dummy_nic: remove unnecessary and broken dummy nic

dummy_nic/Makefile

-CPPFLAGS += -I../nicsim_common/include -I../proto
-CFLAGS += -Wall -Wextra -Wno-unused-parameter -O3
-
-dummy_nic: dummy_nic.o ../nicsim_common/libnicsim_common.a
-
-all: dummy_nic
-
-clean:
-	rm -f *.o dummy_nic

dummy_nic/dummy_nic.c

-/*
- * Copyright 2020 Max Planck Institute for Software Systems
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
- * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/socket.h>
-#include <unistd.h>
-
-#include <nicsim.h>
-
-static volatile union cosim_pcie_proto_d2h *d2h_alloc(void)
-{
-    volatile union cosim_pcie_proto_d2h *msg = nicsim_d2h_alloc();
-    if (msg == NULL) {
-        fprintf(stderr, "d2h_alloc: no entry available\n");
-        abort();
-    }
-    return msg;
-}
-
-static void h2d_read(volatile struct cosim_pcie_proto_h2d_read *read)
-{
-    volatile union cosim_pcie_proto_d2h *msg;
-    volatile struct cosim_pcie_proto_d2h_readcomp *rc;
-    uint64_t val;
-
-    msg = d2h_alloc();
-    rc = &msg->readcomp;
-
-    val = read->offset + 42;
-    printf("read(bar=%u, off=%lu, len=%u) = %lu\n", read->bar, read->offset,
-            read->len, val);
-
-    memcpy((void *) rc->data, &val, read->len);
-    rc->req_id = read->req_id;
-
-    //WMB();
-    rc->own_type = COSIM_PCIE_PROTO_D2H_MSG_READCOMP |
-        COSIM_PCIE_PROTO_D2H_OWN_HOST;
-}
-
-static void h2d_write(volatile struct cosim_pcie_proto_h2d_write *write)
-{
-    volatile union cosim_pcie_proto_d2h *msg;
-    volatile struct cosim_pcie_proto_d2h_writecomp *wc;
-    uint64_t val;
-
-    msg = d2h_alloc();
-    wc = &msg->writecomp;
-
-    val = 0;
-    memcpy(&val, (void *) write->data, write->len);
-
-    printf("write(bar=%u, off=%lu, len=%u, val=%lu)\n", write->bar,
-            write->offset, write->len, val);
-
-    wc->req_id = write->req_id;
-
-    //WMB();
-    wc->own_type = COSIM_PCIE_PROTO_D2H_MSG_WRITECOMP |
-        COSIM_PCIE_PROTO_D2H_OWN_HOST;
-}
-
-void poll_h2d(void)
-{
-    volatile union cosim_pcie_proto_h2d *msg = nicif_h2d_poll();
-    uint8_t type;
-
-    if (msg == NULL)
-        return;
-
-    type = msg->dummy.own_type & COSIM_PCIE_PROTO_H2D_MSG_MASK;
-    switch (type) {
-        case COSIM_PCIE_PROTO_H2D_MSG_READ:
-            h2d_read(&msg->read);
-            break;
-
-        case COSIM_PCIE_PROTO_H2D_MSG_WRITE:
-            h2d_write(&msg->write);
-            break;
-
-        default:
-            fprintf(stderr, "poll_h2d: unsupported type=%u\n", type);
-    }
-
-    nicif_h2d_done(msg);
-    nicif_h2d_next();
-}
-
-int main(int argc, char *argv[])
-{
-    int sync = 0;
-    struct cosim_pcie_proto_dev_intro di;
-    memset(&di, 0, sizeof(di));
-
-    di.bars[0].len = 0x1000;
-    di.bars[0].flags = COSIM_PCIE_PROTO_BAR_64;
-
-    di.bars[2].len = 128;
-    di.bars[2].flags = COSIM_PCIE_PROTO_BAR_IO;
-
-    di.pci_vendor_id = 0x4321;
-    di.pci_device_id = 0x1234;
-    di.pci_class = 0x02;
-    di.pci_subclass = 0x00;
-    di.pci_revision = 0x00;
-    di.pci_msi_nvecs = 0x00;
-
-    if (nicsim_init(&di, "/tmp/cosim-pci", &sync, NULL, NULL,
-                "/dev/shm/dummy_nic_shm"))
-    {
-        return EXIT_FAILURE;
-    }
-
-    while (1) {
-        poll_h2d();
-    }
-
-    nicsim_cleanup();
-    return 0;
-}