diff options
Diffstat (limited to 'drivers/crypto/caam')
| -rw-r--r-- | drivers/crypto/caam/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/crypto/caam/caampkc.c | 72 | ||||
| -rw-r--r-- | drivers/crypto/caam/caampkc.h | 8 | ||||
| -rw-r--r-- | drivers/crypto/caam/ctrl.c | 222 | ||||
| -rw-r--r-- | drivers/crypto/caam/intern.h | 4 | ||||
| -rw-r--r-- | drivers/crypto/caam/qi.c | 8 | ||||
| -rw-r--r-- | drivers/crypto/caam/qi.h | 1 |
7 files changed, 152 insertions, 169 deletions
diff --git a/drivers/crypto/caam/Kconfig b/drivers/crypto/caam/Kconfig index 137ed3df0c74..87053e46c788 100644 --- a/drivers/crypto/caam/Kconfig +++ b/drivers/crypto/caam/Kconfig @@ -97,7 +97,7 @@ config CRYPTO_DEV_FSL_CAAM_CRYPTO_API select CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC select CRYPTO_AEAD select CRYPTO_AUTHENC - select CRYPTO_BLKCIPHER + select CRYPTO_SKCIPHER select CRYPTO_LIB_DES help Selecting this will offload crypto for users of the @@ -110,7 +110,7 @@ config CRYPTO_DEV_FSL_CAAM_CRYPTO_API_QI default y select CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC select CRYPTO_AUTHENC - select CRYPTO_BLKCIPHER + select CRYPTO_SKCIPHER select CRYPTO_DES help Selecting this will use CAAM Queue Interface (QI) for sending @@ -158,7 +158,7 @@ config CRYPTO_DEV_FSL_DPAA2_CAAM select CRYPTO_DEV_FSL_CAAM_COMMON select CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC select CRYPTO_DEV_FSL_CAAM_AHASH_API_DESC - select CRYPTO_BLKCIPHER + select CRYPTO_SKCIPHER select CRYPTO_AUTHENC select CRYPTO_AEAD select CRYPTO_HASH diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c index 83f96d4f86e0..6619c512ef1a 100644 --- a/drivers/crypto/caam/caampkc.c +++ b/drivers/crypto/caam/caampkc.c @@ -252,9 +252,9 @@ static struct rsa_edesc *rsa_edesc_alloc(struct akcipher_request *req, gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ? GFP_KERNEL : GFP_ATOMIC; int sg_flags = (flags == GFP_ATOMIC) ? SG_MITER_ATOMIC : 0; - int sgc; int sec4_sg_index, sec4_sg_len = 0, sec4_sg_bytes; int src_nents, dst_nents; + int mapped_src_nents, mapped_dst_nents; unsigned int diff_size = 0; int lzeros; @@ -285,13 +285,27 @@ static struct rsa_edesc *rsa_edesc_alloc(struct akcipher_request *req, req_ctx->fixup_src_len); dst_nents = sg_nents_for_len(req->dst, req->dst_len); - if (!diff_size && src_nents == 1) + mapped_src_nents = dma_map_sg(dev, req_ctx->fixup_src, src_nents, + DMA_TO_DEVICE); + if (unlikely(!mapped_src_nents)) { + dev_err(dev, "unable to map source\n"); + return ERR_PTR(-ENOMEM); + } + mapped_dst_nents = dma_map_sg(dev, req->dst, dst_nents, + DMA_FROM_DEVICE); + if (unlikely(!mapped_dst_nents)) { + dev_err(dev, "unable to map destination\n"); + goto src_fail; + } + + if (!diff_size && mapped_src_nents == 1) sec4_sg_len = 0; /* no need for an input hw s/g table */ else - sec4_sg_len = src_nents + !!diff_size; + sec4_sg_len = mapped_src_nents + !!diff_size; sec4_sg_index = sec4_sg_len; - if (dst_nents > 1) - sec4_sg_len += pad_sg_nents(dst_nents); + + if (mapped_dst_nents > 1) + sec4_sg_len += pad_sg_nents(mapped_dst_nents); else sec4_sg_len = pad_sg_nents(sec4_sg_len); @@ -301,19 +315,7 @@ static struct rsa_edesc *rsa_edesc_alloc(struct akcipher_request *req, edesc = kzalloc(sizeof(*edesc) + desclen + sec4_sg_bytes, GFP_DMA | flags); if (!edesc) - return ERR_PTR(-ENOMEM); - - sgc = dma_map_sg(dev, req_ctx->fixup_src, src_nents, DMA_TO_DEVICE); - if (unlikely(!sgc)) { - dev_err(dev, "unable to map source\n"); - goto src_fail; - } - - sgc = dma_map_sg(dev, req->dst, dst_nents, DMA_FROM_DEVICE); - if (unlikely(!sgc)) { - dev_err(dev, "unable to map destination\n"); goto dst_fail; - } edesc->sec4_sg = (void *)edesc + sizeof(*edesc) + desclen; if (diff_size) @@ -324,7 +326,7 @@ static struct rsa_edesc *rsa_edesc_alloc(struct akcipher_request *req, sg_to_sec4_sg_last(req_ctx->fixup_src, req_ctx->fixup_src_len, edesc->sec4_sg + !!diff_size, 0); - if (dst_nents > 1) + if (mapped_dst_nents > 1) sg_to_sec4_sg_last(req->dst, req->dst_len, edesc->sec4_sg + sec4_sg_index, 0); @@ -335,6 +337,9 @@ static struct rsa_edesc *rsa_edesc_alloc(struct akcipher_request *req, if (!sec4_sg_bytes) return edesc; + edesc->mapped_src_nents = mapped_src_nents; + edesc->mapped_dst_nents = mapped_dst_nents; + edesc->sec4_sg_dma = dma_map_single(dev, edesc->sec4_sg, sec4_sg_bytes, DMA_TO_DEVICE); if (dma_mapping_error(dev, edesc->sec4_sg_dma)) { @@ -351,11 +356,11 @@ static struct rsa_edesc *rsa_edesc_alloc(struct akcipher_request *req, return edesc; sec4_sg_fail: - dma_unmap_sg(dev, req->dst, dst_nents, DMA_FROM_DEVICE); + kfree(edesc); dst_fail: - dma_unmap_sg(dev, req_ctx->fixup_src, src_nents, DMA_TO_DEVICE); + dma_unmap_sg(dev, req->dst, dst_nents, DMA_FROM_DEVICE); src_fail: - kfree(edesc); + dma_unmap_sg(dev, req_ctx->fixup_src, src_nents, DMA_TO_DEVICE); return ERR_PTR(-ENOMEM); } @@ -383,15 +388,15 @@ static int set_rsa_pub_pdb(struct akcipher_request *req, return -ENOMEM; } - if (edesc->src_nents > 1) { + if (edesc->mapped_src_nents > 1) { pdb->sgf |= RSA_PDB_SGF_F; pdb->f_dma = edesc->sec4_sg_dma; - sec4_sg_index += edesc->src_nents; + sec4_sg_index += edesc->mapped_src_nents; } else { pdb->f_dma = sg_dma_address(req_ctx->fixup_src); } - if (edesc->dst_nents > 1) { + if (edesc->mapped_dst_nents > 1) { pdb->sgf |= RSA_PDB_SGF_G; pdb->g_dma = edesc->sec4_sg_dma + sec4_sg_index * sizeof(struct sec4_sg_entry); @@ -428,17 +433,18 @@ static int set_rsa_priv_f1_pdb(struct akcipher_request *req, return -ENOMEM; } - if (edesc->src_nents > 1) { + if (edesc->mapped_src_nents > 1) { pdb->sgf |= RSA_PRIV_PDB_SGF_G; pdb->g_dma = edesc->sec4_sg_dma; - sec4_sg_index += edesc->src_nents; + sec4_sg_index += edesc->mapped_src_nents; + } else { struct caam_rsa_req_ctx *req_ctx = akcipher_request_ctx(req); pdb->g_dma = sg_dma_address(req_ctx->fixup_src); } - if (edesc->dst_nents > 1) { + if (edesc->mapped_dst_nents > 1) { pdb->sgf |= RSA_PRIV_PDB_SGF_F; pdb->f_dma = edesc->sec4_sg_dma + sec4_sg_index * sizeof(struct sec4_sg_entry); @@ -493,17 +499,17 @@ static int set_rsa_priv_f2_pdb(struct akcipher_request *req, goto unmap_tmp1; } - if (edesc->src_nents > 1) { + if (edesc->mapped_src_nents > 1) { pdb->sgf |= RSA_PRIV_PDB_SGF_G; pdb->g_dma = edesc->sec4_sg_dma; - sec4_sg_index += edesc->src_nents; + sec4_sg_index += edesc->mapped_src_nents; } else { struct caam_rsa_req_ctx *req_ctx = akcipher_request_ctx(req); pdb->g_dma = sg_dma_address(req_ctx->fixup_src); } - if (edesc->dst_nents > 1) { + if (edesc->mapped_dst_nents > 1) { pdb->sgf |= RSA_PRIV_PDB_SGF_F; pdb->f_dma = edesc->sec4_sg_dma + sec4_sg_index * sizeof(struct sec4_sg_entry); @@ -582,17 +588,17 @@ static int set_rsa_priv_f3_pdb(struct akcipher_request *req, goto unmap_tmp1; } - if (edesc->src_nents > 1) { + if (edesc->mapped_src_nents > 1) { pdb->sgf |= RSA_PRIV_PDB_SGF_G; pdb->g_dma = edesc->sec4_sg_dma; - sec4_sg_index += edesc->src_nents; + sec4_sg_index += edesc->mapped_src_nents; } else { struct caam_rsa_req_ctx *req_ctx = akcipher_request_ctx(req); pdb->g_dma = sg_dma_address(req_ctx->fixup_src); } - if (edesc->dst_nents > 1) { + if (edesc->mapped_dst_nents > 1) { pdb->sgf |= RSA_PRIV_PDB_SGF_F; pdb->f_dma = edesc->sec4_sg_dma + sec4_sg_index * sizeof(struct sec4_sg_entry); diff --git a/drivers/crypto/caam/caampkc.h b/drivers/crypto/caam/caampkc.h index 2c488c9a3812..c68fb4c03ee6 100644 --- a/drivers/crypto/caam/caampkc.h +++ b/drivers/crypto/caam/caampkc.h @@ -112,8 +112,10 @@ struct caam_rsa_req_ctx { /** * rsa_edesc - s/w-extended rsa descriptor - * @src_nents : number of segments in input scatterlist - * @dst_nents : number of segments in output scatterlist + * @src_nents : number of segments in input s/w scatterlist + * @dst_nents : number of segments in output s/w scatterlist + * @mapped_src_nents: number of segments in input h/w link table + * @mapped_dst_nents: number of segments in output h/w link table * @sec4_sg_bytes : length of h/w link table * @sec4_sg_dma : dma address of h/w link table * @sec4_sg : pointer to h/w link table @@ -123,6 +125,8 @@ struct caam_rsa_req_ctx { struct rsa_edesc { int src_nents; int dst_nents; + int mapped_src_nents; + int mapped_dst_nents; int sec4_sg_bytes; dma_addr_t sec4_sg_dma; struct sec4_sg_entry *sec4_sg; diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index db22777d59b4..d7c3c3805693 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -176,6 +176,73 @@ static inline int run_descriptor_deco0(struct device *ctrldev, u32 *desc, } /* + * deinstantiate_rng - builds and executes a descriptor on DECO0, + * which deinitializes the RNG block. + * @ctrldev - pointer to device + * @state_handle_mask - bitmask containing the instantiation status + * for the RNG4 state handles which exist in + * the RNG4 block: 1 if it's been instantiated + * + * Return: - 0 if no error occurred + * - -ENOMEM if there isn't enough memory to allocate the descriptor + * - -ENODEV if DECO0 couldn't be acquired + * - -EAGAIN if an error occurred when executing the descriptor + */ +static int deinstantiate_rng(struct device *ctrldev, int state_handle_mask) +{ + u32 *desc, status; + int sh_idx, ret = 0; + + desc = kmalloc(CAAM_CMD_SZ * 3, GFP_KERNEL); + if (!desc) + return -ENOMEM; + + for (sh_idx = 0; sh_idx < RNG4_MAX_HANDLES; sh_idx++) { + /* + * If the corresponding bit is set, then it means the state + * handle was initialized by us, and thus it needs to be + * deinitialized as well + */ + if ((1 << sh_idx) & state_handle_mask) { + /* + * Create the descriptor for deinstantating this state + * handle + */ + build_deinstantiation_desc(desc, sh_idx); + + /* Try to run it through DECO0 */ + ret = run_descriptor_deco0(ctrldev, desc, &status); + + if (ret || + (status && status != JRSTA_SSRC_JUMP_HALT_CC)) { + dev_err(ctrldev, + "Failed to deinstantiate RNG4 SH%d\n", + sh_idx); + break; + } + dev_info(ctrldev, "Deinstantiated RNG4 SH%d\n", sh_idx); + } + } + + kfree(desc); + + return ret; +} + +static void devm_deinstantiate_rng(void *data) +{ + struct device *ctrldev = data; + struct caam_drv_private *ctrlpriv = dev_get_drvdata(ctrldev); + + /* + * De-initialize RNG state handles initialized by this driver. + * In case of SoCs with Management Complex, RNG is managed by MC f/w. + */ + if (ctrlpriv->rng4_sh_init) + deinstantiate_rng(ctrldev, ctrlpriv->rng4_sh_init); +} + +/* * instantiate_rng - builds and executes a descriptor on DECO0, * which initializes the RNG block. * @ctrldev - pointer to device @@ -247,99 +314,13 @@ static int instantiate_rng(struct device *ctrldev, int state_handle_mask, kfree(desc); - return ret; -} - -/* - * deinstantiate_rng - builds and executes a descriptor on DECO0, - * which deinitializes the RNG block. - * @ctrldev - pointer to device - * @state_handle_mask - bitmask containing the instantiation status - * for the RNG4 state handles which exist in - * the RNG4 block: 1 if it's been instantiated - * - * Return: - 0 if no error occurred - * - -ENOMEM if there isn't enough memory to allocate the descriptor - * - -ENODEV if DECO0 couldn't be acquired - * - -EAGAIN if an error occurred when executing the descriptor - */ -static int deinstantiate_rng(struct device *ctrldev, int state_handle_mask) -{ - u32 *desc, status; - int sh_idx, ret = 0; - - desc = kmalloc(CAAM_CMD_SZ * 3, GFP_KERNEL); - if (!desc) - return -ENOMEM; - - for (sh_idx = 0; sh_idx < RNG4_MAX_HANDLES; sh_idx++) { - /* - * If the corresponding bit is set, then it means the state - * handle was initialized by us, and thus it needs to be - * deinitialized as well - */ - if ((1 << sh_idx) & state_handle_mask) { - /* - * Create the descriptor for deinstantating this state - * handle - */ - build_deinstantiation_desc(desc, sh_idx); - - /* Try to run it through DECO0 */ - ret = run_descriptor_deco0(ctrldev, desc, &status); - - if (ret || - (status && status != JRSTA_SSRC_JUMP_HALT_CC)) { - dev_err(ctrldev, - "Failed to deinstantiate RNG4 SH%d\n", - sh_idx); - break; - } - dev_info(ctrldev, "Deinstantiated RNG4 SH%d\n", sh_idx); - } - } - - kfree(desc); + if (!ret) + ret = devm_add_action_or_reset(ctrldev, devm_deinstantiate_rng, + ctrldev); return ret; } -static int caam_remove(struct platform_device *pdev) -{ - struct device *ctrldev; - struct caam_drv_private *ctrlpriv; - struct caam_ctrl __iomem *ctrl; - - ctrldev = &pdev->dev; - ctrlpriv = dev_get_drvdata(ctrldev); - ctrl = (struct caam_ctrl __iomem *)ctrlpriv->ctrl; - - /* Remove platform devices under the crypto node */ - of_platform_depopulate(ctrldev); - -#ifdef CONFIG_CAAM_QI - if (ctrlpriv->qi_init) - caam_qi_shutdown(ctrldev); -#endif - - /* - * De-initialize RNG state handles initialized by this driver. - * In case of SoCs with Management Complex, RNG is managed by MC f/w. - */ - if (!ctrlpriv->mc_en && ctrlpriv->rng4_sh_init) - deinstantiate_rng(ctrldev, ctrlpriv->rng4_sh_init); - - /* Shut down debug views */ -#ifdef CONFIG_DEBUG_FS - debugfs_remove_recursive(ctrlpriv->dfs_root); -#endif - - /* Unmap controller region */ - iounmap(ctrl); - - return 0; -} - /* * kick_trng - sets the various parameters for enabling the initialization * of the RNG4 block in CAAM @@ -568,6 +549,13 @@ static int init_clocks(struct device *dev, const struct caam_imx_data *data) return devm_add_action_or_reset(dev, disable_clocks, ctrlpriv); } +#ifdef CONFIG_DEBUG_FS +static void caam_remove_debugfs(void *root) +{ + debugfs_remove_recursive(root); +} +#endif + /* Probe routine for CAAM top (controller) level */ static int caam_probe(struct platform_device *pdev) { @@ -580,6 +568,7 @@ static int caam_probe(struct platform_device *pdev) struct caam_drv_private *ctrlpriv; #ifdef CONFIG_DEBUG_FS struct caam_perfmon *perfmon; + struct dentry *dfs_root; #endif u32 scfgr, comp_params; u8 rng_vid; @@ -611,10 +600,11 @@ static int caam_probe(struct platform_device *pdev) /* Get configuration properties from device tree */ /* First, get register page */ - ctrl = of_iomap(nprop, 0); - if (!ctrl) { + ctrl = devm_of_iomap(dev, nprop, 0, NULL); + ret = PTR_ERR_OR_ZERO(ctrl); + if (ret) { dev_err(dev, "caam: of_iomap() failed\n"); - return -ENOMEM; + return ret; } caam_little_end = !(bool)(rd_reg32(&ctrl->perfmon.status) & @@ -632,22 +622,18 @@ static int caam_probe(struct platform_device *pdev) if (ctrlpriv->qi_present && !caam_dpaa2) { ret = qman_is_probed(); if (!ret) { - ret = -EPROBE_DEFER; - goto iounmap_ctrl; + return -EPROBE_DEFER; } else if (ret < 0) { dev_err(dev, "failing probe due to qman probe error\n"); - ret = -ENODEV; - goto iounmap_ctrl; + return -ENODEV; } ret = qman_portals_probed(); if (!ret) { - ret = -EPROBE_DEFER; - goto iounmap_ctrl; + return -EPROBE_DEFER; } else if (ret < 0) { dev_err(dev, "failing probe due to qman portals probe error\n"); - ret = -ENODEV; - goto iounmap_ctrl; + return -ENODEV; } } #endif @@ -722,7 +708,7 @@ static int caam_probe(struct platform_device *pdev) ret = dma_set_mask_and_coherent(dev, caam_get_dma_mask(dev)); if (ret) { dev_err(dev, "dma_set_mask_and_coherent failed (%d)\n", ret); - goto iounmap_ctrl; + return ret; } ctrlpriv->era = caam_get_era(ctrl); @@ -736,8 +722,12 @@ static int caam_probe(struct platform_device *pdev) */ perfmon = (struct caam_perfmon __force *)&ctrl->perfmon; - ctrlpriv->dfs_root = debugfs_create_dir(dev_name(dev), NULL); - ctrlpriv->ctl = debugfs_create_dir("ctl", ctrlpriv->dfs_root); + dfs_root = debugfs_create_dir(dev_name(dev), NULL); + ret = devm_add_action_or_reset(dev, caam_remove_debugfs, dfs_root); + if (ret) + return ret; + + ctrlpriv->ctl = debugfs_create_dir("ctl", dfs_root); #endif /* Check to see if (DPAA 1.x) QI present. If so, enable */ @@ -757,12 +747,6 @@ static int caam_probe(struct platform_device *pdev) #endif } - ret = of_platform_populate(nprop, caam_match, NULL, dev); - if (ret) { - dev_err(dev, "JR platform devices creation error\n"); - goto shutdown_qi; - } - ring = 0; for_each_available_child_of_node(nprop, np) if (of_device_is_compatible(np, "fsl,sec-v4.0-job-ring") || @@ -779,8 +763,7 @@ static int caam_probe(struct platform_device *pdev) /* If no QI and no rings specified, quit and go home */ if ((!ctrlpriv->qi_present) && (!ctrlpriv->total_jobrs)) { dev_err(dev, "no queues configured, terminating\n"); - ret = -ENOMEM; - goto caam_remove; + return -ENOMEM; } if (ctrlpriv->era < 10) @@ -843,7 +826,7 @@ static int caam_probe(struct platform_device *pdev) } while ((ret == -EAGAIN) && (ent_delay < RTSDCTL_ENT_DLY_MAX)); if (ret) { dev_err(dev, "failed to instantiate RNG"); - goto caam_remove; + return ret; } /* * Set handles init'ed by this module as the complement of the @@ -916,19 +899,11 @@ static int caam_probe(struct platform_device *pdev) debugfs_create_blob("tdsk", S_IRUSR | S_IRGRP | S_IROTH, ctrlpriv->ctl, &ctrlpriv->ctl_tdsk_wrap); #endif - return 0; -caam_remove: - caam_remove(pdev); - return ret; + ret = devm_of_platform_populate(dev); + if (ret) + dev_err(dev, "JR platform devices creation error\n"); -shutdown_qi: -#ifdef CONFIG_CAAM_QI - if (ctrlpriv->qi_init) - caam_qi_shutdown(dev); -#endif -iounmap_ctrl: - iounmap(ctrl); return ret; } @@ -938,7 +913,6 @@ static struct platform_driver caam_driver = { .of_match_table = caam_match, }, .probe = caam_probe, - .remove = caam_remove, }; module_platform_driver(caam_driver); diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h index 731b06becd9c..c7c10c90464b 100644 --- a/drivers/crypto/caam/intern.h +++ b/drivers/crypto/caam/intern.h @@ -81,9 +81,6 @@ struct caam_drv_private { */ u8 total_jobrs; /* Total Job Rings in device */ u8 qi_present; /* Nonzero if QI present in device */ -#ifdef CONFIG_CAAM_QI - u8 qi_init; /* Nonzero if QI has been initialized */ -#endif u8 mc_en; /* Nonzero if MC f/w is active */ int secvio_irq; /* Security violation interrupt number */ int virt_en; /* Virtualization enabled in CAAM */ @@ -102,7 +99,6 @@ struct caam_drv_private { * variables at runtime. */ #ifdef CONFIG_DEBUG_FS - struct dentry *dfs_root; struct dentry *ctl; /* controller dir */ struct debugfs_blob_wrapper ctl_kek_wrap, ctl_tkek_wrap, ctl_tdsk_wrap; #endif diff --git a/drivers/crypto/caam/qi.c b/drivers/crypto/caam/qi.c index 378f627e1d64..dacf2fa4aa8e 100644 --- a/drivers/crypto/caam/qi.c +++ b/drivers/crypto/caam/qi.c @@ -500,9 +500,10 @@ void caam_drv_ctx_rel(struct caam_drv_ctx *drv_ctx) } EXPORT_SYMBOL(caam_drv_ctx_rel); -void caam_qi_shutdown(struct device *qidev) +static void caam_qi_shutdown(void *data) { int i; + struct device *qidev = data; struct caam_qi_priv *priv = &qipriv; const cpumask_t *cpus = qman_affine_cpus(); @@ -761,7 +762,10 @@ int caam_qi_init(struct platform_device *caam_pdev) ×_congested, &caam_fops_u64_ro); #endif - ctrlpriv->qi_init = 1; + err = devm_add_action_or_reset(qidev, caam_qi_shutdown, ctrlpriv); + if (err) + return err; + dev_info(qidev, "Linux CAAM Queue I/F driver initialised\n"); return 0; } diff --git a/drivers/crypto/caam/qi.h b/drivers/crypto/caam/qi.h index db0549549e3b..848958951f68 100644 --- a/drivers/crypto/caam/qi.h +++ b/drivers/crypto/caam/qi.h @@ -147,7 +147,6 @@ int caam_drv_ctx_update(struct caam_drv_ctx *drv_ctx, u32 *sh_desc); void caam_drv_ctx_rel(struct caam_drv_ctx *drv_ctx); int caam_qi_init(struct platform_device *pdev); -void caam_qi_shutdown(struct device *dev); /** * qi_cache_alloc - Allocate buffers from CAAM-QI cache |