diff options
Diffstat (limited to 'drivers/crypto/marvell/octeontx2/otx2_cpt_common.h')
| -rw-r--r-- | drivers/crypto/marvell/octeontx2/otx2_cpt_common.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cpt_common.h b/drivers/crypto/marvell/octeontx2/otx2_cpt_common.h new file mode 100644 index 000000000..6019066a6 --- /dev/null +++ b/drivers/crypto/marvell/octeontx2/otx2_cpt_common.h @@ -0,0 +1,160 @@ +/* SPDX-License-Identifier: GPL-2.0-only + * Copyright (C) 2020 Marvell. + */ + +#ifndef __OTX2_CPT_COMMON_H +#define __OTX2_CPT_COMMON_H + +#include <linux/pci.h> +#include <linux/types.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/crypto.h> +#include <net/devlink.h> +#include "otx2_cpt_hw_types.h" +#include "rvu.h" +#include "mbox.h" + +#define OTX2_CPT_MAX_VFS_NUM 128 +#define OTX2_CPT_RVU_FUNC_ADDR_S(blk, slot, offs) \ + (((blk) << 20) | ((slot) << 12) | (offs)) +#define OTX2_CPT_RVU_PFFUNC(pf, func) \ + ((((pf) & RVU_PFVF_PF_MASK) << RVU_PFVF_PF_SHIFT) | \ + (((func) & RVU_PFVF_FUNC_MASK) << RVU_PFVF_FUNC_SHIFT)) + +#define OTX2_CPT_INVALID_CRYPTO_ENG_GRP 0xFF +#define OTX2_CPT_NAME_LENGTH 64 +#define OTX2_CPT_DMA_MINALIGN 128 + +/* HW capability flags */ +#define CN10K_MBOX 0 +#define CN10K_LMTST 1 + +#define BAD_OTX2_CPT_ENG_TYPE OTX2_CPT_MAX_ENG_TYPES + +enum otx2_cpt_eng_type { + OTX2_CPT_AE_TYPES = 1, + OTX2_CPT_SE_TYPES = 2, + OTX2_CPT_IE_TYPES = 3, + OTX2_CPT_MAX_ENG_TYPES, +}; + +/* Take mbox id from end of CPT mbox range in AF (range 0xA00 - 0xBFF) */ +#define MBOX_MSG_GET_ENG_GRP_NUM 0xBFF +#define MBOX_MSG_GET_CAPS 0xBFD +#define MBOX_MSG_GET_KVF_LIMITS 0xBFC + +/* + * Message request and response to get engine group number + * which has attached a given type of engines (SE, AE, IE) + * This messages are only used between CPT PF <=> CPT VF + */ +struct otx2_cpt_egrp_num_msg { + struct mbox_msghdr hdr; + u8 eng_type; +}; + +struct otx2_cpt_egrp_num_rsp { + struct mbox_msghdr hdr; + u8 eng_type; + u8 eng_grp_num; +}; + +/* + * Message request and response to get kernel crypto limits + * This messages are only used between CPT PF <-> CPT VF + */ +struct otx2_cpt_kvf_limits_msg { + struct mbox_msghdr hdr; +}; + +struct otx2_cpt_kvf_limits_rsp { + struct mbox_msghdr hdr; + u8 kvf_limits; +}; + +/* CPT HW capabilities */ +union otx2_cpt_eng_caps { + u64 u; + struct { + u64 reserved_0_4:5; + u64 mul:1; + u64 sha1_sha2:1; + u64 chacha20:1; + u64 zuc_snow3g:1; + u64 sha3:1; + u64 aes:1; + u64 kasumi:1; + u64 des:1; + u64 crc:1; + u64 reserved_14_63:50; + }; +}; + +/* + * Message request and response to get HW capabilities for each + * engine type (SE, IE, AE). + * This messages are only used between CPT PF <=> CPT VF + */ +struct otx2_cpt_caps_msg { + struct mbox_msghdr hdr; +}; + +struct otx2_cpt_caps_rsp { + struct mbox_msghdr hdr; + u16 cpt_pf_drv_version; + u8 cpt_revision; + union otx2_cpt_eng_caps eng_caps[OTX2_CPT_MAX_ENG_TYPES]; +}; + +static inline void otx2_cpt_write64(void __iomem *reg_base, u64 blk, u64 slot, + u64 offs, u64 val) +{ + writeq_relaxed(val, reg_base + + OTX2_CPT_RVU_FUNC_ADDR_S(blk, slot, offs)); +} + +static inline u64 otx2_cpt_read64(void __iomem *reg_base, u64 blk, u64 slot, + u64 offs) +{ + return readq_relaxed(reg_base + + OTX2_CPT_RVU_FUNC_ADDR_S(blk, slot, offs)); +} + +static inline bool is_dev_otx2(struct pci_dev *pdev) +{ + if (pdev->device == OTX2_CPT_PCI_PF_DEVICE_ID || + pdev->device == OTX2_CPT_PCI_VF_DEVICE_ID) + return true; + + return false; +} + +static inline void otx2_cpt_set_hw_caps(struct pci_dev *pdev, + unsigned long *cap_flag) +{ + if (!is_dev_otx2(pdev)) { + __set_bit(CN10K_MBOX, cap_flag); + __set_bit(CN10K_LMTST, cap_flag); + } +} + + +int otx2_cpt_send_ready_msg(struct otx2_mbox *mbox, struct pci_dev *pdev); +int otx2_cpt_send_mbox_msg(struct otx2_mbox *mbox, struct pci_dev *pdev); + +int otx2_cpt_send_af_reg_requests(struct otx2_mbox *mbox, + struct pci_dev *pdev); +int otx2_cpt_add_write_af_reg(struct otx2_mbox *mbox, struct pci_dev *pdev, + u64 reg, u64 val, int blkaddr); +int otx2_cpt_read_af_reg(struct otx2_mbox *mbox, struct pci_dev *pdev, + u64 reg, u64 *val, int blkaddr); +int otx2_cpt_write_af_reg(struct otx2_mbox *mbox, struct pci_dev *pdev, + u64 reg, u64 val, int blkaddr); +struct otx2_cptlfs_info; +int otx2_cpt_attach_rscrs_msg(struct otx2_cptlfs_info *lfs); +int otx2_cpt_detach_rsrcs_msg(struct otx2_cptlfs_info *lfs); +int otx2_cpt_msix_offset_msg(struct otx2_cptlfs_info *lfs); +int otx2_cpt_sync_mbox_msg(struct otx2_mbox *mbox); + +#endif /* __OTX2_CPT_COMMON_H */ |