diff options
Diffstat (limited to 'Documentation/PCI/endpoint/pci-test-howto.txt')
| -rw-r--r-- | Documentation/PCI/endpoint/pci-test-howto.txt | 49 |
1 files changed, 38 insertions, 11 deletions
diff --git a/Documentation/PCI/endpoint/pci-test-howto.txt b/Documentation/PCI/endpoint/pci-test-howto.txt index 75f48c3bb191..040479f437a5 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 @@ -98,17 +99,20 @@ Note that the devices listed here correspond to the value populated in 1.4 above 2.2 Using Endpoint Test function Device pcitest.sh added in tools/pci/ can be used to run all the default PCI endpoint -tests. Before pcitest.sh can be used pcitest.c should be compiled using the -following commands. +tests. To compile this tool the following commands should be used: - cd <kernel-dir> - make headers_install ARCH=arm - arm-linux-gnueabihf-gcc -Iusr/include tools/pci/pcitest.c -o pcitest - cp pcitest <rootfs>/usr/sbin/ - cp tools/pci/pcitest.sh <rootfs> + # cd <kernel-dir> + # make -C tools/pci + +or if you desire to compile and install in your system: + + # cd <kernel-dir> + # make -C tools/pci install + +The tool and script will be located in <rootfs>/usr/bin/ 2.2.1 pcitest.sh Output - # ./pcitest.sh + # pcitest.sh BAR tests BAR0: OKAY @@ -120,7 +124,9 @@ 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 +159,30 @@ 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 |