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msix: Split PBA into it's own MemoryRegion

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These don't have to be contiguous.  Size them to only what
they need and use separate MemoryRegions for the vector
table and PBA.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Alex Williamson 2012-06-14 12:16:37 -06:00 • committed by Michael S. Tsirkin
parent 2cf62ad742
commit d35e428c84
2 changed files with 73 additions and 43 deletions
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10
hw/pci.h
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@ -220,12 +220,14 @@ struct PCIDevice {
/* MSI-X entries */
int msix_entries_nr;
/* Space to store MSIX table */
uint8_t *msix_table_page;
/* Space to store MSIX table & pending bit array */
uint8_t *msix_table;
uint8_t *msix_pba;
/* MemoryRegion container for msix exclusive BAR setup */
MemoryRegion msix_exclusive_bar;
/* MMIO index used to map MSIX table and pending bit entries. */
MemoryRegion msix_mmio;
/* Memory Regions for MSIX table and pending bit entries. */
MemoryRegion msix_table_mmio;
MemoryRegion msix_pba_mmio;
/* Reference-count for entries actually in use by driver. */
unsigned *msix_entry_used;
/* MSIX function mask set or MSIX disabled */