Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #include <linux/kernel.h> |
| 2 | #include <linux/errno.h> |
| 3 | #include <linux/init.h> |
| 4 | #include <linux/slab.h> |
| 5 | #include <linux/mm.h> |
| 6 | #include <linux/module.h> |
| 7 | #include <linux/moduleparam.h> |
David Hardeman | 378f058 | 2005-09-17 17:55:31 +1000 | [diff] [blame] | 8 | #include <linux/scatterlist.h> |
Matthias Kaehlcke | 1cfab02 | 2007-12-13 16:15:33 -0800 | [diff] [blame] | 9 | #include <linux/mutex.h> |
Alan Stern | 32b36ee | 2014-06-03 11:11:34 -0400 | [diff] [blame] | 10 | #include <linux/timer.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | #include <linux/usb.h> |
| 12 | |
Roger Quadros | e5e4746 | 2013-12-18 15:40:10 +0530 | [diff] [blame] | 13 | #define SIMPLE_IO_TIMEOUT 10000 /* in milliseconds */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | |
| 15 | /*-------------------------------------------------------------------------*/ |
| 16 | |
Alan Stern | d0b4652 | 2013-01-30 16:38:11 -0500 | [diff] [blame] | 17 | static int override_alt = -1; |
| 18 | module_param_named(alt, override_alt, int, 0644); |
| 19 | MODULE_PARM_DESC(alt, ">= 0 to override altsetting selection"); |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 20 | static void complicated_callback(struct urb *urb); |
Alan Stern | d0b4652 | 2013-01-30 16:38:11 -0500 | [diff] [blame] | 21 | |
| 22 | /*-------------------------------------------------------------------------*/ |
| 23 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 24 | /* FIXME make these public somewhere; usbdevfs.h? */ |
Deepa Dinamani | 18fc4eb | 2015-11-04 15:29:11 -0800 | [diff] [blame] | 25 | |
| 26 | /* Parameter for usbtest driver. */ |
| 27 | struct usbtest_param_32 { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 28 | /* inputs */ |
Deepa Dinamani | 18fc4eb | 2015-11-04 15:29:11 -0800 | [diff] [blame] | 29 | __u32 test_num; /* 0..(TEST_CASES-1) */ |
| 30 | __u32 iterations; |
| 31 | __u32 length; |
| 32 | __u32 vary; |
| 33 | __u32 sglen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 34 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 35 | /* outputs */ |
Deepa Dinamani | 18fc4eb | 2015-11-04 15:29:11 -0800 | [diff] [blame] | 36 | __s32 duration_sec; |
| 37 | __s32 duration_usec; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | }; |
Deepa Dinamani | 18fc4eb | 2015-11-04 15:29:11 -0800 | [diff] [blame] | 39 | |
| 40 | /* |
| 41 | * Compat parameter to the usbtest driver. |
| 42 | * This supports older user space binaries compiled with 64 bit compiler. |
| 43 | */ |
| 44 | struct usbtest_param_64 { |
| 45 | /* inputs */ |
| 46 | __u32 test_num; /* 0..(TEST_CASES-1) */ |
| 47 | __u32 iterations; |
| 48 | __u32 length; |
| 49 | __u32 vary; |
| 50 | __u32 sglen; |
| 51 | |
| 52 | /* outputs */ |
| 53 | __s64 duration_sec; |
| 54 | __s64 duration_usec; |
| 55 | }; |
| 56 | |
| 57 | /* IOCTL interface to the driver. */ |
| 58 | #define USBTEST_REQUEST_32 _IOWR('U', 100, struct usbtest_param_32) |
| 59 | /* COMPAT IOCTL interface to the driver. */ |
| 60 | #define USBTEST_REQUEST_64 _IOWR('U', 100, struct usbtest_param_64) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | |
| 62 | /*-------------------------------------------------------------------------*/ |
| 63 | |
| 64 | #define GENERIC /* let probe() bind using module params */ |
| 65 | |
| 66 | /* Some devices that can be used for testing will have "real" drivers. |
| 67 | * Entries for those need to be enabled here by hand, after disabling |
| 68 | * that "real" driver. |
| 69 | */ |
| 70 | //#define IBOT2 /* grab iBOT2 webcams */ |
| 71 | //#define KEYSPAN_19Qi /* grab un-renumerated serial adapter */ |
| 72 | |
| 73 | /*-------------------------------------------------------------------------*/ |
| 74 | |
| 75 | struct usbtest_info { |
| 76 | const char *name; |
| 77 | u8 ep_in; /* bulk/intr source */ |
| 78 | u8 ep_out; /* bulk/intr sink */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 79 | unsigned autoconf:1; |
| 80 | unsigned ctrl_out:1; |
| 81 | unsigned iso:1; /* try iso in/out */ |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 82 | unsigned intr:1; /* try interrupt in/out */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | int alt; |
| 84 | }; |
| 85 | |
| 86 | /* this is accessed only through usbfs ioctl calls. |
| 87 | * one ioctl to issue a test ... one lock per device. |
| 88 | * tests create other threads if they need them. |
| 89 | * urbs and buffers are allocated dynamically, |
| 90 | * and data generated deterministically. |
| 91 | */ |
| 92 | struct usbtest_dev { |
| 93 | struct usb_interface *intf; |
| 94 | struct usbtest_info *info; |
| 95 | int in_pipe; |
| 96 | int out_pipe; |
| 97 | int in_iso_pipe; |
| 98 | int out_iso_pipe; |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 99 | int in_int_pipe; |
| 100 | int out_int_pipe; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | struct usb_endpoint_descriptor *iso_in, *iso_out; |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 102 | struct usb_endpoint_descriptor *int_in, *int_out; |
Matthias Kaehlcke | 1cfab02 | 2007-12-13 16:15:33 -0800 | [diff] [blame] | 103 | struct mutex lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | |
| 105 | #define TBUF_SIZE 256 |
| 106 | u8 *buf; |
| 107 | }; |
| 108 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 109 | static struct usb_device *testdev_to_usbdev(struct usbtest_dev *test) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 111 | return interface_to_usbdev(test->intf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | } |
| 113 | |
| 114 | /* set up all urbs so they can be used with either bulk or interrupt */ |
| 115 | #define INTERRUPT_RATE 1 /* msec/transfer */ |
| 116 | |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 117 | #define ERROR(tdev, fmt, args...) \ |
| 118 | dev_err(&(tdev)->intf->dev , fmt , ## args) |
Arjan van de Ven | b6c6393 | 2008-07-25 01:45:52 -0700 | [diff] [blame] | 119 | #define WARNING(tdev, fmt, args...) \ |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 120 | dev_warn(&(tdev)->intf->dev , fmt , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 122 | #define GUARD_BYTE 0xA5 |
Peter Chen | 41d3c0b | 2015-09-01 09:47:58 +0800 | [diff] [blame] | 123 | #define MAX_SGLEN 128 |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 124 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | /*-------------------------------------------------------------------------*/ |
| 126 | |
| 127 | static int |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 128 | get_endpoints(struct usbtest_dev *dev, struct usb_interface *intf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | { |
| 130 | int tmp; |
| 131 | struct usb_host_interface *alt; |
| 132 | struct usb_host_endpoint *in, *out; |
| 133 | struct usb_host_endpoint *iso_in, *iso_out; |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 134 | struct usb_host_endpoint *int_in, *int_out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | struct usb_device *udev; |
| 136 | |
| 137 | for (tmp = 0; tmp < intf->num_altsetting; tmp++) { |
| 138 | unsigned ep; |
| 139 | |
| 140 | in = out = NULL; |
| 141 | iso_in = iso_out = NULL; |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 142 | int_in = int_out = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | alt = intf->altsetting + tmp; |
| 144 | |
Alan Stern | d0b4652 | 2013-01-30 16:38:11 -0500 | [diff] [blame] | 145 | if (override_alt >= 0 && |
| 146 | override_alt != alt->desc.bAlternateSetting) |
| 147 | continue; |
| 148 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | /* take the first altsetting with in-bulk + out-bulk; |
Justin P. Mattock | 70f23fd | 2011-05-10 10:16:21 +0200 | [diff] [blame] | 150 | * ignore other endpoints and altsettings. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | */ |
| 152 | for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) { |
| 153 | struct usb_host_endpoint *e; |
| 154 | |
| 155 | e = alt->endpoint + ep; |
Huang Rui | 9a37a50 | 2013-09-24 00:03:43 +0800 | [diff] [blame] | 156 | switch (usb_endpoint_type(&e->desc)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | case USB_ENDPOINT_XFER_BULK: |
| 158 | break; |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 159 | case USB_ENDPOINT_XFER_INT: |
| 160 | if (dev->info->intr) |
| 161 | goto try_intr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | case USB_ENDPOINT_XFER_ISOC: |
| 163 | if (dev->info->iso) |
| 164 | goto try_iso; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 165 | /* FALLTHROUGH */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | default: |
| 167 | continue; |
| 168 | } |
Luiz Fernando N. Capitulino | 4d823dd | 2006-10-26 13:03:02 -0300 | [diff] [blame] | 169 | if (usb_endpoint_dir_in(&e->desc)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | if (!in) |
| 171 | in = e; |
| 172 | } else { |
| 173 | if (!out) |
| 174 | out = e; |
| 175 | } |
| 176 | continue; |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 177 | try_intr: |
| 178 | if (usb_endpoint_dir_in(&e->desc)) { |
| 179 | if (!int_in) |
| 180 | int_in = e; |
| 181 | } else { |
| 182 | if (!int_out) |
| 183 | int_out = e; |
| 184 | } |
| 185 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | try_iso: |
Luiz Fernando N. Capitulino | 4d823dd | 2006-10-26 13:03:02 -0300 | [diff] [blame] | 187 | if (usb_endpoint_dir_in(&e->desc)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | if (!iso_in) |
| 189 | iso_in = e; |
| 190 | } else { |
| 191 | if (!iso_out) |
| 192 | iso_out = e; |
| 193 | } |
| 194 | } |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 195 | if ((in && out) || iso_in || iso_out || int_in || int_out) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | goto found; |
| 197 | } |
| 198 | return -EINVAL; |
| 199 | |
| 200 | found: |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 201 | udev = testdev_to_usbdev(dev); |
Alan Stern | d0b4652 | 2013-01-30 16:38:11 -0500 | [diff] [blame] | 202 | dev->info->alt = alt->desc.bAlternateSetting; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | if (alt->desc.bAlternateSetting != 0) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 204 | tmp = usb_set_interface(udev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | alt->desc.bInterfaceNumber, |
| 206 | alt->desc.bAlternateSetting); |
| 207 | if (tmp < 0) |
| 208 | return tmp; |
| 209 | } |
| 210 | |
| 211 | if (in) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 212 | dev->in_pipe = usb_rcvbulkpipe(udev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | in->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 214 | dev->out_pipe = usb_sndbulkpipe(udev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 215 | out->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); |
| 216 | } |
| 217 | if (iso_in) { |
| 218 | dev->iso_in = &iso_in->desc; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 219 | dev->in_iso_pipe = usb_rcvisocpipe(udev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | iso_in->desc.bEndpointAddress |
| 221 | & USB_ENDPOINT_NUMBER_MASK); |
Ming Lei | 951fd8e | 2010-08-02 22:09:17 +0800 | [diff] [blame] | 222 | } |
| 223 | |
| 224 | if (iso_out) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | dev->iso_out = &iso_out->desc; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 226 | dev->out_iso_pipe = usb_sndisocpipe(udev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | iso_out->desc.bEndpointAddress |
| 228 | & USB_ENDPOINT_NUMBER_MASK); |
| 229 | } |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 230 | |
| 231 | if (int_in) { |
| 232 | dev->int_in = &int_in->desc; |
| 233 | dev->in_int_pipe = usb_rcvintpipe(udev, |
| 234 | int_in->desc.bEndpointAddress |
| 235 | & USB_ENDPOINT_NUMBER_MASK); |
| 236 | } |
| 237 | |
| 238 | if (int_out) { |
| 239 | dev->int_out = &int_out->desc; |
| 240 | dev->out_int_pipe = usb_sndintpipe(udev, |
| 241 | int_out->desc.bEndpointAddress |
| 242 | & USB_ENDPOINT_NUMBER_MASK); |
| 243 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | return 0; |
| 245 | } |
| 246 | |
| 247 | /*-------------------------------------------------------------------------*/ |
| 248 | |
| 249 | /* Support for testing basic non-queued I/O streams. |
| 250 | * |
| 251 | * These just package urbs as requests that can be easily canceled. |
| 252 | * Each urb's data buffer is dynamically allocated; callers can fill |
| 253 | * them with non-zero test data (or test for it) when appropriate. |
| 254 | */ |
| 255 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 256 | static void simple_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | { |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 258 | complete(urb->context); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | } |
| 260 | |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 261 | static struct urb *usbtest_alloc_urb( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | struct usb_device *udev, |
| 263 | int pipe, |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 264 | unsigned long bytes, |
| 265 | unsigned transfer_flags, |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 266 | unsigned offset, |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 267 | u8 bInterval, |
| 268 | usb_complete_t complete_fn) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | { |
| 270 | struct urb *urb; |
| 271 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 272 | urb = usb_alloc_urb(0, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | if (!urb) |
| 274 | return urb; |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 275 | |
| 276 | if (bInterval) |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 277 | usb_fill_int_urb(urb, udev, pipe, NULL, bytes, complete_fn, |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 278 | NULL, bInterval); |
| 279 | else |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 280 | usb_fill_bulk_urb(urb, udev, pipe, NULL, bytes, complete_fn, |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 281 | NULL); |
| 282 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | urb->interval = (udev->speed == USB_SPEED_HIGH) |
| 284 | ? (INTERRUPT_RATE << 3) |
| 285 | : INTERRUPT_RATE; |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 286 | urb->transfer_flags = transfer_flags; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 287 | if (usb_pipein(pipe)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | urb->transfer_flags |= URB_SHORT_NOT_OK; |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 289 | |
| 290 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) |
| 291 | urb->transfer_buffer = usb_alloc_coherent(udev, bytes + offset, |
| 292 | GFP_KERNEL, &urb->transfer_dma); |
| 293 | else |
| 294 | urb->transfer_buffer = kmalloc(bytes + offset, GFP_KERNEL); |
| 295 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | if (!urb->transfer_buffer) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 297 | usb_free_urb(urb); |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 298 | return NULL; |
| 299 | } |
| 300 | |
| 301 | /* To test unaligned transfers add an offset and fill the |
| 302 | unused memory with a guard value */ |
| 303 | if (offset) { |
| 304 | memset(urb->transfer_buffer, GUARD_BYTE, offset); |
| 305 | urb->transfer_buffer += offset; |
| 306 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) |
| 307 | urb->transfer_dma += offset; |
| 308 | } |
| 309 | |
| 310 | /* For inbound transfers use guard byte so that test fails if |
| 311 | data not correctly copied */ |
| 312 | memset(urb->transfer_buffer, |
| 313 | usb_pipein(urb->pipe) ? GUARD_BYTE : 0, |
| 314 | bytes); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 315 | return urb; |
| 316 | } |
| 317 | |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 318 | static struct urb *simple_alloc_urb( |
| 319 | struct usb_device *udev, |
| 320 | int pipe, |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 321 | unsigned long bytes, |
| 322 | u8 bInterval) |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 323 | { |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 324 | return usbtest_alloc_urb(udev, pipe, bytes, URB_NO_TRANSFER_DMA_MAP, 0, |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 325 | bInterval, simple_callback); |
| 326 | } |
| 327 | |
| 328 | static struct urb *complicated_alloc_urb( |
| 329 | struct usb_device *udev, |
| 330 | int pipe, |
| 331 | unsigned long bytes, |
| 332 | u8 bInterval) |
| 333 | { |
| 334 | return usbtest_alloc_urb(udev, pipe, bytes, URB_NO_TRANSFER_DMA_MAP, 0, |
| 335 | bInterval, complicated_callback); |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 336 | } |
| 337 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 338 | static unsigned pattern; |
Vikram Pandita | 7f4e985 | 2009-11-09 21:24:32 -0600 | [diff] [blame] | 339 | static unsigned mod_pattern; |
| 340 | module_param_named(pattern, mod_pattern, uint, S_IRUGO | S_IWUSR); |
| 341 | MODULE_PARM_DESC(mod_pattern, "i/o pattern (0 == zeroes)"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | |
Alan Stern | b9a6e8e | 2015-09-01 09:48:01 +0800 | [diff] [blame] | 343 | static unsigned get_maxpacket(struct usb_device *udev, int pipe) |
| 344 | { |
| 345 | struct usb_host_endpoint *ep; |
| 346 | |
| 347 | ep = usb_pipe_endpoint(udev, pipe); |
| 348 | return le16_to_cpup(&ep->desc.wMaxPacketSize); |
| 349 | } |
| 350 | |
| 351 | static void simple_fill_buf(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | { |
| 353 | unsigned i; |
| 354 | u8 *buf = urb->transfer_buffer; |
| 355 | unsigned len = urb->transfer_buffer_length; |
Alan Stern | b9a6e8e | 2015-09-01 09:48:01 +0800 | [diff] [blame] | 356 | unsigned maxpacket; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | |
| 358 | switch (pattern) { |
| 359 | default: |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 360 | /* FALLTHROUGH */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | case 0: |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 362 | memset(buf, 0, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | break; |
| 364 | case 1: /* mod63 */ |
Alan Stern | b9a6e8e | 2015-09-01 09:48:01 +0800 | [diff] [blame] | 365 | maxpacket = get_maxpacket(urb->dev, urb->pipe); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | for (i = 0; i < len; i++) |
Alan Stern | b9a6e8e | 2015-09-01 09:48:01 +0800 | [diff] [blame] | 367 | *buf++ = (u8) ((i % maxpacket) % 63); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | break; |
| 369 | } |
| 370 | } |
| 371 | |
Greg Dietsche | 304b0b5 | 2011-05-08 22:51:43 -0500 | [diff] [blame] | 372 | static inline unsigned long buffer_offset(void *buf) |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 373 | { |
Greg Dietsche | 304b0b5 | 2011-05-08 22:51:43 -0500 | [diff] [blame] | 374 | return (unsigned long)buf & (ARCH_KMALLOC_MINALIGN - 1); |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 375 | } |
| 376 | |
| 377 | static int check_guard_bytes(struct usbtest_dev *tdev, struct urb *urb) |
| 378 | { |
| 379 | u8 *buf = urb->transfer_buffer; |
| 380 | u8 *guard = buf - buffer_offset(buf); |
| 381 | unsigned i; |
| 382 | |
| 383 | for (i = 0; guard < buf; i++, guard++) { |
| 384 | if (*guard != GUARD_BYTE) { |
| 385 | ERROR(tdev, "guard byte[%d] %d (not %d)\n", |
| 386 | i, *guard, GUARD_BYTE); |
| 387 | return -EINVAL; |
| 388 | } |
| 389 | } |
| 390 | return 0; |
| 391 | } |
| 392 | |
| 393 | static int simple_check_buf(struct usbtest_dev *tdev, struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | { |
| 395 | unsigned i; |
| 396 | u8 expected; |
| 397 | u8 *buf = urb->transfer_buffer; |
| 398 | unsigned len = urb->actual_length; |
Alan Stern | b9a6e8e | 2015-09-01 09:48:01 +0800 | [diff] [blame] | 399 | unsigned maxpacket = get_maxpacket(urb->dev, urb->pipe); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 401 | int ret = check_guard_bytes(tdev, urb); |
| 402 | if (ret) |
| 403 | return ret; |
| 404 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | for (i = 0; i < len; i++, buf++) { |
| 406 | switch (pattern) { |
| 407 | /* all-zeroes has no synchronization issues */ |
| 408 | case 0: |
| 409 | expected = 0; |
| 410 | break; |
| 411 | /* mod63 stays in sync with short-terminated transfers, |
| 412 | * or otherwise when host and gadget agree on how large |
| 413 | * each usb transfer request should be. resync is done |
| 414 | * with set_interface or set_config. |
| 415 | */ |
| 416 | case 1: /* mod63 */ |
Alan Stern | b9a6e8e | 2015-09-01 09:48:01 +0800 | [diff] [blame] | 417 | expected = (i % maxpacket) % 63; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | break; |
| 419 | /* always fail unsupported patterns */ |
| 420 | default: |
| 421 | expected = !*buf; |
| 422 | break; |
| 423 | } |
| 424 | if (*buf == expected) |
| 425 | continue; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 426 | ERROR(tdev, "buf[%d] = %d (not %d)\n", i, *buf, expected); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | return -EINVAL; |
| 428 | } |
| 429 | return 0; |
| 430 | } |
| 431 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 432 | static void simple_free_urb(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | { |
Greg Dietsche | 304b0b5 | 2011-05-08 22:51:43 -0500 | [diff] [blame] | 434 | unsigned long offset = buffer_offset(urb->transfer_buffer); |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 435 | |
| 436 | if (urb->transfer_flags & URB_NO_TRANSFER_DMA_MAP) |
| 437 | usb_free_coherent( |
| 438 | urb->dev, |
| 439 | urb->transfer_buffer_length + offset, |
| 440 | urb->transfer_buffer - offset, |
| 441 | urb->transfer_dma - offset); |
| 442 | else |
| 443 | kfree(urb->transfer_buffer - offset); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 444 | usb_free_urb(urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 445 | } |
| 446 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 447 | static int simple_io( |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 448 | struct usbtest_dev *tdev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | struct urb *urb, |
| 450 | int iterations, |
| 451 | int vary, |
| 452 | int expected, |
| 453 | const char *label |
| 454 | ) |
| 455 | { |
| 456 | struct usb_device *udev = urb->dev; |
| 457 | int max = urb->transfer_buffer_length; |
| 458 | struct completion completion; |
| 459 | int retval = 0; |
Roger Quadros | e5e4746 | 2013-12-18 15:40:10 +0530 | [diff] [blame] | 460 | unsigned long expire; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | |
| 462 | urb->context = &completion; |
| 463 | while (retval == 0 && iterations-- > 0) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 464 | init_completion(&completion); |
Sebastian Andrzej Siewior | 7c79d09 | 2011-08-23 10:44:54 +0200 | [diff] [blame] | 465 | if (usb_pipeout(urb->pipe)) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 466 | simple_fill_buf(urb); |
Sebastian Andrzej Siewior | 7c79d09 | 2011-08-23 10:44:54 +0200 | [diff] [blame] | 467 | urb->transfer_flags |= URB_ZERO_PACKET; |
| 468 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 469 | retval = usb_submit_urb(urb, GFP_KERNEL); |
| 470 | if (retval != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 471 | break; |
| 472 | |
Roger Quadros | e5e4746 | 2013-12-18 15:40:10 +0530 | [diff] [blame] | 473 | expire = msecs_to_jiffies(SIMPLE_IO_TIMEOUT); |
| 474 | if (!wait_for_completion_timeout(&completion, expire)) { |
| 475 | usb_kill_urb(urb); |
| 476 | retval = (urb->status == -ENOENT ? |
| 477 | -ETIMEDOUT : urb->status); |
| 478 | } else { |
| 479 | retval = urb->status; |
| 480 | } |
| 481 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 482 | urb->dev = udev; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 483 | if (retval == 0 && usb_pipein(urb->pipe)) |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 484 | retval = simple_check_buf(tdev, urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | |
| 486 | if (vary) { |
| 487 | int len = urb->transfer_buffer_length; |
| 488 | |
| 489 | len += vary; |
| 490 | len %= max; |
| 491 | if (len == 0) |
| 492 | len = (vary < max) ? vary : max; |
| 493 | urb->transfer_buffer_length = len; |
| 494 | } |
| 495 | |
| 496 | /* FIXME if endpoint halted, clear halt (and log) */ |
| 497 | } |
| 498 | urb->transfer_buffer_length = max; |
| 499 | |
| 500 | if (expected != retval) |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 501 | dev_err(&udev->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | "%s failed, iterations left %d, status %d (not %d)\n", |
| 503 | label, iterations, retval, expected); |
| 504 | return retval; |
| 505 | } |
| 506 | |
| 507 | |
| 508 | /*-------------------------------------------------------------------------*/ |
| 509 | |
| 510 | /* We use scatterlist primitives to test queued I/O. |
| 511 | * Yes, this also tests the scatterlist primitives. |
| 512 | */ |
| 513 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 514 | static void free_sglist(struct scatterlist *sg, int nents) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 515 | { |
| 516 | unsigned i; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 517 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | if (!sg) |
| 519 | return; |
| 520 | for (i = 0; i < nents; i++) { |
Jens Axboe | 45711f1 | 2007-10-22 21:19:53 +0200 | [diff] [blame] | 521 | if (!sg_page(&sg[i])) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 522 | continue; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 523 | kfree(sg_virt(&sg[i])); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 524 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 525 | kfree(sg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 526 | } |
| 527 | |
| 528 | static struct scatterlist * |
Alan Stern | b9a6e8e | 2015-09-01 09:48:01 +0800 | [diff] [blame] | 529 | alloc_sglist(int nents, int max, int vary, struct usbtest_dev *dev, int pipe) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | { |
| 531 | struct scatterlist *sg; |
| 532 | unsigned i; |
| 533 | unsigned size = max; |
Alan Stern | b9a6e8e | 2015-09-01 09:48:01 +0800 | [diff] [blame] | 534 | unsigned maxpacket = |
| 535 | get_maxpacket(interface_to_usbdev(dev->intf), pipe); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 536 | |
Dan Carpenter | 564e698 | 2012-11-17 18:06:11 +0300 | [diff] [blame] | 537 | if (max == 0) |
| 538 | return NULL; |
| 539 | |
Huang Rui | f55055b | 2013-10-21 23:15:30 +0800 | [diff] [blame] | 540 | sg = kmalloc_array(nents, sizeof(*sg), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 541 | if (!sg) |
| 542 | return NULL; |
Alan Stern | 4756feb | 2008-03-27 10:15:22 -0400 | [diff] [blame] | 543 | sg_init_table(sg, nents); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 544 | |
| 545 | for (i = 0; i < nents; i++) { |
| 546 | char *buf; |
David Brownell | 8b52490 | 2006-04-02 10:20:15 -0800 | [diff] [blame] | 547 | unsigned j; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 548 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 549 | buf = kzalloc(size, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 550 | if (!buf) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 551 | free_sglist(sg, i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 552 | return NULL; |
| 553 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 554 | |
| 555 | /* kmalloc pages are always physically contiguous! */ |
Alan Stern | 4756feb | 2008-03-27 10:15:22 -0400 | [diff] [blame] | 556 | sg_set_buf(&sg[i], buf, size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 557 | |
David Brownell | 8b52490 | 2006-04-02 10:20:15 -0800 | [diff] [blame] | 558 | switch (pattern) { |
| 559 | case 0: |
| 560 | /* already zeroed */ |
| 561 | break; |
| 562 | case 1: |
| 563 | for (j = 0; j < size; j++) |
Alan Stern | b9a6e8e | 2015-09-01 09:48:01 +0800 | [diff] [blame] | 564 | *buf++ = (u8) ((j % maxpacket) % 63); |
David Brownell | 8b52490 | 2006-04-02 10:20:15 -0800 | [diff] [blame] | 565 | break; |
| 566 | } |
| 567 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 568 | if (vary) { |
| 569 | size += vary; |
| 570 | size %= max; |
| 571 | if (size == 0) |
| 572 | size = (vary < max) ? vary : max; |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | return sg; |
| 577 | } |
| 578 | |
Alan Stern | 32b36ee | 2014-06-03 11:11:34 -0400 | [diff] [blame] | 579 | static void sg_timeout(unsigned long _req) |
| 580 | { |
| 581 | struct usb_sg_request *req = (struct usb_sg_request *) _req; |
| 582 | |
| 583 | req->status = -ETIMEDOUT; |
| 584 | usb_sg_cancel(req); |
| 585 | } |
| 586 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 587 | static int perform_sglist( |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 588 | struct usbtest_dev *tdev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 589 | unsigned iterations, |
| 590 | int pipe, |
| 591 | struct usb_sg_request *req, |
| 592 | struct scatterlist *sg, |
| 593 | int nents |
| 594 | ) |
| 595 | { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 596 | struct usb_device *udev = testdev_to_usbdev(tdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 | int retval = 0; |
Alan Stern | 32b36ee | 2014-06-03 11:11:34 -0400 | [diff] [blame] | 598 | struct timer_list sg_timer; |
| 599 | |
| 600 | setup_timer_on_stack(&sg_timer, sg_timeout, (unsigned long) req); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | |
| 602 | while (retval == 0 && iterations-- > 0) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 603 | retval = usb_sg_init(req, udev, pipe, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 604 | (udev->speed == USB_SPEED_HIGH) |
| 605 | ? (INTERRUPT_RATE << 3) |
| 606 | : INTERRUPT_RATE, |
Christoph Lameter | e94b176 | 2006-12-06 20:33:17 -0800 | [diff] [blame] | 607 | sg, nents, 0, GFP_KERNEL); |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 608 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | if (retval) |
| 610 | break; |
Alan Stern | 32b36ee | 2014-06-03 11:11:34 -0400 | [diff] [blame] | 611 | mod_timer(&sg_timer, jiffies + |
| 612 | msecs_to_jiffies(SIMPLE_IO_TIMEOUT)); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 613 | usb_sg_wait(req); |
Alan Stern | 32b36ee | 2014-06-03 11:11:34 -0400 | [diff] [blame] | 614 | del_timer_sync(&sg_timer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | retval = req->status; |
| 616 | |
David Brownell | 8b52490 | 2006-04-02 10:20:15 -0800 | [diff] [blame] | 617 | /* FIXME check resulting data pattern */ |
| 618 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 619 | /* FIXME if endpoint halted, clear halt (and log) */ |
| 620 | } |
| 621 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 622 | /* FIXME for unlink or fault handling tests, don't report |
| 623 | * failure if retval is as we expected ... |
| 624 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 625 | if (retval) |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 626 | ERROR(tdev, "perform_sglist failed, " |
| 627 | "iterations left %d, status %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 628 | iterations, retval); |
| 629 | return retval; |
| 630 | } |
| 631 | |
| 632 | |
| 633 | /*-------------------------------------------------------------------------*/ |
| 634 | |
| 635 | /* unqueued control message testing |
| 636 | * |
| 637 | * there's a nice set of device functional requirements in chapter 9 of the |
| 638 | * usb 2.0 spec, which we can apply to ANY device, even ones that don't use |
| 639 | * special test firmware. |
| 640 | * |
| 641 | * we know the device is configured (or suspended) by the time it's visible |
| 642 | * through usbfs. we can't change that, so we won't test enumeration (which |
| 643 | * worked 'well enough' to get here, this time), power management (ditto), |
| 644 | * or remote wakeup (which needs human interaction). |
| 645 | */ |
| 646 | |
| 647 | static unsigned realworld = 1; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 648 | module_param(realworld, uint, 0); |
| 649 | MODULE_PARM_DESC(realworld, "clear to demand stricter spec compliance"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 650 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 651 | static int get_altsetting(struct usbtest_dev *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 652 | { |
| 653 | struct usb_interface *iface = dev->intf; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 654 | struct usb_device *udev = interface_to_usbdev(iface); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | int retval; |
| 656 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 657 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 658 | USB_REQ_GET_INTERFACE, USB_DIR_IN|USB_RECIP_INTERFACE, |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 659 | 0, iface->altsetting[0].desc.bInterfaceNumber, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | dev->buf, 1, USB_CTRL_GET_TIMEOUT); |
| 661 | switch (retval) { |
| 662 | case 1: |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 663 | return dev->buf[0]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 664 | case 0: |
| 665 | retval = -ERANGE; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 666 | /* FALLTHROUGH */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | default: |
| 668 | return retval; |
| 669 | } |
| 670 | } |
| 671 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 672 | static int set_altsetting(struct usbtest_dev *dev, int alternate) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 673 | { |
| 674 | struct usb_interface *iface = dev->intf; |
| 675 | struct usb_device *udev; |
| 676 | |
| 677 | if (alternate < 0 || alternate >= 256) |
| 678 | return -EINVAL; |
| 679 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 680 | udev = interface_to_usbdev(iface); |
| 681 | return usb_set_interface(udev, |
| 682 | iface->altsetting[0].desc.bInterfaceNumber, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 683 | alternate); |
| 684 | } |
| 685 | |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 686 | static int is_good_config(struct usbtest_dev *tdev, int len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 687 | { |
| 688 | struct usb_config_descriptor *config; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 689 | |
Huang Rui | f55055b | 2013-10-21 23:15:30 +0800 | [diff] [blame] | 690 | if (len < sizeof(*config)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 691 | return 0; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 692 | config = (struct usb_config_descriptor *) tdev->buf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 693 | |
| 694 | switch (config->bDescriptorType) { |
| 695 | case USB_DT_CONFIG: |
| 696 | case USB_DT_OTHER_SPEED_CONFIG: |
| 697 | if (config->bLength != 9) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 698 | ERROR(tdev, "bogus config descriptor length\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | return 0; |
| 700 | } |
| 701 | /* this bit 'must be 1' but often isn't */ |
| 702 | if (!realworld && !(config->bmAttributes & 0x80)) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 703 | ERROR(tdev, "high bit of config attributes not set\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 704 | return 0; |
| 705 | } |
| 706 | if (config->bmAttributes & 0x1f) { /* reserved == 0 */ |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 707 | ERROR(tdev, "reserved config bits set\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 708 | return 0; |
| 709 | } |
| 710 | break; |
| 711 | default: |
| 712 | return 0; |
| 713 | } |
| 714 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 715 | if (le16_to_cpu(config->wTotalLength) == len) /* read it all */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 716 | return 1; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 717 | if (le16_to_cpu(config->wTotalLength) >= TBUF_SIZE) /* max partial read */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | return 1; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 719 | ERROR(tdev, "bogus config descriptor read size\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 720 | return 0; |
| 721 | } |
| 722 | |
Huang Rui | 82f9267 | 2013-10-30 11:27:38 +0800 | [diff] [blame] | 723 | static int is_good_ext(struct usbtest_dev *tdev, u8 *buf) |
| 724 | { |
| 725 | struct usb_ext_cap_descriptor *ext; |
| 726 | u32 attr; |
| 727 | |
| 728 | ext = (struct usb_ext_cap_descriptor *) buf; |
| 729 | |
| 730 | if (ext->bLength != USB_DT_USB_EXT_CAP_SIZE) { |
| 731 | ERROR(tdev, "bogus usb 2.0 extension descriptor length\n"); |
| 732 | return 0; |
| 733 | } |
| 734 | |
| 735 | attr = le32_to_cpu(ext->bmAttributes); |
Huang Rui | 875bc23 | 2013-11-13 22:35:14 +0800 | [diff] [blame] | 736 | /* bits[1:15] is used and others are reserved */ |
| 737 | if (attr & ~0xfffe) { /* reserved == 0 */ |
Huang Rui | 82f9267 | 2013-10-30 11:27:38 +0800 | [diff] [blame] | 738 | ERROR(tdev, "reserved bits set\n"); |
| 739 | return 0; |
| 740 | } |
| 741 | |
| 742 | return 1; |
| 743 | } |
| 744 | |
Huang Rui | b8fef79 | 2013-10-30 11:27:39 +0800 | [diff] [blame] | 745 | static int is_good_ss_cap(struct usbtest_dev *tdev, u8 *buf) |
| 746 | { |
| 747 | struct usb_ss_cap_descriptor *ss; |
| 748 | |
| 749 | ss = (struct usb_ss_cap_descriptor *) buf; |
| 750 | |
| 751 | if (ss->bLength != USB_DT_USB_SS_CAP_SIZE) { |
| 752 | ERROR(tdev, "bogus superspeed device capability descriptor length\n"); |
| 753 | return 0; |
| 754 | } |
| 755 | |
| 756 | /* |
| 757 | * only bit[1] of bmAttributes is used for LTM and others are |
| 758 | * reserved |
| 759 | */ |
| 760 | if (ss->bmAttributes & ~0x02) { /* reserved == 0 */ |
| 761 | ERROR(tdev, "reserved bits set in bmAttributes\n"); |
| 762 | return 0; |
| 763 | } |
| 764 | |
| 765 | /* bits[0:3] of wSpeedSupported is used and others are reserved */ |
| 766 | if (le16_to_cpu(ss->wSpeedSupported) & ~0x0f) { /* reserved == 0 */ |
| 767 | ERROR(tdev, "reserved bits set in wSpeedSupported\n"); |
| 768 | return 0; |
| 769 | } |
| 770 | |
| 771 | return 1; |
| 772 | } |
| 773 | |
Huang Rui | 8e29217 | 2013-10-30 11:27:40 +0800 | [diff] [blame] | 774 | static int is_good_con_id(struct usbtest_dev *tdev, u8 *buf) |
| 775 | { |
| 776 | struct usb_ss_container_id_descriptor *con_id; |
| 777 | |
| 778 | con_id = (struct usb_ss_container_id_descriptor *) buf; |
| 779 | |
| 780 | if (con_id->bLength != USB_DT_USB_SS_CONTN_ID_SIZE) { |
| 781 | ERROR(tdev, "bogus container id descriptor length\n"); |
| 782 | return 0; |
| 783 | } |
| 784 | |
| 785 | if (con_id->bReserved) { /* reserved == 0 */ |
| 786 | ERROR(tdev, "reserved bits set\n"); |
| 787 | return 0; |
| 788 | } |
| 789 | |
| 790 | return 1; |
| 791 | } |
| 792 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 793 | /* sanity test for standard requests working with usb_control_mesg() and some |
| 794 | * of the utility functions which use it. |
| 795 | * |
| 796 | * this doesn't test how endpoint halts behave or data toggles get set, since |
| 797 | * we won't do I/O to bulk/interrupt endpoints here (which is how to change |
| 798 | * halt or toggle). toggle testing is impractical without support from hcds. |
| 799 | * |
| 800 | * this avoids failing devices linux would normally work with, by not testing |
| 801 | * config/altsetting operations for devices that only support their defaults. |
| 802 | * such devices rarely support those needless operations. |
| 803 | * |
| 804 | * NOTE that since this is a sanity test, it's not examining boundary cases |
| 805 | * to see if usbcore, hcd, and device all behave right. such testing would |
| 806 | * involve varied read sizes and other operation sequences. |
| 807 | */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 808 | static int ch9_postconfig(struct usbtest_dev *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 809 | { |
| 810 | struct usb_interface *iface = dev->intf; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 811 | struct usb_device *udev = interface_to_usbdev(iface); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 812 | int i, alt, retval; |
| 813 | |
| 814 | /* [9.2.3] if there's more than one altsetting, we need to be able to |
| 815 | * set and get each one. mostly trusts the descriptors from usbcore. |
| 816 | */ |
| 817 | for (i = 0; i < iface->num_altsetting; i++) { |
| 818 | |
| 819 | /* 9.2.3 constrains the range here */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 820 | alt = iface->altsetting[i].desc.bAlternateSetting; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 821 | if (alt < 0 || alt >= iface->num_altsetting) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 822 | dev_err(&iface->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 823 | "invalid alt [%d].bAltSetting = %d\n", |
| 824 | i, alt); |
| 825 | } |
| 826 | |
| 827 | /* [real world] get/set unimplemented if there's only one */ |
| 828 | if (realworld && iface->num_altsetting == 1) |
| 829 | continue; |
| 830 | |
| 831 | /* [9.4.10] set_interface */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 832 | retval = set_altsetting(dev, alt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 833 | if (retval) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 834 | dev_err(&iface->dev, "can't set_interface = %d, %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 835 | alt, retval); |
| 836 | return retval; |
| 837 | } |
| 838 | |
| 839 | /* [9.4.4] get_interface always works */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 840 | retval = get_altsetting(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 841 | if (retval != alt) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 842 | dev_err(&iface->dev, "get alt should be %d, was %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 843 | alt, retval); |
| 844 | return (retval < 0) ? retval : -EDOM; |
| 845 | } |
| 846 | |
| 847 | } |
| 848 | |
| 849 | /* [real world] get_config unimplemented if there's only one */ |
| 850 | if (!realworld || udev->descriptor.bNumConfigurations != 1) { |
| 851 | int expected = udev->actconfig->desc.bConfigurationValue; |
| 852 | |
| 853 | /* [9.4.2] get_configuration always works |
| 854 | * ... although some cheap devices (like one TI Hub I've got) |
| 855 | * won't return config descriptors except before set_config. |
| 856 | */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 857 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 858 | USB_REQ_GET_CONFIGURATION, |
| 859 | USB_DIR_IN | USB_RECIP_DEVICE, |
| 860 | 0, 0, dev->buf, 1, USB_CTRL_GET_TIMEOUT); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 861 | if (retval != 1 || dev->buf[0] != expected) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 862 | dev_err(&iface->dev, "get config --> %d %d (1 %d)\n", |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 863 | retval, dev->buf[0], expected); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 864 | return (retval < 0) ? retval : -EDOM; |
| 865 | } |
| 866 | } |
| 867 | |
| 868 | /* there's always [9.4.3] a device descriptor [9.6.1] */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 869 | retval = usb_get_descriptor(udev, USB_DT_DEVICE, 0, |
Huang Rui | f55055b | 2013-10-21 23:15:30 +0800 | [diff] [blame] | 870 | dev->buf, sizeof(udev->descriptor)); |
| 871 | if (retval != sizeof(udev->descriptor)) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 872 | dev_err(&iface->dev, "dev descriptor --> %d\n", retval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 873 | return (retval < 0) ? retval : -EDOM; |
| 874 | } |
| 875 | |
Huang Rui | 9d3bd76 | 2013-10-28 23:31:32 +0800 | [diff] [blame] | 876 | /* |
| 877 | * there's always [9.4.3] a bos device descriptor [9.6.2] in USB |
| 878 | * 3.0 spec |
| 879 | */ |
Huang Rui | f625099 | 2013-11-13 22:35:13 +0800 | [diff] [blame] | 880 | if (le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0210) { |
Huang Rui | 82f9267 | 2013-10-30 11:27:38 +0800 | [diff] [blame] | 881 | struct usb_bos_descriptor *bos = NULL; |
| 882 | struct usb_dev_cap_header *header = NULL; |
| 883 | unsigned total, num, length; |
| 884 | u8 *buf; |
| 885 | |
Huang Rui | 9d3bd76 | 2013-10-28 23:31:32 +0800 | [diff] [blame] | 886 | retval = usb_get_descriptor(udev, USB_DT_BOS, 0, dev->buf, |
| 887 | sizeof(*udev->bos->desc)); |
| 888 | if (retval != sizeof(*udev->bos->desc)) { |
| 889 | dev_err(&iface->dev, "bos descriptor --> %d\n", retval); |
| 890 | return (retval < 0) ? retval : -EDOM; |
| 891 | } |
Huang Rui | 82f9267 | 2013-10-30 11:27:38 +0800 | [diff] [blame] | 892 | |
| 893 | bos = (struct usb_bos_descriptor *)dev->buf; |
| 894 | total = le16_to_cpu(bos->wTotalLength); |
| 895 | num = bos->bNumDeviceCaps; |
| 896 | |
| 897 | if (total > TBUF_SIZE) |
| 898 | total = TBUF_SIZE; |
| 899 | |
| 900 | /* |
| 901 | * get generic device-level capability descriptors [9.6.2] |
| 902 | * in USB 3.0 spec |
| 903 | */ |
| 904 | retval = usb_get_descriptor(udev, USB_DT_BOS, 0, dev->buf, |
| 905 | total); |
| 906 | if (retval != total) { |
| 907 | dev_err(&iface->dev, "bos descriptor set --> %d\n", |
| 908 | retval); |
| 909 | return (retval < 0) ? retval : -EDOM; |
| 910 | } |
| 911 | |
| 912 | length = sizeof(*udev->bos->desc); |
| 913 | buf = dev->buf; |
| 914 | for (i = 0; i < num; i++) { |
| 915 | buf += length; |
| 916 | if (buf + sizeof(struct usb_dev_cap_header) > |
| 917 | dev->buf + total) |
| 918 | break; |
| 919 | |
| 920 | header = (struct usb_dev_cap_header *)buf; |
| 921 | length = header->bLength; |
| 922 | |
| 923 | if (header->bDescriptorType != |
| 924 | USB_DT_DEVICE_CAPABILITY) { |
| 925 | dev_warn(&udev->dev, "not device capability descriptor, skip\n"); |
| 926 | continue; |
| 927 | } |
| 928 | |
| 929 | switch (header->bDevCapabilityType) { |
| 930 | case USB_CAP_TYPE_EXT: |
| 931 | if (buf + USB_DT_USB_EXT_CAP_SIZE > |
| 932 | dev->buf + total || |
| 933 | !is_good_ext(dev, buf)) { |
| 934 | dev_err(&iface->dev, "bogus usb 2.0 extension descriptor\n"); |
| 935 | return -EDOM; |
| 936 | } |
| 937 | break; |
Huang Rui | b8fef79 | 2013-10-30 11:27:39 +0800 | [diff] [blame] | 938 | case USB_SS_CAP_TYPE: |
| 939 | if (buf + USB_DT_USB_SS_CAP_SIZE > |
| 940 | dev->buf + total || |
| 941 | !is_good_ss_cap(dev, buf)) { |
| 942 | dev_err(&iface->dev, "bogus superspeed device capability descriptor\n"); |
| 943 | return -EDOM; |
| 944 | } |
| 945 | break; |
Huang Rui | 8e29217 | 2013-10-30 11:27:40 +0800 | [diff] [blame] | 946 | case CONTAINER_ID_TYPE: |
| 947 | if (buf + USB_DT_USB_SS_CONTN_ID_SIZE > |
| 948 | dev->buf + total || |
| 949 | !is_good_con_id(dev, buf)) { |
| 950 | dev_err(&iface->dev, "bogus container id descriptor\n"); |
| 951 | return -EDOM; |
| 952 | } |
| 953 | break; |
Huang Rui | 82f9267 | 2013-10-30 11:27:38 +0800 | [diff] [blame] | 954 | default: |
| 955 | break; |
| 956 | } |
| 957 | } |
Huang Rui | 9d3bd76 | 2013-10-28 23:31:32 +0800 | [diff] [blame] | 958 | } |
| 959 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 960 | /* there's always [9.4.3] at least one config descriptor [9.6.3] */ |
| 961 | for (i = 0; i < udev->descriptor.bNumConfigurations; i++) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 962 | retval = usb_get_descriptor(udev, USB_DT_CONFIG, i, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 963 | dev->buf, TBUF_SIZE); |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 964 | if (!is_good_config(dev, retval)) { |
| 965 | dev_err(&iface->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 966 | "config [%d] descriptor --> %d\n", |
| 967 | i, retval); |
| 968 | return (retval < 0) ? retval : -EDOM; |
| 969 | } |
| 970 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 971 | /* FIXME cross-checking udev->config[i] to make sure usbcore |
| 972 | * parsed it right (etc) would be good testing paranoia |
| 973 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 974 | } |
| 975 | |
| 976 | /* and sometimes [9.2.6.6] speed dependent descriptors */ |
| 977 | if (le16_to_cpu(udev->descriptor.bcdUSB) == 0x0200) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 978 | struct usb_qualifier_descriptor *d = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 979 | |
| 980 | /* device qualifier [9.6.2] */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 981 | retval = usb_get_descriptor(udev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 982 | USB_DT_DEVICE_QUALIFIER, 0, dev->buf, |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 983 | sizeof(struct usb_qualifier_descriptor)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 984 | if (retval == -EPIPE) { |
| 985 | if (udev->speed == USB_SPEED_HIGH) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 986 | dev_err(&iface->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 987 | "hs dev qualifier --> %d\n", |
| 988 | retval); |
| 989 | return (retval < 0) ? retval : -EDOM; |
| 990 | } |
| 991 | /* usb2.0 but not high-speed capable; fine */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 992 | } else if (retval != sizeof(struct usb_qualifier_descriptor)) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 993 | dev_err(&iface->dev, "dev qualifier --> %d\n", retval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 994 | return (retval < 0) ? retval : -EDOM; |
| 995 | } else |
| 996 | d = (struct usb_qualifier_descriptor *) dev->buf; |
| 997 | |
| 998 | /* might not have [9.6.2] any other-speed configs [9.6.4] */ |
| 999 | if (d) { |
| 1000 | unsigned max = d->bNumConfigurations; |
| 1001 | for (i = 0; i < max; i++) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1002 | retval = usb_get_descriptor(udev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1003 | USB_DT_OTHER_SPEED_CONFIG, i, |
| 1004 | dev->buf, TBUF_SIZE); |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1005 | if (!is_good_config(dev, retval)) { |
| 1006 | dev_err(&iface->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1007 | "other speed config --> %d\n", |
| 1008 | retval); |
| 1009 | return (retval < 0) ? retval : -EDOM; |
| 1010 | } |
| 1011 | } |
| 1012 | } |
| 1013 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1014 | /* FIXME fetch strings from at least the device descriptor */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1015 | |
| 1016 | /* [9.4.5] get_status always works */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1017 | retval = usb_get_status(udev, USB_RECIP_DEVICE, 0, dev->buf); |
Alan Stern | 15b7336 | 2013-07-30 15:35:40 -0400 | [diff] [blame] | 1018 | if (retval) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1019 | dev_err(&iface->dev, "get dev status --> %d\n", retval); |
Alan Stern | 15b7336 | 2013-07-30 15:35:40 -0400 | [diff] [blame] | 1020 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1021 | } |
| 1022 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1023 | /* FIXME configuration.bmAttributes says if we could try to set/clear |
| 1024 | * the device's remote wakeup feature ... if we can, test that here |
| 1025 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1026 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1027 | retval = usb_get_status(udev, USB_RECIP_INTERFACE, |
| 1028 | iface->altsetting[0].desc.bInterfaceNumber, dev->buf); |
Alan Stern | 15b7336 | 2013-07-30 15:35:40 -0400 | [diff] [blame] | 1029 | if (retval) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1030 | dev_err(&iface->dev, "get interface status --> %d\n", retval); |
Alan Stern | 15b7336 | 2013-07-30 15:35:40 -0400 | [diff] [blame] | 1031 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1032 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1033 | /* FIXME get status for each endpoint in the interface */ |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1034 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1035 | return 0; |
| 1036 | } |
| 1037 | |
| 1038 | /*-------------------------------------------------------------------------*/ |
| 1039 | |
| 1040 | /* use ch9 requests to test whether: |
| 1041 | * (a) queues work for control, keeping N subtests queued and |
| 1042 | * active (auto-resubmit) for M loops through the queue. |
| 1043 | * (b) protocol stalls (control-only) will autorecover. |
| 1044 | * it's not like bulk/intr; no halt clearing. |
| 1045 | * (c) short control reads are reported and handled. |
| 1046 | * (d) queues are always processed in-order |
| 1047 | */ |
| 1048 | |
| 1049 | struct ctrl_ctx { |
| 1050 | spinlock_t lock; |
| 1051 | struct usbtest_dev *dev; |
| 1052 | struct completion complete; |
| 1053 | unsigned count; |
| 1054 | unsigned pending; |
| 1055 | int status; |
| 1056 | struct urb **urb; |
Deepa Dinamani | 18fc4eb | 2015-11-04 15:29:11 -0800 | [diff] [blame] | 1057 | struct usbtest_param_32 *param; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1058 | int last; |
| 1059 | }; |
| 1060 | |
Huang Rui | c952a8b | 2013-11-04 21:11:53 +0800 | [diff] [blame] | 1061 | #define NUM_SUBCASES 16 /* how many test subcases here? */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1062 | |
| 1063 | struct subcase { |
| 1064 | struct usb_ctrlrequest setup; |
| 1065 | int number; |
| 1066 | int expected; |
| 1067 | }; |
| 1068 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1069 | static void ctrl_complete(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1070 | { |
| 1071 | struct ctrl_ctx *ctx = urb->context; |
| 1072 | struct usb_ctrlrequest *reqp; |
| 1073 | struct subcase *subcase; |
| 1074 | int status = urb->status; |
| 1075 | |
| 1076 | reqp = (struct usb_ctrlrequest *)urb->setup_packet; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1077 | subcase = container_of(reqp, struct subcase, setup); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1078 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1079 | spin_lock(&ctx->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1080 | ctx->count--; |
| 1081 | ctx->pending--; |
| 1082 | |
| 1083 | /* queue must transfer and complete in fifo order, unless |
| 1084 | * usb_unlink_urb() is used to unlink something not at the |
| 1085 | * physical queue head (not tested). |
| 1086 | */ |
| 1087 | if (subcase->number > 0) { |
| 1088 | if ((subcase->number - ctx->last) != 1) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1089 | ERROR(ctx->dev, |
| 1090 | "subcase %d completed out of order, last %d\n", |
| 1091 | subcase->number, ctx->last); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1092 | status = -EDOM; |
| 1093 | ctx->last = subcase->number; |
| 1094 | goto error; |
| 1095 | } |
| 1096 | } |
| 1097 | ctx->last = subcase->number; |
| 1098 | |
| 1099 | /* succeed or fault in only one way? */ |
| 1100 | if (status == subcase->expected) |
| 1101 | status = 0; |
| 1102 | |
| 1103 | /* async unlink for cleanup? */ |
| 1104 | else if (status != -ECONNRESET) { |
| 1105 | |
| 1106 | /* some faults are allowed, not required */ |
| 1107 | if (subcase->expected > 0 && ( |
Greg Kroah-Hartman | 59d9978 | 2007-07-18 10:58:02 -0700 | [diff] [blame] | 1108 | ((status == -subcase->expected /* happened */ |
| 1109 | || status == 0)))) /* didn't */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1110 | status = 0; |
| 1111 | /* sometimes more than one fault is allowed */ |
| 1112 | else if (subcase->number == 12 && status == -EPIPE) |
| 1113 | status = 0; |
| 1114 | else |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1115 | ERROR(ctx->dev, "subtest %d error, status %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1116 | subcase->number, status); |
| 1117 | } |
| 1118 | |
| 1119 | /* unexpected status codes mean errors; ideally, in hardware */ |
| 1120 | if (status) { |
| 1121 | error: |
| 1122 | if (ctx->status == 0) { |
| 1123 | int i; |
| 1124 | |
| 1125 | ctx->status = status; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1126 | ERROR(ctx->dev, "control queue %02x.%02x, err %d, " |
| 1127 | "%d left, subcase %d, len %d/%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1128 | reqp->bRequestType, reqp->bRequest, |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1129 | status, ctx->count, subcase->number, |
| 1130 | urb->actual_length, |
| 1131 | urb->transfer_buffer_length); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1132 | |
| 1133 | /* FIXME this "unlink everything" exit route should |
| 1134 | * be a separate test case. |
| 1135 | */ |
| 1136 | |
| 1137 | /* unlink whatever's still pending */ |
| 1138 | for (i = 1; i < ctx->param->sglen; i++) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1139 | struct urb *u = ctx->urb[ |
| 1140 | (i + subcase->number) |
| 1141 | % ctx->param->sglen]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1142 | |
| 1143 | if (u == urb || !u->dev) |
| 1144 | continue; |
Franck Bui-Huu | caa2a12 | 2006-05-15 19:23:53 +0200 | [diff] [blame] | 1145 | spin_unlock(&ctx->lock); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1146 | status = usb_unlink_urb(u); |
Franck Bui-Huu | caa2a12 | 2006-05-15 19:23:53 +0200 | [diff] [blame] | 1147 | spin_lock(&ctx->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1148 | switch (status) { |
| 1149 | case -EINPROGRESS: |
| 1150 | case -EBUSY: |
| 1151 | case -EIDRM: |
| 1152 | continue; |
| 1153 | default: |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1154 | ERROR(ctx->dev, "urb unlink --> %d\n", |
| 1155 | status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1156 | } |
| 1157 | } |
| 1158 | status = ctx->status; |
| 1159 | } |
| 1160 | } |
| 1161 | |
| 1162 | /* resubmit if we need to, else mark this as done */ |
| 1163 | if ((status == 0) && (ctx->pending < ctx->count)) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1164 | status = usb_submit_urb(urb, GFP_ATOMIC); |
| 1165 | if (status != 0) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1166 | ERROR(ctx->dev, |
| 1167 | "can't resubmit ctrl %02x.%02x, err %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1168 | reqp->bRequestType, reqp->bRequest, status); |
| 1169 | urb->dev = NULL; |
| 1170 | } else |
| 1171 | ctx->pending++; |
| 1172 | } else |
| 1173 | urb->dev = NULL; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1174 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1175 | /* signal completion when nothing's queued */ |
| 1176 | if (ctx->pending == 0) |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1177 | complete(&ctx->complete); |
| 1178 | spin_unlock(&ctx->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1179 | } |
| 1180 | |
| 1181 | static int |
Deepa Dinamani | 18fc4eb | 2015-11-04 15:29:11 -0800 | [diff] [blame] | 1182 | test_ctrl_queue(struct usbtest_dev *dev, struct usbtest_param_32 *param) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1183 | { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1184 | struct usb_device *udev = testdev_to_usbdev(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1185 | struct urb **urb; |
| 1186 | struct ctrl_ctx context; |
| 1187 | int i; |
| 1188 | |
Xi Wang | e65cdfa | 2012-04-09 15:48:55 -0400 | [diff] [blame] | 1189 | if (param->sglen == 0 || param->iterations > UINT_MAX / param->sglen) |
| 1190 | return -EOPNOTSUPP; |
| 1191 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1192 | spin_lock_init(&context.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1193 | context.dev = dev; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1194 | init_completion(&context.complete); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1195 | context.count = param->sglen * param->iterations; |
| 1196 | context.pending = 0; |
| 1197 | context.status = -ENOMEM; |
| 1198 | context.param = param; |
| 1199 | context.last = -1; |
| 1200 | |
| 1201 | /* allocate and init the urbs we'll queue. |
| 1202 | * as with bulk/intr sglists, sglen is the queue depth; it also |
| 1203 | * controls which subtests run (more tests than sglen) or rerun. |
| 1204 | */ |
Christoph Lameter | e94b176 | 2006-12-06 20:33:17 -0800 | [diff] [blame] | 1205 | urb = kcalloc(param->sglen, sizeof(struct urb *), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1206 | if (!urb) |
| 1207 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1208 | for (i = 0; i < param->sglen; i++) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1209 | int pipe = usb_rcvctrlpipe(udev, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1210 | unsigned len; |
| 1211 | struct urb *u; |
| 1212 | struct usb_ctrlrequest req; |
| 1213 | struct subcase *reqp; |
Marcin Slusarz | 6def755 | 2008-05-12 20:17:25 +0200 | [diff] [blame] | 1214 | |
| 1215 | /* sign of this variable means: |
| 1216 | * -: tested code must return this (negative) error code |
| 1217 | * +: tested code may return this (negative too) error code |
| 1218 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1219 | int expected = 0; |
| 1220 | |
| 1221 | /* requests here are mostly expected to succeed on any |
| 1222 | * device, but some are chosen to trigger protocol stalls |
| 1223 | * or short reads. |
| 1224 | */ |
Huang Rui | f55055b | 2013-10-21 23:15:30 +0800 | [diff] [blame] | 1225 | memset(&req, 0, sizeof(req)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1226 | req.bRequest = USB_REQ_GET_DESCRIPTOR; |
| 1227 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; |
| 1228 | |
| 1229 | switch (i % NUM_SUBCASES) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1230 | case 0: /* get device descriptor */ |
| 1231 | req.wValue = cpu_to_le16(USB_DT_DEVICE << 8); |
| 1232 | len = sizeof(struct usb_device_descriptor); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1233 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1234 | case 1: /* get first config descriptor (only) */ |
| 1235 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); |
| 1236 | len = sizeof(struct usb_config_descriptor); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1237 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1238 | case 2: /* get altsetting (OFTEN STALLS) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1239 | req.bRequest = USB_REQ_GET_INTERFACE; |
| 1240 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1241 | /* index = 0 means first interface */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1242 | len = 1; |
| 1243 | expected = EPIPE; |
| 1244 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1245 | case 3: /* get interface status */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1246 | req.bRequest = USB_REQ_GET_STATUS; |
| 1247 | req.bRequestType = USB_DIR_IN|USB_RECIP_INTERFACE; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1248 | /* interface 0 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1249 | len = 2; |
| 1250 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1251 | case 4: /* get device status */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1252 | req.bRequest = USB_REQ_GET_STATUS; |
| 1253 | req.bRequestType = USB_DIR_IN|USB_RECIP_DEVICE; |
| 1254 | len = 2; |
| 1255 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1256 | case 5: /* get device qualifier (MAY STALL) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1257 | req.wValue = cpu_to_le16 (USB_DT_DEVICE_QUALIFIER << 8); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1258 | len = sizeof(struct usb_qualifier_descriptor); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1259 | if (udev->speed != USB_SPEED_HIGH) |
| 1260 | expected = EPIPE; |
| 1261 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1262 | case 6: /* get first config descriptor, plus interface */ |
| 1263 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); |
| 1264 | len = sizeof(struct usb_config_descriptor); |
| 1265 | len += sizeof(struct usb_interface_descriptor); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1266 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1267 | case 7: /* get interface descriptor (ALWAYS STALLS) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1268 | req.wValue = cpu_to_le16 (USB_DT_INTERFACE << 8); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1269 | /* interface == 0 */ |
| 1270 | len = sizeof(struct usb_interface_descriptor); |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1271 | expected = -EPIPE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1272 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1273 | /* NOTE: two consecutive stalls in the queue here. |
| 1274 | * that tests fault recovery a bit more aggressively. */ |
| 1275 | case 8: /* clear endpoint halt (MAY STALL) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1276 | req.bRequest = USB_REQ_CLEAR_FEATURE; |
| 1277 | req.bRequestType = USB_RECIP_ENDPOINT; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1278 | /* wValue 0 == ep halt */ |
| 1279 | /* wIndex 0 == ep0 (shouldn't halt!) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1280 | len = 0; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1281 | pipe = usb_sndctrlpipe(udev, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1282 | expected = EPIPE; |
| 1283 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1284 | case 9: /* get endpoint status */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1285 | req.bRequest = USB_REQ_GET_STATUS; |
| 1286 | req.bRequestType = USB_DIR_IN|USB_RECIP_ENDPOINT; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1287 | /* endpoint 0 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1288 | len = 2; |
| 1289 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1290 | case 10: /* trigger short read (EREMOTEIO) */ |
| 1291 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1292 | len = 1024; |
| 1293 | expected = -EREMOTEIO; |
| 1294 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1295 | /* NOTE: two consecutive _different_ faults in the queue. */ |
| 1296 | case 11: /* get endpoint descriptor (ALWAYS STALLS) */ |
| 1297 | req.wValue = cpu_to_le16(USB_DT_ENDPOINT << 8); |
| 1298 | /* endpoint == 0 */ |
| 1299 | len = sizeof(struct usb_interface_descriptor); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1300 | expected = EPIPE; |
| 1301 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1302 | /* NOTE: sometimes even a third fault in the queue! */ |
| 1303 | case 12: /* get string 0 descriptor (MAY STALL) */ |
| 1304 | req.wValue = cpu_to_le16(USB_DT_STRING << 8); |
| 1305 | /* string == 0, for language IDs */ |
| 1306 | len = sizeof(struct usb_interface_descriptor); |
| 1307 | /* may succeed when > 4 languages */ |
| 1308 | expected = EREMOTEIO; /* or EPIPE, if no strings */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1309 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1310 | case 13: /* short read, resembling case 10 */ |
| 1311 | req.wValue = cpu_to_le16((USB_DT_CONFIG << 8) | 0); |
| 1312 | /* last data packet "should" be DATA1, not DATA0 */ |
Paul Zimmerman | 6a23ccd | 2012-04-16 14:19:07 -0700 | [diff] [blame] | 1313 | if (udev->speed == USB_SPEED_SUPER) |
| 1314 | len = 1024 - 512; |
| 1315 | else |
| 1316 | len = 1024 - udev->descriptor.bMaxPacketSize0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1317 | expected = -EREMOTEIO; |
| 1318 | break; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1319 | case 14: /* short read; try to fill the last packet */ |
| 1320 | req.wValue = cpu_to_le16((USB_DT_DEVICE << 8) | 0); |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1321 | /* device descriptor size == 18 bytes */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1322 | len = udev->descriptor.bMaxPacketSize0; |
Sebastian Andrzej Siewior | 67e7d64 | 2011-04-14 16:17:21 +0200 | [diff] [blame] | 1323 | if (udev->speed == USB_SPEED_SUPER) |
| 1324 | len = 512; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1325 | switch (len) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1326 | case 8: |
| 1327 | len = 24; |
| 1328 | break; |
| 1329 | case 16: |
| 1330 | len = 32; |
| 1331 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1332 | } |
| 1333 | expected = -EREMOTEIO; |
| 1334 | break; |
Huang Rui | c952a8b | 2013-11-04 21:11:53 +0800 | [diff] [blame] | 1335 | case 15: |
| 1336 | req.wValue = cpu_to_le16(USB_DT_BOS << 8); |
| 1337 | if (udev->bos) |
| 1338 | len = le16_to_cpu(udev->bos->desc->wTotalLength); |
| 1339 | else |
| 1340 | len = sizeof(struct usb_bos_descriptor); |
Sarah Sharp | 8cf4328 | 2013-12-13 13:44:17 -0800 | [diff] [blame] | 1341 | if (le16_to_cpu(udev->descriptor.bcdUSB) < 0x0201) |
Huang Rui | c952a8b | 2013-11-04 21:11:53 +0800 | [diff] [blame] | 1342 | expected = -EPIPE; |
| 1343 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1344 | default: |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1345 | ERROR(dev, "bogus number of ctrl queue testcases!\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1346 | context.status = -EINVAL; |
| 1347 | goto cleanup; |
| 1348 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1349 | req.wLength = cpu_to_le16(len); |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 1350 | urb[i] = u = simple_alloc_urb(udev, pipe, len, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1351 | if (!u) |
| 1352 | goto cleanup; |
| 1353 | |
Huang Rui | f55055b | 2013-10-21 23:15:30 +0800 | [diff] [blame] | 1354 | reqp = kmalloc(sizeof(*reqp), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1355 | if (!reqp) |
| 1356 | goto cleanup; |
| 1357 | reqp->setup = req; |
| 1358 | reqp->number = i % NUM_SUBCASES; |
| 1359 | reqp->expected = expected; |
| 1360 | u->setup_packet = (char *) &reqp->setup; |
| 1361 | |
| 1362 | u->context = &context; |
| 1363 | u->complete = ctrl_complete; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1364 | } |
| 1365 | |
| 1366 | /* queue the urbs */ |
| 1367 | context.urb = urb; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1368 | spin_lock_irq(&context.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1369 | for (i = 0; i < param->sglen; i++) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1370 | context.status = usb_submit_urb(urb[i], GFP_ATOMIC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1371 | if (context.status != 0) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1372 | ERROR(dev, "can't submit urb[%d], status %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1373 | i, context.status); |
| 1374 | context.count = context.pending; |
| 1375 | break; |
| 1376 | } |
| 1377 | context.pending++; |
| 1378 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1379 | spin_unlock_irq(&context.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1380 | |
| 1381 | /* FIXME set timer and time out; provide a disconnect hook */ |
| 1382 | |
| 1383 | /* wait for the last one to complete */ |
| 1384 | if (context.pending > 0) |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1385 | wait_for_completion(&context.complete); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1386 | |
| 1387 | cleanup: |
| 1388 | for (i = 0; i < param->sglen; i++) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1389 | if (!urb[i]) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1390 | continue; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1391 | urb[i]->dev = udev; |
Alan Stern | 0ede76f | 2010-03-05 15:10:17 -0500 | [diff] [blame] | 1392 | kfree(urb[i]->setup_packet); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1393 | simple_free_urb(urb[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1394 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1395 | kfree(urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1396 | return context.status; |
| 1397 | } |
| 1398 | #undef NUM_SUBCASES |
| 1399 | |
| 1400 | |
| 1401 | /*-------------------------------------------------------------------------*/ |
| 1402 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1403 | static void unlink1_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1404 | { |
| 1405 | int status = urb->status; |
| 1406 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1407 | /* we "know" -EPIPE (stall) never happens */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1408 | if (!status) |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1409 | status = usb_submit_urb(urb, GFP_ATOMIC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1410 | if (status) { |
| 1411 | urb->status = status; |
Ming Lei | cdc9779 | 2008-02-24 18:41:47 +0800 | [diff] [blame] | 1412 | complete(urb->context); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1413 | } |
| 1414 | } |
| 1415 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1416 | static int unlink1(struct usbtest_dev *dev, int pipe, int size, int async) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1417 | { |
| 1418 | struct urb *urb; |
| 1419 | struct completion completion; |
| 1420 | int retval = 0; |
| 1421 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1422 | init_completion(&completion); |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 1423 | urb = simple_alloc_urb(testdev_to_usbdev(dev), pipe, size, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1424 | if (!urb) |
| 1425 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1426 | urb->context = &completion; |
| 1427 | urb->complete = unlink1_callback; |
| 1428 | |
Huang Rui | e4d58f5 | 2014-05-26 10:55:36 +0800 | [diff] [blame] | 1429 | if (usb_pipeout(urb->pipe)) { |
| 1430 | simple_fill_buf(urb); |
| 1431 | urb->transfer_flags |= URB_ZERO_PACKET; |
| 1432 | } |
| 1433 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1434 | /* keep the endpoint busy. there are lots of hc/hcd-internal |
| 1435 | * states, and testing should get to all of them over time. |
| 1436 | * |
| 1437 | * FIXME want additional tests for when endpoint is STALLing |
| 1438 | * due to errors, or is just NAKing requests. |
| 1439 | */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1440 | retval = usb_submit_urb(urb, GFP_KERNEL); |
| 1441 | if (retval != 0) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1442 | dev_err(&dev->intf->dev, "submit fail %d\n", retval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1443 | return retval; |
| 1444 | } |
| 1445 | |
| 1446 | /* unlinking that should always work. variable delay tests more |
| 1447 | * hcd states and code paths, even with little other system load. |
| 1448 | */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1449 | msleep(jiffies % (2 * INTERRUPT_RATE)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1450 | if (async) { |
Martin Fuzzey | 3b6c023 | 2009-06-04 23:20:38 +0200 | [diff] [blame] | 1451 | while (!completion_done(&completion)) { |
| 1452 | retval = usb_unlink_urb(urb); |
| 1453 | |
Huang Rui | a7683eb | 2014-05-22 18:06:14 +0800 | [diff] [blame] | 1454 | if (retval == 0 && usb_pipein(urb->pipe)) |
| 1455 | retval = simple_check_buf(dev, urb); |
| 1456 | |
Martin Fuzzey | 3b6c023 | 2009-06-04 23:20:38 +0200 | [diff] [blame] | 1457 | switch (retval) { |
| 1458 | case -EBUSY: |
| 1459 | case -EIDRM: |
| 1460 | /* we can't unlink urbs while they're completing |
| 1461 | * or if they've completed, and we haven't |
| 1462 | * resubmitted. "normal" drivers would prevent |
| 1463 | * resubmission, but since we're testing unlink |
| 1464 | * paths, we can't. |
| 1465 | */ |
| 1466 | ERROR(dev, "unlink retry\n"); |
| 1467 | continue; |
| 1468 | case 0: |
| 1469 | case -EINPROGRESS: |
| 1470 | break; |
| 1471 | |
| 1472 | default: |
| 1473 | dev_err(&dev->intf->dev, |
| 1474 | "unlink fail %d\n", retval); |
| 1475 | return retval; |
| 1476 | } |
| 1477 | |
| 1478 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1479 | } |
| 1480 | } else |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1481 | usb_kill_urb(urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1482 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1483 | wait_for_completion(&completion); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1484 | retval = urb->status; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1485 | simple_free_urb(urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1486 | |
| 1487 | if (async) |
| 1488 | return (retval == -ECONNRESET) ? 0 : retval - 1000; |
| 1489 | else |
| 1490 | return (retval == -ENOENT || retval == -EPERM) ? |
| 1491 | 0 : retval - 2000; |
| 1492 | } |
| 1493 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1494 | static int unlink_simple(struct usbtest_dev *dev, int pipe, int len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1495 | { |
| 1496 | int retval = 0; |
| 1497 | |
| 1498 | /* test sync and async paths */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1499 | retval = unlink1(dev, pipe, len, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1500 | if (!retval) |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1501 | retval = unlink1(dev, pipe, len, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1502 | return retval; |
| 1503 | } |
| 1504 | |
| 1505 | /*-------------------------------------------------------------------------*/ |
| 1506 | |
Alan Stern | 869410f | 2011-04-14 11:21:04 -0400 | [diff] [blame] | 1507 | struct queued_ctx { |
| 1508 | struct completion complete; |
| 1509 | atomic_t pending; |
| 1510 | unsigned num; |
| 1511 | int status; |
| 1512 | struct urb **urbs; |
| 1513 | }; |
| 1514 | |
| 1515 | static void unlink_queued_callback(struct urb *urb) |
| 1516 | { |
| 1517 | int status = urb->status; |
| 1518 | struct queued_ctx *ctx = urb->context; |
| 1519 | |
| 1520 | if (ctx->status) |
| 1521 | goto done; |
| 1522 | if (urb == ctx->urbs[ctx->num - 4] || urb == ctx->urbs[ctx->num - 2]) { |
| 1523 | if (status == -ECONNRESET) |
| 1524 | goto done; |
| 1525 | /* What error should we report if the URB completed normally? */ |
| 1526 | } |
| 1527 | if (status != 0) |
| 1528 | ctx->status = status; |
| 1529 | |
| 1530 | done: |
| 1531 | if (atomic_dec_and_test(&ctx->pending)) |
| 1532 | complete(&ctx->complete); |
| 1533 | } |
| 1534 | |
| 1535 | static int unlink_queued(struct usbtest_dev *dev, int pipe, unsigned num, |
| 1536 | unsigned size) |
| 1537 | { |
| 1538 | struct queued_ctx ctx; |
| 1539 | struct usb_device *udev = testdev_to_usbdev(dev); |
| 1540 | void *buf; |
| 1541 | dma_addr_t buf_dma; |
| 1542 | int i; |
| 1543 | int retval = -ENOMEM; |
| 1544 | |
| 1545 | init_completion(&ctx.complete); |
| 1546 | atomic_set(&ctx.pending, 1); /* One more than the actual value */ |
| 1547 | ctx.num = num; |
| 1548 | ctx.status = 0; |
| 1549 | |
| 1550 | buf = usb_alloc_coherent(udev, size, GFP_KERNEL, &buf_dma); |
| 1551 | if (!buf) |
| 1552 | return retval; |
| 1553 | memset(buf, 0, size); |
| 1554 | |
| 1555 | /* Allocate and init the urbs we'll queue */ |
| 1556 | ctx.urbs = kcalloc(num, sizeof(struct urb *), GFP_KERNEL); |
| 1557 | if (!ctx.urbs) |
| 1558 | goto free_buf; |
| 1559 | for (i = 0; i < num; i++) { |
| 1560 | ctx.urbs[i] = usb_alloc_urb(0, GFP_KERNEL); |
| 1561 | if (!ctx.urbs[i]) |
| 1562 | goto free_urbs; |
| 1563 | usb_fill_bulk_urb(ctx.urbs[i], udev, pipe, buf, size, |
| 1564 | unlink_queued_callback, &ctx); |
| 1565 | ctx.urbs[i]->transfer_dma = buf_dma; |
| 1566 | ctx.urbs[i]->transfer_flags = URB_NO_TRANSFER_DMA_MAP; |
Huang Rui | e4d58f5 | 2014-05-26 10:55:36 +0800 | [diff] [blame] | 1567 | |
| 1568 | if (usb_pipeout(ctx.urbs[i]->pipe)) { |
| 1569 | simple_fill_buf(ctx.urbs[i]); |
| 1570 | ctx.urbs[i]->transfer_flags |= URB_ZERO_PACKET; |
| 1571 | } |
Alan Stern | 869410f | 2011-04-14 11:21:04 -0400 | [diff] [blame] | 1572 | } |
| 1573 | |
| 1574 | /* Submit all the URBs and then unlink URBs num - 4 and num - 2. */ |
| 1575 | for (i = 0; i < num; i++) { |
| 1576 | atomic_inc(&ctx.pending); |
| 1577 | retval = usb_submit_urb(ctx.urbs[i], GFP_KERNEL); |
| 1578 | if (retval != 0) { |
| 1579 | dev_err(&dev->intf->dev, "submit urbs[%d] fail %d\n", |
| 1580 | i, retval); |
| 1581 | atomic_dec(&ctx.pending); |
| 1582 | ctx.status = retval; |
| 1583 | break; |
| 1584 | } |
| 1585 | } |
| 1586 | if (i == num) { |
| 1587 | usb_unlink_urb(ctx.urbs[num - 4]); |
| 1588 | usb_unlink_urb(ctx.urbs[num - 2]); |
| 1589 | } else { |
| 1590 | while (--i >= 0) |
| 1591 | usb_unlink_urb(ctx.urbs[i]); |
| 1592 | } |
| 1593 | |
| 1594 | if (atomic_dec_and_test(&ctx.pending)) /* The extra count */ |
| 1595 | complete(&ctx.complete); |
| 1596 | wait_for_completion(&ctx.complete); |
| 1597 | retval = ctx.status; |
| 1598 | |
| 1599 | free_urbs: |
| 1600 | for (i = 0; i < num; i++) |
| 1601 | usb_free_urb(ctx.urbs[i]); |
| 1602 | kfree(ctx.urbs); |
| 1603 | free_buf: |
| 1604 | usb_free_coherent(udev, size, buf, buf_dma); |
| 1605 | return retval; |
| 1606 | } |
| 1607 | |
| 1608 | /*-------------------------------------------------------------------------*/ |
| 1609 | |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1610 | static int verify_not_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1611 | { |
| 1612 | int retval; |
| 1613 | u16 status; |
| 1614 | |
| 1615 | /* shouldn't look or act halted */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1616 | retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1617 | if (retval < 0) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1618 | ERROR(tdev, "ep %02x couldn't get no-halt status, %d\n", |
| 1619 | ep, retval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1620 | return retval; |
| 1621 | } |
| 1622 | if (status != 0) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1623 | ERROR(tdev, "ep %02x bogus status: %04x != 0\n", ep, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1624 | return -EINVAL; |
| 1625 | } |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1626 | retval = simple_io(tdev, urb, 1, 0, 0, __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1627 | if (retval != 0) |
| 1628 | return -EINVAL; |
| 1629 | return 0; |
| 1630 | } |
| 1631 | |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1632 | static int verify_halted(struct usbtest_dev *tdev, int ep, struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1633 | { |
| 1634 | int retval; |
| 1635 | u16 status; |
| 1636 | |
| 1637 | /* should look and act halted */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1638 | retval = usb_get_status(urb->dev, USB_RECIP_ENDPOINT, ep, &status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1639 | if (retval < 0) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1640 | ERROR(tdev, "ep %02x couldn't get halt status, %d\n", |
| 1641 | ep, retval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1642 | return retval; |
| 1643 | } |
| 1644 | if (status != 1) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1645 | ERROR(tdev, "ep %02x bogus status: %04x != 1\n", ep, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1646 | return -EINVAL; |
| 1647 | } |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1648 | retval = simple_io(tdev, urb, 1, 0, -EPIPE, __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1649 | if (retval != -EPIPE) |
| 1650 | return -EINVAL; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1651 | retval = simple_io(tdev, urb, 1, 0, -EPIPE, "verify_still_halted"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1652 | if (retval != -EPIPE) |
| 1653 | return -EINVAL; |
| 1654 | return 0; |
| 1655 | } |
| 1656 | |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1657 | static int test_halt(struct usbtest_dev *tdev, int ep, struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1658 | { |
| 1659 | int retval; |
| 1660 | |
| 1661 | /* shouldn't look or act halted now */ |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1662 | retval = verify_not_halted(tdev, ep, urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1663 | if (retval < 0) |
| 1664 | return retval; |
| 1665 | |
| 1666 | /* set halt (protocol test only), verify it worked */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1667 | retval = usb_control_msg(urb->dev, usb_sndctrlpipe(urb->dev, 0), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1668 | USB_REQ_SET_FEATURE, USB_RECIP_ENDPOINT, |
| 1669 | USB_ENDPOINT_HALT, ep, |
| 1670 | NULL, 0, USB_CTRL_SET_TIMEOUT); |
| 1671 | if (retval < 0) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1672 | ERROR(tdev, "ep %02x couldn't set halt, %d\n", ep, retval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1673 | return retval; |
| 1674 | } |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1675 | retval = verify_halted(tdev, ep, urb); |
Roger Quadros | 824d752 | 2013-12-18 15:40:11 +0530 | [diff] [blame] | 1676 | if (retval < 0) { |
| 1677 | int ret; |
| 1678 | |
| 1679 | /* clear halt anyways, else further tests will fail */ |
| 1680 | ret = usb_clear_halt(urb->dev, urb->pipe); |
| 1681 | if (ret) |
| 1682 | ERROR(tdev, "ep %02x couldn't clear halt, %d\n", |
| 1683 | ep, ret); |
| 1684 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1685 | return retval; |
Roger Quadros | 824d752 | 2013-12-18 15:40:11 +0530 | [diff] [blame] | 1686 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1687 | |
| 1688 | /* clear halt (tests API + protocol), verify it worked */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1689 | retval = usb_clear_halt(urb->dev, urb->pipe); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1690 | if (retval < 0) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1691 | ERROR(tdev, "ep %02x couldn't clear halt, %d\n", ep, retval); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1692 | return retval; |
| 1693 | } |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1694 | retval = verify_not_halted(tdev, ep, urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1695 | if (retval < 0) |
| 1696 | return retval; |
| 1697 | |
| 1698 | /* NOTE: could also verify SET_INTERFACE clear halts ... */ |
| 1699 | |
| 1700 | return 0; |
| 1701 | } |
| 1702 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1703 | static int halt_simple(struct usbtest_dev *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1704 | { |
Paul Zimmerman | 6a23ccd | 2012-04-16 14:19:07 -0700 | [diff] [blame] | 1705 | int ep; |
| 1706 | int retval = 0; |
| 1707 | struct urb *urb; |
| 1708 | struct usb_device *udev = testdev_to_usbdev(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1709 | |
Paul Zimmerman | 6a23ccd | 2012-04-16 14:19:07 -0700 | [diff] [blame] | 1710 | if (udev->speed == USB_SPEED_SUPER) |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 1711 | urb = simple_alloc_urb(udev, 0, 1024, 0); |
Paul Zimmerman | 6a23ccd | 2012-04-16 14:19:07 -0700 | [diff] [blame] | 1712 | else |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 1713 | urb = simple_alloc_urb(udev, 0, 512, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1714 | if (urb == NULL) |
| 1715 | return -ENOMEM; |
| 1716 | |
| 1717 | if (dev->in_pipe) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1718 | ep = usb_pipeendpoint(dev->in_pipe) | USB_DIR_IN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1719 | urb->pipe = dev->in_pipe; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1720 | retval = test_halt(dev, ep, urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1721 | if (retval < 0) |
| 1722 | goto done; |
| 1723 | } |
| 1724 | |
| 1725 | if (dev->out_pipe) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1726 | ep = usb_pipeendpoint(dev->out_pipe); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1727 | urb->pipe = dev->out_pipe; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1728 | retval = test_halt(dev, ep, urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1729 | } |
| 1730 | done: |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1731 | simple_free_urb(urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1732 | return retval; |
| 1733 | } |
| 1734 | |
| 1735 | /*-------------------------------------------------------------------------*/ |
| 1736 | |
| 1737 | /* Control OUT tests use the vendor control requests from Intel's |
| 1738 | * USB 2.0 compliance test device: write a buffer, read it back. |
| 1739 | * |
| 1740 | * Intel's spec only _requires_ that it work for one packet, which |
| 1741 | * is pretty weak. Some HCDs place limits here; most devices will |
| 1742 | * need to be able to handle more than one OUT data packet. We'll |
| 1743 | * try whatever we're told to try. |
| 1744 | */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1745 | static int ctrl_out(struct usbtest_dev *dev, |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 1746 | unsigned count, unsigned length, unsigned vary, unsigned offset) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1747 | { |
Orjan Friberg | f54fa84 | 2006-08-08 23:31:40 -0700 | [diff] [blame] | 1748 | unsigned i, j, len; |
| 1749 | int retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1750 | u8 *buf; |
| 1751 | char *what = "?"; |
| 1752 | struct usb_device *udev; |
Orjan Friberg | f54fa84 | 2006-08-08 23:31:40 -0700 | [diff] [blame] | 1753 | |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1754 | if (length < 1 || length > 0xffff || vary >= length) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1755 | return -EINVAL; |
| 1756 | |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 1757 | buf = kmalloc(length + offset, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1758 | if (!buf) |
| 1759 | return -ENOMEM; |
| 1760 | |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 1761 | buf += offset; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1762 | udev = testdev_to_usbdev(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1763 | len = length; |
| 1764 | retval = 0; |
| 1765 | |
| 1766 | /* NOTE: hardware might well act differently if we pushed it |
| 1767 | * with lots back-to-back queued requests. |
| 1768 | */ |
| 1769 | for (i = 0; i < count; i++) { |
| 1770 | /* write patterned data */ |
| 1771 | for (j = 0; j < len; j++) |
Peter Chen | 169900f | 2015-09-01 09:48:00 +0800 | [diff] [blame] | 1772 | buf[j] = (u8)(i + j); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1773 | retval = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1774 | 0x5b, USB_DIR_OUT|USB_TYPE_VENDOR, |
| 1775 | 0, 0, buf, len, USB_CTRL_SET_TIMEOUT); |
| 1776 | if (retval != len) { |
| 1777 | what = "write"; |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1778 | if (retval >= 0) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1779 | ERROR(dev, "ctrl_out, wlen %d (expected %d)\n", |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1780 | retval, len); |
| 1781 | retval = -EBADMSG; |
| 1782 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1783 | break; |
| 1784 | } |
| 1785 | |
| 1786 | /* read it back -- assuming nothing intervened!! */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1787 | retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1788 | 0x5c, USB_DIR_IN|USB_TYPE_VENDOR, |
| 1789 | 0, 0, buf, len, USB_CTRL_GET_TIMEOUT); |
| 1790 | if (retval != len) { |
| 1791 | what = "read"; |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1792 | if (retval >= 0) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1793 | ERROR(dev, "ctrl_out, rlen %d (expected %d)\n", |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1794 | retval, len); |
| 1795 | retval = -EBADMSG; |
| 1796 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1797 | break; |
| 1798 | } |
| 1799 | |
| 1800 | /* fail if we can't verify */ |
| 1801 | for (j = 0; j < len; j++) { |
Peter Chen | 169900f | 2015-09-01 09:48:00 +0800 | [diff] [blame] | 1802 | if (buf[j] != (u8)(i + j)) { |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1803 | ERROR(dev, "ctrl_out, byte %d is %d not %d\n", |
Peter Chen | 169900f | 2015-09-01 09:48:00 +0800 | [diff] [blame] | 1804 | j, buf[j], (u8)(i + j)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1805 | retval = -EBADMSG; |
| 1806 | break; |
| 1807 | } |
| 1808 | } |
| 1809 | if (retval < 0) { |
| 1810 | what = "verify"; |
| 1811 | break; |
| 1812 | } |
| 1813 | |
| 1814 | len += vary; |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1815 | |
| 1816 | /* [real world] the "zero bytes IN" case isn't really used. |
Joe Perches | dc0d5c1 | 2007-12-17 11:40:18 -0800 | [diff] [blame] | 1817 | * hardware can easily trip up in this weird case, since its |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1818 | * status stage is IN, not OUT like other ep0in transfers. |
| 1819 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1820 | if (len > length) |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 1821 | len = realworld ? 1 : 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1822 | } |
| 1823 | |
| 1824 | if (retval < 0) |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1825 | ERROR(dev, "ctrl_out %s failed, code %d, count %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1826 | what, retval, i); |
| 1827 | |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 1828 | kfree(buf - offset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1829 | return retval; |
| 1830 | } |
| 1831 | |
| 1832 | /*-------------------------------------------------------------------------*/ |
| 1833 | |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 1834 | /* ISO/BULK tests ... mimics common usage |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1835 | * - buffer length is split into N packets (mostly maxpacket sized) |
| 1836 | * - multi-buffers according to sglen |
| 1837 | */ |
| 1838 | |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 1839 | struct transfer_context { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1840 | unsigned count; |
| 1841 | unsigned pending; |
| 1842 | spinlock_t lock; |
| 1843 | struct completion done; |
Alan Stern | 9da2150 | 2006-05-22 16:47:13 -0400 | [diff] [blame] | 1844 | int submit_error; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1845 | unsigned long errors; |
Alan Stern | 9da2150 | 2006-05-22 16:47:13 -0400 | [diff] [blame] | 1846 | unsigned long packet_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1847 | struct usbtest_dev *dev; |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 1848 | bool is_iso; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1849 | }; |
| 1850 | |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 1851 | static void complicated_callback(struct urb *urb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1852 | { |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 1853 | struct transfer_context *ctx = urb->context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1854 | |
| 1855 | spin_lock(&ctx->lock); |
| 1856 | ctx->count--; |
| 1857 | |
Alan Stern | 9da2150 | 2006-05-22 16:47:13 -0400 | [diff] [blame] | 1858 | ctx->packet_count += urb->number_of_packets; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1859 | if (urb->error_count > 0) |
| 1860 | ctx->errors += urb->error_count; |
Alan Stern | 9da2150 | 2006-05-22 16:47:13 -0400 | [diff] [blame] | 1861 | else if (urb->status != 0) |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 1862 | ctx->errors += (ctx->is_iso ? urb->number_of_packets : 1); |
Martin Fuzzey | 40aed52 | 2010-10-01 00:20:48 +0200 | [diff] [blame] | 1863 | else if (urb->actual_length != urb->transfer_buffer_length) |
| 1864 | ctx->errors++; |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 1865 | else if (check_guard_bytes(ctx->dev, urb) != 0) |
| 1866 | ctx->errors++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1867 | |
Alan Stern | 9da2150 | 2006-05-22 16:47:13 -0400 | [diff] [blame] | 1868 | if (urb->status == 0 && ctx->count > (ctx->pending - 1) |
| 1869 | && !ctx->submit_error) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1870 | int status = usb_submit_urb(urb, GFP_ATOMIC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1871 | switch (status) { |
| 1872 | case 0: |
| 1873 | goto done; |
| 1874 | default: |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1875 | dev_err(&ctx->dev->intf->dev, |
Peter Chen | c7c7806 | 2015-11-18 17:40:23 +0800 | [diff] [blame] | 1876 | "resubmit err %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1877 | status); |
| 1878 | /* FALLTHROUGH */ |
| 1879 | case -ENODEV: /* disconnected */ |
Alan Stern | 9da2150 | 2006-05-22 16:47:13 -0400 | [diff] [blame] | 1880 | case -ESHUTDOWN: /* endpoint disabled */ |
| 1881 | ctx->submit_error = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1882 | break; |
| 1883 | } |
| 1884 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1885 | |
| 1886 | ctx->pending--; |
| 1887 | if (ctx->pending == 0) { |
| 1888 | if (ctx->errors) |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 1889 | dev_err(&ctx->dev->intf->dev, |
Peter Chen | c7c7806 | 2015-11-18 17:40:23 +0800 | [diff] [blame] | 1890 | "during the test, %lu errors out of %lu\n", |
Alan Stern | 9da2150 | 2006-05-22 16:47:13 -0400 | [diff] [blame] | 1891 | ctx->errors, ctx->packet_count); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1892 | complete(&ctx->done); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1893 | } |
| 1894 | done: |
| 1895 | spin_unlock(&ctx->lock); |
| 1896 | } |
| 1897 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1898 | static struct urb *iso_alloc_urb( |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1899 | struct usb_device *udev, |
| 1900 | int pipe, |
| 1901 | struct usb_endpoint_descriptor *desc, |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 1902 | long bytes, |
| 1903 | unsigned offset |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1904 | ) |
| 1905 | { |
| 1906 | struct urb *urb; |
| 1907 | unsigned i, maxp, packets; |
| 1908 | |
| 1909 | if (bytes < 0 || !desc) |
| 1910 | return NULL; |
Kuninori Morimoto | 29cc889 | 2011-08-23 03:12:03 -0700 | [diff] [blame] | 1911 | maxp = 0x7ff & usb_endpoint_maxp(desc); |
| 1912 | maxp *= 1 + (0x3 & (usb_endpoint_maxp(desc) >> 11)); |
Julia Lawall | dfa5ec7 | 2008-03-04 15:25:11 -0800 | [diff] [blame] | 1913 | packets = DIV_ROUND_UP(bytes, maxp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1914 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1915 | urb = usb_alloc_urb(packets, GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1916 | if (!urb) |
| 1917 | return urb; |
| 1918 | urb->dev = udev; |
| 1919 | urb->pipe = pipe; |
| 1920 | |
| 1921 | urb->number_of_packets = packets; |
| 1922 | urb->transfer_buffer_length = bytes; |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 1923 | urb->transfer_buffer = usb_alloc_coherent(udev, bytes + offset, |
| 1924 | GFP_KERNEL, |
| 1925 | &urb->transfer_dma); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1926 | if (!urb->transfer_buffer) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1927 | usb_free_urb(urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1928 | return NULL; |
| 1929 | } |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 1930 | if (offset) { |
| 1931 | memset(urb->transfer_buffer, GUARD_BYTE, offset); |
| 1932 | urb->transfer_buffer += offset; |
| 1933 | urb->transfer_dma += offset; |
| 1934 | } |
| 1935 | /* For inbound transfers use guard byte so that test fails if |
| 1936 | data not correctly copied */ |
| 1937 | memset(urb->transfer_buffer, |
| 1938 | usb_pipein(urb->pipe) ? GUARD_BYTE : 0, |
| 1939 | bytes); |
| 1940 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1941 | for (i = 0; i < packets; i++) { |
| 1942 | /* here, only the last packet will be short */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1943 | urb->iso_frame_desc[i].length = min((unsigned) bytes, maxp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1944 | bytes -= urb->iso_frame_desc[i].length; |
| 1945 | |
| 1946 | urb->iso_frame_desc[i].offset = maxp * i; |
| 1947 | } |
| 1948 | |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 1949 | urb->complete = complicated_callback; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1950 | /* urb->context = SET BY CALLER */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1951 | urb->interval = 1 << (desc->bInterval - 1); |
| 1952 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
| 1953 | return urb; |
| 1954 | } |
| 1955 | |
| 1956 | static int |
Deepa Dinamani | 18fc4eb | 2015-11-04 15:29:11 -0800 | [diff] [blame] | 1957 | test_queue(struct usbtest_dev *dev, struct usbtest_param_32 *param, |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 1958 | int pipe, struct usb_endpoint_descriptor *desc, unsigned offset) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1959 | { |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 1960 | struct transfer_context context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1961 | struct usb_device *udev; |
| 1962 | unsigned i; |
| 1963 | unsigned long packets = 0; |
Alan Stern | 9da2150 | 2006-05-22 16:47:13 -0400 | [diff] [blame] | 1964 | int status = 0; |
Peter Chen | 41d3c0b | 2015-09-01 09:47:58 +0800 | [diff] [blame] | 1965 | struct urb *urbs[param->sglen]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1966 | |
Huang Rui | f55055b | 2013-10-21 23:15:30 +0800 | [diff] [blame] | 1967 | memset(&context, 0, sizeof(context)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1968 | context.count = param->iterations * param->sglen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1969 | context.dev = dev; |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 1970 | context.is_iso = !!desc; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1971 | init_completion(&context.done); |
| 1972 | spin_lock_init(&context.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1973 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1974 | udev = testdev_to_usbdev(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1975 | |
| 1976 | for (i = 0; i < param->sglen; i++) { |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 1977 | if (context.is_iso) |
| 1978 | urbs[i] = iso_alloc_urb(udev, pipe, desc, |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 1979 | param->length, offset); |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 1980 | else |
| 1981 | urbs[i] = complicated_alloc_urb(udev, pipe, |
| 1982 | param->length, 0); |
| 1983 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1984 | if (!urbs[i]) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1985 | status = -ENOMEM; |
| 1986 | goto fail; |
| 1987 | } |
| 1988 | packets += urbs[i]->number_of_packets; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 1989 | urbs[i]->context = &context; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1990 | } |
| 1991 | packets *= param->iterations; |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 1992 | |
| 1993 | if (context.is_iso) { |
| 1994 | dev_info(&dev->intf->dev, |
| 1995 | "iso period %d %sframes, wMaxPacket %d, transactions: %d\n", |
| 1996 | 1 << (desc->bInterval - 1), |
| 1997 | (udev->speed == USB_SPEED_HIGH) ? "micro" : "", |
| 1998 | usb_endpoint_maxp(desc) & 0x7ff, |
| 1999 | 1 + (0x3 & (usb_endpoint_maxp(desc) >> 11))); |
| 2000 | |
| 2001 | dev_info(&dev->intf->dev, |
| 2002 | "total %lu msec (%lu packets)\n", |
| 2003 | (packets * (1 << (desc->bInterval - 1))) |
| 2004 | / ((udev->speed == USB_SPEED_HIGH) ? 8 : 1), |
| 2005 | packets); |
| 2006 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2007 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2008 | spin_lock_irq(&context.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2009 | for (i = 0; i < param->sglen; i++) { |
Alan Stern | 9da2150 | 2006-05-22 16:47:13 -0400 | [diff] [blame] | 2010 | ++context.pending; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2011 | status = usb_submit_urb(urbs[i], GFP_ATOMIC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2012 | if (status < 0) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2013 | ERROR(dev, "submit iso[%d], error %d\n", i, status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2014 | if (i == 0) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2015 | spin_unlock_irq(&context.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2016 | goto fail; |
| 2017 | } |
| 2018 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2019 | simple_free_urb(urbs[i]); |
Ming Lei | e10e1be | 2010-08-02 22:09:01 +0800 | [diff] [blame] | 2020 | urbs[i] = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2021 | context.pending--; |
Alan Stern | 9da2150 | 2006-05-22 16:47:13 -0400 | [diff] [blame] | 2022 | context.submit_error = 1; |
| 2023 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2024 | } |
| 2025 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2026 | spin_unlock_irq(&context.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2027 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2028 | wait_for_completion(&context.done); |
Alan Stern | 9da2150 | 2006-05-22 16:47:13 -0400 | [diff] [blame] | 2029 | |
Ming Lei | e10e1be | 2010-08-02 22:09:01 +0800 | [diff] [blame] | 2030 | for (i = 0; i < param->sglen; i++) { |
| 2031 | if (urbs[i]) |
| 2032 | simple_free_urb(urbs[i]); |
| 2033 | } |
Alan Stern | 9da2150 | 2006-05-22 16:47:13 -0400 | [diff] [blame] | 2034 | /* |
| 2035 | * Isochronous transfers are expected to fail sometimes. As an |
| 2036 | * arbitrary limit, we will report an error if any submissions |
| 2037 | * fail or if the transfer failure rate is > 10%. |
| 2038 | */ |
| 2039 | if (status != 0) |
| 2040 | ; |
| 2041 | else if (context.submit_error) |
| 2042 | status = -EACCES; |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 2043 | else if (context.errors > |
| 2044 | (context.is_iso ? context.packet_count / 10 : 0)) |
Alan Stern | 9da2150 | 2006-05-22 16:47:13 -0400 | [diff] [blame] | 2045 | status = -EIO; |
| 2046 | return status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2047 | |
| 2048 | fail: |
| 2049 | for (i = 0; i < param->sglen; i++) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2050 | if (urbs[i]) |
| 2051 | simple_free_urb(urbs[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2052 | } |
| 2053 | return status; |
| 2054 | } |
| 2055 | |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 2056 | static int test_unaligned_bulk( |
| 2057 | struct usbtest_dev *tdev, |
| 2058 | int pipe, |
| 2059 | unsigned length, |
| 2060 | int iterations, |
| 2061 | unsigned transfer_flags, |
| 2062 | const char *label) |
| 2063 | { |
| 2064 | int retval; |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 2065 | struct urb *urb = usbtest_alloc_urb(testdev_to_usbdev(tdev), |
| 2066 | pipe, length, transfer_flags, 1, 0, simple_callback); |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 2067 | |
| 2068 | if (!urb) |
| 2069 | return -ENOMEM; |
| 2070 | |
| 2071 | retval = simple_io(tdev, urb, iterations, 0, 0, label); |
| 2072 | simple_free_urb(urb); |
| 2073 | return retval; |
| 2074 | } |
| 2075 | |
Deepa Dinamani | 18fc4eb | 2015-11-04 15:29:11 -0800 | [diff] [blame] | 2076 | /* Run tests. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2077 | static int |
Deepa Dinamani | 18fc4eb | 2015-11-04 15:29:11 -0800 | [diff] [blame] | 2078 | usbtest_do_ioctl(struct usb_interface *intf, struct usbtest_param_32 *param) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2079 | { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2080 | struct usbtest_dev *dev = usb_get_intfdata(intf); |
| 2081 | struct usb_device *udev = testdev_to_usbdev(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2082 | struct urb *urb; |
| 2083 | struct scatterlist *sg; |
| 2084 | struct usb_sg_request req; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2085 | unsigned i; |
Deepa Dinamani | 18fc4eb | 2015-11-04 15:29:11 -0800 | [diff] [blame] | 2086 | int retval = -EOPNOTSUPP; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2087 | |
roel kluin | 8aafdf6 | 2008-10-21 00:36:44 -0400 | [diff] [blame] | 2088 | if (param->iterations <= 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2089 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2090 | /* |
| 2091 | * Just a bunch of test cases that every HCD is expected to handle. |
| 2092 | * |
| 2093 | * Some may need specific firmware, though it'd be good to have |
| 2094 | * one firmware image to handle all the test cases. |
| 2095 | * |
| 2096 | * FIXME add more tests! cancel requests, verify the data, control |
| 2097 | * queueing, concurrent read+write threads, and so on. |
| 2098 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2099 | switch (param->test_num) { |
| 2100 | |
| 2101 | case 0: |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2102 | dev_info(&intf->dev, "TEST 0: NOP\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2103 | retval = 0; |
| 2104 | break; |
| 2105 | |
| 2106 | /* Simple non-queued bulk I/O tests */ |
| 2107 | case 1: |
| 2108 | if (dev->out_pipe == 0) |
| 2109 | break; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2110 | dev_info(&intf->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2111 | "TEST 1: write %d bytes %u times\n", |
| 2112 | param->length, param->iterations); |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 2113 | urb = simple_alloc_urb(udev, dev->out_pipe, param->length, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2114 | if (!urb) { |
| 2115 | retval = -ENOMEM; |
| 2116 | break; |
| 2117 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2118 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2119 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test1"); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2120 | simple_free_urb(urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2121 | break; |
| 2122 | case 2: |
| 2123 | if (dev->in_pipe == 0) |
| 2124 | break; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2125 | dev_info(&intf->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2126 | "TEST 2: read %d bytes %u times\n", |
| 2127 | param->length, param->iterations); |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 2128 | urb = simple_alloc_urb(udev, dev->in_pipe, param->length, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2129 | if (!urb) { |
| 2130 | retval = -ENOMEM; |
| 2131 | break; |
| 2132 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2133 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2134 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test2"); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2135 | simple_free_urb(urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2136 | break; |
| 2137 | case 3: |
| 2138 | if (dev->out_pipe == 0 || param->vary == 0) |
| 2139 | break; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2140 | dev_info(&intf->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2141 | "TEST 3: write/%d 0..%d bytes %u times\n", |
| 2142 | param->vary, param->length, param->iterations); |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 2143 | urb = simple_alloc_urb(udev, dev->out_pipe, param->length, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2144 | if (!urb) { |
| 2145 | retval = -ENOMEM; |
| 2146 | break; |
| 2147 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2148 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2149 | retval = simple_io(dev, urb, param->iterations, param->vary, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2150 | 0, "test3"); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2151 | simple_free_urb(urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2152 | break; |
| 2153 | case 4: |
| 2154 | if (dev->in_pipe == 0 || param->vary == 0) |
| 2155 | break; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2156 | dev_info(&intf->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2157 | "TEST 4: read/%d 0..%d bytes %u times\n", |
| 2158 | param->vary, param->length, param->iterations); |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 2159 | urb = simple_alloc_urb(udev, dev->in_pipe, param->length, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2160 | if (!urb) { |
| 2161 | retval = -ENOMEM; |
| 2162 | break; |
| 2163 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2164 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2165 | retval = simple_io(dev, urb, param->iterations, param->vary, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2166 | 0, "test4"); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2167 | simple_free_urb(urb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2168 | break; |
| 2169 | |
| 2170 | /* Queued bulk I/O tests */ |
| 2171 | case 5: |
| 2172 | if (dev->out_pipe == 0 || param->sglen == 0) |
| 2173 | break; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2174 | dev_info(&intf->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2175 | "TEST 5: write %d sglists %d entries of %d bytes\n", |
| 2176 | param->iterations, |
| 2177 | param->sglen, param->length); |
Alan Stern | b9a6e8e | 2015-09-01 09:48:01 +0800 | [diff] [blame] | 2178 | sg = alloc_sglist(param->sglen, param->length, |
| 2179 | 0, dev, dev->out_pipe); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2180 | if (!sg) { |
| 2181 | retval = -ENOMEM; |
| 2182 | break; |
| 2183 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2184 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2185 | retval = perform_sglist(dev, param->iterations, dev->out_pipe, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2186 | &req, sg, param->sglen); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2187 | free_sglist(sg, param->sglen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2188 | break; |
| 2189 | |
| 2190 | case 6: |
| 2191 | if (dev->in_pipe == 0 || param->sglen == 0) |
| 2192 | break; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2193 | dev_info(&intf->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2194 | "TEST 6: read %d sglists %d entries of %d bytes\n", |
| 2195 | param->iterations, |
| 2196 | param->sglen, param->length); |
Alan Stern | b9a6e8e | 2015-09-01 09:48:01 +0800 | [diff] [blame] | 2197 | sg = alloc_sglist(param->sglen, param->length, |
| 2198 | 0, dev, dev->in_pipe); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2199 | if (!sg) { |
| 2200 | retval = -ENOMEM; |
| 2201 | break; |
| 2202 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2203 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2204 | retval = perform_sglist(dev, param->iterations, dev->in_pipe, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2205 | &req, sg, param->sglen); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2206 | free_sglist(sg, param->sglen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2207 | break; |
| 2208 | case 7: |
| 2209 | if (dev->out_pipe == 0 || param->sglen == 0 || param->vary == 0) |
| 2210 | break; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2211 | dev_info(&intf->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2212 | "TEST 7: write/%d %d sglists %d entries 0..%d bytes\n", |
| 2213 | param->vary, param->iterations, |
| 2214 | param->sglen, param->length); |
Alan Stern | b9a6e8e | 2015-09-01 09:48:01 +0800 | [diff] [blame] | 2215 | sg = alloc_sglist(param->sglen, param->length, |
| 2216 | param->vary, dev, dev->out_pipe); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2217 | if (!sg) { |
| 2218 | retval = -ENOMEM; |
| 2219 | break; |
| 2220 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2221 | /* FIRMWARE: bulk sink (maybe accepts short writes) */ |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2222 | retval = perform_sglist(dev, param->iterations, dev->out_pipe, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2223 | &req, sg, param->sglen); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2224 | free_sglist(sg, param->sglen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2225 | break; |
| 2226 | case 8: |
| 2227 | if (dev->in_pipe == 0 || param->sglen == 0 || param->vary == 0) |
| 2228 | break; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2229 | dev_info(&intf->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2230 | "TEST 8: read/%d %d sglists %d entries 0..%d bytes\n", |
| 2231 | param->vary, param->iterations, |
| 2232 | param->sglen, param->length); |
Alan Stern | b9a6e8e | 2015-09-01 09:48:01 +0800 | [diff] [blame] | 2233 | sg = alloc_sglist(param->sglen, param->length, |
| 2234 | param->vary, dev, dev->in_pipe); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2235 | if (!sg) { |
| 2236 | retval = -ENOMEM; |
| 2237 | break; |
| 2238 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2239 | /* FIRMWARE: bulk source (maybe generates short writes) */ |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2240 | retval = perform_sglist(dev, param->iterations, dev->in_pipe, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2241 | &req, sg, param->sglen); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2242 | free_sglist(sg, param->sglen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2243 | break; |
| 2244 | |
| 2245 | /* non-queued sanity tests for control (chapter 9 subset) */ |
| 2246 | case 9: |
| 2247 | retval = 0; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2248 | dev_info(&intf->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2249 | "TEST 9: ch9 (subset) control tests, %d times\n", |
| 2250 | param->iterations); |
| 2251 | for (i = param->iterations; retval == 0 && i--; /* NOP */) |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2252 | retval = ch9_postconfig(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2253 | if (retval) |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2254 | dev_err(&intf->dev, "ch9 subset failed, " |
| 2255 | "iterations left %d\n", i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2256 | break; |
| 2257 | |
| 2258 | /* queued control messaging */ |
| 2259 | case 10: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2260 | retval = 0; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2261 | dev_info(&intf->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2262 | "TEST 10: queue %d control calls, %d times\n", |
| 2263 | param->sglen, |
| 2264 | param->iterations); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2265 | retval = test_ctrl_queue(dev, param); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2266 | break; |
| 2267 | |
| 2268 | /* simple non-queued unlinks (ring with one urb) */ |
| 2269 | case 11: |
| 2270 | if (dev->in_pipe == 0 || !param->length) |
| 2271 | break; |
| 2272 | retval = 0; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2273 | dev_info(&intf->dev, "TEST 11: unlink %d reads of %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2274 | param->iterations, param->length); |
| 2275 | for (i = param->iterations; retval == 0 && i--; /* NOP */) |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2276 | retval = unlink_simple(dev, dev->in_pipe, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2277 | param->length); |
| 2278 | if (retval) |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2279 | dev_err(&intf->dev, "unlink reads failed %d, " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2280 | "iterations left %d\n", retval, i); |
| 2281 | break; |
| 2282 | case 12: |
| 2283 | if (dev->out_pipe == 0 || !param->length) |
| 2284 | break; |
| 2285 | retval = 0; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2286 | dev_info(&intf->dev, "TEST 12: unlink %d writes of %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2287 | param->iterations, param->length); |
| 2288 | for (i = param->iterations; retval == 0 && i--; /* NOP */) |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2289 | retval = unlink_simple(dev, dev->out_pipe, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2290 | param->length); |
| 2291 | if (retval) |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2292 | dev_err(&intf->dev, "unlink writes failed %d, " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2293 | "iterations left %d\n", retval, i); |
| 2294 | break; |
| 2295 | |
| 2296 | /* ep halt tests */ |
| 2297 | case 13: |
| 2298 | if (dev->out_pipe == 0 && dev->in_pipe == 0) |
| 2299 | break; |
| 2300 | retval = 0; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2301 | dev_info(&intf->dev, "TEST 13: set/clear %d halts\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2302 | param->iterations); |
| 2303 | for (i = param->iterations; retval == 0 && i--; /* NOP */) |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2304 | retval = halt_simple(dev); |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2305 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2306 | if (retval) |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2307 | ERROR(dev, "halts failed, iterations left %d\n", i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2308 | break; |
| 2309 | |
| 2310 | /* control write tests */ |
| 2311 | case 14: |
| 2312 | if (!dev->info->ctrl_out) |
| 2313 | break; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2314 | dev_info(&intf->dev, "TEST 14: %d ep0out, %d..%d vary %d\n", |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 2315 | param->iterations, |
| 2316 | realworld ? 1 : 0, param->length, |
| 2317 | param->vary); |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2318 | retval = ctrl_out(dev, param->iterations, |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 2319 | param->length, param->vary, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2320 | break; |
| 2321 | |
| 2322 | /* iso write tests */ |
| 2323 | case 15: |
| 2324 | if (dev->out_iso_pipe == 0 || param->sglen == 0) |
| 2325 | break; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2326 | dev_info(&intf->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2327 | "TEST 15: write %d iso, %d entries of %d bytes\n", |
| 2328 | param->iterations, |
| 2329 | param->sglen, param->length); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2330 | /* FIRMWARE: iso sink */ |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 2331 | retval = test_queue(dev, param, |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 2332 | dev->out_iso_pipe, dev->iso_out, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2333 | break; |
| 2334 | |
| 2335 | /* iso read tests */ |
| 2336 | case 16: |
| 2337 | if (dev->in_iso_pipe == 0 || param->sglen == 0) |
| 2338 | break; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2339 | dev_info(&intf->dev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2340 | "TEST 16: read %d iso, %d entries of %d bytes\n", |
| 2341 | param->iterations, |
| 2342 | param->sglen, param->length); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2343 | /* FIRMWARE: iso source */ |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 2344 | retval = test_queue(dev, param, |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 2345 | dev->in_iso_pipe, dev->iso_in, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2346 | break; |
| 2347 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2348 | /* FIXME scatterlist cancel (needs helper thread) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2349 | |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 2350 | /* Tests for bulk I/O using DMA mapping by core and odd address */ |
| 2351 | case 17: |
| 2352 | if (dev->out_pipe == 0) |
| 2353 | break; |
| 2354 | dev_info(&intf->dev, |
| 2355 | "TEST 17: write odd addr %d bytes %u times core map\n", |
| 2356 | param->length, param->iterations); |
| 2357 | |
| 2358 | retval = test_unaligned_bulk( |
| 2359 | dev, dev->out_pipe, |
| 2360 | param->length, param->iterations, |
| 2361 | 0, "test17"); |
| 2362 | break; |
| 2363 | |
| 2364 | case 18: |
| 2365 | if (dev->in_pipe == 0) |
| 2366 | break; |
| 2367 | dev_info(&intf->dev, |
| 2368 | "TEST 18: read odd addr %d bytes %u times core map\n", |
| 2369 | param->length, param->iterations); |
| 2370 | |
| 2371 | retval = test_unaligned_bulk( |
| 2372 | dev, dev->in_pipe, |
| 2373 | param->length, param->iterations, |
| 2374 | 0, "test18"); |
| 2375 | break; |
| 2376 | |
| 2377 | /* Tests for bulk I/O using premapped coherent buffer and odd address */ |
| 2378 | case 19: |
| 2379 | if (dev->out_pipe == 0) |
| 2380 | break; |
| 2381 | dev_info(&intf->dev, |
| 2382 | "TEST 19: write odd addr %d bytes %u times premapped\n", |
| 2383 | param->length, param->iterations); |
| 2384 | |
| 2385 | retval = test_unaligned_bulk( |
| 2386 | dev, dev->out_pipe, |
| 2387 | param->length, param->iterations, |
| 2388 | URB_NO_TRANSFER_DMA_MAP, "test19"); |
| 2389 | break; |
| 2390 | |
| 2391 | case 20: |
| 2392 | if (dev->in_pipe == 0) |
| 2393 | break; |
| 2394 | dev_info(&intf->dev, |
| 2395 | "TEST 20: read odd addr %d bytes %u times premapped\n", |
| 2396 | param->length, param->iterations); |
| 2397 | |
| 2398 | retval = test_unaligned_bulk( |
| 2399 | dev, dev->in_pipe, |
| 2400 | param->length, param->iterations, |
| 2401 | URB_NO_TRANSFER_DMA_MAP, "test20"); |
| 2402 | break; |
| 2403 | |
| 2404 | /* control write tests with unaligned buffer */ |
| 2405 | case 21: |
| 2406 | if (!dev->info->ctrl_out) |
| 2407 | break; |
| 2408 | dev_info(&intf->dev, |
| 2409 | "TEST 21: %d ep0out odd addr, %d..%d vary %d\n", |
| 2410 | param->iterations, |
| 2411 | realworld ? 1 : 0, param->length, |
| 2412 | param->vary); |
| 2413 | retval = ctrl_out(dev, param->iterations, |
| 2414 | param->length, param->vary, 1); |
| 2415 | break; |
| 2416 | |
| 2417 | /* unaligned iso tests */ |
| 2418 | case 22: |
| 2419 | if (dev->out_iso_pipe == 0 || param->sglen == 0) |
| 2420 | break; |
| 2421 | dev_info(&intf->dev, |
| 2422 | "TEST 22: write %d iso odd, %d entries of %d bytes\n", |
| 2423 | param->iterations, |
| 2424 | param->sglen, param->length); |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 2425 | retval = test_queue(dev, param, |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 2426 | dev->out_iso_pipe, dev->iso_out, 1); |
| 2427 | break; |
| 2428 | |
| 2429 | case 23: |
| 2430 | if (dev->in_iso_pipe == 0 || param->sglen == 0) |
| 2431 | break; |
| 2432 | dev_info(&intf->dev, |
| 2433 | "TEST 23: read %d iso odd, %d entries of %d bytes\n", |
| 2434 | param->iterations, |
| 2435 | param->sglen, param->length); |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 2436 | retval = test_queue(dev, param, |
Martin Fuzzey | 084fb20 | 2011-01-16 19:17:11 +0100 | [diff] [blame] | 2437 | dev->in_iso_pipe, dev->iso_in, 1); |
| 2438 | break; |
| 2439 | |
Alan Stern | 869410f | 2011-04-14 11:21:04 -0400 | [diff] [blame] | 2440 | /* unlink URBs from a bulk-OUT queue */ |
| 2441 | case 24: |
| 2442 | if (dev->out_pipe == 0 || !param->length || param->sglen < 4) |
| 2443 | break; |
| 2444 | retval = 0; |
Alan Stern | 2cb5000 | 2013-01-02 13:58:18 -0500 | [diff] [blame] | 2445 | dev_info(&intf->dev, "TEST 24: unlink from %d queues of " |
Alan Stern | 869410f | 2011-04-14 11:21:04 -0400 | [diff] [blame] | 2446 | "%d %d-byte writes\n", |
| 2447 | param->iterations, param->sglen, param->length); |
| 2448 | for (i = param->iterations; retval == 0 && i > 0; --i) { |
| 2449 | retval = unlink_queued(dev, dev->out_pipe, |
| 2450 | param->sglen, param->length); |
| 2451 | if (retval) { |
| 2452 | dev_err(&intf->dev, |
| 2453 | "unlink queued writes failed %d, " |
| 2454 | "iterations left %d\n", retval, i); |
| 2455 | break; |
| 2456 | } |
| 2457 | } |
| 2458 | break; |
| 2459 | |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 2460 | /* Simple non-queued interrupt I/O tests */ |
| 2461 | case 25: |
| 2462 | if (dev->out_int_pipe == 0) |
| 2463 | break; |
| 2464 | dev_info(&intf->dev, |
| 2465 | "TEST 25: write %d bytes %u times\n", |
| 2466 | param->length, param->iterations); |
| 2467 | urb = simple_alloc_urb(udev, dev->out_int_pipe, param->length, |
| 2468 | dev->int_out->bInterval); |
| 2469 | if (!urb) { |
| 2470 | retval = -ENOMEM; |
| 2471 | break; |
| 2472 | } |
| 2473 | /* FIRMWARE: interrupt sink (maybe accepts short writes) */ |
| 2474 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test25"); |
| 2475 | simple_free_urb(urb); |
| 2476 | break; |
| 2477 | case 26: |
| 2478 | if (dev->in_int_pipe == 0) |
| 2479 | break; |
| 2480 | dev_info(&intf->dev, |
| 2481 | "TEST 26: read %d bytes %u times\n", |
| 2482 | param->length, param->iterations); |
| 2483 | urb = simple_alloc_urb(udev, dev->in_int_pipe, param->length, |
| 2484 | dev->int_in->bInterval); |
| 2485 | if (!urb) { |
| 2486 | retval = -ENOMEM; |
| 2487 | break; |
| 2488 | } |
| 2489 | /* FIRMWARE: interrupt source (maybe generates short writes) */ |
| 2490 | retval = simple_io(dev, urb, param->iterations, 0, 0, "test26"); |
| 2491 | simple_free_urb(urb); |
| 2492 | break; |
Peter Chen | 145f48c | 2015-10-13 15:18:21 +0800 | [diff] [blame] | 2493 | case 27: |
| 2494 | /* We do performance test, so ignore data compare */ |
| 2495 | if (dev->out_pipe == 0 || param->sglen == 0 || pattern != 0) |
| 2496 | break; |
| 2497 | dev_info(&intf->dev, |
| 2498 | "TEST 27: bulk write %dMbytes\n", (param->iterations * |
| 2499 | param->sglen * param->length) / (1024 * 1024)); |
| 2500 | retval = test_queue(dev, param, |
| 2501 | dev->out_pipe, NULL, 0); |
| 2502 | break; |
| 2503 | case 28: |
| 2504 | if (dev->in_pipe == 0 || param->sglen == 0 || pattern != 0) |
| 2505 | break; |
| 2506 | dev_info(&intf->dev, |
| 2507 | "TEST 28: bulk read %dMbytes\n", (param->iterations * |
| 2508 | param->sglen * param->length) / (1024 * 1024)); |
| 2509 | retval = test_queue(dev, param, |
| 2510 | dev->in_pipe, NULL, 0); |
| 2511 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2512 | } |
Deepa Dinamani | 18fc4eb | 2015-11-04 15:29:11 -0800 | [diff] [blame] | 2513 | return retval; |
| 2514 | } |
| 2515 | |
| 2516 | /*-------------------------------------------------------------------------*/ |
| 2517 | |
| 2518 | /* We only have this one interface to user space, through usbfs. |
| 2519 | * User mode code can scan usbfs to find N different devices (maybe on |
| 2520 | * different busses) to use when testing, and allocate one thread per |
| 2521 | * test. So discovery is simplified, and we have no device naming issues. |
| 2522 | * |
| 2523 | * Don't use these only as stress/load tests. Use them along with with |
| 2524 | * other USB bus activity: plugging, unplugging, mousing, mp3 playback, |
| 2525 | * video capture, and so on. Run different tests at different times, in |
| 2526 | * different sequences. Nothing here should interact with other devices, |
| 2527 | * except indirectly by consuming USB bandwidth and CPU resources for test |
| 2528 | * threads and request completion. But the only way to know that for sure |
| 2529 | * is to test when HC queues are in use by many devices. |
| 2530 | * |
| 2531 | * WARNING: Because usbfs grabs udev->dev.sem before calling this ioctl(), |
| 2532 | * it locks out usbcore in certain code paths. Notably, if you disconnect |
| 2533 | * the device-under-test, hub_wq will wait block forever waiting for the |
| 2534 | * ioctl to complete ... so that usb_disconnect() can abort the pending |
| 2535 | * urbs and then call usbtest_disconnect(). To abort a test, you're best |
| 2536 | * off just killing the userspace task and waiting for it to exit. |
| 2537 | */ |
| 2538 | |
| 2539 | static int |
| 2540 | usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf) |
| 2541 | { |
| 2542 | |
| 2543 | struct usbtest_dev *dev = usb_get_intfdata(intf); |
| 2544 | struct usbtest_param_64 *param_64 = buf; |
| 2545 | struct usbtest_param_32 temp; |
| 2546 | struct usbtest_param_32 *param_32 = buf; |
| 2547 | struct timespec64 start; |
| 2548 | struct timespec64 end; |
| 2549 | struct timespec64 duration; |
| 2550 | int retval = -EOPNOTSUPP; |
| 2551 | |
| 2552 | /* FIXME USBDEVFS_CONNECTINFO doesn't say how fast the device is. */ |
| 2553 | |
| 2554 | pattern = mod_pattern; |
| 2555 | |
| 2556 | if (mutex_lock_interruptible(&dev->lock)) |
| 2557 | return -ERESTARTSYS; |
| 2558 | |
| 2559 | /* FIXME: What if a system sleep starts while a test is running? */ |
| 2560 | |
| 2561 | /* some devices, like ez-usb default devices, need a non-default |
| 2562 | * altsetting to have any active endpoints. some tests change |
| 2563 | * altsettings; force a default so most tests don't need to check. |
| 2564 | */ |
| 2565 | if (dev->info->alt >= 0) { |
| 2566 | if (intf->altsetting->desc.bInterfaceNumber) { |
| 2567 | retval = -ENODEV; |
| 2568 | goto free_mutex; |
| 2569 | } |
| 2570 | retval = set_altsetting(dev, dev->info->alt); |
| 2571 | if (retval) { |
| 2572 | dev_err(&intf->dev, |
| 2573 | "set altsetting to %d failed, %d\n", |
| 2574 | dev->info->alt, retval); |
| 2575 | goto free_mutex; |
| 2576 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2577 | } |
Deepa Dinamani | 18fc4eb | 2015-11-04 15:29:11 -0800 | [diff] [blame] | 2578 | |
| 2579 | switch (code) { |
| 2580 | case USBTEST_REQUEST_64: |
| 2581 | temp.test_num = param_64->test_num; |
| 2582 | temp.iterations = param_64->iterations; |
| 2583 | temp.length = param_64->length; |
| 2584 | temp.sglen = param_64->sglen; |
| 2585 | temp.vary = param_64->vary; |
| 2586 | param_32 = &temp; |
| 2587 | break; |
| 2588 | |
| 2589 | case USBTEST_REQUEST_32: |
| 2590 | break; |
| 2591 | |
| 2592 | default: |
| 2593 | retval = -EOPNOTSUPP; |
| 2594 | goto free_mutex; |
| 2595 | } |
| 2596 | |
| 2597 | ktime_get_ts64(&start); |
| 2598 | |
| 2599 | retval = usbtest_do_ioctl(intf, param_32); |
| 2600 | if (retval) |
| 2601 | goto free_mutex; |
| 2602 | |
| 2603 | ktime_get_ts64(&end); |
| 2604 | |
| 2605 | duration = timespec64_sub(end, start); |
| 2606 | |
| 2607 | temp.duration_sec = duration.tv_sec; |
| 2608 | temp.duration_usec = duration.tv_nsec/NSEC_PER_USEC; |
| 2609 | |
| 2610 | switch (code) { |
| 2611 | case USBTEST_REQUEST_32: |
| 2612 | param_32->duration_sec = temp.duration_sec; |
| 2613 | param_32->duration_usec = temp.duration_usec; |
| 2614 | break; |
| 2615 | |
| 2616 | case USBTEST_REQUEST_64: |
| 2617 | param_64->duration_sec = temp.duration_sec; |
| 2618 | param_64->duration_usec = temp.duration_usec; |
| 2619 | break; |
| 2620 | } |
| 2621 | |
| 2622 | free_mutex: |
Matthias Kaehlcke | 1cfab02 | 2007-12-13 16:15:33 -0800 | [diff] [blame] | 2623 | mutex_unlock(&dev->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2624 | return retval; |
| 2625 | } |
| 2626 | |
| 2627 | /*-------------------------------------------------------------------------*/ |
| 2628 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2629 | static unsigned force_interrupt; |
| 2630 | module_param(force_interrupt, uint, 0); |
| 2631 | MODULE_PARM_DESC(force_interrupt, "0 = test default; else interrupt"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2632 | |
| 2633 | #ifdef GENERIC |
| 2634 | static unsigned short vendor; |
| 2635 | module_param(vendor, ushort, 0); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2636 | MODULE_PARM_DESC(vendor, "vendor code (from usb-if)"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2637 | |
| 2638 | static unsigned short product; |
| 2639 | module_param(product, ushort, 0); |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2640 | MODULE_PARM_DESC(product, "product code (from vendor)"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2641 | #endif |
| 2642 | |
| 2643 | static int |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2644 | usbtest_probe(struct usb_interface *intf, const struct usb_device_id *id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2645 | { |
| 2646 | struct usb_device *udev; |
| 2647 | struct usbtest_dev *dev; |
| 2648 | struct usbtest_info *info; |
| 2649 | char *rtest, *wtest; |
| 2650 | char *irtest, *iwtest; |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 2651 | char *intrtest, *intwtest; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2652 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2653 | udev = interface_to_usbdev(intf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2654 | |
| 2655 | #ifdef GENERIC |
| 2656 | /* specify devices by module parameters? */ |
| 2657 | if (id->match_flags == 0) { |
| 2658 | /* vendor match required, product match optional */ |
| 2659 | if (!vendor || le16_to_cpu(udev->descriptor.idVendor) != (u16)vendor) |
| 2660 | return -ENODEV; |
| 2661 | if (product && le16_to_cpu(udev->descriptor.idProduct) != (u16)product) |
| 2662 | return -ENODEV; |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2663 | dev_info(&intf->dev, "matched module params, " |
| 2664 | "vend=0x%04x prod=0x%04x\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2665 | le16_to_cpu(udev->descriptor.idVendor), |
| 2666 | le16_to_cpu(udev->descriptor.idProduct)); |
| 2667 | } |
| 2668 | #endif |
| 2669 | |
Christoph Lameter | e94b176 | 2006-12-06 20:33:17 -0800 | [diff] [blame] | 2670 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2671 | if (!dev) |
| 2672 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2673 | info = (struct usbtest_info *) id->driver_info; |
| 2674 | dev->info = info; |
Matthias Kaehlcke | 1cfab02 | 2007-12-13 16:15:33 -0800 | [diff] [blame] | 2675 | mutex_init(&dev->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2676 | |
| 2677 | dev->intf = intf; |
| 2678 | |
| 2679 | /* cacheline-aligned scratch for i/o */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2680 | dev->buf = kmalloc(TBUF_SIZE, GFP_KERNEL); |
| 2681 | if (dev->buf == NULL) { |
| 2682 | kfree(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2683 | return -ENOMEM; |
| 2684 | } |
| 2685 | |
| 2686 | /* NOTE this doesn't yet test the handful of difference that are |
| 2687 | * visible with high speed interrupts: bigger maxpacket (1K) and |
| 2688 | * "high bandwidth" modes (up to 3 packets/uframe). |
| 2689 | */ |
| 2690 | rtest = wtest = ""; |
| 2691 | irtest = iwtest = ""; |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 2692 | intrtest = intwtest = ""; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2693 | if (force_interrupt || udev->speed == USB_SPEED_LOW) { |
| 2694 | if (info->ep_in) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2695 | dev->in_pipe = usb_rcvintpipe(udev, info->ep_in); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2696 | rtest = " intr-in"; |
| 2697 | } |
| 2698 | if (info->ep_out) { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2699 | dev->out_pipe = usb_sndintpipe(udev, info->ep_out); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2700 | wtest = " intr-out"; |
| 2701 | } |
| 2702 | } else { |
Alan Stern | d0b4652 | 2013-01-30 16:38:11 -0500 | [diff] [blame] | 2703 | if (override_alt >= 0 || info->autoconf) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2704 | int status; |
| 2705 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2706 | status = get_endpoints(dev, intf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2707 | if (status < 0) { |
Arjan van de Ven | b6c6393 | 2008-07-25 01:45:52 -0700 | [diff] [blame] | 2708 | WARNING(dev, "couldn't get endpoints, %d\n", |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2709 | status); |
Julia Lawall | f4a728d | 2012-03-25 21:08:32 +0200 | [diff] [blame] | 2710 | kfree(dev->buf); |
| 2711 | kfree(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2712 | return status; |
| 2713 | } |
| 2714 | /* may find bulk or ISO pipes */ |
| 2715 | } else { |
| 2716 | if (info->ep_in) |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2717 | dev->in_pipe = usb_rcvbulkpipe(udev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2718 | info->ep_in); |
| 2719 | if (info->ep_out) |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2720 | dev->out_pipe = usb_sndbulkpipe(udev, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2721 | info->ep_out); |
| 2722 | } |
| 2723 | if (dev->in_pipe) |
| 2724 | rtest = " bulk-in"; |
| 2725 | if (dev->out_pipe) |
| 2726 | wtest = " bulk-out"; |
| 2727 | if (dev->in_iso_pipe) |
| 2728 | irtest = " iso-in"; |
| 2729 | if (dev->out_iso_pipe) |
| 2730 | iwtest = " iso-out"; |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 2731 | if (dev->in_int_pipe) |
| 2732 | intrtest = " int-in"; |
| 2733 | if (dev->out_int_pipe) |
| 2734 | intwtest = " int-out"; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2735 | } |
| 2736 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2737 | usb_set_intfdata(intf, dev); |
| 2738 | dev_info(&intf->dev, "%s\n", info->name); |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 2739 | dev_info(&intf->dev, "%s {control%s%s%s%s%s%s%s} tests%s\n", |
Michal Nazarewicz | e538dfd | 2011-08-30 17:11:19 +0200 | [diff] [blame] | 2740 | usb_speed_string(udev->speed), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2741 | info->ctrl_out ? " in/out" : "", |
| 2742 | rtest, wtest, |
| 2743 | irtest, iwtest, |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 2744 | intrtest, intwtest, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2745 | info->alt >= 0 ? " (+alt)" : ""); |
| 2746 | return 0; |
| 2747 | } |
| 2748 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2749 | static int usbtest_suspend(struct usb_interface *intf, pm_message_t message) |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 2750 | { |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 2751 | return 0; |
| 2752 | } |
| 2753 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2754 | static int usbtest_resume(struct usb_interface *intf) |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 2755 | { |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 2756 | return 0; |
| 2757 | } |
| 2758 | |
| 2759 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2760 | static void usbtest_disconnect(struct usb_interface *intf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2761 | { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2762 | struct usbtest_dev *dev = usb_get_intfdata(intf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2763 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2764 | usb_set_intfdata(intf, NULL); |
| 2765 | dev_dbg(&intf->dev, "disconnect\n"); |
| 2766 | kfree(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2767 | } |
| 2768 | |
| 2769 | /* Basic testing only needs a device that can source or sink bulk traffic. |
| 2770 | * Any device can test control transfers (default with GENERIC binding). |
| 2771 | * |
| 2772 | * Several entries work with the default EP0 implementation that's built |
| 2773 | * into EZ-USB chips. There's a default vendor ID which can be overridden |
| 2774 | * by (very) small config EEPROMS, but otherwise all these devices act |
| 2775 | * identically until firmware is loaded: only EP0 works. It turns out |
| 2776 | * to be easy to make other endpoints work, without modifying that EP0 |
| 2777 | * behavior. For now, we expect that kind of firmware. |
| 2778 | */ |
| 2779 | |
| 2780 | /* an21xx or fx versions of ez-usb */ |
| 2781 | static struct usbtest_info ez1_info = { |
| 2782 | .name = "EZ-USB device", |
| 2783 | .ep_in = 2, |
| 2784 | .ep_out = 2, |
| 2785 | .alt = 1, |
| 2786 | }; |
| 2787 | |
| 2788 | /* fx2 version of ez-usb */ |
| 2789 | static struct usbtest_info ez2_info = { |
| 2790 | .name = "FX2 device", |
| 2791 | .ep_in = 6, |
| 2792 | .ep_out = 2, |
| 2793 | .alt = 1, |
| 2794 | }; |
| 2795 | |
| 2796 | /* ezusb family device with dedicated usb test firmware, |
| 2797 | */ |
| 2798 | static struct usbtest_info fw_info = { |
| 2799 | .name = "usb test device", |
| 2800 | .ep_in = 2, |
| 2801 | .ep_out = 2, |
| 2802 | .alt = 1, |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2803 | .autoconf = 1, /* iso and ctrl_out need autoconf */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2804 | .ctrl_out = 1, |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2805 | .iso = 1, /* iso_ep's are #8 in/out */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2806 | }; |
| 2807 | |
| 2808 | /* peripheral running Linux and 'zero.c' test firmware, or |
| 2809 | * its user-mode cousin. different versions of this use |
| 2810 | * different hardware with the same vendor/product codes. |
| 2811 | * host side MUST rely on the endpoint descriptors. |
| 2812 | */ |
| 2813 | static struct usbtest_info gz_info = { |
| 2814 | .name = "Linux gadget zero", |
| 2815 | .autoconf = 1, |
| 2816 | .ctrl_out = 1, |
Boyan Nedeltchev | 4b85c62 | 2012-11-12 13:06:06 +0200 | [diff] [blame] | 2817 | .iso = 1, |
Amit Virdi | 457a095 | 2014-08-22 14:36:37 +0530 | [diff] [blame] | 2818 | .intr = 1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2819 | .alt = 0, |
| 2820 | }; |
| 2821 | |
| 2822 | static struct usbtest_info um_info = { |
| 2823 | .name = "Linux user mode test driver", |
| 2824 | .autoconf = 1, |
| 2825 | .alt = -1, |
| 2826 | }; |
| 2827 | |
| 2828 | static struct usbtest_info um2_info = { |
| 2829 | .name = "Linux user mode ISO test driver", |
| 2830 | .autoconf = 1, |
| 2831 | .iso = 1, |
| 2832 | .alt = -1, |
| 2833 | }; |
| 2834 | |
| 2835 | #ifdef IBOT2 |
| 2836 | /* this is a nice source of high speed bulk data; |
| 2837 | * uses an FX2, with firmware provided in the device |
| 2838 | */ |
| 2839 | static struct usbtest_info ibot2_info = { |
| 2840 | .name = "iBOT2 webcam", |
| 2841 | .ep_in = 2, |
| 2842 | .alt = -1, |
| 2843 | }; |
| 2844 | #endif |
| 2845 | |
| 2846 | #ifdef GENERIC |
| 2847 | /* we can use any device to test control traffic */ |
| 2848 | static struct usbtest_info generic_info = { |
| 2849 | .name = "Generic USB device", |
| 2850 | .alt = -1, |
| 2851 | }; |
| 2852 | #endif |
| 2853 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2854 | |
Németh Márton | 33b9e16 | 2010-01-10 15:34:45 +0100 | [diff] [blame] | 2855 | static const struct usb_device_id id_table[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2856 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2857 | /*-------------------------------------------------------------*/ |
| 2858 | |
| 2859 | /* EZ-USB devices which download firmware to replace (or in our |
| 2860 | * case augment) the default device implementation. |
| 2861 | */ |
| 2862 | |
| 2863 | /* generic EZ-USB FX controller */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2864 | { USB_DEVICE(0x0547, 0x2235), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2865 | .driver_info = (unsigned long) &ez1_info, |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2866 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2867 | |
| 2868 | /* CY3671 development board with EZ-USB FX */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2869 | { USB_DEVICE(0x0547, 0x0080), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2870 | .driver_info = (unsigned long) &ez1_info, |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2871 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2872 | |
| 2873 | /* generic EZ-USB FX2 controller (or development board) */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2874 | { USB_DEVICE(0x04b4, 0x8613), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2875 | .driver_info = (unsigned long) &ez2_info, |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2876 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2877 | |
| 2878 | /* re-enumerated usb test device firmware */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2879 | { USB_DEVICE(0xfff0, 0xfff0), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2880 | .driver_info = (unsigned long) &fw_info, |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2881 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2882 | |
| 2883 | /* "Gadget Zero" firmware runs under Linux */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2884 | { USB_DEVICE(0x0525, 0xa4a0), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2885 | .driver_info = (unsigned long) &gz_info, |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2886 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2887 | |
| 2888 | /* so does a user-mode variant */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2889 | { USB_DEVICE(0x0525, 0xa4a4), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2890 | .driver_info = (unsigned long) &um_info, |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2891 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2892 | |
| 2893 | /* ... and a user-mode variant that talks iso */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2894 | { USB_DEVICE(0x0525, 0xa4a3), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2895 | .driver_info = (unsigned long) &um2_info, |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2896 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2897 | |
| 2898 | #ifdef KEYSPAN_19Qi |
| 2899 | /* Keyspan 19qi uses an21xx (original EZ-USB) */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2900 | /* this does not coexist with the real Keyspan 19qi driver! */ |
| 2901 | { USB_DEVICE(0x06cd, 0x010b), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2902 | .driver_info = (unsigned long) &ez1_info, |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2903 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2904 | #endif |
| 2905 | |
| 2906 | /*-------------------------------------------------------------*/ |
| 2907 | |
| 2908 | #ifdef IBOT2 |
| 2909 | /* iBOT2 makes a nice source of high speed bulk-in data */ |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2910 | /* this does not coexist with a real iBOT2 driver! */ |
| 2911 | { USB_DEVICE(0x0b62, 0x0059), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2912 | .driver_info = (unsigned long) &ibot2_info, |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2913 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2914 | #endif |
| 2915 | |
| 2916 | /*-------------------------------------------------------------*/ |
| 2917 | |
| 2918 | #ifdef GENERIC |
| 2919 | /* module params can specify devices to use for control tests */ |
| 2920 | { .driver_info = (unsigned long) &generic_info, }, |
| 2921 | #endif |
| 2922 | |
| 2923 | /*-------------------------------------------------------------*/ |
| 2924 | |
| 2925 | { } |
| 2926 | }; |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2927 | MODULE_DEVICE_TABLE(usb, id_table); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2928 | |
| 2929 | static struct usb_driver usbtest_driver = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2930 | .name = "usbtest", |
| 2931 | .id_table = id_table, |
| 2932 | .probe = usbtest_probe, |
Andi Kleen | c532b29 | 2010-06-01 23:04:41 +0200 | [diff] [blame] | 2933 | .unlocked_ioctl = usbtest_ioctl, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2934 | .disconnect = usbtest_disconnect, |
David Brownell | ff7c79e | 2005-04-22 13:17:00 -0700 | [diff] [blame] | 2935 | .suspend = usbtest_suspend, |
| 2936 | .resume = usbtest_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2937 | }; |
| 2938 | |
| 2939 | /*-------------------------------------------------------------------------*/ |
| 2940 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2941 | static int __init usbtest_init(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2942 | { |
| 2943 | #ifdef GENERIC |
| 2944 | if (vendor) |
David Brownell | 28ffd79 | 2008-04-25 18:51:10 -0700 | [diff] [blame] | 2945 | pr_debug("params: vend=0x%04x prod=0x%04x\n", vendor, product); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2946 | #endif |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2947 | return usb_register(&usbtest_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2948 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2949 | module_init(usbtest_init); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2950 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2951 | static void __exit usbtest_exit(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2952 | { |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2953 | usb_deregister(&usbtest_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2954 | } |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2955 | module_exit(usbtest_exit); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2956 | |
Martin Fuzzey | fabbf21 | 2010-10-01 00:20:42 +0200 | [diff] [blame] | 2957 | MODULE_DESCRIPTION("USB Core/HCD Testing Driver"); |
| 2958 | MODULE_LICENSE("GPL"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2959 | |