[RFC 07/19] KVM: s390: introduce AP matrix configuration interface

Tony Krowiak
2017-10-13T17:38:52Z

This patch introduces a new compilation unit that will contain
all of the data structures and logic for configuring AP adapters,
usage domains and control domains for a KVM guest.

Signed-off-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
---
MAINTAINERS | 2 ++
arch/s390/include/asm/ap-config.h | 12 ++++++++++++
arch/s390/kvm/Makefile | 2 +-
arch/s390/kvm/ap-config.c | 9 +++++++++
4 files changed, 24 insertions(+), 1 deletions(-)
create mode 100644 arch/s390/include/asm/ap-config.h
create mode 100644 arch/s390/kvm/ap-config.c

diff --git a/MAINTAINERS b/MAINTAINERS
index 0c8855a..4de0904 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11721,6 +11721,8 @@ F: drivers/s390/crypto/ap_matrix_bus.c
F: drivers/s390/crypto/vfio_ap_matrix_drv.c
F: drivers/s390/crypto/vfio_ap_matrix_private.h
F: drivers/s390/crypto/vfio_ap_matrix_ops.c
+F: arch/s390/include/asm/kvm/ap-config.h
+F: arch/s390/kvm/ap-config.c

S390 ZFCP DRIVER
M: Steffen Maier <maier@linux.vnet.ibm.com>
diff --git a/arch/s390/include/asm/ap-config.h b/arch/s390/include/asm/ap-config.h
new file mode 100644
index 0000000..8491b5f
--- /dev/null
+++ b/arch/s390/include/asm/ap-config.h
@@ -0,0 +1,12 @@
+/*
+ * Adjunct Processor (AP) configuration management for KVM guests
+ *
+ * Copyright IBM Corp. 2017
+ *
+ * Author(s): Tony Krowiak <akrowia@linux.vnet.ibm.com>
+ */
+
+#ifndef _ASM_KVM_AP_CONFIG_H_
+#define _ASM_KVM_AP_CONFIG_H_
+
+#endif /* _ASM_KVM_AP_CONFIG_H_ */
diff --git a/arch/s390/kvm/Makefile b/arch/s390/kvm/Makefile
index 09a9e6d..0397b9c 100644
--- a/arch/s390/kvm/Makefile
+++ b/arch/s390/kvm/Makefile
@@ -12,6 +12,6 @@ common-objs = $(KVM)/kvm_main.o $(KVM)/eventfd.o $(KVM)/async_pf.o $(KVM)/irqch
ccflags-y := -Ivirt/kvm -Iarch/s390/kvm

kvm-objs := $(common-objs) kvm-s390.o intercept.o interrupt.o priv.o sigp.o
-kvm-objs += diag.o gaccess.o guestdbg.o sthyi.o vsie.o
+kvm-objs += diag.o gaccess.o guestdbg.o sthyi.o vsie.o ap-config.o

obj-$(CONFIG_KVM) += kvm.o
diff --git a/arch/s390/kvm/ap-config.c b/arch/s390/kvm/ap-config.c
new file mode 100644
index 0000000..84fdf43
--- /dev/null
+++ b/arch/s390/kvm/ap-config.c
@@ -0,0 +1,9 @@
+/*
+ * Adjunct Processor (AP) configuration management for KVM guests
+ *
+ * Copyright IBM Corp. 2017
+ *
+ * Author(s): Tony Krowiak <akrowia@linux.vnet.ibm.com>
+ */
+
+#include <asm/ap-config.h>
--
1.7.1