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RDMA/ocrdma: Remove redundant dev reference 

Remove redundant dev reference from structures:

1) ocrdma_cq.
2) ocrdma_ah.
3) ocrdma_hw_mr.
4) ocrdma_mw.
5) ocrdma_srq.

Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Naresh Gottumukkala 2013-08-07 12:52:33 +05:30 committed by Roland Dreier
parent f99b1649db
commit 1afc0454b6
5 changed files with 58 additions and 64 deletions
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5
drivers/infiniband/hw/ocrdma/ocrdma.h
View File

@ -172,7 +172,6 @@ struct ocrdma_dev {
struct ocrdma_cq {
struct ib_cq ibcq;
struct ocrdma_dev *dev;
struct ocrdma_cqe *va;
u32 phase;
u32 getp; /* pointer to pending wrs to
@ -214,7 +213,6 @@ struct ocrdma_pd {
struct ocrdma_ah {
struct ib_ah ibah;
struct ocrdma_dev *dev;
struct ocrdma_av *av;
u16 sgid_index;
u32 id;
@ -234,7 +232,6 @@ struct ocrdma_qp_hwq_info {
struct ocrdma_srq {
struct ib_srq ibsrq;
struct ocrdma_dev *dev;
u8 __iomem *db;
struct ocrdma_qp_hwq_info rq;
u64 *rqe_wr_id_tbl;
@ -293,7 +290,6 @@ struct ocrdma_qp {
};
struct ocrdma_hw_mr {
struct ocrdma_dev *dev;
u32 lkey;
u8 fr_mr;
u8 remote_atomic;
@ -321,7 +317,6 @@ struct ocrdma_mr {
struct ocrdma_ucontext {
struct ib_ucontext ibucontext;
struct ocrdma_dev *dev;
struct list_head mm_head;
struct mutex mm_list_lock; /* protects list entries of mm type */

10
drivers/infiniband/hw/ocrdma/ocrdma_ah.c
View File

@ -35,12 +35,11 @@
#include "ocrdma_ah.h"
#include "ocrdma_hw.h"
static inline int set_av_attr(struct ocrdma_ah *ah,
static inline int set_av_attr(struct ocrdma_dev *dev, struct ocrdma_ah *ah,
struct ib_ah_attr *attr, int pdid)
{
int status = 0;
u16 vlan_tag; bool vlan_enabled = false;
struct ocrdma_dev *dev = ah->dev;
struct ocrdma_eth_vlan eth;
struct ocrdma_grh grh;
int eth_sz;
@ -100,12 +99,11 @@ struct ib_ah *ocrdma_create_ah(struct ib_pd *ibpd, struct ib_ah_attr *attr)
ah = kzalloc(sizeof *ah, GFP_ATOMIC);
if (!ah)
return ERR_PTR(-ENOMEM);
ah->dev = dev;
status = ocrdma_alloc_av(dev, ah);
if (status)
goto av_err;
status = set_av_attr(ah, attr, pd->id);
status = set_av_attr(dev, ah, attr, pd->id);
if (status)
goto av_conf_err;
@ -126,7 +124,9 @@ av_err:
int ocrdma_destroy_ah(struct ib_ah *ibah)
{
struct ocrdma_ah *ah = get_ocrdma_ah(ibah);
ocrdma_free_av(ah->dev, ah);
struct ocrdma_dev *dev = get_ocrdma_dev(ibah->device);
ocrdma_free_av(dev, ah);
kfree(ah);
return 0;
}

28
drivers/infiniband/hw/ocrdma/ocrdma_hw.c
View File

@ -523,16 +523,21 @@ static int ocrdma_mbx_mq_cq_create(struct ocrdma_dev *dev,
ocrdma_init_mch(&cmd->req, OCRDMA_CMD_CREATE_CQ,
OCRDMA_SUBSYS_COMMON, sizeof(*cmd));
cmd->pgsz_pgcnt = PAGES_4K_SPANNED(cq->va, cq->size);
cmd->ev_cnt_flags = OCRDMA_CREATE_CQ_DEF_FLAGS;
cmd->eqn = (eq->id << OCRDMA_CREATE_CQ_EQID_SHIFT);
cmd->req.rsvd_version = OCRDMA_CREATE_CQ_VER2;
cmd->pgsz_pgcnt = (cq->size / OCRDMA_MIN_Q_PAGE_SIZE) <<
OCRDMA_CREATE_CQ_PAGE_SIZE_SHIFT;
cmd->pgsz_pgcnt |= PAGES_4K_SPANNED(cq->va, cq->size);
ocrdma_build_q_pages(&cmd->pa[0], cmd->pgsz_pgcnt,
cmd->ev_cnt_flags = OCRDMA_CREATE_CQ_DEF_FLAGS;
cmd->eqn = eq->id;
cmd->cqe_count = cq->size / sizeof(struct ocrdma_mcqe);
ocrdma_build_q_pages(&cmd->pa[0], cq->size / OCRDMA_MIN_Q_PAGE_SIZE,
cq->dma, PAGE_SIZE_4K);
status = be_roce_mcc_cmd(dev->nic_info.netdev,
cmd, sizeof(*cmd), NULL, NULL);
if (!status) {
cq->id = (rsp->cq_id & OCRDMA_CREATE_CQ_RSP_CQ_ID_MASK);
cq->id = (u16) (rsp->cq_id & OCRDMA_CREATE_CQ_RSP_CQ_ID_MASK);
cq->created = true;
}
return status;
@ -2326,7 +2331,7 @@ mbx_err:
return status;
}
int ocrdma_mbx_create_srq(struct ocrdma_srq *srq,
int ocrdma_mbx_create_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq,
struct ib_srq_init_attr *srq_attr,
struct ocrdma_pd *pd)
{
@ -2336,7 +2341,6 @@ int ocrdma_mbx_create_srq(struct ocrdma_srq *srq,
struct ocrdma_create_srq_rsp *rsp;
struct ocrdma_create_srq *cmd;
dma_addr_t pa;
struct ocrdma_dev *dev = srq->dev;
struct pci_dev *pdev = dev->nic_info.pdev;
u32 max_rqe_allocated;
@ -2406,13 +2410,15 @@ int ocrdma_mbx_modify_srq(struct ocrdma_srq *srq, struct ib_srq_attr *srq_attr)
{
int status = -ENOMEM;
struct ocrdma_modify_srq *cmd;
struct ocrdma_dev *dev = get_ocrdma_dev(srq->ibsrq.device);
cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_CREATE_SRQ, sizeof(*cmd));
if (!cmd)
return status;
cmd->id = srq->id;
cmd->limit_max_rqe |= srq_attr->srq_limit <<
OCRDMA_MODIFY_SRQ_LIMIT_SHIFT;
status = ocrdma_mbx_cmd(srq->dev, (struct ocrdma_mqe *)cmd);
status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd);
kfree(cmd);
return status;
}
@ -2421,11 +2427,13 @@ int ocrdma_mbx_query_srq(struct ocrdma_srq *srq, struct ib_srq_attr *srq_attr)
{
int status = -ENOMEM;
struct ocrdma_query_srq *cmd;
struct ocrdma_dev *dev = get_ocrdma_dev(srq->ibsrq.device);
cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_CREATE_SRQ, sizeof(*cmd));
if (!cmd)
return status;
cmd->id = srq->rq.dbid;
status = ocrdma_mbx_cmd(srq->dev, (struct ocrdma_mqe *)cmd);
status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd);
if (status == 0) {
struct ocrdma_query_srq_rsp *rsp =
(struct ocrdma_query_srq_rsp *)cmd;
@ -2450,7 +2458,7 @@ int ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq)
if (!cmd)
return status;
cmd->id = srq->id;
status = ocrdma_mbx_cmd(srq->dev, (struct ocrdma_mqe *)cmd);
status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd);
if (srq->rq.va)
dma_free_coherent(&pdev->dev, srq->rq.len,
srq->rq.va, srq->rq.pa);

3
drivers/infiniband/hw/ocrdma/ocrdma_hw.h
View File

@ -112,8 +112,7 @@ int ocrdma_mbx_modify_qp(struct ocrdma_dev *, struct ocrdma_qp *,
int ocrdma_mbx_query_qp(struct ocrdma_dev *, struct ocrdma_qp *,
struct ocrdma_qp_params *param);
int ocrdma_mbx_destroy_qp(struct ocrdma_dev *, struct ocrdma_qp *);
int ocrdma_mbx_create_srq(struct ocrdma_srq *,
int ocrdma_mbx_create_srq(struct ocrdma_dev *, struct ocrdma_srq *,
struct ib_srq_init_attr *,
struct ocrdma_pd *);
int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *);

76
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
View File

@ -229,7 +229,6 @@ struct ib_ucontext *ocrdma_alloc_ucontext(struct ib_device *ibdev,
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return ERR_PTR(-ENOMEM);
ctx->dev = dev;
INIT_LIST_HEAD(&ctx->mm_head);
mutex_init(&ctx->mm_list_lock);
@ -274,7 +273,8 @@ int ocrdma_dealloc_ucontext(struct ib_ucontext *ibctx)
{
struct ocrdma_mm *mm, *tmp;
struct ocrdma_ucontext *uctx = get_ocrdma_ucontext(ibctx);
struct pci_dev *pdev = uctx->dev->nic_info.pdev;
struct ocrdma_dev *dev = get_ocrdma_dev(ibctx->device);
struct pci_dev *pdev = dev->nic_info.pdev;
ocrdma_del_mmap(uctx, uctx->ah_tbl.pa, uctx->ah_tbl.len);
dma_free_coherent(&pdev->dev, uctx->ah_tbl.len, uctx->ah_tbl.va,
@ -291,7 +291,7 @@ int ocrdma_dealloc_ucontext(struct ib_ucontext *ibctx)
int ocrdma_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
{
struct ocrdma_ucontext *ucontext = get_ocrdma_ucontext(context);
struct ocrdma_dev *dev = ucontext->dev;
struct ocrdma_dev *dev = get_ocrdma_dev(context->device);
unsigned long vm_page = vma->vm_pgoff << PAGE_SHIFT;
u64 unmapped_db = (u64) dev->nic_info.unmapped_db;
unsigned long len = (vma->vm_end - vma->vm_start);
@ -432,11 +432,10 @@ int ocrdma_dealloc_pd(struct ib_pd *ibpd)
return status;
}
static int ocrdma_alloc_lkey(struct ocrdma_mr *mr, u32 pdid, int acc,
u32 num_pbls, u32 addr_check)
static int ocrdma_alloc_lkey(struct ocrdma_dev *dev, struct ocrdma_mr *mr,
u32 pdid, int acc, u32 num_pbls, u32 addr_check)
{
int status;
struct ocrdma_dev *dev = mr->hwmr.dev;
mr->hwmr.fr_mr = 0;
mr->hwmr.local_rd = 1;
@ -473,8 +472,7 @@ struct ib_mr *ocrdma_get_dma_mr(struct ib_pd *ibpd, int acc)
if (!mr)
return ERR_PTR(-ENOMEM);
mr->hwmr.dev = dev;
status = ocrdma_alloc_lkey(mr, pd->id, acc, 0,
status = ocrdma_alloc_lkey(dev, mr, pd->id, acc, 0,
OCRDMA_ADDR_CHECK_DISABLE);
if (status) {
kfree(mr);
@ -503,7 +501,8 @@ static void ocrdma_free_mr_pbl_tbl(struct ocrdma_dev *dev,
}
}
static int ocrdma_get_pbl_info(struct ocrdma_mr *mr, u32 num_pbes)
static int ocrdma_get_pbl_info(struct ocrdma_dev *dev, struct ocrdma_mr *mr,
u32 num_pbes)
{
u32 num_pbls = 0;
u32 idx = 0;
@ -519,7 +518,7 @@ static int ocrdma_get_pbl_info(struct ocrdma_mr *mr, u32 num_pbes)
num_pbls = roundup(num_pbes, (pbl_size / sizeof(u64)));
num_pbls = num_pbls / (pbl_size / sizeof(u64));
idx++;
} while (num_pbls >= mr->hwmr.dev->attr.max_num_mr_pbl);
} while (num_pbls >= dev->attr.max_num_mr_pbl);
mr->hwmr.num_pbes = num_pbes;
mr->hwmr.num_pbls = num_pbls;
@ -627,14 +626,13 @@ struct ib_mr *ocrdma_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 len,
mr = kzalloc(sizeof(*mr), GFP_KERNEL);
if (!mr)
return ERR_PTR(status);
mr->hwmr.dev = dev;
mr->umem = ib_umem_get(ibpd->uobject->context, start, len, acc, 0);
if (IS_ERR(mr->umem)) {
status = -EFAULT;
goto umem_err;
}
num_pbes = ib_umem_page_count(mr->umem);
status = ocrdma_get_pbl_info(mr, num_pbes);
status = ocrdma_get_pbl_info(dev, mr, num_pbes);
if (status)
goto umem_err;
@ -670,7 +668,7 @@ umem_err:
int ocrdma_dereg_mr(struct ib_mr *ib_mr)
{
struct ocrdma_mr *mr = get_ocrdma_mr(ib_mr);
struct ocrdma_dev *dev = mr->hwmr.dev;
struct ocrdma_dev *dev = get_ocrdma_dev(ib_mr->device);
int status;
status = ocrdma_mbx_dealloc_lkey(dev, mr->hwmr.fr_mr, mr->hwmr.lkey);
@ -685,7 +683,8 @@ int ocrdma_dereg_mr(struct ib_mr *ib_mr)
return status;
}
static int ocrdma_copy_cq_uresp(struct ocrdma_cq *cq, struct ib_udata *udata,
static int ocrdma_copy_cq_uresp(struct ocrdma_dev *dev, struct ocrdma_cq *cq,
struct ib_udata *udata,
struct ib_ucontext *ib_ctx)
{
int status;
@ -698,13 +697,13 @@ static int ocrdma_copy_cq_uresp(struct ocrdma_cq *cq, struct ib_udata *udata,
uresp.num_pages = 1;
uresp.max_hw_cqe = cq->max_hw_cqe;
uresp.page_addr[0] = cq->pa;
uresp.db_page_addr = cq->dev->nic_info.unmapped_db;
uresp.db_page_size = cq->dev->nic_info.db_page_size;
uresp.db_page_addr = dev->nic_info.unmapped_db;
uresp.db_page_size = dev->nic_info.db_page_size;
uresp.phase_change = cq->phase_change ? 1 : 0;
status = ib_copy_to_udata(udata, &uresp, sizeof(uresp));
if (status) {
pr_err("%s(%d) copy error cqid=0x%x.\n",
__func__, cq->dev->id, cq->id);
__func__, dev->id, cq->id);
goto err;
}
uctx = get_ocrdma_ucontext(ib_ctx);
@ -743,7 +742,6 @@ struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev, int entries, int vector,
spin_lock_init(&cq->comp_handler_lock);
INIT_LIST_HEAD(&cq->sq_head);
INIT_LIST_HEAD(&cq->rq_head);
cq->dev = dev;
status = ocrdma_mbx_create_cq(dev, cq, entries, ureq.dpp_cq);
if (status) {
@ -751,7 +749,7 @@ struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev, int entries, int vector,
return ERR_PTR(status);
}
if (ib_ctx) {
status = ocrdma_copy_cq_uresp(cq, udata, ib_ctx);
status = ocrdma_copy_cq_uresp(dev, cq, udata, ib_ctx);
if (status)
goto ctx_err;
}
@ -785,7 +783,7 @@ int ocrdma_destroy_cq(struct ib_cq *ibcq)
{
int status;
struct ocrdma_cq *cq = get_ocrdma_cq(ibcq);
struct ocrdma_dev *dev = cq->dev;
struct ocrdma_dev *dev = get_ocrdma_dev(ibcq->device);
status = ocrdma_mbx_destroy_cq(dev, cq);
@ -1457,7 +1455,8 @@ int ocrdma_destroy_qp(struct ib_qp *ibqp)
return status;
}
static int ocrdma_copy_srq_uresp(struct ocrdma_srq *srq, struct ib_udata *udata)
static int ocrdma_copy_srq_uresp(struct ocrdma_dev *dev, struct ocrdma_srq *srq,
struct ib_udata *udata)
{
int status;
struct ocrdma_create_srq_uresp uresp;
@ -1467,11 +1466,11 @@ static int ocrdma_copy_srq_uresp(struct ocrdma_srq *srq, struct ib_udata *udata)
uresp.num_rq_pages = 1;
uresp.rq_page_addr[0] = srq->rq.pa;
uresp.rq_page_size = srq->rq.len;
uresp.db_page_addr = srq->dev->nic_info.unmapped_db +
(srq->pd->id * srq->dev->nic_info.db_page_size);
uresp.db_page_size = srq->dev->nic_info.db_page_size;
uresp.db_page_addr = dev->nic_info.unmapped_db +
(srq->pd->id * dev->nic_info.db_page_size);
uresp.db_page_size = dev->nic_info.db_page_size;
uresp.num_rqe_allocated = srq->rq.max_cnt;
if (srq->dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) {
if (dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) {
uresp.db_rq_offset = OCRDMA_DB_GEN2_RQ1_OFFSET;
uresp.db_shift = 24;
} else {
@ -1508,10 +1507,9 @@ struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd,
return ERR_PTR(status);
spin_lock_init(&srq->q_lock);
srq->dev = dev;
srq->pd = pd;
srq->db = dev->nic_info.db + (pd->id * dev->nic_info.db_page_size);
status = ocrdma_mbx_create_srq(srq, init_attr, pd);
status = ocrdma_mbx_create_srq(dev, srq, init_attr, pd);
if (status)
goto err;
@ -1538,7 +1536,7 @@ struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd,
}
if (udata) {
status = ocrdma_copy_srq_uresp(srq, udata);
status = ocrdma_copy_srq_uresp(dev, srq, udata);
if (status)
goto arm_err;
}
@ -1584,10 +1582,9 @@ int ocrdma_destroy_srq(struct ib_srq *ibsrq)
{
int status;
struct ocrdma_srq *srq;
struct ocrdma_dev *dev;
struct ocrdma_dev *dev = get_ocrdma_dev(ibsrq->device);
srq = get_ocrdma_srq(ibsrq);
dev = srq->dev;
status = ocrdma_mbx_destroy_srq(dev, srq);
@ -2354,7 +2351,7 @@ static int ocrdma_poll_hwcq(struct ocrdma_cq *cq, int num_entries,
bool expand = false;
int polled_hw_cqes = 0;
struct ocrdma_qp *qp = NULL;
struct ocrdma_dev *dev = cq->dev;
struct ocrdma_dev *dev = get_ocrdma_dev(cq->ibcq.device);
struct ocrdma_cqe *cqe;
u16 cur_getp; bool polled = false; bool stop = false;
@ -2435,14 +2432,11 @@ static int ocrdma_add_err_cqe(struct ocrdma_cq *cq, int num_entries,
int ocrdma_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
{
int cqes_to_poll = num_entries;
struct ocrdma_cq *cq = NULL;
unsigned long flags;
struct ocrdma_dev *dev;
struct ocrdma_cq *cq = get_ocrdma_cq(ibcq);
struct ocrdma_dev *dev = get_ocrdma_dev(ibcq->device);
int num_os_cqe = 0, err_cqes = 0;
struct ocrdma_qp *qp;
cq = get_ocrdma_cq(ibcq);
dev = cq->dev;
unsigned long flags;
/* poll cqes from adapter CQ */
spin_lock_irqsave(&cq->cq_lock, flags);
@ -2473,16 +2467,14 @@ int ocrdma_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
int ocrdma_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags cq_flags)
{
struct ocrdma_cq *cq;
unsigned long flags;
struct ocrdma_dev *dev;
struct ocrdma_cq *cq = get_ocrdma_cq(ibcq);
struct ocrdma_dev *dev = get_ocrdma_dev(ibcq->device);
u16 cq_id;
u16 cur_getp;
struct ocrdma_cqe *cqe;
unsigned long flags;
cq = get_ocrdma_cq(ibcq);
cq_id = cq->id;
dev = cq->dev;
spin_lock_irqsave(&cq->cq_lock, flags);
if (cq_flags & IB_CQ_NEXT_COMP || cq_flags & IB_CQ_SOLICITED)