1 files changed, 157 insertions, 27 deletions

diff --git a/drivers/crypto/marvell/octeontx2/cn10k_cpt.c b/drivers/crypto/marvell/octeontx2/cn10k_cpt.c
index 1499ef75b5c2..d4aab9e20f2a 100644
--- a/drivers/crypto/marvell/octeontx2/cn10k_cpt.c
+++ b/drivers/crypto/marvell/octeontx2/cn10k_cpt.c
@@ -6,23 +6,29 @@
 #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);
 
 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,
 };
 
-void cn10k_cpt_send_cmd(union otx2_cpt_inst_s *cptinst, u32 insts_num,
-			struct otx2_cptlf_info *lf)
+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;
 
@@ -36,15 +42,49 @@ 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;
@@ -52,42 +92,132 @@ 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;
 }
+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)) {
-		cptvf->lfs.ops = &otx2_hw_ops;
+	if (!test_bit(CN10K_LMTST, &cptvf->cap_flag))
 		return 0;
+
+	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;
 	}
 
-	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 */
-	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");
+	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;
+}
+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);
+	if (dma_mapping_error(&pdev->dev, cptr_dma)) {
+		kfree(hctx);
 		return -ENOMEM;
 	}
 
+	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");