diff options
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/qplib_rcfw.h')
| -rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_rcfw.h | 134 |
1 files changed, 101 insertions, 33 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h index 9474c0046582..988c89b4232e 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h @@ -39,37 +39,40 @@ #ifndef __BNXT_QPLIB_RCFW_H__ #define __BNXT_QPLIB_RCFW_H__ +#include "qplib_tlv.h" + #define RCFW_CMDQ_TRIG_VAL 1 #define RCFW_COMM_PCI_BAR_REGION 0 #define RCFW_COMM_CONS_PCI_BAR_REGION 2 #define RCFW_COMM_BASE_OFFSET 0x600 -#define RCFW_PF_COMM_PROD_OFFSET 0xc -#define RCFW_VF_COMM_PROD_OFFSET 0xc +#define RCFW_PF_VF_COMM_PROD_OFFSET 0xc #define RCFW_COMM_TRIG_OFFSET 0x100 #define RCFW_COMM_SIZE 0x104 #define RCFW_DBR_PCI_BAR_REGION 2 #define RCFW_DBR_BASE_PAGE_SHIFT 12 - -#define RCFW_CMD_PREP(req, CMD, cmd_flags) \ - do { \ - memset(&(req), 0, sizeof((req))); \ - (req).opcode = CMDQ_BASE_OPCODE_##CMD; \ - (req).cmd_size = sizeof((req)); \ - (req).flags = cpu_to_le16(cmd_flags); \ - } while (0) - -#define RCFW_CMD_WAIT_TIME_MS 20000 /* 20 Seconds timeout */ +#define RCFW_FW_STALL_MAX_TIMEOUT 40 /* Cmdq contains a fix number of a 16-Byte slots */ struct bnxt_qplib_cmdqe { u8 data[16]; }; -/* CMDQ elements */ -#define BNXT_QPLIB_CMDQE_MAX_CNT_256 256 -#define BNXT_QPLIB_CMDQE_MAX_CNT_8192 8192 #define BNXT_QPLIB_CMDQE_UNITS sizeof(struct bnxt_qplib_cmdqe) + +static inline void bnxt_qplib_rcfw_cmd_prep(struct cmdq_base *req, + u8 opcode, u8 cmd_size) +{ + req->opcode = opcode; + req->cmd_size = cmd_size; +} + +/* Shadow queue depth for non blocking command */ +#define RCFW_CMD_NON_BLOCKING_SHADOW_QD 64 +#define RCFW_CMD_WAIT_TIME_MS 20000 /* 20 Seconds timeout */ + +/* CMDQ elements */ +#define BNXT_QPLIB_CMDQE_MAX_CNT 8192 #define BNXT_QPLIB_CMDQE_BYTES(depth) ((depth) * BNXT_QPLIB_CMDQE_UNITS) static inline u32 bnxt_qplib_cmdqe_npages(u32 depth) @@ -87,18 +90,49 @@ static inline u32 bnxt_qplib_cmdqe_page_size(u32 depth) return (bnxt_qplib_cmdqe_npages(depth) * PAGE_SIZE); } -/* Set the cmd_size to a factor of CMDQE unit */ -static inline void bnxt_qplib_set_cmd_slots(struct cmdq_base *req) +/* Get the number of command units required for the req. The + * function returns correct value only if called before + * setting using bnxt_qplib_set_cmd_slots + */ +static inline u32 bnxt_qplib_get_cmd_slots(struct cmdq_base *req) +{ + u32 cmd_units = 0; + + if (HAS_TLV_HEADER(req)) { + struct roce_tlv *tlv_req = (struct roce_tlv *)req; + + cmd_units = tlv_req->total_size; + } else { + cmd_units = (req->cmd_size + BNXT_QPLIB_CMDQE_UNITS - 1) / + BNXT_QPLIB_CMDQE_UNITS; + } + + return cmd_units; +} + +static inline u32 bnxt_qplib_set_cmd_slots(struct cmdq_base *req) { - req->cmd_size = (req->cmd_size + BNXT_QPLIB_CMDQE_UNITS - 1) / - BNXT_QPLIB_CMDQE_UNITS; + u32 cmd_byte = 0; + + if (HAS_TLV_HEADER(req)) { + struct roce_tlv *tlv_req = (struct roce_tlv *)req; + + cmd_byte = tlv_req->total_size * BNXT_QPLIB_CMDQE_UNITS; + } else { + cmd_byte = req->cmd_size; + req->cmd_size = (req->cmd_size + BNXT_QPLIB_CMDQE_UNITS - 1) / + BNXT_QPLIB_CMDQE_UNITS; + } + + return cmd_byte; } -#define RCFW_MAX_COOKIE_VALUE 0x7FFF +#define RCFW_MAX_COOKIE_VALUE (BNXT_QPLIB_CMDQE_MAX_CNT - 1) #define RCFW_CMD_IS_BLOCKING 0x8000 -#define RCFW_BLOCKED_CMD_WAIT_COUNT 0x4E20 -#define HWRM_VERSION_RCFW_CMDQ_DEPTH_CHECK 0x1000900020011ULL +#define HWRM_VERSION_DEV_ATTR_MAX_DPI 0x1000A0000000DULL +/* HWRM version 1.10.3.18 */ +#define HWRM_VERSION_READ_CTX 0x1000A00030012 /* Crsq buf is 1024-Byte */ struct bnxt_qplib_crsbe { @@ -109,9 +143,9 @@ struct bnxt_qplib_crsbe { /* Allocate 1 per QP for async error notification for now */ #define BNXT_QPLIB_CREQE_MAX_CNT (64 * 1024) #define BNXT_QPLIB_CREQE_UNITS 16 /* 16-Bytes per prod unit */ -#define CREQ_CMP_VALID(hdr, raw_cons, cp_bit) \ +#define CREQ_CMP_VALID(hdr, pass) \ (!!((hdr)->v & CREQ_BASE_V) == \ - !((raw_cons) & (cp_bit))) + !((pass) & BNXT_QPLIB_FLAG_EPOCH_CONS_MASK)) #define CREQ_ENTRY_POLL_BUDGET 0x100 /* HWQ */ @@ -120,6 +154,12 @@ typedef int (*aeq_handler_t)(struct bnxt_qplib_rcfw *, void *, void *); struct bnxt_qplib_crsqe { struct creq_qp_event *resp; u32 req_size; + /* Free slots at the time of submission */ + u32 free_slots; + u8 opcode; + bool is_waiter_alive; + bool is_internal_cmd; + bool is_in_used; }; struct bnxt_qplib_rcfw_sbuf { @@ -137,7 +177,7 @@ struct bnxt_qplib_qp_node { #define FIRMWARE_INITIALIZED_FLAG (0) #define FIRMWARE_FIRST_FLAG (31) -#define FIRMWARE_TIMED_OUT (3) +#define FIRMWARE_STALL_DETECTED (3) #define ERR_DEVICE_DETACHED (4) struct bnxt_qplib_cmdq_mbox { @@ -151,8 +191,7 @@ struct bnxt_qplib_cmdq_ctx { struct bnxt_qplib_cmdq_mbox cmdq_mbox; wait_queue_head_t waitq; unsigned long flags; - unsigned long *cmdq_bitmap; - u32 bmap_size; + unsigned long last_seen; u32 seq_num; }; @@ -175,6 +214,7 @@ struct bnxt_qplib_creq_ctx { u16 ring_id; int msix_vec; bool requested; /*irq handler installed */ + char *irq_name; }; /* RCFW Communication Channels */ @@ -186,23 +226,51 @@ struct bnxt_qplib_rcfw { struct bnxt_qplib_crsqe *crsqe_tbl; int qp_tbl_size; struct bnxt_qplib_qp_node *qp_tbl; + /* To synchronize the qp-handle hash table */ + spinlock_t tbl_lock; u64 oos_prev; u32 init_oos_stats; u32 cmdq_depth; + atomic_t rcfw_intr_enabled; + struct semaphore rcfw_inflight; + atomic_t timeout_send; + /* cached from chip cctx for quick reference in slow path */ + u16 max_timeout; + bool roce_mirror; +}; + +struct bnxt_qplib_cmdqmsg { + struct cmdq_base *req; + struct creq_base *resp; + void *sb; + u32 req_sz; + u32 res_sz; + u8 block; }; +static inline void bnxt_qplib_fill_cmdqmsg(struct bnxt_qplib_cmdqmsg *msg, + void *req, void *resp, void *sb, + u32 req_sz, u32 res_sz, u8 block) +{ + msg->req = req; + msg->resp = resp; + msg->sb = sb; + msg->req_sz = req_sz; + msg->res_sz = res_sz; + msg->block = block; +} + void bnxt_qplib_free_rcfw_channel(struct bnxt_qplib_rcfw *rcfw); int bnxt_qplib_alloc_rcfw_channel(struct bnxt_qplib_res *res, struct bnxt_qplib_rcfw *rcfw, - struct bnxt_qplib_ctx *ctx, - int qp_tbl_sz); + struct bnxt_qplib_ctx *ctx); void bnxt_qplib_rcfw_stop_irq(struct bnxt_qplib_rcfw *rcfw, bool kill); void bnxt_qplib_disable_rcfw_channel(struct bnxt_qplib_rcfw *rcfw); int bnxt_qplib_rcfw_start_irq(struct bnxt_qplib_rcfw *rcfw, int msix_vector, bool need_init); int bnxt_qplib_enable_rcfw_channel(struct bnxt_qplib_rcfw *rcfw, int msix_vector, - int cp_bar_reg_off, int virt_fn, + int cp_bar_reg_off, aeq_handler_t aeq_handler); struct bnxt_qplib_rcfw_sbuf *bnxt_qplib_rcfw_alloc_sbuf( @@ -211,16 +279,16 @@ struct bnxt_qplib_rcfw_sbuf *bnxt_qplib_rcfw_alloc_sbuf( void bnxt_qplib_rcfw_free_sbuf(struct bnxt_qplib_rcfw *rcfw, struct bnxt_qplib_rcfw_sbuf *sbuf); int bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw, - struct cmdq_base *req, struct creq_base *resp, - void *sbuf, u8 is_block); + struct bnxt_qplib_cmdqmsg *msg); int bnxt_qplib_deinit_rcfw(struct bnxt_qplib_rcfw *rcfw); int bnxt_qplib_init_rcfw(struct bnxt_qplib_rcfw *rcfw, struct bnxt_qplib_ctx *ctx, int is_virtfn); void bnxt_qplib_mark_qp_error(void *qp_handle); + static inline u32 map_qp_id_to_tbl_indx(u32 qid, struct bnxt_qplib_rcfw *rcfw) { /* Last index of the qp_tbl is for QP1 ie. qp_tbl_size - 1*/ - return (qid == 1) ? rcfw->qp_tbl_size - 1 : qid % rcfw->qp_tbl_size - 2; + return (qid == 1) ? rcfw->qp_tbl_size - 1 : (qid % (rcfw->qp_tbl_size - 2)); } #endif /* __BNXT_QPLIB_RCFW_H__ */ |