hc
2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390
kernel/drivers/ntb/Kconfig
....@@ -1,3 +1,4 @@
1
+# SPDX-License-Identifier: GPL-2.0-only
12 menuconfig NTB
23 tristate "Non-Transparent Bridge support"
34 depends on PCI
....@@ -12,6 +13,17 @@
1213
1314 if NTB
1415
16
+config NTB_MSI
17
+ bool "MSI Interrupt Support"
18
+ depends on PCI_MSI
19
+ help
20
+ Support using MSI interrupt forwarding instead of (or in addition to)
21
+ hardware doorbells. MSI interrupts typically offer lower latency
22
+ than doorbells and more MSI interrupts can be made available to
23
+ clients. However this requires an extra memory window and support
24
+ in the hardware driver for creating the MSI interrupts.
25
+
26
+ If unsure, say N.
1527 source "drivers/ntb/hw/Kconfig"
1628
1729 source "drivers/ntb/test/Kconfig"