diff options
| author | Matthew Rosato <mjrosato@linux.ibm.com> | 2022-06-06 16:33:16 -0400 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@linux.ibm.com> | 2022-07-11 09:54:28 +0200 |
| commit | 98b1d33dac5fd09060486762c02fd1a78baeb1e0 (patch) | |
| tree | d497644d8dd17f4d2d4681f109c3d8da434a9b8f /arch/s390/kvm/kvm-s390.c | |
| parent | 6438e30714abd1bf7408356d3e86127d1fb379c0 (diff) | |
KVM: s390: pci: do initial setup for AEN interpretation
Initial setup for Adapter Event Notification Interpretation for zPCI
passthrough devices. Specifically, allocate a structure for forwarding of
adapter events and pass the address of this structure to firmware.
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Link: https://lore.kernel.org/r/20220606203325.110625-13-mjrosato@linux.ibm.com
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 8fcb56141689..251eaaff9c67 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -47,6 +47,7 @@ #include <asm/fpu/api.h> #include "kvm-s390.h" #include "gaccess.h" +#include "pci.h" #define CREATE_TRACE_POINTS #include "trace.h" @@ -502,6 +503,14 @@ int kvm_arch_init(void *opaque) goto out; } + if (kvm_s390_pci_interp_allowed()) { + rc = kvm_s390_pci_init(); + if (rc) { + pr_err("Unable to allocate AIFT for PCI\n"); + goto out; + } + } + rc = kvm_s390_gib_init(GAL_ISC); if (rc) goto out; @@ -516,6 +525,8 @@ out: void kvm_arch_exit(void) { kvm_s390_gib_destroy(); + if (kvm_s390_pci_interp_allowed()) + kvm_s390_pci_exit(); debug_unregister(kvm_s390_dbf); debug_unregister(kvm_s390_dbf_uv); } |