/* SPDX-License-Identifier: BSD-3-Clause */ /* Copyright(c) 2007-2022 Intel Corporation */ #include "qat_freebsd.h" #include #include #include #include "adf_4xxxvf_hw_data.h" #include "adf_gen4_hw_data.h" #include "adf_fw_counters.h" #include "adf_cfg_device.h" #include #include #include #include #include static MALLOC_DEFINE(M_QAT_4XXXVF, "qat_4xxxvf", "qat_4xxxvf"); #define ADF_SYSTEM_DEVICE(device_id) \ { \ PCI_VENDOR_ID_INTEL, device_id \ } static const struct pci_device_id adf_pci_tbl[] = { ADF_SYSTEM_DEVICE(ADF_4XXXIOV_PCI_DEVICE_ID), ADF_SYSTEM_DEVICE(ADF_401XXIOV_PCI_DEVICE_ID), { 0, } }; static int adf_probe(device_t dev) { const struct pci_device_id *id; for (id = adf_pci_tbl; id->vendor != 0; id++) { if (pci_get_vendor(dev) == id->vendor && pci_get_device(dev) == id->device) { device_set_desc(dev, "Intel " ADF_4XXXVF_DEVICE_NAME " QuickAssist"); return BUS_PROBE_GENERIC; } } return ENXIO; } static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) { struct adf_accel_pci *accel_pci_dev = &accel_dev->accel_pci_dev; struct adf_accel_dev *pf; int i; if (accel_dev->dma_tag) bus_dma_tag_destroy(accel_dev->dma_tag); for (i = 0; i < ADF_PCI_MAX_BARS; i++) { struct adf_bar *bar = &accel_pci_dev->pci_bars[i]; if (bar->virt_addr) bus_free_resource(accel_pci_dev->pci_dev, SYS_RES_MEMORY, bar->virt_addr); } /* * As adf_clean_hw_data_4xxxiov() will update class index, before * index is updated, vf must be remove from accel_table. */ pf = adf_devmgr_pci_to_accel_dev(pci_find_pf(accel_pci_dev->pci_dev)); adf_devmgr_rm_dev(accel_dev, pf); if (accel_dev->hw_device) { switch (pci_get_device(accel_pci_dev->pci_dev)) { case ADF_4XXXIOV_PCI_DEVICE_ID: case ADF_401XXIOV_PCI_DEVICE_ID: adf_clean_hw_data_4xxxiov(accel_dev->hw_device); break; default: break; } free(accel_dev->hw_device, M_QAT_4XXXVF); accel_dev->hw_device = NULL; } adf_cfg_dev_remove(accel_dev); } static int adf_attach(device_t dev) { struct adf_accel_dev *accel_dev; struct adf_accel_dev *pf; struct adf_accel_pci *accel_pci_dev; struct adf_hw_device_data *hw_data; unsigned int bar_nr; int ret = 0; int rid; struct adf_cfg_device *cfg_dev = NULL; accel_dev = device_get_softc(dev); accel_dev->is_vf = true; pf = adf_devmgr_pci_to_accel_dev(pci_find_pf(dev)); INIT_LIST_HEAD(&accel_dev->crypto_list); accel_pci_dev = &accel_dev->accel_pci_dev; accel_pci_dev->pci_dev = dev; if (bus_get_domain(dev, &accel_pci_dev->node) != 0) accel_pci_dev->node = 0; /* Add accel device to accel table */ if (adf_devmgr_add_dev(accel_dev, pf)) { device_printf(GET_DEV(accel_dev), "Failed to add new accelerator device.\n"); return -EFAULT; } /* Allocate and configure device configuration structure */ hw_data = malloc(sizeof(*hw_data), M_QAT_4XXXVF, M_WAITOK | M_ZERO); accel_dev->hw_device = hw_data; adf_init_hw_data_4xxxiov(accel_dev->hw_device); accel_pci_dev->revid = pci_get_revid(dev); hw_data->fuses = pci_read_config(dev, ADF_4XXXIOV_VFFUSECTL4_OFFSET, 4); /* Get Accelerators and Accelerators Engines masks */ hw_data->accel_mask = hw_data->get_accel_mask(accel_dev); hw_data->ae_mask = hw_data->get_ae_mask(accel_dev); hw_data->admin_ae_mask = hw_data->ae_mask; accel_pci_dev->sku = hw_data->get_sku(hw_data); /* Create device configuration table */ ret = adf_cfg_dev_add(accel_dev); if (ret) goto out_err; pci_set_max_read_req(dev, 1024); ret = bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0, BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, BUS_SPACE_MAXSIZE, /* BUS_SPACE_UNRESTRICTED */ 1, BUS_SPACE_MAXSIZE, 0, NULL, NULL, &accel_dev->dma_tag); hw_data->accel_capabilities_mask = adf_4xxxvf_get_hw_cap(accel_dev); /* Find and map all the device's BARS */ /* Logical BARs configuration for 64bit BARs: bar 0 and 1 - logical BAR0 bar 2 and 3 - logical BAR1 bar 4 and 5 - logical BAR3 */ for (bar_nr = 0; bar_nr < (ADF_PCI_MAX_BARS * 2) && bar_nr < PCIR_MAX_BAR_0; bar_nr += 2) { struct adf_bar *bar; rid = PCIR_BAR(bar_nr); bar = &accel_pci_dev->pci_bars[bar_nr / 2]; bar->virt_addr = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (!bar->virt_addr) { device_printf(dev, "Failed to map BAR %d\n", bar_nr); ret = ENXIO; goto out_err; } bar->base_addr = rman_get_start(bar->virt_addr); bar->size = rman_get_size(bar->virt_addr); } pci_enable_busmaster(dev); /* Completion for VF2PF request/response message exchange */ init_completion(&accel_dev->u1.vf.msg_received); mutex_init(&accel_dev->u1.vf.rpreset_lock); ret = hw_data->config_device(accel_dev); if (ret) goto out_err; ret = adf_dev_init(accel_dev); if (!ret) ret = adf_dev_start(accel_dev); if (ret) { device_printf( GET_DEV(accel_dev), "Failed to start - make sure PF enabled services match VF configuration.\n"); adf_dev_stop(accel_dev); adf_dev_shutdown(accel_dev); return 0; } cfg_dev = accel_dev->cfg->dev; adf_cfg_device_clear(cfg_dev, accel_dev); free(cfg_dev, M_QAT); accel_dev->cfg->dev = NULL; return ret; out_err: adf_cleanup_accel(accel_dev); return ret; } static int adf_detach(device_t dev) { struct adf_accel_dev *accel_dev = device_get_softc(dev); if (!accel_dev) { printf("QAT: Driver removal failed\n"); return EFAULT; } adf_flush_vf_wq(accel_dev); clear_bit(ADF_STATUS_RESTARTING, &accel_dev->status); adf_dev_stop(accel_dev); adf_dev_shutdown(accel_dev); adf_cleanup_accel(accel_dev); return 0; } static int adf_modevent(module_t mod, int type, void *data) { switch (type) { case MOD_UNLOAD: adf_clean_vf_map(true); return 0; default: return EOPNOTSUPP; } } static device_method_t adf_methods[] = { DEVMETHOD(device_probe, adf_probe), DEVMETHOD(device_attach, adf_attach), DEVMETHOD(device_detach, adf_detach), DEVMETHOD_END }; static driver_t adf_driver = { "qat", adf_methods, sizeof(struct adf_accel_dev) }; DRIVER_MODULE_ORDERED(qat_4xxxvf, pci, adf_driver, adf_modevent, NULL, SI_ORDER_THIRD); MODULE_VERSION(qat_4xxxvf, 1); MODULE_DEPEND(qat_4xxxvf, qat_common, 1, 1, 1); MODULE_DEPEND(qat_4xxxvf, qat_api, 1, 1, 1); MODULE_DEPEND(qat_4xxxvf, linuxkpi, 1, 1, 1);