From 8c8268166e83425243789c5781c92e7fa33b703b Mon Sep 17 00:00:00 2001 From: Giovanni Cabiddu Date: Fri, 13 Nov 2020 16:46:43 +0000 Subject: [PATCH] crypto: qat - add qat_4xxx driver Add support for QAT 4xxx devices. Signed-off-by: Giovanni Cabiddu Reviewed-by: Fiona Trahe Signed-off-by: Herbert Xu --- drivers/crypto/qat/Kconfig | 11 + drivers/crypto/qat/Makefile | 1 + drivers/crypto/qat/qat_4xxx/Makefile | 4 + drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c | 218 +++++++++++++++ drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.h | 75 +++++ drivers/crypto/qat/qat_4xxx/adf_drv.c | 320 ++++++++++++++++++++++ drivers/crypto/qat/qat_common/Makefile | 1 + drivers/crypto/qat/qat_common/adf_accel_devices.h | 1 + drivers/crypto/qat/qat_common/adf_cfg_common.h | 3 +- drivers/crypto/qat/qat_common/adf_gen4_hw_data.c | 101 +++++++ drivers/crypto/qat/qat_common/adf_gen4_hw_data.h | 99 +++++++ 11 files changed, 833 insertions(+), 1 deletion(-) create mode 100644 drivers/crypto/qat/qat_4xxx/Makefile create mode 100644 drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c create mode 100644 drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.h create mode 100644 drivers/crypto/qat/qat_4xxx/adf_drv.c create mode 100644 drivers/crypto/qat/qat_common/adf_gen4_hw_data.c create mode 100644 drivers/crypto/qat/qat_common/adf_gen4_hw_data.h diff --git a/drivers/crypto/qat/Kconfig b/drivers/crypto/qat/Kconfig index 2006322..beb379b 100644 --- a/drivers/crypto/qat/Kconfig +++ b/drivers/crypto/qat/Kconfig @@ -46,6 +46,17 @@ config CRYPTO_DEV_QAT_C62X To compile this as a module, choose M here: the module will be called qat_c62x. +config CRYPTO_DEV_QAT_4XXX + tristate "Support for Intel(R) QAT_4XXX" + depends on X86 && PCI + select CRYPTO_DEV_QAT + help + Support for Intel(R) QuickAssist Technology QAT_4xxx + for accelerating crypto and compression workloads. + + To compile this as a module, choose M here: the module + will be called qat_4xxx. + config CRYPTO_DEV_QAT_DH895xCCVF tristate "Support for Intel(R) DH895xCC Virtual Function" depends on X86 && PCI diff --git a/drivers/crypto/qat/Makefile b/drivers/crypto/qat/Makefile index 7dd15e7..258c8a6 100644 --- a/drivers/crypto/qat/Makefile +++ b/drivers/crypto/qat/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_CRYPTO_DEV_QAT) += qat_common/ obj-$(CONFIG_CRYPTO_DEV_QAT_DH895xCC) += qat_dh895xcc/ obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXX) += qat_c3xxx/ obj-$(CONFIG_CRYPTO_DEV_QAT_C62X) += qat_c62x/ +obj-$(CONFIG_CRYPTO_DEV_QAT_4XXX) += qat_4xxx/ obj-$(CONFIG_CRYPTO_DEV_QAT_DH895xCCVF) += qat_dh895xccvf/ obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXXVF) += qat_c3xxxvf/ obj-$(CONFIG_CRYPTO_DEV_QAT_C62XVF) += qat_c62xvf/ diff --git a/drivers/crypto/qat/qat_4xxx/Makefile b/drivers/crypto/qat/qat_4xxx/Makefile new file mode 100644 index 0000000..ff9c8b5 --- /dev/null +++ b/drivers/crypto/qat/qat_4xxx/Makefile @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) +ccflags-y := -I $(srctree)/$(src)/../qat_common +obj-$(CONFIG_CRYPTO_DEV_QAT_4XXX) += qat_4xxx.o +qat_4xxx-objs := adf_drv.o adf_4xxx_hw_data.o diff --git a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c new file mode 100644 index 0000000..e7a7c1e --- /dev/null +++ b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.c @@ -0,0 +1,218 @@ +// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) +/* Copyright(c) 2020 Intel Corporation */ +#include +#include +#include +#include +#include "adf_4xxx_hw_data.h" + +struct adf_fw_config { + u32 ae_mask; + char *obj_name; +}; + +static struct adf_fw_config adf_4xxx_fw_config[] = { + {0xF0, ADF_4XXX_SYM_OBJ}, + {0xF, ADF_4XXX_ASYM_OBJ}, + {0x100, ADF_4XXX_ADMIN_OBJ}, +}; + +/* Worker thread to service arbiter mappings */ +static u32 thrd_to_arb_map[] = { + 0x5555555, 0x5555555, 0x5555555, 0x5555555, + 0xAAAAAAA, 0xAAAAAAA, 0xAAAAAAA, 0xAAAAAAA, + 0x0 +}; + +static struct adf_hw_device_class adf_4xxx_class = { + .name = ADF_4XXX_DEVICE_NAME, + .type = DEV_4XXX, + .instances = 0, +}; + +static u32 get_accel_mask(struct adf_hw_device_data *self) +{ + return ADF_4XXX_ACCELERATORS_MASK; +} + +static u32 get_ae_mask(struct adf_hw_device_data *self) +{ + u32 me_disable = self->fuses; + + return ~me_disable & ADF_4XXX_ACCELENGINES_MASK; +} + +static u32 get_num_accels(struct adf_hw_device_data *self) +{ + return ADF_4XXX_MAX_ACCELERATORS; +} + +static u32 get_num_aes(struct adf_hw_device_data *self) +{ + if (!self || !self->ae_mask) + return 0; + + return hweight32(self->ae_mask); +} + +static u32 get_misc_bar_id(struct adf_hw_device_data *self) +{ + return ADF_4XXX_PMISC_BAR; +} + +static u32 get_etr_bar_id(struct adf_hw_device_data *self) +{ + return ADF_4XXX_ETR_BAR; +} + +static u32 get_sram_bar_id(struct adf_hw_device_data *self) +{ + return ADF_4XXX_SRAM_BAR; +} + +/* + * The vector routing table is used to select the MSI-X entry to use for each + * interrupt source. + * The first ADF_4XXX_ETR_MAX_BANKS entries correspond to ring interrupts. + * The final entry corresponds to VF2PF or error interrupts. + * This vector table could be used to configure one MSI-X entry to be shared + * between multiple interrupt sources. + * + * The default routing is set to have a one to one correspondence between the + * interrupt source and the MSI-X entry used. + */ +static void set_msix_default_rttable(struct adf_accel_dev *accel_dev) +{ + void __iomem *csr; + int i; + + csr = (&GET_BARS(accel_dev)[ADF_4XXX_PMISC_BAR])->virt_addr; + for (i = 0; i <= ADF_4XXX_ETR_MAX_BANKS; i++) + ADF_CSR_WR(csr, ADF_4XXX_MSIX_RTTABLE_OFFSET(i), i); +} + +static enum dev_sku_info get_sku(struct adf_hw_device_data *self) +{ + return DEV_SKU_1; +} + +static void adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev, + u32 const **arb_map_config) +{ + struct adf_hw_device_data *hw_device = accel_dev->hw_device; + unsigned long ae_mask = hw_device->ae_mask; + int i; + + for_each_clear_bit(i, &ae_mask, ADF_4XXX_MAX_ACCELENGINES) + thrd_to_arb_map[i] = 0; + + *arb_map_config = thrd_to_arb_map; +} + +static void get_arb_info(struct arb_info *arb_info) +{ + arb_info->arb_cfg = ADF_4XXX_ARB_CONFIG; + arb_info->arb_offset = ADF_4XXX_ARB_OFFSET; + arb_info->wt2sam_offset = ADF_4XXX_ARB_WRK_2_SER_MAP_OFFSET; +} + +static void get_admin_info(struct admin_info *admin_csrs_info) +{ + admin_csrs_info->mailbox_offset = ADF_4XXX_MAILBOX_BASE_OFFSET; + admin_csrs_info->admin_msg_ur = ADF_4XXX_ADMINMSGUR_OFFSET; + admin_csrs_info->admin_msg_lr = ADF_4XXX_ADMINMSGLR_OFFSET; +} + +static void adf_enable_error_correction(struct adf_accel_dev *accel_dev) +{ + struct adf_bar *misc_bar = &GET_BARS(accel_dev)[ADF_4XXX_PMISC_BAR]; + void __iomem *csr = misc_bar->virt_addr; + + /* Enable all in errsou3 except VFLR notification on host */ + ADF_CSR_WR(csr, ADF_4XXX_ERRMSK3, ADF_4XXX_VFLNOTIFY); +} + +static void adf_enable_ints(struct adf_accel_dev *accel_dev) +{ + void __iomem *addr; + + addr = (&GET_BARS(accel_dev)[ADF_4XXX_PMISC_BAR])->virt_addr; + + /* Enable bundle interrupts */ + ADF_CSR_WR(addr, ADF_4XXX_SMIAPF_RP_X0_MASK_OFFSET, 0); + ADF_CSR_WR(addr, ADF_4XXX_SMIAPF_RP_X1_MASK_OFFSET, 0); + + /* Enable misc interrupts */ + ADF_CSR_WR(addr, ADF_4XXX_SMIAPF_MASK_OFFSET, 0); +} + +static int adf_pf_enable_vf2pf_comms(struct adf_accel_dev *accel_dev) +{ + return 0; +} + +static u32 uof_get_num_objs(void) +{ + return ARRAY_SIZE(adf_4xxx_fw_config); +} + +static char *uof_get_name(u32 obj_num) +{ + return adf_4xxx_fw_config[obj_num].obj_name; +} + +static u32 uof_get_ae_mask(u32 obj_num) +{ + return adf_4xxx_fw_config[obj_num].ae_mask; +} + +void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data) +{ + hw_data->dev_class = &adf_4xxx_class; + hw_data->instance_id = adf_4xxx_class.instances++; + hw_data->num_banks = ADF_4XXX_ETR_MAX_BANKS; + hw_data->num_rings_per_bank = ADF_4XXX_NUM_RINGS_PER_BANK; + hw_data->num_accel = ADF_4XXX_MAX_ACCELERATORS; + hw_data->num_engines = ADF_4XXX_MAX_ACCELENGINES; + hw_data->num_logical_accel = 1; + hw_data->tx_rx_gap = ADF_4XXX_RX_RINGS_OFFSET; + hw_data->tx_rings_mask = ADF_4XXX_TX_RINGS_MASK; + hw_data->alloc_irq = adf_isr_resource_alloc; + hw_data->free_irq = adf_isr_resource_free; + hw_data->enable_error_correction = adf_enable_error_correction; + hw_data->get_accel_mask = get_accel_mask; + hw_data->get_ae_mask = get_ae_mask; + hw_data->get_num_accels = get_num_accels; + hw_data->get_num_aes = get_num_aes; + hw_data->get_sram_bar_id = get_sram_bar_id; + hw_data->get_etr_bar_id = get_etr_bar_id; + hw_data->get_misc_bar_id = get_misc_bar_id; + hw_data->get_arb_info = get_arb_info; + hw_data->get_admin_info = get_admin_info; + hw_data->get_sku = get_sku; + hw_data->fw_name = ADF_4XXX_FW; + hw_data->fw_mmp_name = ADF_4XXX_MMP; + hw_data->init_admin_comms = adf_init_admin_comms; + hw_data->exit_admin_comms = adf_exit_admin_comms; + hw_data->disable_iov = adf_disable_sriov; + hw_data->send_admin_init = adf_send_admin_init; + hw_data->init_arb = adf_init_arb; + hw_data->exit_arb = adf_exit_arb; + hw_data->get_arb_mapping = adf_get_arbiter_mapping; + hw_data->enable_ints = adf_enable_ints; + hw_data->enable_vf2pf_comms = adf_pf_enable_vf2pf_comms; + hw_data->reset_device = adf_reset_flr; + hw_data->min_iov_compat_ver = ADF_PFVF_COMPATIBILITY_VERSION; + hw_data->admin_ae_mask = ADF_4XXX_ADMIN_AE_MASK; + hw_data->uof_get_num_objs = uof_get_num_objs; + hw_data->uof_get_name = uof_get_name; + hw_data->uof_get_ae_mask = uof_get_ae_mask; + hw_data->set_msix_rttable = set_msix_default_rttable; + + adf_gen4_init_hw_csr_ops(&hw_data->csr_ops); +} + +void adf_clean_hw_data_4xxx(struct adf_hw_device_data *hw_data) +{ + hw_data->dev_class->instances--; +} diff --git a/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.h b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.h new file mode 100644 index 0000000..cdde0be --- /dev/null +++ b/drivers/crypto/qat/qat_4xxx/adf_4xxx_hw_data.h @@ -0,0 +1,75 @@ +/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */ +/* Copyright(c) 2014 - 2020 Intel Corporation */ +#ifndef ADF_4XXX_HW_DATA_H_ +#define ADF_4XXX_HW_DATA_H_ + +#include + +/* PCIe configuration space */ +#define ADF_4XXX_SRAM_BAR 0 +#define ADF_4XXX_PMISC_BAR 1 +#define ADF_4XXX_ETR_BAR 2 +#define ADF_4XXX_RX_RINGS_OFFSET 1 +#define ADF_4XXX_TX_RINGS_MASK 0x1 +#define ADF_4XXX_MAX_ACCELERATORS 1 +#define ADF_4XXX_MAX_ACCELENGINES 9 +#define ADF_4XXX_BAR_MASK (BIT(0) | BIT(2) | BIT(4)) + +/* Physical function fuses */ +#define ADF_4XXX_FUSECTL0_OFFSET (0x2C8) +#define ADF_4XXX_FUSECTL1_OFFSET (0x2CC) +#define ADF_4XXX_FUSECTL2_OFFSET (0x2D0) +#define ADF_4XXX_FUSECTL3_OFFSET (0x2D4) +#define ADF_4XXX_FUSECTL4_OFFSET (0x2D8) +#define ADF_4XXX_FUSECTL5_OFFSET (0x2DC) + +#define ADF_4XXX_ACCELERATORS_MASK (0x1) +#define ADF_4XXX_ACCELENGINES_MASK (0x1FF) +#define ADF_4XXX_ADMIN_AE_MASK (0x100) + +#define ADF_4XXX_ETR_MAX_BANKS 64 + +/* MSIX interrupt */ +#define ADF_4XXX_SMIAPF_RP_X0_MASK_OFFSET (0x41A040) +#define ADF_4XXX_SMIAPF_RP_X1_MASK_OFFSET (0x41A044) +#define ADF_4XXX_SMIAPF_MASK_OFFSET (0x41A084) +#define ADF_4XXX_MSIX_RTTABLE_OFFSET(i) (0x409000 + ((i) * 0x04)) + +/* Bank and ring configuration */ +#define ADF_4XXX_NUM_RINGS_PER_BANK 2 + +/* Error source registers */ +#define ADF_4XXX_ERRSOU0 (0x41A200) +#define ADF_4XXX_ERRSOU1 (0x41A204) +#define ADF_4XXX_ERRSOU2 (0x41A208) +#define ADF_4XXX_ERRSOU3 (0x41A20C) + +/* Error source mask registers */ +#define ADF_4XXX_ERRMSK0 (0x41A210) +#define ADF_4XXX_ERRMSK1 (0x41A214) +#define ADF_4XXX_ERRMSK2 (0x41A218) +#define ADF_4XXX_ERRMSK3 (0x41A21C) + +#define ADF_4XXX_VFLNOTIFY BIT(7) + +/* Arbiter configuration */ +#define ADF_4XXX_ARB_CONFIG (BIT(31) | BIT(6) | BIT(0)) +#define ADF_4XXX_ARB_OFFSET (0x0) +#define ADF_4XXX_ARB_WRK_2_SER_MAP_OFFSET (0x400) + +/* Admin Interface Reg Offset */ +#define ADF_4XXX_ADMINMSGUR_OFFSET (0x500574) +#define ADF_4XXX_ADMINMSGLR_OFFSET (0x500578) +#define ADF_4XXX_MAILBOX_BASE_OFFSET (0x600970) + +/* Firmware Binaries */ +#define ADF_4XXX_FW "qat_4xxx.bin" +#define ADF_4XXX_MMP "qat_4xxx_mmp.bin" +#define ADF_4XXX_SYM_OBJ "qat_4xxx_sym.bin" +#define ADF_4XXX_ASYM_OBJ "qat_4xxx_asym.bin" +#define ADF_4XXX_ADMIN_OBJ "qat_4xxx_admin.bin" + +void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data); +void adf_clean_hw_data_4xxx(struct adf_hw_device_data *hw_data); + +#endif diff --git a/drivers/crypto/qat/qat_4xxx/adf_drv.c b/drivers/crypto/qat/qat_4xxx/adf_drv.c new file mode 100644 index 0000000..de5a955 --- /dev/null +++ b/drivers/crypto/qat/qat_4xxx/adf_drv.c @@ -0,0 +1,320 @@ +// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) +/* Copyright(c) 2020 Intel Corporation */ +#include +#include +#include + +#include +#include +#include + +#include "adf_4xxx_hw_data.h" +#include "qat_crypto.h" +#include "adf_transport_access_macros.h" + +static const struct pci_device_id adf_pci_tbl[] = { + { PCI_VDEVICE(INTEL, ADF_4XXX_PCI_DEVICE_ID), }, + { } +}; +MODULE_DEVICE_TABLE(pci, adf_pci_tbl); + +static void adf_cleanup_accel(struct adf_accel_dev *accel_dev) +{ + if (accel_dev->hw_device) { + adf_clean_hw_data_4xxx(accel_dev->hw_device); + accel_dev->hw_device = NULL; + } + adf_cfg_dev_remove(accel_dev); + debugfs_remove(accel_dev->debugfs_dir); + adf_devmgr_rm_dev(accel_dev, NULL); +} + +static int adf_crypto_dev_config(struct adf_accel_dev *accel_dev) +{ + char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES]; + int banks = GET_MAX_BANKS(accel_dev); + int cpus = num_online_cpus(); + unsigned long bank, val; + int instances; + int ret; + int i; + + if (adf_hw_dev_has_crypto(accel_dev)) + instances = min(cpus, banks / 2); + else + instances = 0; + + ret = adf_cfg_section_add(accel_dev, ADF_KERNEL_SEC); + if (ret) + goto err; + + ret = adf_cfg_section_add(accel_dev, "Accelerator0"); + if (ret) + goto err; + + for (i = 0; i < instances; i++) { + val = i; + bank = i * 2; + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_BANK_NUM, i); + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &bank, ADF_DEC); + if (ret) + goto err; + + bank += 1; + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_BANK_NUM, i); + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &bank, ADF_DEC); + if (ret) + goto err; + + snprintf(key, sizeof(key), ADF_CY "%d" ADF_ETRMGR_CORE_AFFINITY, + i); + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) + goto err; + + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_SIZE, i); + val = 128; + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) + goto err; + + val = 512; + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_SIZE, i); + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) + goto err; + + val = 0; + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_TX, i); + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) + goto err; + + val = 0; + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_TX, i); + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) + goto err; + + val = 1; + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_RX, i); + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) + goto err; + + val = 1; + snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_RX, i); + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, + key, &val, ADF_DEC); + if (ret) + goto err; + + val = ADF_COALESCING_DEF_TIME; + snprintf(key, sizeof(key), ADF_ETRMGR_COALESCE_TIMER_FORMAT, i); + ret = adf_cfg_add_key_value_param(accel_dev, "Accelerator0", + key, &val, ADF_DEC); + if (ret) + goto err; + } + + val = i; + ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_CY, + &val, ADF_DEC); + if (ret) + goto err; + + set_bit(ADF_STATUS_CONFIGURED, &accel_dev->status); + return 0; +err: + dev_err(&GET_DEV(accel_dev), "Failed to start QAT accel dev\n"); + return ret; +} + +static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + struct adf_accel_dev *accel_dev; + struct adf_accel_pci *accel_pci_dev; + struct adf_hw_device_data *hw_data; + char name[ADF_DEVICE_NAME_LENGTH]; + unsigned int i, bar_nr; + unsigned long bar_mask; + struct adf_bar *bar; + int ret; + + if (num_possible_nodes() > 1 && dev_to_node(&pdev->dev) < 0) { + /* + * If the accelerator is connected to a node with no memory + * there is no point in using the accelerator since the remote + * memory transaction will be very slow. + */ + dev_err(&pdev->dev, "Invalid NUMA configuration.\n"); + return -EINVAL; + } + + accel_dev = devm_kzalloc(&pdev->dev, sizeof(*accel_dev), GFP_KERNEL); + if (!accel_dev) + return -ENOMEM; + + INIT_LIST_HEAD(&accel_dev->crypto_list); + accel_pci_dev = &accel_dev->accel_pci_dev; + accel_pci_dev->pci_dev = pdev; + + /* + * Add accel device to accel table + * This should be called before adf_cleanup_accel is called + */ + if (adf_devmgr_add_dev(accel_dev, NULL)) { + dev_err(&pdev->dev, "Failed to add new accelerator device.\n"); + return -EFAULT; + } + + accel_dev->owner = THIS_MODULE; + /* Allocate and initialise device hardware meta-data structure */ + hw_data = devm_kzalloc(&pdev->dev, sizeof(*hw_data), GFP_KERNEL); + if (!hw_data) { + ret = -ENOMEM; + goto out_err; + } + + accel_dev->hw_device = hw_data; + adf_init_hw_data_4xxx(accel_dev->hw_device); + + pci_read_config_byte(pdev, PCI_REVISION_ID, &accel_pci_dev->revid); + pci_read_config_dword(pdev, ADF_4XXX_FUSECTL4_OFFSET, &hw_data->fuses); + + /* Get Accelerators and Accelerators Engines masks */ + hw_data->accel_mask = hw_data->get_accel_mask(hw_data); + hw_data->ae_mask = hw_data->get_ae_mask(hw_data); + accel_pci_dev->sku = hw_data->get_sku(hw_data); + /* If the device has no acceleration engines then ignore it */ + if (!hw_data->accel_mask || !hw_data->ae_mask || + (~hw_data->ae_mask & 0x01)) { + dev_err(&pdev->dev, "No acceleration units found.\n"); + ret = -EFAULT; + goto out_err; + } + + /* Create dev top level debugfs entry */ + snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX, + hw_data->dev_class->name, pci_name(pdev)); + + accel_dev->debugfs_dir = debugfs_create_dir(name, NULL); + + /* Create device configuration table */ + ret = adf_cfg_dev_add(accel_dev); + if (ret) + goto out_err; + + /* Enable PCI device */ + ret = pcim_enable_device(pdev); + if (ret) { + dev_err(&pdev->dev, "Can't enable PCI device.\n"); + goto out_err; + } + + /* Set DMA identifier */ + if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { + if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))) { + dev_err(&pdev->dev, "No usable DMA configuration.\n"); + ret = -EFAULT; + goto out_err; + } else { + pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); + } + } else { + pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); + } + + /* Find and map all the device's BARS */ + bar_mask = pci_select_bars(pdev, IORESOURCE_MEM) & ADF_4XXX_BAR_MASK; + + ret = pcim_iomap_regions_request_all(pdev, bar_mask, pci_name(pdev)); + if (ret) { + dev_err(&pdev->dev, "Failed to map pci regions.\n"); + goto out_err; + } + + i = 0; + for_each_set_bit(bar_nr, &bar_mask, PCI_STD_NUM_BARS) { + bar = &accel_pci_dev->pci_bars[i++]; + bar->virt_addr = pcim_iomap_table(pdev)[bar_nr]; + } + + pci_set_master(pdev); + + if (adf_enable_aer(accel_dev)) { + dev_err(&pdev->dev, "Failed to enable aer.\n"); + ret = -EFAULT; + goto out_err; + } + + if (pci_save_state(pdev)) { + dev_err(&pdev->dev, "Failed to save pci state.\n"); + ret = -ENOMEM; + goto out_err_disable_aer; + } + + ret = adf_crypto_dev_config(accel_dev); + if (ret) + goto out_err_disable_aer; + + ret = adf_dev_init(accel_dev); + if (ret) + goto out_err_dev_shutdown; + + ret = adf_dev_start(accel_dev); + if (ret) + goto out_err_dev_stop; + + return ret; + +out_err_dev_stop: + adf_dev_stop(accel_dev); +out_err_dev_shutdown: + adf_dev_shutdown(accel_dev); +out_err_disable_aer: + adf_disable_aer(accel_dev); +out_err: + adf_cleanup_accel(accel_dev); + return ret; +} + +static void adf_remove(struct pci_dev *pdev) +{ + struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev); + + if (!accel_dev) { + pr_err("QAT: Driver removal failed\n"); + return; + } + adf_dev_stop(accel_dev); + adf_dev_shutdown(accel_dev); + adf_disable_aer(accel_dev); + adf_cleanup_accel(accel_dev); +} + +static struct pci_driver adf_driver = { + .id_table = adf_pci_tbl, + .name = ADF_4XXX_DEVICE_NAME, + .probe = adf_probe, + .remove = adf_remove, + .sriov_configure = adf_sriov_configure, +}; + +module_pci_driver(adf_driver); + +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_AUTHOR("Intel"); +MODULE_FIRMWARE(ADF_4XXX_FW); +MODULE_FIRMWARE(ADF_4XXX_MMP); +MODULE_DESCRIPTION("Intel(R) QuickAssist Technology"); +MODULE_VERSION(ADF_DRV_VERSION); +MODULE_SOFTDEP("pre: crypto-intel_qat"); diff --git a/drivers/crypto/qat/qat_common/Makefile b/drivers/crypto/qat/qat_common/Makefile index 25d2851..9c57abd 100644 --- a/drivers/crypto/qat/qat_common/Makefile +++ b/drivers/crypto/qat/qat_common/Makefile @@ -11,6 +11,7 @@ intel_qat-objs := adf_cfg.o \ adf_admin.o \ adf_hw_arbiter.o \ adf_gen2_hw_data.o \ + adf_gen4_hw_data.o \ qat_crypto.o \ qat_algs.o \ qat_asym_algs.o \ diff --git a/drivers/crypto/qat/qat_common/adf_accel_devices.h b/drivers/crypto/qat/qat_common/adf_accel_devices.h index 26164d7..c46a580 100644 --- a/drivers/crypto/qat/qat_common/adf_accel_devices.h +++ b/drivers/crypto/qat/qat_common/adf_accel_devices.h @@ -15,6 +15,7 @@ #define ADF_C62XVF_DEVICE_NAME "c6xxvf" #define ADF_C3XXX_DEVICE_NAME "c3xxx" #define ADF_C3XXXVF_DEVICE_NAME "c3xxxvf" +#define ADF_4XXX_DEVICE_NAME "4xxx" #define ADF_4XXX_PCI_DEVICE_ID 0x4940 #define ADF_4XXXIOV_PCI_DEVICE_ID 0x4941 #define ADF_ERRSOU3 (0x3A000 + 0x0C) diff --git a/drivers/crypto/qat/qat_common/adf_cfg_common.h b/drivers/crypto/qat/qat_common/adf_cfg_common.h index 1ef46cc..4fabb70 100644 --- a/drivers/crypto/qat/qat_common/adf_cfg_common.h +++ b/drivers/crypto/qat/qat_common/adf_cfg_common.h @@ -32,7 +32,8 @@ enum adf_device_type { DEV_C62X, DEV_C62XVF, DEV_C3XXX, - DEV_C3XXXVF + DEV_C3XXXVF, + DEV_4XXX, }; struct adf_dev_status_info { diff --git a/drivers/crypto/qat/qat_common/adf_gen4_hw_data.c b/drivers/crypto/qat/qat_common/adf_gen4_hw_data.c new file mode 100644 index 0000000..b72ff58 --- /dev/null +++ b/drivers/crypto/qat/qat_common/adf_gen4_hw_data.c @@ -0,0 +1,101 @@ +// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) +/* Copyright(c) 2020 Intel Corporation */ +#include "adf_accel_devices.h" +#include "adf_gen4_hw_data.h" + +static u64 build_csr_ring_base_addr(dma_addr_t addr, u32 size) +{ + return BUILD_RING_BASE_ADDR(addr, size); +} + +static u32 read_csr_ring_head(void __iomem *csr_base_addr, u32 bank, u32 ring) +{ + return READ_CSR_RING_HEAD(csr_base_addr, bank, ring); +} + +static void write_csr_ring_head(void __iomem *csr_base_addr, u32 bank, u32 ring, + u32 value) +{ + WRITE_CSR_RING_HEAD(csr_base_addr, bank, ring, value); +} + +static u32 read_csr_ring_tail(void __iomem *csr_base_addr, u32 bank, u32 ring) +{ + return READ_CSR_RING_TAIL(csr_base_addr, bank, ring); +} + +static void write_csr_ring_tail(void __iomem *csr_base_addr, u32 bank, u32 ring, + u32 value) +{ + WRITE_CSR_RING_TAIL(csr_base_addr, bank, ring, value); +} + +static u32 read_csr_e_stat(void __iomem *csr_base_addr, u32 bank) +{ + return READ_CSR_E_STAT(csr_base_addr, bank); +} + +static void write_csr_ring_config(void __iomem *csr_base_addr, u32 bank, u32 ring, + u32 value) +{ + WRITE_CSR_RING_CONFIG(csr_base_addr, bank, ring, value); +} + +static void write_csr_ring_base(void __iomem *csr_base_addr, u32 bank, u32 ring, + dma_addr_t addr) +{ + WRITE_CSR_RING_BASE(csr_base_addr, bank, ring, addr); +} + +static void write_csr_int_flag(void __iomem *csr_base_addr, u32 bank, + u32 value) +{ + WRITE_CSR_INT_FLAG(csr_base_addr, bank, value); +} + +static void write_csr_int_srcsel(void __iomem *csr_base_addr, u32 bank) +{ + WRITE_CSR_INT_SRCSEL(csr_base_addr, bank); +} + +static void write_csr_int_col_en(void __iomem *csr_base_addr, u32 bank, u32 value) +{ + WRITE_CSR_INT_COL_EN(csr_base_addr, bank, value); +} + +static void write_csr_int_col_ctl(void __iomem *csr_base_addr, u32 bank, + u32 value) +{ + WRITE_CSR_INT_COL_CTL(csr_base_addr, bank, value); +} + +static void write_csr_int_flag_and_col(void __iomem *csr_base_addr, u32 bank, + u32 value) +{ + WRITE_CSR_INT_FLAG_AND_COL(csr_base_addr, bank, value); +} + +static void write_csr_ring_srv_arb_en(void __iomem *csr_base_addr, u32 bank, + u32 value) +{ + WRITE_CSR_RING_SRV_ARB_EN(csr_base_addr, bank, value); +} + +void adf_gen4_init_hw_csr_ops(struct adf_hw_csr_ops *csr_ops) +{ + csr_ops->build_csr_ring_base_addr = build_csr_ring_base_addr; + csr_ops->read_csr_ring_head = read_csr_ring_head; + csr_ops->write_csr_ring_head = write_csr_ring_head; + csr_ops->read_csr_ring_tail = read_csr_ring_tail; + csr_ops->write_csr_ring_tail = write_csr_ring_tail; + csr_ops->read_csr_e_stat = read_csr_e_stat; + csr_ops->write_csr_ring_config = write_csr_ring_config; + csr_ops->write_csr_ring_base = write_csr_ring_base; + csr_ops->write_csr_int_flag = write_csr_int_flag; + csr_ops->write_csr_int_srcsel = write_csr_int_srcsel; + csr_ops->write_csr_int_col_en = write_csr_int_col_en; + csr_ops->write_csr_int_col_ctl = write_csr_int_col_ctl; + csr_ops->write_csr_int_flag_and_col = write_csr_int_flag_and_col; + csr_ops->write_csr_ring_srv_arb_en = write_csr_ring_srv_arb_en; +} +EXPORT_SYMBOL_GPL(adf_gen4_init_hw_csr_ops); diff --git a/drivers/crypto/qat/qat_common/adf_gen4_hw_data.h b/drivers/crypto/qat/qat_common/adf_gen4_hw_data.h new file mode 100644 index 0000000..8ab62b2 --- /dev/null +++ b/drivers/crypto/qat/qat_common/adf_gen4_hw_data.h @@ -0,0 +1,99 @@ +/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */ +/* Copyright(c) 2020 Intel Corporation */ +#ifndef ADF_GEN4_HW_CSR_DATA_H_ +#define ADF_GEN4_HW_CSR_DATA_H_ + +#include "adf_accel_devices.h" + +/* Transport access */ +#define ADF_BANK_INT_SRC_SEL_MASK 0x44UL +#define ADF_RING_CSR_RING_CONFIG 0x1000 +#define ADF_RING_CSR_RING_LBASE 0x1040 +#define ADF_RING_CSR_RING_UBASE 0x1080 +#define ADF_RING_CSR_RING_HEAD 0x0C0 +#define ADF_RING_CSR_RING_TAIL 0x100 +#define ADF_RING_CSR_E_STAT 0x14C +#define ADF_RING_CSR_INT_FLAG 0x170 +#define ADF_RING_CSR_INT_SRCSEL 0x174 +#define ADF_RING_CSR_INT_COL_CTL 0x180 +#define ADF_RING_CSR_INT_FLAG_AND_COL 0x184 +#define ADF_RING_CSR_INT_COL_CTL_ENABLE 0x80000000 +#define ADF_RING_CSR_INT_COL_EN 0x17C +#define ADF_RING_CSR_ADDR_OFFSET 0x100000 +#define ADF_RING_BUNDLE_SIZE 0x2000 + +#define BUILD_RING_BASE_ADDR(addr, size) \ + ((((addr) >> 6) & (GENMASK_ULL(63, 0) << (size))) << 6) +#define READ_CSR_RING_HEAD(csr_base_addr, bank, ring) \ + ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (bank) + \ + ADF_RING_CSR_RING_HEAD + ((ring) << 2)) +#define READ_CSR_RING_TAIL(csr_base_addr, bank, ring) \ + ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (bank) + \ + ADF_RING_CSR_RING_TAIL + ((ring) << 2)) +#define READ_CSR_E_STAT(csr_base_addr, bank) \ + ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_E_STAT) +#define WRITE_CSR_RING_CONFIG(csr_base_addr, bank, ring, value) \ + ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (bank) + \ + ADF_RING_CSR_RING_CONFIG + ((ring) << 2), value) +#define WRITE_CSR_RING_BASE(csr_base_addr, bank, ring, value) \ +do { \ + void __iomem *_csr_base_addr = csr_base_addr; \ + u32 _bank = bank; \ + u32 _ring = ring; \ + dma_addr_t _value = value; \ + u32 l_base = 0, u_base = 0; \ + l_base = lower_32_bits(_value); \ + u_base = upper_32_bits(_value); \ + ADF_CSR_WR((_csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (_bank) + \ + ADF_RING_CSR_RING_LBASE + ((_ring) << 2), l_base); \ + ADF_CSR_WR((_csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (_bank) + \ + ADF_RING_CSR_RING_UBASE + ((_ring) << 2), u_base); \ +} while (0) + +#define WRITE_CSR_RING_HEAD(csr_base_addr, bank, ring, value) \ + ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (bank) + \ + ADF_RING_CSR_RING_HEAD + ((ring) << 2), value) +#define WRITE_CSR_RING_TAIL(csr_base_addr, bank, ring, value) \ + ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (bank) + \ + ADF_RING_CSR_RING_TAIL + ((ring) << 2), value) +#define WRITE_CSR_INT_FLAG(csr_base_addr, bank, value) \ + ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (bank) + \ + ADF_RING_CSR_INT_FLAG, (value)) +#define WRITE_CSR_INT_SRCSEL(csr_base_addr, bank) \ + ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (bank) + \ + ADF_RING_CSR_INT_SRCSEL, ADF_BANK_INT_SRC_SEL_MASK) +#define WRITE_CSR_INT_COL_EN(csr_base_addr, bank, value) \ + ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (bank) + \ + ADF_RING_CSR_INT_COL_EN, (value)) +#define WRITE_CSR_INT_COL_CTL(csr_base_addr, bank, value) \ + ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (bank) + \ + ADF_RING_CSR_INT_COL_CTL, \ + ADF_RING_CSR_INT_COL_CTL_ENABLE | (value)) +#define WRITE_CSR_INT_FLAG_AND_COL(csr_base_addr, bank, value) \ + ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (bank) + \ + ADF_RING_CSR_INT_FLAG_AND_COL, (value)) + +/* Arbiter configuration */ +#define ADF_RING_CSR_RING_SRV_ARB_EN 0x19C + +#define WRITE_CSR_RING_SRV_ARB_EN(csr_base_addr, bank, value) \ + ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \ + ADF_RING_BUNDLE_SIZE * (bank) + \ + ADF_RING_CSR_RING_SRV_ARB_EN, (value)) + +void adf_gen4_init_hw_csr_ops(struct adf_hw_csr_ops *csr_ops); + +#endif -- 2.7.4