usb: USB3.0 ch11 definitions

Adding hub SuperSpeed usb definitions as defined by ch10 of the USB3.0
spec.

Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 51 insertions, 0 deletions

diff --git a/include/linux/usb/ch11.h b/include/linux/usb/ch11.h
index 119194c85d10..10ec0699bea4 100644
--- a/include/linux/usb/ch11.h
+++ b/include/linux/usb/ch11.h
@@ -28,6 +28,13 @@
 #define HUB_STOP_TT             11
 
 /*
+ * Hub class additional requests defined by USB 3.0 spec
+ * See USB 3.0 spec Table 10-6
+ */
+#define HUB_SET_DEPTH           12
+#define HUB_GET_PORT_ERR_COUNT  13
+
+/*
  * Hub Class feature numbers
  * See USB 2.0 spec Table 11-17
  */
@@ -56,6 +63,20 @@
 #define USB_PORT_FEAT_C_PORT_L1         23
 
 /*
+ * Port feature selectors added by USB 3.0 spec.
+ * See USB 3.0 spec Table 10-7
+ */
+#define USB_PORT_FEAT_LINK_STATE                5
+#define USB_PORT_FEAT_U1_TIMEOUT                23
+#define USB_PORT_FEAT_U2_TIMEOUT                24
+#define USB_PORT_FEAT_C_LINK_STATE              25
+#define USB_PORT_FEAT_C_CONFIG_ERR              26
+#define USB_PORT_FEAT_REMOTE_WAKE_MASK          27
+#define USB_PORT_FEAT_BH_PORT_RESET             28
+#define USB_PORT_FEAT_C_BH_PORT_RESET           29
+#define USB_PORT_FEAT_FORCE_LINKPM_ACCEPT       30
+
+/*
  * Hub Status and Hub Change results
  * See USB 2.0 spec Table 11-19 and Table 11-20
  */
@@ -84,6 +105,32 @@ struct usb_port_status {
 #define USB_PORT_STAT_SUPER_SPEED       0x8000  /* Linux-internal */
 
 /*
+ * Additions to wPortStatus bit field from USB 3.0
+ * See USB 3.0 spec Table 10-10
+ */
+#define USB_PORT_STAT_LINK_STATE        0x01e0
+#define USB_SS_PORT_STAT_POWER          0x0200
+#define USB_PORT_STAT_SPEED_5GBPS       0x0000
+/* Valid only if port is enabled */
+
+/*
+ * Definitions for PORT_LINK_STATE values
+ * (bits 5-8) in wPortStatus
+ */
+#define USB_SS_PORT_LS_U0               0x0000
+#define USB_SS_PORT_LS_U1               0x0020
+#define USB_SS_PORT_LS_U2               0x0040
+#define USB_SS_PORT_LS_U3               0x0060
+#define USB_SS_PORT_LS_SS_DISABLED      0x0080
+#define USB_SS_PORT_LS_RX_DETECT        0x00a0
+#define USB_SS_PORT_LS_SS_INACTIVE      0x00c0
+#define USB_SS_PORT_LS_POLLING          0x00e0
+#define USB_SS_PORT_LS_RECOVERY         0x0100
+#define USB_SS_PORT_LS_HOT_RESET        0x0120
+#define USB_SS_PORT_LS_COMP_MOD         0x0140
+#define USB_SS_PORT_LS_LOOPBACK         0x0160
+
+/*
  * wPortChange bit field
  * See USB 2.0 spec Table 11-22
  * Bits 0 to 4 shown, bits 5 to 15 are reserved
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index 0b6e751ea0b1..dd6ee49a0844 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -471,6 +471,10 @@ extern void usb_ep0_reinit(struct usb_device *);
 
 /*-------------------------------------------------------------------------*/
 
+/* class requests from USB 3.0 hub spec, table 10-5 */
+#define SetHubDepth             (0x3000 | HUB_SET_DEPTH)
+#define GetPortErrorCount       (0x8000 | HUB_GET_PORT_ERR_COUNT)
+
 /*
  * Generic bandwidth allocation constants/support
  */