diff options
author | Tadeusz Struk <tadeusz.struk@intel.com> | 2014-06-05 16:44:20 -0400 |
---|---|---|
committer | Herbert Xu <herbert@gondor.apana.org.au> | 2014-06-20 09:26:18 -0400 |
commit | 7afa232e76ced910a191a3f6669d8f48bcb46b3e (patch) | |
tree | a006dde3c48be9190aa8e37629f39dd982b33b78 /drivers/crypto/qat | |
parent | b3416fb8a2f5a1653e4ab72b55907794cc10bde1 (diff) |
crypto: qat - Intel(R) QAT DH895xcc accelerator
This patch adds DH895xCC hardware specific code.
It hooks to the common infrastructure and provides acceleration for crypto
algorithms.
Acked-by: John Griffin <john.griffin@intel.com>
Reviewed-by: Bruce W. Allan <bruce.w.allan@intel.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/qat')
-rw-r--r-- | drivers/crypto/qat/qat_dh895xcc/Makefile | 8 | ||||
-rw-r--r-- | drivers/crypto/qat/qat_dh895xcc/adf_admin.c | 144 | ||||
-rw-r--r-- | drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c | 214 | ||||
-rw-r--r-- | drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.h | 86 | ||||
-rw-r--r-- | drivers/crypto/qat/qat_dh895xcc/adf_drv.c | 448 | ||||
-rw-r--r-- | drivers/crypto/qat/qat_dh895xcc/adf_drv.h | 67 | ||||
-rw-r--r-- | drivers/crypto/qat/qat_dh895xcc/adf_hw_arbiter.c | 159 | ||||
-rw-r--r-- | drivers/crypto/qat/qat_dh895xcc/adf_isr.c | 266 | ||||
-rw-r--r-- | drivers/crypto/qat/qat_dh895xcc/qat_admin.c | 107 |
9 files changed, 1499 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_dh895xcc/Makefile b/drivers/crypto/qat/qat_dh895xcc/Makefile new file mode 100644 index 000000000000..8e4924d6a54b --- /dev/null +++ b/drivers/crypto/qat/qat_dh895xcc/Makefile | |||
@@ -0,0 +1,8 @@ | |||
1 | ccflags-y := -I$(CURDIR)/drivers/crypto/qat/qat_common | ||
2 | obj-$(CONFIG_CRYPTO_DEV_QAT_DH895xCC) += qat_dh895xcc.o | ||
3 | qat_dh895xcc-objs := adf_drv.o \ | ||
4 | adf_isr.o \ | ||
5 | adf_dh895xcc_hw_data.o \ | ||
6 | adf_hw_arbiter.o \ | ||
7 | qat_admin.o \ | ||
8 | adf_admin.o | ||
diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_admin.c b/drivers/crypto/qat/qat_dh895xcc/adf_admin.c new file mode 100644 index 000000000000..978d6c56639d --- /dev/null +++ b/drivers/crypto/qat/qat_dh895xcc/adf_admin.c | |||
@@ -0,0 +1,144 @@ | |||
1 | /* | ||
2 | This file is provided under a dual BSD/GPLv2 license. When using or | ||
3 | redistributing this file, you may do so under either license. | ||
4 | |||
5 | GPL LICENSE SUMMARY | ||
6 | Copyright(c) 2014 Intel Corporation. | ||
7 | This program is free software; you can redistribute it and/or modify | ||
8 | it under the terms of version 2 of the GNU General Public License as | ||
9 | published by the Free Software Foundation. | ||
10 | |||
11 | This program is distributed in the hope that it will be useful, but | ||
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
14 | General Public License for more details. | ||
15 | |||
16 | Contact Information: | ||
17 | qat-linux@intel.com | ||
18 | |||
19 | BSD LICENSE | ||
20 | Copyright(c) 2014 Intel Corporation. | ||
21 | Redistribution and use in source and binary forms, with or without | ||
22 | modification, are permitted provided that the following conditions | ||
23 | are met: | ||
24 | |||
25 | * Redistributions of source code must retain the above copyright | ||
26 | notice, this list of conditions and the following disclaimer. | ||
27 | * Redistributions in binary form must reproduce the above copyright | ||
28 | notice, this list of conditions and the following disclaimer in | ||
29 | the documentation and/or other materials provided with the | ||
30 | distribution. | ||
31 | * Neither the name of Intel Corporation nor the names of its | ||
32 | contributors may be used to endorse or promote products derived | ||
33 | from this software without specific prior written permission. | ||
34 | |||
35 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
36 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
37 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
38 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
39 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
40 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
41 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
42 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
43 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
44 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
45 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
46 | */ | ||
47 | #include <linux/types.h> | ||
48 | #include <linux/mutex.h> | ||
49 | #include <linux/slab.h> | ||
50 | #include <linux/delay.h> | ||
51 | #include <linux/pci.h> | ||
52 | #include <linux/dma-mapping.h> | ||
53 | #include <adf_accel_devices.h> | ||
54 | #include "adf_drv.h" | ||
55 | #include "adf_dh895xcc_hw_data.h" | ||
56 | |||
57 | #define ADF_ADMINMSG_LEN 32 | ||
58 | |||
59 | struct adf_admin_comms { | ||
60 | dma_addr_t phy_addr; | ||
61 | void *virt_addr; | ||
62 | void __iomem *mailbox_addr; | ||
63 | struct mutex lock; /* protects adf_admin_comms struct */ | ||
64 | }; | ||
65 | |||
66 | int adf_put_admin_msg_sync(struct adf_accel_dev *accel_dev, | ||
67 | uint32_t ae, void *in, void *out) | ||
68 | { | ||
69 | struct adf_admin_comms *admin = accel_dev->admin; | ||
70 | int offset = ae * ADF_ADMINMSG_LEN * 2; | ||
71 | void __iomem *mailbox = admin->mailbox_addr; | ||
72 | int mb_offset = ae * ADF_DH895XCC_MAILBOX_STRIDE; | ||
73 | int times, received; | ||
74 | |||
75 | mutex_lock(&admin->lock); | ||
76 | |||
77 | if (ADF_CSR_RD(mailbox, mb_offset) == 1) { | ||
78 | mutex_unlock(&admin->lock); | ||
79 | return -EAGAIN; | ||
80 | } | ||
81 | |||
82 | memcpy(admin->virt_addr + offset, in, ADF_ADMINMSG_LEN); | ||
83 | ADF_CSR_WR(mailbox, mb_offset, 1); | ||
84 | received = 0; | ||
85 | for (times = 0; times < 50; times++) { | ||
86 | msleep(20); | ||
87 | if (ADF_CSR_RD(mailbox, mb_offset) == 0) { | ||
88 | received = 1; | ||
89 | break; | ||
90 | } | ||
91 | } | ||
92 | if (received) | ||
93 | memcpy(out, admin->virt_addr + offset + | ||
94 | ADF_ADMINMSG_LEN, ADF_ADMINMSG_LEN); | ||
95 | else | ||
96 | pr_err("QAT: Failed to send admin msg to accelerator\n"); | ||
97 | |||
98 | mutex_unlock(&admin->lock); | ||
99 | return received ? 0 : -EFAULT; | ||
100 | } | ||
101 | |||
102 | int adf_init_admin_comms(struct adf_accel_dev *accel_dev) | ||
103 | { | ||
104 | struct adf_admin_comms *admin; | ||
105 | struct adf_bar *pmisc = &GET_BARS(accel_dev)[ADF_DH895XCC_PMISC_BAR]; | ||
106 | void __iomem *csr = pmisc->virt_addr; | ||
107 | void __iomem *mailbox = csr + ADF_DH895XCC_MAILBOX_BASE_OFFSET; | ||
108 | uint64_t reg_val; | ||
109 | |||
110 | admin = kzalloc_node(sizeof(*accel_dev->admin), GFP_KERNEL, | ||
111 | accel_dev->numa_node); | ||
112 | if (!admin) | ||
113 | return -ENOMEM; | ||
114 | admin->virt_addr = dma_zalloc_coherent(&GET_DEV(accel_dev), PAGE_SIZE, | ||
115 | &admin->phy_addr, GFP_KERNEL); | ||
116 | if (!admin->virt_addr) { | ||
117 | dev_err(&GET_DEV(accel_dev), "Failed to allocate dma buff\n"); | ||
118 | kfree(admin); | ||
119 | return -ENOMEM; | ||
120 | } | ||
121 | reg_val = (uint64_t)admin->phy_addr; | ||
122 | ADF_CSR_WR(csr, ADF_DH895XCC_ADMINMSGUR_OFFSET, reg_val >> 32); | ||
123 | ADF_CSR_WR(csr, ADF_DH895XCC_ADMINMSGLR_OFFSET, reg_val); | ||
124 | mutex_init(&admin->lock); | ||
125 | admin->mailbox_addr = mailbox; | ||
126 | accel_dev->admin = admin; | ||
127 | return 0; | ||
128 | } | ||
129 | |||
130 | void adf_exit_admin_comms(struct adf_accel_dev *accel_dev) | ||
131 | { | ||
132 | struct adf_admin_comms *admin = accel_dev->admin; | ||
133 | |||
134 | if (!admin) | ||
135 | return; | ||
136 | |||
137 | if (admin->virt_addr) | ||
138 | dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE, | ||
139 | admin->virt_addr, admin->phy_addr); | ||
140 | |||
141 | mutex_destroy(&admin->lock); | ||
142 | kfree(admin); | ||
143 | accel_dev->admin = NULL; | ||
144 | } | ||
diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c b/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c new file mode 100644 index 000000000000..ef05825cc651 --- /dev/null +++ b/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.c | |||
@@ -0,0 +1,214 @@ | |||
1 | /* | ||
2 | This file is provided under a dual BSD/GPLv2 license. When using or | ||
3 | redistributing this file, you may do so under either license. | ||
4 | |||
5 | GPL LICENSE SUMMARY | ||
6 | Copyright(c) 2014 Intel Corporation. | ||
7 | This program is free software; you can redistribute it and/or modify | ||
8 | it under the terms of version 2 of the GNU General Public License as | ||
9 | published by the Free Software Foundation. | ||
10 | |||
11 | This program is distributed in the hope that it will be useful, but | ||
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
14 | General Public License for more details. | ||
15 | |||
16 | Contact Information: | ||
17 | qat-linux@intel.com | ||
18 | |||
19 | BSD LICENSE | ||
20 | Copyright(c) 2014 Intel Corporation. | ||
21 | Redistribution and use in source and binary forms, with or without | ||
22 | modification, are permitted provided that the following conditions | ||
23 | are met: | ||
24 | |||
25 | * Redistributions of source code must retain the above copyright | ||
26 | notice, this list of conditions and the following disclaimer. | ||
27 | * Redistributions in binary form must reproduce the above copyright | ||
28 | notice, this list of conditions and the following disclaimer in | ||
29 | the documentation and/or other materials provided with the | ||
30 | distribution. | ||
31 | * Neither the name of Intel Corporation nor the names of its | ||
32 | contributors may be used to endorse or promote products derived | ||
33 | from this software without specific prior written permission. | ||
34 | |||
35 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
36 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
37 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
38 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
39 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
40 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
41 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
42 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
43 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
44 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
45 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
46 | */ | ||
47 | #include <adf_accel_devices.h> | ||
48 | #include "adf_dh895xcc_hw_data.h" | ||
49 | #include "adf_drv.h" | ||
50 | |||
51 | /* Worker thread to service arbiter mappings based on dev SKUs */ | ||
52 | static const uint32_t thrd_to_arb_map_sku4[] = { | ||
53 | 0x12222AAA, 0x11666666, 0x12222AAA, 0x11666666, | ||
54 | 0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222, | ||
55 | 0x00000000, 0x00000000, 0x00000000, 0x00000000 | ||
56 | }; | ||
57 | |||
58 | static const uint32_t thrd_to_arb_map_sku6[] = { | ||
59 | 0x12222AAA, 0x11666666, 0x12222AAA, 0x11666666, | ||
60 | 0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222, | ||
61 | 0x12222AAA, 0x11222222, 0x12222AAA, 0x11222222 | ||
62 | }; | ||
63 | |||
64 | static struct adf_hw_device_class dh895xcc_class = { | ||
65 | .name = ADF_DH895XCC_DEVICE_NAME, | ||
66 | .type = DEV_DH895XCC, | ||
67 | .instances = 0 | ||
68 | }; | ||
69 | |||
70 | static uint32_t get_accel_mask(uint32_t fuse) | ||
71 | { | ||
72 | return (~fuse) >> ADF_DH895XCC_ACCELERATORS_REG_OFFSET & | ||
73 | ADF_DH895XCC_ACCELERATORS_MASK; | ||
74 | } | ||
75 | |||
76 | static uint32_t get_ae_mask(uint32_t fuse) | ||
77 | { | ||
78 | return (~fuse) & ADF_DH895XCC_ACCELENGINES_MASK; | ||
79 | } | ||
80 | |||
81 | static uint32_t get_num_accels(struct adf_hw_device_data *self) | ||
82 | { | ||
83 | uint32_t i, ctr = 0; | ||
84 | |||
85 | if (!self || !self->accel_mask) | ||
86 | return 0; | ||
87 | |||
88 | for (i = 0; i < ADF_DH895XCC_MAX_ACCELERATORS; i++) { | ||
89 | if (self->accel_mask & (1 << i)) | ||
90 | ctr++; | ||
91 | } | ||
92 | return ctr; | ||
93 | } | ||
94 | |||
95 | static uint32_t get_num_aes(struct adf_hw_device_data *self) | ||
96 | { | ||
97 | uint32_t i, ctr = 0; | ||
98 | |||
99 | if (!self || !self->ae_mask) | ||
100 | return 0; | ||
101 | |||
102 | for (i = 0; i < ADF_DH895XCC_MAX_ACCELENGINES; i++) { | ||
103 | if (self->ae_mask & (1 << i)) | ||
104 | ctr++; | ||
105 | } | ||
106 | return ctr; | ||
107 | } | ||
108 | |||
109 | static uint32_t get_misc_bar_id(struct adf_hw_device_data *self) | ||
110 | { | ||
111 | return ADF_DH895XCC_PMISC_BAR; | ||
112 | } | ||
113 | |||
114 | static uint32_t get_etr_bar_id(struct adf_hw_device_data *self) | ||
115 | { | ||
116 | return ADF_DH895XCC_ETR_BAR; | ||
117 | } | ||
118 | |||
119 | static enum dev_sku_info get_sku(struct adf_hw_device_data *self) | ||
120 | { | ||
121 | int sku = (self->fuses & ADF_DH895XCC_FUSECTL_SKU_MASK) | ||
122 | >> ADF_DH895XCC_FUSECTL_SKU_SHIFT; | ||
123 | |||
124 | switch (sku) { | ||
125 | case ADF_DH895XCC_FUSECTL_SKU_1: | ||
126 | return DEV_SKU_1; | ||
127 | case ADF_DH895XCC_FUSECTL_SKU_2: | ||
128 | return DEV_SKU_2; | ||
129 | case ADF_DH895XCC_FUSECTL_SKU_3: | ||
130 | return DEV_SKU_3; | ||
131 | case ADF_DH895XCC_FUSECTL_SKU_4: | ||
132 | return DEV_SKU_4; | ||
133 | default: | ||
134 | return DEV_SKU_UNKNOWN; | ||
135 | } | ||
136 | return DEV_SKU_UNKNOWN; | ||
137 | } | ||
138 | |||
139 | void adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev, | ||
140 | uint32_t const **arb_map_config) | ||
141 | { | ||
142 | switch (accel_dev->accel_pci_dev.sku) { | ||
143 | case DEV_SKU_1: | ||
144 | *arb_map_config = thrd_to_arb_map_sku4; | ||
145 | break; | ||
146 | |||
147 | case DEV_SKU_2: | ||
148 | case DEV_SKU_4: | ||
149 | *arb_map_config = thrd_to_arb_map_sku6; | ||
150 | break; | ||
151 | default: | ||
152 | pr_err("QAT: The configuration doesn't match any SKU"); | ||
153 | *arb_map_config = NULL; | ||
154 | } | ||
155 | } | ||
156 | |||
157 | static void adf_enable_error_correction(struct adf_accel_dev *accel_dev) | ||
158 | { | ||
159 | struct adf_hw_device_data *hw_device = accel_dev->hw_device; | ||
160 | struct adf_bar *misc_bar = &GET_BARS(accel_dev)[ADF_DH895XCC_PMISC_BAR]; | ||
161 | void __iomem *csr = misc_bar->virt_addr; | ||
162 | unsigned int val, i; | ||
163 | |||
164 | /* Enable Accel Engine error detection & correction */ | ||
165 | for (i = 0; i < hw_device->get_num_aes(hw_device); i++) { | ||
166 | val = ADF_CSR_RD(csr, ADF_DH895XCC_AE_CTX_ENABLES(i)); | ||
167 | val |= ADF_DH895XCC_ENABLE_AE_ECC_ERR; | ||
168 | ADF_CSR_WR(csr, ADF_DH895XCC_AE_CTX_ENABLES(i), val); | ||
169 | val = ADF_CSR_RD(csr, ADF_DH895XCC_AE_MISC_CONTROL(i)); | ||
170 | val |= ADF_DH895XCC_ENABLE_AE_ECC_PARITY_CORR; | ||
171 | ADF_CSR_WR(csr, ADF_DH895XCC_AE_MISC_CONTROL(i), val); | ||
172 | } | ||
173 | |||
174 | /* Enable shared memory error detection & correction */ | ||
175 | for (i = 0; i < hw_device->get_num_accels(hw_device); i++) { | ||
176 | val = ADF_CSR_RD(csr, ADF_DH895XCC_UERRSSMSH(i)); | ||
177 | val |= ADF_DH895XCC_ERRSSMSH_EN; | ||
178 | ADF_CSR_WR(csr, ADF_DH895XCC_UERRSSMSH(i), val); | ||
179 | val = ADF_CSR_RD(csr, ADF_DH895XCC_CERRSSMSH(i)); | ||
180 | val |= ADF_DH895XCC_ERRSSMSH_EN; | ||
181 | ADF_CSR_WR(csr, ADF_DH895XCC_CERRSSMSH(i), val); | ||
182 | } | ||
183 | } | ||
184 | |||
185 | void adf_init_hw_data_dh895xcc(struct adf_hw_device_data *hw_data) | ||
186 | { | ||
187 | hw_data->dev_class = &dh895xcc_class; | ||
188 | hw_data->instance_id = dh895xcc_class.instances++; | ||
189 | hw_data->num_banks = ADF_DH895XCC_ETR_MAX_BANKS; | ||
190 | hw_data->num_accel = ADF_DH895XCC_MAX_ACCELERATORS; | ||
191 | hw_data->pci_dev_id = ADF_DH895XCC_PCI_DEVICE_ID; | ||
192 | hw_data->num_logical_accel = 1; | ||
193 | hw_data->num_engines = ADF_DH895XCC_MAX_ACCELENGINES; | ||
194 | hw_data->tx_rx_gap = ADF_DH895XCC_RX_RINGS_OFFSET; | ||
195 | hw_data->tx_rings_mask = ADF_DH895XCC_TX_RINGS_MASK; | ||
196 | hw_data->alloc_irq = adf_isr_resource_alloc; | ||
197 | hw_data->free_irq = adf_isr_resource_free; | ||
198 | hw_data->enable_error_correction = adf_enable_error_correction; | ||
199 | hw_data->hw_arb_ring_enable = adf_update_ring_arb_enable; | ||
200 | hw_data->hw_arb_ring_disable = adf_update_ring_arb_enable; | ||
201 | hw_data->get_accel_mask = get_accel_mask; | ||
202 | hw_data->get_ae_mask = get_ae_mask; | ||
203 | hw_data->get_num_accels = get_num_accels; | ||
204 | hw_data->get_num_aes = get_num_aes; | ||
205 | hw_data->get_etr_bar_id = get_etr_bar_id; | ||
206 | hw_data->get_misc_bar_id = get_misc_bar_id; | ||
207 | hw_data->get_sku = get_sku; | ||
208 | hw_data->fw_name = ADF_DH895XCC_FW; | ||
209 | } | ||
210 | |||
211 | void adf_clean_hw_data_dh895xcc(struct adf_hw_device_data *hw_data) | ||
212 | { | ||
213 | hw_data->dev_class->instances--; | ||
214 | } | ||
diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.h b/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.h new file mode 100644 index 000000000000..c5ce236aa979 --- /dev/null +++ b/drivers/crypto/qat/qat_dh895xcc/adf_dh895xcc_hw_data.h | |||
@@ -0,0 +1,86 @@ | |||
1 | /* | ||
2 | This file is provided under a dual BSD/GPLv2 license. When using or | ||
3 | redistributing this file, you may do so under either license. | ||
4 | |||
5 | GPL LICENSE SUMMARY | ||
6 | Copyright(c) 2014 Intel Corporation. | ||
7 | This program is free software; you can redistribute it and/or modify | ||
8 | it under the terms of version 2 of the GNU General Public License as | ||
9 | published by the Free Software Foundation. | ||
10 | |||
11 | This program is distributed in the hope that it will be useful, but | ||
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
14 | General Public License for more details. | ||
15 | |||
16 | Contact Information: | ||
17 | qat-linux@intel.com | ||
18 | |||
19 | BSD LICENSE | ||
20 | Copyright(c) 2014 Intel Corporation. | ||
21 | Redistribution and use in source and binary forms, with or without | ||
22 | modification, are permitted provided that the following conditions | ||
23 | are met: | ||
24 | |||
25 | * Redistributions of source code must retain the above copyright | ||
26 | notice, this list of conditions and the following disclaimer. | ||
27 | * Redistributions in binary form must reproduce the above copyright | ||
28 | notice, this list of conditions and the following disclaimer in | ||
29 | the documentation and/or other materials provided with the | ||
30 | distribution. | ||
31 | * Neither the name of Intel Corporation nor the names of its | ||
32 | contributors may be used to endorse or promote products derived | ||
33 | from this software without specific prior written permission. | ||
34 | |||
35 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
36 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
37 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
38 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
39 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
40 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
41 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
42 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
43 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
44 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
45 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
46 | */ | ||
47 | #ifndef ADF_DH895x_HW_DATA_H_ | ||
48 | #define ADF_DH895x_HW_DATA_H_ | ||
49 | |||
50 | /* PCIe configuration space */ | ||
51 | #define ADF_DH895XCC_RX_RINGS_OFFSET 8 | ||
52 | #define ADF_DH895XCC_TX_RINGS_MASK 0xFF | ||
53 | #define ADF_DH895XCC_FUSECTL_OFFSET 0x40 | ||
54 | #define ADF_DH895XCC_FUSECTL_SKU_MASK 0x300000 | ||
55 | #define ADF_DH895XCC_FUSECTL_SKU_SHIFT 20 | ||
56 | #define ADF_DH895XCC_FUSECTL_SKU_1 0x0 | ||
57 | #define ADF_DH895XCC_FUSECTL_SKU_2 0x1 | ||
58 | #define ADF_DH895XCC_FUSECTL_SKU_3 0x2 | ||
59 | #define ADF_DH895XCC_FUSECTL_SKU_4 0x3 | ||
60 | #define ADF_DH895XCC_MAX_ACCELERATORS 6 | ||
61 | #define ADF_DH895XCC_MAX_ACCELENGINES 12 | ||
62 | #define ADF_DH895XCC_ACCELERATORS_REG_OFFSET 18 | ||
63 | #define ADF_DH895XCC_ACCELERATORS_MASK 0x3F | ||
64 | #define ADF_DH895XCC_ACCELENGINES_MASK 0xFFF | ||
65 | #define ADF_DH895XCC_LEGFUSE_OFFSET 0x4C | ||
66 | #define ADF_DH895XCC_ETR_MAX_BANKS 32 | ||
67 | #define ADF_DH895XCC_SMIAPF0_MASK_OFFSET (0x3A000 + 0x28) | ||
68 | #define ADF_DH895XCC_SMIAPF1_MASK_OFFSET (0x3A000 + 0x30) | ||
69 | #define ADF_DH895XCC_SMIA0_MASK 0xFFFF | ||
70 | #define ADF_DH895XCC_SMIA1_MASK 0x1 | ||
71 | /* Error detection and correction */ | ||
72 | #define ADF_DH895XCC_AE_CTX_ENABLES(i) (i * 0x1000 + 0x20818) | ||
73 | #define ADF_DH895XCC_AE_MISC_CONTROL(i) (i * 0x1000 + 0x20960) | ||
74 | #define ADF_DH895XCC_ENABLE_AE_ECC_ERR (1 << 28) | ||
75 | #define ADF_DH895XCC_ENABLE_AE_ECC_PARITY_CORR (1 << 24 | 1 << 12) | ||
76 | #define ADF_DH895XCC_UERRSSMSH(i) (i * 0x4000 + 0x18) | ||
77 | #define ADF_DH895XCC_CERRSSMSH(i) (i * 0x4000 + 0x10) | ||
78 | #define ADF_DH895XCC_ERRSSMSH_EN (1 << 3) | ||
79 | |||
80 | /* Admin Messages Registers */ | ||
81 | #define ADF_DH895XCC_ADMINMSGUR_OFFSET (0x3A000 + 0x574) | ||
82 | #define ADF_DH895XCC_ADMINMSGLR_OFFSET (0x3A000 + 0x578) | ||
83 | #define ADF_DH895XCC_MAILBOX_BASE_OFFSET 0x20970 | ||
84 | #define ADF_DH895XCC_MAILBOX_STRIDE 0x1000 | ||
85 | #define ADF_DH895XCC_FW "qat_895xcc.bin" | ||
86 | #endif | ||
diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_drv.c b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c new file mode 100644 index 000000000000..1da2f78b2058 --- /dev/null +++ b/drivers/crypto/qat/qat_dh895xcc/adf_drv.c | |||
@@ -0,0 +1,448 @@ | |||
1 | /* | ||
2 | This file is provided under a dual BSD/GPLv2 license. When using or | ||
3 | redistributing this file, you may do so under either license. | ||
4 | |||
5 | GPL LICENSE SUMMARY | ||
6 | Copyright(c) 2014 Intel Corporation. | ||
7 | This program is free software; you can redistribute it and/or modify | ||
8 | it under the terms of version 2 of the GNU General Public License as | ||
9 | published by the Free Software Foundation. | ||
10 | |||
11 | This program is distributed in the hope that it will be useful, but | ||
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
14 | General Public License for more details. | ||
15 | |||
16 | Contact Information: | ||
17 | qat-linux@intel.com | ||
18 | |||
19 | BSD LICENSE | ||
20 | Copyright(c) 2014 Intel Corporation. | ||
21 | Redistribution and use in source and binary forms, with or without | ||
22 | modification, are permitted provided that the following conditions | ||
23 | are met: | ||
24 | |||
25 | * Redistributions of source code must retain the above copyright | ||
26 | notice, this list of conditions and the following disclaimer. | ||
27 | * Redistributions in binary form must reproduce the above copyright | ||
28 | notice, this list of conditions and the following disclaimer in | ||
29 | the documentation and/or other materials provided with the | ||
30 | distribution. | ||
31 | * Neither the name of Intel Corporation nor the names of its | ||
32 | contributors may be used to endorse or promote products derived | ||
33 | from this software without specific prior written permission. | ||
34 | |||
35 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
36 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
37 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
38 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
39 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
40 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
41 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
42 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
43 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
44 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
45 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
46 | */ | ||
47 | #include <linux/kernel.h> | ||
48 | #include <linux/module.h> | ||
49 | #include <linux/pci.h> | ||
50 | #include <linux/init.h> | ||
51 | #include <linux/types.h> | ||
52 | #include <linux/fs.h> | ||
53 | #include <linux/slab.h> | ||
54 | #include <linux/errno.h> | ||
55 | #include <linux/device.h> | ||
56 | #include <linux/dma-mapping.h> | ||
57 | #include <linux/platform_device.h> | ||
58 | #include <linux/workqueue.h> | ||
59 | #include <linux/io.h> | ||
60 | #include <adf_accel_devices.h> | ||
61 | #include <adf_common_drv.h> | ||
62 | #include <adf_cfg.h> | ||
63 | #include <adf_transport_access_macros.h> | ||
64 | #include "adf_dh895xcc_hw_data.h" | ||
65 | #include "adf_drv.h" | ||
66 | |||
67 | static const char adf_driver_name[] = ADF_DH895XCC_DEVICE_NAME; | ||
68 | |||
69 | #define ADF_SYSTEM_DEVICE(device_id) \ | ||
70 | {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)} | ||
71 | |||
72 | static const struct pci_device_id adf_pci_tbl[] = { | ||
73 | ADF_SYSTEM_DEVICE(ADF_DH895XCC_PCI_DEVICE_ID), | ||
74 | {0,} | ||
75 | }; | ||
76 | MODULE_DEVICE_TABLE(pci, adf_pci_tbl); | ||
77 | |||
78 | static int adf_probe(struct pci_dev *dev, const struct pci_device_id *ent); | ||
79 | static void adf_remove(struct pci_dev *dev); | ||
80 | |||
81 | static struct pci_driver adf_driver = { | ||
82 | .id_table = adf_pci_tbl, | ||
83 | .name = adf_driver_name, | ||
84 | .probe = adf_probe, | ||
85 | .remove = adf_remove | ||
86 | }; | ||
87 | |||
88 | static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) | ||
89 | { | ||
90 | struct adf_accel_pci *accel_pci_dev = &accel_dev->accel_pci_dev; | ||
91 | int i; | ||
92 | |||
93 | adf_exit_admin_comms(accel_dev); | ||
94 | adf_exit_arb(accel_dev); | ||
95 | adf_cleanup_etr_data(accel_dev); | ||
96 | |||
97 | for (i = 0; i < ADF_PCI_MAX_BARS; i++) { | ||
98 | struct adf_bar *bar = &accel_pci_dev->pci_bars[i]; | ||
99 | |||
100 | if (bar->virt_addr) | ||
101 | pci_iounmap(accel_pci_dev->pci_dev, bar->virt_addr); | ||
102 | } | ||
103 | |||
104 | if (accel_dev->hw_device) { | ||
105 | switch (accel_dev->hw_device->pci_dev_id) { | ||
106 | case ADF_DH895XCC_PCI_DEVICE_ID: | ||
107 | adf_clean_hw_data_dh895xcc(accel_dev->hw_device); | ||
108 | break; | ||
109 | default: | ||
110 | break; | ||
111 | } | ||
112 | kfree(accel_dev->hw_device); | ||
113 | } | ||
114 | adf_cfg_dev_remove(accel_dev); | ||
115 | debugfs_remove(accel_dev->debugfs_dir); | ||
116 | adf_devmgr_rm_dev(accel_dev); | ||
117 | pci_release_regions(accel_pci_dev->pci_dev); | ||
118 | pci_disable_device(accel_pci_dev->pci_dev); | ||
119 | kfree(accel_dev); | ||
120 | } | ||
121 | |||
122 | static uint8_t adf_get_dev_node_id(struct pci_dev *pdev) | ||
123 | { | ||
124 | unsigned int bus_per_cpu = 0; | ||
125 | struct cpuinfo_x86 *c = &cpu_data(num_online_cpus() - 1); | ||
126 | |||
127 | if (!c->phys_proc_id) | ||
128 | return 0; | ||
129 | |||
130 | bus_per_cpu = 256 / (c->phys_proc_id + 1); | ||
131 | |||
132 | if (bus_per_cpu != 0) | ||
133 | return pdev->bus->number / bus_per_cpu; | ||
134 | return 0; | ||
135 | } | ||
136 | |||
137 | static int qat_dev_start(struct adf_accel_dev *accel_dev) | ||
138 | { | ||
139 | int cpus = num_online_cpus(); | ||
140 | int banks = GET_MAX_BANKS(accel_dev); | ||
141 | int instances = min(cpus, banks); | ||
142 | char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES]; | ||
143 | int i; | ||
144 | unsigned long val; | ||
145 | |||
146 | if (adf_cfg_section_add(accel_dev, ADF_KERNEL_SEC)) | ||
147 | goto err; | ||
148 | if (adf_cfg_section_add(accel_dev, "Accelerator0")) | ||
149 | goto err; | ||
150 | for (i = 0; i < instances; i++) { | ||
151 | val = i; | ||
152 | snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_BANK_NUM, i); | ||
153 | if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, | ||
154 | key, (void *)&val, ADF_DEC)) | ||
155 | goto err; | ||
156 | |||
157 | snprintf(key, sizeof(key), ADF_CY "%d" ADF_ETRMGR_CORE_AFFINITY, | ||
158 | i); | ||
159 | if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, | ||
160 | key, (void *)&val, ADF_DEC)) | ||
161 | goto err; | ||
162 | |||
163 | snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_SIZE, i); | ||
164 | val = 128; | ||
165 | if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, | ||
166 | key, (void *)&val, ADF_DEC)) | ||
167 | goto err; | ||
168 | |||
169 | val = 512; | ||
170 | snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_SIZE, i); | ||
171 | if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, | ||
172 | key, (void *)&val, ADF_DEC)) | ||
173 | goto err; | ||
174 | |||
175 | val = 0; | ||
176 | snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_TX, i); | ||
177 | if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, | ||
178 | key, (void *)&val, ADF_DEC)) | ||
179 | goto err; | ||
180 | |||
181 | val = 2; | ||
182 | snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_TX, i); | ||
183 | if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, | ||
184 | key, (void *)&val, ADF_DEC)) | ||
185 | goto err; | ||
186 | |||
187 | val = 4; | ||
188 | snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_RND_TX, i); | ||
189 | if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, | ||
190 | key, (void *)&val, ADF_DEC)) | ||
191 | goto err; | ||
192 | |||
193 | val = 8; | ||
194 | snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_RX, i); | ||
195 | if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, | ||
196 | key, (void *)&val, ADF_DEC)) | ||
197 | goto err; | ||
198 | |||
199 | val = 10; | ||
200 | snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_RX, i); | ||
201 | if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, | ||
202 | key, (void *)&val, ADF_DEC)) | ||
203 | goto err; | ||
204 | |||
205 | val = 12; | ||
206 | snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_RND_RX, i); | ||
207 | if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, | ||
208 | key, (void *)&val, ADF_DEC)) | ||
209 | goto err; | ||
210 | |||
211 | val = ADF_COALESCING_DEF_TIME; | ||
212 | snprintf(key, sizeof(key), ADF_ETRMGR_COALESCE_TIMER_FORMAT, i); | ||
213 | if (adf_cfg_add_key_value_param(accel_dev, "Accelerator0", | ||
214 | key, (void *)&val, ADF_DEC)) | ||
215 | goto err; | ||
216 | } | ||
217 | |||
218 | val = i; | ||
219 | if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, | ||
220 | ADF_NUM_CY, (void *)&val, ADF_DEC)) | ||
221 | goto err; | ||
222 | |||
223 | set_bit(ADF_STATUS_CONFIGURED, &accel_dev->status); | ||
224 | return adf_dev_start(accel_dev); | ||
225 | err: | ||
226 | dev_err(&GET_DEV(accel_dev), "Failed to start QAT accel dev\n"); | ||
227 | return -EINVAL; | ||
228 | } | ||
229 | |||
230 | static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | ||
231 | { | ||
232 | struct adf_accel_dev *accel_dev; | ||
233 | struct adf_accel_pci *accel_pci_dev; | ||
234 | struct adf_hw_device_data *hw_data; | ||
235 | void __iomem *pmisc_bar_addr = NULL; | ||
236 | char name[ADF_DEVICE_NAME_LENGTH]; | ||
237 | unsigned int i, bar_nr; | ||
238 | uint8_t node; | ||
239 | int ret; | ||
240 | |||
241 | switch (ent->device) { | ||
242 | case ADF_DH895XCC_PCI_DEVICE_ID: | ||
243 | break; | ||
244 | default: | ||
245 | dev_err(&pdev->dev, "Invalid device 0x%x.\n", ent->device); | ||
246 | return -ENODEV; | ||
247 | } | ||
248 | |||
249 | node = adf_get_dev_node_id(pdev); | ||
250 | accel_dev = kzalloc_node(sizeof(*accel_dev), GFP_KERNEL, node); | ||
251 | if (!accel_dev) | ||
252 | return -ENOMEM; | ||
253 | |||
254 | accel_dev->numa_node = node; | ||
255 | INIT_LIST_HEAD(&accel_dev->crypto_list); | ||
256 | |||
257 | /* Add accel device to accel table. | ||
258 | * This should be called before adf_cleanup_accel is called */ | ||
259 | if (adf_devmgr_add_dev(accel_dev)) { | ||
260 | dev_err(&pdev->dev, "Failed to add new accelerator device.\n"); | ||
261 | kfree(accel_dev); | ||
262 | return -EFAULT; | ||
263 | } | ||
264 | |||
265 | accel_dev->owner = THIS_MODULE; | ||
266 | /* Allocate and configure device configuration structure */ | ||
267 | hw_data = kzalloc_node(sizeof(*hw_data), GFP_KERNEL, node); | ||
268 | if (!hw_data) { | ||
269 | ret = -ENOMEM; | ||
270 | goto out_err; | ||
271 | } | ||
272 | |||
273 | accel_dev->hw_device = hw_data; | ||
274 | switch (ent->device) { | ||
275 | case ADF_DH895XCC_PCI_DEVICE_ID: | ||
276 | adf_init_hw_data_dh895xcc(accel_dev->hw_device); | ||
277 | break; | ||
278 | default: | ||
279 | return -ENODEV; | ||
280 | } | ||
281 | accel_pci_dev = &accel_dev->accel_pci_dev; | ||
282 | pci_read_config_byte(pdev, PCI_REVISION_ID, &accel_pci_dev->revid); | ||
283 | pci_read_config_dword(pdev, ADF_DH895XCC_FUSECTL_OFFSET, | ||
284 | &hw_data->fuses); | ||
285 | |||
286 | /* Get Accelerators and Accelerators Engines masks */ | ||
287 | hw_data->accel_mask = hw_data->get_accel_mask(hw_data->fuses); | ||
288 | hw_data->ae_mask = hw_data->get_ae_mask(hw_data->fuses); | ||
289 | accel_pci_dev->sku = hw_data->get_sku(hw_data); | ||
290 | accel_pci_dev->pci_dev = pdev; | ||
291 | /* If the device has no acceleration engines then ignore it. */ | ||
292 | if (!hw_data->accel_mask || !hw_data->ae_mask || | ||
293 | ((~hw_data->ae_mask) & 0x01)) { | ||
294 | dev_err(&pdev->dev, "No acceleration units found"); | ||
295 | ret = -EFAULT; | ||
296 | goto out_err; | ||
297 | } | ||
298 | |||
299 | /* Create dev top level debugfs entry */ | ||
300 | snprintf(name, sizeof(name), "%s%s_dev%d", ADF_DEVICE_NAME_PREFIX, | ||
301 | hw_data->dev_class->name, hw_data->instance_id); | ||
302 | accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); | ||
303 | if (!accel_dev->debugfs_dir) { | ||
304 | dev_err(&pdev->dev, "Could not create debugfs dir\n"); | ||
305 | ret = -EINVAL; | ||
306 | goto out_err; | ||
307 | } | ||
308 | |||
309 | /* Create device configuration table */ | ||
310 | ret = adf_cfg_dev_add(accel_dev); | ||
311 | if (ret) | ||
312 | goto out_err; | ||
313 | |||
314 | /* enable PCI device */ | ||
315 | if (pci_enable_device(pdev)) { | ||
316 | ret = -EFAULT; | ||
317 | goto out_err; | ||
318 | } | ||
319 | |||
320 | /* set dma identifier */ | ||
321 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { | ||
322 | if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))) { | ||
323 | dev_err(&pdev->dev, "No usable DMA configuration\n"); | ||
324 | ret = -EFAULT; | ||
325 | goto out_err; | ||
326 | } else { | ||
327 | pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); | ||
328 | } | ||
329 | |||
330 | } else { | ||
331 | pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); | ||
332 | } | ||
333 | |||
334 | if (pci_request_regions(pdev, adf_driver_name)) { | ||
335 | ret = -EFAULT; | ||
336 | goto out_err; | ||
337 | } | ||
338 | |||
339 | /* Read accelerator capabilities mask */ | ||
340 | pci_read_config_dword(pdev, ADF_DH895XCC_LEGFUSE_OFFSET, | ||
341 | &hw_data->accel_capabilities_mask); | ||
342 | |||
343 | /* Find and map all the device's BARS */ | ||
344 | for (i = 0; i < ADF_PCI_MAX_BARS; i++) { | ||
345 | struct adf_bar *bar = &accel_pci_dev->pci_bars[i]; | ||
346 | |||
347 | bar_nr = i * 2; | ||
348 | bar->base_addr = pci_resource_start(pdev, bar_nr); | ||
349 | if (!bar->base_addr) | ||
350 | break; | ||
351 | bar->size = pci_resource_len(pdev, bar_nr); | ||
352 | bar->virt_addr = pci_iomap(accel_pci_dev->pci_dev, bar_nr, 0); | ||
353 | if (!bar->virt_addr) { | ||
354 | dev_err(&pdev->dev, "Failed to map BAR %d\n", i); | ||
355 | ret = -EFAULT; | ||
356 | goto out_err; | ||
357 | } | ||
358 | if (i == ADF_DH895XCC_PMISC_BAR) | ||
359 | pmisc_bar_addr = bar->virt_addr; | ||
360 | } | ||
361 | pci_set_master(pdev); | ||
362 | |||
363 | if (adf_enable_aer(accel_dev, &adf_driver)) { | ||
364 | dev_err(&pdev->dev, "Failed to enable aer\n"); | ||
365 | ret = -EFAULT; | ||
366 | goto out_err; | ||
367 | } | ||
368 | |||
369 | if (adf_init_etr_data(accel_dev)) { | ||
370 | dev_err(&pdev->dev, "Failed initialize etr\n"); | ||
371 | ret = -EFAULT; | ||
372 | goto out_err; | ||
373 | } | ||
374 | |||
375 | if (adf_init_admin_comms(accel_dev)) { | ||
376 | dev_err(&pdev->dev, "Failed initialize admin comms\n"); | ||
377 | ret = -EFAULT; | ||
378 | goto out_err; | ||
379 | } | ||
380 | |||
381 | if (adf_init_arb(accel_dev)) { | ||
382 | dev_err(&pdev->dev, "Failed initialize hw arbiter\n"); | ||
383 | ret = -EFAULT; | ||
384 | goto out_err; | ||
385 | } | ||
386 | if (pci_save_state(pdev)) { | ||
387 | dev_err(&pdev->dev, "Failed to save pci state\n"); | ||
388 | ret = -ENOMEM; | ||
389 | goto out_err; | ||
390 | } | ||
391 | |||
392 | /* Enable bundle and misc interrupts */ | ||
393 | ADF_CSR_WR(pmisc_bar_addr, ADF_DH895XCC_SMIAPF0_MASK_OFFSET, | ||
394 | ADF_DH895XCC_SMIA0_MASK); | ||
395 | ADF_CSR_WR(pmisc_bar_addr, ADF_DH895XCC_SMIAPF1_MASK_OFFSET, | ||
396 | ADF_DH895XCC_SMIA1_MASK); | ||
397 | |||
398 | ret = qat_dev_start(accel_dev); | ||
399 | if (ret) { | ||
400 | adf_dev_stop(accel_dev); | ||
401 | goto out_err; | ||
402 | } | ||
403 | |||
404 | return 0; | ||
405 | out_err: | ||
406 | adf_cleanup_accel(accel_dev); | ||
407 | return ret; | ||
408 | } | ||
409 | |||
410 | static void __exit adf_remove(struct pci_dev *pdev) | ||
411 | { | ||
412 | struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev); | ||
413 | |||
414 | if (!accel_dev) { | ||
415 | pr_err("QAT: Driver removal failed\n"); | ||
416 | return; | ||
417 | } | ||
418 | if (adf_dev_stop(accel_dev)) | ||
419 | dev_err(&GET_DEV(accel_dev), "Failed to stop QAT accel dev\n"); | ||
420 | adf_disable_aer(accel_dev); | ||
421 | adf_cleanup_accel(accel_dev); | ||
422 | } | ||
423 | |||
424 | static int __init adfdrv_init(void) | ||
425 | { | ||
426 | request_module("intel_qat"); | ||
427 | if (qat_admin_register()) | ||
428 | return -EFAULT; | ||
429 | |||
430 | if (pci_register_driver(&adf_driver)) { | ||
431 | pr_err("QAT: Driver initialization failed\n"); | ||
432 | return -EFAULT; | ||
433 | } | ||
434 | return 0; | ||
435 | } | ||
436 | |||
437 | static void __exit adfdrv_release(void) | ||
438 | { | ||
439 | pci_unregister_driver(&adf_driver); | ||
440 | qat_admin_unregister(); | ||
441 | } | ||
442 | |||
443 | module_init(adfdrv_init); | ||
444 | module_exit(adfdrv_release); | ||
445 | |||
446 | MODULE_LICENSE("Dual BSD/GPL"); | ||
447 | MODULE_AUTHOR("Intel"); | ||
448 | MODULE_DESCRIPTION("Intel(R) QuickAssist Technology"); | ||
diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_drv.h b/drivers/crypto/qat/qat_dh895xcc/adf_drv.h new file mode 100644 index 000000000000..a2fbb6ce75cd --- /dev/null +++ b/drivers/crypto/qat/qat_dh895xcc/adf_drv.h | |||
@@ -0,0 +1,67 @@ | |||
1 | /* | ||
2 | This file is provided under a dual BSD/GPLv2 license. When using or | ||
3 | redistributing this file, you may do so under either license. | ||
4 | |||
5 | GPL LICENSE SUMMARY | ||
6 | Copyright(c) 2014 Intel Corporation. | ||
7 | This program is free software; you can redistribute it and/or modify | ||
8 | it under the terms of version 2 of the GNU General Public License as | ||
9 | published by the Free Software Foundation. | ||
10 | |||
11 | This program is distributed in the hope that it will be useful, but | ||
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
14 | General Public License for more details. | ||
15 | |||
16 | Contact Information: | ||
17 | qat-linux@intel.com | ||
18 | |||
19 | BSD LICENSE | ||
20 | Copyright(c) 2014 Intel Corporation. | ||
21 | Redistribution and use in source and binary forms, with or without | ||
22 | modification, are permitted provided that the following conditions | ||
23 | are met: | ||
24 | |||
25 | * Redistributions of source code must retain the above copyright | ||
26 | notice, this list of conditions and the following disclaimer. | ||
27 | * Redistributions in binary form must reproduce the above copyright | ||
28 | notice, this list of conditions and the following disclaimer in | ||
29 | the documentation and/or other materials provided with the | ||
30 | distribution. | ||
31 | * Neither the name of Intel Corporation nor the names of its | ||
32 | contributors may be used to endorse or promote products derived | ||
33 | from this software without specific prior written permission. | ||
34 | |||
35 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
36 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
37 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
38 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
39 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
40 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
41 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
42 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
43 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
44 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
45 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
46 | */ | ||
47 | #ifndef ADF_DH895x_DRV_H_ | ||
48 | #define ADF_DH895x_DRV_H_ | ||
49 | #include <adf_accel_devices.h> | ||
50 | #include <adf_transport.h> | ||
51 | |||
52 | void adf_init_hw_data_dh895xcc(struct adf_hw_device_data *hw_data); | ||
53 | void adf_clean_hw_data_dh895xcc(struct adf_hw_device_data *hw_data); | ||
54 | int adf_isr_resource_alloc(struct adf_accel_dev *accel_dev); | ||
55 | void adf_isr_resource_free(struct adf_accel_dev *accel_dev); | ||
56 | void adf_update_ring_arb_enable(struct adf_etr_ring_data *ring); | ||
57 | void adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev, | ||
58 | uint32_t const **arb_map_config); | ||
59 | int adf_init_admin_comms(struct adf_accel_dev *accel_dev); | ||
60 | void adf_exit_admin_comms(struct adf_accel_dev *accel_dev); | ||
61 | int adf_put_admin_msg_sync(struct adf_accel_dev *accel_dev, | ||
62 | uint32_t ae, void *in, void *out); | ||
63 | int qat_admin_register(void); | ||
64 | int qat_admin_unregister(void); | ||
65 | int adf_init_arb(struct adf_accel_dev *accel_dev); | ||
66 | void adf_exit_arb(struct adf_accel_dev *accel_dev); | ||
67 | #endif | ||
diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_hw_arbiter.c b/drivers/crypto/qat/qat_dh895xcc/adf_hw_arbiter.c new file mode 100644 index 000000000000..36ffa70211c9 --- /dev/null +++ b/drivers/crypto/qat/qat_dh895xcc/adf_hw_arbiter.c | |||
@@ -0,0 +1,159 @@ | |||
1 | /* | ||
2 | This file is provided under a dual BSD/GPLv2 license. When using or | ||
3 | redistributing this file, you may do so under either license. | ||
4 | |||
5 | GPL LICENSE SUMMARY | ||
6 | Copyright(c) 2014 Intel Corporation. | ||
7 | This program is free software; you can redistribute it and/or modify | ||
8 | it under the terms of version 2 of the GNU General Public License as | ||
9 | published by the Free Software Foundation. | ||
10 | |||
11 | This program is distributed in the hope that it will be useful, but | ||
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
14 | General Public License for more details. | ||
15 | |||
16 | Contact Information: | ||
17 | qat-linux@intel.com | ||
18 | |||
19 | BSD LICENSE | ||
20 | Copyright(c) 2014 Intel Corporation. | ||
21 | Redistribution and use in source and binary forms, with or without | ||
22 | modification, are permitted provided that the following conditions | ||
23 | are met: | ||
24 | |||
25 | * Redistributions of source code must retain the above copyright | ||
26 | notice, this list of conditions and the following disclaimer. | ||
27 | * Redistributions in binary form must reproduce the above copyright | ||
28 | notice, this list of conditions and the following disclaimer in | ||
29 | the documentation and/or other materials provided with the | ||
30 | distribution. | ||
31 | * Neither the name of Intel Corporation nor the names of its | ||
32 | contributors may be used to endorse or promote products derived | ||
33 | from this software without specific prior written permission. | ||
34 | |||
35 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
36 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
37 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
38 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
39 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
40 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
41 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
42 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
43 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
44 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
45 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
46 | */ | ||
47 | #include <adf_accel_devices.h> | ||
48 | #include <adf_transport_internal.h> | ||
49 | #include "adf_drv.h" | ||
50 | |||
51 | #define ADF_ARB_NUM 4 | ||
52 | #define ADF_ARB_REQ_RING_NUM 8 | ||
53 | #define ADF_ARB_REG_SIZE 0x4 | ||
54 | #define ADF_ARB_WTR_SIZE 0x20 | ||
55 | #define ADF_ARB_OFFSET 0x30000 | ||
56 | #define ADF_ARB_REG_SLOT 0x1000 | ||
57 | #define ADF_ARB_WTR_OFFSET 0x010 | ||
58 | #define ADF_ARB_RO_EN_OFFSET 0x090 | ||
59 | #define ADF_ARB_WQCFG_OFFSET 0x100 | ||
60 | #define ADF_ARB_WRK_2_SER_MAP_OFFSET 0x180 | ||
61 | #define ADF_ARB_WRK_2_SER_MAP 10 | ||
62 | #define ADF_ARB_RINGSRVARBEN_OFFSET 0x19C | ||
63 | |||
64 | #define WRITE_CSR_ARB_RINGSRVARBEN(csr_addr, index, value) \ | ||
65 | ADF_CSR_WR(csr_addr, ADF_ARB_RINGSRVARBEN_OFFSET + \ | ||
66 | (ADF_ARB_REG_SLOT * index), value); | ||
67 | |||
68 | #define WRITE_CSR_ARB_RESPORDERING(csr_addr, index, value) \ | ||
69 | ADF_CSR_WR(csr_addr, (ADF_ARB_OFFSET + \ | ||
70 | ADF_ARB_RO_EN_OFFSET) + (ADF_ARB_REG_SIZE * index), value); | ||
71 | |||
72 | #define WRITE_CSR_ARB_WEIGHT(csr_addr, arb, index, value) \ | ||
73 | ADF_CSR_WR(csr_addr, (ADF_ARB_OFFSET + \ | ||
74 | ADF_ARB_WTR_OFFSET) + (ADF_ARB_WTR_SIZE * arb) + \ | ||
75 | (ADF_ARB_REG_SIZE * index), value); | ||
76 | |||
77 | #define WRITE_CSR_ARB_SARCONFIG(csr_addr, index, value) \ | ||
78 | ADF_CSR_WR(csr_addr, ADF_ARB_OFFSET + \ | ||
79 | (ADF_ARB_REG_SIZE * index), value); | ||
80 | |||
81 | #define WRITE_CSR_ARB_WRK_2_SER_MAP(csr_addr, index, value) \ | ||
82 | ADF_CSR_WR(csr_addr, (ADF_ARB_OFFSET + \ | ||
83 | ADF_ARB_WRK_2_SER_MAP_OFFSET) + \ | ||
84 | (ADF_ARB_REG_SIZE * index), value); | ||
85 | |||
86 | #define WRITE_CSR_ARB_WQCFG(csr_addr, index, value) \ | ||
87 | ADF_CSR_WR(csr_addr, (ADF_ARB_OFFSET + \ | ||
88 | ADF_ARB_WQCFG_OFFSET) + (ADF_ARB_REG_SIZE * index), value); | ||
89 | |||
90 | int adf_init_arb(struct adf_accel_dev *accel_dev) | ||
91 | { | ||
92 | void __iomem *csr = accel_dev->transport->banks[0].csr_addr; | ||
93 | uint32_t arb_cfg = 0x1 << 31 | 0x4 << 4 | 0x1; | ||
94 | uint32_t arb, i; | ||
95 | const uint32_t *thd_2_arb_cfg; | ||
96 | |||
97 | /* Service arb configured for 32 bytes responses and | ||
98 | * ring flow control check enabled. */ | ||
99 | for (arb = 0; arb < ADF_ARB_NUM; arb++) | ||
100 | WRITE_CSR_ARB_SARCONFIG(csr, arb, arb_cfg); | ||
101 | |||
102 | /* Setup service weighting */ | ||
103 | for (arb = 0; arb < ADF_ARB_NUM; arb++) | ||
104 | for (i = 0; i < ADF_ARB_REQ_RING_NUM; i++) | ||
105 | WRITE_CSR_ARB_WEIGHT(csr, arb, i, 0xFFFFFFFF); | ||
106 | |||
107 | /* Setup ring response ordering */ | ||
108 | for (i = 0; i < ADF_ARB_REQ_RING_NUM; i++) | ||
109 | WRITE_CSR_ARB_RESPORDERING(csr, i, 0xFFFFFFFF); | ||
110 | |||
111 | /* Setup worker queue registers */ | ||
112 | for (i = 0; i < ADF_ARB_WRK_2_SER_MAP; i++) | ||
113 | WRITE_CSR_ARB_WQCFG(csr, i, i); | ||
114 | |||
115 | /* Map worker threads to service arbiters */ | ||
116 | adf_get_arbiter_mapping(accel_dev, &thd_2_arb_cfg); | ||
117 | |||
118 | if (!thd_2_arb_cfg) | ||
119 | return -EFAULT; | ||
120 | |||
121 | for (i = 0; i < ADF_ARB_WRK_2_SER_MAP; i++) | ||
122 | WRITE_CSR_ARB_WRK_2_SER_MAP(csr, i, *(thd_2_arb_cfg + i)); | ||
123 | |||
124 | return 0; | ||
125 | } | ||
126 | |||
127 | void adf_update_ring_arb_enable(struct adf_etr_ring_data *ring) | ||
128 | { | ||
129 | WRITE_CSR_ARB_RINGSRVARBEN(ring->bank->csr_addr, | ||
130 | ring->bank->bank_number, | ||
131 | ring->bank->ring_mask & 0xFF); | ||
132 | } | ||
133 | |||
134 | void adf_exit_arb(struct adf_accel_dev *accel_dev) | ||
135 | { | ||
136 | void __iomem *csr; | ||
137 | unsigned int i; | ||
138 | |||
139 | if (!accel_dev->transport) | ||
140 | return; | ||
141 | |||
142 | csr = accel_dev->transport->banks[0].csr_addr; | ||
143 | |||
144 | /* Reset arbiter configuration */ | ||
145 | for (i = 0; i < ADF_ARB_NUM; i++) | ||
146 | WRITE_CSR_ARB_SARCONFIG(csr, i, 0); | ||
147 | |||
148 | /* Shutdown work queue */ | ||
149 | for (i = 0; i < ADF_ARB_WRK_2_SER_MAP; i++) | ||
150 | WRITE_CSR_ARB_WQCFG(csr, i, 0); | ||
151 | |||
152 | /* Unmap worker threads to service arbiters */ | ||
153 | for (i = 0; i < ADF_ARB_WRK_2_SER_MAP; i++) | ||
154 | WRITE_CSR_ARB_WRK_2_SER_MAP(csr, i, 0); | ||
155 | |||
156 | /* Disable arbitration on all rings */ | ||
157 | for (i = 0; i < GET_MAX_BANKS(accel_dev); i++) | ||
158 | WRITE_CSR_ARB_RINGSRVARBEN(csr, i, 0); | ||
159 | } | ||
diff --git a/drivers/crypto/qat/qat_dh895xcc/adf_isr.c b/drivers/crypto/qat/qat_dh895xcc/adf_isr.c new file mode 100644 index 000000000000..77e2d3a573f4 --- /dev/null +++ b/drivers/crypto/qat/qat_dh895xcc/adf_isr.c | |||
@@ -0,0 +1,266 @@ | |||
1 | /* | ||
2 | This file is provided under a dual BSD/GPLv2 license. When using or | ||
3 | redistributing this file, you may do so under either license. | ||
4 | |||
5 | GPL LICENSE SUMMARY | ||
6 | Copyright(c) 2014 Intel Corporation. | ||
7 | This program is free software; you can redistribute it and/or modify | ||
8 | it under the terms of version 2 of the GNU General Public License as | ||
9 | published by the Free Software Foundation. | ||
10 | |||
11 | This program is distributed in the hope that it will be useful, but | ||
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
14 | General Public License for more details. | ||
15 | |||
16 | Contact Information: | ||
17 | qat-linux@intel.com | ||
18 | |||
19 | BSD LICENSE | ||
20 | Copyright(c) 2014 Intel Corporation. | ||
21 | Redistribution and use in source and binary forms, with or without | ||
22 | modification, are permitted provided that the following conditions | ||
23 | are met: | ||
24 | |||
25 | * Redistributions of source code must retain the above copyright | ||
26 | notice, this list of conditions and the following disclaimer. | ||
27 | * Redistributions in binary form must reproduce the above copyright | ||
28 | notice, this list of conditions and the following disclaimer in | ||
29 | the documentation and/or other materials provided with the | ||
30 | distribution. | ||
31 | * Neither the name of Intel Corporation nor the names of its | ||
32 | contributors may be used to endorse or promote products derived | ||
33 | from this software without specific prior written permission. | ||
34 | |||
35 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
36 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
37 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
38 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
39 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
40 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
41 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
42 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
43 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
44 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
45 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
46 | */ | ||
47 | #include <linux/kernel.h> | ||
48 | #include <linux/init.h> | ||
49 | #include <linux/types.h> | ||
50 | #include <linux/pci.h> | ||
51 | #include <linux/slab.h> | ||
52 | #include <linux/errno.h> | ||
53 | #include <linux/interrupt.h> | ||
54 | #include <adf_accel_devices.h> | ||
55 | #include <adf_common_drv.h> | ||
56 | #include <adf_cfg.h> | ||
57 | #include <adf_cfg_strings.h> | ||
58 | #include <adf_cfg_common.h> | ||
59 | #include <adf_transport_access_macros.h> | ||
60 | #include <adf_transport_internal.h> | ||
61 | #include "adf_drv.h" | ||
62 | |||
63 | static int adf_enable_msix(struct adf_accel_dev *accel_dev) | ||
64 | { | ||
65 | struct adf_accel_pci *pci_dev_info = &accel_dev->accel_pci_dev; | ||
66 | struct adf_hw_device_data *hw_data = accel_dev->hw_device; | ||
67 | uint32_t msix_num_entries = hw_data->num_banks + 1; | ||
68 | int i; | ||
69 | |||
70 | for (i = 0; i < msix_num_entries; i++) | ||
71 | pci_dev_info->msix_entries.entries[i].entry = i; | ||
72 | |||
73 | if (pci_enable_msix(pci_dev_info->pci_dev, | ||
74 | pci_dev_info->msix_entries.entries, | ||
75 | msix_num_entries)) { | ||
76 | pr_err("QAT: Failed to enable MSIX IRQ\n"); | ||
77 | return -EFAULT; | ||
78 | } | ||
79 | return 0; | ||
80 | } | ||
81 | |||
82 | static void adf_disable_msix(struct adf_accel_pci *pci_dev_info) | ||
83 | { | ||
84 | pci_disable_msix(pci_dev_info->pci_dev); | ||
85 | } | ||
86 | |||
87 | static irqreturn_t adf_msix_isr_bundle(int irq, void *bank_ptr) | ||
88 | { | ||
89 | struct adf_etr_bank_data *bank = bank_ptr; | ||
90 | |||
91 | WRITE_CSR_INT_FLAG_AND_COL(bank->csr_addr, bank->bank_number, 0); | ||
92 | tasklet_hi_schedule(&bank->resp_hanlder); | ||
93 | return IRQ_HANDLED; | ||
94 | } | ||
95 | |||
96 | static irqreturn_t adf_msix_isr_ae(int irq, void *dev_ptr) | ||
97 | { | ||
98 | struct adf_accel_dev *accel_dev = dev_ptr; | ||
99 | |||
100 | pr_info("QAT: qat_dev%d spurious AE interrupt\n", accel_dev->accel_id); | ||
101 | return IRQ_HANDLED; | ||
102 | } | ||
103 | |||
104 | static int adf_request_irqs(struct adf_accel_dev *accel_dev) | ||
105 | { | ||
106 | struct adf_accel_pci *pci_dev_info = &accel_dev->accel_pci_dev; | ||
107 | struct adf_hw_device_data *hw_data = accel_dev->hw_device; | ||
108 | struct msix_entry *msixe = pci_dev_info->msix_entries.entries; | ||
109 | struct adf_etr_data *etr_data = accel_dev->transport; | ||
110 | int ret, i; | ||
111 | char *name; | ||
112 | |||
113 | /* Request msix irq for all banks */ | ||
114 | for (i = 0; i < hw_data->num_banks; i++) { | ||
115 | struct adf_etr_bank_data *bank = &etr_data->banks[i]; | ||
116 | unsigned int cpu, cpus = num_online_cpus(); | ||
117 | |||
118 | name = *(pci_dev_info->msix_entries.names + i); | ||
119 | snprintf(name, ADF_MAX_MSIX_VECTOR_NAME, | ||
120 | "qat%d-bundle%d", accel_dev->accel_id, i); | ||
121 | ret = request_irq(msixe[i].vector, | ||
122 | adf_msix_isr_bundle, 0, name, bank); | ||
123 | if (ret) { | ||
124 | pr_err("QAT: failed to enable irq %d for %s\n", | ||
125 | msixe[i].vector, name); | ||
126 | return ret; | ||
127 | } | ||
128 | |||
129 | cpu = ((accel_dev->accel_id * hw_data->num_banks) + i) % cpus; | ||
130 | irq_set_affinity_hint(msixe[i].vector, get_cpu_mask(cpu)); | ||
131 | } | ||
132 | |||
133 | /* Request msix irq for AE */ | ||
134 | name = *(pci_dev_info->msix_entries.names + i); | ||
135 | snprintf(name, ADF_MAX_MSIX_VECTOR_NAME, | ||
136 | "qat%d-ae-cluster", accel_dev->accel_id); | ||
137 | ret = request_irq(msixe[i].vector, adf_msix_isr_ae, 0, name, accel_dev); | ||
138 | if (ret) { | ||
139 | pr_err("QAT: failed to enable irq %d, for %s\n", | ||
140 | msixe[i].vector, name); | ||
141 | return ret; | ||
142 | } | ||
143 | return ret; | ||
144 | } | ||
145 | |||
146 | static void adf_free_irqs(struct adf_accel_dev *accel_dev) | ||
147 | { | ||
148 | struct adf_accel_pci *pci_dev_info = &accel_dev->accel_pci_dev; | ||
149 | struct adf_hw_device_data *hw_data = accel_dev->hw_device; | ||
150 | struct msix_entry *msixe = pci_dev_info->msix_entries.entries; | ||
151 | struct adf_etr_data *etr_data = accel_dev->transport; | ||
152 | int i; | ||
153 | |||
154 | for (i = 0; i < hw_data->num_banks; i++) { | ||
155 | irq_set_affinity_hint(msixe[i].vector, NULL); | ||
156 | free_irq(msixe[i].vector, &etr_data->banks[i]); | ||
157 | } | ||
158 | irq_set_affinity_hint(msixe[i].vector, NULL); | ||
159 | free_irq(msixe[i].vector, accel_dev); | ||
160 | } | ||
161 | |||
162 | static int adf_isr_alloc_msix_entry_table(struct adf_accel_dev *accel_dev) | ||
163 | { | ||
164 | int i; | ||
165 | char **names; | ||
166 | struct msix_entry *entries; | ||
167 | struct adf_hw_device_data *hw_data = accel_dev->hw_device; | ||
168 | uint32_t msix_num_entries = hw_data->num_banks + 1; | ||
169 | |||
170 | entries = kzalloc_node(msix_num_entries * sizeof(*entries), | ||
171 | GFP_KERNEL, accel_dev->numa_node); | ||
172 | if (!entries) | ||
173 | return -ENOMEM; | ||
174 | |||
175 | names = kzalloc(msix_num_entries * sizeof(char *), GFP_KERNEL); | ||
176 | if (!names) { | ||
177 | kfree(entries); | ||
178 | return -ENOMEM; | ||
179 | } | ||
180 | for (i = 0; i < msix_num_entries; i++) { | ||
181 | *(names + i) = kzalloc(ADF_MAX_MSIX_VECTOR_NAME, GFP_KERNEL); | ||
182 | if (!(*(names + i))) | ||
183 | goto err; | ||
184 | } | ||
185 | accel_dev->accel_pci_dev.msix_entries.entries = entries; | ||
186 | accel_dev->accel_pci_dev.msix_entries.names = names; | ||
187 | return 0; | ||
188 | err: | ||
189 | for (i = 0; i < msix_num_entries; i++) { | ||
190 | if (*(names + i)) | ||
191 | kfree(*(names + i)); | ||
192 | } | ||
193 | kfree(entries); | ||
194 | kfree(names); | ||
195 | return -ENOMEM; | ||
196 | } | ||
197 | |||
198 | static void adf_isr_free_msix_entry_table(struct adf_accel_dev *accel_dev) | ||
199 | { | ||
200 | struct adf_hw_device_data *hw_data = accel_dev->hw_device; | ||
201 | uint32_t msix_num_entries = hw_data->num_banks + 1; | ||
202 | char **names = accel_dev->accel_pci_dev.msix_entries.names; | ||
203 | int i; | ||
204 | |||
205 | kfree(accel_dev->accel_pci_dev.msix_entries.entries); | ||
206 | for (i = 0; i < msix_num_entries; i++) { | ||
207 | if (*(names + i)) | ||
208 | kfree(*(names + i)); | ||
209 | } | ||
210 | kfree(names); | ||
211 | } | ||
212 | |||
213 | static int adf_setup_bh(struct adf_accel_dev *accel_dev) | ||
214 | { | ||
215 | struct adf_etr_data *priv_data = accel_dev->transport; | ||
216 | struct adf_hw_device_data *hw_data = accel_dev->hw_device; | ||
217 | int i; | ||
218 | |||
219 | for (i = 0; i < hw_data->num_banks; i++) | ||
220 | tasklet_init(&priv_data->banks[i].resp_hanlder, | ||
221 | adf_response_handler, | ||
222 | (unsigned long)&priv_data->banks[i]); | ||
223 | return 0; | ||
224 | } | ||
225 | |||
226 | static void adf_cleanup_bh(struct adf_accel_dev *accel_dev) | ||
227 | { | ||
228 | struct adf_etr_data *priv_data = accel_dev->transport; | ||
229 | struct adf_hw_device_data *hw_data = accel_dev->hw_device; | ||
230 | int i; | ||
231 | |||
232 | for (i = 0; i < hw_data->num_banks; i++) { | ||
233 | tasklet_disable(&priv_data->banks[i].resp_hanlder); | ||
234 | tasklet_kill(&priv_data->banks[i].resp_hanlder); | ||
235 | } | ||
236 | } | ||
237 | |||
238 | void adf_isr_resource_free(struct adf_accel_dev *accel_dev) | ||
239 | { | ||
240 | adf_free_irqs(accel_dev); | ||
241 | adf_cleanup_bh(accel_dev); | ||
242 | adf_disable_msix(&accel_dev->accel_pci_dev); | ||
243 | adf_isr_free_msix_entry_table(accel_dev); | ||
244 | } | ||
245 | |||
246 | int adf_isr_resource_alloc(struct adf_accel_dev *accel_dev) | ||
247 | { | ||
248 | int ret; | ||
249 | |||
250 | ret = adf_isr_alloc_msix_entry_table(accel_dev); | ||
251 | if (ret) | ||
252 | return ret; | ||
253 | if (adf_enable_msix(accel_dev)) | ||
254 | goto err_out; | ||
255 | |||
256 | if (adf_setup_bh(accel_dev)) | ||
257 | goto err_out; | ||
258 | |||
259 | if (adf_request_irqs(accel_dev)) | ||
260 | goto err_out; | ||
261 | |||
262 | return 0; | ||
263 | err_out: | ||
264 | adf_isr_resource_free(accel_dev); | ||
265 | return -EFAULT; | ||
266 | } | ||
diff --git a/drivers/crypto/qat/qat_dh895xcc/qat_admin.c b/drivers/crypto/qat/qat_dh895xcc/qat_admin.c new file mode 100644 index 000000000000..55b7a8e48bad --- /dev/null +++ b/drivers/crypto/qat/qat_dh895xcc/qat_admin.c | |||
@@ -0,0 +1,107 @@ | |||
1 | /* | ||
2 | This file is provided under a dual BSD/GPLv2 license. When using or | ||
3 | redistributing this file, you may do so under either license. | ||
4 | |||
5 | GPL LICENSE SUMMARY | ||
6 | Copyright(c) 2014 Intel Corporation. | ||
7 | This program is free software; you can redistribute it and/or modify | ||
8 | it under the terms of version 2 of the GNU General Public License as | ||
9 | published by the Free Software Foundation. | ||
10 | |||
11 | This program is distributed in the hope that it will be useful, but | ||
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
14 | General Public License for more details. | ||
15 | |||
16 | Contact Information: | ||
17 | qat-linux@intel.com | ||
18 | |||
19 | BSD LICENSE | ||
20 | Copyright(c) 2014 Intel Corporation. | ||
21 | Redistribution and use in source and binary forms, with or without | ||
22 | modification, are permitted provided that the following conditions | ||
23 | are met: | ||
24 | |||
25 | * Redistributions of source code must retain the above copyright | ||
26 | notice, this list of conditions and the following disclaimer. | ||
27 | * Redistributions in binary form must reproduce the above copyright | ||
28 | notice, this list of conditions and the following disclaimer in | ||
29 | the documentation and/or other materials provided with the | ||
30 | distribution. | ||
31 | * Neither the name of Intel Corporation nor the names of its | ||
32 | contributors may be used to endorse or promote products derived | ||
33 | from this software without specific prior written permission. | ||
34 | |||
35 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
36 | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
37 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
38 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
39 | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
40 | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
41 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
42 | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
43 | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
44 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
45 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
46 | */ | ||
47 | #include <icp_qat_fw_init_admin.h> | ||
48 | #include <adf_accel_devices.h> | ||
49 | #include <adf_common_drv.h> | ||
50 | #include "adf_drv.h" | ||
51 | |||
52 | static struct service_hndl qat_admin; | ||
53 | |||
54 | static int qat_send_admin_cmd(struct adf_accel_dev *accel_dev, int cmd) | ||
55 | { | ||
56 | struct adf_hw_device_data *hw_device = accel_dev->hw_device; | ||
57 | struct icp_qat_fw_init_admin_req req; | ||
58 | struct icp_qat_fw_init_admin_resp resp; | ||
59 | int i; | ||
60 | |||
61 | memset(&req, 0, sizeof(struct icp_qat_fw_init_admin_req)); | ||
62 | req.init_admin_cmd_id = cmd; | ||
63 | for (i = 0; i < hw_device->get_num_aes(hw_device); i++) { | ||
64 | memset(&resp, 0, sizeof(struct icp_qat_fw_init_admin_resp)); | ||
65 | if (adf_put_admin_msg_sync(accel_dev, i, &req, &resp) || | ||
66 | resp.init_resp_hdr.status) | ||
67 | return -EFAULT; | ||
68 | } | ||
69 | return 0; | ||
70 | } | ||
71 | |||
72 | static int qat_admin_start(struct adf_accel_dev *accel_dev) | ||
73 | { | ||
74 | return qat_send_admin_cmd(accel_dev, ICP_QAT_FW_INIT_ME); | ||
75 | } | ||
76 | |||
77 | static int qat_admin_event_handler(struct adf_accel_dev *accel_dev, | ||
78 | enum adf_event event) | ||
79 | { | ||
80 | int ret; | ||
81 | |||
82 | switch (event) { | ||
83 | case ADF_EVENT_START: | ||
84 | ret = qat_admin_start(accel_dev); | ||
85 | break; | ||
86 | case ADF_EVENT_STOP: | ||
87 | case ADF_EVENT_INIT: | ||
88 | case ADF_EVENT_SHUTDOWN: | ||
89 | default: | ||
90 | ret = 0; | ||
91 | } | ||
92 | return ret; | ||
93 | } | ||
94 | |||
95 | int qat_admin_register(void) | ||
96 | { | ||
97 | memset(&qat_admin, 0, sizeof(struct service_hndl)); | ||
98 | qat_admin.event_hld = qat_admin_event_handler; | ||
99 | qat_admin.name = "qat_admin"; | ||
100 | qat_admin.admin = 1; | ||
101 | return adf_service_register(&qat_admin); | ||
102 | } | ||
103 | |||
104 | int qat_admin_unregister(void) | ||
105 | { | ||
106 | return adf_service_unregister(&qat_admin); | ||
107 | } | ||