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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)/* Copyright 2019, 2023 NXP */
#include <linux/debugfs.h>#include "compat.h"#include "debugfs.h"#include "regs.h"#include "intern.h"
static int caam_debugfs_u64_get(void *data, u64 *val){ *val = caam64_to_cpu(*(u64 *)data); return 0;}
static int caam_debugfs_u32_get(void *data, u64 *val){ *val = caam32_to_cpu(*(u32 *)data); return 0;}
DEFINE_DEBUGFS_ATTRIBUTE(caam_fops_u32_ro, caam_debugfs_u32_get, NULL, "%llu\n");DEFINE_DEBUGFS_ATTRIBUTE(caam_fops_u64_ro, caam_debugfs_u64_get, NULL, "%llu\n");
#ifdef CONFIG_CRYPTO_DEV_FSL_CAAM_CRYPTO_API_QI/* * This is a counter for the number of times the congestion group (where all * the request and response queueus are) reached congestion. Incremented * each time the congestion callback is called with congested == true. */static u64 times_congested;
void caam_debugfs_qi_congested(void){ times_congested++;}
void caam_debugfs_qi_init(struct caam_drv_private *ctrlpriv){ debugfs_create_file("qi_congested", 0444, ctrlpriv->ctl, ×_congested, &caam_fops_u64_ro);}#endif
void caam_debugfs_init(struct caam_drv_private *ctrlpriv, struct caam_perfmon __force *perfmon, struct dentry *root){ /* * FIXME: needs better naming distinction, as some amalgamation of * "caam" and nprop->full_name. The OF name isn't distinctive, * but does separate instances */
ctrlpriv->ctl = debugfs_create_dir("ctl", root);
debugfs_create_file("rq_dequeued", 0444, ctrlpriv->ctl, &perfmon->req_dequeued, &caam_fops_u64_ro); debugfs_create_file("ob_rq_encrypted", 0444, ctrlpriv->ctl, &perfmon->ob_enc_req, &caam_fops_u64_ro); debugfs_create_file("ib_rq_decrypted", 0444, ctrlpriv->ctl, &perfmon->ib_dec_req, &caam_fops_u64_ro); debugfs_create_file("ob_bytes_encrypted", 0444, ctrlpriv->ctl, &perfmon->ob_enc_bytes, &caam_fops_u64_ro); debugfs_create_file("ob_bytes_protected", 0444, ctrlpriv->ctl, &perfmon->ob_prot_bytes, &caam_fops_u64_ro); debugfs_create_file("ib_bytes_decrypted", 0444, ctrlpriv->ctl, &perfmon->ib_dec_bytes, &caam_fops_u64_ro); debugfs_create_file("ib_bytes_validated", 0444, ctrlpriv->ctl, &perfmon->ib_valid_bytes, &caam_fops_u64_ro);
/* Controller level - global status values */ debugfs_create_file("fault_addr", 0444, ctrlpriv->ctl, &perfmon->faultaddr, &caam_fops_u32_ro); debugfs_create_file("fault_detail", 0444, ctrlpriv->ctl, &perfmon->faultdetail, &caam_fops_u32_ro); debugfs_create_file("fault_status", 0444, ctrlpriv->ctl, &perfmon->status, &caam_fops_u32_ro);
if (ctrlpriv->optee_en) return;
/* Internal covering keys (useful in non-secure mode only) */ ctrlpriv->ctl_kek_wrap.data = (__force void *)&ctrlpriv->ctrl->kek[0]; ctrlpriv->ctl_kek_wrap.size = KEK_KEY_SIZE * sizeof(u32); debugfs_create_blob("kek", 0444, ctrlpriv->ctl, &ctrlpriv->ctl_kek_wrap);
ctrlpriv->ctl_tkek_wrap.data = (__force void *)&ctrlpriv->ctrl->tkek[0]; ctrlpriv->ctl_tkek_wrap.size = KEK_KEY_SIZE * sizeof(u32); debugfs_create_blob("tkek", 0444, ctrlpriv->ctl, &ctrlpriv->ctl_tkek_wrap);
ctrlpriv->ctl_tdsk_wrap.data = (__force void *)&ctrlpriv->ctrl->tdsk[0]; ctrlpriv->ctl_tdsk_wrap.size = KEK_KEY_SIZE * sizeof(u32); debugfs_create_blob("tdsk", 0444, ctrlpriv->ctl, &ctrlpriv->ctl_tdsk_wrap);}