1 files changed, 303 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..ad01d99e6
--- /dev/null
+++ b/drivers/crypto/qat/qat_common/adf_accel_devices.h
@@ -0,0 +1,303 @@
+/* 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"
+#include "adf_pfvf_msg.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_4XXX_DEVICE_NAME "4xxx"
+#define ADF_4XXX_PCI_DEVICE_ID 0x4940
+#define ADF_4XXXIOV_PCI_DEVICE_ID 0x4941
+#define ADF_401XX_PCI_DEVICE_ID 0x4942
+#define ADF_401XXIOV_PCI_DEVICE_ID 0x4943
+#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;
+};
+
+struct adf_irq {
+	bool enabled;
+	char name[ADF_MAX_MSIX_VECTOR_NAME];
+};
+
+struct adf_accel_msix {
+	struct adf_irq *irqs;
+	u32 num_entries;
+};
+
+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;
+};
+
+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;
+};
+
+struct arb_info {
+	u32 arb_cfg;
+	u32 arb_offset;
+	u32 wt2sam_offset;
+};
+
+struct admin_info {
+	u32 admin_msg_ur;
+	u32 admin_msg_lr;
+	u32 mailbox_offset;
+};
+
+struct adf_hw_csr_ops {
+	u64 (*build_csr_ring_base_addr)(dma_addr_t addr, u32 size);
+	u32 (*read_csr_ring_head)(void __iomem *csr_base_addr, u32 bank,
+				  u32 ring);
+	void (*write_csr_ring_head)(void __iomem *csr_base_addr, u32 bank,
+				    u32 ring, u32 value);
+	u32 (*read_csr_ring_tail)(void __iomem *csr_base_addr, u32 bank,
+				  u32 ring);
+	void (*write_csr_ring_tail)(void __iomem *csr_base_addr, u32 bank,
+				    u32 ring, u32 value);
+	u32 (*read_csr_e_stat)(void __iomem *csr_base_addr, u32 bank);
+	void (*write_csr_ring_config)(void __iomem *csr_base_addr, u32 bank,
+				      u32 ring, u32 value);
+	void (*write_csr_ring_base)(void __iomem *csr_base_addr, u32 bank,
+				    u32 ring, dma_addr_t addr);
+	void (*write_csr_int_flag)(void __iomem *csr_base_addr, u32 bank,
+				   u32 value);
+	void (*write_csr_int_srcsel)(void __iomem *csr_base_addr, u32 bank);
+	void (*write_csr_int_col_en)(void __iomem *csr_base_addr, u32 bank,
+				     u32 value);
+	void (*write_csr_int_col_ctl)(void __iomem *csr_base_addr, u32 bank,
+				      u32 value);
+	void (*write_csr_int_flag_and_col)(void __iomem *csr_base_addr,
+					   u32 bank, u32 value);
+	void (*write_csr_ring_srv_arb_en)(void __iomem *csr_base_addr, u32 bank,
+					  u32 value);
+};
+
+struct adf_cfg_device_data;
+struct adf_accel_dev;
+struct adf_etr_data;
+struct adf_etr_ring_data;
+
+struct adf_pfvf_ops {
+	int (*enable_comms)(struct adf_accel_dev *accel_dev);
+	u32 (*get_pf2vf_offset)(u32 i);
+	u32 (*get_vf2pf_offset)(u32 i);
+	void (*enable_vf2pf_interrupts)(void __iomem *pmisc_addr, u32 vf_mask);
+	void (*disable_all_vf2pf_interrupts)(void __iomem *pmisc_addr);
+	u32 (*disable_pending_vf2pf_interrupts)(void __iomem *pmisc_addr);
+	int (*send_msg)(struct adf_accel_dev *accel_dev, struct pfvf_message msg,
+			u32 pfvf_offset, struct mutex *csr_lock);
+	struct pfvf_message (*recv_msg)(struct adf_accel_dev *accel_dev,
+					u32 pfvf_offset, u8 compat_ver);
+};
+
+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_accel_cap)(struct adf_accel_dev *accel_dev);
+	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);
+	void (*get_arb_info)(struct arb_info *arb_csrs_info);
+	void (*get_admin_info)(struct admin_info *admin_csrs_info);
+	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);
+	const u32 *(*get_arb_mapping)(void);
+	int (*init_device)(struct adf_accel_dev *accel_dev);
+	int (*enable_pm)(struct adf_accel_dev *accel_dev);
+	bool (*handle_pm_interrupt)(struct adf_accel_dev *accel_dev);
+	void (*disable_iov)(struct adf_accel_dev *accel_dev);
+	void (*configure_iov_threads)(struct adf_accel_dev *accel_dev,
+				      bool enable);
+	void (*enable_ints)(struct adf_accel_dev *accel_dev);
+	void (*set_ssm_wdtimer)(struct adf_accel_dev *accel_dev);
+	int (*ring_pair_reset)(struct adf_accel_dev *accel_dev, u32 bank_nr);
+	void (*reset_device)(struct adf_accel_dev *accel_dev);
+	void (*set_msix_rttable)(struct adf_accel_dev *accel_dev);
+	char *(*uof_get_name)(struct adf_accel_dev *accel_dev, u32 obj_num);
+	u32 (*uof_get_num_objs)(void);
+	u32 (*uof_get_ae_mask)(struct adf_accel_dev *accel_dev, u32 obj_num);
+	int (*dev_config)(struct adf_accel_dev *accel_dev);
+	struct adf_pfvf_ops pfvf_ops;
+	struct adf_hw_csr_ops csr_ops;
+	const char *fw_name;
+	const char *fw_mmp_name;
+	u32 fuses;
+	u32 straps;
+	u32 accel_capabilities_mask;
+	u32 extended_dc_capabilities;
+	u32 clock_frequency;
+	u32 instance_id;
+	u16 accel_mask;
+	u32 ae_mask;
+	u32 admin_ae_mask;
+	u16 tx_rings_mask;
+	u16 ring_to_svc_map;
+	u8 tx_rx_gap;
+	u8 num_banks;
+	u16 num_banks_per_vf;
+	u8 num_rings_per_bank;
+	u8 num_accel;
+	u8 num_logical_accel;
+	u8 num_engines;
+};
+
+/* 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 ADF_CFG_NUM_SERVICES	4
+#define ADF_SRV_TYPE_BIT_LEN	3
+#define ADF_SRV_TYPE_MASK	0x7
+
+#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_NUM_RINGS_PER_BANK(accel_dev) \
+	GET_HW_DATA(accel_dev)->num_rings_per_bank
+#define GET_SRV_TYPE(accel_dev, idx) \
+	(((GET_HW_DATA(accel_dev)->ring_to_svc_map) >> (ADF_SRV_TYPE_BIT_LEN * (idx))) \
+	& ADF_SRV_TYPE_MASK)
+#define GET_MAX_ACCELENGINES(accel_dev) (GET_HW_DATA(accel_dev)->num_engines)
+#define GET_CSR_OPS(accel_dev) (&(accel_dev)->hw_device->csr_ops)
+#define GET_PFVF_OPS(accel_dev) (&(accel_dev)->hw_device->pfvf_ops)
+#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 mutex pf2vf_lock; /* protect CSR access for PF2VF messages */
+	struct ratelimit_state vf2pf_ratelimit;
+	u32 vf_nr;
+	bool init;
+	u8 vf_compat_ver;
+};
+
+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 {
+			/* protects VF2PF interrupts access */
+			spinlock_t vf2pf_ints_lock;
+			/* vf_info is non-zero when SR-IOV is init'ed */
+			struct adf_accel_vf_info *vf_info;
+		} pf;
+		struct {
+			bool irq_enabled;
+			char irq_name[ADF_MAX_MSIX_VECTOR_NAME];
+			struct tasklet_struct pf2vf_bh_tasklet;
+			struct mutex vf2pf_lock; /* protect CSR access */
+			struct completion msg_received;
+			struct pfvf_message response; /* temp field holding pf2vf response */
+			u8 pf_compat_ver;
+		} vf;
+	};
+	struct mutex state_lock; /* protect state of the device */
+	bool is_vf;
+	u32 accel_id;
+};
+#endif