1 /* SPDX-License-Identifier: GPL-2.0-only
2 * Copyright (C) 2020 Marvell.
5 #ifndef __OTX2_CPT_COMMON_H
6 #define __OTX2_CPT_COMMON_H
9 #include <linux/types.h>
10 #include <linux/module.h>
11 #include <linux/delay.h>
12 #include <linux/crypto.h>
13 #include "otx2_cpt_hw_types.h"
17 #define OTX2_CPT_MAX_VFS_NUM 128
18 #define OTX2_CPT_RVU_FUNC_ADDR_S(blk, slot, offs) \
19 (((blk) << 20) | ((slot) << 12) | (offs))
20 #define OTX2_CPT_RVU_PFFUNC(pf, func) \
21 ((((pf) & RVU_PFVF_PF_MASK) << RVU_PFVF_PF_SHIFT) | \
22 (((func) & RVU_PFVF_FUNC_MASK) << RVU_PFVF_FUNC_SHIFT))
24 #define OTX2_CPT_INVALID_CRYPTO_ENG_GRP 0xFF
25 #define OTX2_CPT_NAME_LENGTH 64
26 #define OTX2_CPT_DMA_MINALIGN 128
28 /* HW capability flags */
32 #define BAD_OTX2_CPT_ENG_TYPE OTX2_CPT_MAX_ENG_TYPES
34 enum otx2_cpt_eng_type {
35 OTX2_CPT_AE_TYPES = 1,
36 OTX2_CPT_SE_TYPES = 2,
37 OTX2_CPT_IE_TYPES = 3,
38 OTX2_CPT_MAX_ENG_TYPES,
41 /* Take mbox id from end of CPT mbox range in AF (range 0xA00 - 0xBFF) */
42 #define MBOX_MSG_GET_ENG_GRP_NUM 0xBFF
43 #define MBOX_MSG_GET_CAPS 0xBFD
44 #define MBOX_MSG_GET_KVF_LIMITS 0xBFC
47 * Message request and response to get engine group number
48 * which has attached a given type of engines (SE, AE, IE)
49 * This messages are only used between CPT PF <=> CPT VF
51 struct otx2_cpt_egrp_num_msg {
52 struct mbox_msghdr hdr;
56 struct otx2_cpt_egrp_num_rsp {
57 struct mbox_msghdr hdr;
63 * Message request and response to get kernel crypto limits
64 * This messages are only used between CPT PF <-> CPT VF
66 struct otx2_cpt_kvf_limits_msg {
67 struct mbox_msghdr hdr;
70 struct otx2_cpt_kvf_limits_rsp {
71 struct mbox_msghdr hdr;
75 /* CPT HW capabilities */
76 union otx2_cpt_eng_caps {
89 u64 reserved_14_63:50;
94 * Message request and response to get HW capabilities for each
95 * engine type (SE, IE, AE).
96 * This messages are only used between CPT PF <=> CPT VF
98 struct otx2_cpt_caps_msg {
99 struct mbox_msghdr hdr;
102 struct otx2_cpt_caps_rsp {
103 struct mbox_msghdr hdr;
104 u16 cpt_pf_drv_version;
106 union otx2_cpt_eng_caps eng_caps[OTX2_CPT_MAX_ENG_TYPES];
109 static inline void otx2_cpt_write64(void __iomem *reg_base, u64 blk, u64 slot,
112 writeq_relaxed(val, reg_base +
113 OTX2_CPT_RVU_FUNC_ADDR_S(blk, slot, offs));
116 static inline u64 otx2_cpt_read64(void __iomem *reg_base, u64 blk, u64 slot,
119 return readq_relaxed(reg_base +
120 OTX2_CPT_RVU_FUNC_ADDR_S(blk, slot, offs));
123 static inline bool is_dev_otx2(struct pci_dev *pdev)
125 if (pdev->device == OTX2_CPT_PCI_PF_DEVICE_ID ||
126 pdev->device == OTX2_CPT_PCI_VF_DEVICE_ID)
132 static inline void otx2_cpt_set_hw_caps(struct pci_dev *pdev,
133 unsigned long *cap_flag)
135 if (!is_dev_otx2(pdev)) {
136 __set_bit(CN10K_MBOX, cap_flag);
137 __set_bit(CN10K_LMTST, cap_flag);
142 int otx2_cpt_send_ready_msg(struct otx2_mbox *mbox, struct pci_dev *pdev);
143 int otx2_cpt_send_mbox_msg(struct otx2_mbox *mbox, struct pci_dev *pdev);
145 int otx2_cpt_send_af_reg_requests(struct otx2_mbox *mbox,
146 struct pci_dev *pdev);
147 int otx2_cpt_add_read_af_reg(struct otx2_mbox *mbox, struct pci_dev *pdev,
148 u64 reg, u64 *val, int blkaddr);
149 int otx2_cpt_add_write_af_reg(struct otx2_mbox *mbox, struct pci_dev *pdev,
150 u64 reg, u64 val, int blkaddr);
151 int otx2_cpt_read_af_reg(struct otx2_mbox *mbox, struct pci_dev *pdev,
152 u64 reg, u64 *val, int blkaddr);
153 int otx2_cpt_write_af_reg(struct otx2_mbox *mbox, struct pci_dev *pdev,
154 u64 reg, u64 val, int blkaddr);
155 struct otx2_cptlfs_info;
156 int otx2_cpt_attach_rscrs_msg(struct otx2_cptlfs_info *lfs);
157 int otx2_cpt_detach_rsrcs_msg(struct otx2_cptlfs_info *lfs);
158 int otx2_cpt_msix_offset_msg(struct otx2_cptlfs_info *lfs);
160 #endif /* __OTX2_CPT_COMMON_H */