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[Qemu-devel] [RFC][PATCH 10/45] msix: Factor out msix_message_from_vecto
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [RFC][PATCH 10/45] msix: Factor out msix_message_from_vector |
Date: |
Mon, 17 Oct 2011 11:27:44 +0200 |
This helper will also be used by the upcoming config notifier.
Signed-off-by: Jan Kiszka <address@hidden>
---
hw/msix.c | 19 +++++++++++++------
1 files changed, 13 insertions(+), 6 deletions(-)
diff --git a/hw/msix.c b/hw/msix.c
index 04e08e5..50fa504 100644
--- a/hw/msix.c
+++ b/hw/msix.c
@@ -33,6 +33,15 @@
#define MSIX_PAGE_PENDING (MSIX_PAGE_SIZE / 2)
#define MSIX_MAX_ENTRIES 32
+static void msix_message_from_vector(PCIDevice *dev, unsigned vector,
+ MSIMessage *msg)
+{
+ uint8_t *table_entry = dev->msix_table_page + vector * PCI_MSIX_ENTRY_SIZE;
+
+ msg->address = pci_get_quad(table_entry + PCI_MSIX_ENTRY_LOWER_ADDR);
+ msg->data = pci_get_long(table_entry + PCI_MSIX_ENTRY_DATA);
+}
+
/* KVM specific MSIX helpers */
static void kvm_msix_free(PCIDevice *dev)
{
@@ -453,9 +462,7 @@ 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;
@@ -469,9 +476,9 @@ 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);
+ msix_message_from_vector(dev, vector, &msg);
+
+ stl_le_phys(msg.address, msg.data);
}
void msix_reset(PCIDevice *dev)
--
1.7.3.4
- [Qemu-devel] [RFC][PATCH 00/45] qemu-kvm: MSI layer rework for in-kernel irqchip support, Jan Kiszka, 2011/10/17
- [Qemu-devel] [RFC][PATCH 07/45] msi: Generalize msix_supported to msi_supported, Jan Kiszka, 2011/10/17
- [Qemu-devel] [RFC][PATCH 01/45] msi: Guard msi/msix_write_config with msi_present, Jan Kiszka, 2011/10/17
- [Qemu-devel] [RFC][PATCH 15/45] qemu-kvm: Drop unused kvm_del_irq_route, Jan Kiszka, 2011/10/17
- [Qemu-devel] [RFC][PATCH 10/45] msix: Factor out msix_message_from_vector,
Jan Kiszka <=
- [Qemu-devel] [RFC][PATCH 11/45] msi: Factor out delivery hook, Jan Kiszka, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 11/45] msi: Factor out delivery hook, Avi Kivity, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 11/45] msi: Factor out delivery hook, Jan Kiszka, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 11/45] msi: Factor out delivery hook, Avi Kivity, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 11/45] msi: Factor out delivery hook, Jan Kiszka, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 11/45] msi: Factor out delivery hook, Avi Kivity, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 11/45] msi: Factor out delivery hook, Jan Kiszka, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 11/45] msi: Factor out delivery hook, Michael S. Tsirkin, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 11/45] msi: Factor out delivery hook, Avi Kivity, 2011/10/17
- Re: [Qemu-devel] [RFC][PATCH 11/45] msi: Factor out delivery hook, Michael S. Tsirkin, 2011/10/17