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[v6,10/11] pci bridge dev: change msi property type

Message ID 1464062689-32156-11-git-send-email-caoj.fnst@cn.fujitsu.com (mailing list archive)
State New, archived
Headers show

Commit Message

Cao jin May 24, 2016, 4:04 a.m. UTC
From bit to enum OnOffAuto.

cc: Michael S. Tsirkin <mst@redhat.com>
cc: Markus Armbruster <armbru@redhat.com>
cc: Marcel Apfelbaum <marcel@redhat.com>

Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
---
 hw/pci-bridge/pci_bridge_dev.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

Comments

Markus Armbruster June 1, 2016, 9:17 a.m. UTC | #1
Cao jin <caoj.fnst@cn.fujitsu.com> writes:

>>From bit to enum OnOffAuto.
>
> cc: Michael S. Tsirkin <mst@redhat.com>
> cc: Markus Armbruster <armbru@redhat.com>
> cc: Marcel Apfelbaum <marcel@redhat.com>
>
> Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
> ---
>  hw/pci-bridge/pci_bridge_dev.c | 14 ++++++++------
>  1 file changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/hw/pci-bridge/pci_bridge_dev.c b/hw/pci-bridge/pci_bridge_dev.c
> index 41ca47b..fa0c50c 100644
> --- a/hw/pci-bridge/pci_bridge_dev.c
> +++ b/hw/pci-bridge/pci_bridge_dev.c
> @@ -42,9 +42,10 @@ struct PCIBridgeDev {
>  
>      MemoryRegion bar;
>      uint8_t chassis_nr;
> -#define PCI_BRIDGE_DEV_F_MSI_REQ 0
> -#define PCI_BRIDGE_DEV_F_SHPC_REQ 1
> +#define PCI_BRIDGE_DEV_F_SHPC_REQ 0
>      uint32_t flags;
> +
> +    OnOffAuto msi;
>  };
>  typedef struct PCIBridgeDev PCIBridgeDev;
>  
> @@ -66,7 +67,7 @@ static int pci_bridge_dev_initfn(PCIDevice *dev)
>          }
>      } else {
>          /* MSI is not applicable without SHPC */
> -        bridge_dev->flags &= ~(1 << PCI_BRIDGE_DEV_F_MSI_REQ);
> +        bridge_dev->msi = ON_OFF_AUTO_OFF;

Overwrites configuration to reflect state, like megasas.  I'll come back
to this in my review of PATCH 11.

>      }
>  
>      err = slotid_cap_init(dev, 0, bridge_dev->chassis_nr, 0);
> @@ -74,7 +75,8 @@ static int pci_bridge_dev_initfn(PCIDevice *dev)
>          goto slotid_error;
>      }
>  
> -    if ((bridge_dev->flags & (1 << PCI_BRIDGE_DEV_F_MSI_REQ)) &&
> +    if ((bridge_dev->msi == ON_OFF_AUTO_AUTO ||
> +                bridge_dev->msi == ON_OFF_AUTO_ON) &&

bridge_dev->msi != ON_OFF_AUTO_OFF, please, to avoid unnecessary churn
in PATCH 11.

>          msi_nonbroken) {
>          err = msi_init(dev, 0, 1, true, true);
>          if (err < 0) {
> @@ -147,8 +149,8 @@ static Property pci_bridge_dev_properties[] = {
>                      /* Note: 0 is not a legal chassis number. */
>      DEFINE_PROP_UINT8(PCI_BRIDGE_DEV_PROP_CHASSIS_NR, PCIBridgeDev, chassis_nr,
>                        0),
> -    DEFINE_PROP_BIT(PCI_BRIDGE_DEV_PROP_MSI, PCIBridgeDev, flags,
> -                    PCI_BRIDGE_DEV_F_MSI_REQ, true),
> +    DEFINE_PROP_ON_OFF_AUTO(PCI_BRIDGE_DEV_PROP_MSI, PCIBridgeDev, msi,
> +                            ON_OFF_AUTO_AUTO),
>      DEFINE_PROP_BIT(PCI_BRIDGE_DEV_PROP_SHPC, PCIBridgeDev, flags,
>                      PCI_BRIDGE_DEV_F_SHPC_REQ, true),
>      DEFINE_PROP_END_OF_LIST(),
diff mbox

Patch

diff --git a/hw/pci-bridge/pci_bridge_dev.c b/hw/pci-bridge/pci_bridge_dev.c
index 41ca47b..fa0c50c 100644
--- a/hw/pci-bridge/pci_bridge_dev.c
+++ b/hw/pci-bridge/pci_bridge_dev.c
@@ -42,9 +42,10 @@  struct PCIBridgeDev {
 
     MemoryRegion bar;
     uint8_t chassis_nr;
-#define PCI_BRIDGE_DEV_F_MSI_REQ 0
-#define PCI_BRIDGE_DEV_F_SHPC_REQ 1
+#define PCI_BRIDGE_DEV_F_SHPC_REQ 0
     uint32_t flags;
+
+    OnOffAuto msi;
 };
 typedef struct PCIBridgeDev PCIBridgeDev;
 
@@ -66,7 +67,7 @@  static int pci_bridge_dev_initfn(PCIDevice *dev)
         }
     } else {
         /* MSI is not applicable without SHPC */
-        bridge_dev->flags &= ~(1 << PCI_BRIDGE_DEV_F_MSI_REQ);
+        bridge_dev->msi = ON_OFF_AUTO_OFF;
     }
 
     err = slotid_cap_init(dev, 0, bridge_dev->chassis_nr, 0);
@@ -74,7 +75,8 @@  static int pci_bridge_dev_initfn(PCIDevice *dev)
         goto slotid_error;
     }
 
-    if ((bridge_dev->flags & (1 << PCI_BRIDGE_DEV_F_MSI_REQ)) &&
+    if ((bridge_dev->msi == ON_OFF_AUTO_AUTO ||
+                bridge_dev->msi == ON_OFF_AUTO_ON) &&
         msi_nonbroken) {
         err = msi_init(dev, 0, 1, true, true);
         if (err < 0) {
@@ -147,8 +149,8 @@  static Property pci_bridge_dev_properties[] = {
                     /* Note: 0 is not a legal chassis number. */
     DEFINE_PROP_UINT8(PCI_BRIDGE_DEV_PROP_CHASSIS_NR, PCIBridgeDev, chassis_nr,
                       0),
-    DEFINE_PROP_BIT(PCI_BRIDGE_DEV_PROP_MSI, PCIBridgeDev, flags,
-                    PCI_BRIDGE_DEV_F_MSI_REQ, true),
+    DEFINE_PROP_ON_OFF_AUTO(PCI_BRIDGE_DEV_PROP_MSI, PCIBridgeDev, msi,
+                            ON_OFF_AUTO_AUTO),
     DEFINE_PROP_BIT(PCI_BRIDGE_DEV_PROP_SHPC, PCIBridgeDev, flags,
                     PCI_BRIDGE_DEV_F_SHPC_REQ, true),
     DEFINE_PROP_END_OF_LIST(),