tools: PCI: Add 'd' command line option to support DMA (73c57626) · Commits · 戴 / test

include/uapi/linux/pcitest.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -20,4 +20,11 @@
		#define PCITEST_SET_IRQTYPE _IOW('P', 0x8, int)
		#define PCITEST_GET_IRQTYPE _IO('P', 0x9)

		#define PCITEST_FLAGS_USE_DMA 0x00000001

		struct pci_endpoint_test_xfer_param {
		unsigned long size;
		unsigned char flags;
		};

		#endif /* __UAPI_LINUX_PCITEST_H */

tools/pci/pcitest.c

+19 −4

Original line number	Diff line number	Diff line
		@@ -34,10 +34,12 @@ struct pci_test {
		bool write;
		bool copy;
		unsigned long size;
		bool use_dma;
		};

		static int run_test(struct pci_test *test)
		{
		struct pci_endpoint_test_xfer_param param;
		int ret = -EINVAL;
		int fd;

		@@ -102,7 +104,10 @@ static int run_test(struct pci_test *test)
		}

		if (test->write) {
		ret = ioctl(fd, PCITEST_WRITE, test->size);
		param.size = test->size;
		if (test->use_dma)
		param.flags = PCITEST_FLAGS_USE_DMA;
		ret = ioctl(fd, PCITEST_WRITE, &param);
		fprintf(stdout, "WRITE (%7ld bytes):\t\t", test->size);
		if (ret < 0)
		fprintf(stdout, "TEST FAILED\n");
		@@ -111,7 +116,10 @@ static int run_test(struct pci_test *test)
		}

		if (test->read) {
		ret = ioctl(fd, PCITEST_READ, test->size);
		param.size = test->size;
		if (test->use_dma)
		param.flags = PCITEST_FLAGS_USE_DMA;
		ret = ioctl(fd, PCITEST_READ, &param);
		fprintf(stdout, "READ (%7ld bytes):\t\t", test->size);
		if (ret < 0)
		fprintf(stdout, "TEST FAILED\n");
		@@ -120,7 +128,10 @@ static int run_test(struct pci_test *test)
		}

		if (test->copy) {
		ret = ioctl(fd, PCITEST_COPY, test->size);
		param.size = test->size;
		if (test->use_dma)
		param.flags = PCITEST_FLAGS_USE_DMA;
		ret = ioctl(fd, PCITEST_COPY, &param);
		fprintf(stdout, "COPY (%7ld bytes):\t\t", test->size);
		if (ret < 0)
		fprintf(stdout, "TEST FAILED\n");
		@@ -153,7 +164,7 @@ int main(int argc, char **argv)
		/* set default endpoint device */
		test->device = "/dev/pci-endpoint-test.0";

		while ((c = getopt(argc, argv, "D:b:m:x:i:Ilhrwcs:")) != EOF)
		while ((c = getopt(argc, argv, "D:b:m:x:i:dIlhrwcs:")) != EOF)
		switch (c) {
		case 'D':
		test->device = optarg;
		@@ -197,6 +208,9 @@ int main(int argc, char **argv)
		case 's':
		test->size = strtoul(optarg, NULL, 0);
		continue;
		case 'd':
		test->use_dma = true;
		continue;
		case 'h':
		default:
		usage:
		@@ -209,6 +223,7 @@ usage:
		"\t-x <msix num> \tMSI-X test (msix number between 1..2048)\n"
		"\t-i <irq type> \tSet IRQ type (0 - Legacy, 1 - MSI, 2 - MSI-X)\n"
		"\t-I Get current IRQ type configured\n"
		"\t-d Use DMA\n"
		"\t-l Legacy IRQ test\n"
		"\t-r Read buffer test\n"
		"\t-w Write buffer test\n"

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