diff options
Diffstat (limited to 'meta-fsl-ppc/recipes-kernel/cryptodev/cryptodev-fsl/0005-Asynchronous-interface-changes-in-cryptodev.patch')
-rw-r--r-- | meta-fsl-ppc/recipes-kernel/cryptodev/cryptodev-fsl/0005-Asynchronous-interface-changes-in-cryptodev.patch | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/meta-fsl-ppc/recipes-kernel/cryptodev/cryptodev-fsl/0005-Asynchronous-interface-changes-in-cryptodev.patch b/meta-fsl-ppc/recipes-kernel/cryptodev/cryptodev-fsl/0005-Asynchronous-interface-changes-in-cryptodev.patch new file mode 100644 index 00000000..2f88eda3 --- /dev/null +++ b/meta-fsl-ppc/recipes-kernel/cryptodev/cryptodev-fsl/0005-Asynchronous-interface-changes-in-cryptodev.patch @@ -0,0 +1,213 @@ +From ddc4179a454cea79c8385fd6756d20cbf3c6dcb5 Mon Sep 17 00:00:00 2001 +From: Yashpal Dutta <yashpal.dutta@freescale.com> +Date: Fri, 7 Mar 2014 07:24:00 +0545 +Subject: [PATCH 5/9] Asynchronous interface changes in cryptodev + +Upstream-status: Pending + +Signed-off-by: Yashpal Dutta <yashpal.dutta@freescale.com> +--- + cryptlib.h | 7 ++++- + crypto/cryptodev.h | 10 ++++++- + cryptodev_int.h | 10 ++++++- + ioctl.c | 76 +++++++++++++++++++++++++++++++++++++----------------- + 4 files changed, 76 insertions(+), 27 deletions(-) + +diff --git a/cryptlib.h b/cryptlib.h +index 56d325a..7ffa54c 100644 +--- a/cryptlib.h ++++ b/cryptlib.h +@@ -113,7 +113,12 @@ struct cryptodev_pkc { + struct pkc_request req; /* PKC request structure allocated + from CryptoAPI */ + enum offload_type type; /* Synchronous Vs Asynchronous request */ +- void *cookie; /*Additional opaque cookie to be used in future */ ++ /* ++ * cookie used for transfering tranparent information from async ++ * submission to async fetch. Currently some dynamic allocated ++ * buffers are maintained which will be freed later during fetch ++ */ ++ void *cookie; + struct crypt_priv *priv; + }; + +diff --git a/crypto/cryptodev.h b/crypto/cryptodev.h +index 96675fe..4436fbf 100644 +--- a/crypto/cryptodev.h ++++ b/crypto/cryptodev.h +@@ -254,6 +254,14 @@ struct crypt_kop { + void *cookie; + }; + ++#define MAX_COOKIES 4 ++ ++struct pkc_cookie_list_s { ++ int cookie_available; ++ void *cookie[MAX_COOKIES]; ++ int status[MAX_COOKIES]; ++}; ++ + enum cryptodev_crk_op_t { + CRK_MOD_EXP = 0, + CRK_MOD_EXP_CRT = 1, +@@ -298,5 +306,5 @@ enum cryptodev_crk_op_t { + #define CIOCASYNCFETCH _IOR('c', 111, struct crypt_op) + /* additional ioctls for asynchronous operation for asymmetric ciphers*/ + #define CIOCASYMASYNCRYPT _IOW('c', 112, struct crypt_kop) +-#define CIOCASYMASYNFETCH _IOR('c', 113, struct crypt_kop) ++#define CIOCASYMFETCHCOOKIE _IOR('c', 113, struct pkc_cookie_list_s) + #endif /* L_CRYPTODEV_H */ +diff --git a/cryptodev_int.h b/cryptodev_int.h +index cf54dac..5347cae 100644 +--- a/cryptodev_int.h ++++ b/cryptodev_int.h +@@ -93,6 +93,12 @@ struct compat_crypt_kop { + compat_uptr_t cookie; + }; + ++struct compat_pkc_cookie_list_s { ++ int cookie_available; ++ compat_uptr_t cookie[MAX_COOKIES]; ++ int status[MAX_COOKIES]; ++}; ++ + /* input of CIOCAUTHCRYPT */ + struct compat_crypt_auth_op { + uint32_t ses; /* session identifier */ +@@ -126,11 +132,13 @@ struct compat_crypt_auth_op { + /* compat ioctls, defined for the above structs */ + #define COMPAT_CIOCGSESSION _IOWR('c', 102, struct compat_session_op) + #define COMPAT_CIOCCRYPT _IOWR('c', 104, struct compat_crypt_op) ++#define COMPAT_CIOCKEY _IOW('c', 105, struct compat_crypt_kop) + #define COMPAT_CIOCASYNCCRYPT _IOW('c', 107, struct compat_crypt_op) + #define COMPAT_CIOCASYNCFETCH _IOR('c', 108, struct compat_crypt_op) + #define COMPAT_CIOCAUTHCRYPT _IOWR('c', 109, struct compat_crypt_auth_op) + #define COMPAT_CIOCASYMASYNCRYPT _IOW('c', 110, struct compat_crypt_kop) +-#define COMPAT_CIOCASYMASYNFETCH _IOR('c', 111, struct compat_crypt_kop) ++#define COMPAT_CIOCASYMFETCHCOOKIE _IOR('c', 111, \ ++ struct compat_pkc_cookie_list_s) + + #endif /* CONFIG_COMPAT */ + +diff --git a/ioctl.c b/ioctl.c +index 3baf3e6..2eb7f03 100644 +--- a/ioctl.c ++++ b/ioctl.c +@@ -105,8 +105,6 @@ void cryptodev_complete_asym(struct crypto_async_request *req, int err) + crypto_free_pkc(pkc->s); + res->err = err; + if (pkc->type == SYNCHRONOUS) { +- if (err == -EINPROGRESS) +- return; + complete(&res->completion); + } else { + struct crypt_priv *pcr = pkc->priv; +@@ -1051,26 +1049,41 @@ cryptodev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg_) + ret = 0; + } + return ret; +- case CIOCASYMASYNFETCH: ++ case CIOCASYMFETCHCOOKIE: + { + struct cryptodev_pkc *pkc; + unsigned long flags; ++ int i; ++ struct pkc_cookie_list_s cookie_list; + + spin_lock_irqsave(&pcr->completion_lock, flags); +- if (list_empty(&pcr->asym_completed_list)) { +- spin_unlock_irqrestore(&pcr->completion_lock, flags); +- return -ENOMEM; ++ cookie_list.cookie_available = 0; ++ for (i = 0; i < MAX_COOKIES; i++) { ++ if (!list_empty(&pcr->asym_completed_list)) { ++ /* Run a loop in the list for upto elements ++ and copy their response back */ ++ pkc = ++ list_first_entry(&pcr->asym_completed_list, ++ struct cryptodev_pkc, list); ++ list_del(&pkc->list); ++ ret = crypto_async_fetch_asym(pkc); ++ if (!ret) { ++ cookie_list.cookie_available++; ++ cookie_list.cookie[i] = ++ pkc->kop.kop.cookie; ++ cookie_list.status[i] = pkc->result.err; ++ } ++ kfree(pkc); ++ } else { ++ break; ++ } + } +- pkc = list_first_entry(&pcr->asym_completed_list, +- struct cryptodev_pkc, list); +- list_del(&pkc->list); + spin_unlock_irqrestore(&pcr->completion_lock, flags); +- ret = crypto_async_fetch_asym(pkc); + + /* Reflect the updated request to user-space */ +- if (!ret) +- kop_to_user(&pkc->kop, arg); +- kfree(pkc); ++ if (cookie_list.cookie_available) ++ copy_to_user(arg, &cookie_list, ++ sizeof(struct pkc_cookie_list_s)); + } + return ret; + default: +@@ -1345,26 +1358,41 @@ cryptodev_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg_) + ret = 0; + } + return ret; +- case COMPAT_CIOCASYMASYNFETCH: ++ case COMPAT_CIOCASYMFETCHCOOKIE: + { + struct cryptodev_pkc *pkc; + unsigned long flags; ++ int i = 0; ++ struct compat_pkc_cookie_list_s cookie_list; + + spin_lock_irqsave(&pcr->completion_lock, flags); +- if (list_empty(&pcr->asym_completed_list)) { +- spin_unlock_irqrestore(&pcr->completion_lock, flags); +- return -ENOMEM; ++ cookie_list.cookie_available = 0; ++ ++ for (i = 0; i < MAX_COOKIES; i++) { ++ if (!list_empty(&pcr->asym_completed_list)) { ++ /* Run a loop in the list for upto elements ++ and copy their response back */ ++ pkc = ++ list_first_entry(&pcr->asym_completed_list, ++ struct cryptodev_pkc, list); ++ list_del(&pkc->list); ++ ret = crypto_async_fetch_asym(pkc); ++ if (!ret) { ++ cookie_list.cookie_available++; ++ cookie_list.cookie[i] = ++ pkc->kop.kop.cookie; ++ } ++ kfree(pkc); ++ } else { ++ break; ++ } + } +- pkc = list_first_entry(&pcr->asym_completed_list, +- struct cryptodev_pkc, list); +- list_del(&pkc->list); + spin_unlock_irqrestore(&pcr->completion_lock, flags); +- ret = crypto_async_fetch_asym(pkc); + + /* Reflect the updated request to user-space */ +- if (!ret) +- compat_kop_to_user(&pkc->kop, arg); +- kfree(pkc); ++ if (cookie_list.cookie_available) ++ copy_to_user(arg, &cookie_list, ++ sizeof(struct compat_pkc_cookie_list_s)); + } + return ret; + default: +-- +1.8.3.1 + |