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1 | /** @file\r |
2 | Copyright (c) 2004 - 2007, Intel Corporation\r |
3 | All rights reserved. This program and the accompanying materials\r |
4 | are licensed and made available under the terms and conditions of the BSD License\r |
5 | which accompanies this distribution. The full text of the license may be found at\r |
6 | http://opensource.org/licenses/bsd-license.php\r |
7 | \r |
8 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
9 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
10 | \r |
11 | Module name:\r |
12 | start.c\r |
13 | \r |
14 | Abstract:\r |
15 | \r |
16 | Revision history:\r |
17 | 2000-Feb-07 M(f)J Genesis.\r |
18 | \r |
19 | **/\r |
20 | \r |
21 | #include "Snp.h"\r |
22 | \r |
23 | \r |
24 | /**\r |
25 | this routine calls undi to start the interface and changes the snp state!\r |
26 | \r |
27 | @param snp pointer to snp driver structure\r |
28 | \r |
29 | \r |
30 | **/\r |
31 | EFI_STATUS\r |
32 | pxe_start (\r |
33 | SNP_DRIVER *snp\r |
34 | )\r |
35 | {\r |
772db4bb |
36 | PXE_CPB_START_30 *cpb;\r |
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37 | PXE_CPB_START_31 *cpb_31;\r |
38 | \r |
39 | cpb = snp->cpb;\r |
40 | cpb_31 = snp->cpb;\r |
41 | //\r |
42 | // Initialize UNDI Start CDB for H/W UNDI\r |
43 | //\r |
44 | snp->cdb.OpCode = PXE_OPCODE_START;\r |
45 | snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED;\r |
46 | snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r |
47 | snp->cdb.DBsize = PXE_DBSIZE_NOT_USED;\r |
48 | snp->cdb.CPBaddr = PXE_CPBADDR_NOT_USED;\r |
49 | snp->cdb.DBaddr = PXE_DBADDR_NOT_USED;\r |
50 | snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r |
51 | snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r |
52 | snp->cdb.IFnum = snp->if_num;\r |
53 | snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r |
54 | \r |
55 | //\r |
56 | // Make changes to H/W UNDI Start CDB if this is\r |
57 | // a S/W UNDI.\r |
58 | //\r |
59 | if (snp->is_swundi) {\r |
60 | if (snp->IsOldUndi) {\r |
61 | snp->cdb.CPBsize = sizeof (PXE_CPB_START_30);\r |
62 | snp->cdb.CPBaddr = (UINT64)(UINTN) cpb;\r |
63 | \r |
64 | cpb->Delay = (UINT64)(UINTN) &snp_undi32_callback_delay_30;\r |
65 | cpb->Block = (UINT64)(UINTN) &snp_undi32_callback_block_30;\r |
66 | \r |
67 | //\r |
68 | // Virtual == Physical. This can be set to zero.\r |
69 | //\r |
70 | cpb->Virt2Phys = (UINT64)(UINTN) &snp_undi32_callback_v2p_30;\r |
71 | cpb->Mem_IO = (UINT64)(UINTN) &snp_undi32_callback_memio_30;\r |
72 | } else {\r |
73 | snp->cdb.CPBsize = sizeof (PXE_CPB_START_31);\r |
74 | snp->cdb.CPBaddr = (UINT64)(UINTN) cpb_31;\r |
75 | \r |
76 | cpb_31->Delay = (UINT64)(UINTN) &snp_undi32_callback_delay;\r |
77 | cpb_31->Block = (UINT64)(UINTN) &snp_undi32_callback_block;\r |
78 | \r |
79 | //\r |
80 | // Virtual == Physical. This can be set to zero.\r |
81 | //\r |
82 | cpb_31->Virt2Phys = (UINT64)(UINTN) 0;\r |
83 | cpb_31->Mem_IO = (UINT64)(UINTN) &snp_undi32_callback_memio;\r |
84 | \r |
85 | cpb_31->Map_Mem = (UINT64)(UINTN) &snp_undi32_callback_map;\r |
86 | cpb_31->UnMap_Mem = (UINT64)(UINTN) &snp_undi32_callback_unmap;\r |
87 | cpb_31->Sync_Mem = (UINT64)(UINTN) &snp_undi32_callback_sync;\r |
88 | \r |
89 | cpb_31->Unique_ID = (UINT64)(UINTN) snp;\r |
90 | }\r |
91 | }\r |
92 | //\r |
93 | // Issue UNDI command and check result.\r |
94 | //\r |
95 | DEBUG ((EFI_D_NET, "\nsnp->undi.start() "));\r |
96 | \r |
97 | (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);\r |
98 | \r |
99 | if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {\r |
100 | //\r |
101 | // UNDI could not be started. Return UNDI error.\r |
102 | //\r |
103 | DEBUG (\r |
104 | (EFI_D_ERROR,\r |
105 | "\nsnp->undi.start() %xh:%xh\n",\r |
106 | snp->cdb.StatCode,\r |
107 | snp->cdb.StatFlags)\r |
108 | );\r |
109 | \r |
110 | return EFI_DEVICE_ERROR;\r |
111 | }\r |
112 | //\r |
113 | // Set simple network state to Started and return success.\r |
114 | //\r |
115 | snp->mode.State = EfiSimpleNetworkStarted;\r |
116 | \r |
117 | return EFI_SUCCESS;\r |
118 | }\r |
119 | \r |
120 | \r |
121 | /**\r |
122 | This is the SNP interface routine for starting the interface\r |
123 | This routine basically retrieves snp structure, checks the SNP state and\r |
124 | calls the pxe_start routine to actually do start undi interface\r |
125 | \r |
126 | @param This context pointer\r |
127 | \r |
128 | @retval EFI_INVALID_PARAMETER "This" is Null\r |
129 | @retval No SNP driver can be extracted from "This"\r |
130 | @retval EFI_ALREADY_STARTED The state of SNP is EfiSimpleNetworkStarted or\r |
131 | EfiSimpleNetworkInitialized\r |
132 | @retval EFI_DEVICE_ERROR The state of SNP is other than\r |
133 | EfiSimpleNetworkStarted,\r |
134 | EfiSimpleNetworkInitialized, and\r |
135 | EfiSimpleNetworkStopped\r |
136 | @retval EFI_SUCCESS UNDI interface is succesfully started\r |
137 | @retval Other Error occurs while calling pxe_start function.\r |
138 | \r |
139 | **/\r |
140 | EFI_STATUS\r |
141 | EFIAPI\r |
142 | snp_undi32_start (\r |
143 | IN EFI_SIMPLE_NETWORK_PROTOCOL *This\r |
144 | )\r |
145 | {\r |
146 | SNP_DRIVER *Snp;\r |
147 | EFI_STATUS Status;\r |
148 | UINTN Index;\r |
149 | EFI_TPL OldTpl;\r |
150 | \r |
151 | if (This == NULL) {\r |
152 | return EFI_INVALID_PARAMETER;\r |
153 | }\r |
154 | \r |
155 | Snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);\r |
156 | \r |
157 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r |
158 | \r |
159 | switch (Snp->mode.State) {\r |
160 | case EfiSimpleNetworkStopped:\r |
161 | break;\r |
162 | \r |
163 | case EfiSimpleNetworkStarted:\r |
164 | case EfiSimpleNetworkInitialized:\r |
165 | Status = EFI_ALREADY_STARTED;\r |
166 | goto ON_EXIT;\r |
167 | \r |
168 | default:\r |
169 | Status = EFI_DEVICE_ERROR;\r |
170 | goto ON_EXIT;\r |
171 | }\r |
172 | \r |
173 | Status = pxe_start (Snp);\r |
174 | if (EFI_ERROR (Status)) {\r |
175 | goto ON_EXIT;\r |
176 | }\r |
177 | //\r |
178 | // clear the map_list in SNP structure\r |
179 | //\r |
180 | for (Index = 0; Index < MAX_MAP_LENGTH; Index++) {\r |
181 | Snp->map_list[Index].virt = 0;\r |
182 | Snp->map_list[Index].map_cookie = 0;\r |
183 | }\r |
184 | \r |
185 | Snp->mode.MCastFilterCount = 0;\r |
186 | \r |
187 | ON_EXIT:\r |
188 | gBS->RestoreTPL (OldTpl);\r |
189 | \r |
190 | return Status;\r |
191 | }\r |