aboutsummaryrefslogtreecommitdiff
path: root/hw/net/vmxnet3.c
diff options
context:
space:
mode:
authorPeter Maydell <peter.maydell@linaro.org>2016-07-05 16:48:24 +0100
committerPeter Maydell <peter.maydell@linaro.org>2016-07-05 16:48:24 +0100
commit791b7d2340cfafcac9af7864343cf23504d57804 (patch)
tree5834c152f6881c3e907bfe64dd66bcfa83cf8369 /hw/net/vmxnet3.c
parent60a0f1af07d685c88f4ffa09370da5bd7514823e (diff)
parent269fe4c3ab0cf29329317eb868f8ec90ac761b41 (diff)
downloadqemu-791b7d2340cfafcac9af7864343cf23504d57804.zip
qemu-791b7d2340cfafcac9af7864343cf23504d57804.tar.gz
qemu-791b7d2340cfafcac9af7864343cf23504d57804.tar.bz2
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc, pci, virtio: new features, cleanups, fixes iommus can not be added with -device. cleanups and fixes all over the place Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Tue 05 Jul 2016 11:18:32 BST # gpg: using RSA key 0x281F0DB8D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: (30 commits) vmw_pvscsi: remove unnecessary internal msi state flag e1000e: remove unnecessary internal msi state flag vmxnet3: remove unnecessary internal msi state flag mptsas: remove unnecessary internal msi state flag megasas: remove unnecessary megasas_use_msi() pci: Convert msi_init() to Error and fix callers to check it pci bridge dev: change msi property type megasas: change msi/msix property type mptsas: change msi property type intel-hda: change msi property type usb xhci: change msi/msix property type change pvscsi_init_msi() type to void tests: add APIC.cphp and DSDT.cphp blobs tests: acpi: add CPU hotplug testcase log: Permit -dfilter 0..0xffffffffffffffff range: Replace internal representation of Range range: Eliminate direct Range member access log: Clean up misuse of Range for -dfilter pci_register_bar: cleanup Revert "virtio-net: unbreak self announcement and guest offloads after migration" ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/net/vmxnet3.c')
-rw-r--r--hw/net/vmxnet3.c52
1 files changed, 17 insertions, 35 deletions
diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
index b8e3b25..e767fc6 100644
--- a/hw/net/vmxnet3.c
+++ b/hw/net/vmxnet3.c
@@ -283,8 +283,6 @@ typedef struct {
/* Whether MSI-X support was installed successfully */
bool msix_used;
- /* Whether MSI support was installed successfully */
- bool msi_used;
hwaddr drv_shmem;
hwaddr temp_shared_guest_driver_memory;
@@ -366,7 +364,7 @@ static bool _vmxnet3_assert_interrupt_line(VMXNET3State *s, uint32_t int_idx)
msix_notify(d, int_idx);
return false;
}
- if (s->msi_used && msi_enabled(d)) {
+ if (msi_enabled(d)) {
VMW_IRPRN("Sending MSI notification for vector %u", int_idx);
msi_notify(d, int_idx);
return false;
@@ -390,7 +388,7 @@ static void _vmxnet3_deassert_interrupt_line(VMXNET3State *s, int lidx)
* This function should never be called for MSI(X) interrupts
* because deassertion never required for message interrupts
*/
- assert(!s->msi_used || !msi_enabled(d));
+ assert(!msi_enabled(d));
VMW_IRPRN("Deasserting line for interrupt %u", lidx);
pci_irq_deassert(d);
@@ -427,7 +425,7 @@ static void vmxnet3_trigger_interrupt(VMXNET3State *s, int lidx)
goto do_automask;
}
- if (s->msi_used && msi_enabled(d) && s->auto_int_masking) {
+ if (msi_enabled(d) && s->auto_int_masking) {
goto do_automask;
}
@@ -1425,8 +1423,8 @@ static void vmxnet3_update_features(VMXNET3State *s)
static bool vmxnet3_verify_intx(VMXNET3State *s, int intx)
{
- return s->msix_used || s->msi_used || (intx ==
- (pci_get_byte(s->parent_obj.config + PCI_INTERRUPT_PIN) - 1));
+ return s->msix_used || msi_enabled(PCI_DEVICE(s))
+ || intx == pci_get_byte(s->parent_obj.config + PCI_INTERRUPT_PIN) - 1;
}
static void vmxnet3_validate_interrupt_idx(bool is_msix, int idx)
@@ -2216,35 +2214,12 @@ vmxnet3_cleanup_msix(VMXNET3State *s)
}
}
-#define VMXNET3_USE_64BIT (true)
-#define VMXNET3_PER_VECTOR_MASK (false)
-
-static bool
-vmxnet3_init_msi(VMXNET3State *s)
-{
- PCIDevice *d = PCI_DEVICE(s);
- int res;
-
- res = msi_init(d, VMXNET3_MSI_OFFSET(s), VMXNET3_MAX_NMSIX_INTRS,
- VMXNET3_USE_64BIT, VMXNET3_PER_VECTOR_MASK);
- if (0 > res) {
- VMW_WRPRN("Failed to initialize MSI, error %d", res);
- s->msi_used = false;
- } else {
- s->msi_used = true;
- }
-
- return s->msi_used;
-}
-
static void
vmxnet3_cleanup_msi(VMXNET3State *s)
{
PCIDevice *d = PCI_DEVICE(s);
- if (s->msi_used) {
- msi_uninit(d);
- }
+ msi_uninit(d);
}
static void
@@ -2298,10 +2273,15 @@ static uint64_t vmxnet3_device_serial_num(VMXNET3State *s)
return dsn_payload;
}
+
+#define VMXNET3_USE_64BIT (true)
+#define VMXNET3_PER_VECTOR_MASK (false)
+
static void vmxnet3_pci_realize(PCIDevice *pci_dev, Error **errp)
{
DeviceState *dev = DEVICE(pci_dev);
VMXNET3State *s = VMXNET3(pci_dev);
+ int ret;
VMW_CBPRN("Starting init...");
@@ -2325,14 +2305,16 @@ static void vmxnet3_pci_realize(PCIDevice *pci_dev, Error **errp)
/* Interrupt pin A */
pci_dev->config[PCI_INTERRUPT_PIN] = 0x01;
+ ret = msi_init(pci_dev, VMXNET3_MSI_OFFSET(s), VMXNET3_MAX_NMSIX_INTRS,
+ VMXNET3_USE_64BIT, VMXNET3_PER_VECTOR_MASK, NULL);
+ /* Any error other than -ENOTSUP(board's MSI support is broken)
+ * is a programming error. Fall back to INTx silently on -ENOTSUP */
+ assert(!ret || ret == -ENOTSUP);
+
if (!vmxnet3_init_msix(s)) {
VMW_WRPRN("Failed to initialize MSI-X, configuration is inconsistent.");
}
- if (!vmxnet3_init_msi(s)) {
- VMW_WRPRN("Failed to initialize MSI, configuration is inconsistent.");
- }
-
vmxnet3_net_init(s);
if (pci_is_express(pci_dev)) {