[patch 20/37] PCI/MSI: Store properties in device::msi::data

Thomas Gleixner
2021-11-27T01:23:54Z

Store the properties which are interesting for various places so the MSI
descriptor fiddling can be removed.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
drivers/pci/msi/msi.c | 6 ++++++
1 file changed, 6 insertions(+)

--- a/drivers/pci/msi/msi.c
+++ b/drivers/pci/msi/msi.c
@@ -244,6 +244,8 @@ static void free_msi_irqs(struct pci_dev
iounmap(dev->msix_base);
dev->msix_base = NULL;
}
+
+ dev->dev.msi.data->properties = 0;
}

static void pci_intx_for_msi(struct pci_dev *dev, int enable)
@@ -372,6 +374,9 @@ msi_setup_entry(struct pci_dev *dev, int
if (entry->pci.msi_attrib.can_mask)
pci_read_config_dword(dev, entry->pci.mask_pos, &entry->pci.msi_mask);

+ dev->dev.msi.data->properties = MSI_PROP_PCI_MSI;
+ if (entry->pci.msi_attrib.is_64)
+ dev->dev.msi.data->properties |= MSI_PROP_64BIT;
out:
kfree(masks);
return entry;
@@ -514,6 +519,7 @@ static int msix_setup_entries(struct pci
if (masks)
curmsk++;
}
+ dev->dev.msi.data->properties = MSI_PROP_PCI_MSIX | MSI_PROP_64BIT;
ret = 0;
out:
kfree(masks);