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Message-ID: <1596809360-12597-3-git-send-email-schalla@marvell.com>
Date: Fri, 7 Aug 2020 19:39:19 +0530
From: Srujana Challa <schalla@...vell.com>
To: <herbert@...dor.apana.org.au>
CC: <davem@...emloft.net>, <netdev@...r.kernel.org>,
<linux-crypto@...r.kernel.org>, <schandran@...vell.com>,
<pathreya@...vell.com>, <sgoutham@...vell.com>,
<lcherian@...vell.com>, <gakula@...vell.com>, <jerinj@...vell.com>,
Srujana Challa <schalla@...vell.com>
Subject: [PATCH v2 2/3] drivers: crypto: add support for OCTEONTX2 CPT engine
Add support for the cryptographic acceleration unit (CPT) on
OcteonTX2 CN96XX SoC.
Signed-off-by: Srujana Challa <schalla@...vell.com>
---
drivers/crypto/marvell/Kconfig | 13 +
drivers/crypto/marvell/Makefile | 1 +
drivers/crypto/marvell/octeontx2/Makefile | 7 +
drivers/crypto/marvell/octeontx2/otx2_cpt_common.h | 53 +
.../crypto/marvell/octeontx2/otx2_cpt_hw_types.h | 567 +++++
.../marvell/octeontx2/otx2_cpt_mbox_common.c | 286 +++
.../marvell/octeontx2/otx2_cpt_mbox_common.h | 100 +
drivers/crypto/marvell/octeontx2/otx2_cpt_reqmgr.h | 81 +
drivers/crypto/marvell/octeontx2/otx2_cptlf.h | 365 ++++
drivers/crypto/marvell/octeontx2/otx2_cptpf.h | 79 +
drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c | 599 ++++++
drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c | 694 +++++++
.../crypto/marvell/octeontx2/otx2_cptpf_ucode.c | 2173 ++++++++++++++++++++
.../crypto/marvell/octeontx2/otx2_cptpf_ucode.h | 180 ++
drivers/crypto/marvell/octeontx2/otx2_cptvf.h | 24 +
15 files changed, 5222 insertions(+)
create mode 100644 drivers/crypto/marvell/octeontx2/Makefile
create mode 100644 drivers/crypto/marvell/octeontx2/otx2_cpt_common.h
create mode 100644 drivers/crypto/marvell/octeontx2/otx2_cpt_hw_types.h
create mode 100644 drivers/crypto/marvell/octeontx2/otx2_cpt_mbox_common.c
create mode 100644 drivers/crypto/marvell/octeontx2/otx2_cpt_mbox_common.h
create mode 100644 drivers/crypto/marvell/octeontx2/otx2_cpt_reqmgr.h
create mode 100644 drivers/crypto/marvell/octeontx2/otx2_cptlf.h
create mode 100644 drivers/crypto/marvell/octeontx2/otx2_cptpf.h
create mode 100644 drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c
create mode 100644 drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c
create mode 100644 drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c
create mode 100644 drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.h
create mode 100644 drivers/crypto/marvell/octeontx2/otx2_cptvf.h
diff --git a/drivers/crypto/marvell/Kconfig b/drivers/crypto/marvell/Kconfig
index 1306338..aaf55f1 100644
--- a/drivers/crypto/marvell/Kconfig
+++ b/drivers/crypto/marvell/Kconfig
@@ -35,3 +35,16 @@ config CRYPTO_DEV_OCTEONTX_CPT
To compile this driver as module, choose M here:
the modules will be called octeontx-cpt and octeontx-cptvf
+
+config CRYPTO_DEV_OCTEONTX2_CPT
+ tristate "Support for Marvell OcteonTX2 CPT driver"
+ depends on ARCH_THUNDER || COMPILE_TEST
+ depends on PCI_MSI && 64BIT
+ select OCTEONTX2_MBOX
+ select CRYPTO_DEV_MARVELL
+ help
+ This driver allows you to utilize the Marvell Cryptographic
+ Accelerator Unit(CPT) found in OcteonTX2 series of processors.
+
+ To compile this driver as module, choose M here:
+ the modules will be called octeontx2-cpt and octeontx2-cptvf
diff --git a/drivers/crypto/marvell/Makefile b/drivers/crypto/marvell/Makefile
index 6c6a151..39db6d9 100644
--- a/drivers/crypto/marvell/Makefile
+++ b/drivers/crypto/marvell/Makefile
@@ -2,3 +2,4 @@
obj-$(CONFIG_CRYPTO_DEV_MARVELL_CESA) += cesa/
obj-$(CONFIG_CRYPTO_DEV_OCTEONTX_CPT) += octeontx/
+obj-$(CONFIG_CRYPTO_DEV_OCTEONTX2_CPT) += octeontx2/
diff --git a/drivers/crypto/marvell/octeontx2/Makefile b/drivers/crypto/marvell/octeontx2/Makefile
new file mode 100644
index 0000000..d5d8f96
--- /dev/null
+++ b/drivers/crypto/marvell/octeontx2/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_CRYPTO_DEV_OCTEONTX2_CPT) += octeontx2-cpt.o
+
+octeontx2-cpt-objs := otx2_cptpf_main.o otx2_cptpf_mbox.o otx2_cptpf_ucode.o \
+ otx2_cpt_mbox_common.o
+
+ccflags-y += -I$(srctree)/drivers/net/ethernet/marvell/octeontx2/af
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 0000000..00cd534
--- /dev/null
+++ b/drivers/crypto/marvell/octeontx2/otx2_cpt_common.h
@@ -0,0 +1,53 @@
+/* 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 "otx2_cpt_hw_types.h"
+#include "rvu.h"
+
+#define OTX2_CPT_MAX_VFS_NUM 128
+#define OTX2_CPT_MAX_LFS_NUM 64
+
+#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_RVU_FUNC_ADDR_S(blk, slot, offs) \
+ (((blk) << 20) | ((slot) << 12) | (offs))
+
+#define OTX2_CPT_DMA_MINALIGN 128
+#define OTX2_CPT_INVALID_CRYPTO_ENG_GRP 0xFF
+
+#define OTX2_CPT_NAME_LENGTH 64
+
+#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,
+};
+
+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));
+}
+#endif /* __OTX2_CPT_COMMON_H */
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cpt_hw_types.h b/drivers/crypto/marvell/octeontx2/otx2_cpt_hw_types.h
new file mode 100644
index 0000000..8063259
--- /dev/null
+++ b/drivers/crypto/marvell/octeontx2/otx2_cpt_hw_types.h
@@ -0,0 +1,567 @@
+/* SPDX-License-Identifier: GPL-2.0-only
+ * Copyright (C) 2020 Marvell.
+ */
+
+#ifndef __OTX2_CPT_HW_TYPES_H
+#define __OTX2_CPT_HW_TYPES_H
+
+#include <linux/types.h>
+
+/* Device IDs */
+#define OTX2_CPT_PCI_PF_DEVICE_ID 0xa0FD
+#define OTX2_CPT_PCI_VF_DEVICE_ID 0xa0FE
+
+/* Mailbox interrupts offset */
+#define OTX2_CPT_PF_MBOX_INT 6
+#define OTX2_CPT_PF_INT_VEC_E_MBOXX(x, a) ((x) + (a))
+
+/* Number of MSIX supported in PF */
+#define OTX2_CPT_PF_MSIX_VECTORS 7
+
+/* Maximum supported microcode groups */
+#define OTX2_CPT_MAX_ENGINE_GROUPS 8
+
+/* CPT instruction size in bytes */
+#define OTX2_CPT_INST_SIZE 64
+/*
+ * CPT VF MSIX vectors and their offsets
+ */
+#define OTX2_CPT_VF_MSIX_VECTORS 1
+#define OTX2_CPT_VF_INTR_MBOX_MASK BIT(0)
+
+/* CPT LF MSIX vectors */
+#define OTX2_CPT_LF_MSIX_VECTORS 2
+
+/* OcteonTX2 CPT PF registers */
+#define OTX2_CPT_PF_CONSTANTS (0x0)
+#define OTX2_CPT_PF_RESET (0x100)
+#define OTX2_CPT_PF_DIAG (0x120)
+#define OTX2_CPT_PF_BIST_STATUS (0x160)
+#define OTX2_CPT_PF_ECC0_CTL (0x200)
+#define OTX2_CPT_PF_ECC0_FLIP (0x210)
+#define OTX2_CPT_PF_ECC0_INT (0x220)
+#define OTX2_CPT_PF_ECC0_INT_W1S (0x230)
+#define OTX2_CPT_PF_ECC0_ENA_W1S (0x240)
+#define OTX2_CPT_PF_ECC0_ENA_W1C (0x250)
+#define OTX2_CPT_PF_MBOX_INTX(b) (0x400 | (b) << 3)
+#define OTX2_CPT_PF_MBOX_INT_W1SX(b) (0x420 | (b) << 3)
+#define OTX2_CPT_PF_MBOX_ENA_W1CX(b) (0x440 | (b) << 3)
+#define OTX2_CPT_PF_MBOX_ENA_W1SX(b) (0x460 | (b) << 3)
+#define OTX2_CPT_PF_EXEC_INT (0x500)
+#define OTX2_CPT_PF_EXEC_INT_W1S (0x520)
+#define OTX2_CPT_PF_EXEC_ENA_W1C (0x540)
+#define OTX2_CPT_PF_EXEC_ENA_W1S (0x560)
+#define OTX2_CPT_PF_GX_EN(b) (0x600 | (b) << 3)
+#define OTX2_CPT_PF_EXEC_INFO (0x700)
+#define OTX2_CPT_PF_EXEC_BUSY (0x800)
+#define OTX2_CPT_PF_EXEC_INFO0 (0x900)
+#define OTX2_CPT_PF_EXEC_INFO1 (0x910)
+#define OTX2_CPT_PF_INST_REQ_PC (0x10000)
+#define OTX2_CPT_PF_INST_LATENCY_PC (0x10020)
+#define OTX2_CPT_PF_RD_REQ_PC (0x10040)
+#define OTX2_CPT_PF_RD_LATENCY_PC (0x10060)
+#define OTX2_CPT_PF_RD_UC_PC (0x10080)
+#define OTX2_CPT_PF_ACTIVE_CYCLES_PC (0x10100)
+#define OTX2_CPT_PF_EXE_CTL (0x4000000)
+#define OTX2_CPT_PF_EXE_STATUS (0x4000008)
+#define OTX2_CPT_PF_EXE_CLK (0x4000010)
+#define OTX2_CPT_PF_EXE_DBG_CTL (0x4000018)
+#define OTX2_CPT_PF_EXE_DBG_DATA (0x4000020)
+#define OTX2_CPT_PF_EXE_BIST_STATUS (0x4000028)
+#define OTX2_CPT_PF_EXE_REQ_TIMER (0x4000030)
+#define OTX2_CPT_PF_EXE_MEM_CTL (0x4000038)
+#define OTX2_CPT_PF_EXE_PERF_CTL (0x4001000)
+#define OTX2_CPT_PF_EXE_DBG_CNTX(b) (0x4001100 | (b) << 3)
+#define OTX2_CPT_PF_EXE_PERF_EVENT_CNT (0x4001180)
+#define OTX2_CPT_PF_EXE_EPCI_INBX_CNT(b) (0x4001200 | (b) << 3)
+#define OTX2_CPT_PF_EXE_EPCI_OUTBX_CNT(b) (0x4001240 | (b) << 3)
+#define OTX2_CPT_PF_ENGX_UCODE_BASE(b) (0x4002000 | (b) << 3)
+#define OTX2_CPT_PF_QX_CTL(b) (0x8000000 | (b) << 20)
+#define OTX2_CPT_PF_QX_GMCTL(b) (0x8000020 | (b) << 20)
+#define OTX2_CPT_PF_QX_CTL2(b) (0x8000100 | (b) << 20)
+#define OTX2_CPT_PF_VFX_MBOXX(b, c) (0x8001000 | (b) << 20 | \
+ (c) << 8)
+
+/* OcteonTX2 CPT LF registers */
+#define OTX2_CPT_LF_CTL (0x10)
+#define OTX2_CPT_LF_DONE_WAIT (0x30)
+#define OTX2_CPT_LF_INPROG (0x40)
+#define OTX2_CPT_LF_DONE (0x50)
+#define OTX2_CPT_LF_DONE_ACK (0x60)
+#define OTX2_CPT_LF_DONE_INT_ENA_W1S (0x90)
+#define OTX2_CPT_LF_DONE_INT_ENA_W1C (0xa0)
+#define OTX2_CPT_LF_MISC_INT (0xb0)
+#define OTX2_CPT_LF_MISC_INT_W1S (0xc0)
+#define OTX2_CPT_LF_MISC_INT_ENA_W1S (0xd0)
+#define OTX2_CPT_LF_MISC_INT_ENA_W1C (0xe0)
+#define OTX2_CPT_LF_Q_BASE (0xf0)
+#define OTX2_CPT_LF_Q_SIZE (0x100)
+#define OTX2_CPT_LF_Q_INST_PTR (0x110)
+#define OTX2_CPT_LF_Q_GRP_PTR (0x120)
+#define OTX2_CPT_LF_NQX(a) (0x400 | (a) << 3)
+#define OTX2_CPT_RVU_FUNC_BLKADDR_SHIFT 20
+/* LMT LF registers */
+#define OTX2_CPT_LMT_LFBASE BIT_ULL(OTX2_CPT_RVU_FUNC_BLKADDR_SHIFT)
+#define OTX2_CPT_LMT_LF_LMTLINEX(a) (OTX2_CPT_LMT_LFBASE | 0x000 | \
+ (a) << 12)
+
+/*
+ * Enumeration otx2_cpt_ucode_error_code_e
+ *
+ * Enumerates ucode errors
+ */
+enum otx2_cpt_ucode_comp_code_e {
+ OTX2_CPT_UCC_SUCCESS = 0x00,
+ OTX2_CPT_UCC_INVALID_OPCODE = 0x01,
+
+ /* Scatter gather */
+ OTX2_CPT_UCC_SG_WRITE_LENGTH = 0x02,
+ OTX2_CPT_UCC_SG_LIST = 0x03,
+ OTX2_CPT_UCC_SG_NOT_SUPPORTED = 0x04,
+
+};
+
+/*
+ * Enumeration otx2_cpt_comp_e
+ *
+ * OcteonTX2 CPT Completion Enumeration
+ * Enumerates the values of CPT_RES_S[COMPCODE].
+ */
+enum otx2_cpt_comp_e {
+ OTX2_CPT_COMP_E_NOTDONE = 0x00,
+ OTX2_CPT_COMP_E_GOOD = 0x01,
+ OTX2_CPT_COMP_E_FAULT = 0x02,
+ OTX2_CPT_COMP_E_HWERR = 0x04,
+ OTX2_CPT_COMP_E_INSTERR = 0x05,
+ OTX2_CPT_COMP_E_LAST_ENTRY = 0x06
+};
+
+/*
+ * Enumeration otx2_cpt_vf_int_vec_e
+ *
+ * OcteonTX2 CPT VF MSI-X Vector Enumeration
+ * Enumerates the MSI-X interrupt vectors.
+ */
+enum otx2_cpt_vf_int_vec_e {
+ OTX2_CPT_VF_INT_VEC_E_MBOX = 0x00
+};
+
+/*
+ * Enumeration otx2_cpt_lf_int_vec_e
+ *
+ * OcteonTX2 CPT LF MSI-X Vector Enumeration
+ * Enumerates the MSI-X interrupt vectors.
+ */
+enum otx2_cpt_lf_int_vec_e {
+ OTX2_CPT_LF_INT_VEC_E_MISC = 0x00,
+ OTX2_CPT_LF_INT_VEC_E_DONE = 0x01
+};
+
+/*
+ * Structure otx2_cpt_inst_s
+ *
+ * CPT Instruction Structure
+ * This structure specifies the instruction layout. Instructions are
+ * stored in memory as little-endian unless CPT()_PF_Q()_CTL[INST_BE] is set.
+ * cpt_inst_s_s
+ * Word 0
+ * doneint:1 Done interrupt.
+ * 0 = No interrupts related to this instruction.
+ * 1 = When the instruction completes, CPT()_VQ()_DONE[DONE] will be
+ * incremented,and based on the rules described there an interrupt may
+ * occur.
+ * Word 1
+ * res_addr [127: 64] Result IOVA.
+ * If nonzero, specifies where to write CPT_RES_S.
+ * If zero, no result structure will be written.
+ * Address must be 16-byte aligned.
+ * Bits <63:49> are ignored by hardware; software should use a
+ * sign-extended bit <48> for forward compatibility.
+ * Word 2
+ * grp:10 [171:162] If [WQ_PTR] is nonzero, the SSO guest-group to use when
+ * CPT submits work SSO.
+ * For the SSO to not discard the add-work request, FPA_PF_MAP() must map
+ * [GRP] and CPT()_PF_Q()_GMCTL[GMID] as valid.
+ * tt:2 [161:160] If [WQ_PTR] is nonzero, the SSO tag type to use when CPT
+ * submits work to SSO
+ * tag:32 [159:128] If [WQ_PTR] is nonzero, the SSO tag to use when CPT
+ * submits work to SSO.
+ * Word 3
+ * wq_ptr [255:192] If [WQ_PTR] is nonzero, it is a pointer to a
+ * work-queue entry that CPT submits work to SSO after all context,
+ * output data, and result write operations are visible to other
+ * CNXXXX units and the cores. Bits <2:0> must be zero.
+ * Bits <63:49> are ignored by hardware; software should
+ * use a sign-extended bit <48> for forward compatibility.
+ * Internal:
+ * Bits <63:49>, <2:0> are ignored by hardware, treated as always 0x0.
+ * Word 4
+ * ei0; [319:256] Engine instruction word 0. Passed to the AE/SE.
+ * Word 5
+ * ei1; [383:320] Engine instruction word 1. Passed to the AE/SE.
+ * Word 6
+ * ei2; [447:384] Engine instruction word 1. Passed to the AE/SE.
+ * Word 7
+ * ei3; [511:448] Engine instruction word 1. Passed to the AE/SE.
+ *
+ */
+union otx2_cpt_inst_s {
+ u64 u[8];
+
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 nixtx_addr:60;
+ u64 doneint:1;
+ u64 nixtxl:3;
+#else /* Word 0 - Little Endian */
+ u64 nixtxl:3;
+ u64 doneint:1;
+ u64 nixtx_addr:60;
+#endif /* Word 0 - End */
+ u64 res_addr;
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 2 - Big Endian */
+ u64 rvu_pf_func:16;
+ u64 reserved_172_175:4;
+ u64 grp:10;
+ u64 tt:2;
+ u64 tag:32;
+#else /* Word 2 - Little Endian */
+ u64 tag:32;
+ u64 tt:2;
+ u64 grp:10;
+ u64 reserved_172_175:4;
+ u64 rvu_pf_func:16;
+#endif /* Word 2 - End */
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 3 - Big Endian */
+ u64 wq_ptr:61;
+ u64 reserved_194_193:2;
+ u64 qord:1;
+#else /* Word 3 - Little Endian */
+ u64 qord:1;
+ u64 reserved_194_193:2;
+ u64 wq_ptr:61;
+#endif /* Word 3 - End */
+ u64 ei0;
+ u64 ei1;
+ u64 ei2;
+ u64 ei3;
+ } s;
+};
+
+/*
+ * Structure otx2_cpt_res_s
+ *
+ * CPT Result Structure
+ * The CPT coprocessor writes the result structure after it completes a
+ * CPT_INST_S instruction. The result structure is exactly 16 bytes, and
+ * each instruction completion produces exactly one result structure.
+ *
+ * This structure is stored in memory as little-endian unless
+ * CPT()_PF_Q()_CTL[INST_BE] is set.
+ * cpt_res_s_s
+ * Word 0
+ * doneint:1 [16:16] Done interrupt. This bit is copied from the
+ * corresponding instruction's CPT_INST_S[DONEINT].
+ * compcode:8 [7:0] Indicates completion/error status of the CPT coprocessor
+ * for the associated instruction, as enumerated by CPT_COMP_E.
+ * Core software may write the memory location containing [COMPCODE] to
+ * 0x0 before ringing the doorbell, and then poll for completion by
+ * checking for a nonzero value.
+ * Once the core observes a nonzero [COMPCODE] value in this case,the CPT
+ * coprocessor will have also completed L2/DRAM write operations.
+ * Word 1
+ * reserved
+ *
+ */
+union otx2_cpt_res_s {
+ u64 u[2];
+
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_17_63:47;
+ u64 doneint:1;
+ u64 uc_compcode:8;
+ u64 compcode:8;
+#else /* Word 0 - Little Endian */
+ u64 compcode:8;
+ u64 uc_compcode:8;
+ u64 doneint:1;
+ u64 reserved_17_63:47;
+#endif /* Word 0 - End */
+ u64 reserved_64_127;
+ } s;
+};
+
+/*
+ * Register (RVU_PF_BAR0) cpt#_af_constants1
+ *
+ * CPT AF Constants Register
+ * This register contains implementation-related parameters of CPT.
+ */
+union otx2_cptx_af_constants1 {
+ u64 u;
+ struct otx2_cptx_af_constants1_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_48_63:16;
+ u64 ae:16;
+ u64 ie:16;
+ u64 se:16;
+#else /* Word 0 - Little Endian */
+ u64 se:16;
+ u64 ie:16;
+ u64 ae:16;
+ u64 reserved_48_63:16;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/*
+ * RVU_PFVF_BAR2 - cpt_lf_misc_int
+ *
+ * This register contain the per-queue miscellaneous interrupts.
+ *
+ */
+union otx2_cptx_lf_misc_int {
+ u64 u;
+ struct otx2_cptx_lf_misc_int_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_7_63:57;
+ u64 fault:1;
+ u64 hwerr:1;
+ u64 reserved_4:1;
+ u64 nwrp:1;
+ u64 irde:1;
+ u64 nqerr:1;
+ u64 reserved_0:1;
+#else /* Word 0 - Little Endian */
+ u64 reserved_0:1;
+ u64 nqerr:1;
+ u64 irde:1;
+ u64 nwrp:1;
+ u64 reserved_4:1;
+ u64 hwerr:1;
+ u64 fault:1;
+ u64 reserved_7_63:57;
+#endif
+ } s;
+};
+
+/*
+ * RVU_PFVF_BAR2 - cpt_lf_misc_int_ena_w1s
+ *
+ * This register sets interrupt enable bits.
+ *
+ */
+union otx2_cptx_lf_misc_int_ena_w1s {
+ u64 u;
+ struct otx2_cptx_lf_misc_int_ena_w1s_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_7_63:57;
+ u64 fault:1;
+ u64 hwerr:1;
+ u64 reserved_4:1;
+ u64 nwrp:1;
+ u64 irde:1;
+ u64 nqerr:1;
+ u64 reserved_0:1;
+#else /* Word 0 - Little Endian */
+ u64 reserved_0:1;
+ u64 nqerr:1;
+ u64 irde:1;
+ u64 nwrp:1;
+ u64 reserved_4:1;
+ u64 hwerr:1;
+ u64 fault:1;
+ u64 reserved_7_63:57;
+#endif
+ } s;
+};
+
+/*
+ * RVU_PFVF_BAR2 - cpt_lf_ctl
+ *
+ * This register configures the queue.
+ *
+ * When the queue is not execution-quiescent (see CPT_LF_INPROG[EENA,INFLIGHT]),
+ * software must only write this register with [ENA]=0.
+ */
+union otx2_cptx_lf_ctl {
+ u64 u;
+ struct otx2_cptx_lf_ctl_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_8_63:56;
+ u64 fc_hyst_bits:4;
+ u64 reserved_3:1;
+ u64 fc_up_crossing:1;
+ u64 fc_ena:1;
+ u64 ena:1;
+#else /* Word 0 - Little Endian */
+ u64 ena:1;
+ u64 fc_ena:1;
+ u64 fc_up_crossing:1;
+ u64 reserved_3:1;
+ u64 fc_hyst_bits:4;
+ u64 reserved_8_63:56;
+#endif
+ } s;
+};
+
+/*
+ * RVU_PFVF_BAR2 - cpt_lf_done_wait
+ *
+ * This register specifies the per-queue interrupt coalescing settings.
+ */
+union otx2_cptx_lf_done_wait {
+ u64 u;
+ struct otx2_cptx_lf_done_wait_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_48_63:16;
+ u64 time_wait:16;
+ u64 reserved_20_31:12;
+ u64 num_wait:20;
+#else /* Word 0 - Little Endian */
+ u64 num_wait:20;
+ u64 reserved_20_31:12;
+ u64 time_wait:16;
+ u64 reserved_48_63:16;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/*
+ * RVU_PFVF_BAR2 - cpt_lf_done
+ *
+ * This register contain the per-queue instruction done count.
+ */
+union otx2_cptx_lf_done {
+ u64 u;
+ struct otx2_cptx_lf_done_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_20_63:44;
+ u64 done:20;
+#else /* Word 0 - Little Endian */
+ u64 done:20;
+ u64 reserved_20_63:44;
+#endif /* Word 0 - End */
+ } s;
+};
+
+/*
+ * RVU_PFVF_BAR2 - cpt_lf_inprog
+ *
+ * These registers contain the per-queue instruction in flight registers.
+ *
+ */
+union otx2_cptx_lf_inprog {
+ u64 u;
+ struct otx2_cptx_lf_inprog_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_48_63:16;
+ u64 gwb_cnt:8;
+ u64 grb_cnt:8;
+ u64 grb_partial:1;
+ u64 reserved_18_30:13;
+ u64 grp_drp:1;
+ u64 eena:1;
+ u64 reserved_9_15:7;
+ u64 inflight:9;
+#else /* Word 0 - Little Endian */
+ u64 inflight:9;
+ u64 reserved_9_15:7;
+ u64 eena:1;
+ u64 grp_drp:1;
+ u64 reserved_18_30:13;
+ u64 grb_partial:1;
+ u64 grb_cnt:8;
+ u64 gwb_cnt:8;
+ u64 reserved_48_63:16;
+#endif
+ } s;
+};
+
+/*
+ * RVU_PFVF_BAR2 - cpt_lf_q_base
+ *
+ * CPT initializes these CSR fields to these values on any CPT_LF_Q_BASE write:
+ * _ CPT_LF_Q_INST_PTR[XQ_XOR]=0.
+ * _ CPT_LF_Q_INST_PTR[NQ_PTR]=2.
+ * _ CPT_LF_Q_INST_PTR[DQ_PTR]=2.
+ * _ CPT_LF_Q_GRP_PTR[XQ_XOR]=0.
+ * _ CPT_LF_Q_GRP_PTR[NQ_PTR]=1.
+ * _ CPT_LF_Q_GRP_PTR[DQ_PTR]=1.
+ */
+union otx2_cptx_lf_q_base {
+ u64 u;
+ struct otx2_cptx_lf_q_base_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_53_63:11;
+ u64 addr:46;
+ u64 reserved_1_6:6;
+ u64 fault:1;
+#else /* Word 0 - Little Endian */
+ u64 fault:1;
+ u64 reserved_1_6:6;
+ u64 addr:46;
+ u64 reserved_53_63:11;
+#endif
+ } s;
+};
+
+/*
+ * RVU_PFVF_BAR2 - cpt_lf_q_size
+ *
+ * CPT initializes these CSR fields to these values on any CPT_LF_Q_SIZE write:
+ * _ CPT_LF_Q_INST_PTR[XQ_XOR]=0.
+ * _ CPT_LF_Q_INST_PTR[NQ_PTR]=2.
+ * _ CPT_LF_Q_INST_PTR[DQ_PTR]=2.
+ * _ CPT_LF_Q_GRP_PTR[XQ_XOR]=0.
+ * _ CPT_LF_Q_GRP_PTR[NQ_PTR]=1.
+ * _ CPT_LF_Q_GRP_PTR[DQ_PTR]=1.
+ */
+union otx2_cptx_lf_q_size {
+ u64 u;
+ struct otx2_cptx_lf_q_size_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_15_63:49;
+ u64 size_div40:15;
+#else /* Word 0 - Little Endian */
+ u64 size_div40:15;
+ u64 reserved_15_63:49;
+#endif
+ } s;
+};
+
+/*
+ * RVU_PF_BAR0 - cpt_af_lf_ctl
+ *
+ * This register configures queues. This register should be written only
+ * when the queue is execution-quiescent (see CPT_LF_INPROG[INFLIGHT]).
+ */
+union otx2_cptx_af_lf_ctrl {
+ u64 u;
+ struct otx2_cptx_af_lf_ctrl_s {
+#if defined(__BIG_ENDIAN_BITFIELD) /* Word 0 - Big Endian */
+ u64 reserved_56_63:8;
+ u64 grp:8;
+ u64 reserved_17_47:31;
+ u64 nixtx_en:1;
+ u64 reserved_11_15:5;
+ u64 cont_err:1;
+ u64 pf_func_inst:1;
+ u64 reserved_1_8:8;
+ u64 pri:1;
+#else /* Word 0 - Little Endian */
+ u64 pri:1;
+ u64 reserved_1_8:8;
+ u64 pf_func_inst:1;
+ u64 cont_err:1;
+ u64 reserved_11_15:5;
+ u64 nixtx_en:1;
+ u64 reserved_17_47:31;
+ u64 grp:8;
+ u64 reserved_56_63:8;
+#endif
+ } s;
+};
+
+#endif /* __OTX2_CPT_HW_TYPES_H */
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cpt_mbox_common.c b/drivers/crypto/marvell/octeontx2/otx2_cpt_mbox_common.c
new file mode 100644
index 0000000..1a41d13
--- /dev/null
+++ b/drivers/crypto/marvell/octeontx2/otx2_cpt_mbox_common.c
@@ -0,0 +1,286 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (C) 2020 Marvell. */
+
+#include "otx2_cpt_mbox_common.h"
+
+static inline struct otx2_mbox *get_mbox(struct pci_dev *pdev)
+{
+ struct otx2_cptpf_dev *cptpf;
+ struct otx2_cptvf_dev *cptvf;
+
+ if (pdev->is_physfn) {
+ cptpf = pci_get_drvdata(pdev);
+ return &cptpf->afpf_mbox;
+ }
+ cptvf = pci_get_drvdata(pdev);
+ return &cptvf->pfvf_mbox;
+}
+
+static inline int get_pf_id(struct pci_dev *pdev)
+{
+ struct otx2_cptpf_dev *cptpf;
+
+ if (pdev->is_physfn) {
+ cptpf = pci_get_drvdata(pdev);
+ return cptpf->pf_id;
+ }
+ return 0;
+}
+
+static inline int get_vf_id(struct pci_dev *pdev)
+{
+ struct otx2_cptvf_dev *cptvf;
+
+ if (pdev->is_virtfn) {
+ cptvf = pci_get_drvdata(pdev);
+ return cptvf->vf_id;
+ }
+ return 0;
+}
+
+char *otx2_cpt_get_mbox_opcode_str(int msg_opcode)
+{
+ char *str = "Unknown";
+
+ switch (msg_opcode) {
+ case MBOX_MSG_READY:
+ str = "READY";
+ break;
+
+ case MBOX_MSG_ATTACH_RESOURCES:
+ str = "ATTACH_RESOURCES";
+ break;
+
+ case MBOX_MSG_DETACH_RESOURCES:
+ str = "DETACH_RESOURCES";
+ break;
+
+ case MBOX_MSG_MSIX_OFFSET:
+ str = "MSIX_OFFSET";
+ break;
+
+ case MBOX_MSG_CPT_RD_WR_REGISTER:
+ str = "RD_WR_REGISTER";
+ break;
+
+ case MBOX_MSG_GET_ENG_GRP_NUM:
+ str = "GET_ENG_GRP_NUM";
+ break;
+
+ case MBOX_MSG_RX_INLINE_IPSEC_LF_CFG:
+ str = "RX_INLINE_IPSEC_LF_CFG";
+ break;
+
+ case MBOX_MSG_GET_CAPS:
+ str = "GET_CAPS";
+ break;
+
+ case MBOX_MSG_GET_KCRYPTO_LIMITS:
+ str = "GET_KCRYPTO_LIMITS";
+ break;
+ }
+ return str;
+}
+
+int otx2_cpt_send_mbox_msg(struct pci_dev *pdev)
+{
+ struct otx2_mbox *mbox = get_mbox(pdev);
+ int ret;
+
+ otx2_mbox_msg_send(mbox, 0);
+ ret = otx2_mbox_wait_for_rsp(mbox, 0);
+ if (ret == -EIO) {
+ dev_err(&pdev->dev, "RVU MBOX timeout.\n");
+ return ret;
+ } else if (ret) {
+ dev_err(&pdev->dev, "RVU MBOX error: %d.\n", ret);
+ return -EFAULT;
+ }
+ return ret;
+}
+
+int otx2_cpt_send_ready_msg(struct pci_dev *pdev)
+{
+ struct otx2_mbox *mbox = get_mbox(pdev);
+ struct mbox_msghdr *req;
+
+ req = otx2_mbox_alloc_msg_rsp(mbox, 0, sizeof(*req),
+ sizeof(struct ready_msg_rsp));
+
+ if (req == NULL) {
+ dev_err(&pdev->dev, "RVU MBOX failed to get message.\n");
+ return -EFAULT;
+ }
+
+ req->id = MBOX_MSG_READY;
+ req->sig = OTX2_MBOX_REQ_SIG;
+ req->pcifunc = OTX2_CPT_RVU_PFFUNC(get_pf_id(pdev), get_vf_id(pdev));
+
+ return otx2_cpt_send_mbox_msg(pdev);
+}
+
+int otx2_cpt_attach_rscrs_msg(struct pci_dev *pdev)
+{
+ struct otx2_cptlfs_info *lfs = otx2_cpt_get_lfs_info(pdev);
+ struct otx2_mbox *mbox = get_mbox(pdev);
+ struct rsrc_attach *req;
+ int ret;
+
+ req = (struct rsrc_attach *)
+ otx2_mbox_alloc_msg_rsp(mbox, 0, sizeof(*req),
+ sizeof(struct msg_rsp));
+ if (req == NULL) {
+ dev_err(&pdev->dev, "RVU MBOX failed to get message.\n");
+ return -EFAULT;
+ }
+
+ req->hdr.id = MBOX_MSG_ATTACH_RESOURCES;
+ req->hdr.sig = OTX2_MBOX_REQ_SIG;
+ req->hdr.pcifunc = OTX2_CPT_RVU_PFFUNC(get_pf_id(pdev),
+ get_vf_id(pdev));
+ req->cptlfs = lfs->lfs_num;
+ ret = otx2_cpt_send_mbox_msg(pdev);
+ if (ret)
+ return ret;
+
+ if (!lfs->are_lfs_attached)
+ ret = -EINVAL;
+
+ return ret;
+}
+
+int otx2_cpt_detach_rsrcs_msg(struct pci_dev *pdev)
+{
+ struct otx2_cptlfs_info *lfs = otx2_cpt_get_lfs_info(pdev);
+ struct otx2_mbox *mbox = get_mbox(pdev);
+ struct rsrc_detach *req;
+ int ret;
+
+ req = (struct rsrc_detach *)
+ otx2_mbox_alloc_msg_rsp(mbox, 0, sizeof(*req),
+ sizeof(struct msg_rsp));
+ if (req == NULL) {
+ dev_err(&pdev->dev, "RVU MBOX failed to get message.\n");
+ return -EFAULT;
+ }
+
+ req->hdr.id = MBOX_MSG_DETACH_RESOURCES;
+ req->hdr.sig = OTX2_MBOX_REQ_SIG;
+ req->hdr.pcifunc = OTX2_CPT_RVU_PFFUNC(get_pf_id(pdev),
+ get_vf_id(pdev));
+ ret = otx2_cpt_send_mbox_msg(pdev);
+ if (ret)
+ return ret;
+
+ if (lfs->are_lfs_attached)
+ ret = -EINVAL;
+
+ return ret;
+}
+
+int otx2_cpt_msix_offset_msg(struct pci_dev *pdev)
+{
+ struct otx2_cptlfs_info *lfs = otx2_cpt_get_lfs_info(pdev);
+ struct otx2_mbox *mbox = get_mbox(pdev);
+ struct mbox_msghdr *req;
+ int ret, i;
+
+ req = otx2_mbox_alloc_msg_rsp(mbox, 0, sizeof(*req),
+ sizeof(struct msix_offset_rsp));
+ if (req == NULL) {
+ dev_err(&pdev->dev, "RVU MBOX failed to get message.\n");
+ return -EFAULT;
+ }
+
+ req->id = MBOX_MSG_MSIX_OFFSET;
+ req->sig = OTX2_MBOX_REQ_SIG;
+ req->pcifunc = OTX2_CPT_RVU_PFFUNC(get_pf_id(pdev), get_vf_id(pdev));
+ ret = otx2_cpt_send_mbox_msg(pdev);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < lfs->lfs_num; i++) {
+ if (lfs->lf[i].msix_offset == MSIX_VECTOR_INVALID) {
+ dev_err(&pdev->dev,
+ "Invalid msix offset %d for LF %d\n",
+ lfs->lf[i].msix_offset, i);
+ return -EINVAL;
+ }
+ }
+ return ret;
+}
+
+int otx2_cpt_send_af_reg_requests(struct pci_dev *pdev)
+{
+ return otx2_cpt_send_mbox_msg(pdev);
+}
+
+int otx2_cpt_add_read_af_reg(struct pci_dev *pdev, u64 reg, u64 *val)
+{
+ struct otx2_mbox *mbox = get_mbox(pdev);
+ struct cpt_rd_wr_reg_msg *reg_msg;
+
+ reg_msg = (struct cpt_rd_wr_reg_msg *)
+ otx2_mbox_alloc_msg_rsp(mbox, 0, sizeof(*reg_msg),
+ sizeof(*reg_msg));
+ if (reg_msg == NULL) {
+ dev_err(&pdev->dev, "RVU MBOX failed to get message.\n");
+ return -EFAULT;
+ }
+
+ reg_msg->hdr.id = MBOX_MSG_CPT_RD_WR_REGISTER;
+ reg_msg->hdr.sig = OTX2_MBOX_REQ_SIG;
+ reg_msg->hdr.pcifunc = OTX2_CPT_RVU_PFFUNC(get_pf_id(pdev),
+ get_vf_id(pdev));
+ reg_msg->is_write = 0;
+ reg_msg->reg_offset = reg;
+ reg_msg->ret_val = val;
+
+ return 0;
+}
+
+int otx2_cpt_add_write_af_reg(struct pci_dev *pdev, u64 reg, u64 val)
+{
+ struct otx2_mbox *mbox = get_mbox(pdev);
+ struct cpt_rd_wr_reg_msg *reg_msg;
+
+ reg_msg = (struct cpt_rd_wr_reg_msg *)
+ otx2_mbox_alloc_msg_rsp(mbox, 0, sizeof(*reg_msg),
+ sizeof(*reg_msg));
+ if (reg_msg == NULL) {
+ dev_err(&pdev->dev, "RVU MBOX failed to get message.\n");
+ return -EFAULT;
+ }
+
+ reg_msg->hdr.id = MBOX_MSG_CPT_RD_WR_REGISTER;
+ reg_msg->hdr.sig = OTX2_MBOX_REQ_SIG;
+ reg_msg->hdr.pcifunc = OTX2_CPT_RVU_PFFUNC(get_pf_id(pdev),
+ get_vf_id(pdev));
+ reg_msg->is_write = 1;
+ reg_msg->reg_offset = reg;
+ reg_msg->val = val;
+
+ return 0;
+}
+
+int otx2_cpt_read_af_reg(struct pci_dev *pdev, u64 reg, u64 *val)
+{
+ int ret;
+
+ ret = otx2_cpt_add_read_af_reg(pdev, reg, val);
+ if (ret)
+ return ret;
+
+ return otx2_cpt_send_mbox_msg(pdev);
+}
+
+int otx2_cpt_write_af_reg(struct pci_dev *pdev, u64 reg, u64 val)
+{
+ int ret;
+
+ ret = otx2_cpt_add_write_af_reg(pdev, reg, val);
+ if (ret)
+ return ret;
+
+ return otx2_cpt_send_mbox_msg(pdev);
+}
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cpt_mbox_common.h b/drivers/crypto/marvell/octeontx2/otx2_cpt_mbox_common.h
new file mode 100644
index 0000000..f92b76b
--- /dev/null
+++ b/drivers/crypto/marvell/octeontx2/otx2_cpt_mbox_common.h
@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: GPL-2.0-only
+ * Copyright (C) 2020 Marvell.
+ */
+
+#ifndef __OTX2_CPT_MBOX_COMMON_H
+#define __OTX2_CPT_MBOX_COMMON_H
+
+#include "otx2_cptpf.h"
+#include "otx2_cptvf.h"
+
+/* Take mbox id from end of CPT mbox range in AF (range 0xA00 - 0xBFF) */
+#define MBOX_MSG_RX_INLINE_IPSEC_LF_CFG 0xBFE
+#define MBOX_MSG_GET_ENG_GRP_NUM 0xBFF
+#define MBOX_MSG_GET_CAPS 0xBFD
+#define MBOX_MSG_GET_KCRYPTO_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_eng_grp_num_msg {
+ struct mbox_msghdr hdr;
+ u8 eng_type;
+};
+
+struct otx2_cpt_eng_grp_num_rsp {
+ struct mbox_msghdr hdr;
+ u8 eng_type;
+ u8 eng_grp_num;
+};
+
+/*
+ * Message request to config cpt lf for inline inbound ipsec.
+ * This message is only used between CPT PF <-> CPT VF
+ */
+struct otx2_cpt_rx_inline_lf_cfg {
+ struct mbox_msghdr hdr;
+ u16 sso_pf_func;
+};
+
+/*
+ * 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];
+};
+
+/*
+ * Message request and response to get kernel crypto limits
+ * This messages are only used between CPT PF <-> CPT VF
+ */
+struct otx2_cpt_kcrypto_limits_msg {
+ struct mbox_msghdr hdr;
+};
+
+struct otx2_cpt_kcrypto_limits_rsp {
+ struct mbox_msghdr hdr;
+ u8 kcrypto_limits;
+};
+
+static inline struct otx2_cptlfs_info *
+ otx2_cpt_get_lfs_info(struct pci_dev *pdev)
+{
+ struct otx2_cptpf_dev *cptpf;
+ struct otx2_cptvf_dev *cptvf;
+
+ if (pdev->is_physfn) {
+ cptpf = (struct otx2_cptpf_dev *) pci_get_drvdata(pdev);
+ return &cptpf->lfs;
+ }
+
+ cptvf = (struct otx2_cptvf_dev *) pci_get_drvdata(pdev);
+ return &cptvf->lfs;
+}
+
+int otx2_cpt_send_ready_msg(struct pci_dev *pdev);
+int otx2_cpt_attach_rscrs_msg(struct pci_dev *pdev);
+int otx2_cpt_detach_rsrcs_msg(struct pci_dev *pdev);
+int otx2_cpt_msix_offset_msg(struct pci_dev *pdev);
+
+int otx2_cpt_send_af_reg_requests(struct pci_dev *pdev);
+int otx2_cpt_add_read_af_reg(struct pci_dev *pdev, u64 reg, u64 *val);
+int otx2_cpt_add_write_af_reg(struct pci_dev *pdev, u64 reg, u64 val);
+int otx2_cpt_read_af_reg(struct pci_dev *pdev, u64 reg, u64 *val);
+int otx2_cpt_write_af_reg(struct pci_dev *pdev, u64 reg, u64 val);
+
+int otx2_cpt_send_mbox_msg(struct pci_dev *pdev);
+char *otx2_cpt_get_mbox_opcode_str(int msg_opcode);
+
+#endif /* __OTX2_CPT_MBOX_COMMON_H */
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cpt_reqmgr.h b/drivers/crypto/marvell/octeontx2/otx2_cpt_reqmgr.h
new file mode 100644
index 0000000..b24e2ef
--- /dev/null
+++ b/drivers/crypto/marvell/octeontx2/otx2_cpt_reqmgr.h
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0-only
+ * Copyright (C) 2020 Marvell.
+ */
+
+#ifndef __OTX2_CPT_REQMGR_H
+#define __OTX2_CPT_REQMGR_H
+
+#include "otx2_cpt_common.h"
+
+/* Completion code size and initial value */
+#define OTX2_CPT_COMPLETION_CODE_SIZE 8
+#define OTX2_CPT_COMPLETION_CODE_INIT OTX2_CPT_COMP_E_NOTDONE
+
+union otx2_cpt_opcode {
+ u16 flags;
+ struct {
+ u8 major;
+ u8 minor;
+ } s;
+};
+
+struct otx2_cptvf_request {
+ u32 param1;
+ u32 param2;
+ u16 dlen;
+ union otx2_cpt_opcode opcode;
+};
+
+/*
+ * CPT_INST_S software command definitions
+ * Words EI (0-3)
+ */
+union otx2_cpt_iq_cmd_word0 {
+ u64 u;
+ struct {
+ u16 opcode;
+ u16 param1;
+ u16 param2;
+ u16 dlen;
+ } s;
+};
+
+union otx2_cpt_iq_cmd_word3 {
+ u64 u;
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u64 grp:3;
+ u64 cptr:61;
+#else
+ u64 cptr:61;
+ u64 grp:3;
+#endif
+ } s;
+};
+
+struct otx2_cpt_iq_command {
+ union otx2_cpt_iq_cmd_word0 cmd;
+ u64 dptr;
+ u64 rptr;
+ union otx2_cpt_iq_cmd_word3 cptr;
+};
+
+struct otx2_cpt_pending_entry {
+ void *completion_addr; /* Completion address */
+ void *info;
+ /* Kernel async request callback */
+ void (*callback)(int status, void *arg1, void *arg2);
+ struct crypto_async_request *areq; /* Async request callback arg */
+ u8 resume_sender; /* Notify sender to resume sending requests */
+ u8 busy; /* Entry status (free/busy) */
+};
+
+struct otx2_cpt_pending_queue {
+ struct otx2_cpt_pending_entry *head; /* Head of the queue */
+ u32 front; /* Process work from here */
+ u32 rear; /* Append new work here */
+ u32 pending_count; /* Pending requests count */
+ u32 qlen; /* Queue length */
+ spinlock_t lock; /* Queue lock */
+};
+#endif /* __OTX2_CPT_REQMGR_H */
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptlf.h b/drivers/crypto/marvell/octeontx2/otx2_cptlf.h
new file mode 100644
index 0000000..528f16f
--- /dev/null
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptlf.h
@@ -0,0 +1,365 @@
+/* SPDX-License-Identifier: GPL-2.0-only
+ * Copyright (C) 2020 Marvell.
+ */
+
+#ifndef __OTX2_CPTLF_H
+#define __OTX2_CPTLF_H
+
+#include "otx2_cpt_reqmgr.h"
+
+/*
+ * CPT instruction and pending queues user requested length in CPT_INST_S msgs
+ */
+#define OTX2_CPT_USER_REQUESTED_QLEN_MSGS 8200
+
+/*
+ * CPT instruction queue size passed to HW is in units of 40*CPT_INST_S
+ * messages.
+ */
+#define OTX2_CPT_SIZE_DIV40 (OTX2_CPT_USER_REQUESTED_QLEN_MSGS/40)
+
+/*
+ * CPT instruction and pending queues length in CPT_INST_S messages
+ */
+#define OTX2_CPT_INST_QLEN_MSGS ((OTX2_CPT_SIZE_DIV40 - 1) * 40)
+
+/* CPT instruction queue length in bytes */
+#define OTX2_CPT_INST_QLEN_BYTES (OTX2_CPT_SIZE_DIV40 * 40 * \
+ OTX2_CPT_INST_SIZE)
+
+/* CPT instruction group queue length in bytes */
+#define OTX2_CPT_INST_GRP_QLEN_BYTES (OTX2_CPT_SIZE_DIV40 * 16)
+
+/* CPT FC length in bytes */
+#define OTX2_CPT_Q_FC_LEN 128
+
+/* CPT instruction queue alignment */
+#define OTX2_CPT_INST_Q_ALIGNMENT 128
+
+/* Mask which selects all engine groups */
+#define OTX2_CPT_ALL_ENG_GRPS_MASK 0xFF
+
+/* Queue priority */
+#define OTX2_CPT_QUEUE_HI_PRIO 0x1
+#define OTX2_CPT_QUEUE_LOW_PRIO 0x0
+
+
+struct otx2_cptlf_sysfs_cfg {
+ char name[OTX2_CPT_NAME_LENGTH];
+ struct device_attribute eng_grps_mask_attr;
+ struct device_attribute coalesc_tw_attr;
+ struct device_attribute coalesc_nw_attr;
+ struct device_attribute prio_attr;
+#define OTX2_CPT_ATTRS_NUM 5
+ struct attribute *attrs[OTX2_CPT_ATTRS_NUM];
+ struct attribute_group attr_grp;
+ bool is_sysfs_grp_created;
+};
+
+struct otx2_cpt_inst_queue {
+ u8 *vaddr;
+ u8 *real_vaddr;
+ dma_addr_t dma_addr;
+ dma_addr_t real_dma_addr;
+ u32 size;
+};
+
+struct otx2_cptlfs_info;
+struct otx2_cptlf_wqe {
+ struct tasklet_struct work;
+ struct otx2_cptlfs_info *lfs;
+ u8 lf_num;
+};
+
+struct otx2_cptlf_info {
+ struct otx2_cptlfs_info *lfs; /* Ptr to cptlfs_info struct */
+ struct otx2_cptlf_sysfs_cfg sysfs_cfg; /* LF sysfs config entries */
+ void *lmtline; /* Address of LMTLINE */
+ void *ioreg; /* LMTLINE send register */
+ int msix_offset; /* MSI-X interrupts offset */
+ cpumask_var_t affinity_mask; /* IRQs affinity mask */
+ u8 irq_name[OTX2_CPT_LF_MSIX_VECTORS][32];/* Interrupts name */
+ u8 is_irq_reg[OTX2_CPT_LF_MSIX_VECTORS]; /* Is interrupt registered */
+ u8 slot; /* Slot number of this LF */
+
+ struct otx2_cpt_inst_queue iqueue;/* Instruction queue */
+ struct otx2_cpt_pending_queue pqueue; /* Pending queue */
+ struct otx2_cptlf_wqe *wqe; /* Tasklet work info */
+};
+
+struct otx2_cptlfs_info {
+ /* Registers start address of VF/PF LFs are attached to */
+ void __iomem *reg_base;
+ struct pci_dev *pdev; /* Device LFs are attached to */
+ struct otx2_cptlf_info lf[OTX2_CPT_MAX_LFS_NUM];
+ u8 kcrypto_eng_grp_num; /* Kernel crypto engine group number */
+ u8 are_lfs_attached; /* Whether CPT LFs are attached */
+ u8 lfs_num; /* Number of CPT LFs */
+ u8 kcrypto_limits; /* Kernel crypto limits */
+};
+
+static inline void otx2_cpt_free_instruction_queues(
+ struct otx2_cptlfs_info *lfs)
+{
+ struct otx2_cpt_inst_queue *iq;
+ int i;
+
+ for (i = 0; i < lfs->lfs_num; i++) {
+ iq = &lfs->lf[i].iqueue;
+ if (iq->real_vaddr)
+ dma_free_coherent(&lfs->pdev->dev,
+ iq->size,
+ iq->real_vaddr,
+ iq->real_dma_addr);
+ iq->real_vaddr = NULL;
+ iq->vaddr = NULL;
+ }
+}
+
+static inline int otx2_cpt_alloc_instruction_queues(
+ struct otx2_cptlfs_info *lfs)
+{
+ struct otx2_cpt_inst_queue *iq;
+ int ret = 0, i;
+
+ if (!lfs->lfs_num)
+ return -EINVAL;
+
+ for (i = 0; i < lfs->lfs_num; i++) {
+ iq = &lfs->lf[i].iqueue;
+ iq->size = OTX2_CPT_INST_QLEN_BYTES +
+ OTX2_CPT_Q_FC_LEN +
+ OTX2_CPT_INST_GRP_QLEN_BYTES +
+ OTX2_CPT_INST_Q_ALIGNMENT;
+ iq->real_vaddr = dma_alloc_coherent(&lfs->pdev->dev, iq->size,
+ &iq->real_dma_addr, GFP_KERNEL);
+ if (!iq->real_vaddr) {
+ ret = -ENOMEM;
+ goto error;
+ }
+ iq->vaddr = iq->real_vaddr + OTX2_CPT_INST_GRP_QLEN_BYTES;
+ iq->dma_addr = iq->real_dma_addr + OTX2_CPT_INST_GRP_QLEN_BYTES;
+
+ /* Align pointers */
+ iq->vaddr = PTR_ALIGN(iq->vaddr, OTX2_CPT_INST_Q_ALIGNMENT);
+ iq->dma_addr = PTR_ALIGN(iq->dma_addr,
+ OTX2_CPT_INST_Q_ALIGNMENT);
+ }
+
+ return 0;
+error:
+ otx2_cpt_free_instruction_queues(lfs);
+ return ret;
+}
+
+static inline void otx2_cptlf_set_iqueues_base_addr(
+ struct otx2_cptlfs_info *lfs)
+{
+ union otx2_cptx_lf_q_base lf_q_base;
+ int slot;
+
+ for (slot = 0; slot < lfs->lfs_num; slot++) {
+ lf_q_base.u = lfs->lf[slot].iqueue.dma_addr;
+ otx2_cpt_write64(lfs->reg_base, BLKADDR_CPT0, slot,
+ OTX2_CPT_LF_Q_BASE, lf_q_base.u);
+ }
+}
+
+static inline void otx2_cptlf_do_set_iqueue_size(struct otx2_cptlf_info *lf)
+{
+ union otx2_cptx_lf_q_size lf_q_size = { .u = 0x0 };
+
+ lf_q_size.s.size_div40 = OTX2_CPT_SIZE_DIV40;
+ otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot,
+ OTX2_CPT_LF_Q_SIZE, lf_q_size.u);
+}
+
+static inline void otx2_cptlf_set_iqueues_size(struct otx2_cptlfs_info *lfs)
+{
+ int slot;
+
+ for (slot = 0; slot < lfs->lfs_num; slot++)
+ otx2_cptlf_do_set_iqueue_size(&lfs->lf[slot]);
+}
+
+static inline void otx2_cptlf_do_disable_iqueue(struct otx2_cptlf_info *lf)
+{
+ union otx2_cptx_lf_ctl lf_ctl = { .u = 0x0 };
+ union otx2_cptx_lf_inprog lf_inprog;
+ int timeout = 20;
+
+ /* Disable instructions enqueuing */
+ otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot,
+ OTX2_CPT_LF_CTL, lf_ctl.u);
+
+ /* Wait for instruction queue to become empty */
+ do {
+ lf_inprog.u = otx2_cpt_read64(lf->lfs->reg_base, BLKADDR_CPT0,
+ lf->slot, OTX2_CPT_LF_INPROG);
+ if (!lf_inprog.s.inflight)
+ break;
+
+ usleep_range(10000, 20000);
+ if (timeout-- < 0) {
+ dev_err(&lf->lfs->pdev->dev,
+ "Error LF %d is still busy.\n", lf->slot);
+ break;
+ }
+
+ } while (1);
+
+ /*
+ * Disable executions in the LF's queue,
+ * the queue should be empty at this point
+ */
+ lf_inprog.s.eena = 0x0;
+ otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot,
+ OTX2_CPT_LF_INPROG, lf_inprog.u);
+}
+
+static inline void otx2_cptlf_disable_iqueues(struct otx2_cptlfs_info *lfs)
+{
+ int slot;
+
+ for (slot = 0; slot < lfs->lfs_num; slot++)
+ otx2_cptlf_do_disable_iqueue(&lfs->lf[slot]);
+}
+
+static inline void otx2_cptlf_set_iqueue_enq(struct otx2_cptlf_info *lf,
+ bool enable)
+{
+ union otx2_cptx_lf_ctl lf_ctl;
+
+ lf_ctl.u = otx2_cpt_read64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot,
+ OTX2_CPT_LF_CTL);
+
+ /* Set iqueue's enqueuing */
+ lf_ctl.s.ena = enable ? 0x1 : 0x0;
+ otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot,
+ OTX2_CPT_LF_CTL, lf_ctl.u);
+}
+
+static inline void otx2_cptlf_enable_iqueue_enq(struct otx2_cptlf_info *lf)
+{
+ otx2_cptlf_set_iqueue_enq(lf, true);
+}
+
+static inline void otx2_cptlf_set_iqueue_exec(struct otx2_cptlf_info *lf,
+ bool enable)
+{
+ union otx2_cptx_lf_inprog lf_inprog;
+
+ lf_inprog.u = otx2_cpt_read64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot,
+ OTX2_CPT_LF_INPROG);
+
+ /* Set iqueue's execution */
+ lf_inprog.s.eena = enable ? 0x1 : 0x0;
+ otx2_cpt_write64(lf->lfs->reg_base, BLKADDR_CPT0, lf->slot,
+ OTX2_CPT_LF_INPROG, lf_inprog.u);
+}
+
+static inline void otx2_cptlf_enable_iqueue_exec(struct otx2_cptlf_info *lf)
+{
+ otx2_cptlf_set_iqueue_exec(lf, true);
+}
+
+static inline void otx2_cptlf_disable_iqueue_exec(struct otx2_cptlf_info *lf)
+{
+ otx2_cptlf_set_iqueue_exec(lf, false);
+}
+
+static inline void otx2_cptlf_enable_iqueues(struct otx2_cptlfs_info *lfs)
+{
+ int slot;
+
+ for (slot = 0; slot < lfs->lfs_num; slot++) {
+ otx2_cptlf_enable_iqueue_exec(&lfs->lf[slot]);
+ otx2_cptlf_enable_iqueue_enq(&lfs->lf[slot]);
+ }
+}
+
+static inline void otx2_cpt_fill_inst(union otx2_cpt_inst_s *cptinst,
+ struct otx2_cpt_iq_command *iq_cmd,
+ u64 comp_baddr)
+{
+ cptinst->u[0] = 0x0;
+ cptinst->s.doneint = true;
+ cptinst->s.res_addr = comp_baddr;
+ cptinst->u[2] = 0x0;
+ cptinst->u[3] = 0x0;
+ cptinst->s.ei0 = iq_cmd->cmd.u;
+ cptinst->s.ei1 = iq_cmd->dptr;
+ cptinst->s.ei2 = iq_cmd->rptr;
+ cptinst->s.ei3 = iq_cmd->cptr.u;
+}
+
+#if defined(CONFIG_ARM64)
+static inline long otx2_lmt_flush(void *ioreg)
+{
+ long result = 0;
+
+ __asm__ volatile(".cpu generic+lse\n"
+ "ldeor xzr, %0, [%1]\n"
+ : "=r" (result)
+ : "r" (ioreg) : "memory");
+
+ return result;
+}
+
+#else
+#define otx2_lmt_flush(addr) ({ 0; })
+#endif
+
+/*
+ * On OcteonTX2 platform the parameter insts_num is used as a count of
+ * instructions to be enqueued. The valid values for insts_num are:
+ * 1 - 1 CPT instruction will be enqueued during LMTST operation
+ * 2 - 2 CPT instructions will be enqueued during LMTST operation
+ */
+static inline void otx2_cpt_send_cmd(union otx2_cpt_inst_s *cptinst,
+ u32 insts_num, void *obj)
+{
+ struct otx2_cptlf_info *lf = obj;
+ void *lmtline = lf->lmtline;
+ long ret;
+
+ /*
+ * Make sure memory areas pointed in CPT_INST_S
+ * are flushed before the instruction is sent to CPT
+ */
+ smp_wmb();
+
+ do {
+ /* Copy CPT command to LMTLINE */
+ memcpy(lmtline, cptinst, insts_num * OTX2_CPT_INST_SIZE);
+
+ /*
+ * Make sure compiler does not reorder memcpy and ldeor.
+ * LMTST transactions are always flushed from the write
+ * buffer immediately, a DMB is not required to push out
+ * LMTSTs.
+ */
+ barrier();
+ /*
+ * LDEOR initiates atomic transfer to I/O device
+ * The following will cause the LMTST to fail (the LDEOR
+ * returns zero):
+ * - No stores have been performed to the LMTLINE since it was
+ * last invalidated.
+ * - The bytes which have been stored to LMTLINE since it was
+ * last invalidated form a pattern that is non-contiguous, does
+ * not start at byte 0, or does not end on a 8-byte boundary.
+ * (i.e.comprises a formation of other than 1–16 8-byte
+ * words.)
+ *
+ * These rules are designed such that an operating system
+ * context switch or hypervisor guest switch need have no
+ * knowledge of the LMTST operations; the switch code does not
+ * need to store to LMTCANCEL. Also note as LMTLINE data cannot
+ * be read, there is no information leakage between processes.
+ */
+ ret = otx2_lmt_flush(lf->ioreg);
+
+ } while (!ret);
+}
+#endif /* __OTX2_CPTLF_H */
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf.h b/drivers/crypto/marvell/octeontx2/otx2_cptpf.h
new file mode 100644
index 0000000..d55f831
--- /dev/null
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf.h
@@ -0,0 +1,79 @@
+/* SPDX-License-Identifier: GPL-2.0-only
+ * Copyright (C) 2020 Marvell.
+ */
+
+#ifndef __OTX2_CPTPF_H
+#define __OTX2_CPTPF_H
+
+#include "otx2_cptpf_ucode.h"
+#include "otx2_cptlf.h"
+
+struct otx2_cptpf_dev;
+struct otx2_cptvf_info {
+ struct otx2_cptpf_dev *cptpf; /* PF pointer this VF belongs to */
+ struct work_struct vfpf_mbox_work;
+ struct pci_dev *vf_dev;
+ int vf_id;
+ int intr_idx;
+};
+
+struct otx2_cpt_kvf_limits {
+ struct device_attribute kvf_limits_attr;
+ int lfs_num; /* Number of LFs allocated for kernel VF driver */
+};
+
+/* 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;
+ };
+};
+
+struct otx2_cptpf_dev {
+ void __iomem *reg_base; /* CPT PF registers start address */
+ void __iomem *afpf_mbox_base; /* PF-AF mbox start address */
+ void __iomem *vfpf_mbox_base; /* VF-PF mbox start address */
+ struct pci_dev *pdev; /* PCI device handle */
+ struct otx2_cptvf_info vf[OTX2_CPT_MAX_VFS_NUM];
+ struct otx2_cptlfs_info lfs; /* CPT LFs attached to this PF */
+ struct otx2_cpt_eng_grps eng_grps;/* Engine groups information */
+ /* HW capabilities for each engine type */
+ union otx2_cpt_eng_caps eng_caps[OTX2_CPT_MAX_ENG_TYPES];
+ bool is_eng_caps_discovered;
+
+ /* AF <=> PF mbox */
+ struct otx2_mbox afpf_mbox;
+ struct work_struct afpf_mbox_work;
+ struct workqueue_struct *afpf_mbox_wq;
+
+ /* VF <=> PF mbox */
+ struct otx2_mbox vfpf_mbox;
+ struct workqueue_struct *vfpf_mbox_wq;
+
+ u8 pf_id; /* RVU PF number */
+ u8 max_vfs; /* Maximum number of VFs supported by CPT */
+ u8 enabled_vfs; /* Number of enabled VFs */
+ u8 sso_pf_func_ovrd; /* SSO PF_FUNC override bit */
+ u8 kvf_limits; /* Kernel VF limits */
+};
+
+irqreturn_t otx2_cptpf_afpf_mbox_intr(int irq, void *arg);
+irqreturn_t otx2_cptpf_vfpf_mbox_intr(int irq, void *arg);
+void otx2_cptpf_afpf_mbox_handler(struct work_struct *work);
+void otx2_cptpf_vfpf_mbox_handler(struct work_struct *work);
+int otx2_cptpf_lf_init(struct otx2_cptpf_dev *cptpf, u8 eng_grp_mask,
+ int pri, int lfs_num);
+void otx2_cptpf_lf_cleanup(struct otx2_cptlfs_info *lfs);
+
+#endif /* __OTX2_CPTPF_H */
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c b/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c
new file mode 100644
index 0000000..6721193
--- /dev/null
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_main.c
@@ -0,0 +1,599 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (C) 2020 Marvell. */
+
+#include <linux/firmware.h>
+#include "otx2_cpt_mbox_common.h"
+#include "rvu_reg.h"
+
+#define OTX2_CPT_DRV_NAME "octeontx2-cpt"
+#define OTX2_CPT_DRV_STRING "Marvell OcteonTX2 CPT Physical Function Driver"
+#define OTX2_CPT_DRV_VERSION "1.0"
+
+static void cptpf_enable_vf_flr_intrs(struct otx2_cptpf_dev *cptpf)
+{
+ /* Clear interrupt if any */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_VFFLR_INTX(0),
+ ~0x0ULL);
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_VFFLR_INTX(1),
+ ~0x0ULL);
+
+ /* Enable VF FLR interrupts */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_VFFLR_INT_ENA_W1SX(0), ~0x0ULL);
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_VFFLR_INT_ENA_W1SX(1), ~0x0ULL);
+}
+
+static void cptpf_disable_vf_flr_intrs(struct otx2_cptpf_dev *cptpf)
+{
+ /* Disable VF FLR interrupts */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_VFFLR_INT_ENA_W1CX(0), ~0x0ULL);
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_VFFLR_INT_ENA_W1CX(1), ~0x0ULL);
+
+ /* Clear interrupt if any */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_VFFLR_INTX(0),
+ ~0x0ULL);
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_VFFLR_INTX(1),
+ ~0x0ULL);
+}
+
+static void cptpf_enable_afpf_mbox_intrs(struct otx2_cptpf_dev *cptpf)
+{
+ /* Clear interrupt if any */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_INT, 0x1ULL);
+
+ /* Enable AF-PF interrupt */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_INT_ENA_W1S,
+ 0x1ULL);
+}
+
+static void cptpf_disable_afpf_mbox_intrs(struct otx2_cptpf_dev *cptpf)
+{
+ /* Disable AF-PF interrupt */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_INT_ENA_W1C,
+ 0x1ULL);
+
+ /* Clear interrupt if any */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_INT, 0x1ULL);
+}
+
+static void cptpf_enable_vfpf_mbox_intrs(struct otx2_cptpf_dev *cptpf,
+ int numvfs)
+{
+ int ena_bits;
+
+ /* Clear any pending interrupts */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_VFPF_MBOX_INTX(0), ~0x0ULL);
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_VFPF_MBOX_INTX(1), ~0x0ULL);
+
+ /* Enable VF interrupts for VFs from 0 to 63 */
+ ena_bits = ((numvfs - 1) % 64);
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_VFPF_MBOX_INT_ENA_W1SX(0),
+ GENMASK_ULL(ena_bits, 0));
+
+ if (numvfs > 64) {
+ /* Enable VF interrupts for VFs from 64 to 127 */
+ ena_bits = numvfs - 64 - 1;
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_VFPF_MBOX_INT_ENA_W1SX(1),
+ GENMASK_ULL(ena_bits, 0));
+ }
+}
+
+static void cptpf_disable_vfpf_mbox_intrs(struct otx2_cptpf_dev *cptpf)
+{
+ /* Disable VF-PF interrupts */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_VFPF_MBOX_INT_ENA_W1CX(0), ~0x0ULL);
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_VFPF_MBOX_INT_ENA_W1CX(1), ~0x0ULL);
+
+ /* Clear any pending interrupts */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_VFPF_MBOX_INTX(0), ~0x0ULL);
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_VFPF_MBOX_INTX(1), ~0x0ULL);
+}
+
+static irqreturn_t cptpf_vf_flr_intr(int __always_unused irq, void *arg)
+{
+ struct otx2_cptpf_dev *cptpf = arg;
+
+ /* Clear transaction pending register */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_VFTRPENDX(0),
+ ~0x0ULL);
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_VFTRPENDX(1),
+ ~0x0ULL);
+
+ /* Clear interrupt if any */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_VFFLR_INTX(0),
+ ~0x0ULL);
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_VFFLR_INTX(1),
+ ~0x0ULL);
+
+ return IRQ_HANDLED;
+}
+
+static int cptpf_register_interrupts(struct otx2_cptpf_dev *cptpf)
+{
+ struct pci_dev *pdev = cptpf->pdev;
+ struct device *dev = &pdev->dev;
+ int ret, irq;
+ u32 num_vec;
+
+ num_vec = OTX2_CPT_PF_MSIX_VECTORS;
+
+ /* Enable MSI-X */
+ ret = pci_alloc_irq_vectors(pdev, num_vec, num_vec, PCI_IRQ_MSIX);
+ if (ret < 0) {
+ dev_err(dev, "Request for %d msix vectors failed\n", num_vec);
+ return ret;
+ }
+ irq = pci_irq_vector(pdev, RVU_PF_INT_VEC_VFFLR0);
+ /* Register VF FLR interrupt handler */
+ ret = devm_request_irq(dev, irq, cptpf_vf_flr_intr, 0, "CPTPF FLR0",
+ cptpf);
+ if (ret)
+ return ret;
+
+ irq = pci_irq_vector(pdev, RVU_PF_INT_VEC_VFFLR1);
+ ret = devm_request_irq(dev, irq, cptpf_vf_flr_intr, 0,
+ "CPTPF FLR1", cptpf);
+ if (ret)
+ return ret;
+
+ irq = pci_irq_vector(pdev, RVU_PF_INT_VEC_AFPF_MBOX);
+ /* Register AF-PF mailbox interrupt handler */
+ ret = devm_request_irq(dev, irq, otx2_cptpf_afpf_mbox_intr, 0,
+ "CPTAFPF Mbox", cptpf);
+ if (ret)
+ return ret;
+
+ irq = pci_irq_vector(pdev, RVU_PF_INT_VEC_VFPF_MBOX0);
+ /* Register VF-PF mailbox interrupt handler */
+ ret = devm_request_irq(dev, irq, otx2_cptpf_vfpf_mbox_intr, 0,
+ "CPTVFPF Mbox0", cptpf);
+ if (ret)
+ return ret;
+
+ irq = pci_irq_vector(pdev, RVU_PF_INT_VEC_VFPF_MBOX1);
+ ret = devm_request_irq(dev, irq, otx2_cptpf_vfpf_mbox_intr, 0,
+ "CPTVFPF Mbox1", cptpf);
+
+ return ret;
+}
+
+static int cptpf_afpf_mbox_init(struct otx2_cptpf_dev *cptpf)
+{
+ int err;
+
+ cptpf->afpf_mbox_wq = alloc_workqueue("cpt_afpf_mailbox",
+ WQ_UNBOUND | WQ_HIGHPRI |
+ WQ_MEM_RECLAIM, 1);
+ if (!cptpf->afpf_mbox_wq)
+ return -ENOMEM;
+
+ err = otx2_mbox_init(&cptpf->afpf_mbox, cptpf->afpf_mbox_base,
+ cptpf->pdev, cptpf->reg_base, MBOX_DIR_PFAF, 1);
+ if (err)
+ goto error;
+
+ INIT_WORK(&cptpf->afpf_mbox_work, otx2_cptpf_afpf_mbox_handler);
+ return 0;
+error:
+ destroy_workqueue(cptpf->afpf_mbox_wq);
+ return err;
+}
+
+static int cptpf_vfpf_mbox_init(struct otx2_cptpf_dev *cptpf, int numvfs)
+{
+ int err, i;
+
+ cptpf->vfpf_mbox_wq = alloc_workqueue("cpt_vfpf_mailbox",
+ WQ_UNBOUND | WQ_HIGHPRI |
+ WQ_MEM_RECLAIM, 1);
+ if (!cptpf->vfpf_mbox_wq)
+ return -ENOMEM;
+
+ err = otx2_mbox_init(&cptpf->vfpf_mbox, cptpf->vfpf_mbox_base,
+ cptpf->pdev, cptpf->reg_base, MBOX_DIR_PFVF,
+ numvfs);
+ if (err)
+ goto error;
+
+ for (i = 0; i < numvfs; i++) {
+ cptpf->vf[i].vf_id = i;
+ cptpf->vf[i].cptpf = cptpf;
+ cptpf->vf[i].intr_idx = i % 64;
+ INIT_WORK(&cptpf->vf[i].vfpf_mbox_work,
+ otx2_cptpf_vfpf_mbox_handler);
+ }
+ return 0;
+error:
+ destroy_workqueue(cptpf->vfpf_mbox_wq);
+ return err;
+}
+
+static void cptpf_afpf_mbox_destroy(struct otx2_cptpf_dev *cptpf)
+{
+ destroy_workqueue(cptpf->afpf_mbox_wq);
+ otx2_mbox_destroy(&cptpf->afpf_mbox);
+}
+
+static void cptpf_vfpf_mbox_destroy(struct otx2_cptpf_dev *cptpf)
+{
+ destroy_workqueue(cptpf->vfpf_mbox_wq);
+ otx2_mbox_destroy(&cptpf->vfpf_mbox);
+}
+
+static int cptpf_device_reset(struct otx2_cptpf_dev *cptpf)
+{
+ int timeout = 10, ret;
+ u64 reg = 0;
+
+ ret = otx2_cpt_write_af_reg(cptpf->pdev, CPT_AF_BLK_RST, 0x1);
+ if (ret)
+ return ret;
+
+ do {
+ ret = otx2_cpt_read_af_reg(cptpf->pdev, CPT_AF_BLK_RST,
+ ®);
+ if (ret)
+ return ret;
+
+ if (!((reg >> 63) & 0x1))
+ break;
+
+ usleep_range(10000, 20000);
+ if (timeout-- < 0)
+ return -EBUSY;
+ } while (1);
+
+ return ret;
+}
+
+static int cptpf_device_init(struct otx2_cptpf_dev *cptpf)
+{
+ union otx2_cptx_af_constants1 af_cnsts1 = {0};
+ int ret = 0;
+
+ /* Reset the CPT PF device */
+ ret = cptpf_device_reset(cptpf);
+ if (ret)
+ return ret;
+
+ /* Get number of SE, IE and AE engines */
+ ret = otx2_cpt_read_af_reg(cptpf->pdev, CPT_AF_CONSTANTS1,
+ &af_cnsts1.u);
+ if (ret)
+ return ret;
+
+ cptpf->eng_grps.avail.max_se_cnt = af_cnsts1.s.se;
+ cptpf->eng_grps.avail.max_ie_cnt = af_cnsts1.s.ie;
+ cptpf->eng_grps.avail.max_ae_cnt = af_cnsts1.s.ae;
+
+ /* Disable all cores */
+ ret = otx2_cpt_disable_all_cores(cptpf);
+
+ return ret;
+}
+
+static ssize_t sso_pf_func_ovrd_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct otx2_cptpf_dev *cptpf = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%d\n", cptpf->sso_pf_func_ovrd);
+}
+
+static ssize_t sso_pf_func_ovrd_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct otx2_cptpf_dev *cptpf = dev_get_drvdata(dev);
+ u8 sso_pf_func_ovrd;
+
+ if (kstrtou8(buf, 0, &sso_pf_func_ovrd))
+ return -EINVAL;
+
+ cptpf->sso_pf_func_ovrd = sso_pf_func_ovrd;
+
+ return count;
+}
+
+static ssize_t kvf_limits_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct otx2_cptpf_dev *cptpf = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%d\n", cptpf->kvf_limits);
+}
+
+static ssize_t kvf_limits_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct otx2_cptpf_dev *cptpf = dev_get_drvdata(dev);
+ int lfs_num;
+
+ if (kstrtoint(buf, 0, &lfs_num)) {
+ dev_err(dev, "lfs count %d must be in range [1 - %d]\n",
+ lfs_num, num_online_cpus());
+ return -EINVAL;
+ }
+ if (lfs_num < 1 || lfs_num > num_online_cpus()) {
+ dev_err(dev, "lfs count %d must be in range [1 - %d]\n",
+ lfs_num, num_online_cpus());
+ return -EINVAL;
+ }
+ cptpf->kvf_limits = lfs_num;
+
+ return count;
+}
+
+static DEVICE_ATTR_RW(kvf_limits);
+static DEVICE_ATTR_RW(sso_pf_func_ovrd);
+
+static struct attribute *cptpf_attrs[] = {
+ &dev_attr_kvf_limits.attr,
+ &dev_attr_sso_pf_func_ovrd.attr,
+ NULL
+};
+
+static const struct attribute_group cptpf_sysfs_group = {
+ .attrs = cptpf_attrs,
+};
+
+static int cpt_is_pf_usable(struct otx2_cptpf_dev *cptpf)
+{
+ u64 rev;
+
+ rev = otx2_cpt_read64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_BLOCK_ADDRX_DISC(BLKADDR_RVUM));
+ rev = (rev >> 12) & 0xFF;
+ /*
+ * Check if AF has setup revision for RVUM block, otherwise
+ * driver probe should be deferred until AF driver comes up
+ */
+ if (!rev) {
+ dev_warn(&cptpf->pdev->dev,
+ "AF is not initialized, deferring probe\n");
+ return -EPROBE_DEFER;
+ }
+ return 0;
+}
+
+static int otx2_cptpf_sriov_configure(struct pci_dev *pdev, int numvfs)
+{
+ struct otx2_cptpf_dev *cptpf = pci_get_drvdata(pdev);
+ int ret = 0;
+
+ if (numvfs > cptpf->max_vfs)
+ numvfs = cptpf->max_vfs;
+
+ if (numvfs > 0) {
+ /* Get CPT HW capabilities using LOAD_FVC operation. */
+ ret = otx2_cpt_discover_eng_capabilities(cptpf);
+ if (ret)
+ return ret;
+ ret = otx2_cpt_try_create_default_eng_grps(cptpf->pdev,
+ &cptpf->eng_grps);
+ if (ret)
+ return ret;
+
+ cptpf->enabled_vfs = numvfs;
+
+ ret = pci_enable_sriov(pdev, numvfs);
+ if (ret)
+ goto reset_numvfs;
+
+ otx2_cpt_set_eng_grps_is_rdonly(&cptpf->eng_grps, true);
+ try_module_get(THIS_MODULE);
+ ret = numvfs;
+ } else {
+ pci_disable_sriov(pdev);
+ otx2_cpt_set_eng_grps_is_rdonly(&cptpf->eng_grps, false);
+ module_put(THIS_MODULE);
+ cptpf->enabled_vfs = 0;
+ }
+
+ dev_notice(&cptpf->pdev->dev, "VFs enabled: %d\n", ret);
+ return ret;
+reset_numvfs:
+ cptpf->enabled_vfs = 0;
+ return ret;
+}
+
+static int otx2_cptpf_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ struct device *dev = &pdev->dev;
+ resource_size_t offset, size;
+ struct otx2_cptpf_dev *cptpf;
+ u64 vfpf_mbox_base;
+ int err;
+
+ cptpf = devm_kzalloc(dev, sizeof(*cptpf), GFP_KERNEL);
+ if (!cptpf)
+ return -ENOMEM;
+
+ pci_set_drvdata(pdev, cptpf);
+ cptpf->pdev = pdev;
+ cptpf->max_vfs = pci_sriov_get_totalvfs(pdev);
+
+ err = pcim_enable_device(pdev);
+ if (err) {
+ dev_err(dev, "Failed to enable PCI device\n");
+ goto clear_drvdata;
+ }
+
+ pci_set_master(pdev);
+
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(48));
+ if (err) {
+ dev_err(dev, "Unable to get usable DMA configuration\n");
+ goto clear_drvdata;
+ }
+
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(48));
+ if (err) {
+ dev_err(dev, "Unable to get 48-bit DMA for consistent allocations\n");
+ goto clear_drvdata;
+ }
+
+ /* Map PF's configuration registers */
+ err = pcim_iomap_regions_request_all(pdev, 1 << PCI_PF_REG_BAR_NUM,
+ OTX2_CPT_DRV_NAME);
+ if (err) {
+ dev_err(dev, "Couldn't get PCI resources 0x%x\n", err);
+ goto clear_drvdata;
+ }
+
+ cptpf->reg_base = pcim_iomap_table(pdev)[PCI_PF_REG_BAR_NUM];
+
+ /* Check if AF driver is up, otherwise defer probe */
+ err = cpt_is_pf_usable(cptpf);
+ if (err)
+ goto clear_drvdata;
+
+ offset = pci_resource_start(pdev, PCI_MBOX_BAR_NUM);
+ size = pci_resource_len(pdev, PCI_MBOX_BAR_NUM);
+ /* Map AF-PF mailbox memory */
+ cptpf->afpf_mbox_base = devm_ioremap_wc(dev, offset, size);
+ if (!cptpf->afpf_mbox_base) {
+ dev_err(&pdev->dev, "Unable to map BAR4\n");
+ err = -ENODEV;
+ goto clear_drvdata;
+ }
+
+ /* Map VF-PF mailbox memory */
+ vfpf_mbox_base = readq((void __iomem *) ((u64)cptpf->reg_base +
+ RVU_PF_VF_BAR4_ADDR));
+ if (!vfpf_mbox_base) {
+ dev_err(&pdev->dev, "VF-PF mailbox address not configured\n");
+ err = -ENOMEM;
+ goto clear_drvdata;
+ }
+ cptpf->vfpf_mbox_base = devm_ioremap_wc(dev, vfpf_mbox_base,
+ MBOX_SIZE * cptpf->max_vfs);
+ if (!cptpf->vfpf_mbox_base) {
+ dev_err(&pdev->dev,
+ "Mapping of VF-PF mailbox address failed\n");
+ err = -ENOMEM;
+ goto clear_drvdata;
+ }
+
+ /* Initialize AF-PF mailbox */
+ err = cptpf_afpf_mbox_init(cptpf);
+ if (err)
+ goto clear_drvdata;
+
+ /* Initialize VF-PF mailbox */
+ err = cptpf_vfpf_mbox_init(cptpf, cptpf->max_vfs);
+ if (err)
+ goto destroy_afpf_mbox;
+
+ /* Register interrupts */
+ err = cptpf_register_interrupts(cptpf);
+ if (err)
+ goto destroy_vfpf_mbox;
+
+ /* Enable VF FLR interrupts */
+ cptpf_enable_vf_flr_intrs(cptpf);
+
+ /* Enable AF-PF mailbox interrupts */
+ cptpf_enable_afpf_mbox_intrs(cptpf);
+
+ /* Enable VF-PF mailbox interrupts */
+ cptpf_enable_vfpf_mbox_intrs(cptpf, cptpf->max_vfs);
+
+ /* Initialize CPT PF device */
+ err = cptpf_device_init(cptpf);
+ if (err)
+ goto unregister_interrupts;
+
+ err = otx2_cpt_send_ready_msg(cptpf->pdev);
+ if (err)
+ goto unregister_interrupts;
+
+ /* Initialize engine groups */
+ err = otx2_cpt_init_eng_grps(pdev, &cptpf->eng_grps);
+ if (err)
+ goto unregister_interrupts;
+
+ err = sysfs_create_group(&dev->kobj, &cptpf_sysfs_group);
+ if (err)
+ goto cleanup_eng_grps;
+ return 0;
+
+cleanup_eng_grps:
+ otx2_cpt_cleanup_eng_grps(pdev, &cptpf->eng_grps);
+unregister_interrupts:
+ cptpf_disable_vfpf_mbox_intrs(cptpf);
+ cptpf_disable_afpf_mbox_intrs(cptpf);
+ cptpf_disable_vf_flr_intrs(cptpf);
+destroy_vfpf_mbox:
+ cptpf_vfpf_mbox_destroy(cptpf);
+destroy_afpf_mbox:
+ cptpf_afpf_mbox_destroy(cptpf);
+clear_drvdata:
+ pci_set_drvdata(pdev, NULL);
+ return err;
+}
+
+static void otx2_cptpf_remove(struct pci_dev *pdev)
+{
+ struct otx2_cptpf_dev *cptpf = pci_get_drvdata(pdev);
+
+ if (!cptpf)
+ return;
+
+ /* Disable SRIOV */
+ pci_disable_sriov(pdev);
+ /*
+ * Delete sysfs entry created for kernel VF limits
+ * and sso_pf_func_ovrd bit.
+ */
+ sysfs_remove_group(&pdev->dev.kobj, &cptpf_sysfs_group);
+ /* Cleanup engine groups */
+ otx2_cpt_cleanup_eng_grps(pdev, &cptpf->eng_grps);
+ /* Disable VF-PF interrupts */
+ cptpf_disable_vfpf_mbox_intrs(cptpf);
+ /* Disable AF-PF mailbox interrupt */
+ cptpf_disable_afpf_mbox_intrs(cptpf);
+ /* Disable VF FLR interrupts */
+ cptpf_disable_vf_flr_intrs(cptpf);
+ /* Unregister CPT interrupts */
+ /* Destroy AF-PF mbox */
+ cptpf_afpf_mbox_destroy(cptpf);
+ /* Destroy VF-PF mbox */
+ cptpf_vfpf_mbox_destroy(cptpf);
+ pci_set_drvdata(pdev, NULL);
+}
+
+/* Supported devices */
+static const struct pci_device_id otx2_cpt_id_table[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, OTX2_CPT_PCI_PF_DEVICE_ID) },
+ { 0, } /* end of table */
+};
+
+static struct pci_driver otx2_cpt_pci_driver = {
+ .name = OTX2_CPT_DRV_NAME,
+ .id_table = otx2_cpt_id_table,
+ .probe = otx2_cptpf_probe,
+ .remove = otx2_cptpf_remove,
+ .sriov_configure = otx2_cptpf_sriov_configure
+};
+
+module_pci_driver(otx2_cpt_pci_driver);
+
+MODULE_AUTHOR("Marvell");
+MODULE_DESCRIPTION(OTX2_CPT_DRV_STRING);
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION(OTX2_CPT_DRV_VERSION);
+MODULE_DEVICE_TABLE(pci, otx2_cpt_id_table);
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c b/drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c
new file mode 100644
index 0000000..5cc5218
--- /dev/null
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_mbox.c
@@ -0,0 +1,694 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (C) 2020 Marvell. */
+
+#include "otx2_cpt_mbox_common.h"
+#include "rvu_reg.h"
+
+/* Fastpath ipsec opcode with inplace processing */
+#define CPT_INLINE_RX_OPCODE (0x26 | (1 << 6))
+/*
+ * CPT PF driver version, It will be incremented by 1 for every feature
+ * addition in CPT PF driver.
+ */
+#define OTX2_CPT_PF_DRV_VERSION 0x2
+
+static void dump_mbox_msg(struct mbox_msghdr *msg, int size)
+{
+ u16 pf_id, vf_id;
+
+ pf_id = (msg->pcifunc >> RVU_PFVF_PF_SHIFT) & RVU_PFVF_PF_MASK;
+ vf_id = (msg->pcifunc >> RVU_PFVF_FUNC_SHIFT) & RVU_PFVF_FUNC_MASK;
+
+ pr_debug("MBOX opcode %s received from (PF%d/VF%d), size %d, rc %d",
+ otx2_cpt_get_mbox_opcode_str(msg->id), pf_id, vf_id, size,
+ msg->rc);
+ print_hex_dump_debug("", DUMP_PREFIX_OFFSET, 16, 2, msg, size, false);
+}
+
+static int get_eng_grp(struct otx2_cptpf_dev *cptpf, u8 eng_type)
+{
+ int eng_grp_num = OTX2_CPT_INVALID_CRYPTO_ENG_GRP;
+ struct otx2_cpt_eng_grp_info *grp;
+ int i;
+
+
+ mutex_lock(&cptpf->eng_grps.lock);
+
+ switch (eng_type) {
+ case OTX2_CPT_SE_TYPES:
+ /*
+ * Find engine group for kernel crypto functionality, select
+ * first engine group which is configured and has only
+ * SE engines attached
+ */
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
+ grp = &cptpf->eng_grps.grp[i];
+ if (!grp->is_enabled)
+ continue;
+
+ if (otx2_cpt_eng_grp_has_eng_type(grp,
+ OTX2_CPT_SE_TYPES) &&
+ !otx2_cpt_eng_grp_has_eng_type(grp,
+ OTX2_CPT_IE_TYPES)) {
+ eng_grp_num = i;
+ break;
+ }
+ }
+ break;
+
+ case OTX2_CPT_AE_TYPES:
+ case OTX2_CPT_IE_TYPES:
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
+ grp = &cptpf->eng_grps.grp[i];
+ if (!grp->is_enabled)
+ continue;
+
+ if (otx2_cpt_eng_grp_has_eng_type(grp, eng_type)) {
+ eng_grp_num = i;
+ break;
+ }
+ }
+ break;
+
+ default:
+ dev_err(&cptpf->pdev->dev, "Invalid engine type %d\n",
+ eng_type);
+ }
+ mutex_unlock(&cptpf->eng_grps.lock);
+
+ return eng_grp_num;
+}
+
+static int cptlf_set_pri(struct pci_dev *pdev, struct otx2_cptlf_info *lf,
+ int pri)
+{
+ union otx2_cptx_af_lf_ctrl lf_ctrl;
+ int ret;
+
+ ret = otx2_cpt_read_af_reg(pdev, CPT_AF_LFX_CTL(lf->slot), &lf_ctrl.u);
+ if (ret)
+ return ret;
+
+ lf_ctrl.s.pri = pri ? 1 : 0;
+
+ ret = otx2_cpt_write_af_reg(pdev, CPT_AF_LFX_CTL(lf->slot), lf_ctrl.u);
+
+ return ret;
+}
+
+static int cptlf_set_eng_grps_mask(struct pci_dev *pdev,
+ struct otx2_cptlf_info *lf,
+ u8 eng_grp_mask)
+{
+ union otx2_cptx_af_lf_ctrl lf_ctrl;
+ int ret;
+
+ ret = otx2_cpt_read_af_reg(pdev, CPT_AF_LFX_CTL(lf->slot), &lf_ctrl.u);
+ if (ret)
+ return ret;
+
+ lf_ctrl.s.grp = eng_grp_mask;
+
+ ret = otx2_cpt_write_af_reg(pdev, CPT_AF_LFX_CTL(lf->slot), lf_ctrl.u);
+
+ return ret;
+}
+
+static int cptlf_set_grp_and_pri(struct pci_dev *pdev,
+ struct otx2_cptlfs_info *lfs,
+ u8 eng_grp_mask, int pri)
+{
+ int slot, ret;
+
+ for (slot = 0; slot < lfs->lfs_num; slot++) {
+ ret = cptlf_set_pri(pdev, &lfs->lf[slot], pri);
+ if (ret)
+ return ret;
+
+ ret = cptlf_set_eng_grps_mask(pdev, &lfs->lf[slot],
+ eng_grp_mask);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
+void otx2_cptpf_lf_cleanup(struct otx2_cptlfs_info *lfs)
+{
+ otx2_cptlf_disable_iqueues(lfs);
+ otx2_cpt_free_instruction_queues(lfs);
+ otx2_cpt_detach_rsrcs_msg(lfs->pdev);
+ lfs->lfs_num = 0;
+}
+
+int otx2_cptpf_lf_init(struct otx2_cptpf_dev *cptpf, u8 eng_grp_mask, int pri,
+ int lfs_num)
+{
+ struct otx2_cptlfs_info *lfs = &cptpf->lfs;
+ struct pci_dev *pdev = cptpf->pdev;
+ int ret, slot;
+
+ lfs->reg_base = cptpf->reg_base;
+ lfs->lfs_num = lfs_num;
+ lfs->pdev = pdev;
+
+ for (slot = 0; slot < lfs->lfs_num; slot++) {
+ lfs->lf[slot].lfs = lfs;
+ lfs->lf[slot].slot = slot;
+ lfs->lf[slot].lmtline = lfs->reg_base +
+ OTX2_CPT_RVU_FUNC_ADDR_S(BLKADDR_LMT, slot,
+ OTX2_CPT_LMT_LF_LMTLINEX(0));
+ lfs->lf[slot].ioreg = lfs->reg_base +
+ OTX2_CPT_RVU_FUNC_ADDR_S(BLKADDR_CPT0, slot,
+ OTX2_CPT_LF_NQX(0));
+ }
+ ret = otx2_cpt_attach_rscrs_msg(pdev);
+ if (ret)
+ goto clear_lfs_num;
+
+ ret = otx2_cpt_alloc_instruction_queues(lfs);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "Allocating instruction queues failed\n");
+ goto detach_rsrcs;
+ }
+ otx2_cptlf_disable_iqueues(lfs);
+
+ otx2_cptlf_set_iqueues_base_addr(lfs);
+
+ otx2_cptlf_set_iqueues_size(lfs);
+
+ otx2_cptlf_enable_iqueues(lfs);
+
+ ret = cptlf_set_grp_and_pri(pdev, lfs, eng_grp_mask, pri);
+ if (ret)
+ goto free_iqueue;
+
+ return 0;
+
+free_iqueue:
+ otx2_cptlf_disable_iqueues(lfs);
+ otx2_cpt_free_instruction_queues(lfs);
+detach_rsrcs:
+ otx2_cpt_detach_rsrcs_msg(pdev);
+clear_lfs_num:
+ lfs->lfs_num = 0;
+ return ret;
+}
+
+static int forward_to_af(struct otx2_cptpf_dev *cptpf,
+ struct otx2_cptvf_info *vf,
+ struct mbox_msghdr *req, int size)
+{
+ struct mbox_msghdr *msg;
+ int ret;
+
+ msg = otx2_mbox_alloc_msg(&cptpf->afpf_mbox, 0, size);
+ if (msg == NULL)
+ return -ENOMEM;
+
+ memcpy((uint8_t *)msg + sizeof(struct mbox_msghdr),
+ (uint8_t *)req + sizeof(struct mbox_msghdr), size);
+ msg->id = req->id;
+ msg->pcifunc = req->pcifunc;
+ msg->sig = req->sig;
+ msg->ver = req->ver;
+
+ otx2_mbox_msg_send(&cptpf->afpf_mbox, 0);
+ ret = otx2_mbox_wait_for_rsp(&cptpf->afpf_mbox, 0);
+ if (ret == -EIO) {
+ dev_err(&cptpf->pdev->dev, "RVU MBOX timeout.\n");
+ return ret;
+ } else if (ret) {
+ dev_err(&cptpf->pdev->dev, "RVU MBOX error: %d.\n", ret);
+ return -EFAULT;
+ }
+ return 0;
+}
+
+static int check_attach_rsrcs_req(struct otx2_cptpf_dev *cptpf,
+ struct otx2_cptvf_info *vf,
+ struct mbox_msghdr *req, int size)
+{
+ struct rsrc_attach *rsrc_req = (struct rsrc_attach *)req;
+
+ if (rsrc_req->sso > 0 || rsrc_req->ssow > 0 || rsrc_req->npalf > 0 ||
+ rsrc_req->timlfs > 0 || rsrc_req->nixlf > 0) {
+ dev_err(&cptpf->pdev->dev,
+ "Invalid ATTACH_RESOURCES request from %s\n",
+ dev_name(&vf->vf_dev->dev));
+
+ return -EINVAL;
+ }
+
+ return forward_to_af(cptpf, vf, req, size);
+}
+
+static int reply_ready_msg(struct otx2_cptpf_dev *cptpf,
+ struct otx2_cptvf_info *vf,
+ struct mbox_msghdr *req)
+{
+ struct ready_msg_rsp *rsp;
+
+ rsp = (struct ready_msg_rsp *)
+ otx2_mbox_alloc_msg(&cptpf->vfpf_mbox, vf->vf_id, sizeof(*rsp));
+ if (!rsp)
+ return -ENOMEM;
+
+ rsp->hdr.id = MBOX_MSG_READY;
+ rsp->hdr.sig = OTX2_MBOX_RSP_SIG;
+ rsp->hdr.pcifunc = req->pcifunc;
+
+ return 0;
+}
+
+static int reply_eng_grp_num_msg(struct otx2_cptpf_dev *cptpf,
+ struct otx2_cptvf_info *vf,
+ struct mbox_msghdr *req)
+{
+ struct otx2_cpt_eng_grp_num_msg *grp_req =
+ (struct otx2_cpt_eng_grp_num_msg *)req;
+ struct otx2_cpt_eng_grp_num_rsp *rsp;
+
+ rsp = (struct otx2_cpt_eng_grp_num_rsp *)
+ otx2_mbox_alloc_msg(&cptpf->vfpf_mbox, vf->vf_id,
+ sizeof(*rsp));
+ if (!rsp)
+ return -ENOMEM;
+
+ rsp->hdr.id = MBOX_MSG_GET_ENG_GRP_NUM;
+ rsp->hdr.sig = OTX2_MBOX_RSP_SIG;
+ rsp->hdr.pcifunc = req->pcifunc;
+ rsp->eng_type = grp_req->eng_type;
+ rsp->eng_grp_num = get_eng_grp(cptpf, grp_req->eng_type);
+
+ return 0;
+}
+
+static int rx_inline_ipsec_lf_cfg(struct otx2_cptpf_dev *cptpf, u8 egrp,
+ u16 sso_pf_func, bool enable)
+{
+ struct cpt_inline_ipsec_cfg_msg *req;
+ struct nix_inline_ipsec_cfg *nix_req;
+ struct pci_dev *pdev = cptpf->pdev;
+ int ret;
+
+ nix_req = (struct nix_inline_ipsec_cfg *)
+ otx2_mbox_alloc_msg_rsp(&cptpf->afpf_mbox, 0,
+ sizeof(*nix_req),
+ sizeof(struct msg_rsp));
+ if (nix_req == NULL) {
+ dev_err(&pdev->dev, "RVU MBOX failed to get message.\n");
+ return -EFAULT;
+ }
+ memset(nix_req, 0, sizeof(*nix_req));
+ nix_req->hdr.id = MBOX_MSG_NIX_INLINE_IPSEC_CFG;
+ nix_req->hdr.sig = OTX2_MBOX_REQ_SIG;
+ nix_req->enable = enable;
+ nix_req->cpt_credit = OTX2_CPT_INST_QLEN_MSGS - 1;
+ nix_req->gen_cfg.egrp = egrp;
+ nix_req->gen_cfg.opcode = CPT_INLINE_RX_OPCODE;
+ nix_req->inst_qsel.cpt_pf_func = OTX2_CPT_RVU_PFFUNC(cptpf->pf_id, 0);
+ nix_req->inst_qsel.cpt_slot = 0;
+ ret = otx2_cpt_send_mbox_msg(pdev);
+ if (ret)
+ return ret;
+
+ req = (struct cpt_inline_ipsec_cfg_msg *)
+ otx2_mbox_alloc_msg_rsp(&cptpf->afpf_mbox, 0,
+ sizeof(*req),
+ sizeof(struct msg_rsp));
+ if (req == NULL) {
+ dev_err(&pdev->dev, "RVU MBOX failed to get message.\n");
+ return -EFAULT;
+ }
+ memset(req, 0, sizeof(*req));
+ req->hdr.id = MBOX_MSG_CPT_INLINE_IPSEC_CFG;
+ req->hdr.sig = OTX2_MBOX_REQ_SIG;
+ req->hdr.pcifunc = OTX2_CPT_RVU_PFFUNC(cptpf->pf_id, 0);
+ req->dir = CPT_INLINE_INBOUND;
+ req->slot = 0;
+ req->sso_pf_func_ovrd = cptpf->sso_pf_func_ovrd;
+ req->sso_pf_func = sso_pf_func;
+ req->enable = enable;
+ ret = otx2_cpt_send_mbox_msg(pdev);
+
+ return ret;
+}
+
+static int rx_inline_ipsec_lf_enable(struct otx2_cptpf_dev *cptpf,
+ struct mbox_msghdr *req)
+{
+ struct otx2_cpt_rx_inline_lf_cfg *cfg_req =
+ (struct otx2_cpt_rx_inline_lf_cfg *)req;
+ u8 egrp;
+ int ret;
+
+ if (cptpf->lfs.lfs_num) {
+ dev_err(&cptpf->pdev->dev,
+ "LF is already configured for RX inline ipsec.\n");
+ return -EEXIST;
+ }
+ /*
+ * Allow LFs to execute requests destined to only grp IE_TYPES and
+ * set queue priority of each LF to high
+ */
+ egrp = get_eng_grp(cptpf, OTX2_CPT_IE_TYPES);
+ if (egrp == OTX2_CPT_INVALID_CRYPTO_ENG_GRP) {
+ dev_err(&cptpf->pdev->dev,
+ "Engine group for inline ipsec is not available\n");
+ return -ENOENT;
+ }
+
+ ret = otx2_cptpf_lf_init(cptpf, 1 << egrp, OTX2_CPT_QUEUE_HI_PRIO, 1);
+ if (ret)
+ return ret;
+
+ ret = rx_inline_ipsec_lf_cfg(cptpf, egrp, cfg_req->sso_pf_func, true);
+ if (ret)
+ goto lf_cleanup;
+
+ return 0;
+
+lf_cleanup:
+ otx2_cptpf_lf_cleanup(&cptpf->lfs);
+ return ret;
+}
+
+static int reply_caps_msg(struct otx2_cptpf_dev *cptpf,
+ struct otx2_cptvf_info *vf,
+ struct mbox_msghdr *req)
+{
+ struct otx2_cpt_caps_rsp *rsp;
+
+ rsp = (struct otx2_cpt_caps_rsp *)
+ otx2_mbox_alloc_msg(&cptpf->vfpf_mbox, vf->vf_id,
+ sizeof(*rsp));
+ if (!rsp)
+ return -ENOMEM;
+
+ rsp->hdr.id = MBOX_MSG_GET_CAPS;
+ rsp->hdr.sig = OTX2_MBOX_RSP_SIG;
+ rsp->hdr.pcifunc = req->pcifunc;
+ rsp->cpt_pf_drv_version = OTX2_CPT_PF_DRV_VERSION;
+ rsp->cpt_revision = cptpf->pdev->revision;
+ memcpy(&rsp->eng_caps, &cptpf->eng_caps, sizeof(rsp->eng_caps));
+
+ return 0;
+}
+
+static int reply_kcrypto_limits_msg(struct otx2_cptpf_dev *cptpf,
+ struct otx2_cptvf_info *vf,
+ struct mbox_msghdr *req)
+{
+ struct otx2_cpt_kcrypto_limits_rsp *rsp;
+
+ rsp = (struct otx2_cpt_kcrypto_limits_rsp *)
+ otx2_mbox_alloc_msg(&cptpf->vfpf_mbox, vf->vf_id,
+ sizeof(*rsp));
+ if (!rsp)
+ return -ENOMEM;
+
+ rsp->hdr.id = MBOX_MSG_GET_KCRYPTO_LIMITS;
+ rsp->hdr.sig = OTX2_MBOX_RSP_SIG;
+ rsp->hdr.pcifunc = req->pcifunc;
+ rsp->kcrypto_limits = cptpf->kvf_limits;
+
+ return 0;
+}
+
+static int check_cpt_lf_alloc_req(struct otx2_cptpf_dev *cptpf,
+ struct otx2_cptvf_info *vf,
+ struct mbox_msghdr *req, int size)
+{
+ struct cpt_lf_alloc_req_msg *alloc_req =
+ (struct cpt_lf_alloc_req_msg *)req;
+
+ if (alloc_req->eng_grpmsk == 0x0)
+ alloc_req->eng_grpmsk = OTX2_CPT_ALL_ENG_GRPS_MASK;
+
+ return forward_to_af(cptpf, vf, req, size);
+}
+
+static int cptpf_handle_vf_req(struct otx2_cptpf_dev *cptpf,
+ struct otx2_cptvf_info *vf,
+ struct mbox_msghdr *req, int size)
+{
+ int err = 0;
+
+ /* Check if msg is valid, if not reply with an invalid msg */
+ if (req->sig != OTX2_MBOX_REQ_SIG)
+ return otx2_reply_invalid_msg(&cptpf->vfpf_mbox, vf->vf_id,
+ req->pcifunc, req->id);
+ switch (req->id) {
+ case MBOX_MSG_READY:
+ err = reply_ready_msg(cptpf, vf, req);
+ break;
+
+ case MBOX_MSG_ATTACH_RESOURCES:
+ err = check_attach_rsrcs_req(cptpf, vf, req, size);
+ break;
+
+ case MBOX_MSG_GET_ENG_GRP_NUM:
+ err = reply_eng_grp_num_msg(cptpf, vf, req);
+ break;
+
+ case MBOX_MSG_RX_INLINE_IPSEC_LF_CFG:
+ err = rx_inline_ipsec_lf_enable(cptpf, req);
+ break;
+
+ case MBOX_MSG_GET_CAPS:
+ err = reply_caps_msg(cptpf, vf, req);
+ break;
+
+ case MBOX_MSG_GET_KCRYPTO_LIMITS:
+ err = reply_kcrypto_limits_msg(cptpf, vf, req);
+ break;
+
+ case MBOX_MSG_CPT_LF_ALLOC:
+ err = check_cpt_lf_alloc_req(cptpf, vf, req, size);
+ break;
+
+ default:
+ err = forward_to_af(cptpf, vf, req, size);
+ break;
+ }
+
+ return err;
+}
+
+irqreturn_t otx2_cptpf_afpf_mbox_intr(int __always_unused irq, void *arg)
+{
+ struct otx2_cptpf_dev *cptpf = arg;
+ u64 intr;
+
+ /* Read the interrupt bits */
+ intr = otx2_cpt_read64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_INT);
+
+ if (intr & 0x1ULL) {
+ /* Schedule work queue function to process the MBOX request */
+ queue_work(cptpf->afpf_mbox_wq, &cptpf->afpf_mbox_work);
+ /* Clear and ack the interrupt */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM, 0, RVU_PF_INT,
+ 0x1ULL);
+ }
+ return IRQ_HANDLED;
+}
+
+irqreturn_t otx2_cptpf_vfpf_mbox_intr(int __always_unused irq, void *arg)
+{
+ struct otx2_cptpf_dev *cptpf = arg;
+ struct otx2_cptvf_info *vf;
+ int i, vf_idx;
+ u64 intr;
+
+ /*
+ * Check which VF has raised an interrupt and schedule
+ * corresponding work queue to process the messages
+ */
+ for (i = 0; i < 2; i++) {
+ /* Read the interrupt bits */
+ intr = otx2_cpt_read64(cptpf->reg_base, BLKADDR_RVUM, 0,
+ RVU_PF_VFPF_MBOX_INTX(i));
+
+ for (vf_idx = i * 64; vf_idx < cptpf->enabled_vfs; vf_idx++) {
+ vf = &cptpf->vf[vf_idx];
+ if (intr & (1ULL << vf->intr_idx)) {
+ queue_work(cptpf->vfpf_mbox_wq,
+ &vf->vfpf_mbox_work);
+ /* Clear the interrupt */
+ otx2_cpt_write64(cptpf->reg_base, BLKADDR_RVUM,
+ 0, RVU_PF_VFPF_MBOX_INTX(i),
+ BIT_ULL(vf->intr_idx));
+ }
+ }
+ }
+ return IRQ_HANDLED;
+}
+
+void otx2_cptpf_afpf_mbox_handler(struct work_struct *work)
+{
+ struct cpt_rd_wr_reg_msg *rsp_rd_wr;
+ struct otx2_cptpf_dev *cptpf;
+ struct otx2_mbox *afpf_mbox;
+ struct otx2_mbox *vfpf_mbox;
+ struct mbox_hdr *rsp_hdr;
+ struct mbox_msghdr *msg;
+ struct mbox_msghdr *fwd;
+ int offset, size;
+ int vf_id, i;
+
+ /* Read latest mbox data */
+ smp_rmb();
+
+ cptpf = container_of(work, struct otx2_cptpf_dev, afpf_mbox_work);
+ afpf_mbox = &cptpf->afpf_mbox;
+ vfpf_mbox = &cptpf->vfpf_mbox;
+ rsp_hdr = (struct mbox_hdr *)(afpf_mbox->dev->mbase +
+ afpf_mbox->rx_start);
+ if (rsp_hdr->num_msgs == 0)
+ return;
+ offset = ALIGN(sizeof(struct mbox_hdr), MBOX_MSG_ALIGN);
+
+ for (i = 0; i < rsp_hdr->num_msgs; i++) {
+ msg = (struct mbox_msghdr *)(afpf_mbox->dev->mbase +
+ afpf_mbox->rx_start + offset);
+ size = msg->next_msgoff - offset;
+
+ if (msg->id >= MBOX_MSG_MAX) {
+ dev_err(&cptpf->pdev->dev,
+ "MBOX msg with unknown ID %d\n", msg->id);
+ goto error;
+ }
+
+ if (msg->sig != OTX2_MBOX_RSP_SIG) {
+ dev_err(&cptpf->pdev->dev,
+ "MBOX msg with wrong signature %x, ID %d\n",
+ msg->sig, msg->id);
+ goto error;
+ }
+
+ offset = msg->next_msgoff;
+ vf_id = (msg->pcifunc >> RVU_PFVF_FUNC_SHIFT) &
+ RVU_PFVF_FUNC_MASK;
+ if (vf_id > 0) {
+ vf_id--;
+ if (vf_id >= cptpf->enabled_vfs) {
+ dev_err(&cptpf->pdev->dev,
+ "MBOX msg to unknown VF: %d >= %d\n",
+ vf_id, cptpf->enabled_vfs);
+ goto error;
+ }
+ fwd = otx2_mbox_alloc_msg(vfpf_mbox, vf_id, size);
+ if (!fwd) {
+ dev_err(&cptpf->pdev->dev,
+ "Forwarding to VF%d failed.\n", vf_id);
+ goto error;
+ }
+ memcpy((uint8_t *)fwd + sizeof(struct mbox_msghdr),
+ (uint8_t *)msg + sizeof(struct mbox_msghdr),
+ size);
+ fwd->id = msg->id;
+ fwd->pcifunc = msg->pcifunc;
+ fwd->sig = msg->sig;
+ fwd->ver = msg->ver;
+ fwd->rc = msg->rc;
+ } else {
+ dump_mbox_msg(msg, size);
+ switch (msg->id) {
+ case MBOX_MSG_READY:
+ cptpf->pf_id =
+ (msg->pcifunc >> RVU_PFVF_PF_SHIFT) &
+ RVU_PFVF_PF_MASK;
+ break;
+
+ case MBOX_MSG_CPT_RD_WR_REGISTER:
+ rsp_rd_wr = (struct cpt_rd_wr_reg_msg *)
+ msg;
+ if (msg->rc) {
+ dev_err(&cptpf->pdev->dev,
+ "Reg %llx rd/wr(%d) failed %d\n",
+ rsp_rd_wr->reg_offset,
+ rsp_rd_wr->is_write,
+ msg->rc);
+ goto error;
+ }
+
+ if (!rsp_rd_wr->is_write)
+ *rsp_rd_wr->ret_val = rsp_rd_wr->val;
+ break;
+
+ case MBOX_MSG_ATTACH_RESOURCES:
+ if (!msg->rc)
+ cptpf->lfs.are_lfs_attached = 1;
+ break;
+
+ case MBOX_MSG_DETACH_RESOURCES:
+ if (!msg->rc)
+ cptpf->lfs.are_lfs_attached = 0;
+ break;
+ case MBOX_MSG_CPT_INLINE_IPSEC_CFG:
+ case MBOX_MSG_NIX_INLINE_IPSEC_CFG:
+ break;
+ default:
+ dev_err(&cptpf->pdev->dev,
+ "Unsupported msg %d received.\n",
+ msg->id);
+ break;
+ }
+ }
+error:
+ afpf_mbox->dev->msgs_acked++;
+ }
+
+ otx2_mbox_reset(afpf_mbox, 0);
+}
+
+void otx2_cptpf_vfpf_mbox_handler(struct work_struct *work)
+{
+ struct otx2_cptvf_info *vf = container_of(work, struct otx2_cptvf_info,
+ vfpf_mbox_work);
+ struct otx2_cptpf_dev *cptpf = vf->cptpf;
+ struct otx2_mbox *mbox = &cptpf->vfpf_mbox;
+ struct otx2_mbox_dev *mdev;
+ struct mbox_hdr *req_hdr;
+ struct mbox_msghdr *msg;
+ int offset, id, err;
+
+ /* sync with mbox memory region */
+ rmb();
+
+ mdev = &mbox->dev[vf->vf_id];
+ /* Process received mbox messages */
+ req_hdr = (struct mbox_hdr *)(mdev->mbase + mbox->rx_start);
+ offset = ALIGN(sizeof(*req_hdr), MBOX_MSG_ALIGN);
+ id = 0;
+ while (id < req_hdr->num_msgs) {
+ while (id < req_hdr->num_msgs) {
+ msg = (struct mbox_msghdr *)(mdev->mbase +
+ mbox->rx_start + offset);
+
+ /* Set which VF sent this message based on mbox IRQ */
+ msg->pcifunc = ((u16)cptpf->pf_id << RVU_PFVF_PF_SHIFT)
+ | ((vf->vf_id + 1) & RVU_PFVF_FUNC_MASK);
+
+ err = cptpf_handle_vf_req(cptpf, vf, msg,
+ msg->next_msgoff - offset);
+
+ /*
+ * Behave as the AF, drop the msg if there is
+ * no memory, timeout handling also goes here
+ */
+ if (err == -ENOMEM ||
+ err == -EIO)
+ break;
+
+ offset = msg->next_msgoff;
+ id++;
+ }
+
+ /* Send mbox responses to VF */
+ if (mdev->num_msgs)
+ otx2_mbox_msg_send(mbox, vf->vf_id);
+ }
+}
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c
new file mode 100644
index 0000000..e5acc36
--- /dev/null
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c
@@ -0,0 +1,2173 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (C) 2020 Marvell. */
+
+#include <linux/ctype.h>
+#include <linux/firmware.h>
+#include "otx2_cptpf_ucode.h"
+#include "otx2_cpt_common.h"
+#include "otx2_cpt_mbox_common.h"
+#include "rvu_reg.h"
+
+#define CSR_DELAY 30
+/* Tar archive defines */
+#define TAR_MAGIC "ustar"
+#define TAR_MAGIC_LEN 6
+#define TAR_BLOCK_LEN 512
+#define REGTYPE '0'
+#define AREGTYPE '\0'
+
+#define LOADFVC_RLEN 8
+#define LOADFVC_MAJOR_OP 0x01
+#define LOADFVC_MINOR_OP 0x08
+
+/* tar header as defined in POSIX 1003.1-1990. */
+struct tar_hdr_t {
+ char name[100];
+ char mode[8];
+ char uid[8];
+ char gid[8];
+ char size[12];
+ char mtime[12];
+ char chksum[8];
+ char typeflag;
+ char linkname[100];
+ char magic[6];
+ char version[2];
+ char uname[32];
+ char gname[32];
+ char devmajor[8];
+ char devminor[8];
+ char prefix[155];
+};
+
+struct tar_blk_t {
+ union {
+ struct tar_hdr_t hdr;
+ char block[TAR_BLOCK_LEN];
+ };
+};
+
+struct tar_arch_info_t {
+ struct list_head ucodes;
+ const struct firmware *fw;
+};
+
+static struct otx2_cpt_bitmap get_cores_bmap(struct device *dev,
+ struct otx2_cpt_eng_grp_info *eng_grp)
+{
+ struct otx2_cpt_bitmap bmap = { {0} };
+ bool found = false;
+ int i;
+
+ if (eng_grp->g->engs_num > OTX2_CPT_MAX_ENGINES) {
+ dev_err(dev, "unsupported number of engines %d on octeontx2\n",
+ eng_grp->g->engs_num);
+ return bmap;
+ }
+
+ for (i = 0; i < OTX2_CPT_MAX_ETYPES_PER_GRP; i++) {
+ if (eng_grp->engs[i].type) {
+ bitmap_or(bmap.bits, bmap.bits,
+ eng_grp->engs[i].bmap,
+ eng_grp->g->engs_num);
+ bmap.size = eng_grp->g->engs_num;
+ found = true;
+ }
+ }
+
+ if (!found)
+ dev_err(dev, "No engines reserved for engine group %d\n",
+ eng_grp->idx);
+ return bmap;
+}
+
+static int is_eng_type(int val, int eng_type)
+{
+ return val & (1 << eng_type);
+}
+
+static int dev_supports_eng_type(struct otx2_cpt_eng_grps *eng_grps,
+ int eng_type)
+{
+ return is_eng_type(eng_grps->eng_types_supported, eng_type);
+}
+
+static int is_2nd_ucode_used(struct otx2_cpt_eng_grp_info *eng_grp)
+{
+ if (eng_grp->ucode[1].type)
+ return true;
+ else
+ return false;
+}
+
+static void set_ucode_filename(struct otx2_cpt_ucode *ucode,
+ const char *filename)
+{
+ strlcpy(ucode->filename, filename, OTX2_CPT_NAME_LENGTH);
+}
+
+static char *get_eng_type_str(int eng_type)
+{
+ char *str = "unknown";
+
+ switch (eng_type) {
+ case OTX2_CPT_SE_TYPES:
+ str = "SE";
+ break;
+
+ case OTX2_CPT_IE_TYPES:
+ str = "IE";
+ break;
+
+ case OTX2_CPT_AE_TYPES:
+ str = "AE";
+ break;
+ }
+ return str;
+}
+
+static char *get_ucode_type_str(int ucode_type)
+{
+ char *str = "unknown";
+
+ switch (ucode_type) {
+ case (1 << OTX2_CPT_SE_TYPES):
+ str = "SE";
+ break;
+
+ case (1 << OTX2_CPT_IE_TYPES):
+ str = "IE";
+ break;
+
+ case (1 << OTX2_CPT_AE_TYPES):
+ str = "AE";
+ break;
+
+ case (1 << OTX2_CPT_SE_TYPES | 1 << OTX2_CPT_IE_TYPES):
+ str = "SE+IPSEC";
+ break;
+ }
+ return str;
+}
+
+static void swap_engines(struct otx2_cpt_engines *engsl,
+ struct otx2_cpt_engines *engsr)
+{
+ struct otx2_cpt_engines engs;
+
+ engs = *engsl;
+ *engsl = *engsr;
+ *engsr = engs;
+}
+
+static void swap_ucodes(struct otx2_cpt_ucode *ucodel,
+ struct otx2_cpt_ucode *ucoder)
+{
+ struct otx2_cpt_ucode ucode;
+
+ ucode = *ucodel;
+ *ucodel = *ucoder;
+ *ucoder = ucode;
+}
+
+static int get_ucode_type(struct device *dev,
+ struct otx2_cpt_ucode_hdr *ucode_hdr,
+ int *ucode_type)
+{
+ struct otx2_cptpf_dev *cptpf = dev_get_drvdata(dev);
+ char ver_str_prefix[OTX2_CPT_UCODE_VER_STR_SZ];
+ char tmp_ver_str[OTX2_CPT_UCODE_VER_STR_SZ];
+ struct pci_dev *pdev = cptpf->pdev;
+ int i, val = 0;
+ u8 nn;
+
+ strlcpy(tmp_ver_str, ucode_hdr->ver_str, OTX2_CPT_UCODE_VER_STR_SZ);
+ for (i = 0; i < strlen(tmp_ver_str); i++)
+ tmp_ver_str[i] = tolower(tmp_ver_str[i]);
+
+ sprintf(ver_str_prefix, "ocpt-%02d", pdev->revision);
+ if (!strnstr(tmp_ver_str, ver_str_prefix, OTX2_CPT_UCODE_VER_STR_SZ))
+ return -EINVAL;
+
+ nn = ucode_hdr->ver_num.nn;
+ if (strnstr(tmp_ver_str, "se-", OTX2_CPT_UCODE_VER_STR_SZ) &&
+ (nn == OTX2_CPT_SE_UC_TYPE1 || nn == OTX2_CPT_SE_UC_TYPE2 ||
+ nn == OTX2_CPT_SE_UC_TYPE3))
+ val |= 1 << OTX2_CPT_SE_TYPES;
+ if (strnstr(tmp_ver_str, "ipsec", OTX2_CPT_UCODE_VER_STR_SZ) &&
+ (nn == OTX2_CPT_IE_UC_TYPE1 || nn == OTX2_CPT_IE_UC_TYPE2 ||
+ nn == OTX2_CPT_IE_UC_TYPE3))
+ val |= 1 << OTX2_CPT_IE_TYPES;
+ if (strnstr(tmp_ver_str, "ae", OTX2_CPT_UCODE_VER_STR_SZ) &&
+ nn == OTX2_CPT_AE_UC_TYPE)
+ val |= 1 << OTX2_CPT_AE_TYPES;
+
+ *ucode_type = val;
+
+ if (!val)
+ return -EINVAL;
+ if (is_eng_type(val, OTX2_CPT_AE_TYPES) &&
+ (is_eng_type(val, OTX2_CPT_SE_TYPES) ||
+ is_eng_type(val, OTX2_CPT_IE_TYPES)))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int is_mem_zero(const char *ptr, int size)
+{
+ int i;
+
+ for (i = 0; i < size; i++) {
+ if (ptr[i])
+ return 0;
+ }
+ return 1;
+}
+
+static int cpt_set_ucode_base(struct otx2_cpt_eng_grp_info *eng_grp, void *obj)
+{
+ struct otx2_cptpf_dev *cptpf = obj;
+ struct otx2_cpt_engs_rsvd *engs;
+ dma_addr_t dma_addr;
+ int i, bit, ret;
+
+ /* Set PF number for microcode fetches */
+ ret = otx2_cpt_write_af_reg(cptpf->pdev, CPT_AF_PF_FUNC,
+ cptpf->pf_id << RVU_PFVF_PF_SHIFT);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < OTX2_CPT_MAX_ETYPES_PER_GRP; i++) {
+ engs = &eng_grp->engs[i];
+ if (!engs->type)
+ continue;
+
+ dma_addr = engs->ucode->dma;
+
+ /*
+ * Set UCODE_BASE only for the cores which are not used,
+ * other cores should have already valid UCODE_BASE set
+ */
+ for_each_set_bit(bit, engs->bmap, eng_grp->g->engs_num)
+ if (!eng_grp->g->eng_ref_cnt[bit]) {
+ ret = otx2_cpt_write_af_reg(cptpf->pdev,
+ CPT_AF_EXEX_UCODE_BASE(bit),
+ (u64) dma_addr);
+ if (ret)
+ return ret;
+ }
+ }
+ return 0;
+}
+
+static int cpt_detach_and_disable_cores(struct otx2_cpt_eng_grp_info *eng_grp,
+ void *obj)
+{
+ struct otx2_cptpf_dev *cptpf = obj;
+ struct otx2_cpt_bitmap bmap;
+ int i, timeout = 10;
+ int busy, ret;
+ u64 reg = 0;
+
+ bmap = get_cores_bmap(&cptpf->pdev->dev, eng_grp);
+ if (!bmap.size)
+ return -EINVAL;
+
+ /* Detach the cores from group */
+ for_each_set_bit(i, bmap.bits, bmap.size) {
+ ret = otx2_cpt_read_af_reg(cptpf->pdev, CPT_AF_EXEX_CTL2(i),
+ ®);
+ if (ret)
+ return ret;
+
+ if (reg & (1ull << eng_grp->idx)) {
+ eng_grp->g->eng_ref_cnt[i]--;
+ reg &= ~(1ull << eng_grp->idx);
+
+ ret = otx2_cpt_write_af_reg(cptpf->pdev,
+ CPT_AF_EXEX_CTL2(i), reg);
+ if (ret)
+ return ret;
+ }
+ }
+
+ /* Wait for cores to become idle */
+ do {
+ busy = 0;
+ usleep_range(10000, 20000);
+ if (timeout-- < 0)
+ return -EBUSY;
+
+ for_each_set_bit(i, bmap.bits, bmap.size) {
+ ret = otx2_cpt_read_af_reg(cptpf->pdev,
+ CPT_AF_EXEX_STS(i), ®);
+ if (ret)
+ return ret;
+
+ if (reg & 0x1) {
+ busy = 1;
+ break;
+ }
+ }
+ } while (busy);
+
+ /* Disable the cores only if they are not used anymore */
+ for_each_set_bit(i, bmap.bits, bmap.size) {
+ if (!eng_grp->g->eng_ref_cnt[i]) {
+ ret = otx2_cpt_write_af_reg(cptpf->pdev,
+ CPT_AF_EXEX_CTL(i), 0x0);
+ if (ret)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int cpt_attach_and_enable_cores(struct otx2_cpt_eng_grp_info *eng_grp,
+ void *obj)
+{
+ struct otx2_cptpf_dev *cptpf = obj;
+ struct otx2_cpt_bitmap bmap;
+ u64 reg = 0;
+ int i, ret;
+
+ bmap = get_cores_bmap(&cptpf->pdev->dev, eng_grp);
+ if (!bmap.size)
+ return -EINVAL;
+
+ /* Attach the cores to the group */
+ for_each_set_bit(i, bmap.bits, bmap.size) {
+ ret = otx2_cpt_read_af_reg(cptpf->pdev, CPT_AF_EXEX_CTL2(i),
+ ®);
+ if (ret)
+ return ret;
+
+ if (!(reg & (1ull << eng_grp->idx))) {
+ eng_grp->g->eng_ref_cnt[i]++;
+ reg |= 1ull << eng_grp->idx;
+
+ ret = otx2_cpt_write_af_reg(cptpf->pdev,
+ CPT_AF_EXEX_CTL2(i), reg);
+ if (ret)
+ return ret;
+ }
+ }
+
+ /* Enable the cores */
+ for_each_set_bit(i, bmap.bits, bmap.size) {
+ ret = otx2_cpt_add_write_af_reg(cptpf->pdev,
+ CPT_AF_EXEX_CTL(i), 0x1);
+ if (ret)
+ return ret;
+ }
+ ret = otx2_cpt_send_af_reg_requests(cptpf->pdev);
+
+ return ret;
+}
+
+static int process_tar_file(struct device *dev,
+ struct tar_arch_info_t *tar_arch, char *filename,
+ const u8 *data, int size)
+{
+ struct tar_ucode_info_t *tar_ucode_info;
+ struct otx2_cpt_ucode_hdr *ucode_hdr;
+ int ucode_type, ucode_size;
+
+ /*
+ * If size is less than microcode header size then don't report
+ * an error because it might not be microcode file, just process
+ * next file from archive
+ */
+ if (size < sizeof(struct otx2_cpt_ucode_hdr))
+ return 0;
+
+ ucode_hdr = (struct otx2_cpt_ucode_hdr *) data;
+ /*
+ * If microcode version can't be found don't report an error
+ * because it might not be microcode file, just process next file
+ */
+ if (get_ucode_type(dev, ucode_hdr, &ucode_type))
+ return 0;
+
+ ucode_size = ntohl(ucode_hdr->code_length) * 2;
+ if (!ucode_size || (size < round_up(ucode_size, 16) +
+ sizeof(struct otx2_cpt_ucode_hdr) + OTX2_CPT_UCODE_SIGN_LEN)) {
+ dev_err(dev, "Ucode %s invalid size\n", filename);
+ return -EINVAL;
+ }
+
+ tar_ucode_info = kzalloc(sizeof(*tar_ucode_info), GFP_KERNEL);
+ if (!tar_ucode_info)
+ return -ENOMEM;
+
+ tar_ucode_info->ucode_ptr = data;
+ set_ucode_filename(&tar_ucode_info->ucode, filename);
+ memcpy(tar_ucode_info->ucode.ver_str, ucode_hdr->ver_str,
+ OTX2_CPT_UCODE_VER_STR_SZ);
+ tar_ucode_info->ucode.ver_num = ucode_hdr->ver_num;
+ tar_ucode_info->ucode.type = ucode_type;
+ tar_ucode_info->ucode.size = ucode_size;
+ list_add_tail(&tar_ucode_info->list, &tar_arch->ucodes);
+
+ return 0;
+}
+
+static void release_tar_archive(struct tar_arch_info_t *tar_arch)
+{
+ struct tar_ucode_info_t *curr, *temp;
+
+ if (!tar_arch)
+ return;
+
+ list_for_each_entry_safe(curr, temp, &tar_arch->ucodes, list) {
+ list_del(&curr->list);
+ kfree(curr);
+ }
+
+ if (tar_arch->fw)
+ release_firmware(tar_arch->fw);
+ kfree(tar_arch);
+}
+
+static struct tar_ucode_info_t *get_uc_from_tar_archive(
+ struct tar_arch_info_t *tar_arch,
+ int ucode_type)
+{
+ struct tar_ucode_info_t *curr, *uc_found = NULL;
+
+ list_for_each_entry(curr, &tar_arch->ucodes, list) {
+ if (!is_eng_type(curr->ucode.type, ucode_type))
+ continue;
+
+ if (ucode_type == OTX2_CPT_IE_TYPES &&
+ is_eng_type(curr->ucode.type, OTX2_CPT_SE_TYPES))
+ continue;
+
+ if (!uc_found) {
+ uc_found = curr;
+ continue;
+ }
+
+ switch (ucode_type) {
+ case OTX2_CPT_AE_TYPES:
+ break;
+
+ case OTX2_CPT_SE_TYPES:
+ if (uc_found->ucode.ver_num.nn ==
+ OTX2_CPT_SE_UC_TYPE2 ||
+ (uc_found->ucode.ver_num.nn ==
+ OTX2_CPT_SE_UC_TYPE3 &&
+ curr->ucode.ver_num.nn == OTX2_CPT_SE_UC_TYPE1))
+ uc_found = curr;
+ break;
+
+ case OTX2_CPT_IE_TYPES:
+ if (uc_found->ucode.ver_num.nn ==
+ OTX2_CPT_IE_UC_TYPE2 ||
+ (uc_found->ucode.ver_num.nn ==
+ OTX2_CPT_IE_UC_TYPE3 &&
+ curr->ucode.ver_num.nn == OTX2_CPT_IE_UC_TYPE1))
+ uc_found = curr;
+ break;
+ }
+ }
+ return uc_found;
+}
+
+static void print_tar_dbg_info(struct tar_arch_info_t *tar_arch,
+ char *tar_filename)
+{
+ struct tar_ucode_info_t *curr;
+
+ pr_debug("Tar archive filename %s\n", tar_filename);
+ pr_debug("Tar archive pointer %p, size %ld\n", tar_arch->fw->data,
+ tar_arch->fw->size);
+ list_for_each_entry(curr, &tar_arch->ucodes, list) {
+ pr_debug("Ucode filename %s\n", curr->ucode.filename);
+ pr_debug("Ucode version string %s\n", curr->ucode.ver_str);
+ pr_debug("Ucode version %d.%d.%d.%d\n",
+ curr->ucode.ver_num.nn, curr->ucode.ver_num.xx,
+ curr->ucode.ver_num.yy, curr->ucode.ver_num.zz);
+ pr_debug("Ucode type (%d) %s\n", curr->ucode.type,
+ get_ucode_type_str(curr->ucode.type));
+ pr_debug("Ucode size %d\n", curr->ucode.size);
+ pr_debug("Ucode ptr %p\n", curr->ucode_ptr);
+ }
+}
+
+static struct tar_arch_info_t *load_tar_archive(struct device *dev,
+ char *tar_filename)
+{
+ struct tar_arch_info_t *tar_arch = NULL;
+ struct tar_blk_t *tar_blk;
+ unsigned int cur_size;
+ size_t tar_offs = 0;
+ size_t tar_size;
+ int ret;
+
+ tar_arch = kzalloc(sizeof(struct tar_arch_info_t), GFP_KERNEL);
+ if (!tar_arch)
+ return NULL;
+
+ INIT_LIST_HEAD(&tar_arch->ucodes);
+
+ /* Load tar archive */
+ ret = request_firmware(&tar_arch->fw, tar_filename, dev);
+ if (ret)
+ goto release_tar_arch;
+
+ if (tar_arch->fw->size < TAR_BLOCK_LEN) {
+ dev_err(dev, "Invalid tar archive %s\n", tar_filename);
+ goto release_tar_arch;
+ }
+
+ tar_size = tar_arch->fw->size;
+ tar_blk = (struct tar_blk_t *) tar_arch->fw->data;
+ if (strncmp(tar_blk->hdr.magic, TAR_MAGIC, TAR_MAGIC_LEN - 1)) {
+ dev_err(dev, "Unsupported format of tar archive %s\n",
+ tar_filename);
+ goto release_tar_arch;
+ }
+
+ while (1) {
+ /* Read current file size */
+ ret = kstrtouint(tar_blk->hdr.size, 8, &cur_size);
+ if (ret)
+ goto release_tar_arch;
+
+ if (tar_offs + cur_size > tar_size ||
+ tar_offs + 2*TAR_BLOCK_LEN > tar_size) {
+ dev_err(dev, "Invalid tar archive %s\n", tar_filename);
+ goto release_tar_arch;
+ }
+
+ tar_offs += TAR_BLOCK_LEN;
+ if (tar_blk->hdr.typeflag == REGTYPE ||
+ tar_blk->hdr.typeflag == AREGTYPE) {
+ ret = process_tar_file(dev, tar_arch,
+ tar_blk->hdr.name,
+ &tar_arch->fw->data[tar_offs],
+ cur_size);
+ if (ret)
+ goto release_tar_arch;
+ }
+
+ tar_offs += (cur_size/TAR_BLOCK_LEN) * TAR_BLOCK_LEN;
+ if (cur_size % TAR_BLOCK_LEN)
+ tar_offs += TAR_BLOCK_LEN;
+
+ /* Check for the end of the archive */
+ if (tar_offs + 2*TAR_BLOCK_LEN > tar_size) {
+ dev_err(dev, "Invalid tar archive %s\n", tar_filename);
+ goto release_tar_arch;
+ }
+
+ if (is_mem_zero(&tar_arch->fw->data[tar_offs],
+ 2*TAR_BLOCK_LEN))
+ break;
+
+ /* Read next block from tar archive */
+ tar_blk = (struct tar_blk_t *) &tar_arch->fw->data[tar_offs];
+ }
+
+ print_tar_dbg_info(tar_arch, tar_filename);
+ return tar_arch;
+release_tar_arch:
+ release_tar_archive(tar_arch);
+ return NULL;
+}
+
+static struct otx2_cpt_engs_rsvd *find_engines_by_type(
+ struct otx2_cpt_eng_grp_info *eng_grp,
+ int eng_type)
+{
+ int i;
+
+ for (i = 0; i < OTX2_CPT_MAX_ETYPES_PER_GRP; i++) {
+ if (!eng_grp->engs[i].type)
+ continue;
+
+ if (eng_grp->engs[i].type == eng_type)
+ return &eng_grp->engs[i];
+ }
+ return NULL;
+}
+
+int otx2_cpt_uc_supports_eng_type(struct otx2_cpt_ucode *ucode, int eng_type)
+{
+ return is_eng_type(ucode->type, eng_type);
+}
+
+int otx2_cpt_eng_grp_has_eng_type(struct otx2_cpt_eng_grp_info *eng_grp,
+ int eng_type)
+{
+ struct otx2_cpt_engs_rsvd *engs;
+
+ engs = find_engines_by_type(eng_grp, eng_type);
+
+ return (engs != NULL ? 1 : 0);
+}
+
+static void print_ucode_info(struct otx2_cpt_eng_grp_info *eng_grp,
+ char *buf, int size)
+{
+ int len;
+
+ if (eng_grp->mirror.is_ena) {
+ scnprintf(buf, size, "%s (shared with engine_group%d)",
+ eng_grp->g->grp[eng_grp->mirror.idx].ucode[0].ver_str,
+ eng_grp->mirror.idx);
+ } else {
+ scnprintf(buf, size, "%s", eng_grp->ucode[0].ver_str);
+ }
+
+ if (is_2nd_ucode_used(eng_grp)) {
+ len = strlen(buf);
+ scnprintf(buf + len, size - len, ", %s (used by IE engines)",
+ eng_grp->ucode[1].ver_str);
+ }
+}
+
+static void print_engs_info(struct otx2_cpt_eng_grp_info *eng_grp,
+ char *buf, int size, int idx)
+{
+ struct otx2_cpt_engs_rsvd *mirrored_engs = NULL;
+ struct otx2_cpt_engs_rsvd *engs;
+ int len, i;
+
+ buf[0] = '\0';
+ for (i = 0; i < OTX2_CPT_MAX_ETYPES_PER_GRP; i++) {
+ engs = &eng_grp->engs[i];
+ if (!engs->type)
+ continue;
+ if (idx != -1 && idx != i)
+ continue;
+
+ if (eng_grp->mirror.is_ena)
+ mirrored_engs = find_engines_by_type(
+ &eng_grp->g->grp[eng_grp->mirror.idx],
+ engs->type);
+ if (i > 0 && idx == -1) {
+ len = strlen(buf);
+ scnprintf(buf+len, size-len, ", ");
+ }
+
+ len = strlen(buf);
+ scnprintf(buf+len, size-len, "%d %s ", mirrored_engs ?
+ engs->count + mirrored_engs->count : engs->count,
+ get_eng_type_str(engs->type));
+ if (mirrored_engs) {
+ len = strlen(buf);
+ scnprintf(buf+len, size-len,
+ "(%d shared with engine_group%d) ",
+ engs->count <= 0 ? engs->count +
+ mirrored_engs->count : mirrored_engs->count,
+ eng_grp->mirror.idx);
+ }
+ }
+}
+
+static void print_ucode_dbg_info(struct otx2_cpt_ucode *ucode)
+{
+ pr_debug("Ucode info\n");
+ pr_debug("Ucode version string %s\n", ucode->ver_str);
+ pr_debug("Ucode version %d.%d.%d.%d\n", ucode->ver_num.nn,
+ ucode->ver_num.xx, ucode->ver_num.yy, ucode->ver_num.zz);
+ pr_debug("Ucode type %s\n", get_ucode_type_str(ucode->type));
+ pr_debug("Ucode size %d\n", ucode->size);
+ pr_debug("Ucode virt address %16.16llx\n", (u64)ucode->va);
+ pr_debug("Ucode phys address %16.16llx\n", ucode->dma);
+}
+
+static void print_engines_mask(struct otx2_cpt_eng_grp_info *eng_grp,
+ void *obj, char *buf, int size)
+{
+ struct otx2_cptpf_dev *cptpf = obj;
+ struct otx2_cpt_bitmap bmap;
+ u32 mask[4];
+
+ bmap = get_cores_bmap(&cptpf->pdev->dev, eng_grp);
+ if (!bmap.size) {
+ scnprintf(buf, size, "unknown");
+ return;
+ }
+ bitmap_to_arr32(mask, bmap.bits, bmap.size);
+ scnprintf(buf, size, "%8.8x %8.8x %8.8x %8.8x", mask[3], mask[2],
+ mask[1], mask[0]);
+}
+
+static void print_dbg_info(struct device *dev,
+ struct otx2_cpt_eng_grps *eng_grps)
+{
+ struct otx2_cpt_eng_grp_info *mirrored_grp;
+ char engs_info[2*OTX2_CPT_NAME_LENGTH];
+ char engs_mask[OTX2_CPT_NAME_LENGTH];
+ struct otx2_cpt_eng_grp_info *grp;
+ struct otx2_cpt_engs_rsvd *engs;
+ u32 mask[4];
+ int i, j;
+
+ pr_debug("Engine groups global info\n");
+ pr_debug("max SE %d, max IE %d, max AE %d\n",
+ eng_grps->avail.max_se_cnt, eng_grps->avail.max_ie_cnt,
+ eng_grps->avail.max_ae_cnt);
+ pr_debug("free SE %d\n", eng_grps->avail.se_cnt);
+ pr_debug("free IE %d\n", eng_grps->avail.ie_cnt);
+ pr_debug("free AE %d\n", eng_grps->avail.ae_cnt);
+
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
+ grp = &eng_grps->grp[i];
+ pr_debug("engine_group%d, state %s\n", i, grp->is_enabled ?
+ "enabled" : "disabled");
+ if (grp->is_enabled) {
+ mirrored_grp = &eng_grps->grp[grp->mirror.idx];
+ pr_debug("Ucode0 filename %s, version %s\n",
+ grp->mirror.is_ena ?
+ mirrored_grp->ucode[0].filename :
+ grp->ucode[0].filename,
+ grp->mirror.is_ena ?
+ mirrored_grp->ucode[0].ver_str :
+ grp->ucode[0].ver_str);
+ if (is_2nd_ucode_used(grp))
+ pr_debug("Ucode1 filename %s, version %s\n",
+ grp->ucode[1].filename,
+ grp->ucode[1].ver_str);
+ else
+ pr_debug("Ucode1 not used\n");
+ }
+
+ for (j = 0; j < OTX2_CPT_MAX_ETYPES_PER_GRP; j++) {
+ engs = &grp->engs[j];
+ if (engs->type) {
+ print_engs_info(grp, engs_info,
+ 2*OTX2_CPT_NAME_LENGTH,
+ j);
+ pr_debug("Slot%d: %s\n", j, engs_info);
+ bitmap_to_arr32(mask, engs->bmap,
+ eng_grps->engs_num);
+ pr_debug("Mask: %8.8x %8.8x %8.8x %8.8x\n",
+ mask[3], mask[2], mask[1], mask[0]);
+ } else
+ pr_debug("Slot%d not used\n", j);
+ }
+ if (grp->is_enabled) {
+ print_engines_mask(grp, eng_grps->obj, engs_mask,
+ OTX2_CPT_NAME_LENGTH);
+ pr_debug("Cmask: %s\n", engs_mask);
+ }
+ }
+}
+
+static int update_engines_avail_count(struct device *dev,
+ struct otx2_cpt_engs_available *avail,
+ struct otx2_cpt_engs_rsvd *engs, int val)
+{
+ switch (engs->type) {
+ case OTX2_CPT_SE_TYPES:
+ avail->se_cnt += val;
+ break;
+
+ case OTX2_CPT_IE_TYPES:
+ avail->ie_cnt += val;
+ break;
+
+ case OTX2_CPT_AE_TYPES:
+ avail->ae_cnt += val;
+ break;
+
+ default:
+ dev_err(dev, "Invalid engine type %d\n", engs->type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int update_engines_offset(struct device *dev,
+ struct otx2_cpt_engs_available *avail,
+ struct otx2_cpt_engs_rsvd *engs)
+{
+ switch (engs->type) {
+ case OTX2_CPT_SE_TYPES:
+ engs->offset = 0;
+ break;
+
+ case OTX2_CPT_IE_TYPES:
+ engs->offset = avail->max_se_cnt;
+ break;
+
+ case OTX2_CPT_AE_TYPES:
+ engs->offset = avail->max_se_cnt + avail->max_ie_cnt;
+ break;
+
+ default:
+ dev_err(dev, "Invalid engine type %d\n", engs->type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int release_engines(struct device *dev,
+ struct otx2_cpt_eng_grp_info *grp)
+{
+ int i, ret = 0;
+
+ for (i = 0; i < OTX2_CPT_MAX_ETYPES_PER_GRP; i++) {
+ if (!grp->engs[i].type)
+ continue;
+
+ if (grp->engs[i].count > 0) {
+ ret = update_engines_avail_count(dev, &grp->g->avail,
+ &grp->engs[i],
+ grp->engs[i].count);
+ if (ret)
+ return ret;
+ }
+
+ grp->engs[i].type = 0;
+ grp->engs[i].count = 0;
+ grp->engs[i].offset = 0;
+ grp->engs[i].ucode = NULL;
+ bitmap_zero(grp->engs[i].bmap, grp->g->engs_num);
+ }
+ return 0;
+}
+
+static int do_reserve_engines(struct device *dev,
+ struct otx2_cpt_eng_grp_info *grp,
+ struct otx2_cpt_engines *req_engs)
+{
+ struct otx2_cpt_engs_rsvd *engs = NULL;
+ int i, ret;
+
+ for (i = 0; i < OTX2_CPT_MAX_ETYPES_PER_GRP; i++) {
+ if (!grp->engs[i].type) {
+ engs = &grp->engs[i];
+ break;
+ }
+ }
+
+ if (!engs)
+ return -ENOMEM;
+
+ engs->type = req_engs->type;
+ engs->count = req_engs->count;
+
+ ret = update_engines_offset(dev, &grp->g->avail, engs);
+ if (ret)
+ return ret;
+
+ if (engs->count > 0) {
+ ret = update_engines_avail_count(dev, &grp->g->avail, engs,
+ -engs->count);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int check_engines_availability(struct device *dev,
+ struct otx2_cpt_eng_grp_info *grp,
+ struct otx2_cpt_engines *req_eng)
+{
+ int avail_cnt = 0;
+
+ switch (req_eng->type) {
+ case OTX2_CPT_SE_TYPES:
+ avail_cnt = grp->g->avail.se_cnt;
+ break;
+
+ case OTX2_CPT_IE_TYPES:
+ avail_cnt = grp->g->avail.ie_cnt;
+ break;
+
+ case OTX2_CPT_AE_TYPES:
+ avail_cnt = grp->g->avail.ae_cnt;
+ break;
+
+ default:
+ dev_err(dev, "Invalid engine type %d\n", req_eng->type);
+ return -EINVAL;
+ }
+
+ if (avail_cnt < req_eng->count) {
+ dev_err(dev,
+ "Error available %s engines %d < than requested %d\n",
+ get_eng_type_str(req_eng->type),
+ avail_cnt, req_eng->count);
+ return -EBUSY;
+ }
+ return 0;
+}
+
+static int reserve_engines(struct device *dev,
+ struct otx2_cpt_eng_grp_info *grp,
+ struct otx2_cpt_engines *req_engs, int req_cnt)
+{
+ int i, ret = 0;
+
+ /* Validate if a number of requested engines is available */
+ for (i = 0; i < req_cnt; i++) {
+ ret = check_engines_availability(dev, grp, &req_engs[i]);
+ if (ret)
+ return ret;
+ }
+
+ /* Reserve requested engines for this engine group */
+ for (i = 0; i < req_cnt; i++) {
+ ret = do_reserve_engines(dev, grp, &req_engs[i]);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
+static ssize_t eng_grp_info_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct otx2_cpt_eng_grp_info *eng_grp;
+ char ucode_info[2*OTX2_CPT_NAME_LENGTH];
+ char engs_info[2*OTX2_CPT_NAME_LENGTH];
+ char engs_mask[OTX2_CPT_NAME_LENGTH];
+ int ret;
+
+ eng_grp = container_of(attr, struct otx2_cpt_eng_grp_info, info_attr);
+ mutex_lock(&eng_grp->g->lock);
+
+ print_engs_info(eng_grp, engs_info, 2 * OTX2_CPT_NAME_LENGTH, -1);
+ print_ucode_info(eng_grp, ucode_info, 2 * OTX2_CPT_NAME_LENGTH);
+ print_engines_mask(eng_grp, eng_grp->g, engs_mask,
+ OTX2_CPT_NAME_LENGTH);
+ ret = scnprintf(buf, PAGE_SIZE,
+ "Microcode : %s\nEngines: %s\nEngines mask: %s\n",
+ ucode_info, engs_info, engs_mask);
+
+ mutex_unlock(&eng_grp->g->lock);
+ return ret;
+}
+
+static int create_sysfs_eng_grps_info(struct device *dev,
+ struct otx2_cpt_eng_grp_info *eng_grp)
+{
+ int ret;
+
+ eng_grp->info_attr.show = eng_grp_info_show;
+ eng_grp->info_attr.store = NULL;
+ eng_grp->info_attr.attr.name = eng_grp->sysfs_info_name;
+ eng_grp->info_attr.attr.mode = 0440;
+ sysfs_attr_init(&eng_grp->info_attr.attr);
+ ret = device_create_file(dev, &eng_grp->info_attr);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static void ucode_unload(struct device *dev, struct otx2_cpt_ucode *ucode)
+{
+ if (ucode->va) {
+ dma_free_coherent(dev, ucode->size, ucode->va, ucode->dma);
+ ucode->va = NULL;
+ ucode->dma = 0;
+ ucode->size = 0;
+ }
+
+ memset(&ucode->ver_str, 0, OTX2_CPT_UCODE_VER_STR_SZ);
+ memset(&ucode->ver_num, 0, sizeof(struct otx2_cpt_ucode_ver_num));
+ set_ucode_filename(ucode, "");
+ ucode->type = 0;
+}
+
+static int copy_ucode_to_dma_mem(struct device *dev,
+ struct otx2_cpt_ucode *ucode,
+ const u8 *ucode_data)
+{
+ u32 i;
+
+ /* Allocate DMAable space */
+ ucode->va = dma_alloc_coherent(dev, ucode->size, &ucode->dma,
+ GFP_KERNEL);
+ if (!ucode->va)
+ return -ENOMEM;
+
+ memcpy(ucode->va, ucode_data + sizeof(struct otx2_cpt_ucode_hdr),
+ ucode->size);
+
+ /* Byte swap 64-bit */
+ for (i = 0; i < (ucode->size / 8); i++)
+ cpu_to_be64s(&((u64 *)ucode->va)[i]);
+ /* Ucode needs 16-bit swap */
+ for (i = 0; i < (ucode->size / 2); i++)
+ cpu_to_be16s(&((u16 *)ucode->va)[i]);
+ return 0;
+}
+
+static int ucode_load(struct device *dev, struct otx2_cpt_ucode *ucode,
+ const char *ucode_filename)
+{
+ struct otx2_cpt_ucode_hdr *ucode_hdr;
+ const struct firmware *fw;
+ int ret;
+
+ set_ucode_filename(ucode, ucode_filename);
+ ret = request_firmware(&fw, ucode->filename, dev);
+ if (ret)
+ return ret;
+
+ ucode_hdr = (struct otx2_cpt_ucode_hdr *) fw->data;
+ memcpy(ucode->ver_str, ucode_hdr->ver_str, OTX2_CPT_UCODE_VER_STR_SZ);
+ ucode->ver_num = ucode_hdr->ver_num;
+ ucode->size = ntohl(ucode_hdr->code_length) * 2;
+ if (!ucode->size || (fw->size < round_up(ucode->size, 16)
+ + sizeof(struct otx2_cpt_ucode_hdr) + OTX2_CPT_UCODE_SIGN_LEN)) {
+ dev_err(dev, "Ucode %s invalid size\n", ucode_filename);
+ ret = -EINVAL;
+ goto release_fw;
+ }
+
+ ret = get_ucode_type(dev, ucode_hdr, &ucode->type);
+ if (ret) {
+ dev_err(dev, "Microcode %s unknown type 0x%x\n",
+ ucode->filename, ucode->type);
+ goto release_fw;
+ }
+
+ ret = copy_ucode_to_dma_mem(dev, ucode, fw->data);
+ if (ret)
+ goto release_fw;
+
+ print_ucode_dbg_info(ucode);
+release_fw:
+ release_firmware(fw);
+ return ret;
+}
+
+static int enable_eng_grp(struct otx2_cpt_eng_grp_info *eng_grp,
+ void *obj)
+{
+ int ret;
+
+ /* Point microcode to each core of the group */
+ ret = cpt_set_ucode_base(eng_grp, obj);
+ if (ret)
+ return ret;
+
+ /* Attach the cores to the group and enable them */
+ ret = cpt_attach_and_enable_cores(eng_grp, obj);
+
+ return ret;
+}
+
+static int disable_eng_grp(struct device *dev,
+ struct otx2_cpt_eng_grp_info *eng_grp,
+ void *obj)
+{
+ int i, ret;
+
+ /* Disable all engines used by this group */
+ ret = cpt_detach_and_disable_cores(eng_grp, obj);
+ if (ret)
+ return ret;
+
+ /* Unload ucode used by this engine group */
+ ucode_unload(dev, &eng_grp->ucode[0]);
+ ucode_unload(dev, &eng_grp->ucode[1]);
+
+ for (i = 0; i < OTX2_CPT_MAX_ETYPES_PER_GRP; i++) {
+ if (!eng_grp->engs[i].type)
+ continue;
+
+ eng_grp->engs[i].ucode = &eng_grp->ucode[0];
+ }
+
+ /* Clear UCODE_BASE register for each engine used by this group */
+ ret = cpt_set_ucode_base(eng_grp, obj);
+
+ return ret;
+}
+
+static void setup_eng_grp_mirroring(struct otx2_cpt_eng_grp_info *dst_grp,
+ struct otx2_cpt_eng_grp_info *src_grp)
+{
+ /* Setup fields for engine group which is mirrored */
+ src_grp->mirror.is_ena = false;
+ src_grp->mirror.idx = 0;
+ src_grp->mirror.ref_count++;
+
+ /* Setup fields for mirroring engine group */
+ dst_grp->mirror.is_ena = true;
+ dst_grp->mirror.idx = src_grp->idx;
+ dst_grp->mirror.ref_count = 0;
+}
+
+static void remove_eng_grp_mirroring(struct otx2_cpt_eng_grp_info *dst_grp)
+{
+ struct otx2_cpt_eng_grp_info *src_grp;
+
+ if (!dst_grp->mirror.is_ena)
+ return;
+
+ src_grp = &dst_grp->g->grp[dst_grp->mirror.idx];
+
+ src_grp->mirror.ref_count--;
+ dst_grp->mirror.is_ena = false;
+ dst_grp->mirror.idx = 0;
+ dst_grp->mirror.ref_count = 0;
+}
+
+static void update_requested_engs(struct otx2_cpt_eng_grp_info *mirror_eng_grp,
+ struct otx2_cpt_engines *engs, int engs_cnt)
+{
+ struct otx2_cpt_engs_rsvd *mirrored_engs;
+ int i;
+
+ for (i = 0; i < engs_cnt; i++) {
+ mirrored_engs = find_engines_by_type(mirror_eng_grp,
+ engs[i].type);
+ if (!mirrored_engs)
+ continue;
+
+ /*
+ * If mirrored group has this type of engines attached then
+ * there are 3 scenarios possible:
+ * 1) mirrored_engs.count == engs[i].count then all engines
+ * from mirrored engine group will be shared with this engine
+ * group
+ * 2) mirrored_engs.count > engs[i].count then only a subset of
+ * engines from mirrored engine group will be shared with this
+ * engine group
+ * 3) mirrored_engs.count < engs[i].count then all engines
+ * from mirrored engine group will be shared with this group
+ * and additional engines will be reserved for exclusively use
+ * by this engine group
+ */
+ engs[i].count -= mirrored_engs->count;
+ }
+}
+
+static struct otx2_cpt_eng_grp_info *find_mirrored_eng_grp(
+ struct otx2_cpt_eng_grp_info *grp)
+{
+ struct otx2_cpt_eng_grps *eng_grps = grp->g;
+ int i;
+
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
+ if (!eng_grps->grp[i].is_enabled)
+ continue;
+ if (eng_grps->grp[i].ucode[0].type &&
+ eng_grps->grp[i].ucode[1].type)
+ continue;
+ if (grp->idx == i)
+ continue;
+ if (!strncasecmp(eng_grps->grp[i].ucode[0].ver_str,
+ grp->ucode[0].ver_str,
+ OTX2_CPT_UCODE_VER_STR_SZ))
+ return &eng_grps->grp[i];
+ }
+
+ return NULL;
+}
+
+static struct otx2_cpt_eng_grp_info *find_unused_eng_grp(
+ struct otx2_cpt_eng_grps *eng_grps)
+{
+ int i;
+
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
+ if (!eng_grps->grp[i].is_enabled)
+ return &eng_grps->grp[i];
+ }
+ return NULL;
+}
+
+static int eng_grp_update_masks(struct device *dev,
+ struct otx2_cpt_eng_grp_info *eng_grp)
+{
+ struct otx2_cpt_engs_rsvd *engs, *mirrored_engs;
+ struct otx2_cpt_bitmap tmp_bmap = { {0} };
+ int i, j, cnt, max_cnt;
+ int bit;
+
+ for (i = 0; i < OTX2_CPT_MAX_ETYPES_PER_GRP; i++) {
+ engs = &eng_grp->engs[i];
+ if (!engs->type)
+ continue;
+ if (engs->count <= 0)
+ continue;
+
+ switch (engs->type) {
+ case OTX2_CPT_SE_TYPES:
+ max_cnt = eng_grp->g->avail.max_se_cnt;
+ break;
+
+ case OTX2_CPT_IE_TYPES:
+ max_cnt = eng_grp->g->avail.max_ie_cnt;
+ break;
+
+ case OTX2_CPT_AE_TYPES:
+ max_cnt = eng_grp->g->avail.max_ae_cnt;
+ break;
+
+ default:
+ dev_err(dev, "Invalid engine type %d\n", engs->type);
+ return -EINVAL;
+ }
+
+ cnt = engs->count;
+ WARN_ON(engs->offset + max_cnt > OTX2_CPT_MAX_ENGINES);
+ bitmap_zero(tmp_bmap.bits, eng_grp->g->engs_num);
+ for (j = engs->offset; j < engs->offset + max_cnt; j++) {
+ if (!eng_grp->g->eng_ref_cnt[j]) {
+ bitmap_set(tmp_bmap.bits, j, 1);
+ cnt--;
+ if (!cnt)
+ break;
+ }
+ }
+
+ if (cnt)
+ return -ENOSPC;
+
+ bitmap_copy(engs->bmap, tmp_bmap.bits, eng_grp->g->engs_num);
+ }
+
+ if (!eng_grp->mirror.is_ena)
+ return 0;
+
+ for (i = 0; i < OTX2_CPT_MAX_ETYPES_PER_GRP; i++) {
+ engs = &eng_grp->engs[i];
+ if (!engs->type)
+ continue;
+
+ mirrored_engs = find_engines_by_type(
+ &eng_grp->g->grp[eng_grp->mirror.idx],
+ engs->type);
+ WARN_ON(!mirrored_engs && engs->count <= 0);
+ if (!mirrored_engs)
+ continue;
+
+ bitmap_copy(tmp_bmap.bits, mirrored_engs->bmap,
+ eng_grp->g->engs_num);
+ if (engs->count < 0) {
+ bit = find_first_bit(mirrored_engs->bmap,
+ eng_grp->g->engs_num);
+ bitmap_clear(tmp_bmap.bits, bit, -engs->count);
+ }
+ bitmap_or(engs->bmap, engs->bmap, tmp_bmap.bits,
+ eng_grp->g->engs_num);
+ }
+ return 0;
+}
+
+static int delete_engine_group(struct device *dev,
+ struct otx2_cpt_eng_grp_info *eng_grp)
+{
+ int i, ret;
+
+ if (!eng_grp->is_enabled)
+ return -EINVAL;
+
+ if (eng_grp->mirror.ref_count) {
+ dev_err(dev, "Can't delete engine_group%d as it is used by engine group(s):",
+ eng_grp->idx);
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
+ if (eng_grp->g->grp[i].mirror.is_ena &&
+ eng_grp->g->grp[i].mirror.idx == eng_grp->idx)
+ pr_cont("%d", i);
+ }
+ pr_cont("\n");
+ return -EINVAL;
+ }
+
+ /* Removing engine group mirroring if enabled */
+ remove_eng_grp_mirroring(eng_grp);
+
+ /* Disable engine group */
+ ret = disable_eng_grp(dev, eng_grp, eng_grp->g->obj);
+ if (ret)
+ return ret;
+
+ /* Release all engines held by this engine group */
+ ret = release_engines(dev, eng_grp);
+ if (ret)
+ return ret;
+
+ device_remove_file(dev, &eng_grp->info_attr);
+ eng_grp->is_enabled = false;
+
+ return 0;
+}
+
+static int validate_2_ucodes_scenario(struct device *dev,
+ struct otx2_cpt_eng_grp_info *eng_grp)
+{
+ struct otx2_cpt_ucode *se_ucode = NULL, *ie_ucode = NULL;
+ struct otx2_cpt_ucode *ucode;
+ int i;
+
+ /*
+ * Find ucode which supports SE engines and ucode which supports
+ * IE engines only
+ */
+ for (i = 0; i < OTX2_CPT_MAX_ETYPES_PER_GRP; i++) {
+ ucode = &eng_grp->ucode[i];
+ if (otx2_cpt_uc_supports_eng_type(ucode, OTX2_CPT_SE_TYPES))
+ se_ucode = ucode;
+ else if (otx2_cpt_uc_supports_eng_type(ucode,
+ OTX2_CPT_IE_TYPES) &&
+ !otx2_cpt_uc_supports_eng_type(ucode,
+ OTX2_CPT_SE_TYPES))
+ ie_ucode = ucode;
+ }
+
+ if (!se_ucode || !ie_ucode) {
+ dev_err(dev,
+ "Only combination of SE+IE microcodes is supported.\n");
+ return -EINVAL;
+ }
+
+ /* Keep SE ucode at index 0 */
+ if (otx2_cpt_uc_supports_eng_type(&eng_grp->ucode[1],
+ OTX2_CPT_SE_TYPES))
+ swap_ucodes(&eng_grp->ucode[0], &eng_grp->ucode[1]);
+
+ return 0;
+}
+
+static int validate_1_ucode_scenario(struct device *dev,
+ struct otx2_cpt_eng_grp_info *eng_grp,
+ struct otx2_cpt_engines *engs,
+ int engs_cnt)
+{
+ int i;
+
+ /* Verify that ucode loaded supports requested engine types */
+ for (i = 0; i < engs_cnt; i++) {
+ if (otx2_cpt_uc_supports_eng_type(&eng_grp->ucode[0],
+ OTX2_CPT_SE_TYPES) &&
+ engs[i].type == OTX2_CPT_IE_TYPES) {
+ dev_err(dev,
+ "IE engines can't be used with SE microcode\n");
+ return -EINVAL;
+ }
+
+ if (!otx2_cpt_uc_supports_eng_type(&eng_grp->ucode[0],
+ engs[i].type)) {
+ /*
+ * Exception to this rule is the case
+ * where IPSec ucode can use SE engines
+ */
+ if (otx2_cpt_uc_supports_eng_type(&eng_grp->ucode[0],
+ OTX2_CPT_IE_TYPES) &&
+ engs[i].type == OTX2_CPT_SE_TYPES)
+ continue;
+
+ dev_err(dev,
+ "Microcode %s does not support %s engines\n",
+ eng_grp->ucode[0].filename,
+ get_eng_type_str(engs[i].type));
+ return -EINVAL;
+ }
+ }
+ return 0;
+}
+
+static void update_ucode_ptrs(struct otx2_cpt_eng_grp_info *eng_grp)
+{
+ struct otx2_cpt_ucode *ucode;
+
+ if (eng_grp->mirror.is_ena)
+ ucode = &eng_grp->g->grp[eng_grp->mirror.idx].ucode[0];
+ else
+ ucode = &eng_grp->ucode[0];
+ WARN_ON(!eng_grp->engs[0].type);
+ eng_grp->engs[0].ucode = ucode;
+
+ if (eng_grp->engs[1].type) {
+ if (is_2nd_ucode_used(eng_grp))
+ eng_grp->engs[1].ucode = &eng_grp->ucode[1];
+ else
+ eng_grp->engs[1].ucode = ucode;
+ }
+}
+
+static int get_eng_caps_discovery_grp(struct otx2_cpt_eng_grps *eng_grps,
+ u8 eng_type)
+{
+ struct otx2_cpt_eng_grp_info *grp;
+ int eng_grp_num = 0xff, i;
+
+ switch (eng_type) {
+ case OTX2_CPT_SE_TYPES:
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
+ grp = &eng_grps->grp[i];
+ if (!grp->is_enabled)
+ continue;
+
+ if (otx2_cpt_eng_grp_has_eng_type(grp,
+ OTX2_CPT_SE_TYPES) &&
+ !otx2_cpt_eng_grp_has_eng_type(grp,
+ OTX2_CPT_IE_TYPES) &&
+ !otx2_cpt_eng_grp_has_eng_type(grp,
+ OTX2_CPT_AE_TYPES)) {
+ eng_grp_num = i;
+ break;
+ }
+ }
+ break;
+
+ case OTX2_CPT_IE_TYPES:
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
+ grp = &eng_grps->grp[i];
+ if (!grp->is_enabled)
+ continue;
+
+ if (otx2_cpt_eng_grp_has_eng_type(grp,
+ OTX2_CPT_IE_TYPES) &&
+ !otx2_cpt_eng_grp_has_eng_type(grp,
+ OTX2_CPT_SE_TYPES)) {
+ eng_grp_num = i;
+ break;
+ }
+ }
+ break;
+
+ case OTX2_CPT_AE_TYPES:
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
+ grp = &eng_grps->grp[i];
+ if (!grp->is_enabled)
+ continue;
+
+ if (otx2_cpt_eng_grp_has_eng_type(grp, eng_type)) {
+ eng_grp_num = i;
+ break;
+ }
+ }
+ break;
+ }
+ return eng_grp_num;
+}
+
+static int delete_eng_caps_discovery_grps(struct pci_dev *pdev,
+ struct otx2_cpt_eng_grps *eng_grps)
+{
+ struct otx2_cpt_eng_grp_info *grp;
+ int i, ret;
+
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
+ grp = &eng_grps->grp[i];
+ ret = delete_engine_group(&pdev->dev, grp);
+ if (ret)
+ return ret;
+ }
+ return ret;
+}
+
+static int create_engine_group(struct device *dev,
+ struct otx2_cpt_eng_grps *eng_grps,
+ struct otx2_cpt_engines *engs, int engs_cnt,
+ void *ucode_data[], int ucodes_cnt,
+ bool use_uc_from_tar_arch)
+{
+ struct otx2_cpt_eng_grp_info *mirrored_eng_grp;
+ struct tar_ucode_info_t *tar_ucode_info;
+ struct otx2_cpt_eng_grp_info *eng_grp;
+ int i, ret = 0;
+
+ if (ucodes_cnt > OTX2_CPT_MAX_ETYPES_PER_GRP)
+ return -EINVAL;
+
+ /* Validate if requested engine types are supported by this device */
+ for (i = 0; i < engs_cnt; i++)
+ if (!dev_supports_eng_type(eng_grps, engs[i].type)) {
+ dev_err(dev, "Device does not support %s engines\n",
+ get_eng_type_str(engs[i].type));
+ return -EPERM;
+ }
+
+ /* Find engine group which is not used */
+ eng_grp = find_unused_eng_grp(eng_grps);
+ if (!eng_grp) {
+ dev_err(dev, "Error all engine groups are being used\n");
+ return -ENOSPC;
+ }
+
+ /* Load ucode */
+ for (i = 0; i < ucodes_cnt; i++) {
+ if (use_uc_from_tar_arch) {
+ tar_ucode_info =
+ (struct tar_ucode_info_t *) ucode_data[i];
+ eng_grp->ucode[i] = tar_ucode_info->ucode;
+ ret = copy_ucode_to_dma_mem(dev, &eng_grp->ucode[i],
+ tar_ucode_info->ucode_ptr);
+ } else
+ ret = ucode_load(dev, &eng_grp->ucode[i],
+ (char *) ucode_data[i]);
+ if (ret)
+ goto err_ucode_unload;
+ }
+
+ if (ucodes_cnt > 1) {
+ /*
+ * Validate scenario where 2 ucodes are used - this
+ * is only allowed for combination of SE+IE ucodes
+ */
+ ret = validate_2_ucodes_scenario(dev, eng_grp);
+ if (ret)
+ goto err_ucode_unload;
+ } else {
+ /* Validate scenario where 1 ucode is used */
+ ret = validate_1_ucode_scenario(dev, eng_grp, engs, engs_cnt);
+ if (ret)
+ goto err_ucode_unload;
+ }
+
+ /* Check if this group mirrors another existing engine group */
+ mirrored_eng_grp = find_mirrored_eng_grp(eng_grp);
+ if (mirrored_eng_grp) {
+ /* Setup mirroring */
+ setup_eng_grp_mirroring(eng_grp, mirrored_eng_grp);
+
+ /*
+ * Update count of requested engines because some
+ * of them might be shared with mirrored group
+ */
+ update_requested_engs(mirrored_eng_grp, engs, engs_cnt);
+ }
+
+ ret = reserve_engines(dev, eng_grp, engs, engs_cnt);
+ if (ret)
+ goto err_ucode_unload;
+
+ /* Update ucode pointers used by engines */
+ update_ucode_ptrs(eng_grp);
+
+ /* Update engine masks used by this group */
+ ret = eng_grp_update_masks(dev, eng_grp);
+ if (ret)
+ goto err_release_engs;
+
+ /* Create sysfs entry for engine group info */
+ ret = create_sysfs_eng_grps_info(dev, eng_grp);
+ if (ret)
+ goto err_release_engs;
+
+ /* Enable engine group */
+ ret = enable_eng_grp(eng_grp, eng_grps->obj);
+ if (ret)
+ goto err_release_engs;
+
+ /*
+ * If this engine group mirrors another engine group
+ * then we need to unload ucode as we will use ucode
+ * from mirrored engine group
+ */
+ if (eng_grp->mirror.is_ena)
+ ucode_unload(dev, &eng_grp->ucode[0]);
+
+ eng_grp->is_enabled = true;
+ if (mirrored_eng_grp)
+ dev_info(dev,
+ "Engine_group%d: reuse microcode %s from group %d\n",
+ eng_grp->idx, mirrored_eng_grp->ucode[0].ver_str,
+ mirrored_eng_grp->idx);
+ else
+ dev_info(dev, "Engine_group%d: microcode loaded %s\n",
+ eng_grp->idx, eng_grp->ucode[0].ver_str);
+ if (is_2nd_ucode_used(eng_grp))
+ dev_info(dev, "Engine_group%d: microcode loaded %s\n",
+ eng_grp->idx, eng_grp->ucode[1].ver_str);
+
+ return 0;
+
+err_release_engs:
+ release_engines(dev, eng_grp);
+err_ucode_unload:
+ ucode_unload(dev, &eng_grp->ucode[0]);
+ ucode_unload(dev, &eng_grp->ucode[1]);
+ return ret;
+}
+
+static ssize_t ucode_load_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct otx2_cpt_engines engs[OTX2_CPT_MAX_ETYPES_PER_GRP] = { {0} };
+ char *ucode_filename[OTX2_CPT_MAX_ETYPES_PER_GRP];
+ char tmp_buf[OTX2_CPT_NAME_LENGTH] = { 0 };
+ struct otx2_cpt_eng_grps *eng_grps;
+ char *start, *val, *err_msg, *tmp;
+ int grp_idx = 0, ret = -EINVAL;
+ bool has_se, has_ie, has_ae;
+ int del_grp_idx = -1;
+ int ucode_idx = 0;
+ char *sbegin;
+
+ if (strlen(buf) > OTX2_CPT_NAME_LENGTH)
+ return -EINVAL;
+
+ eng_grps = container_of(attr, struct otx2_cpt_eng_grps,
+ ucode_load_attr);
+ err_msg = "Invalid engine group format";
+ strlcpy(tmp_buf, buf, OTX2_CPT_NAME_LENGTH);
+ start = tmp_buf;
+
+ has_se = has_ie = has_ae = false;
+
+ for (;;) {
+ val = strsep(&start, ";");
+ if (!val)
+ break;
+ val = strim(val);
+ if (!*val)
+ continue;
+
+ if (!strncasecmp(val, "engine_group", 12)) {
+ if (del_grp_idx != -1)
+ goto err_print;
+ sbegin = strsep(&val, ":");
+ if (sbegin == NULL || val == NULL)
+ goto err_print;
+ tmp = strim(sbegin);
+ if (strlen(tmp) != 13)
+ goto err_print;
+ if (kstrtoint((tmp + 12), 10, &del_grp_idx))
+ goto err_print;
+ val = strim(val);
+ if (strncasecmp(val, "null", 4))
+ goto err_print;
+ if (strlen(val) != 4)
+ goto err_print;
+ } else if (!strncasecmp(val, "se", 2) && strchr(val, ':')) {
+ if (has_se || ucode_idx)
+ goto err_print;
+ sbegin = strsep(&val, ":");
+ if (sbegin == NULL || val == NULL)
+ goto err_print;
+ tmp = strim(sbegin);
+ if (strlen(tmp) != 2)
+ goto err_print;
+ if (kstrtoint(strim(val), 10, &engs[grp_idx].count))
+ goto err_print;
+ engs[grp_idx++].type = OTX2_CPT_SE_TYPES;
+ has_se = true;
+ } else if (!strncasecmp(val, "ae", 2) && strchr(val, ':')) {
+ if (has_ae || ucode_idx)
+ goto err_print;
+ sbegin = strsep(&val, ":");
+ if (sbegin == NULL || !val)
+ goto err_print;
+ tmp = strim(sbegin);
+ if (strlen(tmp) != 2)
+ goto err_print;
+ if (kstrtoint(strim(val), 10, &engs[grp_idx].count))
+ goto err_print;
+ engs[grp_idx++].type = OTX2_CPT_AE_TYPES;
+ has_ae = true;
+ } else if (!strncasecmp(val, "ie", 2) && strchr(val, ':')) {
+ if (has_ie || ucode_idx)
+ goto err_print;
+ sbegin = strsep(&val, ":");
+ if (sbegin == NULL || !val)
+ goto err_print;
+ tmp = strim(sbegin);
+ if (strlen(tmp) != 2)
+ goto err_print;
+ if (kstrtoint(strim(val), 10, &engs[grp_idx].count))
+ goto err_print;
+ engs[grp_idx++].type = OTX2_CPT_IE_TYPES;
+ has_ie = true;
+ } else {
+ if (ucode_idx > 1)
+ goto err_print;
+ if (!strlen(val))
+ goto err_print;
+ if (strnstr(val, " ", strlen(val)))
+ goto err_print;
+ ucode_filename[ucode_idx++] = val;
+ }
+ }
+
+ /* Validate input parameters */
+ if (del_grp_idx == -1) {
+ if (!(grp_idx && ucode_idx))
+ goto err_print;
+
+ if (ucode_idx > 1 && grp_idx < 2)
+ goto err_print;
+
+ if (grp_idx > OTX2_CPT_MAX_ETYPES_PER_GRP) {
+ err_msg = "Error max 2 engine types can be attached";
+ goto err_print;
+ }
+
+ if (grp_idx > 1) {
+ if ((engs[0].type + engs[1].type) !=
+ (OTX2_CPT_SE_TYPES + OTX2_CPT_IE_TYPES)) {
+ err_msg =
+ "Only combination of SE+IE engines is allowed";
+ goto err_print;
+ }
+
+ /* Keep SE engines at zero index */
+ if (engs[1].type == OTX2_CPT_SE_TYPES)
+ swap_engines(&engs[0], &engs[1]);
+ }
+
+ } else {
+ if (del_grp_idx < 0 || del_grp_idx >=
+ OTX2_CPT_MAX_ENGINE_GROUPS) {
+ dev_err(dev, "Invalid engine group index %d\n",
+ del_grp_idx);
+ return -EINVAL;
+ }
+
+ if (!eng_grps->grp[del_grp_idx].is_enabled) {
+ dev_err(dev, "Error engine_group%d is not configured\n",
+ del_grp_idx);
+ return -EINVAL;
+ }
+
+ if (grp_idx || ucode_idx)
+ goto err_print;
+ }
+
+ mutex_lock(&eng_grps->lock);
+
+ if (eng_grps->is_rdonly) {
+ dev_err(dev, "Disable VFs before modifying engine groups\n");
+ ret = -EACCES;
+ goto err_unlock;
+ }
+
+ if (del_grp_idx == -1)
+ /* create engine group */
+ ret = create_engine_group(dev, eng_grps, engs, grp_idx,
+ (void **) ucode_filename,
+ ucode_idx, false);
+ else
+ /* delete engine group */
+ ret = delete_engine_group(dev, &eng_grps->grp[del_grp_idx]);
+ if (ret)
+ goto err_unlock;
+
+ print_dbg_info(dev, eng_grps);
+err_unlock:
+ mutex_unlock(&eng_grps->lock);
+ return ret ? ret : count;
+err_print:
+ dev_err(dev, "%s\n", err_msg);
+
+ return ret;
+}
+
+static int create_eng_caps_discovery_grps(struct pci_dev *pdev,
+ struct otx2_cpt_eng_grps *eng_grps)
+{
+ struct tar_ucode_info_t *tar_info[OTX2_CPT_MAX_ETYPES_PER_GRP] = { 0 };
+ struct otx2_cpt_engines engs[OTX2_CPT_MAX_ETYPES_PER_GRP] = { {0} };
+ struct tar_arch_info_t *tar_arch = NULL;
+ char tar_filename[OTX2_CPT_NAME_LENGTH];
+ int ret = -EINVAL;
+
+ sprintf(tar_filename, "cpt%02d-mc.tar", pdev->revision);
+ tar_arch = load_tar_archive(&pdev->dev, tar_filename);
+ if (!tar_arch)
+ return -EINVAL;
+ /*
+ * If device supports AE engines and there is AE microcode in tar
+ * archive try to create engine group with AE engines.
+ */
+ tar_info[0] = get_uc_from_tar_archive(tar_arch, OTX2_CPT_AE_TYPES);
+ if (tar_info[0] && dev_supports_eng_type(eng_grps, OTX2_CPT_AE_TYPES)) {
+
+ engs[0].type = OTX2_CPT_AE_TYPES;
+ engs[0].count = 2;
+
+ ret = create_engine_group(&pdev->dev, eng_grps, engs, 1,
+ (void **) tar_info, 1, true);
+ if (ret)
+ goto release_tar;
+ }
+ /*
+ * If device supports SE engines and there is SE microcode in tar
+ * archive try to create engine group with SE engines.
+ */
+ tar_info[0] = get_uc_from_tar_archive(tar_arch, OTX2_CPT_SE_TYPES);
+ if (tar_info[0] && dev_supports_eng_type(eng_grps, OTX2_CPT_SE_TYPES)) {
+
+ engs[0].type = OTX2_CPT_SE_TYPES;
+ engs[0].count = 2;
+
+ ret = create_engine_group(&pdev->dev, eng_grps, engs, 1,
+ (void **) tar_info, 1, true);
+ if (ret)
+ goto release_tar;
+ }
+ /*
+ * If device supports IE engines and there is IE microcode in tar
+ * archive try to create engine group with IE engines.
+ */
+ tar_info[0] = get_uc_from_tar_archive(tar_arch, OTX2_CPT_IE_TYPES);
+ if (tar_info[0] && dev_supports_eng_type(eng_grps, OTX2_CPT_IE_TYPES)) {
+
+ engs[0].type = OTX2_CPT_IE_TYPES;
+ engs[0].count = 2;
+
+ ret = create_engine_group(&pdev->dev, eng_grps, engs, 1,
+ (void **) tar_info, 1, true);
+ if (ret)
+ goto release_tar;
+ }
+release_tar:
+ release_tar_archive(tar_arch);
+ return ret;
+}
+
+/*
+ * Get CPT HW capabilities using LOAD_FVC operation.
+ */
+int otx2_cpt_discover_eng_capabilities(void *obj)
+{
+ struct otx2_cptpf_dev *cptpf = obj;
+ struct otx2_cpt_iq_command iq_cmd;
+ union otx2_cpt_opcode opcode;
+ union otx2_cpt_res_s *result;
+ union otx2_cpt_inst_s inst;
+ dma_addr_t rptr_baddr;
+ struct pci_dev *pdev;
+ u32 len, compl_rlen;
+ int ret, etype;
+ void *rptr;
+
+ /*
+ * We don't get capabilities if it was already done
+ * (when user enabled VFs for the first time)
+ */
+ if (cptpf->is_eng_caps_discovered)
+ return 0;
+
+ pdev = cptpf->pdev;
+ ret = create_eng_caps_discovery_grps(pdev, &cptpf->eng_grps);
+ if (ret)
+ goto delete_grps;
+
+ ret = otx2_cptpf_lf_init(cptpf, OTX2_CPT_ALL_ENG_GRPS_MASK,
+ OTX2_CPT_QUEUE_HI_PRIO, 1);
+ if (ret)
+ goto delete_grps;
+
+ compl_rlen = ALIGN(sizeof(union otx2_cpt_res_s), OTX2_CPT_DMA_MINALIGN);
+ len = compl_rlen + LOADFVC_RLEN;
+
+ result = kzalloc(len, GFP_KERNEL);
+ if (!result) {
+ ret = -ENOMEM;
+ goto lf_cleanup;
+ }
+ rptr_baddr = dma_map_single(&pdev->dev, (void *)result, len,
+ DMA_BIDIRECTIONAL);
+ if (dma_mapping_error(&pdev->dev, rptr_baddr)) {
+ dev_err(&pdev->dev, "DMA mapping failed\n");
+ ret = -EFAULT;
+ goto free_result;
+ }
+ rptr = (u8 *)result + compl_rlen;
+
+ /* Fill in the command */
+ opcode.s.major = LOADFVC_MAJOR_OP;
+ opcode.s.minor = LOADFVC_MINOR_OP;
+
+ iq_cmd.cmd.u = 0;
+ iq_cmd.cmd.s.opcode = cpu_to_be16(opcode.flags);
+
+ /* 64-bit swap for microcode data reads, not needed for addresses */
+ cpu_to_be64s(&iq_cmd.cmd.u);
+ iq_cmd.dptr = 0;
+ iq_cmd.rptr = rptr_baddr + compl_rlen;
+ iq_cmd.cptr.u = 0;
+
+ for (etype = 1; etype < OTX2_CPT_MAX_ENG_TYPES; etype++) {
+ result->s.compcode = OTX2_CPT_COMPLETION_CODE_INIT;
+ iq_cmd.cptr.s.grp = get_eng_caps_discovery_grp(
+ &cptpf->eng_grps, etype);
+ otx2_cpt_fill_inst(&inst, &iq_cmd, rptr_baddr);
+ otx2_cpt_send_cmd(&inst, 1, &cptpf->lfs.lf[0]);
+
+ while (result->s.compcode == OTX2_CPT_COMPLETION_CODE_INIT)
+ cpu_relax();
+
+ cptpf->eng_caps[etype].u = be64_to_cpup(rptr);
+ }
+ dma_unmap_single(&pdev->dev, rptr_baddr, len, DMA_BIDIRECTIONAL);
+ cptpf->is_eng_caps_discovered = true;
+free_result:
+ kzfree(result);
+lf_cleanup:
+ otx2_cptpf_lf_cleanup(&cptpf->lfs);
+delete_grps:
+ delete_eng_caps_discovery_grps(pdev, &cptpf->eng_grps);
+
+ return ret;
+}
+
+
+int otx2_cpt_try_create_default_eng_grps(struct pci_dev *pdev,
+ struct otx2_cpt_eng_grps *eng_grps)
+{
+ struct tar_ucode_info_t *tar_info[OTX2_CPT_MAX_ETYPES_PER_GRP] = { 0 };
+ struct otx2_cpt_engines engs[OTX2_CPT_MAX_ETYPES_PER_GRP] = { {0} };
+ struct tar_arch_info_t *tar_arch = NULL;
+ char tar_filename[OTX2_CPT_NAME_LENGTH];
+ int i, ret = 0;
+
+ mutex_lock(&eng_grps->lock);
+
+ /*
+ * We don't create engine group for kernel crypto if attempt to create
+ * it was already made (when user enabled VFs for the first time)
+ */
+ if (eng_grps->is_first_try)
+ goto unlock_mutex;
+ eng_grps->is_first_try = true;
+
+ /* We create group for kcrypto only if no groups are configured */
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++)
+ if (eng_grps->grp[i].is_enabled)
+ goto unlock_mutex;
+
+ sprintf(tar_filename, "cpt%02d-mc.tar", pdev->revision);
+
+ tar_arch = load_tar_archive(&pdev->dev, tar_filename);
+ if (!tar_arch)
+ goto unlock_mutex;
+
+ /*
+ * If device supports SE engines and there is SE microcode in tar
+ * archive try to create engine group with SE engines for kernel
+ * crypto functionality (symmetric crypto)
+ */
+ tar_info[0] = get_uc_from_tar_archive(tar_arch, OTX2_CPT_SE_TYPES);
+ if (tar_info[0] && dev_supports_eng_type(eng_grps, OTX2_CPT_SE_TYPES)) {
+
+ engs[0].type = OTX2_CPT_SE_TYPES;
+ engs[0].count = eng_grps->avail.max_se_cnt;
+
+ ret = create_engine_group(&pdev->dev, eng_grps, engs, 1,
+ (void **) tar_info, 1, true);
+ if (ret)
+ goto release_tar_arch;
+ }
+
+ /*
+ * If device supports SE+IE engines and there is SE and IE microcode in
+ * tar archive try to create engine group with SE+IE engines for IPSec.
+ * All SE engines will be shared with engine group 0.
+ */
+ tar_info[0] = get_uc_from_tar_archive(tar_arch, OTX2_CPT_SE_TYPES);
+ tar_info[1] = get_uc_from_tar_archive(tar_arch, OTX2_CPT_IE_TYPES);
+ if (tar_info[0] && tar_info[1] &&
+ dev_supports_eng_type(eng_grps, OTX2_CPT_SE_TYPES) &&
+ dev_supports_eng_type(eng_grps, OTX2_CPT_IE_TYPES)) {
+
+ engs[0].type = OTX2_CPT_SE_TYPES;
+ engs[0].count = eng_grps->avail.max_se_cnt;
+ engs[1].type = OTX2_CPT_IE_TYPES;
+ engs[1].count = eng_grps->avail.max_ie_cnt;
+
+ ret = create_engine_group(&pdev->dev, eng_grps, engs, 2,
+ (void **) tar_info, 2, true);
+ if (ret)
+ goto release_tar_arch;
+ }
+
+ /*
+ * If device supports AE engines and there is AE microcode in tar
+ * archive try to create engine group with AE engines for asymmetric
+ * crypto functionality.
+ */
+ tar_info[0] = get_uc_from_tar_archive(tar_arch, OTX2_CPT_AE_TYPES);
+ if (tar_info[0] && dev_supports_eng_type(eng_grps, OTX2_CPT_AE_TYPES)) {
+
+ engs[0].type = OTX2_CPT_AE_TYPES;
+ engs[0].count = eng_grps->avail.max_ae_cnt;
+
+ ret = create_engine_group(&pdev->dev, eng_grps, engs, 1,
+ (void **) tar_info, 1, true);
+ if (ret)
+ goto release_tar_arch;
+ }
+
+ print_dbg_info(&pdev->dev, eng_grps);
+release_tar_arch:
+ release_tar_archive(tar_arch);
+unlock_mutex:
+ mutex_unlock(&eng_grps->lock);
+ return ret;
+}
+
+void otx2_cpt_set_eng_grps_is_rdonly(struct otx2_cpt_eng_grps *eng_grps,
+ bool is_rdonly)
+{
+ mutex_lock(&eng_grps->lock);
+
+ eng_grps->is_rdonly = is_rdonly;
+
+ mutex_unlock(&eng_grps->lock);
+}
+
+int otx2_cpt_disable_all_cores(struct otx2_cptpf_dev *cptpf)
+{
+ int i, ret, busy, total_cores;
+ int timeout = 10;
+ u64 reg = 0;
+
+ total_cores = cptpf->eng_grps.avail.max_se_cnt +
+ cptpf->eng_grps.avail.max_ie_cnt +
+ cptpf->eng_grps.avail.max_ae_cnt;
+
+ /* Disengage the cores from groups */
+ for (i = 0; i < total_cores; i++) {
+ ret = otx2_cpt_add_write_af_reg(cptpf->pdev,
+ CPT_AF_EXEX_CTL2(i), 0x0);
+ if (ret)
+ return ret;
+
+ cptpf->eng_grps.eng_ref_cnt[i] = 0;
+ }
+ ret = otx2_cpt_send_af_reg_requests(cptpf->pdev);
+ if (ret)
+ return ret;
+
+ /* Wait for cores to become idle */
+ do {
+ busy = 0;
+ usleep_range(10000, 20000);
+ if (timeout-- < 0)
+ return -EBUSY;
+
+ for (i = 0; i < total_cores; i++) {
+ ret = otx2_cpt_read_af_reg(cptpf->pdev,
+ CPT_AF_EXEX_STS(i), ®);
+ if (ret)
+ return ret;
+
+ if (reg & 0x1) {
+ busy = 1;
+ break;
+ }
+ }
+ } while (busy);
+
+ /* Disable the cores */
+ for (i = 0; i < total_cores; i++) {
+ ret = otx2_cpt_add_write_af_reg(cptpf->pdev, CPT_AF_EXEX_CTL(i),
+ 0x0);
+ if (ret)
+ return ret;
+ }
+ ret = otx2_cpt_send_af_reg_requests(cptpf->pdev);
+
+ return ret;
+}
+
+void otx2_cpt_cleanup_eng_grps(struct pci_dev *pdev,
+ struct otx2_cpt_eng_grps *eng_grps)
+{
+ struct otx2_cpt_eng_grp_info *grp;
+ int i, j;
+
+ mutex_lock(&eng_grps->lock);
+ if (eng_grps->is_ucode_load_created) {
+ device_remove_file(&pdev->dev,
+ &eng_grps->ucode_load_attr);
+ eng_grps->is_ucode_load_created = false;
+ }
+
+ /* First delete all mirroring engine groups */
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++)
+ if (eng_grps->grp[i].mirror.is_ena)
+ delete_engine_group(&pdev->dev, &eng_grps->grp[i]);
+
+ /* Delete remaining engine groups */
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++)
+ delete_engine_group(&pdev->dev, &eng_grps->grp[i]);
+
+ /* Release memory */
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
+ grp = &eng_grps->grp[i];
+ for (j = 0; j < OTX2_CPT_MAX_ETYPES_PER_GRP; j++) {
+ kfree(grp->engs[j].bmap);
+ grp->engs[j].bmap = NULL;
+ }
+ }
+ mutex_unlock(&eng_grps->lock);
+}
+
+int otx2_cpt_init_eng_grps(struct pci_dev *pdev,
+ struct otx2_cpt_eng_grps *eng_grps)
+{
+ struct otx2_cpt_eng_grp_info *grp;
+ int i, j, ret;
+
+ mutex_init(&eng_grps->lock);
+ eng_grps->obj = pci_get_drvdata(pdev);
+ eng_grps->avail.se_cnt = eng_grps->avail.max_se_cnt;
+ eng_grps->avail.ie_cnt = eng_grps->avail.max_ie_cnt;
+ eng_grps->avail.ae_cnt = eng_grps->avail.max_ae_cnt;
+
+ eng_grps->engs_num = eng_grps->avail.max_se_cnt +
+ eng_grps->avail.max_ie_cnt +
+ eng_grps->avail.max_ae_cnt;
+ if (eng_grps->engs_num > OTX2_CPT_MAX_ENGINES) {
+ dev_err(&pdev->dev,
+ "Number of engines %d > than max supported %d\n",
+ eng_grps->engs_num, OTX2_CPT_MAX_ENGINES);
+ ret = -EINVAL;
+ goto cleanup_eng_grps;
+ }
+
+ for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
+ grp = &eng_grps->grp[i];
+ grp->g = eng_grps;
+ grp->idx = i;
+
+ snprintf(grp->sysfs_info_name, OTX2_CPT_NAME_LENGTH,
+ "engine_group%d", i);
+ for (j = 0; j < OTX2_CPT_MAX_ETYPES_PER_GRP; j++) {
+ grp->engs[j].bmap =
+ kcalloc(BITS_TO_LONGS(eng_grps->engs_num),
+ sizeof(long), GFP_KERNEL);
+ if (!grp->engs[j].bmap) {
+ ret = -ENOMEM;
+ goto cleanup_eng_grps;
+ }
+ }
+ }
+
+ eng_grps->eng_types_supported = 1 << OTX2_CPT_SE_TYPES |
+ 1 << OTX2_CPT_IE_TYPES |
+ 1 << OTX2_CPT_AE_TYPES;
+
+ eng_grps->ucode_load_attr.show = NULL;
+ eng_grps->ucode_load_attr.store = ucode_load_store;
+ eng_grps->ucode_load_attr.attr.name = "ucode_load";
+ eng_grps->ucode_load_attr.attr.mode = 0220;
+ sysfs_attr_init(&eng_grps->ucode_load_attr.attr);
+ ret = device_create_file(&pdev->dev,
+ &eng_grps->ucode_load_attr);
+ if (ret)
+ goto cleanup_eng_grps;
+ eng_grps->is_ucode_load_created = true;
+
+ print_dbg_info(&pdev->dev, eng_grps);
+ return 0;
+cleanup_eng_grps:
+ otx2_cpt_cleanup_eng_grps(pdev, eng_grps);
+ return ret;
+}
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.h b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.h
new file mode 100644
index 0000000..7059fe6
--- /dev/null
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.h
@@ -0,0 +1,180 @@
+/* SPDX-License-Identifier: GPL-2.0-only
+ * Copyright (C) 2020 Marvell.
+ */
+
+#ifndef __OTX2_CPTPF_UCODE_H
+#define __OTX2_CPTPF_UCODE_H
+
+#include <linux/pci.h>
+#include <linux/types.h>
+#include <linux/module.h>
+#include "otx2_cpt_hw_types.h"
+#include "otx2_cpt_common.h"
+
+/*
+ * On OcteonTX2 platform IPSec ucode can use both IE and SE engines therefore
+ * IE and SE engines can be attached to the same engine group.
+ */
+#define OTX2_CPT_MAX_ETYPES_PER_GRP 2
+
+/* CPT ucode alignment */
+#define OTX2_CPT_UCODE_ALIGNMENT 128
+
+/* CPT ucode signature size */
+#define OTX2_CPT_UCODE_SIGN_LEN 256
+
+/* Microcode version string length */
+#define OTX2_CPT_UCODE_VER_STR_SZ 44
+
+/* Maximum number of supported engines/cores on OcteonTX2 platform */
+#define OTX2_CPT_MAX_ENGINES 128
+
+#define OTX2_CPT_ENGS_BITMASK_LEN (OTX2_CPT_MAX_ENGINES/(BITS_PER_BYTE * \
+ sizeof(unsigned long)))
+
+/* Microcode types */
+enum otx2_cpt_ucode_type {
+ OTX2_CPT_AE_UC_TYPE = 1, /* AE-MAIN */
+ OTX2_CPT_SE_UC_TYPE1 = 20,/* SE-MAIN - combination of 21 and 22 */
+ OTX2_CPT_SE_UC_TYPE2 = 21,/* Fast Path IPSec + AirCrypto */
+ OTX2_CPT_SE_UC_TYPE3 = 22,/*
+ * Hash + HMAC + FlexiCrypto + RNG +
+ * Full Feature IPSec + AirCrypto + Kasumi
+ */
+ OTX2_CPT_IE_UC_TYPE1 = 30, /* IE-MAIN - combination of 31 and 32 */
+ OTX2_CPT_IE_UC_TYPE2 = 31, /* Fast Path IPSec */
+ OTX2_CPT_IE_UC_TYPE3 = 32, /*
+ * Hash + HMAC + FlexiCrypto + RNG +
+ * Full Future IPSec
+ */
+};
+
+struct otx2_cpt_bitmap {
+ unsigned long bits[OTX2_CPT_ENGS_BITMASK_LEN];
+ int size;
+};
+
+struct otx2_cpt_engines {
+ int type;
+ int count;
+};
+
+/* Microcode version number */
+struct otx2_cpt_ucode_ver_num {
+ u8 nn;
+ u8 xx;
+ u8 yy;
+ u8 zz;
+};
+
+struct otx2_cpt_ucode_hdr {
+ struct otx2_cpt_ucode_ver_num ver_num;
+ u8 ver_str[OTX2_CPT_UCODE_VER_STR_SZ];
+ u32 code_length;
+ u32 padding[3];
+};
+
+struct otx2_cpt_ucode {
+ u8 ver_str[OTX2_CPT_UCODE_VER_STR_SZ];/*
+ * ucode version in readable
+ * format
+ */
+ struct otx2_cpt_ucode_ver_num ver_num;/* ucode version number */
+ char filename[OTX2_CPT_NAME_LENGTH];/* ucode filename */
+ dma_addr_t dma; /* phys address of ucode image */
+ dma_addr_t align_dma; /* aligned phys address of ucode image */
+ void *va; /* virt address of ucode image */
+ void *align_va; /* aligned virt address of ucode image */
+ u32 size; /* ucode image size */
+ int type; /* ucode image type SE, IE, AE or SE+IE */
+};
+
+struct tar_ucode_info_t {
+ struct list_head list;
+ struct otx2_cpt_ucode ucode;/* microcode information */
+ const u8 *ucode_ptr; /* pointer to microcode in tar archive */
+};
+
+/* Maximum and current number of engines available for all engine groups */
+struct otx2_cpt_engs_available {
+ int max_se_cnt;
+ int max_ie_cnt;
+ int max_ae_cnt;
+ int se_cnt;
+ int ie_cnt;
+ int ae_cnt;
+};
+
+/* Engines reserved to an engine group */
+struct otx2_cpt_engs_rsvd {
+ int type; /* engine type */
+ int count; /* number of engines attached */
+ int offset; /* constant offset of engine type in the bitmap */
+ unsigned long *bmap; /* attached engines bitmap */
+ struct otx2_cpt_ucode *ucode; /* ucode used by these engines */
+};
+
+struct otx2_cpt_mirror_info {
+ int is_ena; /*
+ * is mirroring enabled, it is set only for engine
+ * group which mirrors another engine group
+ */
+ int idx; /*
+ * index of engine group which is mirrored by this
+ * group, set only for engine group which mirrors
+ * another group
+ */
+ int ref_count; /*
+ * number of times this engine group is mirrored by
+ * other groups, this is set only for engine group
+ * which is mirrored by other group(s)
+ */
+};
+
+struct otx2_cpt_eng_grp_info {
+ struct otx2_cpt_eng_grps *g; /* pointer to engine_groups structure */
+ struct device_attribute info_attr; /* group info entry attr */
+ /* engines attached */
+ struct otx2_cpt_engs_rsvd engs[OTX2_CPT_MAX_ETYPES_PER_GRP];
+ /* ucodes information */
+ struct otx2_cpt_ucode ucode[OTX2_CPT_MAX_ETYPES_PER_GRP];
+ /* sysfs info entry name */
+ char sysfs_info_name[OTX2_CPT_NAME_LENGTH];
+ /* engine group mirroring information */
+ struct otx2_cpt_mirror_info mirror;
+ int idx; /* engine group index */
+ bool is_enabled; /*
+ * is engine group enabled, engine group is enabled
+ * when it has engines attached and ucode loaded
+ */
+};
+
+struct otx2_cpt_eng_grps {
+ struct otx2_cpt_eng_grp_info grp[OTX2_CPT_MAX_ENGINE_GROUPS];
+ struct device_attribute ucode_load_attr;/* ucode load attr */
+ struct otx2_cpt_engs_available avail;
+ struct mutex lock;
+ void *obj; /* device specific data */
+ int engs_num; /* total number of engines supported */
+ int eng_types_supported; /* engine types supported SE, IE, AE */
+ u8 eng_ref_cnt[OTX2_CPT_MAX_ENGINES];/* engines reference count */
+ bool is_ucode_load_created; /* is ucode_load sysfs entry created */
+ bool is_first_try; /* is this first try to create kcrypto engine grp */
+ bool is_rdonly; /* do engine groups configuration can be modified */
+};
+struct otx2_cptpf_dev;
+int otx2_cpt_init_eng_grps(struct pci_dev *pdev,
+ struct otx2_cpt_eng_grps *eng_grps);
+void otx2_cpt_cleanup_eng_grps(struct pci_dev *pdev,
+ struct otx2_cpt_eng_grps *eng_grps);
+int otx2_cpt_try_create_default_eng_grps(struct pci_dev *pdev,
+ struct otx2_cpt_eng_grps *eng_grps);
+void otx2_cpt_set_eng_grps_is_rdonly(struct otx2_cpt_eng_grps *eng_grps,
+ bool is_rdonly);
+int otx2_cpt_uc_supports_eng_type(struct otx2_cpt_ucode *ucode, int eng_type);
+int otx2_cpt_eng_grp_has_eng_type(struct otx2_cpt_eng_grp_info *eng_grp,
+ int eng_type);
+int otx2_cpt_disable_all_cores(struct otx2_cptpf_dev *cptpf);
+int otx2_cpt_discover_eng_capabilities(void *obj);
+
+#endif /* __OTX2_CPTPF_UCODE_H */
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptvf.h b/drivers/crypto/marvell/octeontx2/otx2_cptvf.h
new file mode 100644
index 0000000..51039c7
--- /dev/null
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptvf.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-only
+ * Copyright (C) 2020 Marvell.
+ */
+
+#ifndef __OTX2_CPTVF_H
+#define __OTX2_CPTVF_H
+
+#include "mbox.h"
+#include "otx2_cptlf.h"
+
+struct otx2_cptvf_dev {
+ void __iomem *reg_base; /* Register start address */
+ void __iomem *pfvf_mbox_base; /* PF-VF mbox start address */
+ struct pci_dev *pdev; /* PCI device handle */
+ struct otx2_cptlfs_info lfs; /* CPT LFs attached to this VF */
+ u8 vf_id; /* Virtual function index */
+
+ /* PF <=> VF mbox */
+ struct otx2_mbox pfvf_mbox;
+ struct work_struct pfvf_mbox_work;
+ struct workqueue_struct *pfvf_mbox_wq;
+};
+
+#endif /* __OTX2_CPTVF_H */
--
1.9.1
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