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 v4 02/16] powerpc/pseries: Introduce option to build secure virtual machines
Date: Mon, 19 Aug 2019 23:13:12 -0300 [thread overview]
Message-ID: <20190820021326.6884-3-bauerman@linux.ibm.com> (raw)
In-Reply-To: <20190820021326.6884-1-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/asm-prototypes.h | 2 +-
arch/powerpc/kernel/Makefile | 4 +++-
arch/powerpc/platforms/pseries/Kconfig | 11 +++++++++++
3 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h
index e698f48cbc6d..49196d35e3bb 100644
--- a/arch/powerpc/include/asm/asm-prototypes.h
+++ b/arch/powerpc/include/asm/asm-prototypes.h
@@ -36,7 +36,7 @@ void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
/* Ultravisor */
-#ifdef CONFIG_PPC_POWERNV
+#if defined(CONFIG_PPC_POWERNV) || defined(CONFIG_PPC_SVM)
long ucall_norets(unsigned long opcode, ...);
#else
static inline long ucall_norets(unsigned long opcode, ...)
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index c6c4ea240b2a..ba379dfb8b83 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -156,7 +156,9 @@ endif
obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o
obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o
-obj-$(CONFIG_PPC_POWERNV) += ucall.o
+ifneq ($(CONFIG_PPC_POWERNV)$(CONFIG_PPC_SVM),)
+obj-y += 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 f7b484f55553..d09deb05bb66 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -145,3 +145,14 @@ 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
+ help
+ 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 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: 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 v4 02/16] powerpc/pseries: Introduce option to build secure virtual machines
Date: Mon, 19 Aug 2019 23:13:12 -0300 [thread overview]
Message-ID: <20190820021326.6884-3-bauerman@linux.ibm.com> (raw)
In-Reply-To: <20190820021326.6884-1-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/asm-prototypes.h | 2 +-
arch/powerpc/kernel/Makefile | 4 +++-
arch/powerpc/platforms/pseries/Kconfig | 11 +++++++++++
3 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h
index e698f48cbc6d..49196d35e3bb 100644
--- a/arch/powerpc/include/asm/asm-prototypes.h
+++ b/arch/powerpc/include/asm/asm-prototypes.h
@@ -36,7 +36,7 @@ void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
/* Ultravisor */
-#ifdef CONFIG_PPC_POWERNV
+#if defined(CONFIG_PPC_POWERNV) || defined(CONFIG_PPC_SVM)
long ucall_norets(unsigned long opcode, ...);
#else
static inline long ucall_norets(unsigned long opcode, ...)
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index c6c4ea240b2a..ba379dfb8b83 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -156,7 +156,9 @@ endif
obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o
obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o
-obj-$(CONFIG_PPC_POWERNV) += ucall.o
+ifneq ($(CONFIG_PPC_POWERNV)$(CONFIG_PPC_SVM),)
+obj-y += 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 f7b484f55553..d09deb05bb66 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -145,3 +145,14 @@ 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
+ help
+ 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 support for
+ those guests.
+
+ If unsure, say "N".
next prev parent reply other threads:[~2019-08-20 2:14 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-20 2:13 [PATCH v4 00/16] Secure Virtual Machine Enablement Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 01/16] powerpc/kernel: Add ucall_norets() ultravisor call handler Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann [this message]
2019-08-20 2:13 ` [PATCH v4 02/16] powerpc/pseries: Introduce option to build secure virtual machines Thiago Jung Bauermann
2019-09-02 3:29 ` Michael Ellerman
2019-09-03 18:53 ` Thiago Jung Bauermann
2019-09-03 18:53 ` Thiago Jung Bauermann
2019-09-05 4:03 ` Michael Ellerman
2019-09-05 4:03 ` Michael Ellerman
2019-09-05 16:06 ` Thiago Jung Bauermann
2019-09-05 16:06 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 03/16] powerpc: Add support for adding an ESM blob to the zImage wrapper Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 04/16] powerpc/prom_init: Add the ESM call to prom_init Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 05/16] powerpc/pseries/svm: Add helpers for UV_SHARE_PAGE and UV_UNSHARE_PAGE Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 06/16] powerpc: Introduce the MSR_S bit Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 07/16] powerpc/pseries: Add and use LPPACA_SIZE constant Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 08/16] powerpc/pseries/svm: Use shared memory for LPPACA structures Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 09/16] powerpc/pseries/svm: Use shared memory for Debug Trace Log (DTL) Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 10/16] powerpc/pseries/svm: Unshare all pages before kexecing a new kernel Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [RFC PATCH v4 11/16] powerpc/pseries/svm: Export guest SVM status to user space via sysfs Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 12/16] powerpc/pseries/svm: Disable doorbells in SVM guests Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 13/16] powerpc/pseries/iommu: Don't use dma_iommu_ops on secure guests Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 14/16] powerpc/pseries/svm: Force SWIOTLB for " Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 15/16] Documentation/powerpc: Ultravisor API Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
2019-08-20 2:13 ` [PATCH v4 16/16] powerpc/configs: Enable secure guest support in pseries and ppc64 defconfigs Thiago Jung Bauermann
2019-08-20 2:13 ` Thiago Jung Bauermann
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190820021326.6884-3-bauerman@linux.ibm.com \
--to=bauerman@linux.ibm.com \
--cc=aik@ozlabs.ru \
--cc=andmike@linux.ibm.com \
--cc=anshuman.linux@gmail.com \
--cc=benh@kernel.crashing.org \
--cc=cclaudio@linux.ibm.com \
--cc=hch@lst.de \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=linuxram@us.ibm.com \
--cc=mpe@ellerman.id.au \
--cc=paulus@samba.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.