]> rtime.felk.cvut.cz Git - zynq/linux.git/blobdiff - drivers/crypto/ccp/psp-dev.c
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
[zynq/linux.git] / drivers / crypto / ccp / psp-dev.c
index de5a8ca70d3da2918e48d91ff89b602a21872c0a..6b17d179ef8a0574bcfb6c77a0119c6b765f6177 100644 (file)
 #include "sp-dev.h"
 #include "psp-dev.h"
 
-#define SEV_VERSION_GREATER_OR_EQUAL(_maj, _min)       \
-               ((psp_master->api_major) >= _maj &&     \
-                (psp_master->api_minor) >= _min)
-
 #define DEVICE_NAME            "sev"
 #define SEV_FW_FILE            "amd/sev.fw"
 #define SEV_FW_NAME_SIZE       64
@@ -47,6 +43,15 @@ MODULE_PARM_DESC(psp_probe_timeout, " default timeout value, in seconds, during
 static bool psp_dead;
 static int psp_timeout;
 
+static inline bool sev_version_greater_or_equal(u8 maj, u8 min)
+{
+       if (psp_master->api_major > maj)
+               return true;
+       if (psp_master->api_major == maj && psp_master->api_minor >= min)
+               return true;
+       return false;
+}
+
 static struct psp_device *psp_alloc_struct(struct sp_device *sp)
 {
        struct device *dev = sp->dev;
@@ -588,7 +593,7 @@ static int sev_ioctl_do_get_id2(struct sev_issue_cmd *argp)
        int ret;
 
        /* SEV GET_ID is available from SEV API v0.16 and up */
-       if (!SEV_VERSION_GREATER_OR_EQUAL(0, 16))
+       if (!sev_version_greater_or_equal(0, 16))
                return -ENOTSUPP;
 
        if (copy_from_user(&input, (void __user *)argp->data, sizeof(input)))
@@ -651,7 +656,7 @@ static int sev_ioctl_do_get_id(struct sev_issue_cmd *argp)
        int ret;
 
        /* SEV GET_ID available from SEV API v0.16 and up */
-       if (!SEV_VERSION_GREATER_OR_EQUAL(0, 16))
+       if (!sev_version_greater_or_equal(0, 16))
                return -ENOTSUPP;
 
        /* SEV FW expects the buffer it fills with the ID to be
@@ -1053,7 +1058,7 @@ void psp_pci_init(void)
                psp_master->sev_state = SEV_STATE_UNINIT;
        }
 
-       if (SEV_VERSION_GREATER_OR_EQUAL(0, 15) &&
+       if (sev_version_greater_or_equal(0, 15) &&
            sev_update_firmware(psp_master->dev) == 0)
                sev_get_api_version();