8 #     http://www.apache.org/licenses/LICENSE-2.0
19  * \brief TPM NV API implementation.
22 #include "epid/member/tpm2/nv.h"
27 /// Find nv_index in nv array
31     if (ctx->nv[i].nv_index == nv_index) return i;  in EpidFindNvIndex()
33   return -1;  in EpidFindNvIndex()
36 /// Find empty node in nv array
40     if (!ctx->nv[i].data_size) return i;  in EpidFindFirstEmptyNvIndex()
42   return -1;  in EpidFindFirstEmptyNvIndex()
53   if (EpidFindNvIndex(ctx, nv_index) != -1) {  in Tpm2NvDefineSpace()
57   if (index == -1) {  in Tpm2NvDefineSpace()
60   ctx->nv[index].nv_index = nv_index;  in Tpm2NvDefineSpace()
62   ctx->nv[index].data_size = size;  in Tpm2NvDefineSpace()
75   if (index == -1) {  in Tpm2NvUndefineSpace()
78   ctx->nv[index].nv_index = 0;  in Tpm2NvUndefineSpace()
79   SAFE_FREE(ctx->nv[index].data);  in Tpm2NvUndefineSpace()
80   ctx->nv[index].data_size = 0;  in Tpm2NvUndefineSpace()
95   if (index == -1 || !ctx->nv[index].data) {  in Tpm2NvRead()
98   if (offset + size > ctx->nv[index].data_size) {  in Tpm2NvRead()
101   buf = (uint8_t*)ctx->nv[index].data + offset;  in Tpm2NvRead()
119   if (index == -1) {  in Tpm2NvWrite()
122   if (offset + size > ctx->nv[index].data_size) {  in Tpm2NvWrite()
125   if (!ctx->nv[index].data) {  in Tpm2NvWrite()
126     ctx->nv[index].data = SAFE_ALLOC(ctx->nv[index].data_size);  in Tpm2NvWrite()
127     if (!ctx->nv[index].data) return kEpidMemAllocErr;  in Tpm2NvWrite()
129   buf = (uint8_t*)ctx->nv[index].data + offset;  in Tpm2NvWrite()