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-rw-r--r--core/pci-opal.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/core/pci-opal.c b/core/pci-opal.c
index b8aec941..77e965cc 100644
--- a/core/pci-opal.c
+++ b/core/pci-opal.c
@@ -1016,3 +1016,39 @@ static int64_t opal_pci_set_p2p(uint64_t phbid_init, uint64_t phbid_target,
return OPAL_SUCCESS;
}
opal_call(OPAL_PCI_SET_P2P, opal_pci_set_p2p, 4);
+
+static int64_t opal_pci_get_pbcq_tunnel_bar(uint64_t phb_id, uint64_t *addr)
+{
+ struct phb *phb = pci_get_phb(phb_id);
+
+ if (!opal_addr_valid(addr))
+ return OPAL_PARAMETER;
+
+ if (!phb)
+ return OPAL_PARAMETER;
+ if (!phb->ops->get_tunnel_bar)
+ return OPAL_UNSUPPORTED;
+
+ phb_lock(phb);
+ phb->ops->get_tunnel_bar(phb, addr);
+ phb_unlock(phb);
+ return OPAL_SUCCESS;
+}
+opal_call(OPAL_PCI_GET_PBCQ_TUNNEL_BAR, opal_pci_get_pbcq_tunnel_bar, 2);
+
+static int64_t opal_pci_set_pbcq_tunnel_bar(uint64_t phb_id, uint64_t addr)
+{
+ struct phb *phb = pci_get_phb(phb_id);
+ int64_t rc;
+
+ if (!phb)
+ return OPAL_PARAMETER;
+ if (!phb->ops->set_tunnel_bar)
+ return OPAL_UNSUPPORTED;
+
+ phb_lock(phb);
+ rc = phb->ops->set_tunnel_bar(phb, addr);
+ phb_unlock(phb);
+ return rc;
+}
+opal_call(OPAL_PCI_SET_PBCQ_TUNNEL_BAR, opal_pci_set_pbcq_tunnel_bar, 2);
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