#define FPGA_5GNR_FEC_PF_DEVICE_ID (0x0D8F)
#define FPGA_5GNR_FEC_VF_DEVICE_ID (0x0D90)
+/* Align DMA descriptors to 256 bytes - cache-aligned */
+#define FPGA_RING_DESC_ENTRY_LENGTH (8)
+/* Ring size is in 256 bits (32 bytes) units */
+#define FPGA_RING_DESC_LEN_UNIT_BYTES (32)
+/* Maximum size of queue */
+#define FPGA_RING_MAX_SIZE (1024)
+#define FPGA_FLR_TIMEOUT_UNIT (16.384)
+
+#define FPGA_NUM_UL_QUEUES (32)
+#define FPGA_NUM_DL_QUEUES (32)
+#define FPGA_TOTAL_NUM_QUEUES (FPGA_NUM_UL_QUEUES + FPGA_NUM_DL_QUEUES)
+#define FPGA_NUM_INTR_VEC (FPGA_TOTAL_NUM_QUEUES - RTE_INTR_VEC_RXTX_OFFSET)
+
+#define FPGA_INVALID_HW_QUEUE_ID (0xFFFFFFFF)
+
+#define FPGA_QUEUE_FLUSH_TIMEOUT_US (1000)
+#define FPGA_HARQ_RDY_TIMEOUT (10)
+#define FPGA_TIMEOUT_CHECK_INTERVAL (5)
+#define FPGA_DDR_OVERFLOW (0x10)
+
+#define FPGA_5GNR_FEC_DDR_WR_DATA_LEN_IN_BYTES 8
+#define FPGA_5GNR_FEC_DDR_RD_DATA_LEN_IN_BYTES 8
+
+/* Constants from K0 computation from 3GPP 38.212 Table 5.4.2.1-2 */
+#define N_ZC_1 66 /* N = 66 Zc for BG 1 */
+#define N_ZC_2 50 /* N = 50 Zc for BG 2 */
+#define K0_1_1 17 /* K0 fraction numerator for rv 1 and BG 1 */
+#define K0_1_2 13 /* K0 fraction numerator for rv 1 and BG 2 */
+#define K0_2_1 33 /* K0 fraction numerator for rv 2 and BG 1 */
+#define K0_2_2 25 /* K0 fraction numerator for rv 2 and BG 2 */
+#define K0_3_1 56 /* K0 fraction numerator for rv 3 and BG 1 */
+#define K0_3_2 43 /* K0 fraction numerator for rv 3 and BG 2 */
+
+/* FPGA 5GNR FEC Register mapping on BAR0 */
+enum {
+ FPGA_5GNR_FEC_VERSION_ID = 0x00000000, /* len: 4B */
+ FPGA_5GNR_FEC_CONFIGURATION = 0x00000004, /* len: 2B */
+ FPGA_5GNR_FEC_QUEUE_PF_VF_MAP_DONE = 0x00000008, /* len: 1B */
+ FPGA_5GNR_FEC_LOAD_BALANCE_FACTOR = 0x0000000a, /* len: 2B */
+ FPGA_5GNR_FEC_RING_DESC_LEN = 0x0000000c, /* len: 2B */
+ FPGA_5GNR_FEC_FLR_TIME_OUT = 0x0000000e, /* len: 2B */
+ FPGA_5GNR_FEC_VFQ_FLUSH_STATUS_LW = 0x00000018, /* len: 4B */
+ FPGA_5GNR_FEC_VFQ_FLUSH_STATUS_HI = 0x0000001c, /* len: 4B */
+ FPGA_5GNR_FEC_QUEUE_MAP = 0x00000040, /* len: 256B */
+ FPGA_5GNR_FEC_RING_CTRL_REGS = 0x00000200, /* len: 2048B */
+ FPGA_5GNR_FEC_DDR4_WR_ADDR_REGS = 0x00000A00, /* len: 4B */
+ FPGA_5GNR_FEC_DDR4_WR_DATA_REGS = 0x00000A08, /* len: 8B */
+ FPGA_5GNR_FEC_DDR4_WR_DONE_REGS = 0x00000A10, /* len: 1B */
+ FPGA_5GNR_FEC_DDR4_RD_ADDR_REGS = 0x00000A18, /* len: 4B */
+ FPGA_5GNR_FEC_DDR4_RD_DONE_REGS = 0x00000A20, /* len: 1B */
+ FPGA_5GNR_FEC_DDR4_RD_RDY_REGS = 0x00000A28, /* len: 1B */
+ FPGA_5GNR_FEC_DDR4_RD_DATA_REGS = 0x00000A30, /* len: 8B */
+ FPGA_5GNR_FEC_DDR4_ADDR_RDY_REGS = 0x00000A38, /* len: 1B */
+ FPGA_5GNR_FEC_HARQ_BUF_SIZE_RDY_REGS = 0x00000A40, /* len: 1B */
+ FPGA_5GNR_FEC_HARQ_BUF_SIZE_REGS = 0x00000A48 /* len: 4B */
+};
+
+/* FPGA 5GNR FEC Ring Control Registers */
+enum {
+ FPGA_5GNR_FEC_RING_HEAD_ADDR = 0x00000008,
+ FPGA_5GNR_FEC_RING_SIZE = 0x00000010,
+ FPGA_5GNR_FEC_RING_MISC = 0x00000014,
+ FPGA_5GNR_FEC_RING_ENABLE = 0x00000015,
+ FPGA_5GNR_FEC_RING_FLUSH_QUEUE_EN = 0x00000016,
+ FPGA_5GNR_FEC_RING_SHADOW_TAIL = 0x00000018,
+ FPGA_5GNR_FEC_RING_HEAD_POINT = 0x0000001C
+};
+
+/* FPGA 5GNR FEC DESCRIPTOR ERROR */
+enum {
+ DESC_ERR_NO_ERR = 0x0,
+ DESC_ERR_K_P_OUT_OF_RANGE = 0x1,
+ DESC_ERR_Z_C_NOT_LEGAL = 0x2,
+ DESC_ERR_DESC_OFFSET_ERR = 0x3,
+ DESC_ERR_DESC_READ_FAIL = 0x8,
+ DESC_ERR_DESC_READ_TIMEOUT = 0x9,
+ DESC_ERR_DESC_READ_TLP_POISONED = 0xA,
+ DESC_ERR_CB_READ_FAIL = 0xC,
+ DESC_ERR_CB_READ_TIMEOUT = 0xD,
+ DESC_ERR_CB_READ_TLP_POISONED = 0xE,
+ DESC_ERR_HBSTORE_ERR = 0xF
+};
+
+
+/* FPGA 5GNR FEC DMA Encoding Request Descriptor */
+struct __rte_packed fpga_dma_enc_desc {
+ uint32_t done:1,
+ rsrvd0:7,
+ error:4,
+ rsrvd1:4,
+ num_null:10,
+ rsrvd2:6;
+ uint32_t ncb:15,
+ rsrvd3:1,
+ k0:16;
+ uint32_t irq_en:1,
+ crc_en:1,
+ rsrvd4:1,
+ qm_idx:3,
+ bg_idx:1,
+ zc:9,
+ desc_idx:10,
+ rsrvd5:6;
+ uint16_t rm_e;
+ uint16_t k_;
+ uint32_t out_addr_lw;
+ uint32_t out_addr_hi;
+ uint32_t in_addr_lw;
+ uint32_t in_addr_hi;
+
+ union {
+ struct {
+ /* Virtual addresses used to retrieve SW context info */
+ void *op_addr;
+ /* Stores information about total number of Code Blocks
+ * in currently processed Transport Block
+ */
+ uint64_t cbs_in_op;
+ };
+
+ uint8_t sw_ctxt[FPGA_RING_DESC_LEN_UNIT_BYTES *
+ (FPGA_RING_DESC_ENTRY_LENGTH - 1)];
+ };
+};
+
+
+/* FPGA 5GNR DPC FEC DMA Decoding Request Descriptor */
+struct __rte_packed fpga_dma_dec_desc {
+ uint32_t done:1,
+ iter:5,
+ et_pass:1,
+ crcb_pass:1,
+ error:4,
+ qm_idx:3,
+ max_iter:5,
+ bg_idx:1,
+ rsrvd0:1,
+ harqin_en:1,
+ zc:9;
+ uint32_t hbstroe_offset:22,
+ num_null:10;
+ uint32_t irq_en:1,
+ ncb:15,
+ desc_idx:10,
+ drop_crc24b:1,
+ crc24b_ind:1,
+ rv:2,
+ et_dis:1,
+ rsrvd2:1;
+ uint32_t harq_input_length:16,
+ rm_e:16;/*the inbound data byte length*/
+ uint32_t out_addr_lw;
+ uint32_t out_addr_hi;
+ uint32_t in_addr_lw;
+ uint32_t in_addr_hi;
+
+ union {
+ struct {
+ /* Virtual addresses used to retrieve SW context info */
+ void *op_addr;
+ /* Stores information about total number of Code Blocks
+ * in currently processed Transport Block
+ */
+ uint8_t cbs_in_op;
+ };
+
+ uint32_t sw_ctxt[8 * (FPGA_RING_DESC_ENTRY_LENGTH - 1)];
+ };
+};
+
+/* FPGA 5GNR DMA Descriptor */
+union fpga_dma_desc {
+ struct fpga_dma_enc_desc enc_req;
+ struct fpga_dma_dec_desc dec_req;
+};
+
+/* FPGA 5GNR FEC Ring Control Register */
+struct __rte_packed fpga_ring_ctrl_reg {
+ uint64_t ring_base_addr;
+ uint64_t ring_head_addr;
+ uint16_t ring_size:11;
+ uint16_t rsrvd0;
+ union { /* Miscellaneous register */
+ uint8_t misc;
+ uint8_t max_ul_dec:5,
+ max_ul_dec_en:1,
+ rsrvd1:2;
+ };
+ uint8_t enable;
+ uint8_t flush_queue_en;
+ uint8_t rsrvd2;
+ uint16_t shadow_tail;
+ uint16_t rsrvd3;
+ uint16_t head_point;
+ uint16_t rsrvd4;
+
+};
+
/* Private data structure for each FPGA FEC device */
struct fpga_5gnr_fec_device {
/** Base address of MMIO registers (BAR0) */
void *mmio_base;
+ /** Base address of memory for sw rings */
+ void *sw_rings;
+ /** Physical address of sw_rings */
+ rte_iova_t sw_rings_phys;
+ /** Number of bytes available for each queue in device. */
+ uint32_t sw_ring_size;
+ /** Max number of entries available for each queue in device */
+ uint32_t sw_ring_max_depth;
+ /** Base address of response tail pointer buffer */
+ uint32_t *tail_ptrs;
+ /** Physical address of tail pointers */
+ rte_iova_t tail_ptr_phys;
+ /** Queues flush completion flag */
+ uint64_t *flush_queue_status;
+ /* Bitmap capturing which Queues are bound to the PF/VF */
+ uint64_t q_bound_bit_map;
+ /* Bitmap capturing which Queues have already been assigned */
+ uint64_t q_assigned_bit_map;
/** True if this is a PF FPGA FEC device */
bool pf_device;
};
+/* Structure associated with each queue. */
+struct __rte_cache_aligned fpga_queue {
+ struct fpga_ring_ctrl_reg ring_ctrl_reg; /* Ring Control Register */
+ union fpga_dma_desc *ring_addr; /* Virtual address of software ring */
+ uint64_t *ring_head_addr; /* Virtual address of completion_head */
+ uint64_t shadow_completion_head; /* Shadow completion head value */
+ uint16_t head_free_desc; /* Ring head */
+ uint16_t tail; /* Ring tail */
+ /* Mask used to wrap enqueued descriptors on the sw ring */
+ uint32_t sw_ring_wrap_mask;
+ uint32_t irq_enable; /* Enable ops dequeue interrupts if set to 1 */
+ uint8_t q_idx; /* Queue index */
+ struct fpga_5gnr_fec_device *d;
+ /* MMIO register of shadow_tail used to enqueue descriptors */
+ void *shadow_tail_addr;
+};
+
+/* Write to 16 bit MMIO register address */
+static inline void
+mmio_write_16(void *addr, uint16_t value)
+{
+ *((volatile uint16_t *)(addr)) = rte_cpu_to_le_16(value);
+}
+
+/* Write to 32 bit MMIO register address */
+static inline void
+mmio_write_32(void *addr, uint32_t value)
+{
+ *((volatile uint32_t *)(addr)) = rte_cpu_to_le_32(value);
+}
+
+/* Write to 64 bit MMIO register address */
+static inline void
+mmio_write_64(void *addr, uint64_t value)
+{
+ *((volatile uint64_t *)(addr)) = rte_cpu_to_le_64(value);
+}
+
+/* Write a 8 bit register of a FPGA 5GNR FEC device */
+static inline void
+fpga_reg_write_8(void *mmio_base, uint32_t offset, uint8_t payload)
+{
+ void *reg_addr = RTE_PTR_ADD(mmio_base, offset);
+ *((volatile uint8_t *)(reg_addr)) = payload;
+}
+
+/* Write a 16 bit register of a FPGA 5GNR FEC device */
+static inline void
+fpga_reg_write_16(void *mmio_base, uint32_t offset, uint16_t payload)
+{
+ void *reg_addr = RTE_PTR_ADD(mmio_base, offset);
+ mmio_write_16(reg_addr, payload);
+}
+
+/* Write a 32 bit register of a FPGA 5GNR FEC device */
+static inline void
+fpga_reg_write_32(void *mmio_base, uint32_t offset, uint32_t payload)
+{
+ void *reg_addr = RTE_PTR_ADD(mmio_base, offset);
+ mmio_write_32(reg_addr, payload);
+}
+
+/* Write a 64 bit register of a FPGA 5GNR FEC device */
+static inline void
+fpga_reg_write_64(void *mmio_base, uint32_t offset, uint64_t payload)
+{
+ void *reg_addr = RTE_PTR_ADD(mmio_base, offset);
+ mmio_write_64(reg_addr, payload);
+}
+
+/* Write a ring control register of a FPGA 5GNR FEC device */
+static inline void
+fpga_ring_reg_write(void *mmio_base, uint32_t offset,
+ struct fpga_ring_ctrl_reg payload)
+{
+ fpga_reg_write_64(mmio_base, offset, payload.ring_base_addr);
+ fpga_reg_write_64(mmio_base, offset + FPGA_5GNR_FEC_RING_HEAD_ADDR,
+ payload.ring_head_addr);
+ fpga_reg_write_16(mmio_base, offset + FPGA_5GNR_FEC_RING_SIZE,
+ payload.ring_size);
+ fpga_reg_write_16(mmio_base, offset + FPGA_5GNR_FEC_RING_HEAD_POINT,
+ payload.head_point);
+ fpga_reg_write_8(mmio_base, offset + FPGA_5GNR_FEC_RING_FLUSH_QUEUE_EN,
+ payload.flush_queue_en);
+ fpga_reg_write_16(mmio_base, offset + FPGA_5GNR_FEC_RING_SHADOW_TAIL,
+ payload.shadow_tail);
+ fpga_reg_write_8(mmio_base, offset + FPGA_5GNR_FEC_RING_MISC,
+ payload.misc);
+ fpga_reg_write_8(mmio_base, offset + FPGA_5GNR_FEC_RING_ENABLE,
+ payload.enable);
+}
+
+/* Read a register of FPGA 5GNR FEC device */
+static inline uint32_t
+fpga_reg_read_32(void *mmio_base, uint32_t offset)
+{
+ void *reg_addr = RTE_PTR_ADD(mmio_base, offset);
+ uint32_t ret = *((volatile uint32_t *)(reg_addr));
+ return rte_le_to_cpu_32(ret);
+}
+
+#ifdef RTE_LIBRTE_BBDEV_DEBUG
+
+/* Read a register of FPGA 5GNR FEC device */
+static inline uint16_t
+fpga_reg_read_16(void *mmio_base, uint32_t offset)
+{
+ void *reg_addr = RTE_PTR_ADD(mmio_base, offset);
+ uint16_t ret = *((volatile uint16_t *)(reg_addr));
+ return rte_le_to_cpu_16(ret);
+}
+
+#endif
+
+/* Read a register of FPGA 5GNR FEC device */
+static inline uint8_t
+fpga_reg_read_8(void *mmio_base, uint32_t offset)
+{
+ void *reg_addr = RTE_PTR_ADD(mmio_base, offset);
+ return *((volatile uint8_t *)(reg_addr));
+}
+
+/* Read a register of FPGA 5GNR FEC device */
+static inline uint64_t
+fpga_reg_read_64(void *mmio_base, uint32_t offset)
+{
+ void *reg_addr = RTE_PTR_ADD(mmio_base, offset);
+ uint64_t ret = *((volatile uint64_t *)(reg_addr));
+ return rte_le_to_cpu_64(ret);
+}
+
#endif /* _FPGA_5GNR_FEC_H_ */
git.droids-corp.org / dpdk.git / blobdiff