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Date: Mon, 21 Nov 2022 15:37:59 +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> Subject: [patch V2 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 @@ -1147,6 +1147,8 @@ 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: @@ -1172,6 +1174,8 @@ 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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