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-rw-r--r--Documentation/PCI/endpoint/pci-test-howto.txt30
1 files changed, 27 insertions, 3 deletions
diff --git a/Documentation/PCI/endpoint/pci-test-howto.txt b/Documentation/PCI/endpoint/pci-test-howto.txt
index 75f48c3bb191..e40cf0fb58d7 100644
--- a/Documentation/PCI/endpoint/pci-test-howto.txt
+++ b/Documentation/PCI/endpoint/pci-test-howto.txt
@@ -45,9 +45,9 @@ The PCI endpoint framework populates the directory with the following
configurable fields.
# ls functions/pci_epf_test/func1
- baseclass_code interrupt_pin revid subsys_vendor_id
- cache_line_size msi_interrupts subclass_code vendorid
- deviceid progif_code subsys_id
+ baseclass_code interrupt_pin progif_code subsys_id
+ cache_line_size msi_interrupts revid subsys_vendorid
+ deviceid msix_interrupts subclass_code vendorid
The PCI endpoint function driver populates these entries with default values
when the device is bound to the driver. The pci-epf-test driver populates
@@ -67,6 +67,7 @@ device, the following commands can be used.
# echo 0x104c > functions/pci_epf_test/func1/vendorid
# echo 0xb500 > functions/pci_epf_test/func1/deviceid
# echo 16 > functions/pci_epf_test/func1/msi_interrupts
+ # echo 8 > functions/pci_epf_test/func1/msix_interrupts
1.5 Binding pci-epf-test Device to EP Controller
@@ -120,7 +121,9 @@ following commands.
Interrupt tests
+ SET IRQ TYPE TO LEGACY: OKAY
LEGACY IRQ: NOT OKAY
+ SET IRQ TYPE TO MSI: OKAY
MSI1: OKAY
MSI2: OKAY
MSI3: OKAY
@@ -153,9 +156,30 @@ following commands.
MSI30: NOT OKAY
MSI31: NOT OKAY
MSI32: NOT OKAY
+ SET IRQ TYPE TO MSI-X: OKAY
+ MSI-X1: OKAY
+ MSI-X2: OKAY
+ MSI-X3: OKAY
+ MSI-X4: OKAY
+ MSI-X5: OKAY
+ MSI-X6: OKAY
+ MSI-X7: OKAY
+ MSI-X8: OKAY
+ MSI-X9: NOT OKAY
+ MSI-X10: NOT OKAY
+ MSI-X11: NOT OKAY
+ MSI-X12: NOT OKAY
+ MSI-X13: NOT OKAY
+ MSI-X14: NOT OKAY
+ MSI-X15: NOT OKAY
+ MSI-X16: NOT OKAY
+ [...]
+ MSI-X2047: NOT OKAY
+ MSI-X2048: NOT OKAY
Read Tests
+ SET IRQ TYPE TO MSI: OKAY
READ ( 1 bytes): OKAY
READ ( 1024 bytes): OKAY
READ ( 1025 bytes): OKAY