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From: Anoob Joseph <anoob.joseph@caviumnetworks.com>
To: Akhil Goyal <akhil.goyal@nxp.com>,
Pablo de Lara <pablo.de.lara.guarch@intel.com>,
Thomas Monjalon <thomas@monjalon.net>
Cc: Anoob Joseph <anoob.joseph@caviumnetworks.com>,
Jerin Jacob <jerin.jacob@caviumnetworks.com>,
Narayana Prasad <narayanaprasad.athreya@caviumnetworks.com>,
Ankur Dwivedi <ankur.dwivedi@caviumnetworks.com>,
Murthy NSSR <nidadavolu.murthy@caviumnetworks.com>,
Nithin Dabilpuram <nithin.dabilpuram@caviumnetworks.com>,
Ragothaman Jayaraman <rjayaraman@caviumnetworks.com>,
Srisivasubramanian S <ssrinivasan@caviumnetworks.com>,
Tejasree Kondoj <kondoj.tejasree@caviumnetworks.com>, dev@dpdk.org
Date: Tue, 9 Oct 2018 14:37:38 +0530
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Subject: [dpdk-dev] [PATCH v4 05/23] common/cpt: add PMD ops helper functions
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Adding pmd ops helper functions. Control path accessed APIs would be
added as helper functions. Adding microcode defined macros etc as
dependencies to the helper functions.
Signed-off-by: Ankur Dwivedi <ankur.dwivedi@caviumnetworks.com>
Signed-off-by: Anoob Joseph <anoob.joseph@caviumnetworks.com>
Signed-off-by: Murthy NSSR <nidadavolu.murthy@caviumnetworks.com>
Signed-off-by: Nithin Dabilpuram <nithin.dabilpuram@caviumnetworks.com>
Signed-off-by: Ragothaman Jayaraman <rjayaraman@caviumnetworks.com>
Signed-off-by: Srisivasubramanian S <ssrinivasan@caviumnetworks.com>
Signed-off-by: Tejasree Kondoj <kondoj.tejasree@caviumnetworks.com>
---
drivers/common/Makefile | 4 +++
drivers/common/cpt/Makefile | 25 ++++++++++++++++
drivers/common/cpt/cpt_common.h | 36 +++++++++++++++++++++++
drivers/common/cpt/cpt_mcode_defines.h | 38 +++++++++++++++++++++++++
drivers/common/cpt/cpt_pmd_ops_helper.c | 41 +++++++++++++++++++++++++++
drivers/common/cpt/cpt_pmd_ops_helper.h | 34 ++++++++++++++++++++++
drivers/common/cpt/meson.build | 8 ++++++
drivers/common/cpt/rte_common_cpt_version.map | 6 ++++
drivers/common/meson.build | 2 +-
mk/rte.app.mk | 4 +++
10 files changed, 197 insertions(+), 1 deletion(-)
create mode 100644 drivers/common/cpt/Makefile
create mode 100644 drivers/common/cpt/cpt_mcode_defines.h
create mode 100644 drivers/common/cpt/cpt_pmd_ops_helper.c
create mode 100644 drivers/common/cpt/cpt_pmd_ops_helper.h
create mode 100644 drivers/common/cpt/meson.build
create mode 100644 drivers/common/cpt/rte_common_cpt_version.map
diff --git a/drivers/common/Makefile b/drivers/common/Makefile
index 5bcff17..29a8f6d 100644
--- a/drivers/common/Makefile
+++ b/drivers/common/Makefile
@@ -4,6 +4,10 @@
include $(RTE_SDK)/mk/rte.vars.mk
+ifeq ($(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_CRYPTO),y)
+DIRS-y += cpt
+endif
+
ifeq ($(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF)$(CONFIG_RTE_LIBRTE_OCTEONTX_MEMPOOL),yy)
DIRS-y += octeontx
endif
diff --git a/drivers/common/cpt/Makefile b/drivers/common/cpt/Makefile
new file mode 100644
index 0000000..2340aa9
--- /dev/null
+++ b/drivers/common/cpt/Makefile
@@ -0,0 +1,25 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2018 Cavium, Inc
+#
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+#
+# library name
+#
+LIB = librte_common_cpt.a
+
+CFLAGS += $(WERROR_FLAGS)
+CFLAGS += -I$(RTE_SDK)/drivers/bus/pci
+EXPORT_MAP := rte_common_cpt_version.map
+
+LIBABIVER := 1
+
+#
+# all source are stored in SRCS-y
+#
+SRCS-y += cpt_pmd_ops_helper.c
+
+LDLIBS += -lrte_eal
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/common/cpt/cpt_common.h b/drivers/common/cpt/cpt_common.h
index 5e2099a..88f4902 100644
--- a/drivers/common/cpt/cpt_common.h
+++ b/drivers/common/cpt/cpt_common.h
@@ -18,6 +18,24 @@
#define AE_TYPE 1
#define SE_TYPE 2
+#ifndef ROUNDUP4
+#define ROUNDUP4(val) (((val) + 3) & 0xfffffffc)
+#endif
+
+#ifndef ROUNDUP8
+#define ROUNDUP8(val) (((val) + 7) & 0xfffffff8)
+#endif
+
+#ifndef ROUNDUP16
+#define ROUNDUP16(val) (((val) + 15) & 0xfffffff0)
+#endif
+
+#ifndef __hot
+#define __hot __attribute__((hot))
+#endif
+
+#define MOD_INC(i, l) ((i) == (l - 1) ? (i) = 0 : (i)++)
+
struct cptvf_meta_info {
void *cptvf_meta_pool;
int cptvf_op_mlen;
@@ -44,4 +62,22 @@ struct pending_queue {
uint64_t pending_count;
};
+struct cpt_request_info {
+ /** Data path fields */
+ uint64_t comp_baddr;
+ volatile uint64_t *completion_addr;
+ volatile uint64_t *alternate_caddr;
+ void *op;
+ struct {
+ uint64_t ei0;
+ uint64_t ei1;
+ uint64_t ei2;
+ uint64_t ei3;
+ } ist;
+
+ /** Control path fields */
+ uint64_t time_out;
+ uint8_t extra_time;
+};
+
#endif /* _CPT_COMMON_H_ */
diff --git a/drivers/common/cpt/cpt_mcode_defines.h b/drivers/common/cpt/cpt_mcode_defines.h
new file mode 100644
index 0000000..83a8a42
--- /dev/null
+++ b/drivers/common/cpt/cpt_mcode_defines.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Cavium, Inc
+ */
+
+#ifndef _CPT_MCODE_DEFINES_H_
+#define _CPT_MCODE_DEFINES_H_
+
+/*
+ * This file defines macros and structures according to microcode spec
+ *
+ */
+
+#define CPT_BYTE_16 16
+#define CPT_BYTE_24 24
+#define CPT_BYTE_32 32
+#define CPT_MAX_SG_IN_OUT_CNT 32
+#define CPT_MAX_SG_CNT (CPT_MAX_SG_IN_OUT_CNT/2)
+
+#define COMPLETION_CODE_SIZE 8
+#define COMPLETION_CODE_INIT 0
+
+#define SG_LIST_HDR_SIZE (8u)
+#define SG_ENTRY_SIZE sizeof(sg_comp_t)
+
+/* #define CPT_ALWAYS_USE_SG_MODE */
+#define CPT_ALWAYS_USE_SEPARATE_BUF
+
+typedef struct sglist_comp {
+ union {
+ uint64_t len;
+ struct {
+ uint16_t len[4];
+ } s;
+ } u;
+ uint64_t ptr[4];
+} sg_comp_t;
+
+#endif /* _CPT_MCODE_DEFINES_H_ */
diff --git a/drivers/common/cpt/cpt_pmd_ops_helper.c b/drivers/common/cpt/cpt_pmd_ops_helper.c
new file mode 100644
index 0000000..1c18180
--- /dev/null
+++ b/drivers/common/cpt/cpt_pmd_ops_helper.c
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Cavium, Inc
+ */
+
+#include <rte_common.h>
+
+#include "cpt_common.h"
+#include "cpt_hw_types.h"
+#include "cpt_mcode_defines.h"
+#include "cpt_pmd_ops_helper.h"
+
+#define CPT_MAX_IV_LEN 16
+#define CPT_OFFSET_CONTROL_BYTES 8
+
+int32_t
+cpt_pmd_ops_helper_get_mlen_direct_mode(void)
+{
+ uint32_t len = 0;
+
+ /* Request structure */
+ len = sizeof(struct cpt_request_info);
+
+ /* CPT HW result structure plus extra as it is aligned */
+ len += 2*sizeof(cpt_res_s_t);
+
+ return len;
+}
+
+int
+cpt_pmd_ops_helper_get_mlen_sg_mode(void)
+{
+ uint32_t len = 0;
+
+ len += sizeof(struct cpt_request_info);
+ len += CPT_OFFSET_CONTROL_BYTES + CPT_MAX_IV_LEN;
+ len += ROUNDUP8(SG_LIST_HDR_SIZE +
+ (ROUNDUP4(CPT_MAX_SG_IN_OUT_CNT) >> 2) * SG_ENTRY_SIZE);
+ len += 2 * COMPLETION_CODE_SIZE;
+ len += 2 * sizeof(cpt_res_s_t);
+ return len;
+}
diff --git a/drivers/common/cpt/cpt_pmd_ops_helper.h b/drivers/common/cpt/cpt_pmd_ops_helper.h
new file mode 100644
index 0000000..dd32f9a
--- /dev/null
+++ b/drivers/common/cpt/cpt_pmd_ops_helper.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Cavium, Inc
+ */
+
+#ifndef _CPT_PMD_OPS_HELPER_H_
+#define _CPT_PMD_OPS_HELPER_H_
+
+/*
+ * This file defines the agreement between the common layer and the individual
+ * crypto drivers for OCTEON TX series. Control path in otx* directory can
+ * directly call functions declared here.
+ */
+
+/*
+ * Get meta length required when operating in direct mode (single buffer
+ * in-place)
+ *
+ * @return
+ * - length
+ */
+
+int32_t
+cpt_pmd_ops_helper_get_mlen_direct_mode(void);
+
+/*
+ * Get size of contiguous meta buffer to be allocated when working in scatter
+ * gather mode.
+ *
+ * @return
+ * - length
+ */
+int
+cpt_pmd_ops_helper_get_mlen_sg_mode(void);
+#endif /* _CPT_PMD_OPS_HELPER_H_ */
diff --git a/drivers/common/cpt/meson.build b/drivers/common/cpt/meson.build
new file mode 100644
index 0000000..0a905aa
--- /dev/null
+++ b/drivers/common/cpt/meson.build
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2018 Cavium, Inc
+
+sources = files('cpt_pmd_ops_helper.c')
+
+deps = ['kvargs', 'pci', 'cryptodev']
+includes += include_directories('../../crypto/octeontx')
+allow_experimental_apis = true
diff --git a/drivers/common/cpt/rte_common_cpt_version.map b/drivers/common/cpt/rte_common_cpt_version.map
new file mode 100644
index 0000000..dec614f
--- /dev/null
+++ b/drivers/common/cpt/rte_common_cpt_version.map
@@ -0,0 +1,6 @@
+DPDK_18.11 {
+ global:
+
+ cpt_pmd_ops_helper_get_mlen_direct_mode;
+ cpt_pmd_ops_helper_get_mlen_sg_mode;
+};
diff --git a/drivers/common/meson.build b/drivers/common/meson.build
index f828ce7..dd14f85 100644
--- a/drivers/common/meson.build
+++ b/drivers/common/meson.build
@@ -2,6 +2,6 @@
# Copyright(c) 2018 Cavium, Inc
std_deps = ['eal']
-drivers = ['mvep', 'octeontx', 'qat']
+drivers = ['cpt', 'mvep', 'octeontx', 'qat']
config_flag_fmt = 'RTE_LIBRTE_@0@_COMMON'
driver_name_fmt = 'rte_common_@0@'
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index 9661cdf..946d3e9 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -94,6 +94,10 @@ ifeq ($(CONFIG_RTE_EXEC_ENV_LINUXAPP),y)
_LDLIBS-$(CONFIG_RTE_LIBRTE_KNI) += -lrte_kni
endif
+ifeq ($(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_CRYPTO),y)
+_LDLIBS-y += -lrte_common_cpt
+endif
+
ifeq ($(CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF)$(CONFIG_RTE_LIBRTE_OCTEONTX_MEMPOOL),yy)
_LDLIBS-y += -lrte_common_octeontx
endif
--
2.7.4