47 static void xen_host_pci_fill_local_addr(XenHostPCIDevice *d, Error **errp)  in xen_host_pci_fill_local_addr()  argument
61                       "%d", &num_devs) != 1) {  in xen_host_pci_fill_local_addr()
67         snprintf(path, sizeof(path), "dev-%d", i);  in xen_host_pci_fill_local_addr()
73         if (domain != d->domain ||  in xen_host_pci_fill_local_addr()
74                 bus != d->bus ||  in xen_host_pci_fill_local_addr()
75                 dev != d->dev ||  in xen_host_pci_fill_local_addr()
76                 func != d->func)  in xen_host_pci_fill_local_addr()
78         snprintf(path, sizeof(path), "vdev-%d", i);  in xen_host_pci_fill_local_addr()
84         d->local_domain = domain;  in xen_host_pci_fill_local_addr()
85         d->local_bus = bus;  in xen_host_pci_fill_local_addr()
86         d->local_dev = dev;  in xen_host_pci_fill_local_addr()
87         d->local_func = func;  in xen_host_pci_fill_local_addr()
91                d->domain, d->bus, d->dev, d->func);  in xen_host_pci_fill_local_addr()
97 static void xen_host_pci_sysfs_path(const XenHostPCIDevice *d,  in xen_host_pci_sysfs_path()  argument
102     rc = snprintf(buf, size, "/sys/bus/pci/devices/%04x:%02x:%02x.%d/%s",  in xen_host_pci_sysfs_path()
103                   d->local_domain, d->local_bus, d->local_dev, d->local_func,  in xen_host_pci_sysfs_path()
111 static void xen_host_pci_get_resource(XenHostPCIDevice *d, Error **errp)  in xen_host_pci_get_resource()  argument
120     xen_host_pci_sysfs_path(d, "resource", path, sizeof(path));  in xen_host_pci_get_resource()
177             d->io_regions[i].base_addr = start;  in xen_host_pci_get_resource()
178             d->io_regions[i].size = size;  in xen_host_pci_get_resource()
179             d->io_regions[i].type = type;  in xen_host_pci_get_resource()
180             d->io_regions[i].bus_flags = flags & IORESOURCE_BITS;  in xen_host_pci_get_resource()
182             d->rom.base_addr = start;  in xen_host_pci_get_resource()
183             d->rom.size = size;  in xen_host_pci_get_resource()
184             d->rom.type = type;  in xen_host_pci_get_resource()
185             d->rom.bus_flags = flags & IORESOURCE_BITS;  in xen_host_pci_get_resource()
199 static void xen_host_pci_get_value(XenHostPCIDevice *d, const char *name,  in xen_host_pci_get_value()  argument
208     xen_host_pci_sysfs_path(d, name, path, sizeof(path));  in xen_host_pci_get_value()
237 static inline void xen_host_pci_get_hex_value(XenHostPCIDevice *d,  in xen_host_pci_get_hex_value()  argument
242     xen_host_pci_get_value(d, name, pvalue, 16, errp);  in xen_host_pci_get_hex_value()
245 static inline void xen_host_pci_get_dec_value(XenHostPCIDevice *d,  in xen_host_pci_get_dec_value()  argument
250     xen_host_pci_get_value(d, name, pvalue, 10, errp);  in xen_host_pci_get_dec_value()
253 static bool xen_host_pci_dev_is_virtfn(XenHostPCIDevice *d)  in xen_host_pci_dev_is_virtfn()  argument
258     xen_host_pci_sysfs_path(d, "physfn", path, sizeof(path));  in xen_host_pci_dev_is_virtfn()
263 static void xen_host_pci_config_open(XenHostPCIDevice *d, Error **errp)  in xen_host_pci_config_open()  argument
267     xen_host_pci_sysfs_path(d, "config", path, sizeof(path));  in xen_host_pci_config_open()
269     d->config_fd = open(path, O_RDWR);  in xen_host_pci_config_open()
270     if (d->config_fd == -1) {  in xen_host_pci_config_open()
275 static int xen_host_pci_config_read(XenHostPCIDevice *d,  in xen_host_pci_config_read()  argument
281         rc = pread(d->config_fd, buf, len, pos);  in xen_host_pci_config_read()
289 static int xen_host_pci_config_write(XenHostPCIDevice *d,  in xen_host_pci_config_write()  argument
295         rc = pwrite(d->config_fd, buf, len, pos);  in xen_host_pci_config_write()
304 int xen_host_pci_get_byte(XenHostPCIDevice *d, int pos, uint8_t *p)  in xen_host_pci_get_byte()  argument
307     int rc = xen_host_pci_config_read(d, pos, &buf, 1);  in xen_host_pci_get_byte()
314 int xen_host_pci_get_word(XenHostPCIDevice *d, int pos, uint16_t *p)  in xen_host_pci_get_word()  argument
317     int rc = xen_host_pci_config_read(d, pos, &buf, 2);  in xen_host_pci_get_word()
324 int xen_host_pci_get_long(XenHostPCIDevice *d, int pos, uint32_t *p)  in xen_host_pci_get_long()  argument
327     int rc = xen_host_pci_config_read(d, pos, &buf, 4);  in xen_host_pci_get_long()
334 int xen_host_pci_get_block(XenHostPCIDevice *d, int pos, uint8_t *buf, int len)  in xen_host_pci_get_block()  argument
336     return xen_host_pci_config_read(d, pos, buf, len);  in xen_host_pci_get_block()
339 int xen_host_pci_set_byte(XenHostPCIDevice *d, int pos, uint8_t data)  in xen_host_pci_set_byte()  argument
341     return xen_host_pci_config_write(d, pos, &data, 1);  in xen_host_pci_set_byte()
344 int xen_host_pci_set_word(XenHostPCIDevice *d, int pos, uint16_t data)  in xen_host_pci_set_word()  argument
347     return xen_host_pci_config_write(d, pos, &data, 2);  in xen_host_pci_set_word()
350 int xen_host_pci_set_long(XenHostPCIDevice *d, int pos, uint32_t data)  in xen_host_pci_set_long()  argument
353     return xen_host_pci_config_write(d, pos, &data, 4);  in xen_host_pci_set_long()
356 int xen_host_pci_set_block(XenHostPCIDevice *d, int pos, uint8_t *buf, int len)  in xen_host_pci_set_block()  argument
358     return xen_host_pci_config_write(d, pos, buf, len);  in xen_host_pci_set_block()
361 int xen_host_pci_find_ext_cap_offset(XenHostPCIDevice *d, uint32_t cap)  in xen_host_pci_find_ext_cap_offset()  argument
368         if (xen_host_pci_get_long(d, pos, &header)) {  in xen_host_pci_find_ext_cap_offset()
394 void xen_host_pci_device_get(XenHostPCIDevice *d, uint16_t domain,  in xen_host_pci_device_get()  argument
401     d->config_fd = -1;  in xen_host_pci_device_get()
402     d->domain = domain;  in xen_host_pci_device_get()
403     d->bus = bus;  in xen_host_pci_device_get()
404     d->dev = dev;  in xen_host_pci_device_get()
405     d->func = func;  in xen_host_pci_device_get()
408         xen_host_pci_fill_local_addr(d, errp);  in xen_host_pci_device_get()
413         d->local_domain = d->domain;  in xen_host_pci_device_get()
414         d->local_bus = d->bus;  in xen_host_pci_device_get()
415         d->local_dev = d->dev;  in xen_host_pci_device_get()
416         d->local_func = d->func;  in xen_host_pci_device_get()
419     xen_host_pci_config_open(d, errp);  in xen_host_pci_device_get()
424     xen_host_pci_get_resource(d, errp);  in xen_host_pci_device_get()
429     xen_host_pci_get_hex_value(d, "vendor", &v, errp);  in xen_host_pci_device_get()
433     d->vendor_id = v;  in xen_host_pci_device_get()
435     xen_host_pci_get_hex_value(d, "device", &v, errp);  in xen_host_pci_device_get()
439     d->device_id = v;  in xen_host_pci_device_get()
441     xen_host_pci_get_dec_value(d, "irq", &v, errp);  in xen_host_pci_device_get()
445     d->irq = v;  in xen_host_pci_device_get()
447     xen_host_pci_get_hex_value(d, "class", &v, errp);  in xen_host_pci_device_get()
451     d->class_code = v;  in xen_host_pci_device_get()
453     d->is_virtfn = xen_host_pci_dev_is_virtfn(d);  in xen_host_pci_device_get()
459     if (d->config_fd >= 0) {  in xen_host_pci_device_get()
460         close(d->config_fd);  in xen_host_pci_device_get()
461         d->config_fd = -1;  in xen_host_pci_device_get()
465 bool xen_host_pci_device_closed(XenHostPCIDevice *d)  in xen_host_pci_device_closed()  argument
467     return d->config_fd == -1;  in xen_host_pci_device_closed()
470 void xen_host_pci_device_put(XenHostPCIDevice *d)  in xen_host_pci_device_put()  argument
472     if (d->config_fd >= 0) {  in xen_host_pci_device_put()
473         close(d->config_fd);  in xen_host_pci_device_put()
474         d->config_fd = -1;  in xen_host_pci_device_put()