diff options
| author | Jan Kiszka <jan.kiszka@siemens.com> | 2012-05-17 10:32:29 -0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-05-21 19:22:49 +0300 |
| commit | bc4caf49c7fee6d1e063df32ca7554e5b98bfc89 (patch) | |
| tree | 00a3dfeda95b6e6504616cb80cc27c7599f94a53 /hw/msix.c | |
| parent | 287d55c6769c3a38e9083b103cb148fb38858b3a (diff) | |
msix: Factor out msix_get_message
This helper will also be used by the upcoming config notifier.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'hw/msix.c')
| -rw-r--r-- | hw/msix.c | 19 |
1 files changed, 13 insertions, 6 deletions
@@ -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) |