From: Tony Krowiak <akrowiak@linux.ibm.com>
To: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org
Cc: jjherne@linux.ibm.com, freude@linux.ibm.com,
borntraeger@de.ibm.com, cohuck@redhat.com,
mjrosato@linux.ibm.com, pasic@linux.ibm.com,
alex.williamson@redhat.com, kwankhede@nvidia.com,
fiuczy@linux.ibm.com, Janosch Frank <frankja@linux.ibm.com>,
Viktor Mihajlovski <mihajlov@linux.ibm.com>
Subject: [PATCH 11/12] kvm: s390: export kvm_s390_pv*_is_protected functions
Date: Tue, 15 Aug 2023 14:43:32 -0400 [thread overview]
Message-ID: <20230815184333.6554-12-akrowiak@linux.ibm.com> (raw)
In-Reply-To: <20230815184333.6554-1-akrowiak@linux.ibm.com>
Export the kvm_s390_pv_is_protected and kvm_s390_pv_cpu_is_protected
functions so that they can be called from other modules that carry a
GPL-compatible license.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com>
Tested-by: Viktor Mihajlovski <mihajlov@linux.ibm.com>
---
arch/s390/include/asm/kvm_host.h | 3 +++
arch/s390/kvm/kvm-s390.h | 12 ------------
arch/s390/kvm/pv.c | 14 ++++++++++++++
3 files changed, 17 insertions(+), 12 deletions(-)
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 2bbc3d54959d..91bfecb91321 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -1028,6 +1028,9 @@ static inline int sie64a(struct kvm_s390_sie_block *sie_block, u64 *rsa)
extern char sie_exit;
+bool kvm_s390_pv_is_protected(struct kvm *kvm);
+bool kvm_s390_pv_cpu_is_protected(struct kvm_vcpu *vcpu);
+
extern int kvm_s390_gisc_register(struct kvm *kvm, u32 gisc);
extern int kvm_s390_gisc_unregister(struct kvm *kvm, u32 gisc);
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h
index 0261d42c7d01..a7ea80cfa445 100644
--- a/arch/s390/kvm/kvm-s390.h
+++ b/arch/s390/kvm/kvm-s390.h
@@ -270,18 +270,6 @@ static inline u64 kvm_s390_pv_cpu_get_handle(struct kvm_vcpu *vcpu)
return vcpu->arch.pv.handle;
}
-static inline bool kvm_s390_pv_is_protected(struct kvm *kvm)
-{
- lockdep_assert_held(&kvm->lock);
- return !!kvm_s390_pv_get_handle(kvm);
-}
-
-static inline bool kvm_s390_pv_cpu_is_protected(struct kvm_vcpu *vcpu)
-{
- lockdep_assert_held(&vcpu->mutex);
- return !!kvm_s390_pv_cpu_get_handle(vcpu);
-}
-
/* implemented in interrupt.c */
int kvm_s390_handle_wait(struct kvm_vcpu *vcpu);
void kvm_s390_vcpu_wakeup(struct kvm_vcpu *vcpu);
diff --git a/arch/s390/kvm/pv.c b/arch/s390/kvm/pv.c
index bf1fdc7bf89e..8d3f39a8a11e 100644
--- a/arch/s390/kvm/pv.c
+++ b/arch/s390/kvm/pv.c
@@ -18,6 +18,20 @@
#include <linux/mmu_notifier.h>
#include "kvm-s390.h"
+bool kvm_s390_pv_is_protected(struct kvm *kvm)
+{
+ lockdep_assert_held(&kvm->lock);
+ return !!kvm_s390_pv_get_handle(kvm);
+}
+EXPORT_SYMBOL_GPL(kvm_s390_pv_is_protected);
+
+bool kvm_s390_pv_cpu_is_protected(struct kvm_vcpu *vcpu)
+{
+ lockdep_assert_held(&vcpu->mutex);
+ return !!kvm_s390_pv_cpu_get_handle(vcpu);
+}
+EXPORT_SYMBOL_GPL(kvm_s390_pv_cpu_is_protected);
+
/**
* struct pv_vm_to_be_destroyed - Represents a protected VM that needs to
* be destroyed
--
2.39.3
next prev parent reply other threads:[~2023-08-15 18:44 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-15 18:43 [PATCH 00/12] s390/vfio_ap: crypto pass-through for SE guests Tony Krowiak
2023-08-15 18:43 ` [PATCH 01/12] s390/vfio-ap: No need to check the 'E' and 'I' bits in APQSW after TAPQ Tony Krowiak
2023-08-15 18:43 ` [PATCH 02/12] s390/vfio-ap: clean up irq resources if possible Tony Krowiak
2023-08-15 18:43 ` [PATCH 03/12] s390/vfio-ap: wait for response code 05 to clear on queue reset Tony Krowiak
2023-08-15 18:43 ` [PATCH 04/12] s390/vfio-ap: allow deconfigured queue to be passed through to a guest Tony Krowiak
2023-08-15 18:43 ` [PATCH 05/12] s390/vfio-ap: remove upper limit on wait for queue reset to complete Tony Krowiak
2023-08-15 18:43 ` [PATCH 06/12] s390/vfio-ap: store entire AP queue status word with the queue object Tony Krowiak
2023-08-15 18:43 ` [PATCH 07/12] s390/vfio-ap: use work struct to verify queue reset Tony Krowiak
2023-08-15 18:43 ` [PATCH 08/12] s390/vfio-ap: handle queue state change in progress on reset Tony Krowiak
2023-08-15 18:43 ` [PATCH 09/12] s390/vfio-ap: check for TAPQ response codes 0x35 and 0x36 Tony Krowiak
2023-08-15 18:43 ` [PATCH 10/12] s390/uv: export uv_pin_shared for direct usage Tony Krowiak
2023-08-15 18:43 ` Tony Krowiak [this message]
2023-08-15 18:43 ` [PATCH 12/12] s390/vfio-ap: Make sure nib is shared Tony Krowiak
2023-08-16 11:39 ` [PATCH 00/12] s390/vfio_ap: crypto pass-through for SE guests Janosch Frank
2023-08-16 12:12 ` Janosch Frank
2023-08-18 13:35 ` Heiko Carstens
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