diff options
Diffstat (limited to 'drivers/crypto/qat/qat_common/adf_accel_devices.h')
-rw-r--r-- | drivers/crypto/qat/qat_common/adf_accel_devices.h | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_accel_devices.h b/drivers/crypto/qat/qat_common/adf_accel_devices.h new file mode 100644 index 000000000..961a8b365 --- /dev/null +++ b/drivers/crypto/qat/qat_common/adf_accel_devices.h @@ -0,0 +1,209 @@ +/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */ +/* Copyright(c) 2014 - 2020 Intel Corporation */ +#ifndef ADF_ACCEL_DEVICES_H_ +#define ADF_ACCEL_DEVICES_H_ +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/list.h> +#include <linux/io.h> +#include <linux/ratelimit.h> +#include "adf_cfg_common.h" + +#define ADF_DH895XCC_DEVICE_NAME "dh895xcc" +#define ADF_DH895XCCVF_DEVICE_NAME "dh895xccvf" +#define ADF_C62X_DEVICE_NAME "c6xx" +#define ADF_C62XVF_DEVICE_NAME "c6xxvf" +#define ADF_C3XXX_DEVICE_NAME "c3xxx" +#define ADF_C3XXXVF_DEVICE_NAME "c3xxxvf" +#define ADF_ERRSOU3 (0x3A000 + 0x0C) +#define ADF_ERRSOU5 (0x3A000 + 0xD8) +#define ADF_DEVICE_FUSECTL_OFFSET 0x40 +#define ADF_DEVICE_LEGFUSE_OFFSET 0x4C +#define ADF_DEVICE_FUSECTL_MASK 0x80000000 +#define ADF_PCI_MAX_BARS 3 +#define ADF_DEVICE_NAME_LENGTH 32 +#define ADF_ETR_MAX_RINGS_PER_BANK 16 +#define ADF_MAX_MSIX_VECTOR_NAME 48 +#define ADF_DEVICE_NAME_PREFIX "qat_" + +enum adf_accel_capabilities { + ADF_ACCEL_CAPABILITIES_NULL = 0, + ADF_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC = 1, + ADF_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC = 2, + ADF_ACCEL_CAPABILITIES_CIPHER = 4, + ADF_ACCEL_CAPABILITIES_AUTHENTICATION = 8, + ADF_ACCEL_CAPABILITIES_COMPRESSION = 32, + ADF_ACCEL_CAPABILITIES_LZS_COMPRESSION = 64, + ADF_ACCEL_CAPABILITIES_RANDOM_NUMBER = 128 +}; + +struct adf_bar { + resource_size_t base_addr; + void __iomem *virt_addr; + resource_size_t size; +} __packed; + +struct adf_accel_msix { + struct msix_entry *entries; + char **names; + u32 num_entries; +} __packed; + +struct adf_accel_pci { + struct pci_dev *pci_dev; + struct adf_accel_msix msix_entries; + struct adf_bar pci_bars[ADF_PCI_MAX_BARS]; + u8 revid; + u8 sku; +} __packed; + +enum dev_state { + DEV_DOWN = 0, + DEV_UP +}; + +enum dev_sku_info { + DEV_SKU_1 = 0, + DEV_SKU_2, + DEV_SKU_3, + DEV_SKU_4, + DEV_SKU_VF, + DEV_SKU_UNKNOWN, +}; + +static inline const char *get_sku_info(enum dev_sku_info info) +{ + switch (info) { + case DEV_SKU_1: + return "SKU1"; + case DEV_SKU_2: + return "SKU2"; + case DEV_SKU_3: + return "SKU3"; + case DEV_SKU_4: + return "SKU4"; + case DEV_SKU_VF: + return "SKUVF"; + case DEV_SKU_UNKNOWN: + default: + break; + } + return "Unknown SKU"; +} + +struct adf_hw_device_class { + const char *name; + const enum adf_device_type type; + u32 instances; +} __packed; + +struct adf_cfg_device_data; +struct adf_accel_dev; +struct adf_etr_data; +struct adf_etr_ring_data; + +struct adf_hw_device_data { + struct adf_hw_device_class *dev_class; + u32 (*get_accel_mask)(struct adf_hw_device_data *self); + u32 (*get_ae_mask)(struct adf_hw_device_data *self); + u32 (*get_sram_bar_id)(struct adf_hw_device_data *self); + u32 (*get_misc_bar_id)(struct adf_hw_device_data *self); + u32 (*get_etr_bar_id)(struct adf_hw_device_data *self); + u32 (*get_num_aes)(struct adf_hw_device_data *self); + u32 (*get_num_accels)(struct adf_hw_device_data *self); + u32 (*get_pf2vf_offset)(u32 i); + u32 (*get_vintmsk_offset)(u32 i); + enum dev_sku_info (*get_sku)(struct adf_hw_device_data *self); + int (*alloc_irq)(struct adf_accel_dev *accel_dev); + void (*free_irq)(struct adf_accel_dev *accel_dev); + void (*enable_error_correction)(struct adf_accel_dev *accel_dev); + int (*init_admin_comms)(struct adf_accel_dev *accel_dev); + void (*exit_admin_comms)(struct adf_accel_dev *accel_dev); + int (*send_admin_init)(struct adf_accel_dev *accel_dev); + int (*init_arb)(struct adf_accel_dev *accel_dev); + void (*exit_arb)(struct adf_accel_dev *accel_dev); + void (*get_arb_mapping)(struct adf_accel_dev *accel_dev, + const u32 **cfg); + void (*disable_iov)(struct adf_accel_dev *accel_dev); + void (*enable_ints)(struct adf_accel_dev *accel_dev); + int (*enable_vf2pf_comms)(struct adf_accel_dev *accel_dev); + void (*reset_device)(struct adf_accel_dev *accel_dev); + const char *fw_name; + const char *fw_mmp_name; + u32 fuses; + u32 straps; + u32 accel_capabilities_mask; + u32 instance_id; + u16 accel_mask; + u16 ae_mask; + u16 tx_rings_mask; + u8 tx_rx_gap; + u8 num_banks; + u8 num_accel; + u8 num_logical_accel; + u8 num_engines; + u8 min_iov_compat_ver; +} __packed; + +/* CSR write macro */ +#define ADF_CSR_WR(csr_base, csr_offset, val) \ + __raw_writel(val, csr_base + csr_offset) + +/* CSR read macro */ +#define ADF_CSR_RD(csr_base, csr_offset) __raw_readl(csr_base + csr_offset) + +#define GET_DEV(accel_dev) ((accel_dev)->accel_pci_dev.pci_dev->dev) +#define GET_BARS(accel_dev) ((accel_dev)->accel_pci_dev.pci_bars) +#define GET_HW_DATA(accel_dev) (accel_dev->hw_device) +#define GET_MAX_BANKS(accel_dev) (GET_HW_DATA(accel_dev)->num_banks) +#define GET_MAX_ACCELENGINES(accel_dev) (GET_HW_DATA(accel_dev)->num_engines) +#define accel_to_pci_dev(accel_ptr) accel_ptr->accel_pci_dev.pci_dev + +struct adf_admin_comms; +struct icp_qat_fw_loader_handle; +struct adf_fw_loader_data { + struct icp_qat_fw_loader_handle *fw_loader; + const struct firmware *uof_fw; + const struct firmware *mmp_fw; +}; + +struct adf_accel_vf_info { + struct adf_accel_dev *accel_dev; + struct tasklet_struct vf2pf_bh_tasklet; + struct mutex pf2vf_lock; /* protect CSR access for PF2VF messages */ + struct ratelimit_state vf2pf_ratelimit; + u32 vf_nr; + bool init; +}; + +struct adf_accel_dev { + struct adf_etr_data *transport; + struct adf_hw_device_data *hw_device; + struct adf_cfg_device_data *cfg; + struct adf_fw_loader_data *fw_loader; + struct adf_admin_comms *admin; + struct list_head crypto_list; + unsigned long status; + atomic_t ref_count; + struct dentry *debugfs_dir; + struct list_head list; + struct module *owner; + struct adf_accel_pci accel_pci_dev; + union { + struct { + /* vf_info is non-zero when SR-IOV is init'ed */ + struct adf_accel_vf_info *vf_info; + } pf; + struct { + char *irq_name; + struct tasklet_struct pf2vf_bh_tasklet; + struct mutex vf2pf_lock; /* protect CSR access */ + struct completion iov_msg_completion; + u8 compatible; + u8 pf_version; + } vf; + }; + bool is_vf; + u32 accel_id; +} __packed; +#endif |