2  * QEMU "pci-testdev" PCI test device
9 #include "asm/io.h"
102 	u8 width;  in pci_testdev_one()  local
107 	ops->io_writeb(test_nr, &test->test);  in pci_testdev_one()
108 	count = ops->io_readl(&test->count);  in pci_testdev_one()
112 	width = ops->io_readb(&test->width);  in pci_testdev_one()
113 	if (width != 1 && width != 2 && width != 4)  in pci_testdev_one()
116 	sig = ops->io_readl(&test->data);  in pci_testdev_one()
117 	off = ops->io_readl(&test->offset);  in pci_testdev_one()
120 		switch (width) {  in pci_testdev_one()
121 		case 1: ops->io_writeb(sig, (void *)test + off); break;  in pci_testdev_one()
122 		case 2: ops->io_writew(sig, (void *)test + off); break;  in pci_testdev_one()
123 		case 4: ops->io_writel(sig, (void *)test + off); break;  in pci_testdev_one()
127 	count = ops->io_readl(&test->count);  in pci_testdev_one()
137 	bool io = (ops == &pci_testdev_io_ops);  in pci_testdev_print()  local
140 	printf("pci-testdev %3s: ", io ? "io" : "mem");  in pci_testdev_print()
142 		char c = ops->io_readb(&test->name[i]);  in pci_testdev_print()
169 	void __iomem *mem, *io;  in pci_testdev()  local
175 		printf("'pci-testdev' device is not found, "  in pci_testdev()
176 		       "check QEMU '-device pci-testdev' parameter\n");  in pci_testdev()
177 		return -1;  in pci_testdev()
189 	io = (void *)(unsigned long)addr;  in pci_testdev()
191 	io = ioremap(addr, PAGE_SIZE);  in pci_testdev()
195 	nr_tests += pci_testdev_all(io, &pci_testdev_io_ops);  in pci_testdev()