12] powerpc/pseries: Introduce option to build secure virtual machines Thiago Jung Bauermann
2019-05-21 4:49 ` [RFC PATCH 02/12] powerpc: Add support for adding an ESM blob to the zImage wrapper Thiago Jung Bauermann
2019-05-21 4:49 ` Thiago Jung Bauermann
2019-05-21 5:13 ` Christoph Hellwig
2019-05-21 5:13 ` Christoph Hellwig
2019-05-21 15:09 ` Ram Pai
2019-05-21 15:09 ` Ram Pai
2019-05-21 23:15 ` Paul Mackerras
2019-05-21 23:15 ` Paul Mackerras
2019-05-21 4:49 ` [RFC PATCH 03/12] powerpc/prom_init: Add the ESM call to prom_init Thiago Jung Bauermann
2019-05-21 4:49 ` Thiago Jung Bauermann
2019-06-26 7:44 ` Alexey Kardashevskiy
2019-06-26 7:44 ` Alexey Kardashevskiy
2019-06-28 22:33 ` Thiago Jung Bauermann
2019-06-28 22:33 ` Thiago Jung Bauermann
2019-07-01 3:13 ` Alexey Kardashevskiy
2019-07-01 3:13 ` Alexey Kardashevskiy
2019-05-21 4:49 ` [PATCH 04/12] powerpc/pseries/svm: Add helpers for UV_SHARE_PAGE and UV_UNSHARE_PAGE Thiago Jung Bauermann
2019-05-21 4:49 ` Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 05/12] powerpc/pseries: Add and use LPPACA_SIZE constant Thiago Jung Bauermann
2019-05-21 4:49 ` Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 06/12] powerpc/pseries/svm: Use shared memory for LPPACA structures Thiago Jung Bauermann
2019-05-21 4:49 ` Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 07/12] powerpc/pseries/svm: Use shared memory for Debug Trace Log (DTL) Thiago Jung Bauermann
2019-05-21 4:49 ` Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 08/12] powerpc/pseries/svm: Export guest SVM status to user space via sysfs Thiago Jung Bauermann
2019-05-21 4:49 ` Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 09/12] powerpc/pseries/svm: Disable doorbells in SVM guests Thiago Jung Bauermann
2019-05-21 4:49 ` Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 10/12] powerpc/pseries/iommu: Don't use dma_iommu_ops on secure guests Thiago Jung Bauermann
2019-05-21 4:49 ` Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 11/12] powerpc/pseries/svm: Force SWIOTLB for " Thiago Jung Bauermann
2019-05-21 4:49 ` Thiago Jung Bauermann
2019-05-21 5:15 ` Christoph Hellwig
2019-05-21 5:15 ` Christoph Hellwig
2019-05-23 5:15 ` Thiago Jung Bauermann
2019-05-23 5:15 ` Thiago Jung Bauermann
2019-05-21 4:49 ` [PATCH 12/12] powerpc/configs: Enable secure guest support in pseries and ppc64 defconfigs Thiago Jung Bauermann
2019-05-21 4:49 ` Thiago Jung Bauermann
2019-06-07 14:47 ` [RFC PATCH 1/1] powerpc/pseries/svm: Unshare all pages before kexecing a new kernel Ram Pai
2019-06-07 14:47 ` Ram Pai
2019-06-01 17:11 ` [PATCH 00/12] Secure Virtual Machine Enablement Thiago Jung Bauermann
2019-06-01 17:11 ` Thiago Jung Bauermann
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