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| author | Thomas Gleixner <tglx@linutronix.de> | 2022-11-25 02:24:08 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2022-12-05 21:20:58 +0300 |
| commit | 3dad5f9ad99b77dfd234d31e2ea3d77f620efc09 (patch) | |
| tree | 97cc3be3e3819a1c645571a9401fbeee11ae0785 /include/linux/msi.h | |
| parent | 6842694c5088925d216529d4a2358ab5ee8bb862 (diff) | |
| download | linux-3dad5f9ad99b77dfd234d31e2ea3d77f620efc09.tar.xz | |
genirq/msi: Move IRQ_DOMAIN_MSI_NOMASK_QUIRK to MSI flags
It's truly a MSI only flag and for the upcoming per device MSI domains this
must be in the MSI flags so it can be set during domain setup without
exposing this quirk outside of x86.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221124230313.454246167@linutronix.de
Diffstat (limited to 'include/linux/msi.h')
| -rw-r--r-- | include/linux/msi.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h index 1ce9d5e0bfa3..2d87e000bd45 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -399,6 +399,12 @@ enum { MSI_FLAG_ALLOC_SIMPLE_MSI_DESCS = (1 << 9), /* Free MSI descriptors */ MSI_FLAG_FREE_MSI_DESCS = (1 << 10), + /* + * Quirk to handle MSI implementations which do not provide + * masking. Currently known to affect x86, but has to be partially + * handled in the core MSI code. + */ + MSI_FLAG_NOMASK_QUIRK = (1 << 11), }; int msi_domain_set_affinity(struct irq_data *data, const struct cpumask *mask, |