* [PATCH v2 1/4] zsda: Introduce zsda device drivers
@ 2024-08-15 2:54 Hanxiao Li
2024-08-15 2:54 ` [PATCH v2 2/4] zsda: add support for zsdadev operations Hanxiao Li
` (2 more replies)
0 siblings, 3 replies; 5+ messages in thread
From: Hanxiao Li @ 2024-08-15 2:54 UTC (permalink / raw)
To: dev; +Cc: Hanxiao Li
[-- Attachment #1.1.1: Type: text/plain, Size: 18755 bytes --]
Introduce driver support for ZSDA which can
help to accelerate storage data process.
Signed-off-by: Hanxiao Li <li.hanxiao@zte.com.cn>
---
MAINTAINERS | 4 +
config/rte_config.h | 4 +
drivers/common/zsda/zsda_common.c | 168 +++++++++++++++
drivers/common/zsda/zsda_common.h | 328 ++++++++++++++++++++++++++++++
drivers/common/zsda/zsda_logs.c | 21 ++
drivers/common/zsda/zsda_logs.h | 32 +++
usertools/dpdk-devbind.py | 5 +-
7 files changed, 561 insertions(+), 1 deletion(-)
create mode 100644 drivers/common/zsda/zsda_common.c
create mode 100644 drivers/common/zsda/zsda_common.h
create mode 100644 drivers/common/zsda/zsda_logs.c
create mode 100644 drivers/common/zsda/zsda_logs.h
diff --git a/MAINTAINERS b/MAINTAINERS
index c5a703b5c0..ea245fc61b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1268,6 +1268,10 @@ F: drivers/compress/zlib/
F: doc/guides/compressdevs/zlib.rst
F: doc/guides/compressdevs/features/zlib.ini
+ZTE Storage Data Accelerator
+M: Hanxiao Li <li.hanxiao@zte.com.cn>
+F: drivers/compress/zsda/
+F: drivers/common/zsda/
DMAdev Drivers
--------------
diff --git a/config/rte_config.h b/config/rte_config.h
index dd7bb0d35b..acfbe5b0f7 100644
--- a/config/rte_config.h
+++ b/config/rte_config.h
@@ -108,6 +108,10 @@
/****** driver defines ********/
+/* ZSDA device */
+/* Max. number of ZSDA devices which can be attached */
+#define RTE_PMD_ZSDA_MAX_PCI_DEVICES 256
+
/* Packet prefetching in PMDs */
#define RTE_PMD_PACKET_PREFETCH 1
diff --git a/drivers/common/zsda/zsda_common.c b/drivers/common/zsda/zsda_common.c
new file mode 100644
index 0000000000..fa6b4411a5
--- /dev/null
+++ b/drivers/common/zsda/zsda_common.c
@@ -0,0 +1,168 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#include "zsda_common.h"
+
+#include "bus_pci_driver.h"
+
+#define MAGIC_SEND 0xab
+#define MAGIC_RECV 0xcd
+#define ADMIN_VER 1
+
+static const uint8_t crc8_table[256] = {
+ 0x00, 0x41, 0x13, 0x52, 0x26, 0x67, 0x35, 0x74, 0x4c, 0x0d, 0x5f, 0x1e,
+ 0x6a, 0x2b, 0x79, 0x38, 0x09, 0x48, 0x1a, 0x5b, 0x2f, 0x6e, 0x3c, 0x7d,
+ 0x45, 0x04, 0x56, 0x17, 0x63, 0x22, 0x70, 0x31, 0x12, 0x53, 0x01, 0x40,
+ 0x34, 0x75, 0x27, 0x66, 0x5e, 0x1f, 0x4d, 0x0c, 0x78, 0x39, 0x6b, 0x2a,
+ 0x1b, 0x5a, 0x08, 0x49, 0x3d, 0x7c, 0x2e, 0x6f, 0x57, 0x16, 0x44, 0x05,
+ 0x71, 0x30, 0x62, 0x23, 0x24, 0x65, 0x37, 0x76, 0x02, 0x43, 0x11, 0x50,
+ 0x68, 0x29, 0x7b, 0x3a, 0x4e, 0x0f, 0x5d, 0x1c, 0x2d, 0x6c, 0x3e, 0x7f,
+ 0x0b, 0x4a, 0x18, 0x59, 0x61, 0x20, 0x72, 0x33, 0x47, 0x06, 0x54, 0x15,
+ 0x36, 0x77, 0x25, 0x64, 0x10, 0x51, 0x03, 0x42, 0x7a, 0x3b, 0x69, 0x28,
+ 0x5c, 0x1d, 0x4f, 0x0e, 0x3f, 0x7e, 0x2c, 0x6d, 0x19, 0x58, 0x0a, 0x4b,
+ 0x73, 0x32, 0x60, 0x21, 0x55, 0x14, 0x46, 0x07, 0x48, 0x09, 0x5b, 0x1a,
+ 0x6e, 0x2f, 0x7d, 0x3c, 0x04, 0x45, 0x17, 0x56, 0x22, 0x63, 0x31, 0x70,
+ 0x41, 0x00, 0x52, 0x13, 0x67, 0x26, 0x74, 0x35, 0x0d, 0x4c, 0x1e, 0x5f,
+ 0x2b, 0x6a, 0x38, 0x79, 0x5a, 0x1b, 0x49, 0x08, 0x7c, 0x3d, 0x6f, 0x2e,
+ 0x16, 0x57, 0x05, 0x44, 0x30, 0x71, 0x23, 0x62, 0x53, 0x12, 0x40, 0x01,
+ 0x75, 0x34, 0x66, 0x27, 0x1f, 0x5e, 0x0c, 0x4d, 0x39, 0x78, 0x2a, 0x6b,
+ 0x6c, 0x2d, 0x7f, 0x3e, 0x4a, 0x0b, 0x59, 0x18, 0x20, 0x61, 0x33, 0x72,
+ 0x06, 0x47, 0x15, 0x54, 0x65, 0x24, 0x76, 0x37, 0x43, 0x02, 0x50, 0x11,
+ 0x29, 0x68, 0x3a, 0x7b, 0x0f, 0x4e, 0x1c, 0x5d, 0x7e, 0x3f, 0x6d, 0x2c,
+ 0x58, 0x19, 0x4b, 0x0a, 0x32, 0x73, 0x21, 0x60, 0x14, 0x55, 0x07, 0x46,
+ 0x77, 0x36, 0x64, 0x25, 0x51, 0x10, 0x42, 0x03, 0x3b, 0x7a, 0x28, 0x69,
+ 0x1d, 0x5c, 0x0e, 0x4f};
+
+static uint8_t
+zsda_crc8(const uint8_t *message, const int length)
+{
+ uint8_t crc = 0;
+ int i;
+
+ for (i = 0; i < length; i++)
+ crc = crc8_table[crc ^ message[i]];
+ return crc;
+}
+
+uint32_t
+set_reg_8(void *addr, const uint8_t val0, const uint8_t val1,
+ const uint8_t val2, const uint8_t val3)
+{
+ uint8_t val[4];
+ val[0] = val0;
+ val[1] = val1;
+ val[2] = val2;
+ val[3] = val3;
+ ZSDA_CSR_WRITE32(addr, *(uint32_t *)val);
+ return *(uint32_t *)val;
+}
+
+uint8_t
+get_reg_8(void *addr, const int offset)
+{
+ uint32_t val = ZSDA_CSR_READ32(addr);
+
+ return *(((uint8_t *)&val) + offset);
+}
+
+int
+zsda_admin_msg_init(const struct rte_pci_device *pci_dev)
+{
+ uint8_t *mmio_base = pci_dev->mem_resource[0].addr;
+
+ set_reg_8(mmio_base + ZSDA_ADMIN_WQ_BASE7, 0, 0, MAGIC_RECV, 0);
+ set_reg_8(mmio_base + ZSDA_ADMIN_CQ_BASE7, 0, 0, MAGIC_RECV, 0);
+ return 0;
+}
+
+int
+zsda_send_admin_msg(const struct rte_pci_device *pci_dev, void *req,
+ const uint32_t len)
+{
+ uint8_t *mmio_base = pci_dev->mem_resource[0].addr;
+ uint8_t wq_flag;
+ uint8_t crc;
+ uint16_t admin_db;
+ uint32_t retry = ZSDA_TIME_NUM;
+ int i;
+ uint16_t db;
+ int repeat = sizeof(struct zsda_admin_req) / sizeof(uint32_t);
+
+ if (len > ADMIN_BUF_DATA_LEN)
+ return -EINVAL;
+
+ for (i = 0; i < repeat; i++) {
+ ZSDA_CSR_WRITE32(((uint32_t *)(mmio_base + ZSDA_ADMIN_WQ) + i),
+ *((uint32_t *)req + i));
+ }
+
+ crc = zsda_crc8((uint8_t *)req, ADMIN_BUF_DATA_LEN);
+ set_reg_8(mmio_base + ZSDA_ADMIN_WQ_BASE7, crc, ADMIN_VER, MAGIC_SEND, 0);
+ rte_delay_us_sleep(ZSDA_TIME_SLEEP_US);
+ rte_wmb();
+
+ admin_db = ZSDA_CSR_READ32(mmio_base + ZSDA_ADMIN_WQ_TAIL);
+ db = zsda_modulo_32(admin_db, 0x1ff);
+ ZSDA_CSR_WRITE32(mmio_base + ZSDA_ADMIN_WQ_TAIL, db);
+
+ do {
+ rte_delay_us_sleep(ZSDA_TIME_SLEEP_US);
+ wq_flag = get_reg_8(mmio_base + ZSDA_ADMIN_WQ_BASE7, 2);
+ if (wq_flag == MAGIC_RECV)
+ break;
+
+ retry--;
+ if (!retry) {
+ ZSDA_LOG(ERR, "wq_flag 0x%X\n", wq_flag);
+ set_reg_8(mmio_base + ZSDA_ADMIN_WQ_BASE7, 0, crc,
+ ADMIN_VER, 0);
+ return -EIO;
+ }
+ } while (1);
+
+ return ZSDA_SUCCESS;
+}
+
+int
+zsda_recv_admin_msg(const struct rte_pci_device *pci_dev, void *resp,
+ const uint32_t len)
+{
+ uint8_t *mmio_base = pci_dev->mem_resource[0].addr;
+ uint8_t cq_flag;
+ uint32_t retry = ZSDA_TIME_NUM;
+ uint8_t crc;
+ uint8_t buf[ADMIN_BUF_TOTAL_LEN] = {0};
+ uint32_t i;
+
+ if (len > ADMIN_BUF_DATA_LEN)
+ return -EINVAL;
+
+ do {
+ rte_delay_us_sleep(ZSDA_TIME_SLEEP_US);
+
+ cq_flag = get_reg_8(mmio_base + ZSDA_ADMIN_CQ_BASE7, 2);
+ if (cq_flag == MAGIC_SEND)
+ break;
+
+ retry--;
+ if (!retry)
+ return -EIO;
+ } while (1);
+
+ for (i = 0; i < len; i++)
+ buf[i] = ZSDA_CSR_READ8(
+ (uint8_t *)(mmio_base + ZSDA_ADMIN_CQ + i));
+
+ crc = ZSDA_CSR_READ8(mmio_base + ZSDA_ADMIN_CQ_CRC);
+ rte_rmb();
+ ZSDA_CSR_WRITE8(mmio_base + ZSDA_ADMIN_CQ_FLAG, MAGIC_RECV);
+ if (crc != zsda_crc8(buf, ADMIN_BUF_DATA_LEN)) {
+ ZSDA_LOG(ERR, "[%d] Failed! crc error!", __LINE__);
+ return -EIO;
+ }
+
+ memcpy(resp, buf, len);
+
+ return ZSDA_SUCCESS;
+}
diff --git a/drivers/common/zsda/zsda_common.h b/drivers/common/zsda/zsda_common.h
new file mode 100644
index 0000000000..d79f0ec7c5
--- /dev/null
+++ b/drivers/common/zsda/zsda_common.h
@@ -0,0 +1,328 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#ifndef _ZSDA_COMMON_H_
+#define _ZSDA_COMMON_H_
+
+#include <stdint.h>
+
+#include <rte_bus_pci.h>
+#include <rte_mbuf.h>
+#include <rte_io.h>
+
+#include "zsda_logs.h"
+
+#define ZSDA_DEV_NAME_MAX_LEN 64
+#define MAX_QPS_ON_FUNCTION 128
+
+#define ADMIN_WQ_BASE_ADDR_0 0x40
+#define ADMIN_WQ_BASE_ADDR_1 0x44
+#define ADMIN_WQ_BASE_ADDR_2 0x48
+#define ADMIN_WQ_BASE_ADDR_3 0x4C
+#define ADMIN_WQ_BASE_ADDR_4 0x50
+#define ADMIN_WQ_BASE_ADDR_5 0x54
+#define ADMIN_WQ_BASE_ADDR_6 0x58
+#define ADMIN_WQ_BASE_ADDR_7 0x5C
+
+#define ADMIN_CQ_BASE_ADDR_0 0x60
+#define ADMIN_CQ_BASE_ADDR_1 0x64
+#define ADMIN_CQ_BASE_ADDR_2 0x68
+#define ADMIN_CQ_BASE_ADDR_3 0x6C
+#define ADMIN_CQ_BASE_ADDR_4 0x70
+#define ADMIN_CQ_BASE_ADDR_5 0x74
+#define ADMIN_CQ_BASE_ADDR_6 0x78
+#define ADMIN_CQ_BASE_ADDR_7 0x7C
+
+#define IO_DB_INITIAL_CONFIG 0x1C00
+
+#define ADMIN_BUF_DATA_LEN 0x1C
+#define ADMIN_BUF_TOTAL_LEN 0x20
+
+#define ZSDA_CSR_VERSION 0x0
+#define ZSDA_ADMIN_WQ 0x40
+#define ZSDA_ADMIN_WQ_BASE7 0x5C
+#define ZSDA_ADMIN_WQ_CRC 0x5C
+#define ZSDA_ADMIN_WQ_VERSION 0x5D
+#define ZSDA_ADMIN_WQ_FLAG 0x5E
+#define ZSDA_ADMIN_CQ 0x60
+#define ZSDA_ADMIN_CQ_BASE7 0x7C
+#define ZSDA_ADMIN_CQ_CRC 0x7C
+#define ZSDA_ADMIN_CQ_VERSION 0x7D
+#define ZSDA_ADMIN_CQ_FLAG 0x7E
+
+#define ZSDA_ADMIN_WQ_TAIL 0x80
+#define ZSDA_ADMIN_CQ_HEAD 0x84
+
+#define ZSDA_ADMIN_Q_START 0x100
+#define ZSDA_ADMIN_Q_STOP 0x100
+#define ZSDA_ADMIN_Q_STOP_RESP 0x104
+#define ZSDA_ADMIN_Q_CLR 0x108
+#define ZSDA_ADMIN_Q_CLR_RESP 0x10C
+
+#define ZSDA_IO_Q_START 0x200
+#define ZSDA_IO_Q_STOP 0x200
+#define ZSDA_IO_Q_STOP_RESP 0x400
+#define ZSDA_IO_Q_CLR 0x600
+#define ZSDA_IO_Q_CLR_RESP 0x800
+
+#define ZSDA_CSR_READ32(addr) rte_read32((addr))
+#define ZSDA_CSR_WRITE32(addr, value) rte_write32((value), (addr))
+#define ZSDA_CSR_READ16(addr) rte_read16((addr))
+#define ZSDA_CSR_WRITE16(addr, value) rte_write16((value), (addr))
+#define ZSDA_CSR_READ8(addr) rte_read8((addr))
+#define ZSDA_CSR_WRITE8(addr, value) rte_write8_relaxed((value), (addr))
+
+#define ZSDA_PCI_NAME zsda
+#define ZSDA_SGL_MAX_NUMBER 512
+#define ZSDA_SGL_FRAGMENT_SIZE 32
+#define NB_DES 512
+
+#define ZSDA_SUCCESS EXIT_SUCCESS
+#define ZSDA_FAILED (-1)
+
+#define E_NULL "Failed! Addr is NULL"
+#define E_CREATE "Failed! Create"
+#define E_FUNC "Failed! Function"
+#define E_START_Q "Failed! START q"
+#define E_MALLOC "Failed! malloc"
+#define E_FREE "Failed! free"
+
+#define E_COMPARE "Failed! compare"
+#define E_START "Failed! start/setup"
+#define E_CLOSE "Failed! stop/close"
+#define E_CONFIG "Failed! config"
+#define E_RESULT "Failed! result wrong"
+
+enum zsda_service_type {
+ ZSDA_SERVICE_COMPRESSION = 0,
+ ZSDA_SERVICE_DECOMPRESSION,
+ ZSDA_SERVICE_INVALID,
+};
+
+#define ZSDA_MAX_SERVICES (ZSDA_SERVICE_INVALID)
+
+#define ZSDA_OPC_COMP_GZIP 0x10 /* Encomp deflate-Gzip */
+#define ZSDA_OPC_COMP_ZLIB 0x11 /* Encomp deflate-Zlib */
+#define ZSDA_OPC_DECOMP_GZIP 0x18 /* Decompinfalte-Gzip */
+#define ZSDA_OPC_DECOMP_ZLIB 0x19 /* Decompinfalte-Zlib */
+#define ZSDA_OPC_INVALID 0xff
+
+#define SET_CYCLE 0xff
+#define SET_HEAD_INTI 0x0
+
+#define ZSDA_Q_START 0x1
+#define ZSDA_Q_STOP 0x0
+#define ZSDA_CLEAR_VALID 0x1
+#define ZSDA_CLEAR_INVALID 0x0
+#define ZSDA_RESP_VALID 0x1
+#define ZSDA_RESP_INVALID 0x0
+
+#define ZSDA_TIME_SLEEP_US 100
+#define ZSDA_TIME_NUM 500
+
+#define ZSDA_MAX_DESC 512
+#define ZSDA_MAX_CYCLE 256
+#define ZSDA_MAX_DEV 256
+#define MAX_NUM_OPS 0x1FF
+
+struct zsda_pci_device;
+
+enum sgl_elment_type_wqe {
+ SGL_ELM_TYPE_PHYS_ADDR = 1,
+ SGL_ELM_TYPE_LIST,
+ SGL_ELM_TYPE_LIST_ADDR,
+ SGL_ELM_TYPE_LIST_SGL32,
+};
+
+enum sgl_elment_type {
+ SGL_TYPE_PHYS_ADDR = 0,
+ SGL_TYPE_LAST_PHYS_ADDR,
+ SGL_TYPE_NEXT_LIST,
+ SGL_TYPE_EC_LEVEL1_SGL32,
+};
+
+enum zsda_admin_msg_id {
+ /* Version information */
+ ZSDA_ADMIN_VERSION_REQ = 0,
+ ZSDA_ADMIN_VERSION_RESP,
+ /* algo type */
+ ZSDA_ADMIN_QUEUE_CFG_REQ,
+ ZSDA_ADMIN_QUEUE_CFG_RESP,
+ /* get cycle */
+ ZSDA_ADMIN_QUEUE_CYCLE_REQ,
+ ZSDA_ADMIN_QUEUE_CYCLE_RESP,
+ /* set cyclr */
+ ZSDA_ADMIN_SET_CYCLE_REQ,
+ ZSDA_ADMIN_SET_CYCLE_RESP,
+
+ ZSDA_MIG_STATE_WARNING,
+ ZSDA_ADMIN_RESERVE,
+ /* set close flr register */
+ ZSDA_FLR_SET_FUNCTION,
+ ZSDA_ADMIN_MSG_VALID,
+ ZSDA_ADMIN_INT_TEST
+};
+
+struct zsda_admin_req {
+ uint16_t msg_type;
+ uint8_t data[26];
+};
+
+struct zsda_admin_resp {
+ uint16_t msg_type;
+ uint8_t data[26];
+};
+
+struct zsda_test_msg {
+ uint32_t msg_type;
+ uint32_t data_in;
+ uint8_t data[20];
+};
+
+struct zsda_admin_req_qcfg {
+ uint16_t msg_type;
+ uint8_t qid;
+ uint8_t data[25];
+};
+
+#pragma pack(1)
+struct qinfo {
+ uint16_t q_type;
+ uint16_t wq_tail;
+ uint16_t wq_head;
+ uint16_t cq_tail;
+ uint16_t cq_head;
+ uint16_t cycle;
+};
+
+struct zsda_admin_resp_qcfg {
+ uint16_t msg_type;
+ struct qinfo qcfg;
+ uint8_t data[14];
+};
+#pragma pack()
+
+enum flr_clr_mask {
+ unmask = 0,
+ mask,
+};
+
+/**< Common struct for scatter-gather list operations */
+struct zsda_buf {
+ uint64_t addr;
+ uint32_t len;
+ uint8_t resrvd[3];
+ uint8_t type;
+} __rte_packed;
+
+struct __rte_cache_aligned zsda_sgl {
+ struct zsda_buf buffers[ZSDA_SGL_MAX_NUMBER];
+};
+
+/* The space length. The space is used for compression header and tail */
+#define COMP_REMOVE_SPACE_LEN 16
+
+struct zsda_op_cookie {
+ bool used;
+ bool decomp_no_tail;
+ void *op;
+ uint16_t sid;
+ struct zsda_sgl sgl_src;
+ struct zsda_sgl sgl_dst;
+ phys_addr_t sgl_src_phys_addr;
+ phys_addr_t sgl_dst_phys_addr;
+ phys_addr_t comp_head_phys_addr;
+
+ uint8_t comp_head[COMP_REMOVE_SPACE_LEN];
+} __rte_packed;
+
+struct compress_cfg {
+} __rte_packed;
+
+struct zsda_wqe_comp {
+ uint8_t valid;
+ uint8_t op_code;
+ uint16_t sid;
+ uint8_t resv[3];
+ uint8_t rx_sgl_type : 4;
+ uint8_t tx_sgl_type : 4;
+ uint64_t rx_addr;
+ uint32_t rx_length;
+ uint64_t tx_addr;
+ uint32_t tx_length;
+ struct compress_cfg cfg;
+} __rte_packed;
+
+struct zsda_cqe {
+ uint8_t valid; /* cqe_cycle */
+ uint8_t op_code;
+ uint16_t sid;
+ uint8_t state;
+ uint8_t result;
+ uint16_t zsda_wq_id;
+ uint32_t tx_real_length;
+ uint16_t err0;
+ uint16_t err1;
+} __rte_packed;
+
+struct zsda_common_stat {
+ /**< Count of all operations enqueued */
+ uint64_t enqueued_count;
+ /**< Count of all operations dequeued */
+ uint64_t dequeued_count;
+
+ /**< Total error count on operations enqueued */
+ uint64_t enqueue_err_count;
+ /**< Total error count on operations dequeued */
+ uint64_t dequeue_err_count;
+};
+
+enum zsda_algo_core {
+ ZSDA_CORE_COMP,
+ ZSDA_CORE_DECOMP,
+ ZSDA_CORE_INVALID,
+};
+
+static inline uint32_t
+zsda_modulo_32(uint32_t data, uint32_t modulo_mask)
+{
+ return (data) & (modulo_mask);
+}
+static inline uint16_t
+zsda_modulo_16(uint16_t data, uint16_t modulo_mask)
+{
+ return (data) & (modulo_mask);
+}
+static inline uint8_t
+zsda_modulo_8(uint8_t data, uint8_t modulo_mask)
+{
+ return (data) & (modulo_mask);
+}
+
+#define CQE_VALID(value) (value & 0x8000)
+#define CQE_ERR0(value) (value & 0xffff)
+#define CQE_ERR1(value) (value & 0x7fff)
+
+/* For situations where err0 are reported but the results are correct */
+#define DECOMP_RIGHT_ERR0_0 0xc710
+#define DECOMP_RIGHT_ERR0_1 0xc727
+#define DECOMP_RIGHT_ERR0_2 0xc729
+#define CQE_ERR0_RIGHT(value) \
+ (value == DECOMP_RIGHT_ERR0_0 || value == DECOMP_RIGHT_ERR0_1 || \
+ value == DECOMP_RIGHT_ERR0_2)
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+uint32_t set_reg_8(void *addr, const uint8_t val0, const uint8_t val1,
+ const uint8_t val2, const uint8_t val3);
+uint8_t get_reg_8(void *addr, const int offset);
+
+int zsda_admin_msg_init(const struct rte_pci_device *pci_dev);
+int zsda_send_admin_msg(const struct rte_pci_device *pci_dev, void *req,
+ const uint32_t len);
+
+int zsda_recv_admin_msg(const struct rte_pci_device *pci_dev, void *resp,
+ const uint32_t len);
+
+#endif /* _ZSDA_COMMON_H_ */
diff --git a/drivers/common/zsda/zsda_logs.c b/drivers/common/zsda/zsda_logs.c
new file mode 100644
index 0000000000..b8d502a7f0
--- /dev/null
+++ b/drivers/common/zsda/zsda_logs.c
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#include <rte_log.h>
+#include <rte_hexdump.h>
+
+#include "zsda_logs.h"
+
+int
+zsda_hexdump_log(uint32_t level, uint32_t logtype, const char *title,
+ const void *buf, unsigned int len)
+{
+ if (rte_log_can_log(logtype, level))
+ rte_hexdump(rte_log_get_stream(), title, buf, len);
+
+ return 0;
+}
+
+RTE_LOG_REGISTER_DEFAULT(zsda_gen_logtype, NOTICE);
+RTE_LOG_REGISTER_DEFAULT(zsda_dp_logtype, NOTICE);
diff --git a/drivers/common/zsda/zsda_logs.h b/drivers/common/zsda/zsda_logs.h
new file mode 100644
index 0000000000..f6b27e2f2d
--- /dev/null
+++ b/drivers/common/zsda/zsda_logs.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#ifndef _ZSDA_LOGS_H_
+#define _ZSDA_LOGS_H_
+
+extern int zsda_gen_logtype;
+extern int zsda_dp_logtype;
+
+#define ZSDA_LOG(level, fmt, args...) \
+ rte_log(RTE_LOG_##level, (zsda_gen_logtype & 0xff), \
+ "%s(): [%d] " fmt "\n", __func__, __LINE__, ##args)
+
+#define ZSDA_DP_LOG(level, fmt, args...) \
+ rte_log(RTE_LOG_##level, zsda_dp_logtype, "%s(): " fmt "\n", __func__, \
+ ##args)
+
+#define ZSDA_DP_HEXDUMP_LOG(level, title, buf, len) \
+ zsda_hexdump_log(RTE_LOG_##level, zsda_dp_logtype, title, buf, len)
+
+/**
+ * zsda_hexdump_log - Dump out memory in a special hex dump format.
+ *
+ * Dump out the message buffer in a special hex dump output format with
+ * characters printed for each line of 16 hex values. The message will be sent
+ * to the stream used by the rte_log infrastructure.
+ */
+int zsda_hexdump_log(uint32_t level, uint32_t logtype, const char *title,
+ const void *buf, unsigned int len);
+
+#endif /* _ZSDA_LOGS_H_ */
diff --git a/usertools/dpdk-devbind.py b/usertools/dpdk-devbind.py
index b276e8efc8..9b8b015fbb 100755
--- a/usertools/dpdk-devbind.py
+++ b/usertools/dpdk-devbind.py
@@ -80,6 +80,9 @@
cnxk_ml = {'Class': '08', 'Vendor': '177d', 'Device': 'a092',
'SVendor': None, 'SDevice': None}
+zte_zsda = {'Class': '12', 'Vendor': '1cf2', 'Device': '8050,8051',
+ 'SVendor': None, 'SDevice': None}
+
network_devices = [network_class, cavium_pkx, avp_vnic, ifpga_class]
baseband_devices = [acceleration_class]
crypto_devices = [encryption_class, intel_processor_class]
@@ -93,7 +96,7 @@
ml_devices = [cnxk_ml]
misc_devices = [cnxk_bphy, cnxk_bphy_cgx, cnxk_inl_dev,
intel_ntb_skx, intel_ntb_icx,
- virtio_blk]
+ virtio_blk, zte_zsda]
# global dict ethernet devices present. Dictionary indexed by PCI address.
# Each device within this is itself a dictionary of device properties
--
2.27.0
[-- Attachment #1.1.2: Type: text/html , Size: 38124 bytes --]
^ permalink raw reply [flat|nested] 5+ messages in thread* [PATCH v2 2/4] zsda: add support for zsdadev operations
2024-08-15 2:54 [PATCH v2 1/4] zsda: Introduce zsda device drivers Hanxiao Li
@ 2024-08-15 2:54 ` Hanxiao Li
2024-08-15 2:54 ` [PATCH v2 3/4] zsda: add support for queue operation Hanxiao Li
2024-08-15 2:54 ` [PATCH v2 4/4] zsda: add zsda compressdev driver and interface Hanxiao Li
2 siblings, 0 replies; 5+ messages in thread
From: Hanxiao Li @ 2024-08-15 2:54 UTC (permalink / raw)
To: dev; +Cc: Hanxiao Li
[-- Attachment #1.1.1: Type: text/plain, Size: 15678 bytes --]
Add support for zsdadev operations such as dev_start and dev_stop.
Signed-off-by: Hanxiao Li <li.hanxiao@zte.com.cn>
---
drivers/common/zsda/zsda_device.c | 476 ++++++++++++++++++++++++++++++
drivers/common/zsda/zsda_device.h | 103 +++++++
2 files changed, 579 insertions(+)
create mode 100644 drivers/common/zsda/zsda_device.c
create mode 100644 drivers/common/zsda/zsda_device.h
diff --git a/drivers/common/zsda/zsda_device.c b/drivers/common/zsda/zsda_device.c
new file mode 100644
index 0000000000..74e6d30624
--- /dev/null
+++ b/drivers/common/zsda/zsda_device.c
@@ -0,0 +1,476 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+
+#include <errno.h>
+#include <stdint.h>
+
+#include "zsda_device.h"
+
+/* per-process array of device data */
+struct zsda_device_info zsda_devs[RTE_PMD_ZSDA_MAX_PCI_DEVICES];
+static int zsda_nb_pci_devices;
+uint8_t zsda_num_used_qps;
+
+/*
+ * The set of PCI devices this driver supports
+ */
+static const struct rte_pci_id pci_id_zsda_map[] = {
+ {
+ RTE_PCI_DEVICE(0x1cf2, 0x8050),
+ },
+ {
+ RTE_PCI_DEVICE(0x1cf2, 0x8051),
+ },
+ {.device_id = 0},
+};
+
+static int
+zsda_check_write(uint8_t *addr, const uint32_t dst_value)
+{
+ int times = ZSDA_TIME_NUM;
+ uint32_t val;
+
+ val = ZSDA_CSR_READ32(addr);
+
+ while ((val != dst_value) && times--) {
+ val = ZSDA_CSR_READ32(addr);
+ rte_delay_us_sleep(ZSDA_TIME_SLEEP_US);
+ }
+ if (val == dst_value)
+ return ZSDA_SUCCESS;
+ else
+ return ZSDA_FAILED;
+}
+
+static uint8_t
+zsda_get_num_used_qps(const struct rte_pci_device *pci_dev)
+{
+ uint8_t *mmio_base = pci_dev->mem_resource[0].addr;
+ uint8_t num_used_qps;
+
+ num_used_qps = ZSDA_CSR_READ8(mmio_base + 0);
+
+ return num_used_qps;
+}
+
+int
+zsda_admin_q_start(const struct rte_pci_device *pci_dev)
+{
+ uint8_t *mmio_base = pci_dev->mem_resource[0].addr;
+ int ret;
+
+ ZSDA_CSR_WRITE32(mmio_base + ZSDA_ADMIN_Q_START, 0);
+
+ ZSDA_CSR_WRITE32(mmio_base + ZSDA_ADMIN_Q_START, ZSDA_Q_START);
+ ret = zsda_check_write(mmio_base + ZSDA_ADMIN_Q_START, ZSDA_Q_START);
+
+ return ret;
+}
+
+int
+zsda_admin_q_stop(const struct rte_pci_device *pci_dev)
+{
+ uint8_t *mmio_base = pci_dev->mem_resource[0].addr;
+ int ret;
+
+ ZSDA_CSR_WRITE32(mmio_base + ZSDA_ADMIN_Q_STOP_RESP, ZSDA_RESP_INVALID);
+ ZSDA_CSR_WRITE32(mmio_base + ZSDA_ADMIN_Q_STOP, ZSDA_Q_STOP);
+
+ ret = zsda_check_write(mmio_base + ZSDA_ADMIN_Q_STOP_RESP,
+ ZSDA_RESP_VALID);
+
+ if (ret)
+ ZSDA_LOG(INFO, "Failed! zsda_admin q stop");
+
+ return ret;
+}
+
+int
+zsda_admin_q_clear(const struct rte_pci_device *pci_dev)
+{
+ uint8_t *mmio_base = pci_dev->mem_resource[0].addr;
+ int ret;
+
+ ZSDA_CSR_WRITE32(mmio_base + ZSDA_ADMIN_Q_CLR_RESP, ZSDA_RESP_INVALID);
+ ZSDA_CSR_WRITE32(mmio_base + ZSDA_ADMIN_Q_CLR, ZSDA_RESP_VALID);
+
+ ret = zsda_check_write(mmio_base + ZSDA_ADMIN_Q_CLR_RESP,
+ ZSDA_RESP_VALID);
+
+ if (ret)
+ ZSDA_LOG(INFO, "Failed! zsda_admin q clear");
+
+ return ret;
+}
+
+static int
+zsda_queue_stop_single(uint8_t *mmio_base, const uint8_t id)
+{
+ int ret;
+ uint8_t *addr_stop = mmio_base + ZSDA_IO_Q_STOP + (4 * id);
+ uint8_t *addr_resp = mmio_base + ZSDA_IO_Q_STOP_RESP + (4 * id);
+
+ ZSDA_CSR_WRITE32(addr_resp, ZSDA_RESP_INVALID);
+ ZSDA_CSR_WRITE32(addr_stop, ZSDA_Q_STOP);
+
+ ret = zsda_check_write(addr_resp, ZSDA_RESP_VALID);
+ ZSDA_CSR_WRITE32(addr_resp, ZSDA_RESP_INVALID);
+
+ return ret;
+}
+
+int
+zsda_queue_stop(const struct rte_pci_device *pci_dev)
+{
+ uint8_t *mmio_base = pci_dev->mem_resource[0].addr;
+ uint8_t id;
+ int ret = 0;
+
+ for (id = 0; id < zsda_num_used_qps; id++)
+ ret |= zsda_queue_stop_single(mmio_base, id);
+
+ return ret;
+}
+
+static int
+zsda_queue_start_single(uint8_t *mmio_base, const uint8_t id)
+{
+ uint8_t *addr_start = mmio_base + ZSDA_IO_Q_START + (4 * id);
+
+ ZSDA_CSR_WRITE32(addr_start, ZSDA_Q_START);
+ return zsda_check_write(addr_start, ZSDA_Q_START);
+}
+
+int
+zsda_queue_start(const struct rte_pci_device *pci_dev)
+{
+ uint8_t *mmio_base = pci_dev->mem_resource[0].addr;
+ uint8_t id;
+ int ret = 0;
+
+ for (id = 0; id < zsda_num_used_qps; id++)
+ ret |= zsda_queue_start_single(mmio_base, id);
+
+ return ret;
+}
+
+static int
+zsda_queue_clear_single(uint8_t *mmio_base, const uint8_t id)
+{
+ int ret;
+ uint8_t *addr_clear = mmio_base + ZSDA_IO_Q_CLR + (4 * id);
+ uint8_t *addr_resp = mmio_base + ZSDA_IO_Q_CLR_RESP + (4 * id);
+
+ ZSDA_CSR_WRITE32(addr_resp, ZSDA_RESP_INVALID);
+ ZSDA_CSR_WRITE32(addr_clear, ZSDA_CLEAR_VALID);
+ ret = zsda_check_write(addr_resp, ZSDA_RESP_VALID);
+ ZSDA_CSR_WRITE32(addr_clear, ZSDA_CLEAR_INVALID);
+
+ return ret;
+}
+
+int
+zsda_queue_clear(const struct rte_pci_device *pci_dev)
+{
+ uint8_t *mmio_base = pci_dev->mem_resource[0].addr;
+ uint8_t id;
+ int ret = 0;
+
+ for (id = 0; id < zsda_num_used_qps; id++)
+ ret |= zsda_queue_clear_single(mmio_base, id);
+
+ return ret;
+}
+
+static struct zsda_pci_device *
+zsda_pci_get_named_dev(const char *name)
+{
+ unsigned int i;
+
+ if (name == NULL) {
+ ZSDA_LOG(ERR, E_NULL);
+ return NULL;
+ }
+
+ for (i = 0; i < RTE_PMD_ZSDA_MAX_PCI_DEVICES; i++) {
+ if (zsda_devs[i].mz &&
+ (strcmp(((struct zsda_pci_device *)zsda_devs[i].mz->addr)
+ ->name,
+ name) == 0))
+ return (struct zsda_pci_device *)zsda_devs[i].mz->addr;
+ }
+
+ return NULL;
+}
+
+static uint8_t
+zsda_pci_find_free_device_index(void)
+{
+ uint32_t dev_id;
+
+ for (dev_id = 0; dev_id < RTE_PMD_ZSDA_MAX_PCI_DEVICES; dev_id++)
+ if (zsda_devs[dev_id].mz == NULL)
+ break;
+
+ return dev_id & (ZSDA_MAX_DEV - 1);
+}
+
+struct zsda_pci_device *
+zsda_get_zsda_dev_from_pci_dev(const struct rte_pci_device *pci_dev)
+{
+ char name[ZSDA_DEV_NAME_MAX_LEN];
+
+ rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
+
+ return zsda_pci_get_named_dev(name);
+}
+
+struct zsda_pci_device *
+zsda_pci_device_allocate(struct rte_pci_device *pci_dev)
+{
+ struct zsda_pci_device *zsda_pci_dev;
+ uint8_t zsda_dev_id;
+ char name[ZSDA_DEV_NAME_MAX_LEN];
+
+ rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
+ snprintf(name + strlen(name), (ZSDA_DEV_NAME_MAX_LEN - strlen(name)),
+ "_zsda");
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+ const struct rte_memzone *mz = rte_memzone_lookup(name);
+
+ if (mz == NULL) {
+ ZSDA_LOG(ERR, "Secondary can't find %s mz", name);
+ return NULL;
+ }
+ zsda_pci_dev = mz->addr;
+ zsda_devs[zsda_pci_dev->zsda_dev_id].mz = mz;
+ zsda_devs[zsda_pci_dev->zsda_dev_id].pci_dev = pci_dev;
+ zsda_nb_pci_devices++;
+ return zsda_pci_dev;
+ }
+
+ if (zsda_pci_get_named_dev(name) != NULL) {
+ ZSDA_LOG(ERR, E_CONFIG);
+ return NULL;
+ }
+
+ zsda_dev_id = zsda_pci_find_free_device_index();
+
+ if (zsda_dev_id == (RTE_PMD_ZSDA_MAX_PCI_DEVICES - 1)) {
+ ZSDA_LOG(ERR, "Reached maximum number of ZSDA devices");
+ return NULL;
+ }
+
+ unsigned int socket_id = rte_socket_id();
+
+ zsda_devs[zsda_dev_id].mz =
+ rte_memzone_reserve(name, sizeof(struct zsda_pci_device),
+ (int)(socket_id & 0xfff), 0);
+
+ if (zsda_devs[zsda_dev_id].mz == NULL) {
+ ZSDA_LOG(ERR, E_MALLOC);
+ return NULL;
+ }
+
+ zsda_pci_dev = zsda_devs[zsda_dev_id].mz->addr;
+ memset(zsda_pci_dev, 0, sizeof(*zsda_pci_dev));
+ strlcpy(zsda_pci_dev->name, name, ZSDA_DEV_NAME_MAX_LEN);
+ zsda_pci_dev->zsda_dev_id = zsda_dev_id;
+ zsda_pci_dev->pci_dev = pci_dev;
+ zsda_devs[zsda_dev_id].pci_dev = pci_dev;
+
+ rte_spinlock_init(&zsda_pci_dev->arb_csr_lock);
+ zsda_nb_pci_devices++;
+
+ return zsda_pci_dev;
+}
+
+static int
+zsda_pci_device_release(const struct rte_pci_device *pci_dev)
+{
+ struct zsda_pci_device *zsda_pci_dev;
+ struct zsda_device_info *inst;
+ char name[ZSDA_DEV_NAME_MAX_LEN];
+
+ if (pci_dev == NULL)
+ return -EINVAL;
+
+ rte_pci_device_name(&pci_dev->addr, name, sizeof(name));
+
+ snprintf(name + strlen(name),
+ ZSDA_DEV_NAME_MAX_LEN - (strlen(name) - 1), "_zsda");
+ zsda_pci_dev = zsda_pci_get_named_dev(name);
+ if (zsda_pci_dev != NULL) {
+ inst = &zsda_devs[zsda_pci_dev->zsda_dev_id];
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ if (zsda_pci_dev->comp_dev != NULL) {
+ ZSDA_LOG(DEBUG, "ZSDA device %s is busy", name);
+ return -EBUSY;
+ }
+ rte_memzone_free(inst->mz);
+ }
+ memset(inst, 0, sizeof(struct zsda_device_info));
+ zsda_nb_pci_devices--;
+ }
+ return 0;
+}
+
+static int
+zsda_pci_dev_destroy(struct zsda_pci_device *zsda_pci_dev,
+ const struct rte_pci_device *pci_dev)
+{
+ zsda_comp_dev_destroy(zsda_pci_dev);
+
+ return zsda_pci_device_release(pci_dev);
+}
+
+int
+zsda_get_queue_cfg_by_id(const struct zsda_pci_device *zsda_pci_dev,
+ const uint8_t qid, struct qinfo *qcfg)
+{
+ struct zsda_admin_req_qcfg req = {0};
+ struct zsda_admin_resp_qcfg resp = {0};
+ int ret;
+ struct rte_pci_device *pci_dev =
+ zsda_devs[zsda_pci_dev->zsda_dev_id].pci_dev;
+
+ if (qid >= MAX_QPS_ON_FUNCTION) {
+ ZSDA_LOG(ERR, "qid beyond limit!");
+ return ZSDA_FAILED;
+ }
+
+ zsda_admin_msg_init(pci_dev);
+ req.msg_type = ZSDA_ADMIN_QUEUE_CFG_REQ;
+ req.qid = qid;
+
+ ret = zsda_send_admin_msg(pci_dev, &req, sizeof(req));
+ if (ret) {
+ ZSDA_LOG(ERR, "Failed! Send msg");
+ return ret;
+ }
+
+ ret = zsda_recv_admin_msg(pci_dev, &resp, sizeof(resp));
+ if (ret) {
+ ZSDA_LOG(ERR, "Failed! Receive msg");
+ return ret;
+ }
+
+ memcpy(qcfg, &resp.qcfg, sizeof(*qcfg));
+
+ return ZSDA_SUCCESS;
+}
+
+static int
+zsda_unmask_flr(const struct zsda_pci_device *zsda_pci_dev)
+{
+ struct zsda_admin_req_qcfg req = {0};
+ struct zsda_admin_resp_qcfg resp = {0};
+
+ int ret = 0;
+ struct rte_pci_device *pci_dev =
+ zsda_devs[zsda_pci_dev->zsda_dev_id].pci_dev;
+
+ zsda_admin_msg_init(pci_dev);
+
+ req.msg_type = ZSDA_FLR_SET_FUNCTION;
+
+ ret = zsda_send_admin_msg(pci_dev, &req, sizeof(req));
+ if (ret) {
+ ZSDA_LOG(ERR, "Failed! Send msg");
+ return ret;
+ }
+
+ ret = zsda_recv_admin_msg(pci_dev, &resp, sizeof(resp));
+ if (ret) {
+ ZSDA_LOG(ERR, "Failed! Receive msg");
+ return ret;
+ }
+
+ return ZSDA_SUCCESS;
+}
+
+static int
+zsda_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+ struct rte_pci_device *pci_dev)
+{
+ int ret;
+ struct zsda_pci_device *zsda_pci_dev;
+
+ zsda_pci_dev = zsda_pci_device_allocate(pci_dev);
+ if (zsda_pci_dev == NULL) {
+ ZSDA_LOG(ERR, E_NULL);
+ return -ENODEV;
+ }
+
+ zsda_num_used_qps = zsda_get_num_used_qps(zsda_pci_dev->pci_dev);
+ zsda_num_used_qps++;
+
+ ret = zsda_admin_q_start(zsda_pci_dev->pci_dev);
+ if (ret) {
+ ZSDA_LOG(ERR, "Failed! admin q start");
+ return ret;
+ }
+
+ ret = zsda_queue_clear(zsda_pci_dev->pci_dev);
+ if (ret) {
+ ZSDA_LOG(ERR, "Failed! used zsda_io q clear");
+ return ret;
+ }
+
+ ret = zsda_unmask_flr(zsda_pci_dev);
+ if (ret) {
+ ZSDA_LOG(ERR, "Failed! flr close");
+ return ret;
+ }
+
+ ret = zsda_get_queue_cfg(zsda_pci_dev);
+ if (ret) {
+ ZSDA_LOG(ERR, "Failed! zsda_get_queue_cfg");
+ return ret;
+ }
+
+ ret |= zsda_comp_dev_create(zsda_pci_dev);
+
+ if (ret) {
+ ZSDA_LOG(ERR, "Failed! dev create");
+ zsda_pci_dev_destroy(zsda_pci_dev, pci_dev);
+ return ret;
+ }
+
+ return ret;
+}
+
+static int
+zsda_pci_remove(struct rte_pci_device *pci_dev)
+{
+ struct zsda_pci_device *zsda_pci_dev;
+
+ if (pci_dev == NULL)
+ return -EINVAL;
+
+ zsda_pci_dev = zsda_get_zsda_dev_from_pci_dev(pci_dev);
+ if (zsda_pci_dev == NULL)
+ return 0;
+
+ if (zsda_admin_q_clear(zsda_pci_dev->pci_dev) == ZSDA_FAILED)
+ ZSDA_LOG(ERR, "Failed! q clear");
+
+ if (zsda_admin_q_stop(zsda_pci_dev->pci_dev) == ZSDA_FAILED)
+ ZSDA_LOG(ERR, "Failed! q stop");
+
+ return zsda_pci_dev_destroy(zsda_pci_dev, pci_dev);
+}
+
+static struct rte_pci_driver rte_zsda_pmd = {
+ .id_table = pci_id_zsda_map,
+ .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
+ .probe = zsda_pci_probe,
+ .remove = zsda_pci_remove };
+
+RTE_PMD_REGISTER_PCI(ZSDA_PCI_NAME, rte_zsda_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(ZSDA_PCI_NAME, pci_id_zsda_map);
+RTE_PMD_REGISTER_KMOD_DEP(ZSDA_PCI_NAME,
+ "* igb_uio | uio_pci_generic | vfio-pci");
diff --git a/drivers/common/zsda/zsda_device.h b/drivers/common/zsda/zsda_device.h
new file mode 100644
index 0000000000..1b2ad0ce85
--- /dev/null
+++ b/drivers/common/zsda/zsda_device.h
@@ -0,0 +1,103 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#ifndef _ZSDA_DEVICE_H_
+#define _ZSDA_DEVICE_H_
+
+#include "bus_pci_driver.h"
+
+#include "zsda_common.h"
+#include "zsda_logs.h"
+
+struct zsda_device_info {
+ const struct rte_memzone *mz;
+ /**< mz to store the： struct zsda_pci_device , so it can be
+ * shared across processes
+ */
+
+ struct rte_pci_device *pci_dev;
+
+ struct rte_device comp_rte_dev;
+ /**< This represents the compression subset of this pci device.
+ * Register with this rather than with the one in
+ * pci_dev so that its driver can have a compression-specific name
+ */
+};
+
+extern struct zsda_device_info zsda_devs[];
+
+struct zsda_comp_dev_private;
+
+struct zsda_qp_hw_data {
+ bool used;
+
+ uint8_t tx_ring_num;
+ uint8_t rx_ring_num;
+ uint16_t tx_msg_size;
+ uint16_t rx_msg_size;
+};
+
+struct zsda_qp_hw {
+ struct zsda_qp_hw_data data[MAX_QPS_ON_FUNCTION];
+};
+
+/*
+ * This struct holds all the data about a ZSDA pci device
+ * including data about all services it supports.
+ * It contains
+ * - hw_data
+ * - config data
+ * - runtime data
+ * Note: as this data can be shared in a multi-process scenario,
+ * any pointers in it must also point to shared memory.
+ */
+struct zsda_pci_device {
+ /* Data used by all services */
+ char name[ZSDA_DEV_NAME_MAX_LEN];
+ /**< Name of zsda pci device */
+ uint8_t zsda_dev_id;
+ /**< Id of device instance for this zsda pci device */
+
+ rte_spinlock_t arb_csr_lock;
+ /**< lock to protect accesses to the arbiter CSR */
+
+ struct rte_pci_device *pci_dev;
+
+ /* Data relating to compression service */
+ struct zsda_comp_dev_private *comp_dev;
+ /**< link back to compressdev private data */
+
+ struct zsda_qp_hw zsda_hw_qps[ZSDA_MAX_SERVICES];
+ uint16_t zsda_qp_hw_num[ZSDA_MAX_SERVICES];
+};
+
+struct zsda_pci_device *
+zsda_pci_device_allocate(struct rte_pci_device *pci_dev);
+
+struct zsda_pci_device *
+zsda_get_zsda_dev_from_pci_dev(const struct rte_pci_device *pci_dev);
+
+__rte_weak int
+zsda_get_queue_cfg(struct zsda_pci_device *zsda_pci_dev);
+
+__rte_weak int
+zsda_comp_dev_create(struct zsda_pci_device *zsda_pci_dev);
+
+__rte_weak int
+zsda_comp_dev_destroy(struct zsda_pci_device *zsda_pci_dev);
+
+int zsda_get_queue_cfg_by_id(const struct zsda_pci_device *zsda_pci_dev,
+ const uint8_t qid, struct qinfo *qcfg);
+
+int zsda_queue_start(const struct rte_pci_device *pci_dev);
+int zsda_queue_stop(const struct rte_pci_device *pci_dev);
+int zsda_queue_clear(const struct rte_pci_device *pci_dev);
+
+int zsda_admin_q_start(const struct rte_pci_device *pci_dev);
+int zsda_admin_q_stop(const struct rte_pci_device *pci_dev);
+int zsda_admin_q_clear(const struct rte_pci_device *pci_dev);
+
+int zsda_set_cycle_head_tail(struct zsda_pci_device *zsda_pci_dev);
+
+#endif /* _ZSDA_DEVICE_H_ */
--
2.27.0
[-- Attachment #1.1.2: Type: text/html , Size: 33257 bytes --]
^ permalink raw reply [flat|nested] 5+ messages in thread* [PATCH v2 3/4] zsda: add support for queue operation
2024-08-15 2:54 [PATCH v2 1/4] zsda: Introduce zsda device drivers Hanxiao Li
2024-08-15 2:54 ` [PATCH v2 2/4] zsda: add support for zsdadev operations Hanxiao Li
@ 2024-08-15 2:54 ` Hanxiao Li
2024-08-21 14:53 ` Stephen Hemminger
2024-08-15 2:54 ` [PATCH v2 4/4] zsda: add zsda compressdev driver and interface Hanxiao Li
2 siblings, 1 reply; 5+ messages in thread
From: Hanxiao Li @ 2024-08-15 2:54 UTC (permalink / raw)
To: dev; +Cc: Hanxiao Li
[-- Attachment #1.1.1: Type: text/plain, Size: 26134 bytes --]
Add queue initialization, release, enqueue, dequeue and other interface.
Signed-off-by: Hanxiao Li <li.hanxiao@zte.com.cn>
---
drivers/common/zsda/zsda_qp.c | 720 ++++++++++++++++++++++++++++++++++
drivers/common/zsda/zsda_qp.h | 163 ++++++++
2 files changed, 883 insertions(+)
create mode 100644 drivers/common/zsda/zsda_qp.c
create mode 100644 drivers/common/zsda/zsda_qp.h
diff --git a/drivers/common/zsda/zsda_qp.c b/drivers/common/zsda/zsda_qp.c
new file mode 100644
index 0000000000..0f658a73f4
--- /dev/null
+++ b/drivers/common/zsda/zsda_qp.c
@@ -0,0 +1,720 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#include <stdint.h>
+
+#include <rte_malloc.h>
+
+#include "zsda_common.h"
+#include "zsda_logs.h"
+#include "zsda_device.h"
+#include "zsda_qp.h"
+
+#define RING_DIR_TX 0
+#define RING_DIR_RX 1
+
+struct ring_size {
+ uint16_t tx_msg_size;
+ uint16_t rx_msg_size;
+};
+
+struct ring_size zsda_qp_hw_ring_size[ZSDA_MAX_SERVICES] = {
+ [ZSDA_SERVICE_COMPRESSION] = {32, 16},
+ [ZSDA_SERVICE_DECOMPRESSION] = {32, 16},
+};
+
+static void
+zsda_set_queue_head_tail(const struct zsda_pci_device *zsda_pci_dev,
+ const uint8_t qid)
+{
+ struct rte_pci_device *pci_dev =
+ zsda_devs[zsda_pci_dev->zsda_dev_id].pci_dev;
+ uint8_t *mmio_base = pci_dev->mem_resource[0].addr;
+
+ ZSDA_CSR_WRITE32(mmio_base + IO_DB_INITIAL_CONFIG + (qid * 4),
+ SET_HEAD_INTI);
+}
+
+int
+zsda_get_queue_cfg(struct zsda_pci_device *zsda_pci_dev)
+{
+ uint8_t i;
+ uint32_t index;
+ enum zsda_service_type type;
+ struct zsda_qp_hw *zsda_hw_qps = zsda_pci_dev->zsda_hw_qps;
+ struct qinfo qcfg;
+ int ret = 0;
+
+ for (i = 0; i < zsda_num_used_qps; i++) {
+ zsda_set_queue_head_tail(zsda_pci_dev, i);
+ ret = zsda_get_queue_cfg_by_id(zsda_pci_dev, i, &qcfg);
+ type = qcfg.q_type;
+ if (ret) {
+ ZSDA_LOG(ERR, "get queue cfg!");
+ return ret;
+ }
+ if (type >= ZSDA_SERVICE_INVALID)
+ continue;
+
+ index = zsda_pci_dev->zsda_qp_hw_num[type];
+ zsda_hw_qps[type].data[index].used = true;
+ zsda_hw_qps[type].data[index].tx_ring_num = i;
+ zsda_hw_qps[type].data[index].rx_ring_num = i;
+ zsda_hw_qps[type].data[index].tx_msg_size =
+ zsda_qp_hw_ring_size[type].tx_msg_size;
+ zsda_hw_qps[type].data[index].rx_msg_size =
+ zsda_qp_hw_ring_size[type].rx_msg_size;
+
+ zsda_pci_dev->zsda_qp_hw_num[type]++;
+ }
+
+ return ret;
+}
+
+struct zsda_qp_hw *
+zsda_qps_hw_per_service(struct zsda_pci_device *zsda_pci_dev,
+ const enum zsda_service_type service)
+{
+ struct zsda_qp_hw *qp_hw = NULL;
+
+ if (service < ZSDA_SERVICE_INVALID)
+ qp_hw = &(zsda_pci_dev->zsda_hw_qps[service]);
+
+ return qp_hw;
+}
+
+uint16_t
+zsda_qps_per_service(const struct zsda_pci_device *zsda_pci_dev,
+ const enum zsda_service_type service)
+{
+ uint16_t qp_hw_num = 0;
+
+ if (service < ZSDA_SERVICE_INVALID)
+ qp_hw_num = zsda_pci_dev->zsda_qp_hw_num[service];
+
+ return qp_hw_num;
+}
+
+uint16_t
+zsda_comp_max_nb_qps(const struct zsda_pci_device *zsda_pci_dev)
+{
+ uint16_t comp =
+ zsda_qps_per_service(zsda_pci_dev, ZSDA_SERVICE_COMPRESSION);
+ uint16_t decomp =
+ zsda_qps_per_service(zsda_pci_dev, ZSDA_SERVICE_DECOMPRESSION);
+ uint16_t min = 0;
+
+ if ((comp == MAX_QPS_ON_FUNCTION) ||
+ (decomp == MAX_QPS_ON_FUNCTION))
+ min = MAX_QPS_ON_FUNCTION;
+ else
+ min = (comp < decomp) ? comp : decomp;
+ if (min == 0)
+ return MAX_QPS_ON_FUNCTION;
+ return min;
+}
+
+
+void
+zsda_stats_get(void **queue_pairs, const uint32_t nb_queue_pairs,
+ struct zsda_common_stat *stats)
+{
+ enum zsda_service_type type;
+ uint32_t i;
+ struct zsda_qp *qp;
+
+ if ((stats == NULL) || (queue_pairs == NULL)) {
+ ZSDA_LOG(ERR, E_NULL);
+ return;
+ }
+
+ for (i = 0; i < nb_queue_pairs; i++) {
+ qp = (struct zsda_qp *)queue_pairs[i];
+
+ if (qp == NULL) {
+ ZSDA_LOG(ERR, E_NULL);
+ break;
+ }
+
+ for (type = 0; type < ZSDA_SERVICE_INVALID; type++) {
+ if (qp->srv[type].used) {
+ stats->enqueued_count +=
+ qp->srv[type].stats.enqueued_count;
+ stats->dequeued_count +=
+ qp->srv[type].stats.dequeued_count;
+ stats->enqueue_err_count +=
+ qp->srv[type].stats.enqueue_err_count;
+ stats->dequeue_err_count +=
+ qp->srv[type].stats.dequeue_err_count;
+ }
+ }
+ }
+}
+
+void
+zsda_stats_reset(void **queue_pairs, const uint32_t nb_queue_pairs)
+{
+ enum zsda_service_type type;
+ uint32_t i;
+ struct zsda_qp *qp;
+
+ if (queue_pairs == NULL) {
+ ZSDA_LOG(ERR, E_NULL);
+ return;
+ }
+
+ for (i = 0; i < nb_queue_pairs; i++) {
+ qp = (struct zsda_qp *)queue_pairs[i];
+
+ if (qp == NULL) {
+ ZSDA_LOG(ERR, E_NULL);
+ break;
+ }
+ for (type = 0; type < ZSDA_MAX_SERVICES; type++) {
+ if (qp->srv[type].used)
+ memset(&(qp->srv[type].stats), 0,
+ sizeof(struct zsda_common_stat));
+ }
+ }
+}
+
+static const struct rte_memzone *
+queue_dma_zone_reserve(const char *queue_name, const unsigned int queue_size,
+ const unsigned int socket_id)
+{
+ const struct rte_memzone *mz;
+
+ mz = rte_memzone_lookup(queue_name);
+ if (mz != 0) {
+ if (((size_t)queue_size <= mz->len) &&
+ ((socket_id == (SOCKET_ID_ANY & 0xffff)) ||
+ (socket_id == (mz->socket_id & 0xffff)))) {
+ ZSDA_LOG(DEBUG,
+ "re-use memzone already allocated for %s",
+ queue_name);
+ return mz;
+ }
+ ZSDA_LOG(ERR, E_MALLOC);
+ return NULL;
+ }
+
+ mz = rte_memzone_reserve_aligned(queue_name, queue_size,
+ (int)(socket_id & 0xfff),
+ RTE_MEMZONE_IOVA_CONTIG, queue_size);
+
+ return mz;
+}
+
+static int
+zsda_queue_create(const uint32_t dev_id, struct zsda_queue *queue,
+ const struct zsda_qp_config *qp_conf, const uint8_t dir)
+{
+ void *io_addr;
+ const struct rte_memzone *qp_mz;
+ struct qinfo qcfg;
+
+ uint16_t desc_size = ((dir == RING_DIR_TX) ? qp_conf->hw->tx_msg_size
+ : qp_conf->hw->rx_msg_size);
+ unsigned int queue_size_bytes = qp_conf->nb_descriptors * desc_size;
+
+ queue->hw_queue_number =
+ ((dir == RING_DIR_TX) ? qp_conf->hw->tx_ring_num
+ : qp_conf->hw->rx_ring_num);
+
+ struct rte_pci_device *pci_dev = zsda_devs[dev_id].pci_dev;
+ struct zsda_pci_device *zsda_dev =
+ (struct zsda_pci_device *)zsda_devs[dev_id].mz->addr;
+
+ zsda_get_queue_cfg_by_id(zsda_dev, queue->hw_queue_number, &qcfg);
+
+ if (dir == RING_DIR_TX)
+ snprintf(queue->memz_name, sizeof(queue->memz_name),
+ "%s_%d_%s_%s_%d", pci_dev->driver->driver.name, dev_id,
+ qp_conf->service_str, "qptxmem",
+ queue->hw_queue_number);
+ else
+ snprintf(queue->memz_name, sizeof(queue->memz_name),
+ "%s_%d_%s_%s_%d", pci_dev->driver->driver.name, dev_id,
+ qp_conf->service_str, "qprxmem",
+ queue->hw_queue_number);
+
+ qp_mz = queue_dma_zone_reserve(queue->memz_name, queue_size_bytes,
+ rte_socket_id());
+ if (qp_mz == NULL) {
+ ZSDA_LOG(ERR, E_MALLOC);
+ return -ENOMEM;
+ }
+
+ queue->base_addr = (uint8_t *)qp_mz->addr;
+ queue->base_phys_addr = qp_mz->iova;
+ queue->modulo_mask = MAX_NUM_OPS;
+ queue->msg_size = desc_size;
+
+ queue->head = (dir == RING_DIR_TX) ? qcfg.wq_head : qcfg.cq_head;
+ queue->tail = (dir == RING_DIR_TX) ? qcfg.wq_tail : qcfg.cq_tail;
+
+ if ((queue->head == 0) && (queue->tail == 0))
+ qcfg.cycle += 1;
+
+ queue->valid = qcfg.cycle & (ZSDA_MAX_CYCLE - 1);
+ queue->queue_size = ZSDA_MAX_DESC;
+ queue->cycle_size = ZSDA_MAX_CYCLE;
+ queue->io_addr = pci_dev->mem_resource[0].addr;
+
+ memset(queue->base_addr, 0x0, queue_size_bytes);
+ io_addr = pci_dev->mem_resource[0].addr;
+
+ if (dir == RING_DIR_TX)
+ ZSDA_CSR_WQ_RING_BASE(io_addr, queue->hw_queue_number,
+ queue->base_phys_addr);
+ else
+ ZSDA_CSR_CQ_RING_BASE(io_addr, queue->hw_queue_number,
+ queue->base_phys_addr);
+
+ return 0;
+}
+
+static void
+zsda_queue_delete(const struct zsda_queue *queue)
+{
+ const struct rte_memzone *mz;
+ int status;
+
+ if (queue == NULL) {
+ ZSDA_LOG(DEBUG, "Invalid queue");
+ return;
+ }
+
+ mz = rte_memzone_lookup(queue->memz_name);
+ if (mz != NULL) {
+ memset(queue->base_addr, 0x0,
+ (uint16_t)(queue->queue_size * queue->msg_size));
+ status = rte_memzone_free(mz);
+ if (status != 0)
+ ZSDA_LOG(ERR, E_FREE);
+ } else
+ ZSDA_LOG(DEBUG, "queue %s doesn't exist", queue->memz_name);
+}
+
+static int
+cookie_init(const uint32_t dev_id, struct zsda_qp **qp_addr,
+ const uint16_t queue_pair_id,
+ const struct zsda_qp_config *zsda_qp_conf)
+{
+ struct zsda_qp *qp = *qp_addr;
+ struct rte_pci_device *pci_dev = zsda_devs[dev_id].pci_dev;
+ char op_cookie_pool_name[RTE_RING_NAMESIZE];
+ uint32_t i;
+ enum zsda_service_type type = zsda_qp_conf->service_type;
+
+ if (zsda_qp_conf->nb_descriptors != ZSDA_MAX_DESC)
+ ZSDA_LOG(ERR, "Can't create qp for %u descriptors",
+ zsda_qp_conf->nb_descriptors);
+
+ qp->srv[type].nb_descriptors = zsda_qp_conf->nb_descriptors;
+
+ qp->srv[type].op_cookies = rte_zmalloc_socket(
+ "zsda PMD op cookie pointer",
+ zsda_qp_conf->nb_descriptors *
+ sizeof(*qp->srv[type].op_cookies),
+ RTE_CACHE_LINE_SIZE, zsda_qp_conf->socket_id);
+
+ if (qp->srv[type].op_cookies == NULL) {
+ ZSDA_LOG(ERR, E_MALLOC);
+ return -ENOMEM;
+ }
+
+ snprintf(op_cookie_pool_name, RTE_RING_NAMESIZE, "%s%d_cks_%s_qp%hu",
+ pci_dev->driver->driver.name, dev_id,
+ zsda_qp_conf->service_str, queue_pair_id);
+
+ qp->srv[type].op_cookie_pool = rte_mempool_lookup(op_cookie_pool_name);
+ if (qp->srv[type].op_cookie_pool == NULL)
+ qp->srv[type].op_cookie_pool = rte_mempool_create(
+ op_cookie_pool_name, qp->srv[type].nb_descriptors,
+ zsda_qp_conf->cookie_size, 64, 0, NULL, NULL, NULL,
+ NULL, (int)(rte_socket_id() & 0xfff), 0);
+ if (!qp->srv[type].op_cookie_pool) {
+ ZSDA_LOG(ERR, E_CREATE);
+ goto exit;
+ }
+
+ for (i = 0; i < qp->srv[type].nb_descriptors; i++) {
+ if (rte_mempool_get(qp->srv[type].op_cookie_pool,
+ &qp->srv[type].op_cookies[i])) {
+ ZSDA_LOG(ERR, "ZSDA PMD Cannot get op_cookie");
+ goto exit;
+ }
+ memset(qp->srv[type].op_cookies[i], 0,
+ zsda_qp_conf->cookie_size);
+ }
+ return 0;
+
+exit:
+ if (qp->srv[type].op_cookie_pool)
+ rte_mempool_free(qp->srv[type].op_cookie_pool);
+ rte_free(qp->srv[type].op_cookies);
+
+ return -EFAULT;
+}
+
+int
+zsda_queue_pair_setup(const uint32_t dev_id, struct zsda_qp **qp_addr,
+ const uint16_t queue_pair_id,
+ const struct zsda_qp_config *zsda_qp_conf)
+{
+ struct zsda_qp *qp = *qp_addr;
+ struct rte_pci_device *pci_dev = zsda_devs[dev_id].pci_dev;
+ int ret;
+ enum zsda_service_type type = zsda_qp_conf->service_type;
+
+ if (type >= ZSDA_SERVICE_INVALID) {
+ ZSDA_LOG(ERR, "Failed! service type");
+ return -EINVAL;
+ }
+
+ if (pci_dev->mem_resource[0].addr == NULL) {
+ ZSDA_LOG(ERR, E_NULL);
+ return -EINVAL;
+ }
+
+ if (zsda_queue_create(dev_id, &(qp->srv[type].tx_q), zsda_qp_conf,
+ RING_DIR_TX) != 0) {
+ ZSDA_LOG(ERR, E_CREATE);
+ return -EFAULT;
+ }
+
+ if (zsda_queue_create(dev_id, &(qp->srv[type].rx_q), zsda_qp_conf,
+ RING_DIR_RX) != 0) {
+ ZSDA_LOG(ERR, E_CREATE);
+ zsda_queue_delete(&(qp->srv[type].tx_q));
+ return -EFAULT;
+ }
+
+ ret = cookie_init(dev_id, qp_addr, queue_pair_id, zsda_qp_conf);
+ if (ret) {
+ zsda_queue_delete(&(qp->srv[type].tx_q));
+ zsda_queue_delete(&(qp->srv[type].rx_q));
+ qp->srv[type].used = false;
+ }
+ qp->srv[type].used = true;
+ return ret;
+}
+
+int
+zsda_queue_pair_release(struct zsda_qp **qp_addr)
+{
+ struct zsda_qp *qp = *qp_addr;
+ uint32_t i;
+ enum zsda_service_type type;
+
+ if (qp == NULL) {
+ ZSDA_LOG(DEBUG, "qp already freed");
+ return 0;
+ }
+
+ for (type = 0; type < ZSDA_SERVICE_INVALID; type++) {
+ if (!qp->srv[type].used)
+ continue;
+
+ zsda_queue_delete(&(qp->srv[type].tx_q));
+ zsda_queue_delete(&(qp->srv[type].rx_q));
+ qp->srv[type].used = false;
+ for (i = 0; i < qp->srv[type].nb_descriptors; i++)
+ rte_mempool_put(qp->srv[type].op_cookie_pool,
+ qp->srv[type].op_cookies[i]);
+
+ if (qp->srv[type].op_cookie_pool)
+ rte_mempool_free(qp->srv[type].op_cookie_pool);
+
+ rte_free(qp->srv[type].op_cookies);
+ }
+
+ rte_free(qp);
+ *qp_addr = NULL;
+
+ return 0;
+}
+
+int
+zsda_fill_sgl(const struct rte_mbuf *buf, uint32_t offset, struct zsda_sgl *sgl,
+ const phys_addr_t sgl_phy_addr, uint32_t remain_len,
+ struct comp_head_info *comp_head_info)
+{
+ uint32_t nr;
+ uint16_t put_in_len;
+ bool head_set = false;
+
+ for (nr = 0; (buf && (nr < (ZSDA_SGL_MAX_NUMBER - 1)));) {
+ if (offset >= rte_pktmbuf_data_len(buf)) {
+ offset -= rte_pktmbuf_data_len(buf);
+ buf = buf->next;
+ continue;
+ }
+ memset(&(sgl->buffers[nr]), 0, sizeof(struct zsda_buf));
+ if ((nr > 0) && (((nr + 1) % ZSDA_SGL_FRAGMENT_SIZE) == 0) &&
+ (buf->next != NULL)) {
+ sgl->buffers[nr].len = SGL_TYPE_PHYS_ADDR;
+ sgl->buffers[nr].addr =
+ sgl_phy_addr +
+ ((nr + 1) * sizeof(struct zsda_buf));
+ sgl->buffers[nr].type = SGL_TYPE_NEXT_LIST;
+ ++nr;
+ continue;
+ }
+ if (comp_head_info && !head_set) {
+ sgl->buffers[nr].len = comp_head_info->head_len;
+ sgl->buffers[nr].addr = comp_head_info->head_phys_addr;
+ sgl->buffers[nr].type = SGL_TYPE_PHYS_ADDR;
+ ++nr;
+ head_set = true;
+ remain_len -= comp_head_info->head_len;
+ continue;
+ } else {
+ put_in_len = rte_pktmbuf_data_len(buf) - (offset & 0xffff);
+ if (remain_len <= put_in_len)
+ put_in_len = remain_len;
+ remain_len -= put_in_len;
+
+ sgl->buffers[nr].len = put_in_len;
+ sgl->buffers[nr].addr = rte_pktmbuf_iova_offset(buf, offset);
+ sgl->buffers[nr].type = SGL_TYPE_PHYS_ADDR;
+ }
+ offset = 0;
+ ++nr;
+ buf = buf->next;
+
+ if (remain_len == 0)
+ break;
+ }
+
+ if (nr == 0) {
+ ZSDA_LOG(ERR, "In fill_sgl, nr == 0");
+ return ZSDA_FAILED;
+ }
+
+ sgl->buffers[nr - 1].type = SGL_TYPE_LAST_PHYS_ADDR;
+
+ if (buf) {
+ if (unlikely(buf->next)) {
+ if (nr == (ZSDA_SGL_MAX_NUMBER - 1)) {
+ ZSDA_LOG(ERR, "ERR! segs size (%u)",
+ (ZSDA_SGL_MAX_NUMBER));
+ return -EINVAL;
+ }
+ }
+ }
+
+ return ZSDA_SUCCESS;
+}
+
+int
+zsda_get_sgl_num(const struct zsda_sgl *sgl)
+{
+ int sgl_num = 0;
+
+ while (sgl->buffers[sgl_num].type != 1) {
+ sgl_num++;
+ if (sgl_num >= ZSDA_SGL_MAX_NUMBER)
+ return ZSDA_FAILED;
+ }
+ sgl_num++;
+ return sgl_num;
+}
+
+int
+find_next_free_cookie(const struct zsda_queue *queue, void **op_cookie,
+ uint16_t *idx)
+{
+ uint16_t old_tail = queue->tail;
+ uint16_t tail = queue->tail;
+ struct zsda_op_cookie *cookie;
+
+ do {
+ cookie = (struct zsda_op_cookie *)op_cookie[tail];
+ if (!cookie->used) {
+ *idx = tail & (queue->queue_size - 1);
+ return 0;
+ }
+ tail = zsda_modulo_16(tail++, queue->modulo_mask);
+ } while (old_tail != tail);
+
+ return -EINVAL;
+}
+
+static int
+enqueue(void *op, struct zsda_qp *qp)
+{
+ uint16_t new_tail;
+ enum zsda_service_type type;
+ void **op_cookie;
+ int ret;
+ struct zsda_queue *queue;
+
+ for (type = 0; type < ZSDA_SERVICE_INVALID; type++) {
+ if (qp->srv[type].used) {
+ if (!qp->srv[type].match(op))
+ continue;
+ queue = &qp->srv[type].tx_q;
+ op_cookie = qp->srv[type].op_cookies;
+
+ if (find_next_free_cookie(queue, op_cookie,
+ &new_tail)) {
+ ret = -EBUSY;
+ break;
+ }
+ ret = qp->srv[type].tx_cb(op, queue, op_cookie,
+ new_tail);
+ if (ret) {
+ qp->srv[type].stats.enqueue_err_count++;
+ ZSDA_LOG(ERR, "Failed! config wqe");
+ break;
+ }
+ qp->srv[type].stats.enqueued_count++;
+
+ queue->tail = zsda_modulo_16(new_tail + 1,
+ queue->queue_size - 1);
+
+ if (new_tail > queue->tail)
+ queue->valid =
+ zsda_modulo_8(queue->valid + 1,
+ (uint8_t)(queue->cycle_size - 1));
+
+ queue->pushed_wqe++;
+ break;
+ }
+ }
+
+ return ret;
+}
+
+void
+tx_write_tail(struct zsda_queue *queue)
+{
+ if (queue->pushed_wqe)
+ WRITE_CSR_WQ_TAIL(queue->io_addr, queue->hw_queue_number,
+ queue->tail);
+
+ queue->pushed_wqe = 0;
+}
+
+uint16_t
+zsda_enqueue_op_burst(struct zsda_qp *qp, void **ops, uint16_t nb_ops)
+{
+ int ret;
+ enum zsda_service_type type;
+ uint16_t i;
+ uint16_t nb_send = 0;
+ void *op;
+
+ if (nb_ops > ZSDA_MAX_DESC) {
+ ZSDA_LOG(ERR, "Enqueue number bigger than %d", ZSDA_MAX_DESC);
+ return 0;
+ }
+
+ for (i = 0; i < nb_ops; i++) {
+ op = ops[i];
+ ret = enqueue(op, qp);
+ if (ret < 0)
+ break;
+ nb_send++;
+ }
+
+ for (type = 0; type < ZSDA_SERVICE_INVALID; type++)
+ if (qp->srv[type].used)
+ tx_write_tail(&qp->srv[type].tx_q);
+
+ return nb_send;
+}
+
+static void
+dequeue(struct qp_srv *srv, void **ops, const uint16_t nb_ops, uint16_t *nb)
+{
+ uint16_t head;
+ struct zsda_cqe *cqe;
+ struct zsda_queue *queue = &srv->rx_q;
+ struct zsda_op_cookie *cookie;
+ head = queue->head;
+
+ while (*nb < nb_ops) {
+ cqe = (struct zsda_cqe *)((uint8_t *)queue->base_addr + head * queue->msg_size);
+
+ if (!CQE_VALID(cqe->err1))
+ break;
+ cookie = (struct zsda_op_cookie *)srv->op_cookies[cqe->sid];
+
+ if (cookie->decomp_no_tail && CQE_ERR0_RIGHT(cqe->err0))
+ cqe->err0 = 0x0000;
+
+ if (CQE_ERR0(cqe->err0) || CQE_ERR1(cqe->err1)) {
+ ZSDA_LOG(ERR,
+ "ERR! Cqe, opcode 0x%x, sid 0x%x, "
+ "tx_real_length 0x%x, err0 0x%x, err1 0x%x",
+ cqe->op_code, cqe->sid, cqe->tx_real_length,
+ cqe->err0, cqe->err1);
+ srv->stats.dequeue_err_count++;
+ } else
+ srv->stats.dequeued_count++;
+
+ ops[*nb] = cookie->op;
+ srv->rx_cb(cookie, cqe);
+ (*nb)++;
+ cookie->used = false;
+
+ head = zsda_modulo_16(head + 1, queue->modulo_mask);
+ queue->head = head;
+ WRITE_CSR_CQ_HEAD(queue->io_addr, queue->hw_queue_number, head);
+ memset(cqe, 0x0, sizeof(struct zsda_cqe));
+ }
+}
+
+uint16_t
+zsda_dequeue_op_burst(struct zsda_qp *qp, void **ops, const uint16_t nb_ops)
+{
+ uint16_t nb = 0;
+ uint32_t type;
+ struct qp_srv *srv;
+
+ for (type = 0; type < ZSDA_SERVICE_INVALID; type++) {
+ if (!qp->srv[type].used)
+ continue;
+ srv = &qp->srv[type];
+ dequeue(srv, ops, nb_ops, &nb);
+ if (nb >= nb_ops)
+ return nb_ops;
+ }
+ return nb;
+}
+
+int
+common_setup_qp(uint32_t zsda_dev_id, struct zsda_qp **qp_addr,
+ const uint16_t queue_pair_id, const struct zsda_qp_config *conf)
+{
+ uint32_t i;
+ int ret;
+ struct zsda_qp *qp;
+ rte_iova_t cookie_phys_addr;
+
+ ret = zsda_queue_pair_setup(zsda_dev_id, qp_addr, queue_pair_id, conf);
+ if (ret)
+ return ret;
+
+ qp = (struct zsda_qp *)*qp_addr;
+
+ for (i = 0; i < qp->srv[conf->service_type].nb_descriptors; i++) {
+ struct zsda_op_cookie *cookie =
+ qp->srv[conf->service_type].op_cookies[i];
+ cookie_phys_addr = rte_mempool_virt2iova(cookie);
+
+ cookie->comp_head_phys_addr = cookie_phys_addr +
+ offsetof(struct zsda_op_cookie, comp_head);
+
+ cookie->sgl_src_phys_addr = cookie_phys_addr +
+ offsetof(struct zsda_op_cookie, sgl_src);
+
+ cookie->sgl_dst_phys_addr = cookie_phys_addr +
+ offsetof(struct zsda_op_cookie, sgl_dst);
+ }
+ return ret;
+}
diff --git a/drivers/common/zsda/zsda_qp.h b/drivers/common/zsda/zsda_qp.h
new file mode 100644
index 0000000000..e16206d797
--- /dev/null
+++ b/drivers/common/zsda/zsda_qp.h
@@ -0,0 +1,163 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#ifndef _ZSDA_QP_H_
+#define _ZSDA_QP_H_
+
+#define WQ_CSR_LBASE 0x1000
+#define WQ_CSR_UBASE 0x1004
+#define CQ_CSR_LBASE 0x1400
+#define CQ_CSR_UBASE 0x1404
+#define WQ_TAIL 0x1800
+#define CQ_HEAD 0x1804
+
+/**
+ * Structure associated with each queue.
+ */
+struct zsda_queue {
+ char memz_name[RTE_MEMZONE_NAMESIZE];
+ uint8_t *io_addr;
+ uint8_t *base_addr; /* Base address */
+ rte_iova_t base_phys_addr; /* Queue physical address */
+ uint16_t head; /* Shadow copy of the head */
+ uint16_t tail; /* Shadow copy of the tail */
+ uint16_t modulo_mask;
+ uint16_t msg_size;
+ uint16_t queue_size;
+ uint16_t cycle_size;
+ uint16_t pushed_wqe;
+
+ uint8_t hw_queue_number;
+ uint32_t csr_head; /* last written head value */
+ uint32_t csr_tail; /* last written tail value */
+
+ uint8_t valid;
+ uint16_t sid;
+};
+
+typedef void (*rx_callback)(void *cookie_in, const struct zsda_cqe *cqe);
+typedef int (*tx_callback)(void *op_in, const struct zsda_queue *queue,
+ void **op_cookies, const uint16_t new_tail);
+typedef int (*srv_match)(const void *op_in);
+
+struct qp_srv {
+ bool used;
+ struct zsda_queue tx_q;
+ struct zsda_queue rx_q;
+ rx_callback rx_cb;
+ tx_callback tx_cb;
+ srv_match match;
+ struct zsda_common_stat stats;
+ struct rte_mempool *op_cookie_pool;
+ void **op_cookies;
+ uint16_t nb_descriptors;
+};
+
+struct __rte_cache_aligned zsda_qp {
+ struct qp_srv srv[ZSDA_MAX_SERVICES];
+
+ uint16_t max_inflights;
+ uint16_t min_enq_burst_threshold;
+ void *mmap_bar_addr;
+};
+
+struct zsda_qp_config {
+ enum zsda_service_type service_type;
+ const struct zsda_qp_hw_data *hw;
+ uint16_t nb_descriptors;
+ uint32_t cookie_size;
+ int socket_id;
+ const char *service_str;
+};
+
+struct comp_head_info {
+ uint32_t head_len;
+ phys_addr_t head_phys_addr;
+};
+
+extern uint8_t zsda_num_used_qps;
+
+struct zsda_qp_hw *
+zsda_qps_hw_per_service(struct zsda_pci_device *zsda_pci_dev,
+ const enum zsda_service_type service);
+uint16_t zsda_qps_per_service(const struct zsda_pci_device *zsda_pci_dev,
+ const enum zsda_service_type service);
+
+uint16_t zsda_comp_max_nb_qps(const struct zsda_pci_device *zsda_pci_dev);
+uint16_t zsda_crypto_max_nb_qps(struct zsda_pci_device *zsda_pci_dev);
+
+int zsda_get_queue_cfg(struct zsda_pci_device *zsda_pci_dev);
+
+/* CSR write macro */
+#define ZSDA_CSR_WR(csrAddr, csrOffset, val) \
+ rte_write32(val, (((uint8_t *)csrAddr) + csrOffset))
+#define ZSDA_CSR_WC_WR(csrAddr, csrOffset, val) \
+ rte_write32_wc(val, (((uint8_t *)csrAddr) + csrOffset))
+
+/* CSR read macro */
+#define ZSDA_CSR_RD(csrAddr, csrOffset) \
+ rte_read32((((uint8_t *)csrAddr) + csrOffset))
+
+#define ZSDA_CSR_WQ_RING_BASE(csr_base_addr, ring, value) \
+ do { \
+ uint32_t l_base = 0, u_base = 0; \
+ l_base = (uint32_t)(value & 0xFFFFFFFF); \
+ u_base = (uint32_t)((value & 0xFFFFFFFF00000000ULL) >> 32); \
+ ZSDA_CSR_WR(csr_base_addr, (ring << 3) + WQ_CSR_LBASE, \
+ l_base); \
+ ZSDA_LOG(INFO, "l_basg - offset:0x%x, value:0x%x", \
+ ((ring << 3) + WQ_CSR_LBASE), l_base); \
+ ZSDA_CSR_WR(csr_base_addr, (ring << 3) + WQ_CSR_UBASE, \
+ u_base); \
+ ZSDA_LOG(INFO, "h_base - offset:0x%x, value:0x%x", \
+ ((ring << 3) + WQ_CSR_UBASE), u_base); \
+ } while (0)
+
+#define ZSDA_CSR_CQ_RING_BASE(csr_base_addr, ring, value) \
+ do { \
+ uint32_t l_base = 0, u_base = 0; \
+ l_base = (uint32_t)(value & 0xFFFFFFFF); \
+ u_base = (uint32_t)((value & 0xFFFFFFFF00000000ULL) >> 32); \
+ ZSDA_CSR_WR(csr_base_addr, (ring << 3) + CQ_CSR_LBASE, \
+ l_base); \
+ ZSDA_CSR_WR(csr_base_addr, (ring << 3) + CQ_CSR_UBASE, \
+ u_base); \
+ } while (0)
+
+#define READ_CSR_WQ_HEAD(csr_base_addr, ring) \
+ ZSDA_CSR_RD(csr_base_addr, WQ_TAIL + (ring << 3))
+#define WRITE_CSR_WQ_TAIL(csr_base_addr, ring, value) \
+ ZSDA_CSR_WC_WR(csr_base_addr, WQ_TAIL + (ring << 3), value)
+#define READ_CSR_CQ_HEAD(csr_base_addr, ring) \
+ ZSDA_CSR_RD(csr_base_addr, WQ_TAIL + (ring << 3))
+#define WRITE_CSR_CQ_HEAD(csr_base_addr, ring, value) \
+ ZSDA_CSR_WC_WR(csr_base_addr, CQ_HEAD + (ring << 3), value)
+
+uint16_t zsda_enqueue_op_burst(struct zsda_qp *qp, void **ops, const uint16_t nb_ops);
+uint16_t zsda_dequeue_op_burst(struct zsda_qp *qp, void **ops, const uint16_t nb_ops);
+
+void tx_write_tail(struct zsda_queue *queue);
+int zsda_queue_pair_setup(uint32_t dev_id, struct zsda_qp **qp_addr,
+ const uint16_t queue_pair_id,
+ const struct zsda_qp_config *zsda_qp_conf);
+
+int zsda_queue_pair_release(struct zsda_qp **qp_addr);
+int zsda_fill_sgl(const struct rte_mbuf *buf, uint32_t offset,
+ struct zsda_sgl *sgl, const phys_addr_t sgl_phy_addr,
+ uint32_t remain_len, struct comp_head_info *comp_head_info);
+
+int zsda_get_sgl_num(const struct zsda_sgl *sgl);
+int zsda_sgl_opt_addr_lost(struct rte_mbuf *mbuf);
+
+int find_next_free_cookie(const struct zsda_queue *queue, void **op_cookie,
+ uint16_t *idx);
+int common_setup_qp(uint32_t dev_id, struct zsda_qp **qp_addr,
+ const uint16_t queue_pair_id,
+ const struct zsda_qp_config *conf);
+
+void zsda_stats_get(void **queue_pairs, const uint32_t nb_queue_pairs,
+ struct zsda_common_stat *stats);
+void zsda_stats_reset(void **queue_pairs, const uint32_t nb_queue_pairs);
+
+#endif /* _ZSDA_QP_H_ */
--
2.27.0
[-- Attachment #1.1.2: Type: text/html , Size: 69586 bytes --]
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [PATCH v2 3/4] zsda: add support for queue operation
2024-08-15 2:54 ` [PATCH v2 3/4] zsda: add support for queue operation Hanxiao Li
@ 2024-08-21 14:53 ` Stephen Hemminger
0 siblings, 0 replies; 5+ messages in thread
From: Stephen Hemminger @ 2024-08-21 14:53 UTC (permalink / raw)
To: Hanxiao Li; +Cc: dev
On Thu, 15 Aug 2024 10:54:38 +0800
Hanxiao Li <li.hanxiao@zte.com.cn> wrote:
> +uint16_t zsda_enqueue_op_burst(struct zsda_qp *qp, void **ops, const uint16_t nb_ops);
> +uint16_t zsda_dequeue_op_burst(struct zsda_qp *qp, void **ops, const uint16_t nb_ops);
> +
> +void tx_write_tail(struct zsda_queue *queue);
> +int zsda_queue_pair_setup(uint32_t dev_id, struct zsda_qp **qp_addr,
> + const uint16_t queue_pair_id,
> + const struct zsda_qp_config *zsda_qp_conf);
> +
> +int zsda_queue_pair_release(struct zsda_qp **qp_addr);
> +int zsda_fill_sgl(const struct rte_mbuf *buf, uint32_t offset,
> + struct zsda_sgl *sgl, const phys_addr_t sgl_phy_addr,
> + uint32_t remain_len, struct comp_head_info *comp_head_info);
> +
> +int zsda_get_sgl_num(const struct zsda_sgl *sgl);
> +int zsda_sgl_opt_addr_lost(struct rte_mbuf *mbuf);
> +
> +int find_next_free_cookie(const struct zsda_queue *queue, void **op_cookie,
> + uint16_t *idx);
> +int common_setup_qp(uint32_t dev_id, struct zsda_qp **qp_addr,
> + const uint16_t queue_pair_id,
> + const struct zsda_qp_config *conf);
> +
Since these are public but not exported functions, best to prefix
them with zsda_ to avoid any name conflicts.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH v2 4/4] zsda: add zsda compressdev driver and interface
2024-08-15 2:54 [PATCH v2 1/4] zsda: Introduce zsda device drivers Hanxiao Li
2024-08-15 2:54 ` [PATCH v2 2/4] zsda: add support for zsdadev operations Hanxiao Li
2024-08-15 2:54 ` [PATCH v2 3/4] zsda: add support for queue operation Hanxiao Li
@ 2024-08-15 2:54 ` Hanxiao Li
2 siblings, 0 replies; 5+ messages in thread
From: Hanxiao Li @ 2024-08-15 2:54 UTC (permalink / raw)
To: dev; +Cc: Hanxiao Li
[-- Attachment #1.1.1: Type: text/plain, Size: 27384 bytes --]
Add zsda compressdev driver and enqueue, dequeue interface.
Signed-off-by: Hanxiao Li <li.hanxiao@zte.com.cn>
---
drivers/common/zsda/meson.build | 25 ++
drivers/compress/zsda/zsda_comp.c | 320 ++++++++++++++++++
drivers/compress/zsda/zsda_comp.h | 27 ++
drivers/compress/zsda/zsda_comp_pmd.c | 453 ++++++++++++++++++++++++++
drivers/compress/zsda/zsda_comp_pmd.h | 39 +++
drivers/meson.build | 1 +
6 files changed, 865 insertions(+)
create mode 100644 drivers/common/zsda/meson.build
create mode 100644 drivers/compress/zsda/zsda_comp.c
create mode 100644 drivers/compress/zsda/zsda_comp.h
create mode 100644 drivers/compress/zsda/zsda_comp_pmd.c
create mode 100644 drivers/compress/zsda/zsda_comp_pmd.h
diff --git a/drivers/common/zsda/meson.build b/drivers/common/zsda/meson.build
new file mode 100644
index 0000000000..b12ef17476
--- /dev/null
+++ b/drivers/common/zsda/meson.build
@@ -0,0 +1,25 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2024 ZTE Corporation
+
+config_flag_fmt = 'RTE_LIBRTE_@0@_COMMON'
+
+deps += ['bus_pci', 'compressdev']
+sources += files(
+ 'zsda_common.c',
+ 'zsda_logs.c',
+ 'zsda_device.c',
+ 'zsda_qp.c',
+ )
+
+zsda_compress = true
+zsda_compress_path = 'compress/zsda'
+zsda_compress_relpath = '../../' + zsda_compress_path
+includes += include_directories(zsda_compress_relpath)
+
+if zsda_compress
+zlib = dependency('zlib', required: false, method: 'pkg-config')
+ foreach f: ['zsda_comp_pmd.c', 'zsda_comp.c']
+ sources += files(join_paths(zsda_compress_relpath, f))
+ endforeach
+ ext_deps += zlib
+endif
diff --git a/drivers/compress/zsda/zsda_comp.c b/drivers/compress/zsda/zsda_comp.c
new file mode 100644
index 0000000000..87ddd0e699
--- /dev/null
+++ b/drivers/compress/zsda/zsda_comp.c
@@ -0,0 +1,320 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#include "zsda_comp.h"
+
+#include <zlib.h>
+
+#define ZLIB_HEADER_SIZE 2
+#define ZLIB_TRAILER_SIZE 4
+#define GZIP_HEADER_SIZE 10
+#define GZIP_TRAILER_SIZE 8
+#define CHECKSUM_SIZE 4
+
+static uint32_t zsda_read_chksum(uint8_t *data_addr, uint8_t op_code,
+ uint32_t produced);
+
+int
+comp_match(const void *op_in)
+{
+ const struct rte_comp_op *op = (const struct rte_comp_op *)op_in;
+ const struct zsda_comp_xform *xform =
+ (struct zsda_comp_xform *)op->private_xform;
+
+ if (op->op_type != RTE_COMP_OP_STATELESS)
+ return 0;
+
+ if (xform->type != RTE_COMP_COMPRESS)
+ return 0;
+
+ return 1;
+}
+
+static uint8_t
+get_opcode(const struct zsda_comp_xform *xform)
+{
+ if (xform->type == RTE_COMP_COMPRESS) {
+ if (xform->checksum_type == RTE_COMP_CHECKSUM_NONE ||
+ xform->checksum_type == RTE_COMP_CHECKSUM_CRC32)
+ return ZSDA_OPC_COMP_GZIP;
+ else if (xform->checksum_type == RTE_COMP_CHECKSUM_ADLER32)
+ return ZSDA_OPC_COMP_ZLIB;
+ }
+ if (xform->type == RTE_COMP_DECOMPRESS) {
+ if (xform->checksum_type == RTE_COMP_CHECKSUM_CRC32 ||
+ xform->checksum_type == RTE_COMP_CHECKSUM_NONE)
+ return ZSDA_OPC_DECOMP_GZIP;
+ else if (xform->checksum_type == RTE_COMP_CHECKSUM_ADLER32)
+ return ZSDA_OPC_DECOMP_ZLIB;
+ }
+
+ return ZSDA_OPC_INVALID;
+}
+
+int
+build_comp_request(void *op_in, const struct zsda_queue *queue,
+ void **op_cookies, const uint16_t new_tail)
+{
+ struct rte_comp_op *op = op_in;
+ struct zsda_comp_xform *xform =
+ (struct zsda_comp_xform *)op->private_xform;
+ struct zsda_wqe_comp *wqe =
+ (struct zsda_wqe_comp *)(queue->base_addr +
+ (new_tail * queue->msg_size));
+
+ struct zsda_op_cookie *cookie =
+ (struct zsda_op_cookie *)op_cookies[new_tail];
+ struct zsda_sgl *sgl_src = (struct zsda_sgl *)&cookie->sgl_src;
+ struct zsda_sgl *sgl_dst = (struct zsda_sgl *)&cookie->sgl_dst;
+ struct comp_head_info comp_head_info;
+
+ uint8_t opcode;
+ int ret;
+ uint32_t op_offset;
+ uint32_t op_src_len;
+ uint32_t op_dst_len;
+ uint32_t head_len;
+
+ if ((op->m_dst == NULL) || (op->m_dst == op->m_src)) {
+ ZSDA_LOG(ERR, "Failed! m_dst");
+ return -EINVAL;
+ }
+
+ opcode = get_opcode(xform);
+ if (opcode == ZSDA_OPC_INVALID) {
+ ZSDA_LOG(ERR, E_CONFIG);
+ return -EINVAL;
+ }
+
+ cookie->used = true;
+ cookie->sid = new_tail;
+ cookie->op = op;
+
+ if (opcode == ZSDA_OPC_COMP_GZIP)
+ head_len = GZIP_HEADER_SIZE;
+ else if (opcode == ZSDA_OPC_COMP_ZLIB)
+ head_len = ZLIB_HEADER_SIZE;
+ else {
+ ZSDA_LOG(ERR, "Comp, op_code error!");
+ return -EINVAL;
+ }
+
+ comp_head_info.head_len = head_len;
+ comp_head_info.head_phys_addr = cookie->comp_head_phys_addr;
+
+ op_offset = op->src.offset;
+ op_src_len = op->src.length;
+ ret = zsda_fill_sgl(op->m_src, op_offset, sgl_src,
+ cookie->sgl_src_phys_addr, op_src_len, NULL);
+
+ op_offset = op->dst.offset;
+ op_dst_len = op->m_dst->pkt_len - op_offset;
+ op_dst_len += head_len;
+ ret |= zsda_fill_sgl(op->m_dst, op_offset, sgl_dst,
+ cookie->sgl_dst_phys_addr, op_dst_len,
+ &comp_head_info);
+
+ if (ret) {
+ ZSDA_LOG(ERR, E_FUNC);
+ return ret;
+ }
+
+ memset(wqe, 0, sizeof(struct zsda_wqe_comp));
+ wqe->rx_length = op_src_len;
+ wqe->tx_length = op_dst_len;
+ wqe->valid = queue->valid;
+ wqe->op_code = opcode;
+ wqe->sid = cookie->sid;
+ wqe->rx_sgl_type = SGL_ELM_TYPE_LIST;
+ wqe->tx_sgl_type = SGL_ELM_TYPE_LIST;
+
+ wqe->rx_addr = cookie->sgl_src_phys_addr;
+ wqe->tx_addr = cookie->sgl_dst_phys_addr;
+
+ return ret;
+}
+
+int
+decomp_match(const void *op_in)
+{
+ const struct rte_comp_op *op = (const struct rte_comp_op *)op_in;
+ const struct zsda_comp_xform *xform =
+ (struct zsda_comp_xform *)op->private_xform;
+
+ if (op->op_type != RTE_COMP_OP_STATELESS)
+ return 0;
+
+ if (xform->type != RTE_COMP_DECOMPRESS)
+ return 0;
+ return 1;
+}
+
+int
+build_decomp_request(void *op_in, const struct zsda_queue *queue,
+ void **op_cookies, const uint16_t new_tail)
+{
+ struct rte_comp_op *op = op_in;
+ struct zsda_comp_xform *xform =
+ (struct zsda_comp_xform *)op->private_xform;
+
+ struct zsda_wqe_comp *wqe =
+ (struct zsda_wqe_comp *)(queue->base_addr +
+ (new_tail * queue->msg_size));
+ struct zsda_op_cookie *cookie =
+ (struct zsda_op_cookie *)op_cookies[new_tail];
+ struct zsda_sgl *sgl_src = (struct zsda_sgl *)&cookie->sgl_src;
+ struct zsda_sgl *sgl_dst = (struct zsda_sgl *)&cookie->sgl_dst;
+ uint8_t opcode;
+ int ret;
+
+ uint32_t op_offset;
+ uint32_t op_src_len;
+ uint32_t op_dst_len;
+
+ uint8_t *head_data;
+ uint16_t head_len;
+ struct comp_head_info comp_head_info;
+ uint8_t head_zlib[ZLIB_HEADER_SIZE] = {0x78, 0xDA};
+ uint8_t head_gzip[GZIP_HEADER_SIZE] = {0x1F, 0x8B, 0x08, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x03};
+
+ if ((op->m_dst == NULL) || (op->m_dst == op->m_src)) {
+ ZSDA_LOG(ERR, "Failed! m_dst");
+ return -EINVAL;
+ }
+
+ opcode = get_opcode(xform);
+ if (opcode == ZSDA_OPC_INVALID) {
+ ZSDA_LOG(ERR, E_CONFIG);
+ return -EINVAL;
+ }
+
+ cookie->used = true;
+ cookie->sid = new_tail;
+ cookie->op = op;
+
+ if (opcode == ZSDA_OPC_DECOMP_GZIP) {
+ head_data = head_gzip;
+ head_len = GZIP_HEADER_SIZE;
+ } else if (opcode == ZSDA_OPC_DECOMP_ZLIB) {
+ head_data = head_zlib;
+ head_len = ZLIB_HEADER_SIZE;
+ } else {
+ ZSDA_LOG(ERR, "Comp, op_code error!");
+ return -EINVAL;
+ }
+
+ op_offset = op->src.offset;
+ op_src_len = op->src.length;
+ op_src_len += head_len;
+ comp_head_info.head_len = head_len;
+ comp_head_info.head_phys_addr = cookie->comp_head_phys_addr;
+ cookie->decomp_no_tail = true;
+ for (int i = 0; i < head_len; i++)
+ cookie->comp_head[i] = head_data[i];
+
+ ret = zsda_fill_sgl(op->m_src, op_offset, sgl_src,
+ cookie->sgl_src_phys_addr, op_src_len,
+ &comp_head_info);
+
+ op_offset = op->dst.offset;
+ op_dst_len = op->m_dst->pkt_len - op_offset;
+ ret |= zsda_fill_sgl(op->m_dst, op_offset, sgl_dst,
+ cookie->sgl_dst_phys_addr, op_dst_len, NULL);
+
+ if (ret) {
+ ZSDA_LOG(ERR, E_FUNC);
+ return ret;
+ }
+
+ memset(wqe, 0, sizeof(struct zsda_wqe_comp));
+
+ wqe->rx_length = op_src_len;
+ wqe->tx_length = op_dst_len;
+ wqe->valid = queue->valid;
+ wqe->op_code = opcode;
+ wqe->sid = cookie->sid;
+ wqe->rx_sgl_type = SGL_ELM_TYPE_LIST;
+ wqe->tx_sgl_type = SGL_ELM_TYPE_LIST;
+ wqe->rx_addr = cookie->sgl_src_phys_addr;
+ wqe->tx_addr = cookie->sgl_dst_phys_addr;
+
+ return ret;
+}
+
+void
+comp_callback(void *cookie_in, const struct zsda_cqe *cqe)
+{
+ struct zsda_op_cookie *tmp_cookie = (struct zsda_op_cookie *)cookie_in;
+ struct rte_comp_op *tmp_op = (struct rte_comp_op *)tmp_cookie->op;
+ uint8_t *data_addr =
+ (uint8_t *)tmp_op->m_dst->buf_addr + tmp_op->m_dst->data_off;
+ uint32_t chksum;
+ uint16_t head_len;
+ uint16_t tail_len;
+
+ if (!(CQE_ERR0(cqe->err0) || CQE_ERR1(cqe->err1)))
+ tmp_op->status = RTE_COMP_OP_STATUS_SUCCESS;
+ else {
+ tmp_op->status = RTE_COMP_OP_STATUS_ERROR;
+ return;
+ }
+
+ /* handle chksum */
+ tmp_op->produced = cqe->tx_real_length;
+ if (cqe->op_code == ZSDA_OPC_COMP_ZLIB) {
+ head_len = ZLIB_HEADER_SIZE;
+ tail_len = ZLIB_TRAILER_SIZE;
+ chksum = zsda_read_chksum(data_addr, cqe->op_code,
+ tmp_op->produced - head_len);
+ }
+ if (cqe->op_code == ZSDA_OPC_COMP_GZIP) {
+ head_len = GZIP_HEADER_SIZE;
+ tail_len = GZIP_TRAILER_SIZE;
+ chksum = zsda_read_chksum(data_addr, cqe->op_code,
+ tmp_op->produced - head_len);
+ } else if (cqe->op_code == ZSDA_OPC_DECOMP_ZLIB) {
+ head_len = ZLIB_HEADER_SIZE;
+ tail_len = ZLIB_TRAILER_SIZE;
+ chksum = adler32(0, Z_NULL, 0);
+ chksum = adler32(chksum, data_addr, tmp_op->produced);
+ } else if (cqe->op_code == ZSDA_OPC_DECOMP_GZIP) {
+ head_len = GZIP_HEADER_SIZE;
+ tail_len = GZIP_TRAILER_SIZE;
+ chksum = crc32(0, Z_NULL, 0);
+ chksum = crc32(chksum, data_addr, tmp_op->produced);
+ }
+ tmp_op->output_chksum = chksum;
+
+ if (cqe->op_code == ZSDA_OPC_COMP_ZLIB ||
+ cqe->op_code == ZSDA_OPC_COMP_GZIP) {
+ /* remove tail data*/
+ rte_pktmbuf_trim(tmp_op->m_dst, GZIP_TRAILER_SIZE);
+ /* remove head and tail length */
+ tmp_op->produced = tmp_op->produced - (head_len + tail_len);
+ }
+
+}
+
+static uint32_t
+zsda_read_chksum(uint8_t *data_addr, uint8_t op_code, uint32_t produced)
+{
+ uint8_t *chk_addr;
+ uint32_t chksum = 0;
+ int i = 0;
+
+ if (op_code == ZSDA_OPC_COMP_ZLIB) {
+ chk_addr = data_addr + produced - ZLIB_TRAILER_SIZE;
+ for (i = 0; i < CHECKSUM_SIZE; i++) {
+ chksum = chksum << 8;
+ chksum |= (*(chk_addr + i));
+ }
+ } else if (op_code == ZSDA_OPC_COMP_GZIP) {
+ chk_addr = data_addr + produced - GZIP_TRAILER_SIZE;
+ for (i = 0; i < CHECKSUM_SIZE; i++)
+ chksum |= (*(chk_addr + i) << (i * 8));
+ }
+
+ return chksum;
+}
diff --git a/drivers/compress/zsda/zsda_comp.h b/drivers/compress/zsda/zsda_comp.h
new file mode 100644
index 0000000000..19a203f18f
--- /dev/null
+++ b/drivers/compress/zsda/zsda_comp.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#ifndef _ZSDA_COMP_H_
+#define _ZSDA_COMP_H_
+
+#include <rte_compressdev.h>
+
+#include "zsda_common.h"
+#include "zsda_device.h"
+#include "zsda_qp.h"
+
+struct zsda_comp_xform {
+ enum rte_comp_xform_type type;
+ enum rte_comp_checksum_type checksum_type;
+};
+
+int comp_match(const void *op_in);
+int build_comp_request(void *op_in, const struct zsda_queue *queue,
+ void **op_cookies, const uint16_t new_tail);
+int decomp_match(const void *op_in);
+int build_decomp_request(void *op_in, const struct zsda_queue *queue,
+ void **op_cookies, const uint16_t new_tail);
+void comp_callback(void *cookie_in, const struct zsda_cqe *cqe);
+
+#endif
diff --git a/drivers/compress/zsda/zsda_comp_pmd.c b/drivers/compress/zsda/zsda_comp_pmd.c
new file mode 100644
index 0000000000..f301243bed
--- /dev/null
+++ b/drivers/compress/zsda/zsda_comp_pmd.c
@@ -0,0 +1,453 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#include <rte_malloc.h>
+
+#include "zsda_comp.h"
+#include "zsda_comp_pmd.h"
+
+static const struct rte_compressdev_capabilities zsda_comp_capabilities[] = {
+ {
+ .algo = RTE_COMP_ALGO_DEFLATE,
+ .comp_feature_flags = RTE_COMP_FF_HUFFMAN_DYNAMIC |
+ RTE_COMP_FF_OOP_SGL_IN_SGL_OUT |
+ RTE_COMP_FF_OOP_SGL_IN_LB_OUT |
+ RTE_COMP_FF_OOP_LB_IN_SGL_OUT |
+ RTE_COMP_FF_CRC32_CHECKSUM |
+ RTE_COMP_FF_ADLER32_CHECKSUM,
+ .window_size = {.min = 15, .max = 15, .increment = 0},
+ },
+};
+
+static void
+zsda_comp_stats_get(struct rte_compressdev *dev,
+ struct rte_compressdev_stats *stats)
+{
+ struct zsda_common_stat comm = {0};
+
+ zsda_stats_get(dev->data->queue_pairs, dev->data->nb_queue_pairs,
+ &comm);
+ stats->enqueued_count = comm.enqueued_count;
+ stats->dequeued_count = comm.dequeued_count;
+ stats->enqueue_err_count = comm.enqueue_err_count;
+ stats->dequeue_err_count = comm.dequeue_err_count;
+}
+
+static void
+zsda_comp_stats_reset(struct rte_compressdev *dev)
+{
+ zsda_stats_reset(dev->data->queue_pairs, dev->data->nb_queue_pairs);
+}
+
+static int
+zsda_comp_qp_release(struct rte_compressdev *dev, uint16_t queue_pair_id)
+{
+ return zsda_queue_pair_release(
+ (struct zsda_qp **)&(dev->data->queue_pairs[queue_pair_id]));
+}
+
+
+static int
+setup_comp_queue(struct zsda_pci_device *zsda_pci_dev, const uint16_t qp_id,
+ struct zsda_qp *qp, uint16_t nb_des, int socket_id)
+{
+ enum zsda_service_type type = ZSDA_SERVICE_COMPRESSION;
+ struct zsda_qp_config conf;
+ int ret;
+ struct zsda_qp_hw *qp_hw;
+
+ qp_hw = zsda_qps_hw_per_service(zsda_pci_dev, type);
+ conf.hw = qp_hw->data + qp_id;
+ conf.service_type = type;
+ conf.cookie_size = sizeof(struct zsda_op_cookie);
+ conf.nb_descriptors = nb_des;
+ conf.socket_id = socket_id;
+ conf.service_str = "comp";
+
+ ret = common_setup_qp(zsda_pci_dev->zsda_dev_id, &qp, qp_id, &conf);
+ qp->srv[type].rx_cb = comp_callback;
+ qp->srv[type].tx_cb = build_comp_request;
+ qp->srv[type].match = comp_match;
+
+ return ret;
+}
+
+static int
+setup_decomp_queue(struct zsda_pci_device *zsda_pci_dev, const uint16_t qp_id,
+ struct zsda_qp *qp, uint16_t nb_des, int socket_id)
+{
+ enum zsda_service_type type = ZSDA_SERVICE_DECOMPRESSION;
+ struct zsda_qp_config conf;
+ int ret;
+ struct zsda_qp_hw *qp_hw;
+
+ qp_hw = zsda_qps_hw_per_service(zsda_pci_dev, type);
+ conf.hw = qp_hw->data + qp_id;
+ conf.service_type = type;
+ conf.cookie_size = sizeof(struct zsda_op_cookie);
+ conf.nb_descriptors = nb_des;
+ conf.socket_id = socket_id;
+ conf.service_str = "decomp";
+
+ ret = common_setup_qp(zsda_pci_dev->zsda_dev_id, &qp, qp_id, &conf);
+ qp->srv[type].rx_cb = comp_callback;
+ qp->srv[type].tx_cb = build_decomp_request;
+ qp->srv[type].match = decomp_match;
+
+ return ret;
+}
+
+static int
+zsda_comp_qp_setup(struct rte_compressdev *dev, uint16_t qp_id,
+ uint32_t max_inflight_ops, int socket_id)
+{
+ int ret;
+ struct zsda_qp *qp_new;
+
+ struct zsda_qp **qp_addr =
+ (struct zsda_qp **)&(dev->data->queue_pairs[qp_id]);
+ struct zsda_comp_dev_private *comp_priv = dev->data->dev_private;
+ struct zsda_pci_device *zsda_pci_dev = comp_priv->zsda_pci_dev;
+ uint16_t num_qps_comp =
+ zsda_qps_per_service(zsda_pci_dev, ZSDA_SERVICE_COMPRESSION);
+ uint16_t num_qps_decomp =
+ zsda_qps_per_service(zsda_pci_dev, ZSDA_SERVICE_DECOMPRESSION);
+ uint16_t nb_des = max_inflight_ops & 0xffff;
+
+ nb_des = (nb_des == NB_DES) ? nb_des : NB_DES;
+
+ if (*qp_addr != NULL) {
+ ret = zsda_comp_qp_release(dev, qp_id);
+ if (ret)
+ return ret;
+ }
+
+ qp_new = rte_zmalloc_socket("zsda PMD qp metadata", sizeof(*qp_new),
+ RTE_CACHE_LINE_SIZE, socket_id);
+ if (qp_new == NULL) {
+ ZSDA_LOG(ERR, E_MALLOC);
+ return -ENOMEM;
+ }
+
+ if (num_qps_comp == MAX_QPS_ON_FUNCTION)
+ ret = setup_comp_queue(zsda_pci_dev, qp_id, qp_new, nb_des,
+ socket_id);
+ else if (num_qps_decomp == MAX_QPS_ON_FUNCTION)
+ ret = setup_decomp_queue(zsda_pci_dev, qp_id, qp_new, nb_des,
+ socket_id);
+ else {
+ ret = setup_comp_queue(zsda_pci_dev, qp_id, qp_new, nb_des,
+ socket_id);
+ ret |= setup_decomp_queue(zsda_pci_dev, qp_id, qp_new, nb_des,
+ socket_id);
+ }
+
+ if (ret) {
+ rte_free(qp_new);
+ return ret;
+ }
+
+ qp_new->mmap_bar_addr =
+ comp_priv->zsda_pci_dev->pci_dev->mem_resource[0].addr;
+ *qp_addr = qp_new;
+
+ return ret;
+}
+
+static int
+zsda_comp_xform_size(void)
+{
+ return RTE_ALIGN_CEIL(sizeof(struct zsda_comp_xform), 8);
+}
+
+static struct rte_mempool *
+zsda_comp_create_xform_pool(struct zsda_comp_dev_private *comp_dev,
+ struct rte_compressdev_config *config,
+ uint32_t num_elements)
+{
+ char xform_pool_name[RTE_MEMPOOL_NAMESIZE];
+ struct rte_mempool *mp;
+
+ snprintf(xform_pool_name, RTE_MEMPOOL_NAMESIZE, "%s_xforms",
+ comp_dev->zsda_pci_dev->name);
+
+ ZSDA_LOG(DEBUG, "xformpool: %s", xform_pool_name);
+ mp = rte_mempool_lookup(xform_pool_name);
+
+ if (mp != NULL) {
+ ZSDA_LOG(DEBUG, "xformpool already created");
+ if (mp->size != num_elements) {
+ ZSDA_LOG(DEBUG, "xformpool wrong size - delete it");
+ rte_mempool_free(mp);
+ mp = NULL;
+ comp_dev->xformpool = NULL;
+ }
+ }
+
+ if (mp == NULL)
+ mp = rte_mempool_create(xform_pool_name, num_elements,
+ zsda_comp_xform_size(), 0, 0, NULL,
+ NULL, NULL, NULL, config->socket_id, 0);
+ if (mp == NULL) {
+ ZSDA_LOG(ERR, E_CREATE);
+ return NULL;
+ }
+
+ return mp;
+}
+
+static int
+zsda_comp_private_xform_create(struct rte_compressdev *dev,
+ const struct rte_comp_xform *xform,
+ void **private_xform)
+{
+ struct zsda_comp_dev_private *zsda = dev->data->dev_private;
+
+ if (unlikely(private_xform == NULL)) {
+ ZSDA_LOG(ERR, E_NULL);
+ return -EINVAL;
+ }
+ if (unlikely(zsda->xformpool == NULL)) {
+ ZSDA_LOG(ERR, E_NULL);
+ return -ENOMEM;
+ }
+ if (rte_mempool_get(zsda->xformpool, private_xform)) {
+ ZSDA_LOG(ERR, E_NULL);
+ return -ENOMEM;
+ }
+
+ struct zsda_comp_xform *zsda_xform =
+ (struct zsda_comp_xform *)*private_xform;
+ zsda_xform->type = xform->type;
+
+ if (zsda_xform->type == RTE_COMP_COMPRESS)
+ zsda_xform->checksum_type = xform->compress.chksum;
+ else
+ zsda_xform->checksum_type = xform->decompress.chksum;
+
+ if (zsda_xform->checksum_type == RTE_COMP_CHECKSUM_CRC32_ADLER32)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int
+zsda_comp_private_xform_free(struct rte_compressdev *dev __rte_unused,
+ void *private_xform)
+{
+ struct zsda_comp_xform *zsda_xform =
+ (struct zsda_comp_xform *)private_xform;
+
+ if (zsda_xform) {
+ memset(zsda_xform, 0, zsda_comp_xform_size());
+ struct rte_mempool *mp = rte_mempool_from_obj(zsda_xform);
+
+ rte_mempool_put(mp, zsda_xform);
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static int
+zsda_comp_dev_close(struct rte_compressdev *dev)
+{
+ uint16_t i;
+ struct zsda_comp_dev_private *comp_dev = dev->data->dev_private;
+
+ for (i = 0; i < dev->data->nb_queue_pairs; i++)
+ zsda_comp_qp_release(dev, i);
+
+ rte_mempool_free(comp_dev->xformpool);
+ comp_dev->xformpool = NULL;
+
+ return 0;
+}
+
+static int
+zsda_comp_dev_config(struct rte_compressdev *dev,
+ struct rte_compressdev_config *config)
+{
+ struct zsda_comp_dev_private *comp_dev = dev->data->dev_private;
+
+ if (config->max_nb_priv_xforms) {
+ comp_dev->xformpool = zsda_comp_create_xform_pool(
+ comp_dev, config, config->max_nb_priv_xforms);
+ if (comp_dev->xformpool == NULL)
+ return -ENOMEM;
+ } else
+ comp_dev->xformpool = NULL;
+
+ return 0;
+}
+
+static int
+zsda_comp_dev_start(struct rte_compressdev *dev)
+{
+ struct zsda_comp_dev_private *comp_dev = dev->data->dev_private;
+ int ret;
+
+ ret = zsda_queue_start(comp_dev->zsda_pci_dev->pci_dev);
+
+ if (ret)
+ ZSDA_LOG(ERR, E_START_Q);
+
+ return ret;
+}
+
+static void
+zsda_comp_dev_stop(struct rte_compressdev *dev)
+{
+ struct zsda_comp_dev_private *comp_dev = dev->data->dev_private;
+
+ zsda_queue_stop(comp_dev->zsda_pci_dev->pci_dev);
+}
+
+static void
+zsda_comp_dev_info_get(struct rte_compressdev *dev,
+ struct rte_compressdev_info *info)
+{
+ struct zsda_comp_dev_private *comp_dev = dev->data->dev_private;
+
+ if (info != NULL) {
+ info->max_nb_queue_pairs =
+ zsda_comp_max_nb_qps(comp_dev->zsda_pci_dev);
+ info->feature_flags = dev->feature_flags;
+ info->capabilities = comp_dev->zsda_dev_capabilities;
+ }
+}
+
+static uint16_t
+zsda_comp_pmd_enqueue_op_burst(void *qp, struct rte_comp_op **ops,
+ uint16_t nb_ops)
+{
+ return zsda_enqueue_op_burst((struct zsda_qp *)qp, (void **)ops,
+ nb_ops);
+}
+
+static uint16_t
+zsda_comp_pmd_dequeue_op_burst(void *qp, struct rte_comp_op **ops,
+ uint16_t nb_ops)
+{
+ return zsda_dequeue_op_burst((struct zsda_qp *)qp, (void **)ops,
+ nb_ops);
+}
+
+static struct rte_compressdev_ops compress_zsda_ops = {
+
+ .dev_configure = zsda_comp_dev_config,
+ .dev_start = zsda_comp_dev_start,
+ .dev_stop = zsda_comp_dev_stop,
+ .dev_close = zsda_comp_dev_close,
+ .dev_infos_get = zsda_comp_dev_info_get,
+
+ .stats_get = zsda_comp_stats_get,
+ .stats_reset = zsda_comp_stats_reset,
+ .queue_pair_setup = zsda_comp_qp_setup,
+ .queue_pair_release = zsda_comp_qp_release,
+
+ .private_xform_create = zsda_comp_private_xform_create,
+ .private_xform_free = zsda_comp_private_xform_free};
+
+/* An rte_driver is needed in the registration of the device with compressdev.
+ * The actual zsda pci's rte_driver can't be used as its name represents
+ * the whole pci device with all services. Think of this as a holder for a name
+ * for the compression part of the pci device.
+ */
+static const char zsda_comp_drv_name[] = RTE_STR(COMPRESSDEV_NAME_ZSDA_PMD);
+static const struct rte_driver compdev_zsda_driver = {
+ .name = zsda_comp_drv_name, .alias = zsda_comp_drv_name};
+
+int
+zsda_comp_dev_create(struct zsda_pci_device *zsda_pci_dev)
+{
+ struct zsda_device_info *dev_info =
+ &zsda_devs[zsda_pci_dev->zsda_dev_id];
+
+ struct rte_compressdev_pmd_init_params init_params = {
+ .name = "",
+ .socket_id = (int)rte_socket_id(),
+ };
+
+ char name[RTE_COMPRESSDEV_NAME_MAX_LEN];
+ char capa_memz_name[RTE_COMPRESSDEV_NAME_MAX_LEN];
+ struct rte_compressdev *compressdev;
+ struct zsda_comp_dev_private *comp_dev;
+ const struct rte_compressdev_capabilities *capabilities;
+ uint16_t capa_size = sizeof(struct rte_compressdev_capabilities);
+
+ snprintf(name, RTE_COMPRESSDEV_NAME_MAX_LEN, "%s_%s",
+ zsda_pci_dev->name, "comp");
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ dev_info->comp_rte_dev.driver = &compdev_zsda_driver;
+ dev_info->comp_rte_dev.numa_node = dev_info->pci_dev->device.numa_node;
+ dev_info->comp_rte_dev.devargs = NULL;
+
+ compressdev = rte_compressdev_pmd_create(
+ name, &(dev_info->comp_rte_dev),
+ sizeof(struct zsda_comp_dev_private), &init_params);
+
+ if (compressdev == NULL)
+ return -ENODEV;
+
+ compressdev->dev_ops = &compress_zsda_ops;
+
+ compressdev->enqueue_burst = zsda_comp_pmd_enqueue_op_burst;
+ compressdev->dequeue_burst = zsda_comp_pmd_dequeue_op_burst;
+
+ compressdev->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED;
+
+ snprintf(capa_memz_name, RTE_COMPRESSDEV_NAME_MAX_LEN,
+ "ZSDA_COMP_CAPA");
+
+ comp_dev = compressdev->data->dev_private;
+ comp_dev->zsda_pci_dev = zsda_pci_dev;
+ comp_dev->compressdev = compressdev;
+ capabilities = zsda_comp_capabilities;
+
+ comp_dev->capa_mz = rte_memzone_lookup(capa_memz_name);
+ if (comp_dev->capa_mz == NULL) {
+ comp_dev->capa_mz = rte_memzone_reserve(
+ capa_memz_name, capa_size, rte_socket_id(), 0);
+ }
+ if (comp_dev->capa_mz == NULL) {
+ ZSDA_LOG(DEBUG, E_MALLOC);
+ memset(&dev_info->comp_rte_dev, 0,
+ sizeof(dev_info->comp_rte_dev));
+ rte_compressdev_pmd_destroy(compressdev);
+ return -EFAULT;
+ }
+
+ memcpy(comp_dev->capa_mz->addr, capabilities, capa_size);
+ comp_dev->zsda_dev_capabilities = comp_dev->capa_mz->addr;
+
+ zsda_pci_dev->comp_dev = comp_dev;
+
+ return 0;
+}
+
+int
+zsda_comp_dev_destroy(struct zsda_pci_device *zsda_pci_dev)
+{
+ struct zsda_comp_dev_private *comp_dev;
+
+ if (zsda_pci_dev == NULL)
+ return -ENODEV;
+
+ comp_dev = zsda_pci_dev->comp_dev;
+ if (comp_dev == NULL)
+ return 0;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ rte_memzone_free(zsda_pci_dev->comp_dev->capa_mz);
+
+ zsda_comp_dev_close(comp_dev->compressdev);
+
+ rte_compressdev_pmd_destroy(comp_dev->compressdev);
+ zsda_pci_dev->comp_dev = NULL;
+
+ return 0;
+}
diff --git a/drivers/compress/zsda/zsda_comp_pmd.h b/drivers/compress/zsda/zsda_comp_pmd.h
new file mode 100644
index 0000000000..b496cb53a5
--- /dev/null
+++ b/drivers/compress/zsda/zsda_comp_pmd.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2024 ZTE Corporation
+ */
+
+#ifndef _ZSDA_COMP_PMD_H_
+#define _ZSDA_COMP_PMD_H_
+
+#include <rte_compressdev_pmd.h>
+
+/**< ZSDA Compression PMD driver name */
+#define COMPRESSDEV_NAME_ZSDA_PMD compress_zsda
+
+/** private data structure for a ZSDA compression device.
+ * This ZSDA device is a device offering only a compression service,
+ * there can be one of these on each zsda_pci_device (VF).
+ */
+struct zsda_comp_dev_private {
+ struct zsda_pci_device *zsda_pci_dev;
+ /**< The zsda pci device hosting the service */
+ struct rte_compressdev *compressdev;
+ /**< The pointer to this compression device structure */
+ const struct rte_compressdev_capabilities *zsda_dev_capabilities;
+ /* ZSDA device compression capabilities */
+ const struct rte_memzone *interim_buff_mz;
+ /**< The device's memory for intermediate buffers */
+ struct rte_mempool *xformpool;
+ /**< The device's pool for zsda_comp_xforms */
+ struct rte_mempool *streampool;
+ /**< The device's pool for zsda_comp_streams */
+ const struct rte_memzone *capa_mz;
+ /* Shared memzone for storing capabilities */
+ uint16_t min_enq_burst_threshold;
+};
+
+int zsda_comp_dev_create(struct zsda_pci_device *zsda_pci_dev);
+
+int zsda_comp_dev_destroy(struct zsda_pci_device *zsda_pci_dev);
+
+#endif /* _ZSDA_COMP_PMD_H_ */
diff --git a/drivers/meson.build b/drivers/meson.build
index 66931d4241..cdbd3b1c17 100644
--- a/drivers/meson.build
+++ b/drivers/meson.build
@@ -17,6 +17,7 @@ subdirs = [
'common/nitrox', # depends on bus.
'common/qat', # depends on bus.
'common/sfc_efx', # depends on bus.
+ 'common/zsda', # depends on bus.
'mempool', # depends on common and bus.
'dma', # depends on common and bus.
'net', # depends on common, bus, mempool
--
2.27.0
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end of thread, other threads:[~2024-08-21 14:54 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-08-15 2:54 [PATCH v2 1/4] zsda: Introduce zsda device drivers Hanxiao Li
2024-08-15 2:54 ` [PATCH v2 2/4] zsda: add support for zsdadev operations Hanxiao Li
2024-08-15 2:54 ` [PATCH v2 3/4] zsda: add support for queue operation Hanxiao Li
2024-08-21 14:53 ` Stephen Hemminger
2024-08-15 2:54 ` [PATCH v2 4/4] zsda: add zsda compressdev driver and interface Hanxiao Li
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