diff options
Diffstat (limited to 'cmake/lib/ssm.cmake')
| -rw-r--r-- | cmake/lib/ssm.cmake | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/cmake/lib/ssm.cmake b/cmake/lib/ssm.cmake deleted file mode 100644 index 8a2971e6..00000000 --- a/cmake/lib/ssm.cmake +++ /dev/null @@ -1,137 +0,0 @@ -# Pool size configuration for Ouroboros secure shared memory -# This file defines the allocation parameters for the -# secure shared memory pool allocator - -# Shared memory pool naming configuration -set(SSM_PREFIX "ouroboros" CACHE STRING - "Prefix for secure shared memory pools") - -# Pool naming -set(SSM_GSPP_NAME "/${SSM_PREFIX}.gspp" CACHE INTERNAL - "Name for the Global Shared Packet Pool") -set(SSM_PUP_NAME_FMT "/${SSM_PREFIX}.pup.%d" CACHE INTERNAL - "Format string for Per-User Pool names (uid as argument)") - -# Legacy naming (for compatibility) -set(SSM_POOL_NAME "/${SHM_PREFIX}.pool" CACHE INTERNAL - "Name for the main POSIX shared memory pool") -set(SSM_POOL_BLOCKS 16384 CACHE STRING - "Number of blocks in SSM packet pool, must be a power of 2") -set(SSM_PK_BUFF_HEADSPACE 256 CACHE STRING - "Bytes of headspace to reserve for future headers") -set(SSM_PK_BUFF_TAILSPACE 32 CACHE STRING - "Bytes of tailspace to reserve for future tails") -set(SSM_RBUFF_SIZE 1024 CACHE STRING - "Number of blocks in rbuff buffer, must be a power of 2") -set(SSM_RBUFF_PREFIX "/${SHM_PREFIX}.rbuff." CACHE INTERNAL - "Prefix for rbuff POSIX shared memory filenames") -set(SSM_FLOW_SET_PREFIX "/${SHM_PREFIX}.set." CACHE INTERNAL - "Prefix for the POSIX shared memory flow set") - -# Number of shards per size class for reducing contention -set(SSM_POOL_SHARDS 4 CACHE STRING - "Number of allocator shards per size class") - -# Global Shared Packet Pool (GSPP) - for privileged processes -# Shared by all processes in 'ouroboros' group (~60 MB total) -set(SSM_GSPP_256_BLOCKS 1024 CACHE STRING - "GSPP: Number of 256B blocks") -set(SSM_GSPP_512_BLOCKS 768 CACHE STRING - "GSPP: Number of 512B blocks") -set(SSM_GSPP_1K_BLOCKS 512 CACHE STRING - "GSPP: Number of 1KB blocks") -set(SSM_GSPP_2K_BLOCKS 384 CACHE STRING - "GSPP: Number of 2KB blocks") -set(SSM_GSPP_4K_BLOCKS 256 CACHE STRING - "GSPP: Number of 4KB blocks") -set(SSM_GSPP_16K_BLOCKS 128 CACHE STRING - "GSPP: Number of 16KB blocks") -set(SSM_GSPP_64K_BLOCKS 64 CACHE STRING - "GSPP: Number of 64KB blocks") -set(SSM_GSPP_256K_BLOCKS 32 CACHE STRING - "GSPP: Number of 256KB blocks") -set(SSM_GSPP_1M_BLOCKS 16 CACHE STRING - "GSPP: Number of 1MB blocks") - -# Per-User Pool (PUP) - for unprivileged applications -# Each unprivileged app gets its own smaller pool (~7.5 MB total) -set(SSM_PUP_256_BLOCKS 128 CACHE STRING - "PUP: Number of 256B blocks") -set(SSM_PUP_512_BLOCKS 96 CACHE STRING - "PUP: Number of 512B blocks") -set(SSM_PUP_1K_BLOCKS 64 CACHE STRING - "PUP: Number of 1KB blocks") -set(SSM_PUP_2K_BLOCKS 48 CACHE STRING - "PUP: Number of 2KB blocks") -set(SSM_PUP_4K_BLOCKS 32 CACHE STRING - "PUP: Number of 4KB blocks") -set(SSM_PUP_16K_BLOCKS 16 CACHE STRING - "PUP: Number of 16KB blocks") -set(SSM_PUP_64K_BLOCKS 8 CACHE STRING - "PUP: Number of 64KB blocks") -set(SSM_PUP_256K_BLOCKS 2 CACHE STRING - "PUP: Number of 256KB blocks") -set(SSM_PUP_1M_BLOCKS 0 CACHE STRING - "PUP: Number of 1MB blocks") - -# SSM packet buffer overhead - computed at compile time via sizeof() -# Defined in config.h.in as sizeof(_ssm_memory_block) + sizeof(_ssm_pk_buff) -# This makes it portable across platforms with different pid_t sizes - -# GSPP total size calculation -math(EXPR SSM_GSPP_TOTAL_SIZE - "(1 << 8) * ${SSM_GSPP_256_BLOCKS} + \ - (1 << 9) * ${SSM_GSPP_512_BLOCKS} + \ - (1 << 10) * ${SSM_GSPP_1K_BLOCKS} + \ - (1 << 11) * ${SSM_GSPP_2K_BLOCKS} + \ - (1 << 12) * ${SSM_GSPP_4K_BLOCKS} + \ - (1 << 14) * ${SSM_GSPP_16K_BLOCKS} + \ - (1 << 16) * ${SSM_GSPP_64K_BLOCKS} + \ - (1 << 18) * ${SSM_GSPP_256K_BLOCKS} + \ - (1 << 20) * ${SSM_GSPP_1M_BLOCKS}") - -set(SSM_GSPP_TOTAL_SIZE ${SSM_GSPP_TOTAL_SIZE} CACHE INTERNAL - "GSPP total size in bytes") - -# PUP total size calculation -math(EXPR SSM_PUP_TOTAL_SIZE - "(1 << 8) * ${SSM_PUP_256_BLOCKS} + \ - (1 << 9) * ${SSM_PUP_512_BLOCKS} + \ - (1 << 10) * ${SSM_PUP_1K_BLOCKS} + \ - (1 << 11) * ${SSM_PUP_2K_BLOCKS} + \ - (1 << 12) * ${SSM_PUP_4K_BLOCKS} + \ - (1 << 14) * ${SSM_PUP_16K_BLOCKS} + \ - (1 << 16) * ${SSM_PUP_64K_BLOCKS} + \ - (1 << 18) * ${SSM_PUP_256K_BLOCKS} + \ - (1 << 20) * ${SSM_PUP_1M_BLOCKS}") - -set(SSM_PUP_TOTAL_SIZE ${SSM_PUP_TOTAL_SIZE} CACHE INTERNAL - "PUP total size in bytes") - -# Legacy total size (same as GSPP) -set(SSM_POOL_TOTAL_SIZE ${SSM_GSPP_TOTAL_SIZE} CACHE INTERNAL - "Total shared memory pool size in bytes") - -include(utils/HumanReadable) -format_bytes_human_readable(${SSM_GSPP_TOTAL_SIZE} SSM_GSPP_SIZE_DISPLAY) -format_bytes_human_readable(${SSM_PUP_TOTAL_SIZE} SSM_PUP_SIZE_DISPLAY) - -# Display configuration summary -message(STATUS "Secure Shared Memory Pool Configuration:") -message(STATUS " Pool prefix: ${SSM_PREFIX}") -message(STATUS " Size classes: " - "256B, 512B, 1KiB, 2KiB, 4KiB, 16KiB, 64KiB, 256KiB, 1MiB") -message(STATUS " Max allocation: 1 MB") -message(STATUS " Shards per class: ${SSM_POOL_SHARDS}") -message(STATUS " GSPP (privileged): ${SSM_GSPP_SIZE_DISPLAY} " - "(${SSM_GSPP_TOTAL_SIZE} bytes)") -message(STATUS " Blocks: ${SSM_GSPP_256_BLOCKS}, ${SSM_GSPP_512_BLOCKS}, " - "${SSM_GSPP_1K_BLOCKS}, ${SSM_GSPP_2K_BLOCKS}, ${SSM_GSPP_4K_BLOCKS}, " - "${SSM_GSPP_16K_BLOCKS}, ${SSM_GSPP_64K_BLOCKS}, ${SSM_GSPP_256K_BLOCKS}, " - "${SSM_GSPP_1M_BLOCKS}") -message(STATUS " PUP (unprivileged): ${SSM_PUP_SIZE_DISPLAY} " - "(${SSM_PUP_TOTAL_SIZE} bytes)") -message(STATUS " Blocks: ${SSM_PUP_256_BLOCKS}, ${SSM_PUP_512_BLOCKS}, " - "${SSM_PUP_1K_BLOCKS}, ${SSM_PUP_2K_BLOCKS}, ${SSM_PUP_4K_BLOCKS}, " - "${SSM_PUP_16K_BLOCKS}, ${SSM_PUP_64K_BLOCKS}, ${SSM_PUP_256K_BLOCKS}, " - "${SSM_PUP_1M_BLOCKS}") |