diff options
Diffstat (limited to 'drivers/ufs/core/ufshcd-crypto.c')
| -rw-r--r-- | drivers/ufs/core/ufshcd-crypto.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/drivers/ufs/core/ufshcd-crypto.c b/drivers/ufs/core/ufshcd-crypto.c index f2c4422cab86..a714dad82cd1 100644 --- a/drivers/ufs/core/ufshcd-crypto.c +++ b/drivers/ufs/core/ufshcd-crypto.c @@ -95,8 +95,12 @@ static int ufshcd_crypto_keyslot_program(struct blk_crypto_profile *profile, return err; } -static int ufshcd_clear_keyslot(struct ufs_hba *hba, int slot) +static int ufshcd_crypto_keyslot_evict(struct blk_crypto_profile *profile, + const struct blk_crypto_key *key, + unsigned int slot) { + struct ufs_hba *hba = + container_of(profile, struct ufs_hba, crypto_profile); /* * Clear the crypto cfg on the device. Clearing CFGE * might not be sufficient, so just clear the entire cfg. @@ -106,16 +110,10 @@ static int ufshcd_clear_keyslot(struct ufs_hba *hba, int slot) return ufshcd_program_key(hba, &cfg, slot); } -static int ufshcd_crypto_keyslot_evict(struct blk_crypto_profile *profile, - const struct blk_crypto_key *key, - unsigned int slot) -{ - struct ufs_hba *hba = - container_of(profile, struct ufs_hba, crypto_profile); - - return ufshcd_clear_keyslot(hba, slot); -} - +/* + * Reprogram the keyslots if needed, and return true if CRYPTO_GENERAL_ENABLE + * should be used in the host controller initialization sequence. + */ bool ufshcd_crypto_enable(struct ufs_hba *hba) { if (!(hba->caps & UFSHCD_CAP_CRYPTO)) @@ -123,6 +121,10 @@ bool ufshcd_crypto_enable(struct ufs_hba *hba) /* Reset might clear all keys, so reprogram all the keys. */ blk_crypto_reprogram_all_keys(&hba->crypto_profile); + + if (hba->quirks & UFSHCD_QUIRK_BROKEN_CRYPTO_ENABLE) + return false; + return true; } @@ -159,6 +161,9 @@ int ufshcd_hba_init_crypto_capabilities(struct ufs_hba *hba) int err = 0; enum blk_crypto_mode_num blk_mode_num; + if (hba->quirks & UFSHCD_QUIRK_CUSTOM_CRYPTO_PROFILE) + return 0; + /* * Don't use crypto if either the hardware doesn't advertise the * standard crypto capability bit *or* if the vendor specific driver @@ -228,9 +233,10 @@ void ufshcd_init_crypto(struct ufs_hba *hba) if (!(hba->caps & UFSHCD_CAP_CRYPTO)) return; - /* Clear all keyslots - the number of keyslots is (CFGC + 1) */ - for (slot = 0; slot < hba->crypto_capabilities.config_count + 1; slot++) - ufshcd_clear_keyslot(hba, slot); + /* Clear all keyslots. */ + for (slot = 0; slot < hba->crypto_profile.num_slots; slot++) + hba->crypto_profile.ll_ops.keyslot_evict(&hba->crypto_profile, + NULL, slot); } void ufshcd_crypto_register(struct ufs_hba *hba, struct request_queue *q) |