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fixed afu to cpu mempcy hang

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This commit is contained in:
Blaise Tine
2020-10-28 14:19:13 -07:00
parent 9a9f7955f0
commit 3fe31fc337
7 changed files with 86 additions and 33 deletions
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53
driver/opae/vortex.cpp
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@@ -26,14 +26,14 @@
#define ALLOC_BASE_ADDR 0x10000000
#define LOCAL_MEM_SIZE 0xffffffff
#define CHECK_RES(_expr) \
do { \
fpga_result res = _expr; \
if (res == FPGA_OK) \
break; \
printf("[VXDRV] Error: '%s' returned %d, %s!\n", \
#_expr, (int)res, fpgaErrStr(res)); \
return -1; \
#define CHECK_RES(_expr) \
do { \
fpga_result res = _expr; \
if (res == FPGA_OK) \
break; \
printf("[VXDRV] Error: '%s' returned %d, %s!\n", \
#_expr, (int)res, fpgaErrStr(res)); \
return -1; \
} while (false)
///////////////////////////////////////////////////////////////////////////////
@@ -130,39 +130,57 @@ extern int vx_dev_open(vx_device_h* hdevice) {
if (nullptr == hdevice)
return -1;
fpga_result res;
fpga_handle accel_handle;
vx_device_t* device;
#ifndef USE_VLSIM
fpga_result res;
fpga_token accel_token;
fpga_properties filter = nullptr;
fpga_guid guid;
uint32_t num_matches;
// Set up a filter that will search for an accelerator
fpgaGetProperties(nullptr, &filter);
fpgaPropertiesSetObjectType(filter, FPGA_ACCELERATOR);
CHECK_RES(fpgaGetProperties(nullptr, &filter));
res = fpgaPropertiesSetObjectType(filter, FPGA_ACCELERATOR);
if (res != FPGA_OK) {
fprintf(stderr, "[VXDRV] Error: fpgaGetProperties() returned %d, %s!\n", (int)res, fpgaErrStr(res));
fpgaDestroyProperties(&filter);
return -1;
}
// Add the desired UUID to the filter
uuid_parse(AFU_ACCEL_UUID, guid);
fpgaPropertiesSetGUID(filter, guid);
res = fpgaPropertiesSetGUID(filter, guid);
if (res != FPGA_OK) {
fprintf(stderr, "[VXDRV] Error: fpgaPropertiesSetGUID() returned %d, %s!\n", (int)res, fpgaErrStr(res));
fpgaDestroyProperties(&filter);
return -1;
}
// Do the search across the available FPGA contexts
num_matches = 1;
fpgaEnumerate(&filter, 1, &accel_token, 1, &num_matches);
res = fpgaEnumerate(&filter, 1, &accel_token, 1, &num_matches);
if (res != FPGA_OK) {
fprintf(stderr, "[VXDRV] Error: fpgaEnumerate() returned %d, %s!\n", (int)res, fpgaErrStr(res));
fpgaDestroyProperties(&filter);
return -1;
}
// Not needed anymore
fpgaDestroyProperties(&filter);
if (num_matches < 1) {
fprintf(stderr, "[VXDRV] Error: accelerator %s not found!\n", AFU_ACCEL_UUID);
fpgaDestroyToken(&accel_token);
return -1;
}
// Open accelerator
res = fpgaOpen(accel_token, &accel_handle, 0);
if (FPGA_OK != res) {
if (res != FPGA_OK) {
fprintf(stderr, "[VXDRV] Error: fpgaOpen() returned %d, %s!\n", (int)res, fpgaErrStr(res));
fpgaDestroyToken(&accel_token);
return -1;
}
@@ -170,10 +188,7 @@ extern int vx_dev_open(vx_device_h* hdevice) {
fpgaDestroyToken(&accel_token);
#else
// Open accelerator
res = fpgaOpen(NULL, &accel_handle, 0);
if (FPGA_OK != res) {
return -1;
}
CHECK_RES(fpgaOpen(NULL, &accel_handle, 0));
#endif
// allocate device object
@@ -193,7 +208,7 @@ extern int vx_dev_open(vx_device_h* hdevice) {
ret |= vx_csr_get(device, 0, CSR_NC, &device->num_cores);
ret |= vx_csr_get(device, 0, CSR_NW, &device->num_warps);
ret |= vx_csr_get(device, 0, CSR_NT, &device->num_threads);
if (ret != 0) {
if (ret != FPGA_OK) {
fpgaClose(accel_handle);
return ret;
}