diff options
Diffstat (limited to 'drivers/infiniband/hw/cxgb3/cxio_wr.h')
-rw-r--r-- | drivers/infiniband/hw/cxgb3/cxio_wr.h | 802 |
1 files changed, 0 insertions, 802 deletions
diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h deleted file mode 100644 index 53aa5c36247a..000000000000 --- a/drivers/infiniband/hw/cxgb3/cxio_wr.h +++ /dev/null @@ -1,802 +0,0 @@ -/* - * Copyright (c) 2006 Chelsio, Inc. All rights reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ -#ifndef __CXIO_WR_H__ -#define __CXIO_WR_H__ - -#include <asm/io.h> -#include <linux/pci.h> -#include <linux/timer.h> -#include "firmware_exports.h" - -#define T3_MAX_SGE 4 -#define T3_MAX_INLINE 64 -#define T3_STAG0_PBL_SIZE (2 * T3_MAX_SGE << 3) -#define T3_STAG0_MAX_PBE_LEN (128 * 1024 * 1024) -#define T3_STAG0_PAGE_SHIFT 15 - -#define Q_EMPTY(rptr,wptr) ((rptr)==(wptr)) -#define Q_FULL(rptr,wptr,size_log2) ( (((wptr)-(rptr))>>(size_log2)) && \ - ((rptr)!=(wptr)) ) -#define Q_GENBIT(ptr,size_log2) (!(((ptr)>>size_log2)&0x1)) -#define Q_FREECNT(rptr,wptr,size_log2) ((1UL<<size_log2)-((wptr)-(rptr))) -#define Q_COUNT(rptr,wptr) ((wptr)-(rptr)) -#define Q_PTR2IDX(ptr,size_log2) (ptr & ((1UL<<size_log2)-1)) - -static inline void ring_doorbell(void __iomem *doorbell, u32 qpid) -{ - writel(((1<<31) | qpid), doorbell); -} - -#define SEQ32_GE(x,y) (!( (((u32) (x)) - ((u32) (y))) & 0x80000000 )) - -enum t3_wr_flags { - T3_COMPLETION_FLAG = 0x01, - T3_NOTIFY_FLAG = 0x02, - T3_SOLICITED_EVENT_FLAG = 0x04, - T3_READ_FENCE_FLAG = 0x08, - T3_LOCAL_FENCE_FLAG = 0x10 -} __packed; - -enum t3_wr_opcode { - T3_WR_BP = FW_WROPCODE_RI_BYPASS, - T3_WR_SEND = FW_WROPCODE_RI_SEND, - T3_WR_WRITE = FW_WROPCODE_RI_RDMA_WRITE, - T3_WR_READ = FW_WROPCODE_RI_RDMA_READ, - T3_WR_INV_STAG = FW_WROPCODE_RI_LOCAL_INV, - T3_WR_BIND = FW_WROPCODE_RI_BIND_MW, - T3_WR_RCV = FW_WROPCODE_RI_RECEIVE, - T3_WR_INIT = FW_WROPCODE_RI_RDMA_INIT, - T3_WR_QP_MOD = FW_WROPCODE_RI_MODIFY_QP, - T3_WR_FASTREG = FW_WROPCODE_RI_FASTREGISTER_MR -} __packed; - -enum t3_rdma_opcode { - T3_RDMA_WRITE, /* IETF RDMAP v1.0 ... */ - T3_READ_REQ, - T3_READ_RESP, - T3_SEND, - T3_SEND_WITH_INV, - T3_SEND_WITH_SE, - T3_SEND_WITH_SE_INV, - T3_TERMINATE, - T3_RDMA_INIT, /* CHELSIO RI specific ... */ - T3_BIND_MW, - T3_FAST_REGISTER, - T3_LOCAL_INV, - T3_QP_MOD, - T3_BYPASS, - T3_RDMA_READ_REQ_WITH_INV, -} __packed; - -static inline enum t3_rdma_opcode wr2opcode(enum t3_wr_opcode wrop) -{ - switch (wrop) { - case T3_WR_BP: return T3_BYPASS; - case T3_WR_SEND: return T3_SEND; - case T3_WR_WRITE: return T3_RDMA_WRITE; - case T3_WR_READ: return T3_READ_REQ; - case T3_WR_INV_STAG: return T3_LOCAL_INV; - case T3_WR_BIND: return T3_BIND_MW; - case T3_WR_INIT: return T3_RDMA_INIT; - case T3_WR_QP_MOD: return T3_QP_MOD; - case T3_WR_FASTREG: return T3_FAST_REGISTER; - default: break; - } - return -1; -} - - -/* Work request id */ -union t3_wrid { - struct { - u32 hi; - u32 low; - } id0; - u64 id1; -}; - -#define WRID(wrid) (wrid.id1) -#define WRID_GEN(wrid) (wrid.id0.wr_gen) -#define WRID_IDX(wrid) (wrid.id0.wr_idx) -#define WRID_LO(wrid) (wrid.id0.wr_lo) - -struct fw_riwrh { - __be32 op_seop_flags; - __be32 gen_tid_len; -}; - -#define S_FW_RIWR_OP 24 -#define M_FW_RIWR_OP 0xff -#define V_FW_RIWR_OP(x) ((x) << S_FW_RIWR_OP) -#define G_FW_RIWR_OP(x) ((((x) >> S_FW_RIWR_OP)) & M_FW_RIWR_OP) - -#define S_FW_RIWR_SOPEOP 22 -#define M_FW_RIWR_SOPEOP 0x3 -#define V_FW_RIWR_SOPEOP(x) ((x) << S_FW_RIWR_SOPEOP) - -#define S_FW_RIWR_FLAGS 8 -#define M_FW_RIWR_FLAGS 0x3fffff -#define V_FW_RIWR_FLAGS(x) ((x) << S_FW_RIWR_FLAGS) -#define G_FW_RIWR_FLAGS(x) ((((x) >> S_FW_RIWR_FLAGS)) & M_FW_RIWR_FLAGS) - -#define S_FW_RIWR_TID 8 -#define V_FW_RIWR_TID(x) ((x) << S_FW_RIWR_TID) - -#define S_FW_RIWR_LEN 0 -#define V_FW_RIWR_LEN(x) ((x) << S_FW_RIWR_LEN) - -#define S_FW_RIWR_GEN 31 -#define V_FW_RIWR_GEN(x) ((x) << S_FW_RIWR_GEN) - -struct t3_sge { - __be32 stag; - __be32 len; - __be64 to; -}; - -/* If num_sgle is zero, flit 5+ contains immediate data.*/ -struct t3_send_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - - u8 rdmaop; /* 2 */ - u8 reserved[3]; - __be32 rem_stag; - __be32 plen; /* 3 */ - __be32 num_sgle; - struct t3_sge sgl[T3_MAX_SGE]; /* 4+ */ -}; - -#define T3_MAX_FASTREG_DEPTH 10 -#define T3_MAX_FASTREG_FRAG 10 - -struct t3_fastreg_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - __be32 stag; /* 2 */ - __be32 len; - __be32 va_base_hi; /* 3 */ - __be32 va_base_lo_fbo; - __be32 page_type_perms; /* 4 */ - __be32 reserved1; - __be64 pbl_addrs[0]; /* 5+ */ -}; - -/* - * If a fastreg wr spans multiple wqes, then the 2nd fragment look like this. - */ -struct t3_pbl_frag { - struct fw_riwrh wrh; /* 0 */ - __be64 pbl_addrs[14]; /* 1..14 */ -}; - -#define S_FR_PAGE_COUNT 24 -#define M_FR_PAGE_COUNT 0xff -#define V_FR_PAGE_COUNT(x) ((x) << S_FR_PAGE_COUNT) -#define G_FR_PAGE_COUNT(x) ((((x) >> S_FR_PAGE_COUNT)) & M_FR_PAGE_COUNT) - -#define S_FR_PAGE_SIZE 16 -#define M_FR_PAGE_SIZE 0x1f -#define V_FR_PAGE_SIZE(x) ((x) << S_FR_PAGE_SIZE) -#define G_FR_PAGE_SIZE(x) ((((x) >> S_FR_PAGE_SIZE)) & M_FR_PAGE_SIZE) - -#define S_FR_TYPE 8 -#define M_FR_TYPE 0x1 -#define V_FR_TYPE(x) ((x) << S_FR_TYPE) -#define G_FR_TYPE(x) ((((x) >> S_FR_TYPE)) & M_FR_TYPE) - -#define S_FR_PERMS 0 -#define M_FR_PERMS 0xff -#define V_FR_PERMS(x) ((x) << S_FR_PERMS) -#define G_FR_PERMS(x) ((((x) >> S_FR_PERMS)) & M_FR_PERMS) - -struct t3_local_inv_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - __be32 stag; /* 2 */ - __be32 reserved; -}; - -struct t3_rdma_write_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - u8 rdmaop; /* 2 */ - u8 reserved[3]; - __be32 stag_sink; - __be64 to_sink; /* 3 */ - __be32 plen; /* 4 */ - __be32 num_sgle; - struct t3_sge sgl[T3_MAX_SGE]; /* 5+ */ -}; - -struct t3_rdma_read_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - u8 rdmaop; /* 2 */ - u8 local_inv; - u8 reserved[2]; - __be32 rem_stag; - __be64 rem_to; /* 3 */ - __be32 local_stag; /* 4 */ - __be32 local_len; - __be64 local_to; /* 5 */ -}; - -struct t3_bind_mw_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - u16 reserved; /* 2 */ - u8 type; - u8 perms; - __be32 mr_stag; - __be32 mw_stag; /* 3 */ - __be32 mw_len; - __be64 mw_va; /* 4 */ - __be32 mr_pbl_addr; /* 5 */ - u8 reserved2[3]; - u8 mr_pagesz; -}; - -struct t3_receive_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - u8 pagesz[T3_MAX_SGE]; - __be32 num_sgle; /* 2 */ - struct t3_sge sgl[T3_MAX_SGE]; /* 3+ */ - __be32 pbl_addr[T3_MAX_SGE]; -}; - -struct t3_bypass_wr { - struct fw_riwrh wrh; - union t3_wrid wrid; /* 1 */ -}; - -struct t3_modify_qp_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - __be32 flags; /* 2 */ - __be32 quiesce; /* 2 */ - __be32 max_ird; /* 3 */ - __be32 max_ord; /* 3 */ - __be64 sge_cmd; /* 4 */ - __be64 ctx1; /* 5 */ - __be64 ctx0; /* 6 */ -}; - -enum t3_modify_qp_flags { - MODQP_QUIESCE = 0x01, - MODQP_MAX_IRD = 0x02, - MODQP_MAX_ORD = 0x04, - MODQP_WRITE_EC = 0x08, - MODQP_READ_EC = 0x10, -}; - - -enum t3_mpa_attrs { - uP_RI_MPA_RX_MARKER_ENABLE = 0x1, - uP_RI_MPA_TX_MARKER_ENABLE = 0x2, - uP_RI_MPA_CRC_ENABLE = 0x4, - uP_RI_MPA_IETF_ENABLE = 0x8 -} __packed; - -enum t3_qp_caps { - uP_RI_QP_RDMA_READ_ENABLE = 0x01, - uP_RI_QP_RDMA_WRITE_ENABLE = 0x02, - uP_RI_QP_BIND_ENABLE = 0x04, - uP_RI_QP_FAST_REGISTER_ENABLE = 0x08, - uP_RI_QP_STAG0_ENABLE = 0x10 -} __packed; - -enum rdma_init_rtr_types { - RTR_READ = 1, - RTR_WRITE = 2, - RTR_SEND = 3, -}; - -#define S_RTR_TYPE 2 -#define M_RTR_TYPE 0x3 -#define V_RTR_TYPE(x) ((x) << S_RTR_TYPE) -#define G_RTR_TYPE(x) ((((x) >> S_RTR_TYPE)) & M_RTR_TYPE) - -#define S_CHAN 4 -#define M_CHAN 0x3 -#define V_CHAN(x) ((x) << S_CHAN) -#define G_CHAN(x) ((((x) >> S_CHAN)) & M_CHAN) - -struct t3_rdma_init_attr { - u32 tid; - u32 qpid; - u32 pdid; - u32 scqid; - u32 rcqid; - u32 rq_addr; - u32 rq_size; - enum t3_mpa_attrs mpaattrs; - enum t3_qp_caps qpcaps; - u16 tcp_emss; - u32 ord; - u32 ird; - u64 qp_dma_addr; - u32 qp_dma_size; - enum rdma_init_rtr_types rtr_type; - u16 flags; - u16 rqe_count; - u32 irs; - u32 chan; -}; - -struct t3_rdma_init_wr { - struct fw_riwrh wrh; /* 0 */ - union t3_wrid wrid; /* 1 */ - __be32 qpid; /* 2 */ - __be32 pdid; - __be32 scqid; /* 3 */ - __be32 rcqid; - __be32 rq_addr; /* 4 */ - __be32 rq_size; - u8 mpaattrs; /* 5 */ - u8 qpcaps; - __be16 ulpdu_size; - __be16 flags_rtr_type; - __be16 rqe_count; - __be32 ord; /* 6 */ - __be32 ird; - __be64 qp_dma_addr; /* 7 */ - __be32 qp_dma_size; /* 8 */ - __be32 irs; -}; - -struct t3_genbit { - u64 flit[15]; - __be64 genbit; -}; - -struct t3_wq_in_err { - u64 flit[13]; - u64 err; -}; - -enum rdma_init_wr_flags { - MPA_INITIATOR = (1<<0), - PRIV_QP = (1<<1), -}; - -union t3_wr { - struct t3_send_wr send; - struct t3_rdma_write_wr write; - struct t3_rdma_read_wr read; - struct t3_receive_wr recv; - struct t3_fastreg_wr fastreg; - struct t3_pbl_frag pbl_frag; - struct t3_local_inv_wr local_inv; - struct t3_bind_mw_wr bind; - struct t3_bypass_wr bypass; - struct t3_rdma_init_wr init; - struct t3_modify_qp_wr qp_mod; - struct t3_genbit genbit; - struct t3_wq_in_err wq_in_err; - __be64 flit[16]; -}; - -#define T3_SQ_CQE_FLIT 13 -#define T3_SQ_COOKIE_FLIT 14 - -#define T3_RQ_COOKIE_FLIT 13 -#define T3_RQ_CQE_FLIT 14 - -static inline enum t3_wr_opcode fw_riwrh_opcode(struct fw_riwrh *wqe) -{ - return G_FW_RIWR_OP(be32_to_cpu(wqe->op_seop_flags)); -} - -enum t3_wr_hdr_bits { - T3_EOP = 1, - T3_SOP = 2, - T3_SOPEOP = T3_EOP|T3_SOP, -}; - -static inline void build_fw_riwrh(struct fw_riwrh *wqe, enum t3_wr_opcode op, - enum t3_wr_flags flags, u8 genbit, u32 tid, - u8 len, u8 sopeop) -{ - wqe->op_seop_flags = cpu_to_be32(V_FW_RIWR_OP(op) | - V_FW_RIWR_SOPEOP(sopeop) | - V_FW_RIWR_FLAGS(flags)); - wmb(); - wqe->gen_tid_len = cpu_to_be32(V_FW_RIWR_GEN(genbit) | - V_FW_RIWR_TID(tid) | - V_FW_RIWR_LEN(len)); - /* 2nd gen bit... */ - ((union t3_wr *)wqe)->genbit.genbit = cpu_to_be64(genbit); -} - -/* - * T3 ULP2_TX commands - */ -enum t3_utx_mem_op { - T3_UTX_MEM_READ = 2, - T3_UTX_MEM_WRITE = 3 -}; - -/* T3 MC7 RDMA TPT entry format */ - -enum tpt_mem_type { - TPT_NON_SHARED_MR = 0x0, - TPT_SHARED_MR = 0x1, - TPT_MW = 0x2, - TPT_MW_RELAXED_PROTECTION = 0x3 -}; - -enum tpt_addr_type { - TPT_ZBTO = 0, - TPT_VATO = 1 -}; - -enum tpt_mem_perm { - TPT_MW_BIND = 0x10, - TPT_LOCAL_READ = 0x8, - TPT_LOCAL_WRITE = 0x4, - TPT_REMOTE_READ = 0x2, - TPT_REMOTE_WRITE = 0x1 -}; - -struct tpt_entry { - __be32 valid_stag_pdid; - __be32 flags_pagesize_qpid; - - __be32 rsvd_pbl_addr; - __be32 len; - __be32 va_hi; - __be32 va_low_or_fbo; - - __be32 rsvd_bind_cnt_or_pstag; - __be32 rsvd_pbl_size; -}; - -#define S_TPT_VALID 31 -#define V_TPT_VALID(x) ((x) << S_TPT_VALID) -#define F_TPT_VALID V_TPT_VALID(1U) - -#define S_TPT_STAG_KEY 23 -#define M_TPT_STAG_KEY 0xFF -#define V_TPT_STAG_KEY(x) ((x) << S_TPT_STAG_KEY) -#define G_TPT_STAG_KEY(x) (((x) >> S_TPT_STAG_KEY) & M_TPT_STAG_KEY) - -#define S_TPT_STAG_STATE 22 -#define V_TPT_STAG_STATE(x) ((x) << S_TPT_STAG_STATE) -#define F_TPT_STAG_STATE V_TPT_STAG_STATE(1U) - -#define S_TPT_STAG_TYPE 20 -#define M_TPT_STAG_TYPE 0x3 -#define V_TPT_STAG_TYPE(x) ((x) << S_TPT_STAG_TYPE) -#define G_TPT_STAG_TYPE(x) (((x) >> S_TPT_STAG_TYPE) & M_TPT_STAG_TYPE) - -#define S_TPT_PDID 0 -#define M_TPT_PDID 0xFFFFF -#define V_TPT_PDID(x) ((x) << S_TPT_PDID) -#define G_TPT_PDID(x) (((x) >> S_TPT_PDID) & M_TPT_PDID) - -#define S_TPT_PERM 28 -#define M_TPT_PERM 0xF -#define V_TPT_PERM(x) ((x) << S_TPT_PERM) -#define G_TPT_PERM(x) (((x) >> S_TPT_PERM) & M_TPT_PERM) - -#define S_TPT_REM_INV_DIS 27 -#define V_TPT_REM_INV_DIS(x) ((x) << S_TPT_REM_INV_DIS) -#define F_TPT_REM_INV_DIS V_TPT_REM_INV_DIS(1U) - -#define S_TPT_ADDR_TYPE 26 -#define V_TPT_ADDR_TYPE(x) ((x) << S_TPT_ADDR_TYPE) -#define F_TPT_ADDR_TYPE V_TPT_ADDR_TYPE(1U) - -#define S_TPT_MW_BIND_ENABLE 25 -#define V_TPT_MW_BIND_ENABLE(x) ((x) << S_TPT_MW_BIND_ENABLE) -#define F_TPT_MW_BIND_ENABLE V_TPT_MW_BIND_ENABLE(1U) - -#define S_TPT_PAGE_SIZE 20 -#define M_TPT_PAGE_SIZE 0x1F -#define V_TPT_PAGE_SIZE(x) ((x) << S_TPT_PAGE_SIZE) -#define G_TPT_PAGE_SIZE(x) (((x) >> S_TPT_PAGE_SIZE) & M_TPT_PAGE_SIZE) - -#define S_TPT_PBL_ADDR 0 -#define M_TPT_PBL_ADDR 0x1FFFFFFF -#define V_TPT_PBL_ADDR(x) ((x) << S_TPT_PBL_ADDR) -#define G_TPT_PBL_ADDR(x) (((x) >> S_TPT_PBL_ADDR) & M_TPT_PBL_ADDR) - -#define S_TPT_QPID 0 -#define M_TPT_QPID 0xFFFFF -#define V_TPT_QPID(x) ((x) << S_TPT_QPID) -#define G_TPT_QPID(x) (((x) >> S_TPT_QPID) & M_TPT_QPID) - -#define S_TPT_PSTAG 0 -#define M_TPT_PSTAG 0xFFFFFF -#define V_TPT_PSTAG(x) ((x) << S_TPT_PSTAG) -#define G_TPT_PSTAG(x) (((x) >> S_TPT_PSTAG) & M_TPT_PSTAG) - -#define S_TPT_PBL_SIZE 0 -#define M_TPT_PBL_SIZE 0xFFFFF -#define V_TPT_PBL_SIZE(x) ((x) << S_TPT_PBL_SIZE) -#define G_TPT_PBL_SIZE(x) (((x) >> S_TPT_PBL_SIZE) & M_TPT_PBL_SIZE) - -/* - * CQE defs - */ -struct t3_cqe { - __be32 header; - __be32 len; - union { - struct { - __be32 stag; - __be32 msn; - } rcqe; - struct { - u32 wrid_hi; - u32 wrid_low; - } scqe; - } u; -}; - -#define S_CQE_OOO 31 -#define M_CQE_OOO 0x1 -#define G_CQE_OOO(x) ((((x) >> S_CQE_OOO)) & M_CQE_OOO) -#define V_CEQ_OOO(x) ((x)<<S_CQE_OOO) - -#define S_CQE_QPID 12 -#define M_CQE_QPID 0x7FFFF -#define G_CQE_QPID(x) ((((x) >> S_CQE_QPID)) & M_CQE_QPID) -#define V_CQE_QPID(x) ((x)<<S_CQE_QPID) - -#define S_CQE_SWCQE 11 -#define M_CQE_SWCQE 0x1 -#define G_CQE_SWCQE(x) ((((x) >> S_CQE_SWCQE)) & M_CQE_SWCQE) -#define V_CQE_SWCQE(x) ((x)<<S_CQE_SWCQE) - -#define S_CQE_GENBIT 10 -#define M_CQE_GENBIT 0x1 -#define G_CQE_GENBIT(x) (((x) >> S_CQE_GENBIT) & M_CQE_GENBIT) -#define V_CQE_GENBIT(x) ((x)<<S_CQE_GENBIT) - -#define S_CQE_STATUS 5 -#define M_CQE_STATUS 0x1F -#define G_CQE_STATUS(x) ((((x) >> S_CQE_STATUS)) & M_CQE_STATUS) -#define V_CQE_STATUS(x) ((x)<<S_CQE_STATUS) - -#define S_CQE_TYPE 4 -#define M_CQE_TYPE 0x1 -#define G_CQE_TYPE(x) ((((x) >> S_CQE_TYPE)) & M_CQE_TYPE) -#define V_CQE_TYPE(x) ((x)<<S_CQE_TYPE) - -#define S_CQE_OPCODE 0 -#define M_CQE_OPCODE 0xF -#define G_CQE_OPCODE(x) ((((x) >> S_CQE_OPCODE)) & M_CQE_OPCODE) -#define V_CQE_OPCODE(x) ((x)<<S_CQE_OPCODE) - -#define SW_CQE(x) (G_CQE_SWCQE(be32_to_cpu((x).header))) -#define CQE_OOO(x) (G_CQE_OOO(be32_to_cpu((x).header))) -#define CQE_QPID(x) (G_CQE_QPID(be32_to_cpu((x).header))) -#define CQE_GENBIT(x) (G_CQE_GENBIT(be32_to_cpu((x).header))) -#define CQE_TYPE(x) (G_CQE_TYPE(be32_to_cpu((x).header))) -#define SQ_TYPE(x) (CQE_TYPE((x))) -#define RQ_TYPE(x) (!CQE_TYPE((x))) -#define CQE_STATUS(x) (G_CQE_STATUS(be32_to_cpu((x).header))) -#define CQE_OPCODE(x) (G_CQE_OPCODE(be32_to_cpu((x).header))) - -#define CQE_SEND_OPCODE(x)( \ - (G_CQE_OPCODE(be32_to_cpu((x).header)) == T3_SEND) || \ - (G_CQE_OPCODE(be32_to_cpu((x).header)) == T3_SEND_WITH_SE) || \ - (G_CQE_OPCODE(be32_to_cpu((x).header)) == T3_SEND_WITH_INV) || \ - (G_CQE_OPCODE(be32_to_cpu((x).header)) == T3_SEND_WITH_SE_INV)) - -#define CQE_LEN(x) (be32_to_cpu((x).len)) - -/* used for RQ completion processing */ -#define CQE_WRID_STAG(x) (be32_to_cpu((x).u.rcqe.stag)) -#define CQE_WRID_MSN(x) (be32_to_cpu((x).u.rcqe.msn)) - -/* used for SQ completion processing */ -#define CQE_WRID_SQ_WPTR(x) ((x).u.scqe.wrid_hi) -#define CQE_WRID_WPTR(x) ((x).u.scqe.wrid_low) - -/* generic accessor macros */ -#define CQE_WRID_HI(x) ((x).u.scqe.wrid_hi) -#define CQE_WRID_LOW(x) ((x).u.scqe.wrid_low) - -#define TPT_ERR_SUCCESS 0x0 -#define TPT_ERR_STAG 0x1 /* STAG invalid: either the */ - /* STAG is offlimt, being 0, */ - /* or STAG_key mismatch */ -#define TPT_ERR_PDID 0x2 /* PDID mismatch */ -#define TPT_ERR_QPID 0x3 /* QPID mismatch */ -#define TPT_ERR_ACCESS 0x4 /* Invalid access right */ -#define TPT_ERR_WRAP 0x5 /* Wrap error */ -#define TPT_ERR_BOUND 0x6 /* base and bounds voilation */ -#define TPT_ERR_INVALIDATE_SHARED_MR 0x7 /* attempt to invalidate a */ - /* shared memory region */ -#define TPT_ERR_INVALIDATE_MR_WITH_MW_BOUND 0x8 /* attempt to invalidate a */ - /* shared memory region */ -#define TPT_ERR_ECC 0x9 /* ECC error detected */ -#define TPT_ERR_ECC_PSTAG 0xA /* ECC error detected when */ - /* reading PSTAG for a MW */ - /* Invalidate */ -#define TPT_ERR_PBL_ADDR_BOUND 0xB /* pbl addr out of bounds: */ - /* software error */ -#define TPT_ERR_SWFLUSH 0xC /* SW FLUSHED */ -#define TPT_ERR_CRC 0x10 /* CRC error */ -#define TPT_ERR_MARKER 0x11 /* Marker error */ -#define TPT_ERR_PDU_LEN_ERR 0x12 /* invalid PDU length */ -#define TPT_ERR_OUT_OF_RQE 0x13 /* out of RQE */ -#define TPT_ERR_DDP_VERSION 0x14 /* wrong DDP version */ -#define TPT_ERR_RDMA_VERSION 0x15 /* wrong RDMA version */ -#define TPT_ERR_OPCODE 0x16 /* invalid rdma opcode */ -#define TPT_ERR_DDP_QUEUE_NUM 0x17 /* invalid ddp queue number */ -#define TPT_ERR_MSN 0x18 /* MSN error */ -#define TPT_ERR_TBIT 0x19 /* tag bit not set correctly */ -#define TPT_ERR_MO 0x1A /* MO not 0 for TERMINATE */ - /* or READ_REQ */ -#define TPT_ERR_MSN_GAP 0x1B -#define TPT_ERR_MSN_RANGE 0x1C -#define TPT_ERR_IRD_OVERFLOW 0x1D -#define TPT_ERR_RQE_ADDR_BOUND 0x1E /* RQE addr out of bounds: */ - /* software error */ -#define TPT_ERR_INTERNAL_ERR 0x1F /* internal error (opcode */ - /* mismatch) */ - -struct t3_swsq { - __u64 wr_id; - struct t3_cqe cqe; - __u32 sq_wptr; - __be32 read_len; - int opcode; - int complete; - int signaled; -}; - -struct t3_swrq { - __u64 wr_id; - __u32 pbl_addr; -}; - -/* - * A T3 WQ implements both the SQ and RQ. - */ -struct t3_wq { - union t3_wr *queue; /* DMA accessible memory */ - dma_addr_t dma_addr; /* DMA address for HW */ - DEFINE_DMA_UNMAP_ADDR(mapping); /* unmap kruft */ - u32 error; /* 1 once we go to ERROR */ - u32 qpid; - u32 wptr; /* idx to next available WR slot */ - u32 size_log2; /* total wq size */ - struct t3_swsq *sq; /* SW SQ */ - struct t3_swsq *oldest_read; /* tracks oldest pending read */ - u32 sq_wptr; /* sq_wptr - sq_rptr == count of */ - u32 sq_rptr; /* pending wrs */ - u32 sq_size_log2; /* sq size */ - struct t3_swrq *rq; /* SW RQ (holds consumer wr_ids */ - u32 rq_wptr; /* rq_wptr - rq_rptr == count of */ - u32 rq_rptr; /* pending wrs */ - struct t3_swrq *rq_oldest_wr; /* oldest wr on the SW RQ */ - u32 rq_size_log2; /* rq size */ - u32 rq_addr; /* rq adapter address */ - void __iomem *doorbell; /* kernel db */ - u64 udb; /* user db if any */ - struct cxio_rdev *rdev; -}; - -struct t3_cq { - u32 cqid; - u32 rptr; - u32 wptr; - u32 size_log2; - dma_addr_t dma_addr; - DEFINE_DMA_UNMAP_ADDR(mapping); - struct t3_cqe *queue; - struct t3_cqe *sw_queue; - u32 sw_rptr; - u32 sw_wptr; -}; - -#define CQ_VLD_ENTRY(ptr,size_log2,cqe) (Q_GENBIT(ptr,size_log2) == \ - CQE_GENBIT(*cqe)) - -struct t3_cq_status_page { - u32 cq_err; -}; - -static inline int cxio_cq_in_error(struct t3_cq *cq) -{ - return ((struct t3_cq_status_page *) - &cq->queue[1 << cq->size_log2])->cq_err; -} - -static inline void cxio_set_cq_in_error(struct t3_cq *cq) -{ - ((struct t3_cq_status_page *) - &cq->queue[1 << cq->size_log2])->cq_err = 1; -} - -static inline void cxio_set_wq_in_error(struct t3_wq *wq) -{ - wq->queue->wq_in_err.err |= 1; -} - -static inline void cxio_disable_wq_db(struct t3_wq *wq) -{ - wq->queue->wq_in_err.err |= 2; -} - -static inline void cxio_enable_wq_db(struct t3_wq *wq) -{ - wq->queue->wq_in_err.err &= ~2; -} - -static inline int cxio_wq_db_enabled(struct t3_wq *wq) -{ - return !(wq->queue->wq_in_err.err & 2); -} - -static inline struct t3_cqe *cxio_next_hw_cqe(struct t3_cq *cq) -{ - struct t3_cqe *cqe; - - cqe = cq->queue + (Q_PTR2IDX(cq->rptr, cq->size_log2)); - if (CQ_VLD_ENTRY(cq->rptr, cq->size_log2, cqe)) - return cqe; - return NULL; -} - -static inline struct t3_cqe *cxio_next_sw_cqe(struct t3_cq *cq) -{ - struct t3_cqe *cqe; - - if (!Q_EMPTY(cq->sw_rptr, cq->sw_wptr)) { - cqe = cq->sw_queue + (Q_PTR2IDX(cq->sw_rptr, cq->size_log2)); - return cqe; - } - return NULL; -} - -static inline struct t3_cqe *cxio_next_cqe(struct t3_cq *cq) -{ - struct t3_cqe *cqe; - - if (!Q_EMPTY(cq->sw_rptr, cq->sw_wptr)) { - cqe = cq->sw_queue + (Q_PTR2IDX(cq->sw_rptr, cq->size_log2)); - return cqe; - } - cqe = cq->queue + (Q_PTR2IDX(cq->rptr, cq->size_log2)); - if (CQ_VLD_ENTRY(cq->rptr, cq->size_log2, cqe)) - return cqe; - return NULL; -} - -#endif |