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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /drivers/crypto/caam/debugfs.c | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
Diffstat (limited to 'drivers/crypto/caam/debugfs.c')
| -rw-r--r-- | drivers/crypto/caam/debugfs.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/crypto/caam/debugfs.c b/drivers/crypto/caam/debugfs.c new file mode 100644 index 000000000..718352b7a --- /dev/null +++ b/drivers/crypto/caam/debugfs.c @@ -0,0 +1,98 @@ +// 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); +} |
