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Diffstat (limited to 'arch/s390/pci/pci.c')
-rw-r--r--arch/s390/pci/pci.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c
index bc980fd313d5..73cdc5539384 100644
--- a/arch/s390/pci/pci.c
+++ b/arch/s390/pci/pci.c
@@ -61,6 +61,12 @@ DEFINE_STATIC_KEY_FALSE(have_mio);
static struct kmem_cache *zdev_fmb_cache;
+/* AEN structures that must be preserved over KVM module re-insertion */
+union zpci_sic_iib *zpci_aipb;
+EXPORT_SYMBOL_GPL(zpci_aipb);
+struct airq_iv *zpci_aif_sbv;
+EXPORT_SYMBOL_GPL(zpci_aif_sbv);
+
struct zpci_dev *get_zdev_by_fid(u32 fid)
{
struct zpci_dev *tmp, *zdev = NULL;
@@ -120,11 +126,13 @@ int zpci_register_ioat(struct zpci_dev *zdev, u8 dmaas,
fib.pba = base;
fib.pal = limit;
fib.iota = iota | ZPCI_IOTA_RTTO_FLAG;
+ fib.gd = zdev->gisa;
cc = zpci_mod_fc(req, &fib, &status);
if (cc)
zpci_dbg(3, "reg ioat fid:%x, cc:%d, status:%d\n", zdev->fid, cc, status);
return cc;
}
+EXPORT_SYMBOL_GPL(zpci_register_ioat);
/* Modify PCI: Unregister I/O address translation parameters */
int zpci_unregister_ioat(struct zpci_dev *zdev, u8 dmaas)
@@ -133,6 +141,8 @@ int zpci_unregister_ioat(struct zpci_dev *zdev, u8 dmaas)
struct zpci_fib fib = {0};
u8 cc, status;
+ fib.gd = zdev->gisa;
+
cc = zpci_mod_fc(req, &fib, &status);
if (cc)
zpci_dbg(3, "unreg ioat fid:%x, cc:%d, status:%d\n", zdev->fid, cc, status);
@@ -160,6 +170,7 @@ int zpci_fmb_enable_device(struct zpci_dev *zdev)
atomic64_set(&zdev->unmapped_pages, 0);
fib.fmb_addr = virt_to_phys(zdev->fmb);
+ fib.gd = zdev->gisa;
cc = zpci_mod_fc(req, &fib, &status);
if (cc) {
kmem_cache_free(zdev_fmb_cache, zdev->fmb);
@@ -178,6 +189,8 @@ int zpci_fmb_disable_device(struct zpci_dev *zdev)
if (!zdev->fmb)
return -EINVAL;
+ fib.gd = zdev->gisa;
+
/* Function measurement is disabled if fmb address is zero */
cc = zpci_mod_fc(req, &fib, &status);
if (cc == 3) /* Function already gone. */
@@ -700,6 +713,7 @@ int zpci_enable_device(struct zpci_dev *zdev)
zpci_update_fh(zdev, fh);
return rc;
}
+EXPORT_SYMBOL_GPL(zpci_enable_device);
int zpci_disable_device(struct zpci_dev *zdev)
{
@@ -723,6 +737,7 @@ int zpci_disable_device(struct zpci_dev *zdev)
}
return rc;
}
+EXPORT_SYMBOL_GPL(zpci_disable_device);
/**
* zpci_hot_reset_device - perform a reset of the given zPCI function
@@ -816,6 +831,7 @@ struct zpci_dev *zpci_create_device(u32 fid, u32 fh, enum zpci_state state)
kref_init(&zdev->kref);
mutex_init(&zdev->lock);
+ mutex_init(&zdev->kzdev_lock);
rc = zpci_init_iommu(zdev);
if (rc)