From bc4caf49c7fee6d1e063df32ca7554e5b98bfc89 Mon Sep 17 00:00:00 2001 From: Jan Kiszka Date: Thu, 17 May 2012 10:32:29 -0300 Subject: msix: Factor out msix_get_message This helper will also be used by the upcoming config notifier. Signed-off-by: Jan Kiszka Signed-off-by: Avi Kivity --- hw/msix.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) (limited to 'hw') 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) -- cgit v1.1