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[PULL,36/51] pcie: Introduce pcie_sriov_num_vfs

Message ID 20230307070816.34833-37-jasowang@redhat.com
State New
Headers show
Series [PULL,01/51] e1000e: Fix the code style | expand

Commit Message

Jason Wang March 7, 2023, 7:08 a.m. UTC 
From: Akihiko Odaki <akihiko.odaki@daynix.com>

igb can use this function to change its behavior depending on the
number of virtual functions currently enabled.

Signed-off-by: Gal Hammer <gal.hammer@sap.com>
Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 hw/pci/pcie_sriov.c         | 5 +++++
 include/hw/pci/pcie_sriov.h | 3 +++
 2 files changed, 8 insertions(+)
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Patch

diff --git a/hw/pci/pcie_sriov.c b/hw/pci/pcie_sriov.c
index f0bd72e..aa5a757 100644
--- a/hw/pci/pcie_sriov.c
+++ b/hw/pci/pcie_sriov.c
@@ -300,3 +300,8 @@  PCIDevice *pcie_sriov_get_vf_at_index(PCIDevice *dev, int n)
     }
     return NULL;
 }
+
+uint16_t pcie_sriov_num_vfs(PCIDevice *dev)
+{
+    return dev->exp.sriov_pf.num_vfs;
+}
diff --git a/include/hw/pci/pcie_sriov.h b/include/hw/pci/pcie_sriov.h
index 96cc743..095fb0c 100644
--- a/include/hw/pci/pcie_sriov.h
+++ b/include/hw/pci/pcie_sriov.h
@@ -76,4 +76,7 @@  PCIDevice *pcie_sriov_get_pf(PCIDevice *dev);
  */
 PCIDevice *pcie_sriov_get_vf_at_index(PCIDevice *dev, int n);
 
+/* Returns the current number of virtual functions. */
+uint16_t pcie_sriov_num_vfs(PCIDevice *dev);
+
 #endif /* QEMU_PCIE_SRIOV_H */