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a2f5c91c AEK |
1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | /* | |
3 | * Functional tests for UCLASS_FFA class | |
4 | * | |
5 | * Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com> | |
6 | * | |
7 | * Authors: | |
8 | * Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com> | |
9 | */ | |
10 | ||
a2f5c91c AEK |
11 | #include <console.h> |
12 | #include <dm.h> | |
13 | #include <asm/sandbox_arm_ffa.h> | |
14 | #include <asm/sandbox_arm_ffa_priv.h> | |
15 | #include <dm/test.h> | |
16 | #include <test/test.h> | |
17 | #include <test/ut.h> | |
18 | ||
19 | /* Functional tests for the UCLASS_FFA */ | |
20 | ||
21 | static int check_fwk_version(struct ffa_priv *uc_priv, struct unit_test_state *uts) | |
22 | { | |
23 | struct ffa_sandbox_data func_data; | |
24 | u32 fwk_version = 0; | |
25 | ||
26 | func_data.data0 = &fwk_version; | |
27 | func_data.data0_size = sizeof(fwk_version); | |
28 | ut_assertok(sandbox_query_ffa_emul_state(FFA_VERSION, &func_data)); | |
29 | ut_asserteq(uc_priv->fwk_version, fwk_version); | |
30 | ||
31 | return 0; | |
32 | } | |
33 | ||
34 | static int check_endpoint_id(struct ffa_priv *uc_priv, struct unit_test_state *uts) | |
35 | { | |
36 | ut_asserteq(0, uc_priv->id); | |
37 | ||
38 | return 0; | |
39 | } | |
40 | ||
41 | static int check_rxtxbuf(struct ffa_priv *uc_priv, struct unit_test_state *uts) | |
42 | { | |
43 | ut_assertnonnull(uc_priv->pair.rxbuf); | |
44 | ut_assertnonnull(uc_priv->pair.txbuf); | |
45 | ||
46 | return 0; | |
47 | } | |
48 | ||
49 | static int check_features(struct ffa_priv *uc_priv, struct unit_test_state *uts) | |
50 | { | |
51 | ut_assert(uc_priv->pair.rxtx_min_pages == RXTX_4K || | |
52 | uc_priv->pair.rxtx_min_pages == RXTX_16K || | |
53 | uc_priv->pair.rxtx_min_pages == RXTX_64K); | |
54 | ||
55 | return 0; | |
56 | } | |
57 | ||
58 | static int check_rxbuf_mapped_flag(u32 queried_func_id, | |
59 | u8 rxbuf_mapped, | |
60 | struct unit_test_state *uts) | |
61 | { | |
62 | switch (queried_func_id) { | |
63 | case FFA_RXTX_MAP: | |
64 | ut_asserteq(1, rxbuf_mapped); | |
65 | break; | |
66 | case FFA_RXTX_UNMAP: | |
67 | ut_asserteq(0, rxbuf_mapped); | |
68 | break; | |
69 | default: | |
70 | ut_assert(false); | |
71 | } | |
72 | ||
73 | return 0; | |
74 | } | |
75 | ||
76 | static int check_rxbuf_release_flag(u8 rxbuf_owned, struct unit_test_state *uts) | |
77 | { | |
78 | ut_asserteq(0, rxbuf_owned); | |
79 | ||
80 | return 0; | |
81 | } | |
82 | ||
83 | static int test_ffa_msg_send_direct_req(u16 part_id, struct unit_test_state *uts) | |
84 | { | |
85 | struct ffa_send_direct_data msg; | |
86 | u8 cnt; | |
87 | struct udevice *dev; | |
88 | ||
89 | ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev)); | |
90 | ||
91 | ut_assertok(ffa_sync_send_receive(dev, part_id, &msg, 1)); | |
92 | ||
93 | for (cnt = 0; cnt < sizeof(struct ffa_send_direct_data) / sizeof(u64); cnt++) | |
94 | ut_asserteq_64(-1UL, ((u64 *)&msg)[cnt]); | |
95 | ||
96 | return 0; | |
97 | } | |
98 | ||
99 | static int test_partitions_and_comms(const char *service_uuid, | |
100 | struct unit_test_state *uts) | |
101 | { | |
102 | struct ffa_partition_desc *descs; | |
103 | u32 count, i, j, valid_sps = 0; | |
104 | struct udevice *dev; | |
105 | struct ffa_sandbox_data func_data; | |
106 | struct ffa_partitions *partitions; | |
107 | ||
108 | ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev)); | |
109 | ||
110 | /* Get from the driver the count and information of the SPs matching the UUID */ | |
111 | ut_assertok(ffa_partition_info_get(dev, service_uuid, &count, &descs)); | |
112 | ||
113 | /* Make sure the count is correct */ | |
114 | ut_asserteq(SANDBOX_SP_COUNT_PER_VALID_SERVICE, count); | |
115 | ||
116 | /* SPs found , verify the partitions information */ | |
117 | ||
118 | func_data.data0 = &partitions; | |
119 | func_data.data0_size = sizeof(struct ffa_partitions *); | |
120 | ut_assertok(sandbox_query_ffa_emul_state(FFA_PARTITION_INFO_GET, &func_data)); | |
121 | ||
122 | for (i = 0; i < count ; i++) { | |
123 | for (j = 0; | |
124 | j < partitions->count; | |
125 | j++) { | |
126 | if (descs[i].info.id == | |
127 | partitions->descs[j].info.id) { | |
128 | valid_sps++; | |
129 | ut_asserteq_mem(&descs[i], | |
130 | &partitions->descs[j], | |
131 | sizeof(struct ffa_partition_desc)); | |
132 | /* Send and receive data from the current partition */ | |
133 | test_ffa_msg_send_direct_req(descs[i].info.id, uts); | |
134 | } | |
135 | } | |
136 | } | |
137 | ||
138 | /* Verify expected partitions found in the emulated secure world */ | |
139 | ut_asserteq(SANDBOX_SP_COUNT_PER_VALID_SERVICE, valid_sps); | |
140 | ||
141 | return 0; | |
142 | } | |
143 | ||
144 | static int dm_test_ffa_ack(struct unit_test_state *uts) | |
145 | { | |
146 | struct ffa_priv *uc_priv; | |
147 | struct ffa_sandbox_data func_data; | |
148 | u8 rxbuf_flag = 0; | |
149 | const char *svc1_uuid = SANDBOX_SERVICE1_UUID; | |
150 | const char *svc2_uuid = SANDBOX_SERVICE2_UUID; | |
151 | struct udevice *dev; | |
152 | ||
153 | /* Test probing the sandbox FF-A bus */ | |
154 | ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev)); | |
155 | ||
156 | /* Get a pointer to the sandbox FF-A bus private data */ | |
157 | uc_priv = dev_get_uclass_priv(dev); | |
158 | ||
159 | /* Make sure the private data pointer is retrieved */ | |
160 | ut_assertnonnull(uc_priv); | |
161 | ||
162 | /* Test FFA_VERSION */ | |
163 | check_fwk_version(uc_priv, uts); | |
164 | ||
165 | /* Test FFA_ID_GET */ | |
166 | check_endpoint_id(uc_priv, uts); | |
167 | ||
168 | /* Test FFA_FEATURES */ | |
169 | check_features(uc_priv, uts); | |
170 | ||
171 | /* Test RX/TX buffers */ | |
172 | check_rxtxbuf(uc_priv, uts); | |
173 | ||
174 | /* Test FFA_RXTX_MAP */ | |
175 | func_data.data0 = &rxbuf_flag; | |
176 | func_data.data0_size = sizeof(rxbuf_flag); | |
177 | ||
178 | rxbuf_flag = 0; | |
179 | sandbox_query_ffa_emul_state(FFA_RXTX_MAP, &func_data); | |
180 | check_rxbuf_mapped_flag(FFA_RXTX_MAP, rxbuf_flag, uts); | |
181 | ||
182 | /* FFA_PARTITION_INFO_GET / FFA_MSG_SEND_DIRECT_REQ */ | |
183 | test_partitions_and_comms(svc1_uuid, uts); | |
184 | ||
185 | /* Test FFA_RX_RELEASE */ | |
186 | rxbuf_flag = 1; | |
187 | sandbox_query_ffa_emul_state(FFA_RX_RELEASE, &func_data); | |
188 | check_rxbuf_release_flag(rxbuf_flag, uts); | |
189 | ||
190 | /* FFA_PARTITION_INFO_GET / FFA_MSG_SEND_DIRECT_REQ */ | |
191 | test_partitions_and_comms(svc2_uuid, uts); | |
192 | ||
193 | /* Test FFA_RX_RELEASE */ | |
194 | rxbuf_flag = 1; | |
195 | ut_assertok(sandbox_query_ffa_emul_state(FFA_RX_RELEASE, &func_data)); | |
196 | check_rxbuf_release_flag(rxbuf_flag, uts); | |
197 | ||
198 | return 0; | |
199 | } | |
200 | ||
201 | DM_TEST(dm_test_ffa_ack, UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC); | |
202 | ||
203 | static int dm_test_ffa_nack(struct unit_test_state *uts) | |
204 | { | |
205 | struct ffa_priv *uc_priv; | |
206 | const char *valid_svc_uuid = SANDBOX_SERVICE1_UUID; | |
207 | const char *unvalid_svc_uuid = SANDBOX_SERVICE3_UUID; | |
208 | const char *unvalid_svc_uuid_str = SANDBOX_SERVICE4_UUID; | |
209 | struct ffa_send_direct_data msg; | |
210 | int ret; | |
211 | u32 count; | |
212 | u16 part_id = 0; | |
213 | struct udevice *dev; | |
214 | struct ffa_partition_desc *descs = NULL; | |
215 | ||
216 | /* Test probing the sandbox FF-A bus */ | |
217 | ut_assertok(uclass_first_device_err(UCLASS_FFA, &dev)); | |
218 | ||
219 | /* Get a pointer to the sandbox FF-A bus private data */ | |
220 | uc_priv = dev_get_uclass_priv(dev); | |
221 | ||
222 | /* Make sure the private data pointer is retrieved */ | |
223 | ut_assertnonnull(uc_priv); | |
224 | ||
225 | /* Query partitions count using invalid arguments */ | |
226 | ret = ffa_partition_info_get(dev, NULL, NULL, NULL); | |
227 | ut_asserteq(-EINVAL, ret); | |
228 | ret = ffa_partition_info_get(dev, unvalid_svc_uuid, NULL, NULL); | |
229 | ut_asserteq(-EINVAL, ret); | |
230 | ret = ffa_partition_info_get(dev, unvalid_svc_uuid, &count, NULL); | |
231 | ut_asserteq(-EINVAL, ret); | |
232 | ||
233 | /* Query partitions count using an invalid UUID string */ | |
234 | ret = ffa_partition_info_get(dev, unvalid_svc_uuid_str, &count, &descs); | |
235 | ut_asserteq(-EINVAL, ret); | |
236 | ||
237 | /* Query partitions count using an invalid UUID (no matching SP) */ | |
238 | count = 0; | |
239 | ret = ffa_partition_info_get(dev, unvalid_svc_uuid, &count, &descs); | |
240 | ut_asserteq(0, count); | |
241 | ||
242 | /* Query partitions data using a valid UUID */ | |
243 | count = 0; | |
244 | ut_assertok(ffa_partition_info_get(dev, valid_svc_uuid, &count, &descs)); | |
245 | /* Make sure partitions are detected */ | |
246 | ut_asserteq(SANDBOX_SP_COUNT_PER_VALID_SERVICE, count); | |
247 | ut_assertnonnull(descs); | |
248 | ||
249 | /* Send data to an invalid partition */ | |
250 | ret = ffa_sync_send_receive(dev, part_id, &msg, 1); | |
251 | ut_asserteq(-EINVAL, ret); | |
252 | ||
253 | /* Send data to a valid partition */ | |
254 | part_id = uc_priv->partitions.descs[0].info.id; | |
255 | ut_assertok(ffa_sync_send_receive(dev, part_id, &msg, 1)); | |
256 | ||
257 | return 0; | |
258 | } | |
259 | ||
260 | DM_TEST(dm_test_ffa_nack, UT_TESTF_SCAN_FDT | UT_TESTF_CONSOLE_REC); |