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Date: Fri, 11 Nov 2022 14:58:28 +0100 (CET)
From: Thomas Gleixner <tglx@...utronix.de>
To: LKML <linux-kernel@...r.kernel.org>
Cc: x86@...nel.org, Joerg Roedel <joro@...tes.org>,
Will Deacon <will@...nel.org>, linux-pci@...r.kernel.org,
Bjorn Helgaas <bhelgaas@...gle.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Marc Zyngier <maz@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jason Gunthorpe <jgg@...lanox.com>,
Dave Jiang <dave.jiang@...el.com>,
Alex Williamson <alex.williamson@...hat.com>,
Kevin Tian <kevin.tian@...el.com>,
Dan Williams <dan.j.williams@...el.com>,
Logan Gunthorpe <logang@...tatee.com>,
Ashok Raj <ashok.raj@...el.com>, Jon Mason <jdmason@...zu.us>,
Allen Hubbe <allenbh@...il.com>,
"Ahmed S. Darwish" <darwi@...utronix.de>,
Reinette Chatre <reinette.chatre@...el.com>
Subject: [patch 11/33] genirq/msi: Provide BUS_DEVICE_PCI_MSI[X]
Provide new bus tokens for the upcoming per device PCI/MSI and PCI/MSIX
interrupt domains.
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
include/linux/irqdomain_defs.h | 2 ++
kernel/irq/msi.c | 4 ++++
2 files changed, 6 insertions(+)
--- a/include/linux/irqdomain_defs.h
+++ b/include/linux/irqdomain_defs.h
@@ -21,6 +21,8 @@ enum irq_domain_bus_token {
DOMAIN_BUS_TI_SCI_INTA_MSI,
DOMAIN_BUS_WAKEUP,
DOMAIN_BUS_VMD_MSI,
+ DOMAIN_BUS_PCI_DEVICE_MSI,
+ DOMAIN_BUS_PCI_DEVICE_MSIX,
};
#endif /* _LINUX_IRQDOMAIN_DEFS_H */
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -1137,6 +1137,8 @@ static bool msi_check_reservation_mode(s
switch(domain->bus_token) {
case DOMAIN_BUS_PCI_MSI:
+ case DOMAIN_BUS_PCI_DEVICE_MSI:
+ case DOMAIN_BUS_PCI_DEVICE_MSIX:
case DOMAIN_BUS_VMD_MSI:
break;
default:
@@ -1162,6 +1164,8 @@ static int msi_handle_pci_fail(struct ir
{
switch(domain->bus_token) {
case DOMAIN_BUS_PCI_MSI:
+ case DOMAIN_BUS_PCI_DEVICE_MSI:
+ case DOMAIN_BUS_PCI_DEVICE_MSIX:
case DOMAIN_BUS_VMD_MSI:
if (IS_ENABLED(CONFIG_PCI_MSI))
break;
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