From 010bfb94c27cbdf2c8491606620be47a17d8279c Mon Sep 17 00:00:00 2001

From: Peter Xu <peterx@redhat.com>

Date: Tue, 2 Apr 2019 07:25:30 +0100

Subject: [PATCH 6/7] pci/msi: export msi_is_masked()

RH-Author: Peter Xu <peterx@redhat.com>

Message-id: <20190402072531.23771-4-peterx@redhat.com>

Patchwork-id: 85300

O-Subject: [RHEL-8.1 qemu-kvm PATCH 3/4] pci/msi: export msi_is_masked()

Bugzilla: 1662272

RH-Acked-by: Wei Huang <wei@redhat.com>

RH-Acked-by: Xiao Wang <jasowang@redhat.com>

RH-Acked-by: Michael S. Tsirkin <mst@redhat.com>

It is going to be used later on outside MSI code to detect whether one

MSI vector is masked out.

Signed-off-by: Peter Xu <peterx@redhat.com>

Reviewed-by: Michael S. Tsirkin <mst@redhat.com>

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

(cherry picked from commit afa26ecc3010d2851a065edc7817d31e07d236ec)

Signed-off-by: Peter Xu <peterx@redhat.com>

Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>

---

 hw/pci/msi.c         | 2 +-

 include/hw/pci/msi.h | 1 +

 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/pci/msi.c b/hw/pci/msi.c

index 5e05ce5..47d2b0f 100644

--- a/hw/pci/msi.c

+++ b/hw/pci/msi.c

@@ -286,7 +286,7 @@ void msi_reset(PCIDevice *dev)

     MSI_DEV_PRINTF(dev, "reset\n");

 }

-static bool msi_is_masked(const PCIDevice *dev, unsigned int vector)

+bool msi_is_masked(const PCIDevice *dev, unsigned int vector)

 {

     uint16_t flags = pci_get_word(dev->config + msi_flags_off(dev));

     uint32_t mask, data;

diff --git a/include/hw/pci/msi.h b/include/hw/pci/msi.h

index 4837bcf..8440eae 100644

--- a/include/hw/pci/msi.h

+++ b/include/hw/pci/msi.h

@@ -39,6 +39,7 @@ int msi_init(struct PCIDevice *dev, uint8_t offset,

              bool msi_per_vector_mask, Error **errp);

 void msi_uninit(struct PCIDevice *dev);

 void msi_reset(PCIDevice *dev);

+bool msi_is_masked(const PCIDevice *dev, unsigned int vector);

 void msi_notify(PCIDevice *dev, unsigned int vector);

 void msi_send_message(PCIDevice *dev, MSIMessage msg);

 void msi_write_config(PCIDevice *dev, uint32_t addr, uint32_t val, int len);

-- 

1.8.3.1