diff options
Diffstat (limited to 'drivers/crypto/marvell/octeontx2/cn10k_cpt.c')
| -rw-r--r-- | drivers/crypto/marvell/octeontx2/cn10k_cpt.c | 86 |
1 files changed, 82 insertions, 4 deletions
diff --git a/drivers/crypto/marvell/octeontx2/cn10k_cpt.c b/drivers/crypto/marvell/octeontx2/cn10k_cpt.c index 93d22b328991..79b4e74804f6 100644 --- a/drivers/crypto/marvell/octeontx2/cn10k_cpt.c +++ b/drivers/crypto/marvell/octeontx2/cn10k_cpt.c @@ -14,12 +14,14 @@ static struct cpt_hw_ops otx2_hw_ops = { .send_cmd = otx2_cpt_send_cmd, .cpt_get_compcode = otx2_cpt_get_compcode, .cpt_get_uc_compcode = otx2_cpt_get_uc_compcode, + .cpt_sg_info_create = otx2_sg_info_create, }; static struct cpt_hw_ops cn10k_hw_ops = { .send_cmd = cn10k_cpt_send_cmd, .cpt_get_compcode = cn10k_cpt_get_compcode, .cpt_get_uc_compcode = cn10k_cpt_get_uc_compcode, + .cpt_sg_info_create = otx2_sg_info_create, }; static void cn10k_cpt_send_cmd(union otx2_cpt_inst_s *cptinst, u32 insts_num, @@ -78,12 +80,9 @@ int cn10k_cptvf_lmtst_init(struct otx2_cptvf_dev *cptvf) struct pci_dev *pdev = cptvf->pdev; resource_size_t offset, size; - if (!test_bit(CN10K_LMTST, &cptvf->cap_flag)) { - cptvf->lfs.ops = &otx2_hw_ops; + if (!test_bit(CN10K_LMTST, &cptvf->cap_flag)) return 0; - } - cptvf->lfs.ops = &cn10k_hw_ops; offset = pci_resource_start(pdev, PCI_MBOX_BAR_NUM); size = pci_resource_len(pdev, PCI_MBOX_BAR_NUM); /* Map VF LMILINE region */ @@ -96,3 +95,82 @@ int cn10k_cptvf_lmtst_init(struct otx2_cptvf_dev *cptvf) return 0; } EXPORT_SYMBOL_NS_GPL(cn10k_cptvf_lmtst_init, CRYPTO_DEV_OCTEONTX2_CPT); + +void cn10k_cpt_hw_ctx_clear(struct pci_dev *pdev, + struct cn10k_cpt_errata_ctx *er_ctx) +{ + u64 cptr_dma; + + if (!is_dev_cn10ka_ax(pdev)) + return; + + cptr_dma = er_ctx->cptr_dma & ~(BIT_ULL(60)); + cn10k_cpt_ctx_flush(pdev, cptr_dma, true); + dma_unmap_single(&pdev->dev, cptr_dma, CN10K_CPT_HW_CTX_SIZE, + DMA_BIDIRECTIONAL); + kfree(er_ctx->hw_ctx); +} +EXPORT_SYMBOL_NS_GPL(cn10k_cpt_hw_ctx_clear, CRYPTO_DEV_OCTEONTX2_CPT); + +void cn10k_cpt_hw_ctx_set(union cn10k_cpt_hw_ctx *hctx, u16 ctx_sz) +{ + hctx->w0.aop_valid = 1; + hctx->w0.ctx_hdr_sz = 0; + hctx->w0.ctx_sz = ctx_sz; + hctx->w0.ctx_push_sz = 1; +} +EXPORT_SYMBOL_NS_GPL(cn10k_cpt_hw_ctx_set, CRYPTO_DEV_OCTEONTX2_CPT); + +int cn10k_cpt_hw_ctx_init(struct pci_dev *pdev, + struct cn10k_cpt_errata_ctx *er_ctx) +{ + union cn10k_cpt_hw_ctx *hctx; + u64 cptr_dma; + + er_ctx->cptr_dma = 0; + er_ctx->hw_ctx = NULL; + + if (!is_dev_cn10ka_ax(pdev)) + return 0; + + hctx = kmalloc(CN10K_CPT_HW_CTX_SIZE, GFP_KERNEL); + if (unlikely(!hctx)) + return -ENOMEM; + cptr_dma = dma_map_single(&pdev->dev, hctx, CN10K_CPT_HW_CTX_SIZE, + DMA_BIDIRECTIONAL); + + cn10k_cpt_hw_ctx_set(hctx, 1); + er_ctx->hw_ctx = hctx; + er_ctx->cptr_dma = cptr_dma | BIT_ULL(60); + + return 0; +} +EXPORT_SYMBOL_NS_GPL(cn10k_cpt_hw_ctx_init, CRYPTO_DEV_OCTEONTX2_CPT); + +void cn10k_cpt_ctx_flush(struct pci_dev *pdev, u64 cptr, bool inval) +{ + struct otx2_cptvf_dev *cptvf = pci_get_drvdata(pdev); + struct otx2_cptlfs_info *lfs = &cptvf->lfs; + u64 reg; + + reg = (uintptr_t)cptr >> 7; + if (inval) + reg = reg | BIT_ULL(46); + + otx2_cpt_write64(lfs->reg_base, lfs->blkaddr, lfs->lf[0].slot, + OTX2_CPT_LF_CTX_FLUSH, reg); + /* Make sure that the FLUSH operation is complete */ + wmb(); + otx2_cpt_read64(lfs->reg_base, lfs->blkaddr, lfs->lf[0].slot, + OTX2_CPT_LF_CTX_ERR); +} +EXPORT_SYMBOL_NS_GPL(cn10k_cpt_ctx_flush, CRYPTO_DEV_OCTEONTX2_CPT); + +void cptvf_hw_ops_get(struct otx2_cptvf_dev *cptvf) +{ + if (test_bit(CN10K_LMTST, &cptvf->cap_flag)) + cptvf->lfs.ops = &cn10k_hw_ops; + else + cptvf->lfs.ops = &otx2_hw_ops; +} +EXPORT_SYMBOL_NS_GPL(cptvf_hw_ops_get, CRYPTO_DEV_OCTEONTX2_CPT); |