crypto/cryptodev: optimize driver

[ThePassionate]

Summary

This PR includes four improvements to the NuttX crypto subsystem:

1. Add olen field for virtio mode support - Add olen field to crypt_op structure and crp_olen to cryptop structure to support output length tracking in virtio crypto mode.

2. Export ivlen to support different cipher algorithms - Add ivlen field to crypt_op and crp_ivlen to cryptop structure to support cipher algorithms with different IV lengths.

3. Optimize cryptodev without dynamic memory - Replace dynamic memory allocation with stack-based variables in cryptodev_op(). This eliminates kmm_malloc/kmm_free overhead and simplifies error handling by removing the need for goto bail cleanup paths.

4. Determine the order of crypto drivers - After adding the cross-core crypto driver, there are now three encryption modes:

   • Hardware driver in local core
   • Crypto driver in remote core
   • Software encryption in local core

   This prioritizes local hardware driver first, then remote driver (typically hardware), and finally local software encryption as a fallback.

Impact

These changes improve crypto subsystem flexibility, performance, and support for virtio-based crypto operations.

Testing

Build and runtime tested on NuttX with software crypto drivers.

[wangchdo]

This CI error seems to be occurring in every PR:

Configuration/Tool: qemu-armv8a/rpproxy
2026-01-20 04:31:48
------------------------------------------------------------------------------------
  Cleaning...
/github/workspace/sources/apps/Application.mk:238: target 'signest.c.github.workspace.sources.apps.testing.ostest.o' given more than once in the same rule
/github/workspace/sources/apps/Application.mk:238: target 'signest.c.github.workspace.sources.apps.testing.ostest.o' given more than once in the same rule
  Configuring...
  Building NuttX...
cu_main.c: In function 'sigint':
Error: cu_main.c:128:33: error: 'siginfo' undeclared (first use in this function)
  128 |   FAR struct cu_globals_s *cu = siginfo->si_user;
      |                                 ^~~~~~~
cu_main.c:128:33: note: each undeclared identifier is reported only once for each function it appears in
make[2]: *** [/github/workspace/sources/apps/Application.mk:330: cu_main.c.github.workspace.sources.apps.system.cu.o] Error 1
make[2]: Target 'all' not remade because of errors.
make[1]: *** [Makefile:54: /github/workspace/sources/apps/system/cu_all] Error 2
make[1]: Target 'all' not remade because of errors.
make: *** [tools/LibTargets.mk:248: /github/workspace/sources/apps/libapps.a] Error 2
make: Target 'all' not remade because of errors.
/github/workspace/sources/nuttx/tools/testbuild.sh: line 385: /github/workspace/sources/nuttx/../nuttx/nuttx.manifest: No such file or directory

[xiaoxiang781216]

@ThePassionate please fix the break as soon as possible.

[xiaoxiang781216]

This CI error seems to be occurring in every PR:

Configuration/Tool: qemu-armv8a/rpproxy
2026-01-20 04:31:48
------------------------------------------------------------------------------------
  Cleaning...
/github/workspace/sources/apps/Application.mk:238: target 'signest.c.github.workspace.sources.apps.testing.ostest.o' given more than once in the same rule
/github/workspace/sources/apps/Application.mk:238: target 'signest.c.github.workspace.sources.apps.testing.ostest.o' given more than once in the same rule
  Configuring...
  Building NuttX...
cu_main.c: In function 'sigint':
Error: cu_main.c:128:33: error: 'siginfo' undeclared (first use in this function)
  128 |   FAR struct cu_globals_s *cu = siginfo->si_user;
      |                                 ^~~~~~~
cu_main.c:128:33: note: each undeclared identifier is reported only once for each function it appears in
make[2]: *** [/github/workspace/sources/apps/Application.mk:330: cu_main.c.github.workspace.sources.apps.system.cu.o] Error 1
make[2]: Target 'all' not remade because of errors.
make[1]: *** [Makefile:54: /github/workspace/sources/apps/system/cu_all] Error 2
make[1]: Target 'all' not remade because of errors.
make: *** [tools/LibTargets.mk:248: /github/workspace/sources/apps/libapps.a] Error 2
make: Target 'all' not remade because of errors.
/github/workspace/sources/nuttx/tools/testbuild.sh: line 385: /github/workspace/sources/nuttx/../nuttx/nuttx.manifest: No such file or directory

it's strange why apache/nuttx-apps#3314 pass ci.