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 accel_dev->hw_device = hw_data; 121 adf_init_hw_data_4xxxiov(accel_dev->hw_device); 122 accel_pci_dev->revid = pci_get_revid(dev); 123 124 hw_data->fuses = pci_read_config(dev, ADF_4XXXIOV_VFFUSECTL4_OFFSET, 4); 125 126 /* Get Accelerators and Accelerators Engines masks */ 127 hw_data->accel_mask = hw_data->get_accel_mask(accel_dev); 128 hw_data->ae_mask = hw_data->get_ae_mask(accel_dev); 129 hw_data->admin_ae_mask = hw_data->ae_mask; 130 accel_pci_dev->sku = hw_data->get_sku(hw_data); 131 132 /* Create device configuration table */ 133 ret = adf_cfg_dev_add(accel_dev); 134 if (ret) 135 goto out_err; 136 137 pci_set_max_read_req(dev, 1024); 138 139 ret = bus_dma_tag_create(bus_get_dma_tag(dev), 140 1, 141 0, 142 BUS_SPACE_MAXADDR, 143 BUS_SPACE_MAXADDR, 144 NULL, 145 NULL, 146 BUS_SPACE_MAXSIZE, 147 /* BUS_SPACE_UNRESTRICTED */ 1, 148 BUS_SPACE_MAXSIZE, 149 0, 150 NULL, 151 NULL, 152 &accel_dev->dma_tag); 153 154 hw_data->accel_capabilities_mask = adf_4xxxvf_get_hw_cap(accel_dev); 155 156 /* Find and map all the device's BARS */ 157 /* Logical BARs configuration for 64bit BARs: 158 bar 0 and 1 - logical BAR0 159 bar 2 and 3 - logical BAR1 160 bar 4 and 5 - logical BAR3 161 */ 162 for (bar_nr = 0; 163 bar_nr < (ADF_PCI_MAX_BARS * 2) && bar_nr < PCIR_MAX_BAR_0; 164 bar_nr += 2) { 165 struct adf_bar *bar; 166 167 rid = PCIR_BAR(bar_nr); 168 bar = &accel_pci_dev->pci_bars[bar_nr / 2]; 169 bar->virt_addr = bus_alloc_resource_any(dev, 170 SYS_RES_MEMORY, 171 &rid, 172 RF_ACTIVE); 173 if (!bar->virt_addr) { 174 device_printf(dev, "Failed to map BAR %d\n", bar_nr); 175 ret = ENXIO; 176 goto out_err; 177 } 178 bar->base_addr = rman_get_start(bar->virt_addr); 179 bar->size = rman_get_size(bar->virt_addr); 180 } 181 pci_enable_busmaster(dev); 182 183 /* Completion for VF2PF request/response message exchange */ 184 init_completion(&accel_dev->u1.vf.msg_received); 185 mutex_init(&accel_dev->u1.vf.rpreset_lock); 186 187 ret = hw_data->config_device(accel_dev); 188 if (ret) 189 goto out_err; 190 191 ret = adf_dev_init(accel_dev); 192 if (!ret) 193 ret = adf_dev_start(accel_dev); 194 195 if (ret) { 196 device_printf( 197 GET_DEV(accel_dev), 198 "Failed to start - make sure PF enabled services match VF configuration.\n"); 199 adf_dev_stop(accel_dev); 200 adf_dev_shutdown(accel_dev); 201 return 0; 202 } 203 204 cfg_dev = accel_dev->cfg->dev; 205 adf_cfg_device_clear(cfg_dev, accel_dev); 206 free(cfg_dev, M_QAT); 207 accel_dev->cfg->dev = NULL; 208 209 return ret; 210 211 out_err: 212 adf_cleanup_accel(accel_dev); 213 return ret; 214 } 215 216 static int 217 adf_detach(device_t dev) 218 { 219 struct adf_accel_dev *accel_dev = device_get_softc(dev); 220 221 if (!accel_dev) { 222 printf("QAT: Driver removal failed\n"); 223 return EFAULT; 224 } 225 226 adf_flush_vf_wq(accel_dev); 227 clear_bit(ADF_STATUS_RESTARTING, &accel_dev->status); 228 adf_dev_stop(accel_dev); 229 adf_dev_shutdown(accel_dev); 230 adf_cleanup_accel(accel_dev); 231 return 0; 232 } 233 234 static int 235 adf_modevent(module_t mod, int type, void *data) 236 { 237 238 switch (type) { 239 case MOD_UNLOAD: 240 adf_clean_vf_map(true); 241 return 0; 242 default: 243 return EOPNOTSUPP; 244 } 245 } 246 247 static device_method_t adf_methods[] = { DEVMETHOD(device_probe, adf_probe), 248 DEVMETHOD(device_attach, adf_attach), 249 DEVMETHOD(device_detach, adf_detach), 250 251 DEVMETHOD_END }; 252 253 static driver_t adf_driver = { "qat", 254 adf_methods, 255 sizeof(struct adf_accel_dev) }; 256 257 DRIVER_MODULE_ORDERED(qat_4xxxvf, 258 pci, 259 adf_driver, 260 adf_modevent, 261 NULL, 262 SI_ORDER_THIRD); 263 MODULE_VERSION(qat_4xxxvf, 1); 264 MODULE_DEPEND(qat_4xxxvf, qat_common, 1, 1, 1); 265 MODULE_DEPEND(qat_4xxxvf, qat_api, 1, 1, 1); 266 MODULE_DEPEND(qat_4xxxvf, linuxkpi, 1, 1, 1); 267