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nouveau: add nv_device_uuid

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Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30455>
This commit is contained in:
Karol Herbst 2024-08-01 00:02:47 +02:00 • committed by Marge Bot
parent 9c15875d4d
commit 826d00617c
1 changed files with 24 additions and 0 deletions
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24
src/nouveau/headers/nv_device_info.h
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@ -1,6 +1,9 @@
#ifndef NV_DEVINFO_H
#define NV_DEVINFO_H
#include <stdbool.h>
#include <string.h>
#include "util/macros.h"
#define NVIDIA_VENDOR_ID 0x10de
@ -46,4 +49,25 @@ struct nv_device_info {
uint64_t bar_size_B;
};
static inline void
nv_device_uuid(const struct nv_device_info *info, uint8_t *uuid, size_t len, bool vm_bind)
{
uint16_t vendor_id = NVIDIA_VENDOR_ID;
assert(len >= 16);
memset(uuid, 0, len);
memcpy(&uuid[0], &info->chipset, 2);
memcpy(&uuid[2], &vendor_id, 2);
memcpy(&uuid[4], &info->device_id, 2);
if (info->type != NV_DEVICE_TYPE_SOC) {
memcpy(&uuid[6], &info->pci.domain, 2);
uuid[8] = info->pci.bus;
uuid[9] = info->pci.dev;
uuid[10] = info->pci.func;
}
uuid[11] = vm_bind;
}
#endif /* NV_DEVINFO_H */