diff options
Diffstat (limited to 'drivers/ntb/Kconfig')
| -rw-r--r-- | drivers/ntb/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/ntb/Kconfig b/drivers/ntb/Kconfig index c99eed87382a..df16c755b4da 100644 --- a/drivers/ntb/Kconfig +++ b/drivers/ntb/Kconfig @@ -13,6 +13,17 @@ menuconfig NTB if NTB +config NTB_MSI + bool "MSI Interrupt Support" + depends on PCI_MSI + help + Support using MSI interrupt forwarding instead of (or in addition to) + hardware doorbells. MSI interrupts typically offer lower latency + than doorbells and more MSI interrupts can be made available to + clients. However this requires an extra memory window and support + in the hardware driver for creating the MSI interrupts. + + If unsure, say N. source "drivers/ntb/hw/Kconfig" source "drivers/ntb/test/Kconfig" |