-/*-
- * BSD LICENSE
- *
- * Copyright (c) 2015-2017 Atomic Rules LLC
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of copyright holder nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2015-2018 Atomic Rules LLC
*/
#ifndef _ARK_DDM_H_
* there is minimal documentation.
*/
-/* struct defining Tx meta data -- fixed in FPGA -- 16 bytes */
-struct ark_tx_meta {
+/* struct defining Tx meta data -- fixed in FPGA -- 8 bytes */
+union ark_tx_meta {
uint64_t physaddr;
- uint32_t delta_ns;
- uint16_t data_len; /* of this MBUF */
+ struct {
+ uint32_t usermeta0;
+ uint32_t usermeta1;
+ };
+ struct {
+ uint16_t data_len; /* of this MBUF */
#define ARK_DDM_EOP 0x01
#define ARK_DDM_SOP 0x02
- uint8_t flags; /* bit 0 indicates last mbuf in chain. */
- uint8_t reserved[1];
-};
-
+ uint8_t flags;
+ uint8_t meta_cnt;
+ uint32_t user1;
+ };
+} __rte_packed;
/*
* DDM core hardware structures
* structs will never be instantiated in ram memory
*/
#define ARK_DDM_CFG 0x0000
-#define ARK_DDM_CONST 0xfacecafe
+/* Set unique HW ID for hardware version */
+#define ARK_DDM_MODID 0x204d4444
+#define ARK_DDM_MODVER 0x37313232
+
struct ark_ddm_cfg_t {
+ union {
+ char id[4];
+ uint32_t idnum;
+ };
+ union {
+ char ver[4];
+ uint32_t vernum;
+ volatile uint32_t tlp_stats_clear;
+ };
uint32_t r0;
- volatile uint32_t tlp_stats_clear;
- uint32_t const0;
volatile uint32_t tag_max;
volatile uint32_t command;
- volatile uint32_t stop_flushed;
+ uint32_t write_index_interval; /* 4ns each */
+ volatile uint64_t qflow;
};
#define ARK_DDM_STATS 0x0020
volatile uint64_t tx_mbuf_count;
};
-#define ARK_DDM_MRDQ 0x0040
-struct ark_ddm_mrdq_t {
- volatile uint32_t mrd_q1;
- volatile uint32_t mrd_q2;
- volatile uint32_t mrd_q3;
- volatile uint32_t mrd_q4;
- volatile uint32_t mrd_full;
-};
-
-#define ARK_DDM_CPLDQ 0x0068
-struct ark_ddm_cpldq_t {
- volatile uint32_t cpld_q1;
- volatile uint32_t cpld_q2;
- volatile uint32_t cpld_q3;
- volatile uint32_t cpld_q4;
- volatile uint32_t cpld_full;
-};
-
-#define ARK_DDM_MRD_PS 0x0090
-struct ark_ddm_mrd_ps_t {
- volatile uint32_t mrd_ps_min;
- volatile uint32_t mrd_ps_max;
- volatile uint32_t mrd_full_ps_min;
- volatile uint32_t mrd_full_ps_max;
- volatile uint32_t mrd_dw_ps_min;
- volatile uint32_t mrd_dw_ps_max;
-};
-
#define ARK_DDM_QUEUE_STATS 0x00a8
struct ark_ddm_qstats_t {
volatile uint64_t byte_count;
volatile uint64_t mbuf_count;
};
-#define ARK_DDM_CPLD_PS 0x00c0
-struct ark_ddm_cpld_ps_t {
- volatile uint32_t cpld_ps_min;
- volatile uint32_t cpld_ps_max;
- volatile uint32_t cpld_full_ps_min;
- volatile uint32_t cpld_full_ps_max;
- volatile uint32_t cpld_dw_ps_min;
- volatile uint32_t cpld_dw_ps_max;
-};
-
#define ARK_DDM_SETUP 0x00e0
struct ark_ddm_setup_t {
- phys_addr_t cons_write_index_addr;
- uint32_t write_index_interval; /* 4ns each */
+ rte_iova_t cons_write_index_addr;
+ volatile uint32_t qcommand;
volatile uint32_t cons_index;
};
struct ark_ddm_cfg_t cfg;
uint8_t reserved0[(ARK_DDM_STATS - ARK_DDM_CFG) -
sizeof(struct ark_ddm_cfg_t)];
+
struct ark_ddm_stats_t stats;
- uint8_t reserved1[(ARK_DDM_MRDQ - ARK_DDM_STATS) -
+ uint8_t reserved1[(ARK_DDM_QUEUE_STATS - ARK_DDM_STATS) -
sizeof(struct ark_ddm_stats_t)];
- struct ark_ddm_mrdq_t mrdq;
- uint8_t reserved2[(ARK_DDM_CPLDQ - ARK_DDM_MRDQ) -
- sizeof(struct ark_ddm_mrdq_t)];
- struct ark_ddm_cpldq_t cpldq;
- uint8_t reserved3[(ARK_DDM_MRD_PS - ARK_DDM_CPLDQ) -
- sizeof(struct ark_ddm_cpldq_t)];
- struct ark_ddm_mrd_ps_t mrd_ps;
+
struct ark_ddm_qstats_t queue_stats;
- struct ark_ddm_cpld_ps_t cpld_ps;
- uint8_t reserved5[(ARK_DDM_SETUP - ARK_DDM_CPLD_PS) -
- sizeof(struct ark_ddm_cpld_ps_t)];
+ uint8_t reserved5[(ARK_DDM_SETUP - ARK_DDM_QUEUE_STATS) -
+ sizeof(struct ark_ddm_qstats_t)];
+
struct ark_ddm_setup_t setup;
uint8_t reserved_p[(ARK_DDM_EXPECTED_SIZE - ARK_DDM_SETUP) -
sizeof(struct ark_ddm_setup_t)];
};
-
/* DDM function prototype */
int ark_ddm_verify(struct ark_ddm_t *ddm);
-void ark_ddm_start(struct ark_ddm_t *ddm);
-int ark_ddm_stop(struct ark_ddm_t *ddm, const int wait);
-void ark_ddm_reset(struct ark_ddm_t *ddm);
void ark_ddm_stats_reset(struct ark_ddm_t *ddm);
-void ark_ddm_setup(struct ark_ddm_t *ddm, phys_addr_t cons_addr,
- uint32_t interval);
+void ark_ddm_queue_setup(struct ark_ddm_t *ddm, rte_iova_t cons_addr);
void ark_ddm_dump_stats(struct ark_ddm_t *ddm, const char *msg);
-void ark_ddm_dump(struct ark_ddm_t *ddm, const char *msg);
-int ark_ddm_is_stopped(struct ark_ddm_t *ddm);
uint64_t ark_ddm_queue_byte_count(struct ark_ddm_t *ddm);
uint64_t ark_ddm_queue_pkt_count(struct ark_ddm_t *ddm);
void ark_ddm_queue_reset_stats(struct ark_ddm_t *ddm);
+void ark_ddm_queue_enable(struct ark_ddm_t *ddm, int enable);
#endif
git.droids-corp.org / dpdk.git / blobdiff