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| author | Thomas Gleixner <tglx@linutronix.de> | 2024-06-23 17:18:38 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2024-07-18 20:31:19 +0200 |
| commit | 8c41ccec839c622b2d1be769a95405e4e9a4cb20 (patch) | |
| tree | d99af1b24c705d18984bbd134589ef4c3093d720 /drivers/irqchip/irq-msi-lib.h | |
| parent | 48f71d56e2b87839052d2a2ec32fc97a79c3e264 (diff) | |
| download | lwn-8c41ccec839c622b2d1be769a95405e4e9a4cb20.tar.gz lwn-8c41ccec839c622b2d1be769a95405e4e9a4cb20.zip | |
irqchip/irq-msi-lib: Prepare for PCI MSI/MSIX
Add the bus tokens for DOMAIN_BUS_PCI_DEVICE_MSI and
DOMAIN_BUS_PCI_DEVICE_MSIX to the common child init
function.
Provide the match mask which can be used by parent domain
implementation so the bitmask based child bus token match
works.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Signed-off-by: Shivamurthy Shastri <shivamurthy.shastri@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240623142234.964056815@linutronix.de
Diffstat (limited to 'drivers/irqchip/irq-msi-lib.h')
| -rw-r--r-- | drivers/irqchip/irq-msi-lib.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-msi-lib.h b/drivers/irqchip/irq-msi-lib.h index f0706cc28264..525aa5284a99 100644 --- a/drivers/irqchip/irq-msi-lib.h +++ b/drivers/irqchip/irq-msi-lib.h @@ -9,6 +9,12 @@ #include <linux/irqdomain.h> #include <linux/msi.h> +#ifdef CONFIG_PCI_MSI +#define MATCH_PCI_MSI BIT(DOMAIN_BUS_PCI_MSI) +#else +#define MATCH_PCI_MSI (0) +#endif + int msi_lib_irq_domain_select(struct irq_domain *d, struct irq_fwspec *fwspec, enum irq_domain_bus_token bus_token); |