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    Subject[tip: irq/core] genirq/msi: Provide BUS_DEVICE_PCI_MSI[X]
    The following commit has been merged into the irq/core branch of tip:

    Commit-ID: 29b2f2cfd3f1fd3638799671c3a6758e13943875
    Gitweb: https://git.kernel.org/tip/29b2f2cfd3f1fd3638799671c3a6758e13943875
    Author: Thomas Gleixner <tglx@linutronix.de>
    AuthorDate: Fri, 25 Nov 2022 00:26:02 +01:00
    Committer: Thomas Gleixner <tglx@linutronix.de>
    CommitterDate: Mon, 05 Dec 2022 19:21:02 +01:00

    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@linutronix.de>
    Reviewed-by: Kevin Tian <kevin.tian@intel.com>
    Acked-by: Marc Zyngier <maz@kernel.org>
    Link: https://lore.kernel.org/r/20221124232325.917219885@linutronix.de

    ---
    include/linux/irqdomain_defs.h | 2 ++
    kernel/irq/msi.c | 4 ++++
    2 files changed, 6 insertions(+)

    diff --git a/include/linux/irqdomain_defs.h b/include/linux/irqdomain_defs.h
    index 69035b4..b3f4b7e 100644
    --- 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 */
    diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
    index 21a7452..0536db7 100644
    --- a/kernel/irq/msi.c
    +++ b/kernel/irq/msi.c
    @@ -1121,6 +1121,8 @@ static bool msi_check_reservation_mode(struct irq_domain *domain,

    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:
    @@ -1146,6 +1148,8 @@ static int msi_handle_pci_fail(struct irq_domain *domain, struct msi_desc *desc,
    {
    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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      Last update: 2022-12-05 19:27    [W:4.082 / U:0.276 seconds]
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