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[Qemu-devel] [PATCH 09/19] msix: Factor out msix_get_message
From: |
Avi Kivity |
Subject: |
[Qemu-devel] [PATCH 09/19] msix: Factor out msix_get_message |
Date: |
Mon, 21 May 2012 19:37:37 +0300 |
From: Jan Kiszka <address@hidden>
This helper will also be used by the upcoming config notifier.
Signed-off-by: Jan Kiszka <address@hidden>
Signed-off-by: Avi Kivity <address@hidden>
---
hw/msix.c | 19 +++++++++++++------
1 file changed, 13 insertions(+), 6 deletions(-)
diff --git a/hw/msix.c b/hw/msix.c
index 3835eaa..3197465 100644
--- a/hw/msix.c
+++ b/hw/msix.c
@@ -35,6 +35,15 @@
#define MSIX_PAGE_PENDING (MSIX_PAGE_SIZE / 2)
#define MSIX_MAX_ENTRIES 32
+static MSIMessage msix_get_message(PCIDevice *dev, unsigned vector)
+{
+ uint8_t *table_entry = dev->msix_table_page + vector * PCI_MSIX_ENTRY_SIZE;
+ MSIMessage msg;
+
+ msg.address = pci_get_quad(table_entry + PCI_MSIX_ENTRY_LOWER_ADDR);
+ msg.data = pci_get_long(table_entry + PCI_MSIX_ENTRY_DATA);
+ return msg;
+}
/* Add MSI-X capability to the config space for the device. */
/* Given a bar and its size, add MSI-X table on top of it
@@ -352,9 +361,7 @@ uint32_t msix_bar_size(PCIDevice *dev)
/* Send an MSI-X message */
void msix_notify(PCIDevice *dev, unsigned vector)
{
- uint8_t *table_entry = dev->msix_table_page + vector * PCI_MSIX_ENTRY_SIZE;
- uint64_t address;
- uint32_t data;
+ MSIMessage msg;
if (vector >= dev->msix_entries_nr || !dev->msix_entry_used[vector])
return;
@@ -363,9 +370,9 @@ void msix_notify(PCIDevice *dev, unsigned vector)
return;
}
- address = pci_get_quad(table_entry + PCI_MSIX_ENTRY_LOWER_ADDR);
- data = pci_get_long(table_entry + PCI_MSIX_ENTRY_DATA);
- stl_le_phys(address, data);
+ msg = msix_get_message(dev, vector);
+
+ stl_le_phys(msg.address, msg.data);
}
void msix_reset(PCIDevice *dev)
--
1.7.10.1
- [Qemu-devel] [PATCH 14/19] kvm: Publicize kvm_irqchip_release_virq, (continued)
- [Qemu-devel] [PATCH 14/19] kvm: Publicize kvm_irqchip_release_virq, Avi Kivity, 2012/05/21
- [Qemu-devel] [PATCH 06/19] kvm: Update kernel headers, Avi Kivity, 2012/05/21
- [Qemu-devel] [PATCH 04/19] pc: Enable MSI support at APIC level, Avi Kivity, 2012/05/21
- [Qemu-devel] [PATCH 16/19] kvm: Introduce kvm_irqchip_add/remove_irqfd, Avi Kivity, 2012/05/21
- [Qemu-devel] [PATCH 03/19] kvm: Introduce basic MSI support for in-kernel irqchips, Avi Kivity, 2012/05/21
- [Qemu-devel] [PATCH 13/19] kvm: Introduce kvm_irqchip_add_msi_route, Avi Kivity, 2012/05/21
- [Qemu-devel] [PATCH 02/19] Introduce MSIMessage structure, Avi Kivity, 2012/05/21
- [Qemu-devel] [PATCH 07/19] kvm: Add support for direct MSI injections, Avi Kivity, 2012/05/21
- [Qemu-devel] [PATCH 18/19] msix: Add msix_nr_vectors_allocated, Avi Kivity, 2012/05/21
- [Qemu-devel] [PATCH 19/19] virtio/vhost: Add support for KVM in-kernel MSI injection, Avi Kivity, 2012/05/21
- [Qemu-devel] [PATCH 09/19] msix: Factor out msix_get_message,
Avi Kivity <=
- [Qemu-devel] [PATCH 12/19] kvm: Rename kvm_irqchip_add_route to kvm_irqchip_add_irq_route, Avi Kivity, 2012/05/21
- [Qemu-devel] [PATCH 05/19] kvm: x86: Wire up MSI support for in-kernel irqchip, Avi Kivity, 2012/05/21
- [Qemu-devel] [PATCH 15/19] kvm: Make kvm_irqchip_commit_routes an internal service, Avi Kivity, 2012/05/21
- [Qemu-devel] [PATCH 11/19] msix: Introduce vector notifiers, Avi Kivity, 2012/05/21