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[common/client] ivshmem: add portable external frames

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This commit is contained in:
Geoffrey McRae
2026-09-12 09:49:24 +10:00
parent 6d367d4ab2
commit 382f35e503
28 changed files with 946 additions and 227 deletions
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14
host/src/app.c
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@@ -834,12 +834,18 @@ static bool newKVMFRData(KVMFRUserData * dst)
static bool lgmpSetup(struct IVSHMEM * shmDev)
{
if (shmDev->size > UINT32_MAX)
{
DEBUG_ERROR("IVSHMEM size exceeds LGMP's 32-bit host limit");
return false;
}
KVMFRUserData udata = { 0 };
if (!newKVMFRData(&udata))
goto fail_init;
LGMP_STATUS status;
if ((status = lgmpHostInit(shmDev->mem, shmDev->size, &app.lgmp,
if ((status = lgmpHostInit(shmDev->mem, (uint32_t)shmDev->size, &app.lgmp,
udata.used, udata.data)) != LGMP_OK)
{
DEBUG_ERROR("lgmpHostInit Failed: %s", lgmpStatusString(status));
@@ -1011,15 +1017,17 @@ int app_main(int argc, char * argv[])
return LG_HOST_EXIT_FATAL;
}
if (!ivshmemOpen(&shmDev))
if (!ivshmemOpen(&shmDev, IVSHMEM_CACHE_MODE_WRITECOMBINED))
{
DEBUG_ERROR("Failed to open the IVSHMEM device");
ivshmemFree(&shmDev);
return LG_HOST_EXIT_FATAL;
}
app.ivshmemBase = shmDev.mem;
int exitcode = 0;
DEBUG_INFO("IVSHMEM Size : %u MiB", shmDev.size / 1048576);
DEBUG_INFO("IVSHMEM Size : %" PRIu64 " MiB",
(uint64_t)shmDev.size / 1048576);
DEBUG_INFO("IVSHMEM Address : 0x%" PRIXPTR, (uintptr_t)shmDev.mem);
DEBUG_INFO("Max Pointer Size : %u KiB", (unsigned int)MAX_POINTER_SIZE / 1024);
DEBUG_INFO("KVMFR Version : %u", KVMFR_VERSION);