From: Stewart Hildebrand <stewart.hildebrand@amd.com>

Export functions required for SR-IOV support.

Signed-off-by: Stewart Hildebrand <stewart.hildebrand@amd.com>
Signed-off-by: Mykyta Poturai <mykyta_poturai@epam.com>
Reviewed-by: Teddy Astie <teddy.astie@vates.tech>
---
v2->v3:
* move declarations to private.h

v1->v2:
* collect RBs
---
 xen/drivers/vpci/header.c  | 20 +++++++++++---------
 xen/drivers/vpci/private.h |  6 ++++++
 2 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/xen/drivers/vpci/header.c b/xen/drivers/vpci/header.c
index 96995e098b..5d5ba5c016 100644
--- a/xen/drivers/vpci/header.c
+++ b/xen/drivers/vpci/header.c
@@ -611,9 +611,9 @@ static void cf_check bar_write(
     pci_conf_write32(pdev->sbdf, reg, val);
 }
 
-static void cf_check guest_mem_bar_write(const struct pci_dev *pdev,
-                                         unsigned int reg, uint32_t val,
-                                         void *data)
+void cf_check vpci_guest_mem_bar_write(const struct pci_dev *pdev,
+                                       unsigned int reg, uint32_t val,
+                                       void *data)
 {
     struct vpci_bar *bar = data;
     bool hi = false;
@@ -653,8 +653,8 @@ static void cf_check guest_mem_bar_write(const struct pci_dev *pdev,
     bar->guest_addr = guest_addr;
 }
 
-static uint32_t cf_check guest_mem_bar_read(const struct pci_dev *pdev,
-                                            unsigned int reg, void *data)
+uint32_t cf_check vpci_guest_mem_bar_read(const struct pci_dev *pdev,
+                                          unsigned int reg, void *data)
 {
     const struct vpci_bar *bar = data;
     uint32_t reg_val;
@@ -826,8 +826,9 @@ int vpci_init_header(struct pci_dev *pdev)
             bars[i].type = VPCI_BAR_MEM64_HI;
             rc = vpci_add_register(pdev->vpci,
                                    is_hwdom ? vpci_hw_read32
-                                            : guest_mem_bar_read,
-                                   is_hwdom ? bar_write : guest_mem_bar_write,
+                                            : vpci_guest_mem_bar_read,
+                                   is_hwdom ? bar_write
+                                            : vpci_guest_mem_bar_write,
                                    reg, 4, &bars[i]);
             if ( rc )
                 goto fail;
@@ -885,8 +886,9 @@ int vpci_init_header(struct pci_dev *pdev)
         bars[i].prefetchable = val & PCI_BASE_ADDRESS_MEM_PREFETCH;
 
         rc = vpci_add_register(pdev->vpci,
-                               is_hwdom ? vpci_hw_read32 : guest_mem_bar_read,
-                               is_hwdom ? bar_write : guest_mem_bar_write,
+                               is_hwdom ? vpci_hw_read32
+                                        : vpci_guest_mem_bar_read,
+                               is_hwdom ? bar_write : vpci_guest_mem_bar_write,
                                reg, 4, &bars[i]);
         if ( rc )
             goto fail;
diff --git a/xen/drivers/vpci/private.h b/xen/drivers/vpci/private.h
index 6fdf8a20d9..f012fd160d 100644
--- a/xen/drivers/vpci/private.h
+++ b/xen/drivers/vpci/private.h
@@ -141,6 +141,12 @@ static inline size_t vmsix_table_size(const struct vpci *vpci, unsigned int nr)
 /* Map/unmap the BARs of a vPCI device. */
 int vpci_modify_bars(const struct pci_dev *pdev, uint16_t cmd, bool rom_only);
 
+void cf_check vpci_guest_mem_bar_write(const struct pci_dev *pdev,
+                                       unsigned int reg, uint32_t val,
+                                       void *data);
+
+uint32_t cf_check vpci_guest_mem_bar_read(const struct pci_dev *pdev,
+                                          unsigned int reg, void *data);
 #endif /* __XEN__ */
 
 #endif /* VPCI_PRIVATE_H */
-- 
2.51.2