diff options
Diffstat (limited to 'drivers/crypto/marvell/octeontx2/cn10k_cpt.c')
-rw-r--r-- | drivers/crypto/marvell/octeontx2/cn10k_cpt.c | 89 |
1 files changed, 66 insertions, 23 deletions
diff --git a/drivers/crypto/marvell/octeontx2/cn10k_cpt.c b/drivers/crypto/marvell/octeontx2/cn10k_cpt.c index 5cae8fafa151..d4aab9e20f2a 100644 --- a/drivers/crypto/marvell/octeontx2/cn10k_cpt.c +++ b/drivers/crypto/marvell/octeontx2/cn10k_cpt.c @@ -6,6 +6,7 @@ #include "otx2_cptvf.h" #include "otx2_cptlf.h" #include "cn10k_cpt.h" +#include "otx2_cpt_common.h" static void cn10k_cpt_send_cmd(union otx2_cpt_inst_s *cptinst, u32 insts_num, struct otx2_cptlf_info *lf); @@ -27,7 +28,7 @@ static struct cpt_hw_ops cn10k_hw_ops = { static void cn10k_cpt_send_cmd(union otx2_cpt_inst_s *cptinst, u32 insts_num, struct otx2_cptlf_info *lf) { - void __iomem *lmtline = lf->lmtline; + void *lmtline = lf->lfs->lmt_info.base + (lf->slot * LMTLINE_SIZE); u64 val = (lf->slot & 0x7FF); u64 tar_addr = 0; @@ -41,15 +42,49 @@ static void cn10k_cpt_send_cmd(union otx2_cpt_inst_s *cptinst, u32 insts_num, dma_wmb(); /* Copy CPT command to LMTLINE */ - memcpy_toio(lmtline, cptinst, insts_num * OTX2_CPT_INST_SIZE); + memcpy(lmtline, cptinst, insts_num * OTX2_CPT_INST_SIZE); cn10k_lmt_flush(val, tar_addr); } +void cn10k_cpt_lmtst_free(struct pci_dev *pdev, struct otx2_cptlfs_info *lfs) +{ + struct otx2_lmt_info *lmt_info = &lfs->lmt_info; + + if (!lmt_info->base) + return; + + dma_free_attrs(&pdev->dev, lmt_info->size, + lmt_info->base - lmt_info->align, + lmt_info->iova - lmt_info->align, + DMA_ATTR_FORCE_CONTIGUOUS); +} +EXPORT_SYMBOL_NS_GPL(cn10k_cpt_lmtst_free, "CRYPTO_DEV_OCTEONTX2_CPT"); + +static int cn10k_cpt_lmtst_alloc(struct pci_dev *pdev, + struct otx2_cptlfs_info *lfs, u32 size) +{ + struct otx2_lmt_info *lmt_info = &lfs->lmt_info; + dma_addr_t align_iova; + dma_addr_t iova; + + lmt_info->base = dma_alloc_attrs(&pdev->dev, size, &iova, GFP_KERNEL, + DMA_ATTR_FORCE_CONTIGUOUS); + if (!lmt_info->base) + return -ENOMEM; + + align_iova = ALIGN((u64)iova, LMTLINE_ALIGN); + lmt_info->iova = align_iova; + lmt_info->align = align_iova - iova; + lmt_info->size = size; + lmt_info->base += lmt_info->align; + return 0; +} + int cn10k_cptpf_lmtst_init(struct otx2_cptpf_dev *cptpf) { struct pci_dev *pdev = cptpf->pdev; - resource_size_t size; - u64 lmt_base; + u32 size; + int ret; if (!test_bit(CN10K_LMTST, &cptpf->cap_flag)) { cptpf->lfs.ops = &otx2_hw_ops; @@ -57,18 +92,19 @@ int cn10k_cptpf_lmtst_init(struct otx2_cptpf_dev *cptpf) } cptpf->lfs.ops = &cn10k_hw_ops; - lmt_base = readq(cptpf->reg_base + RVU_PF_LMTLINE_ADDR); - if (!lmt_base) { - dev_err(&pdev->dev, "PF LMTLINE address not configured\n"); - return -ENOMEM; + size = OTX2_CPT_MAX_VFS_NUM * LMTLINE_SIZE + LMTLINE_ALIGN; + ret = cn10k_cpt_lmtst_alloc(pdev, &cptpf->lfs, size); + if (ret) { + dev_err(&pdev->dev, "PF-%d LMTLINE memory allocation failed\n", + cptpf->pf_id); + return ret; } - size = pci_resource_len(pdev, PCI_MBOX_BAR_NUM); - size -= ((1 + cptpf->max_vfs) * MBOX_SIZE); - cptpf->lfs.lmt_base = devm_ioremap_wc(&pdev->dev, lmt_base, size); - if (!cptpf->lfs.lmt_base) { - dev_err(&pdev->dev, - "Mapping of PF LMTLINE address failed\n"); - return -ENOMEM; + + ret = otx2_cpt_lmtst_tbl_setup_msg(&cptpf->lfs); + if (ret) { + dev_err(&pdev->dev, "PF-%d: LMTST Table setup failed\n", + cptpf->pf_id); + cn10k_cpt_lmtst_free(pdev, &cptpf->lfs); } return 0; @@ -78,18 +114,25 @@ EXPORT_SYMBOL_NS_GPL(cn10k_cptpf_lmtst_init, "CRYPTO_DEV_OCTEONTX2_CPT"); int cn10k_cptvf_lmtst_init(struct otx2_cptvf_dev *cptvf) { struct pci_dev *pdev = cptvf->pdev; - resource_size_t offset, size; + u32 size; + int ret; if (!test_bit(CN10K_LMTST, &cptvf->cap_flag)) return 0; - offset = pci_resource_start(pdev, PCI_MBOX_BAR_NUM); - size = pci_resource_len(pdev, PCI_MBOX_BAR_NUM); - /* Map VF LMILINE region */ - cptvf->lfs.lmt_base = devm_ioremap_wc(&pdev->dev, offset, size); - if (!cptvf->lfs.lmt_base) { - dev_err(&pdev->dev, "Unable to map BAR4\n"); - return -ENOMEM; + size = cptvf->lfs.lfs_num * LMTLINE_SIZE + LMTLINE_ALIGN; + ret = cn10k_cpt_lmtst_alloc(pdev, &cptvf->lfs, size); + if (ret) { + dev_err(&pdev->dev, "VF-%d LMTLINE memory allocation failed\n", + cptvf->vf_id); + return ret; + } + + ret = otx2_cpt_lmtst_tbl_setup_msg(&cptvf->lfs); + if (ret) { + dev_err(&pdev->dev, "VF-%d: LMTST Table setup failed\n", + cptvf->vf_id); + cn10k_cpt_lmtst_free(pdev, &cptvf->lfs); } return 0; |