From patchwork Fri Aug 7 14:09:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Srujana Challa X-Patchwork-Id: 262652 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8CDFFC433DF for ; Fri, 7 Aug 2020 14:13:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3ECA422CAE for ; Fri, 7 Aug 2020 14:13:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=marvell.com header.i=@marvell.com header.b="uEwxnZYx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726750AbgHGONQ (ORCPT ); Fri, 7 Aug 2020 10:13:16 -0400 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:18648 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726609AbgHGONE (ORCPT ); Fri, 7 Aug 2020 10:13:04 -0400 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 077ECQN9016681; Fri, 7 Aug 2020 07:12:52 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=pfpt0818; bh=p/4EsjIsZi8GotEKAyChEgJKe+LlzWnZ0SqLAErC96c=; b=uEwxnZYxXo3VsvEvlXKIenTHR5Jy/bgT+J+NKNNmC9PeWL1pjmhOJEec5UDoeozx+FK7 aReY5aSzqV2gu4XKPDEY5SJwp9NAizk7U5PkqRoOJdTS1ok56MZ3FE3qc+vAoOTJEt+R iJOvRtS/XqHG1B2eLDecMONJ3LswlQzVRbJTFj65bywxsmfCzkTpS0KIrR4w73hWecOg Il/t+3/zIUe3wFIL09vJjMEUoamt5uiJODilIl4Q84AOCex5O4cTK2GQuk5YqZ4OofsZ JGbByQWIq4uKlMlBFN1YFGeTma34wT1Q0ShpYY4ZOe63cAnfQUE/QXd5Egvlyjt6jWq2 8g== Received: from sc-exch03.marvell.com ([199.233.58.183]) by mx0a-0016f401.pphosted.com with ESMTP id 32n6ch21y0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Fri, 07 Aug 2020 07:12:51 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 7 Aug 2020 07:12:49 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 7 Aug 2020 07:12:49 -0700 Received: from hyd1schalla-dt.caveonetworks.com.com (hyd1schalla-dt.marvell.com [10.29.8.39]) by maili.marvell.com (Postfix) with ESMTP id 9817E3F703F; Fri, 7 Aug 2020 07:12:45 -0700 (PDT) From: Srujana Challa To: CC: , , , , , , , , , Srujana Challa Subject: [PATCH v2 2/3] drivers: crypto: add support for OCTEONTX2 CPT engine Date: Fri, 7 Aug 2020 19:39:19 +0530 Message-ID: <1596809360-12597-3-git-send-email-schalla@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1596809360-12597-1-git-send-email-schalla@marvell.com> References: <1596809360-12597-1-git-send-email-schalla@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-08-07_09:2020-08-06,2020-08-07 signatures=0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add support for the cryptographic acceleration unit (CPT) on OcteonTX2 CN96XX SoC. Signed-off-by: Srujana Challa --- 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 +#include +#include +#include +#include +#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 + +/* 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 +#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 +#include +#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 +#include +#include +#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 */