diff options
Diffstat (limited to 'drivers/pci/pcie/portdrv.h')
| -rw-r--r-- | drivers/pci/pcie/portdrv.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h index 587aef36030d..4334fd5d7de9 100644 --- a/drivers/pci/pcie/portdrv.h +++ b/drivers/pci/pcie/portdrv.h @@ -13,10 +13,11 @@ #define PCIE_PORT_DEVICE_MAXSERVICES 5 /* - * According to the PCI Express Base Specification 2.0, the indices of - * the MSI-X table entries used by port services must not exceed 31 + * The PCIe Capability Interrupt Message Number (PCIe r3.1, sec 7.8.2) must + * be one of the first 32 MSI-X entries. Per PCI r3.0, sec 6.8.3.1, MSI + * supports a maximum of 32 vectors per function. */ -#define PCIE_PORT_MAX_MSIX_ENTRIES 32 +#define PCIE_PORT_MAX_MSI_ENTRIES 32 #define get_descriptor_id(type, service) (((type - 4) << 8) | service) |