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msix: macro rename for function mask support 

rename ENABLE_OFFSET -> CONTROL_OFFSET, since
same byte includes function mask.
This is in preparation for function mask support.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2009-11-25 12:18:00 +02:00
parent 5d7ff5bbde
commit 2760952ba9
1 changed files with 7 additions and 7 deletions
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14
hw/msix.c
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@ -27,8 +27,8 @@
#define MSIX_PBA_OFFSET 8
#define MSIX_CAP_LENGTH 12
/* MSI enable bit is in byte 1 in FLAGS register */
#define MSIX_ENABLE_OFFSET (PCI_MSIX_FLAGS + 1)
/* MSI enable bit and maskall bit are in byte 1 in FLAGS register */
#define MSIX_CONTROL_OFFSET (PCI_MSIX_FLAGS + 1)
#define MSIX_ENABLE_MASK (PCI_MSIX_FLAGS_ENABLE >> 8)
/* MSI-X table format */
@ -101,7 +101,7 @@ static int msix_add_config(struct PCIDevice *pdev, unsigned short nentries,
bar_nr);
pdev->msix_cap = config_offset;
/* Make flags bit writeable. */
pdev->wmask[config_offset + MSIX_ENABLE_OFFSET] |= MSIX_ENABLE_MASK;
pdev->wmask[config_offset + MSIX_CONTROL_OFFSET] |= MSIX_ENABLE_MASK;
return 0;
}
@ -109,7 +109,7 @@ static int msix_add_config(struct PCIDevice *pdev, unsigned short nentries,
void msix_write_config(PCIDevice *dev, uint32_t addr,
uint32_t val, int len)
{
unsigned enable_pos = dev->msix_cap + MSIX_ENABLE_OFFSET;
unsigned enable_pos = dev->msix_cap + MSIX_CONTROL_OFFSET;
if (addr + len <= enable_pos || addr > enable_pos)
return;
@ -327,7 +327,7 @@ int msix_present(PCIDevice *dev)
int msix_enabled(PCIDevice *dev)
{
return (dev->cap_present & QEMU_PCI_CAP_MSIX) &&
(dev->config[dev->msix_cap + MSIX_ENABLE_OFFSET] &
(dev->config[dev->msix_cap + MSIX_CONTROL_OFFSET] &
MSIX_ENABLE_MASK);
}
@ -363,8 +363,8 @@ void msix_reset(PCIDevice *dev)
if (!(dev->cap_present & QEMU_PCI_CAP_MSIX))
return;
msix_free_irq_entries(dev);
dev->config[dev->msix_cap + MSIX_ENABLE_OFFSET] &=
~dev->wmask[dev->msix_cap + MSIX_ENABLE_OFFSET];
dev->config[dev->msix_cap + MSIX_CONTROL_OFFSET] &=
~dev->wmask[dev->msix_cap + MSIX_CONTROL_OFFSET];
memset(dev->msix_table_page, 0, MSIX_PAGE_SIZE);
msix_mask_all(dev, dev->msix_entries_nr);
}