public/qemu
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

VFIO patch for HDA verbs logging

Browse source
This commit is contained in:
NorbertBolanowski 2023-08-28 09:02:03 +02:00 committed by naoto
parent c95e38d33b
commit 9ce54618eb
1 changed files with 73 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

73
hw/vfio/common.c
View file

@ -204,6 +204,13 @@ int vfio_set_irq_signaling(VFIODevice *vbasedev, int index, int subindex,
return ret; return ret;
} }
uint64_t corbbase = 0;
uint64_t rirbbase = 0;
uint64_t last_corbwp = 0;
uint64_t last_rirbwp = 0;
uint64_t corbs[1000] = { 0 };
uint64_t rirbs[1000] = { 0 };
/* /*
* IO Port/MMIO - Beware of the endians, VFIO is always little endian * IO Port/MMIO - Beware of the endians, VFIO is always little endian
*/ */
@ -237,6 +244,48 @@ void vfio_region_write(void *opaque, hwaddr addr,
break; break;
} }
if (region->nr == 0 && addr == 0x40) {
printf("CORBLBASE write of 0x%" PRIx64 "\n", data);
if (size == 8) {
corbbase = data;
} else {
corbbase = (corbbase & 0xffffffff00000000) | (data & 0xffffffff);
}
} else if (region->nr == 0 && addr == 0x44) {
printf("CORBUBASE write of 0x%" PRIx64 "\n", data);
corbbase = (data << 32) | (corbbase & 0xffffffff);
} else if (region->nr == 0 && addr == 0x50) {
printf("RIRBLBASE write of 0x%" PRIx64 "\n", data);
if (size == 8) {
rirbbase = data;
} else {
rirbbase = (rirbbase & 0xffffffff00000000) | (data & 0xffffffff);
}
} else if (region->nr == 0 && addr == 0x54) {
printf("RIRBUBASE write of 0x%" PRIx64 "\n", data);
rirbbase = (data << 32) | (rirbbase & 0xffffffff);
} else if (region->nr == 0 && addr == 0x48) {
uint8_t buf[16];
uint64_t x;
printf("CORBWP advance to %ld, last WP %ld\n", data, last_corbwp);
for (x = last_corbwp + 1; x <= data; x++) {
uint64_t dmaaddr = corbbase + (x * 4);
cpu_physical_memory_read(dmaaddr, buf, 4);
corbs[x] = (uint32_t)ldl_p(buf);
printf("CORB[%ld] = 0x%" PRIx64 " (caddr:0x%lx nid:0x%lx "
"control:0x%lx param:0x%lx)\n",
x,
corbs[x],
((corbs[x] >> 28) & 0xf), ((corbs[x] >> 20) & 0x7f),
((corbs[x] >> 8) & 0xfff), (corbs[x] & 0xff));
}
last_corbwp = data;
}
if (pwrite(vbasedev->fd, &buf, size, region->fd_offset + addr) != size) { if (pwrite(vbasedev->fd, &buf, size, region->fd_offset + addr) != size) {
error_report("%s(%s:region%d+0x%"HWADDR_PRIx", 0x%"PRIx64 error_report("%s(%s:region%d+0x%"HWADDR_PRIx", 0x%"PRIx64
",%d) failed: %m", ",%d) failed: %m",
@ -294,6 +343,30 @@ uint64_t vfio_region_read(void *opaque,
break; break;
} }
if (region->nr == 0 && addr == 0x58) {
uint8_t buf[16];
uint64_t x;
printf("RIRBWP advance to %ld, last WP %ld\n", data, last_rirbwp);
for (x = last_rirbwp + 1; x <= data; x++) {
uint64_t dmaaddr = rirbbase + (x * 8);
cpu_physical_memory_read(dmaaddr, buf, 4);
rirbs[x] = (uint32_t)ldl_p(buf);
printf("CORB caddr:0x%lx nid:0x%lx control:0x%lx param:0x%lx "
"response:0x%lx",
((corbs[x] >> 28) & 0xf), ((corbs[x] >> 20) & 0x7f),
((corbs[x] >> 8) & 0xfff), (corbs[x] & 0xff),
rirbs[x]);
cpu_physical_memory_read(dmaaddr + 4, buf, 4);
printf(" (ex 0x%x)\n", (uint32_t)ldl_p(buf));
}
last_rirbwp = data;
}
trace_vfio_region_read(vbasedev->name, region->nr, addr, size, data); trace_vfio_region_read(vbasedev->name, region->nr, addr, size, data);
/* Same as write above */ /* Same as write above */