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IB/core: Change provider's API of create_cq to be extendible

Browse Source 
Add a new ib_cq_init_attr structure which contains the
previous cqe (minimum number of CQ entries) and comp_vector
(completion vector) in addition to a new flags field.
All vendors' create_cq callbacks are changed in order
to work with the new API.

This commit does not change any functionality.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-By: Devesh Sharma <devesh.sharma@avagotech.com> to patch #2
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Matan Barak 2015-06-11 16:35:20 +03:00 committed by Doug Ledford
parent 74217d4c6a
commit bcf4c1ea58
24 changed files with 124 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/infiniband/core/uverbs_cmd.c
View File

@ -1341,6 +1341,7 @@ ssize_t ib_uverbs_create_cq(struct ib_uverbs_file *file,
struct ib_uverbs_event_file *ev_file = NULL;
struct ib_cq *cq;
int ret;
struct ib_cq_init_attr attr = {};
if (out_len < sizeof resp)
return -ENOSPC;
@ -1376,8 +1377,9 @@ ssize_t ib_uverbs_create_cq(struct ib_uverbs_file *file,
INIT_LIST_HEAD(&obj->comp_list);
INIT_LIST_HEAD(&obj->async_list);
cq = file->device->ib_dev->create_cq(file->device->ib_dev, cmd.cqe,
cmd.comp_vector,
attr.cqe = cmd.cqe;
attr.comp_vector = cmd.comp_vector;
cq = file->device->ib_dev->create_cq(file->device->ib_dev, &attr,
file->ucontext, &udata);
if (IS_ERR(cq)) {
ret = PTR_ERR(cq);

3
drivers/infiniband/core/verbs.c
View File

@ -1079,8 +1079,9 @@ struct ib_cq *ib_create_cq(struct ib_device *device,
void *cq_context, int cqe, int comp_vector)
{
struct ib_cq *cq;
struct ib_cq_init_attr attr = {.cqe = cqe, .comp_vector = comp_vector};
cq = device->create_cq(device, cqe, comp_vector, NULL, NULL);
cq = device->create_cq(device, &attr, NULL, NULL);
if (!IS_ERR(cq)) {
cq->device = device;

7
drivers/infiniband/hw/amso1100/c2_provider.c
View File

@ -286,13 +286,18 @@ static int c2_destroy_qp(struct ib_qp *ib_qp)
return 0;
}
static struct ib_cq *c2_create_cq(struct ib_device *ibdev, int entries, int vector,
static struct ib_cq *c2_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata)
{
int entries = attr->cqe;
struct c2_cq *cq;
int err;
if (attr->flags)
return ERR_PTR(-EINVAL);
cq = kmalloc(sizeof(*cq), GFP_KERNEL);
if (!cq) {
pr_debug("%s: Unable to allocate CQ\n", __func__);

11
drivers/infiniband/hw/cxgb3/iwch_provider.c
View File

@ -138,10 +138,12 @@ static int iwch_destroy_cq(struct ib_cq *ib_cq)
return 0;
}
static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int vector,
struct ib_ucontext *ib_context,
struct ib_udata *udata)
static struct ib_cq *iwch_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *ib_context,
struct ib_udata *udata)
{
int entries = attr->cqe;
struct iwch_dev *rhp;
struct iwch_cq *chp;
struct iwch_create_cq_resp uresp;
@ -151,6 +153,9 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve
size_t resplen;
PDBG("%s ib_dev %p entries %d\n", __func__, ibdev, entries);
if (attr->flags)
return ERR_PTR(-EINVAL);
rhp = to_iwch_dev(ibdev);
chp = kzalloc(sizeof(*chp), GFP_KERNEL);
if (!chp)

9
drivers/infiniband/hw/cxgb4/cq.c
View File

@ -864,10 +864,13 @@ int c4iw_destroy_cq(struct ib_cq *ib_cq)
return 0;
}
struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries,
int vector, struct ib_ucontext *ib_context,
struct ib_cq *c4iw_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *ib_context,
struct ib_udata *udata)
{
int entries = attr->cqe;
int vector = attr->comp_vector;
struct c4iw_dev *rhp;
struct c4iw_cq *chp;
struct c4iw_create_cq_resp uresp;
@ -877,6 +880,8 @@ struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries,
struct c4iw_mm_entry *mm, *mm2;
PDBG("%s ib_dev %p entries %d\n", __func__, ibdev, entries);
if (attr->flags)
return ERR_PTR(-EINVAL);
rhp = to_c4iw_dev(ibdev);

8
drivers/infiniband/hw/cxgb4/iw_cxgb4.h
View File

@ -990,10 +990,10 @@ int c4iw_reregister_phys_mem(struct ib_mr *mr,
int acc, u64 *iova_start);
int c4iw_dereg_mr(struct ib_mr *ib_mr);
int c4iw_destroy_cq(struct ib_cq *ib_cq);
struct ib_cq *c4iw_create_cq(struct ib_device *ibdev, int entries,
int vector,
struct ib_ucontext *ib_context,
struct ib_udata *udata);
struct ib_cq *c4iw_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *ib_context,
struct ib_udata *udata);
int c4iw_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata);
int c4iw_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
int c4iw_destroy_qp(struct ib_qp *ib_qp);

7
drivers/infiniband/hw/ehca/ehca_cq.c
View File

@ -113,10 +113,12 @@ struct ehca_qp *ehca_cq_get_qp(struct ehca_cq *cq, int real_qp_num)
return ret;
}
struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
struct ib_cq *ehca_create_cq(struct ib_device *device,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata)
{
int cqe = attr->cqe;
static const u32 additional_cqe = 20;
struct ib_cq *cq;
struct ehca_cq *my_cq;
@ -131,6 +133,9 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
int ipz_rc, i;
unsigned long flags;
if (attr->flags)
return ERR_PTR(-EINVAL);
if (cqe >= 0xFFFFFFFF - 64 - additional_cqe)
return ERR_PTR(-EINVAL);

3
drivers/infiniband/hw/ehca/ehca_iverbs.h
View File

@ -129,7 +129,8 @@ int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq);
void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq);
struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
struct ib_cq *ehca_create_cq(struct ib_device *device,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata);

9
drivers/infiniband/hw/ipath/ipath_cq.c
View File

@ -188,7 +188,7 @@ static void send_complete(unsigned long data)
/**
* ipath_create_cq - create a completion queue
* @ibdev: the device this completion queue is attached to
* @entries: the minimum size of the completion queue
* @attr: creation attributes
* @context: unused by the InfiniPath driver
* @udata: unused by the InfiniPath driver
*
@ -197,16 +197,21 @@ static void send_complete(unsigned long data)
*
* Called by ib_create_cq() in the generic verbs code.
*/
struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries, int comp_vector,
struct ib_cq *ipath_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata)
{
int entries = attr->cqe;
struct ipath_ibdev *dev = to_idev(ibdev);
struct ipath_cq *cq;
struct ipath_cq_wc *wc;
struct ib_cq *ret;
u32 sz;
if (attr->flags)
return ERR_PTR(-EINVAL);
if (entries < 1 || entries > ib_ipath_max_cqes) {
ret = ERR_PTR(-EINVAL);
goto done;

3
drivers/infiniband/hw/ipath/ipath_verbs.h
View File

@ -807,7 +807,8 @@ void ipath_cq_enter(struct ipath_cq *cq, struct ib_wc *entry, int sig);
int ipath_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry);
struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries, int comp_vector,
struct ib_cq *ipath_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata);

8
drivers/infiniband/hw/mlx4/cq.c
View File

@ -166,15 +166,21 @@ static int mlx4_ib_get_cq_umem(struct mlx4_ib_dev *dev, struct ib_ucontext *cont
return err;
}
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata)
{
int entries = attr->cqe;
int vector = attr->comp_vector;
struct mlx4_ib_dev *dev = to_mdev(ibdev);
struct mlx4_ib_cq *cq;
struct mlx4_uar *uar;
int err;
if (attr->flags)
return ERR_PTR(-EINVAL);
if (entries < 1 || entries > dev->dev->caps.max_cqes)
return ERR_PTR(-EINVAL);

3
drivers/infiniband/hw/mlx4/mlx4_ib.h
View File

@ -668,7 +668,8 @@ void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata);
int mlx4_ib_destroy_cq(struct ib_cq *cq);

10
drivers/infiniband/hw/mlx5/cq.c
View File

@ -736,10 +736,13 @@ static void destroy_cq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq)
mlx5_db_free(dev->mdev, &cq->db);
}
struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, int entries,
int vector, struct ib_ucontext *context,
struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata)
{
int entries = attr->cqe;
int vector = attr->comp_vector;
struct mlx5_create_cq_mbox_in *cqb = NULL;
struct mlx5_ib_dev *dev = to_mdev(ibdev);
struct mlx5_ib_cq *cq;
@ -750,6 +753,9 @@ struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, int entries,
int eqn;
int err;
if (attr->flags)
return ERR_PTR(-EINVAL);
if (entries < 0)
return ERR_PTR(-EINVAL);

3
drivers/infiniband/hw/mlx5/main.c
View File

@ -1087,6 +1087,7 @@ static int create_dev_resources(struct mlx5_ib_resources *devr)
{
struct ib_srq_init_attr attr;
struct mlx5_ib_dev *dev;
struct ib_cq_init_attr cq_attr = {.cqe = 1};
int ret = 0;
dev = container_of(devr, struct mlx5_ib_dev, devr);
@ -1100,7 +1101,7 @@ static int create_dev_resources(struct mlx5_ib_resources *devr)
devr->p0->uobject = NULL;
atomic_set(&devr->p0->usecnt, 0);
devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, 1, 0, NULL, NULL);
devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL, NULL);
if (IS_ERR(devr->c0)) {
ret = PTR_ERR(devr->c0);
goto error1;

5
drivers/infiniband/hw/mlx5/mlx5_ib.h
View File

@ -556,8 +556,9 @@ int mlx5_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n);
int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index,
void *buffer, u32 length);
struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev, int entries,
int vector, struct ib_ucontext *context,
struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata);
int mlx5_ib_destroy_cq(struct ib_cq *cq);
int mlx5_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);

8
drivers/infiniband/hw/mthca/mthca_provider.c
View File

@ -641,16 +641,20 @@ static int mthca_destroy_qp(struct ib_qp *qp)
return 0;
}
static struct ib_cq *mthca_create_cq(struct ib_device *ibdev, int entries,
int comp_vector,
static struct ib_cq *mthca_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata)
{
int entries = attr->cqe;
struct mthca_create_cq ucmd;
struct mthca_cq *cq;
int nent;
int err;
if (attr->flags)
return ERR_PTR(-EINVAL);
if (entries < 1 || entries > to_mdev(ibdev)->limits.max_cqes)
return ERR_PTR(-EINVAL);

11
drivers/infiniband/hw/nes/nes_verbs.c
View File

@ -1526,10 +1526,12 @@ static int nes_destroy_qp(struct ib_qp *ibqp)
/**
* nes_create_cq
*/
static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
int comp_vector,
struct ib_ucontext *context, struct ib_udata *udata)
static struct ib_cq *nes_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata)
{
int entries = attr->cqe;
u64 u64temp;
struct nes_vnic *nesvnic = to_nesvnic(ibdev);
struct nes_device *nesdev = nesvnic->nesdev;
@ -1549,6 +1551,9 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
unsigned long flags;
int ret;
if (attr->flags)
return ERR_PTR(-EINVAL);
if (entries > nesadapter->max_cqe)
return ERR_PTR(-EINVAL);

7
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
View File

@ -1004,10 +1004,12 @@ static int ocrdma_copy_cq_uresp(struct ocrdma_dev *dev, struct ocrdma_cq *cq,
return status;
}
struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev, int entries, int vector,
struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *ib_ctx,
struct ib_udata *udata)
{
int entries = attr->cqe;
struct ocrdma_cq *cq;
struct ocrdma_dev *dev = get_ocrdma_dev(ibdev);
struct ocrdma_ucontext *uctx = NULL;
@ -1015,6 +1017,9 @@ struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev, int entries, int vector,
int status;
struct ocrdma_create_cq_ureq ureq;
if (attr->flags)
return ERR_PTR(-EINVAL);
if (udata) {
if (ib_copy_from_udata(&ureq, udata, sizeof(ureq)))
return ERR_PTR(-EFAULT);

6
drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
View File

@ -59,8 +59,10 @@ struct ib_pd *ocrdma_alloc_pd(struct ib_device *,
struct ib_ucontext *, struct ib_udata *);
int ocrdma_dealloc_pd(struct ib_pd *pd);
struct ib_cq *ocrdma_create_cq(struct ib_device *, int entries, int vector,
struct ib_ucontext *, struct ib_udata *);
struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *ib_ctx,
struct ib_udata *udata);
int ocrdma_resize_cq(struct ib_cq *, int cqe, struct ib_udata *);
int ocrdma_destroy_cq(struct ib_cq *);

11
drivers/infiniband/hw/qib/qib_cq.c
View File

@ -203,7 +203,7 @@ static void send_complete(struct kthread_work *work)
/**
* qib_create_cq - create a completion queue
* @ibdev: the device this completion queue is attached to
* @entries: the minimum size of the completion queue
* @attr: creation attributes
* @context: unused by the QLogic_IB driver
* @udata: user data for libibverbs.so
*
@ -212,16 +212,21 @@ static void send_complete(struct kthread_work *work)
*
* Called by ib_create_cq() in the generic verbs code.
*/
struct ib_cq *qib_create_cq(struct ib_device *ibdev, int entries,
int comp_vector, struct ib_ucontext *context,
struct ib_cq *qib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata)
{
int entries = attr->cqe;
struct qib_ibdev *dev = to_idev(ibdev);
struct qib_cq *cq;
struct qib_cq_wc *wc;
struct ib_cq *ret;
u32 sz;
if (attr->flags)
return ERR_PTR(-EINVAL);
if (entries < 1 || entries > ib_qib_max_cqes) {
ret = ERR_PTR(-EINVAL);
goto done;

5
drivers/infiniband/hw/qib/qib_verbs.h
View File

@ -1007,8 +1007,9 @@ void qib_cq_enter(struct qib_cq *cq, struct ib_wc *entry, int sig);
int qib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry);
struct ib_cq *qib_create_cq(struct ib_device *ibdev, int entries,
int comp_vector, struct ib_ucontext *context,
struct ib_cq *qib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata);
int qib_destroy_cq(struct ib_cq *ibcq);

10
drivers/infiniband/hw/usnic/usnic_ib_verbs.c
View File

@ -570,13 +570,17 @@ int usnic_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
return status;
}
struct ib_cq *usnic_ib_create_cq(struct ib_device *ibdev, int entries,
int vector, struct ib_ucontext *context,
struct ib_udata *udata)
struct ib_cq *usnic_ib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata)
{
struct ib_cq *cq;
usnic_dbg("\n");
if (attr->flags)
return ERR_PTR(-EINVAL);
cq = kzalloc(sizeof(*cq), GFP_KERNEL);
if (!cq)
return ERR_PTR(-EBUSY);

7
drivers/infiniband/hw/usnic/usnic_ib_verbs.h
View File

@ -46,9 +46,10 @@ struct ib_qp *usnic_ib_create_qp(struct ib_pd *pd,
int usnic_ib_destroy_qp(struct ib_qp *qp);
int usnic_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int attr_mask, struct ib_udata *udata);
struct ib_cq *usnic_ib_create_cq(struct ib_device *ibdev, int entries,
int vector, struct ib_ucontext *context,
struct ib_udata *udata);
struct ib_cq *usnic_ib_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata);
int usnic_ib_destroy_cq(struct ib_cq *cq);
struct ib_mr *usnic_ib_reg_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int access_flags,

10
include/rdma/ib_verbs.h
View File

@ -173,6 +173,12 @@ struct ib_odp_caps {
} per_transport_caps;
};
struct ib_cq_init_attr {
unsigned int cqe;
int comp_vector;
u32 flags;
};
struct ib_device_attr {
u64 fw_ver;
__be64 sys_image_guid;
@ -1613,8 +1619,8 @@ struct ib_device {
int (*post_recv)(struct ib_qp *qp,
struct ib_recv_wr *recv_wr,
struct ib_recv_wr **bad_recv_wr);
struct ib_cq * (*create_cq)(struct ib_device *device, int cqe,
int comp_vector,
struct ib_cq * (*create_cq)(struct ib_device *device,
const struct ib_cq_init_attr *attr,
struct ib_ucontext *context,
struct ib_udata *udata);
int (*modify_cq)(struct ib_cq *cq, u16 cq_count,