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| author | Matthew Wilcox | 2009-03-17 13:54:10 +0100 |
|---|---|---|
| committer | Jesse Barnes | 2009-03-20 18:48:14 +0100 |
| commit | 1c8d7b0a562da06d3ebe83f01b1ed553205d1ae4 (patch) | |
| tree | 79c84432f5aed5a08b3bef262a10d933daae6a9b /drivers/pci/msi.h | |
| parent | PCI MSI: Refactor interrupt masking code (diff) | |
| download | kernel-qcow2-linux-1c8d7b0a562da06d3ebe83f01b1ed553205d1ae4.tar.gz kernel-qcow2-linux-1c8d7b0a562da06d3ebe83f01b1ed553205d1ae4.tar.xz kernel-qcow2-linux-1c8d7b0a562da06d3ebe83f01b1ed553205d1ae4.zip | |
PCI MSI: Add support for multiple MSI
Add the new API pci_enable_msi_block() to allow drivers to
request multiple MSI and reimplement pci_enable_msi in terms of
pci_enable_msi_block. Ensure that the architecture back ends don't
have to know about multiple MSI.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/msi.h')
| -rw-r--r-- | drivers/pci/msi.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/pci/msi.h b/drivers/pci/msi.h index 3898f5237144..71f4df2ef654 100644 --- a/drivers/pci/msi.h +++ b/drivers/pci/msi.h @@ -20,14 +20,8 @@ #define msi_mask_bits_reg(base, is64bit) \ ( (is64bit == 1) ? base+PCI_MSI_MASK_BIT : base+PCI_MSI_MASK_BIT-4) #define msi_disable(control) control &= ~PCI_MSI_FLAGS_ENABLE -#define multi_msi_capable(control) \ - (1 << ((control & PCI_MSI_FLAGS_QMASK) >> 1)) -#define multi_msi_enable(control, num) \ - control |= (((num >> 1) << 4) & PCI_MSI_FLAGS_QSIZE); #define is_64bit_address(control) (!!(control & PCI_MSI_FLAGS_64BIT)) #define is_mask_bit_support(control) (!!(control & PCI_MSI_FLAGS_MASKBIT)) -#define msi_enable(control, num) multi_msi_enable(control, num); \ - control |= PCI_MSI_FLAGS_ENABLE #define msix_table_offset_reg(base) (base + 0x04) #define msix_pba_offset_reg(base) (base + 0x08) |