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e237e7ae | 1 | /** @file\r |
d80ed2a7 | 2 | Defination for the USB mass storage Control/Bulk/Interrupt (CBI) transport,\r |
3 | according to USB Mass Storage Class Control/Bulk/Interrupt (CBI) Transport, Revision 1.1.\r | |
cc5166ff | 4 | \r |
5 | Copyright (c) 2007 - 2008, Intel Corporation\r | |
e237e7ae | 6 | All rights reserved. This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
e237e7ae | 14 | **/\r |
15 | \r | |
16 | #ifndef _EFI_USBMASS_CBI_H_\r | |
17 | #define _EFI_USBMASS_CBI_H_\r | |
18 | \r | |
3e03cb4d | 19 | #include "UsbMass.h"\r |
20 | \r | |
d80ed2a7 | 21 | extern USB_MASS_TRANSPORT mUsbCbi0Transport;\r |
22 | extern USB_MASS_TRANSPORT mUsbCbi1Transport;\r | |
23 | \r | |
cc5166ff | 24 | typedef enum {\r |
e237e7ae | 25 | USB_CBI_MAX_PACKET_NUM = 16,\r |
26 | USB_CBI_RESET_CMD_LEN = 12,\r | |
27 | \r | |
28 | //\r | |
d80ed2a7 | 29 | // USB CBI retry C/B/I transport times, set by experience\r |
e237e7ae | 30 | //\r |
31 | USB_CBI_MAX_RETRY = 3,\r | |
32 | \r | |
33 | //\r | |
d80ed2a7 | 34 | // Time to wait for USB CBI reset to complete, set by experience\r |
41e8ff27 | 35 | // \r |
36 | USB_CBI_RESET_DEVICE_STALL = 50 * USB_MASS_1_MILLISECOND,\r | |
37 | \r | |
38 | //\r | |
d80ed2a7 | 39 | // USB CBI transport timeout, set by experience\r |
e237e7ae | 40 | //\r |
23c326c2 | 41 | USB_CBI_RESET_DEVICE_TIMEOUT = 1 * USB_MASS_1_SECOND\r |
d80ed2a7 | 42 | } USB_CBI_DATA;\r |
e237e7ae | 43 | \r |
e237e7ae | 44 | typedef struct {\r |
d80ed2a7 | 45 | //\r |
46 | // Put Interface at the first field to make it easy to distinguish BOT/CBI Protocol instance\r | |
47 | //\r | |
e237e7ae | 48 | EFI_USB_INTERFACE_DESCRIPTOR Interface;\r |
49 | EFI_USB_ENDPOINT_DESCRIPTOR *BulkInEndpoint;\r | |
50 | EFI_USB_ENDPOINT_DESCRIPTOR *BulkOutEndpoint;\r | |
51 | EFI_USB_ENDPOINT_DESCRIPTOR *InterruptEndpoint;\r | |
52 | EFI_USB_IO_PROTOCOL *UsbIo;\r | |
53 | } USB_CBI_PROTOCOL;\r | |
54 | \r | |
55 | #pragma pack(1)\r | |
56 | typedef struct {\r | |
57 | UINT8 Type;\r | |
58 | UINT8 Value;\r | |
59 | } USB_CBI_STATUS;\r | |
60 | #pragma pack()\r | |
61 | \r | |
d80ed2a7 | 62 | /**\r |
63 | Initializes USB CBI protocol.\r | |
64 | \r | |
65 | This function initializes the USB mass storage class CBI protocol.\r | |
66 | It will save its context which is a USB_CBI_PROTOCOL structure\r | |
67 | in the Context if Context isn't NULL.\r | |
68 | \r | |
69 | @param UsbIo The USB I/O Protocol instance\r | |
70 | @param Context The buffer to save the context to\r | |
71 | \r | |
72 | @retval EFI_SUCCESS The device is successfully initialized.\r | |
73 | @retval EFI_UNSUPPORTED The transport protocol doesn't support the device.\r | |
74 | @retval Other The USB CBI initialization fails.\r | |
75 | \r | |
76 | **/\r | |
77 | EFI_STATUS\r | |
78 | UsbCbiInit (\r | |
79 | IN EFI_USB_IO_PROTOCOL *UsbIo,\r | |
80 | OUT VOID **Context OPTIONAL\r | |
81 | );\r | |
82 | \r | |
83 | /**\r | |
84 | Execute USB mass storage command through the CBI0/CBI1 transport protocol.\r | |
85 | \r | |
86 | @param Context The USB CBI Protocol.\r | |
87 | @param Cmd The command to transfer to device\r | |
88 | @param CmdLen The length of the command\r | |
89 | @param DataDir The direction of data transfer\r | |
90 | @param Data The buffer to hold the data\r | |
91 | @param DataLen The length of the buffer\r | |
92 | @param Lun Should be 0, this field for bot only\r | |
93 | @param Timeout The time to wait\r | |
94 | @param CmdStatus The result of the command execution\r | |
95 | \r | |
96 | @retval EFI_SUCCESS The command is executed successfully.\r | |
97 | @retval Other Failed to execute the command\r | |
98 | \r | |
99 | **/\r | |
100 | EFI_STATUS\r | |
101 | UsbCbiExecCommand (\r | |
102 | IN VOID *Context,\r | |
103 | IN VOID *Cmd,\r | |
104 | IN UINT8 CmdLen,\r | |
105 | IN EFI_USB_DATA_DIRECTION DataDir,\r | |
106 | IN VOID *Data,\r | |
107 | IN UINT32 DataLen,\r | |
108 | IN UINT8 Lun,\r | |
109 | IN UINT32 Timeout,\r | |
110 | OUT UINT32 *CmdStatus\r | |
111 | );\r | |
112 | \r | |
113 | /**\r | |
114 | Reset the USB mass storage device by CBI protocol.\r | |
115 | \r | |
116 | This function resets the USB mass storage device by CBI protocol.\r | |
117 | The reset is defined as a non-data command. Don't use UsbCbiExecCommand\r | |
118 | to send the command to device because that may introduce recursive loop.\r | |
119 | \r | |
120 | @param Context The USB CBI protocol\r | |
121 | @param ExtendedVerification The flag controlling the rule of reset.\r | |
122 | Not used here.\r | |
123 | \r | |
124 | @retval EFI_SUCCESS The device is reset.\r | |
125 | @retval Others Failed to reset the device.\r | |
126 | \r | |
127 | **/\r | |
128 | EFI_STATUS\r | |
129 | UsbCbiResetDevice (\r | |
130 | IN VOID *Context,\r | |
131 | IN BOOLEAN ExtendedVerification\r | |
132 | );\r | |
133 | \r | |
134 | /**\r | |
135 | Clean up the CBI protocol's resource.\r | |
136 | \r | |
137 | @param Context The instance of CBI protocol.\r | |
138 | \r | |
139 | @retval EFI_SUCCESS The resource is cleaned up.\r | |
140 | \r | |
141 | **/\r | |
142 | EFI_STATUS\r | |
143 | UsbCbiCleanUp (\r | |
144 | IN VOID *Context\r | |
145 | );\r | |
146 | \r | |
e237e7ae | 147 | #endif\r |