This supercedes Gavin's "[PATCH v3 0/5] Retrieve MSI/MSIX cap struct for
once on setup" series from Apr 4, 2013.
It includes Gavin's patches (there were actually only 4 in v3, not 5),
together with more MSI-related cleanup that I did.
There's also a possible bug-fix in xen_initdom_setup_msi_irqs(): previously
it ignored the "Table Offset" bits in the MSI-X capability. I don't know
enough about Xen to know how it uses struct physdev_map_pirq, but it seems
possible that we should pay attention to those bits.
---
Bjorn Helgaas (18):
[SCSI] megaraid_sas: Use correct #define for MSI-X capability
PCI: Use u8, not int, for PM capability offset
PCI: Clean up MSI/MSI-X capability #defines
PCI: Use cached MSI/MSI-X offsets from dev, not from msi_desc
PCI: Drop msi_control_reg() macro and use PCI_MSI_FLAGS directly
PCI: Drop msi_lower_address_reg() and msi_upper_address_reg() macros
PCI: Drop msi_data_reg() macro
PCI: Drop is_64bit_address() and is_mask_bit_support() macros
PCI: Drop msix_table_offset_reg() and msix_pba_offset_reg() macros
PCI: Use msix_table_size() directly, drop multi_msix_capable()
PCI: Drop msi_mask_reg() and remove drivers/pci/msi.h
PCI: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
PCI: Remove "extern" from function declarations
xen/pci: Pay attention to PCI_MSIX_TABLE_OFFSET
xen/pci: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
xen/pci: Used cached MSI-X capability offset
vfio-pci: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK
vfio-pci: Use cached MSI/MSI-X capabilities
Gavin Shan (4):
PCI: Cache MSI/MSI-X capability offsets in struct pci_dev
PCI: Remove MSI/MSI-X cap check in pci_msi_check_device()
PCI: Use cached MSI cap while enabling MSI interrupts
PCI: Use cached MSI-X cap while enabling MSI-X
arch/x86/pci/xen.c | 9 +
drivers/pci/msi.c | 176 +++++++++++++----------------
drivers/pci/msi.h | 24 ----
drivers/scsi/megaraid/megaraid_sas.h | 3
drivers/scsi/megaraid/megaraid_sas_base.c | 4 -
drivers/vfio/pci/vfio_pci.c | 10 +-
include/linux/msi.h | 23 ++--
include/linux/pci.h | 5 -
include/uapi/linux/pci_regs.h | 30 +++--
9 files changed, 123 insertions(+), 161 deletions(-)
delete mode 100644 drivers/pci/msi.h
--
Bjorn
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