1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* Copyright(c) 2007-2022 Intel Corporation */ 3 #include "qat_freebsd.h" 4 #include <adf_accel_devices.h> 5 #include <adf_common_drv.h> 6 #include <adf_cfg.h> 7 #include "adf_4xxxvf_hw_data.h" 8 #include "adf_gen4_hw_data.h" 9 #include "adf_fw_counters.h" 10 #include "adf_cfg_device.h" 11 #include <sys/types.h> 12 #include <sys/kernel.h> 13 #include <sys/malloc.h> 14 #include <machine/bus_dma.h> 15 #include <dev/pci/pcireg.h> 16 17 static MALLOC_DEFINE(M_QAT_4XXXVF, "qat_4xxxvf", "qat_4xxxvf"); 18 19 #define ADF_SYSTEM_DEVICE(device_id) \ 20 { \ 21 PCI_VENDOR_ID_INTEL, device_id \ 22 } 23 24 static const struct pci_device_id adf_pci_tbl[] = 25 { ADF_SYSTEM_DEVICE(ADF_4XXXIOV_PCI_DEVICE_ID), 26 ADF_SYSTEM_DEVICE(ADF_401XXIOV_PCI_DEVICE_ID), 27 { 28 0, 29 } }; 30 31 static int 32 adf_probe(device_t dev) 33 { 34 const struct pci_device_id *id; 35 36 for (id = adf_pci_tbl; id->vendor != 0; id++) { 37 if (pci_get_vendor(dev) == id->vendor && 38 pci_get_device(dev) == id->device) { 39 device_set_desc(dev, 40 "Intel " ADF_4XXXVF_DEVICE_NAME 41 " QuickAssist"); 42 return BUS_PROBE_GENERIC; 43 } 44 } 45 return ENXIO; 46 } 47 48 static void 49 adf_cleanup_accel(struct adf_accel_dev *accel_dev) 50 { 51 struct adf_accel_pci *accel_pci_dev = &accel_dev->accel_pci_dev; 52 struct adf_accel_dev *pf; 53 int i; 54 55 if (accel_dev->dma_tag) 56 bus_dma_tag_destroy(accel_dev->dma_tag); 57 58 for (i = 0; i < ADF_PCI_MAX_BARS; i++) { 59 struct adf_bar *bar = &accel_pci_dev->pci_bars[i]; 60 61 if (bar->virt_addr) 62 bus_free_resource(accel_pci_dev->pci_dev, 63 SYS_RES_MEMORY, 64 bar->virt_addr); 65 } 66 67 /* 68 * As adf_clean_hw_data_4xxxiov() will update class index, before 69 * index is updated, vf must be remove from accel_table. 70 */ 71 pf = adf_devmgr_pci_to_accel_dev(pci_find_pf(accel_pci_dev->pci_dev)); 72 adf_devmgr_rm_dev(accel_dev, pf); 73 74 if (accel_dev->hw_device) { 75 switch (pci_get_device(accel_pci_dev->pci_dev)) { 76 case ADF_4XXXIOV_PCI_DEVICE_ID: 77 case ADF_401XXIOV_PCI_DEVICE_ID: 78 adf_clean_hw_data_4xxxiov(accel_dev->hw_device); 79 break; 80 default: 81 break; 82 } 83 free(accel_dev->hw_device, M_QAT_4XXXVF); 84 accel_dev->hw_device = NULL; 85 } 86 adf_cfg_dev_remove(accel_dev); 87 } 88 89 static int 90 adf_attach(device_t dev) 91 { 92 struct adf_accel_dev *accel_dev; 93 struct adf_accel_dev *pf; 94 struct adf_accel_pci *accel_pci_dev; 95 struct adf_hw_device_data *hw_data; 96 unsigned int bar_nr; 97 int ret = 0; 98 int rid; 99 struct adf_cfg_device *cfg_dev = NULL; 100 101 accel_dev = device_get_softc(dev); 102 accel_dev->is_vf = true; 103 pf = adf_devmgr_pci_to_accel_dev(pci_find_pf(dev)); 104 105 INIT_LIST_HEAD(&accel_dev->crypto_list); 106 accel_pci_dev = &accel_dev->accel_pci_dev; 107 accel_pci_dev->pci_dev = dev; 108 109 if (bus_get_domain(dev, &accel_pci_dev->node) != 0) 110 accel_pci_dev->node = 0; 111 112 /* Add accel device to accel table */ 113 if (adf_devmgr_add_dev(accel_dev, pf)) { 114 device_printf(GET_DEV(accel_dev), 115 "Failed to add new accelerator device.\n"); 116 return -EFAULT; 117 } 118 /* Allocate and configure device configuration structure */ 119 hw_data = malloc(sizeof(*hw_data), M_QAT_4XXXVF, M_WAITOK | M_ZERO); 120 if (!hw_data) { 121 ret = -ENOMEM; 122 goto out_err; 123 } 124 125 accel_dev->hw_device = hw_data; 126 adf_init_hw_data_4xxxiov(accel_dev->hw_device); 127 accel_pci_dev->revid = pci_get_revid(dev); 128 129 hw_data->fuses = pci_read_config(dev, ADF_4XXXIOV_VFFUSECTL4_OFFSET, 4); 130 131 /* Get Accelerators and Accelerators Engines masks */ 132 hw_data->accel_mask = hw_data->get_accel_mask(accel_dev); 133 hw_data->ae_mask = hw_data->get_ae_mask(accel_dev); 134 hw_data->admin_ae_mask = hw_data->ae_mask; 135 accel_pci_dev->sku = hw_data->get_sku(hw_data); 136 137 /* Create device configuration table */ 138 ret = adf_cfg_dev_add(accel_dev); 139 if (ret) 140 goto out_err; 141 142 pci_set_max_read_req(dev, 1024); 143 144 ret = bus_dma_tag_create(bus_get_dma_tag(dev), 145 1, 146 0, 147 BUS_SPACE_MAXADDR, 148 BUS_SPACE_MAXADDR, 149 NULL, 150 NULL, 151 BUS_SPACE_MAXSIZE, 152 /* BUS_SPACE_UNRESTRICTED */ 1, 153 BUS_SPACE_MAXSIZE, 154 0, 155 NULL, 156 NULL, 157 &accel_dev->dma_tag); 158 159 hw_data->accel_capabilities_mask = adf_4xxxvf_get_hw_cap(accel_dev); 160 161 /* Find and map all the device's BARS */ 162 /* Logical BARs configuration for 64bit BARs: 163 bar 0 and 1 - logical BAR0 164 bar 2 and 3 - logical BAR1 165 bar 4 and 5 - logical BAR3 166 */ 167 for (bar_nr = 0; 168 bar_nr < (ADF_PCI_MAX_BARS * 2) && bar_nr < PCIR_MAX_BAR_0; 169 bar_nr += 2) { 170 struct adf_bar *bar; 171 172 rid = PCIR_BAR(bar_nr); 173 bar = &accel_pci_dev->pci_bars[bar_nr / 2]; 174 bar->virt_addr = bus_alloc_resource_any(dev, 175 SYS_RES_MEMORY, 176 &rid, 177 RF_ACTIVE); 178 if (!bar->virt_addr) { 179 device_printf(dev, "Failed to map BAR %d\n", bar_nr); 180 ret = ENXIO; 181 goto out_err; 182 } 183 bar->base_addr = rman_get_start(bar->virt_addr); 184 bar->size = rman_get_size(bar->virt_addr); 185 } 186 pci_enable_busmaster(dev); 187 188 /* Completion for VF2PF request/response message exchange */ 189 init_completion(&accel_dev->u1.vf.msg_received); 190 mutex_init(&accel_dev->u1.vf.rpreset_lock); 191 192 ret = hw_data->config_device(accel_dev); 193 if (ret) 194 goto out_err; 195 196 ret = adf_dev_init(accel_dev); 197 if (!ret) 198 ret = adf_dev_start(accel_dev); 199 200 if (ret) { 201 device_printf( 202 GET_DEV(accel_dev), 203 "Failed to start - make sure PF enabled services match VF configuration.\n"); 204 adf_dev_stop(accel_dev); 205 adf_dev_shutdown(accel_dev); 206 return 0; 207 } 208 209 cfg_dev = accel_dev->cfg->dev; 210 adf_cfg_device_clear(cfg_dev, accel_dev); 211 free(cfg_dev, M_QAT); 212 accel_dev->cfg->dev = NULL; 213 214 return ret; 215 216 out_err: 217 adf_cleanup_accel(accel_dev); 218 return ret; 219 } 220 221 static int 222 adf_detach(device_t dev) 223 { 224 struct adf_accel_dev *accel_dev = device_get_softc(dev); 225 226 if (!accel_dev) { 227 printf("QAT: Driver removal failed\n"); 228 return EFAULT; 229 } 230 231 adf_flush_vf_wq(accel_dev); 232 clear_bit(ADF_STATUS_RESTARTING, &accel_dev->status); 233 adf_dev_stop(accel_dev); 234 adf_dev_shutdown(accel_dev); 235 adf_cleanup_accel(accel_dev); 236 return 0; 237 } 238 239 static int 240 adf_modevent(module_t mod, int type, void *data) 241 { 242 243 switch (type) { 244 case MOD_UNLOAD: 245 adf_clean_vf_map(true); 246 return 0; 247 default: 248 return EOPNOTSUPP; 249 } 250 } 251 252 static device_method_t adf_methods[] = { DEVMETHOD(device_probe, adf_probe), 253 DEVMETHOD(device_attach, adf_attach), 254 DEVMETHOD(device_detach, adf_detach), 255 256 DEVMETHOD_END }; 257 258 static driver_t adf_driver = { "qat", 259 adf_methods, 260 sizeof(struct adf_accel_dev) }; 261 262 DRIVER_MODULE_ORDERED(qat_4xxxvf, 263 pci, 264 adf_driver, 265 adf_modevent, 266 NULL, 267 SI_ORDER_THIRD); 268 MODULE_VERSION(qat_4xxxvf, 1); 269 MODULE_DEPEND(qat_4xxxvf, qat_common, 1, 1, 1); 270 MODULE_DEPEND(qat_4xxxvf, qat_api, 1, 1, 1); 271 MODULE_DEPEND(qat_4xxxvf, linuxkpi, 1, 1, 1); 272