common: Drop linux/delay.h from common header
[oweals/u-boot.git] / drivers / tpm / tpm2_tis_sandbox.c
index 66f6c9ba82fa426c6f9ce55cde7d5f0285833a82..522988795c0822a1300aadcf431e11e0f2f40009 100644 (file)
@@ -9,7 +9,7 @@
 #include <tpm-v2.h>
 #include <asm/state.h>
 #include <asm/unaligned.h>
-#include <linux/crc8.h>
+#include <u-boot/crc.h>
 
 /* Hierarchies */
 enum tpm2_hierarchy {
@@ -215,24 +215,24 @@ static int sandbox_tpm2_check_readyness(struct udevice *dev, int command)
        return 0;
 }
 
-static int sandbox_tpm2_fill_buf(u8 **recv, size_t *recv_len, u16 tag, u32 rc)
+static int sandbox_tpm2_fill_buf(u8 *recv, size_t *recv_len, u16 tag, u32 rc)
 {
        *recv_len = sizeof(tag) + sizeof(u32) + sizeof(rc);
 
        /* Write tag */
-       put_unaligned_be16(tag, *recv);
-       *recv += sizeof(tag);
+       put_unaligned_be16(tag, recv);
+       recv += sizeof(tag);
 
        /* Write length */
-       put_unaligned_be32(*recv_len, *recv);
-       *recv += sizeof(u32);
+       put_unaligned_be32(*recv_len, recv);
+       recv += sizeof(u32);
 
        /* Write return code */
-       put_unaligned_be32(rc, *recv);
-       *recv += sizeof(rc);
+       put_unaligned_be32(rc, recv);
+       recv += sizeof(rc);
 
        /* Add trailing \0 */
-       *recv = NULL;
+       *recv = '\0';
 
        return 0;
 }
@@ -272,7 +272,7 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
        u32 capability, property, property_count;
 
        /* TPM2_PCR_Read/Extend variables */
-       int pcr_index;
+       int pcr_index = 0;
        u64 pcr_map = 0;
        u32 selections, pcr_nb;
        u16 alg;
@@ -287,7 +287,7 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
                printf("TPM2: Unmatching length, received: %ld, expected: %d\n",
                       send_size, length);
                rc = TPM2_RC_SIZE;
-               sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+               sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                return 0;
        }
 
@@ -295,13 +295,13 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
        sent += sizeof(command);
        rc = sandbox_tpm2_check_readyness(dev, command);
        if (rc) {
-               sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+               sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                return 0;
        }
 
        rc = sandbox_tpm2_check_session(dev, command, tag, &sent, &hierarchy);
        if (rc) {
-               sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+               sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                return 0;
        }
 
@@ -319,7 +319,7 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
 
                tpm->startup_done = true;
 
-               sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+               sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                break;
 
        case TPM2_CC_SELF_TEST:
@@ -335,7 +335,7 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
 
                tpm->tests_done = true;
 
-               sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+               sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                break;
 
        case TPM2_CC_CLEAR:
@@ -358,7 +358,7 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
                                tpm->pcr[i][j] = 0;
                }
 
-               sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+               sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                break;
 
        case TPM2_CC_HIERCHANGEAUTH:
@@ -372,7 +372,7 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
                        sent += new_pw_sz;
                }
 
-               sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+               sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                break;
 
        case TPM2_CC_GET_CAPABILITY:
@@ -392,7 +392,7 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
                if (!property_count ||
                    property + property_count > TPM2_PROPERTY_NB) {
                        rc = TPM2_RC_HANDLE;
-                       return sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+                       return sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                }
 
                /* Write tag */
@@ -445,7 +445,7 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
                tpm->properties[TPM2_LOCKOUT_RECOVERY] = get_unaligned_be32(sent);
                sent += sizeof(*tpm->properties);
 
-               sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+               sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                break;
 
        case TPM2_CC_PCR_READ:
@@ -454,7 +454,7 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
                if (selections != 1) {
                        printf("Sandbox cannot handle more than one PCR\n");
                        rc = TPM2_RC_VALUE;
-                       return sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+                       return sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                }
 
                alg = get_unaligned_be16(sent);
@@ -462,7 +462,7 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
                if (alg != TPM2_ALG_SHA256) {
                        printf("Sandbox TPM only handle SHA256 algorithm\n");
                        rc = TPM2_RC_VALUE;
-                       return sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+                       return sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                }
 
                pcr_array_sz = *sent;
@@ -470,7 +470,7 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
                if (!pcr_array_sz || pcr_array_sz > 8) {
                        printf("Sandbox TPM cannot handle so much PCRs\n");
                        rc = TPM2_RC_VALUE;
-                       return sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+                       return sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                }
 
                for (i = 0; i < pcr_array_sz; i++)
@@ -480,13 +480,13 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
                        printf("Sandbox TPM handles up to %d PCR(s)\n",
                               SANDBOX_TPM_PCR_NB);
                        rc = TPM2_RC_VALUE;
-                       return sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+                       return sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                }
 
-               if (pcr_map >> SANDBOX_TPM_PCR_NB) {
-                       printf("Wrong PCR map.\n");
+               if (!pcr_map) {
+                       printf("Empty PCR map.\n");
                        rc = TPM2_RC_VALUE;
-                       return sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+                       return sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                }
 
                for (i = 0; i < SANDBOX_TPM_PCR_NB; i++)
@@ -538,7 +538,7 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
                if (pcr_nb != 1) {
                        printf("Sandbox cannot handle more than one PCR\n");
                        rc = TPM2_RC_VALUE;
-                       return sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+                       return sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                }
 
                /* Check the hash algorithm */
@@ -547,19 +547,19 @@ static int sandbox_tpm2_xfer(struct udevice *dev, const u8 *sendbuf,
                if (alg != TPM2_ALG_SHA256) {
                        printf("Sandbox TPM only handle SHA256 algorithm\n");
                        rc = TPM2_RC_VALUE;
-                       return sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+                       return sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                }
 
                /* Extend the PCR */
                rc = sandbox_tpm2_extend(dev, pcr_index, sent);
 
-               sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+               sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
                break;
 
        default:
                printf("TPM2 command %02x unknown in Sandbox\n", command);
                rc = TPM2_RC_COMMAND_CODE;
-               sandbox_tpm2_fill_buf(&recv, recv_len, tag, rc);
+               sandbox_tpm2_fill_buf(recv, recv_len, tag, rc);
        }
 
        return 0;