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pci-v4.12-changes
-----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJZEHmsAAoJEFmIoMA60/r88SgQAJbFddueb0+DfJ+USDud4b/Z akfS+G1UAm+TgtMyh1wM49dHzFssp36uWJxtWI+bPqBzuy94PMCbz7JVUV28gX9G tFhFuc5YH94I/3y85rbZnolb6uZN9MhLjzTFqDC9ilW6HFqmwK4t4wlHSCjQN1St svLYvs2G6n6/VK3Fre7/wOvdZ1erG4Qod+kn5Tx3K5TQydmRlaSBfK+DRANuDBkM KzGO7Bkc/Cx8hb9pHmaey/wxmNrrgmVjTtWrEnb2tEq833zP4h6GhUIJEKodMSi5 gXPNZgKlu3n5L592M0UCh4EoHejzkv9wrcsoDm+djmsc5Zg2Howq4kAdHP8k4hUG 0gt8n0ni9vhJN56jikrGi7cAdHCKSNnx2Ue/qTCbX0ncB3XUMuJxJwCsgW/6wa9f oU7tRtTS03UltnKoFAcyYclS4TaSY4SA4ySaK6Hi+cRkdVFDdyHQYbHHNSU7MsA+ IS2tXvGoIdSYyrZMHSRcl2rRTfYQUkmPEvBF3LvqZr32M4mJMmUNAPLZaly373ZE iwq0ZJlrLeM0cqdFIG3S60RtJyQk/HBN1NMqrYHArWOxvWIgNd5F8NCsTTxY3wU3 IxgBIuUFcbVwVkqEHGs8K5AvB3oghqdnA3eGOV79799eMtLn3LOvyIlpHMSw9WUq ags00JtMLitfNPBH3eSl =eE4D -----END PGP SIGNATURE----- Merge tag 'pci-v4.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: - add framework for supporting PCIe devices in Endpoint mode (Kishon Vijay Abraham I) - use non-postable PCI config space mappings when possible (Lorenzo Pieralisi) - clean up and unify mmap of PCI BARs (David Woodhouse) - export and unify Function Level Reset support (Christoph Hellwig) - avoid FLR for Intel 82579 NICs (Sasha Neftin) - add pci_request_irq() and pci_free_irq() helpers (Christoph Hellwig) - short-circuit config access failures for disconnected devices (Keith Busch) - remove D3 sleep delay when possible (Adrian Hunter) - freeze PME scan before suspending devices (Lukas Wunner) - stop disabling MSI/MSI-X in pci_device_shutdown() (Prarit Bhargava) - disable boot interrupt quirk for ASUS M2N-LR (Stefan Assmann) - add arch-specific alignment control to improve device passthrough by avoiding multiple BARs in a page (Yongji Xie) - add sysfs sriov_drivers_autoprobe to control VF driver binding (Bodong Wang) - allow slots below PCI-to-PCIe "reverse bridges" (Bjorn Helgaas) - fix crashes when unbinding host controllers that don't support removal (Brian Norris) - add driver for MicroSemi Switchtec management interface (Logan Gunthorpe) - add driver for Faraday Technology FTPCI100 host bridge (Linus Walleij) - add i.MX7D support (Andrey Smirnov) - use generic MSI support for Aardvark (Thomas Petazzoni) - make Rockchip driver modular (Brian Norris) - advertise 128-byte Read Completion Boundary support for Rockchip (Shawn Lin) - advertise PCI_EXP_LNKSTA_SLC for Rockchip root port (Shawn Lin) - convert atomic_t to refcount_t in HV driver (Elena Reshetova) - add CPU IRQ affinity in HV driver (K. Y. Srinivasan) - fix PCI bus removal in HV driver (Long Li) - add support for ThunderX2 DMA alias topology (Jayachandran C) - add ThunderX pass2.x 2nd node MCFG quirk (Tomasz Nowicki) - add ITE 8893 bridge DMA alias quirk (Jarod Wilson) - restrict Cavium ACS quirk only to CN81xx/CN83xx/CN88xx devices (Manish Jaggi) * tag 'pci-v4.12-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (146 commits) PCI: Don't allow unbinding host controllers that aren't prepared ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP MAINTAINERS: Add PCI Endpoint maintainer Documentation: PCI: Add userguide for PCI endpoint test function tools: PCI: Add sample test script to invoke pcitest tools: PCI: Add a userspace tool to test PCI endpoint Documentation: misc-devices: Add Documentation for pci-endpoint-test driver misc: Add host side PCI driver for PCI test function device PCI: Add device IDs for DRA74x and DRA72x dt-bindings: PCI: dra7xx: Add DT bindings to enable unaligned access PCI: dwc: dra7xx: Workaround for errata id i870 dt-bindings: PCI: dra7xx: Add DT bindings for PCI dra7xx EP mode PCI: dwc: dra7xx: Add EP mode support PCI: dwc: dra7xx: Facilitate wrapper and MSI interrupts to be enabled independently dt-bindings: PCI: Add DT bindings for PCI designware EP mode PCI: dwc: designware: Add EP mode support Documentation: PCI: Add binding documentation for pci-test endpoint function ixgbe: Use pcie_flr() instead of duplicating it IB/hfi1: Use pcie_flr() instead of duplicating it PCI: imx6: Fix spelling mistake: "contol" -> "control" ...
This commit is contained in:
Linus Torvalds
commit
857f864014
148 changed files with 8948 additions and 1015 deletions
186
tools/pci/pcitest.c
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186
tools/pci/pcitest.c
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/**
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* Userspace PCI Endpoint Test Module
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*
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* Copyright (C) 2017 Texas Instruments
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* Author: Kishon Vijay Abraham I <kishon@ti.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 of
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* the License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <errno.h>
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#include <fcntl.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/ioctl.h>
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#include <time.h>
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#include <unistd.h>
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#include <linux/pcitest.h>
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#define BILLION 1E9
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static char *result[] = { "NOT OKAY", "OKAY" };
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struct pci_test {
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char *device;
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char barnum;
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bool legacyirq;
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unsigned int msinum;
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bool read;
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bool write;
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bool copy;
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unsigned long size;
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};
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static int run_test(struct pci_test *test)
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{
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long ret;
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int fd;
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struct timespec start, end;
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double time;
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fd = open(test->device, O_RDWR);
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if (fd < 0) {
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perror("can't open PCI Endpoint Test device");
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return fd;
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}
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if (test->barnum >= 0 && test->barnum <= 5) {
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ret = ioctl(fd, PCITEST_BAR, test->barnum);
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fprintf(stdout, "BAR%d:\t\t", test->barnum);
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if (ret < 0)
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fprintf(stdout, "TEST FAILED\n");
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else
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fprintf(stdout, "%s\n", result[ret]);
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}
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if (test->legacyirq) {
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ret = ioctl(fd, PCITEST_LEGACY_IRQ, 0);
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fprintf(stdout, "LEGACY IRQ:\t");
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if (ret < 0)
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fprintf(stdout, "TEST FAILED\n");
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else
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fprintf(stdout, "%s\n", result[ret]);
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}
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if (test->msinum > 0 && test->msinum <= 32) {
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ret = ioctl(fd, PCITEST_MSI, test->msinum);
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fprintf(stdout, "MSI%d:\t\t", test->msinum);
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if (ret < 0)
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fprintf(stdout, "TEST FAILED\n");
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else
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fprintf(stdout, "%s\n", result[ret]);
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}
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if (test->write) {
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ret = ioctl(fd, PCITEST_WRITE, test->size);
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fprintf(stdout, "WRITE (%7ld bytes):\t\t", test->size);
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if (ret < 0)
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fprintf(stdout, "TEST FAILED\n");
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else
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fprintf(stdout, "%s\n", result[ret]);
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}
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if (test->read) {
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ret = ioctl(fd, PCITEST_READ, test->size);
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fprintf(stdout, "READ (%7ld bytes):\t\t", test->size);
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if (ret < 0)
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fprintf(stdout, "TEST FAILED\n");
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else
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fprintf(stdout, "%s\n", result[ret]);
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}
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if (test->copy) {
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ret = ioctl(fd, PCITEST_COPY, test->size);
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fprintf(stdout, "COPY (%7ld bytes):\t\t", test->size);
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if (ret < 0)
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fprintf(stdout, "TEST FAILED\n");
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else
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fprintf(stdout, "%s\n", result[ret]);
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}
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fflush(stdout);
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}
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int main(int argc, char **argv)
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{
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int c;
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struct pci_test *test;
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test = calloc(1, sizeof(*test));
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if (!test) {
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perror("Fail to allocate memory for pci_test\n");
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return -ENOMEM;
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}
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/* since '0' is a valid BAR number, initialize it to -1 */
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test->barnum = -1;
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/* set default size as 100KB */
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test->size = 0x19000;
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/* set default endpoint device */
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test->device = "/dev/pci-endpoint-test.0";
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while ((c = getopt(argc, argv, "D:b:m:lrwcs:")) != EOF)
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switch (c) {
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case 'D':
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test->device = optarg;
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continue;
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case 'b':
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test->barnum = atoi(optarg);
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if (test->barnum < 0 || test->barnum > 5)
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goto usage;
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continue;
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case 'l':
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test->legacyirq = true;
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continue;
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case 'm':
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test->msinum = atoi(optarg);
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if (test->msinum < 1 || test->msinum > 32)
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goto usage;
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continue;
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case 'r':
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test->read = true;
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continue;
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case 'w':
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test->write = true;
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continue;
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case 'c':
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test->copy = true;
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continue;
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case 's':
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test->size = strtoul(optarg, NULL, 0);
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continue;
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case '?':
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case 'h':
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default:
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usage:
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fprintf(stderr,
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"usage: %s [options]\n"
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"Options:\n"
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"\t-D <dev> PCI endpoint test device {default: /dev/pci-endpoint-test.0}\n"
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"\t-b <bar num> BAR test (bar number between 0..5)\n"
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"\t-m <msi num> MSI test (msi number between 1..32)\n"
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"\t-r Read buffer test\n"
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"\t-w Write buffer test\n"
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"\t-c Copy buffer test\n"
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"\t-s <size> Size of buffer {default: 100KB}\n",
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argv[0]);
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return -EINVAL;
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}
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run_test(test);
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return 0;
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}
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56
tools/pci/pcitest.sh
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56
tools/pci/pcitest.sh
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@ -0,0 +1,56 @@
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#!/bin/sh
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echo "BAR tests"
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echo
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bar=0
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while [ $bar -lt 6 ]
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do
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pcitest -b $bar
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bar=`expr $bar + 1`
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done
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echo
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echo "Interrupt tests"
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echo
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pcitest -l
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msi=1
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while [ $msi -lt 33 ]
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do
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pcitest -m $msi
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msi=`expr $msi + 1`
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done
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echo
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echo "Read Tests"
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echo
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pcitest -r -s 1
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pcitest -r -s 1024
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pcitest -r -s 1025
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pcitest -r -s 1024000
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pcitest -r -s 1024001
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echo
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echo "Write Tests"
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echo
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pcitest -w -s 1
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pcitest -w -s 1024
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pcitest -w -s 1025
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pcitest -w -s 1024000
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pcitest -w -s 1024001
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echo
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echo "Copy Tests"
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echo
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pcitest -c -s 1
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pcitest -c -s 1024
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pcitest -c -s 1025
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pcitest -c -s 1024000
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pcitest -c -s 1024001
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echo
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