12
13
#include <sys/types.h>
13
14
#include <sys/time.h>
14
15
#include <sys/stat.h>
16
17
#include <pcilib.h>
17
#include "pcilib/kmem.h"
18
#include <pcilib/bar.h>
19
#include <pcilib/kmem.h>
19
21
#define DEVICE "/dev/fpga0"
22
#define BAR PCILIB_BAR0
21
25
#define WR(addr, value) { *(uint32_t*)(bar + addr) = value; }
22
26
#define RD(addr, value) { value = *(uint32_t*)(bar + addr); }
24
int main(int argc, char *argv[]) {
27
pcilib_kmem_handle_t *kbuf;
31
pci = pcilib_open(DEVICE, PCILIB_MODEL_DETECT);
33
printf("pcilib_open\n");
37
kbuf = pcilib_alloc_kernel_memory(pci, PCILIB_KMEM_TYPE_PAGE, 1, 4096, 4096, 0, 0);
38
volatile uint32_t *ua = pcilib_kmem_get_ua(pci, kbuf);
39
uintptr_t pa = pcilib_kmem_get_pa(pci, kbuf);
41
printf("User: %p\n", ua);
42
printf("HW : 0x%lx\n", pa);
28
void request(void* volatile ua) {
44
29
int fd = open("/sys/class/test/test0/test_request", O_RDWR);
49
printf("Error openning /sys/class/test/test0/test_request, errno %i\n", errno);
53
int main(int argc, char *argv[]) {
56
pcilib_kmem_handle_t *kbuf;
59
const pcilib_bar_info_t *bar_info;
61
pci = pcilib_open(DEVICE, PCILIB_MODEL_DETECT);
63
printf("pcilib_open\n");
67
kbuf = pcilib_alloc_kernel_memory(pci, PCILIB_KMEM_TYPE_PAGE, 1, 4096, 4096, 0, 0);
68
void* volatile ua = pcilib_kmem_get_ua(pci, kbuf);
69
uintptr_t pa = pcilib_kmem_get_pa(pci, kbuf);
71
printf("Kmem\n-----\n");
72
printf("User: %p\n", ua);
73
printf("HW : 0x%lx\n", pa);
77
bar = pcilib_resolve_bar_address(pci, BAR, 0);
83
bar_info = pcilib_get_bar_info(pci, BAR);
85
printf("Bar\n-----\n");
86
printf("User: %p\n", bar_info[BAR].virt_addr);
87
printf("HW : %p\n", bar_info[BAR].phys_addr);
88
request(bar_info[BAR].virt_addr);
65
91
pcilib_free_kernel_memory(pci, kbuf, 0);