return index;
}
-enum ehca_service_type {
- ST_RC = 0,
- ST_UC = 1,
- ST_RD = 2,
- ST_UD = 3
-};
-
/*
* ibqptype2servicetype returns hcp service type corresponding to given
* ib qp type used by create_qp()
}
/*
- * init_qp_queues initializes/constructs r/squeue and registers queue pages.
+ * init_qp_queue initializes/constructs r/squeue and registers queue pages.
*/
-static inline int init_qp_queues(struct ehca_shca *shca,
- struct ehca_qp *my_qp,
- int nr_sq_pages,
- int nr_rq_pages,
- int swqe_size,
- int rwqe_size,
- int nr_send_sges, int nr_receive_sges)
+static inline int init_qp_queue(struct ehca_shca *shca,
+ struct ehca_qp *my_qp,
+ struct ipz_queue *queue,
+ int q_type,
+ u64 expected_hret,
+ int nr_q_pages,
+ int wqe_size,
+ int nr_sges)
{
int ret, cnt, ipz_rc;
void *vpage;
struct ib_device *ib_dev = &shca->ib_device;
struct ipz_adapter_handle ipz_hca_handle = shca->ipz_hca_handle;
- ipz_rc = ipz_queue_ctor(&my_qp->ipz_squeue,
- nr_sq_pages,
- EHCA_PAGESIZE, swqe_size, nr_send_sges);
+ if (!nr_q_pages)
+ return 0;
+
+ ipz_rc = ipz_queue_ctor(queue, nr_q_pages, EHCA_PAGESIZE,
+ wqe_size, nr_sges);
if (!ipz_rc) {
- ehca_err(ib_dev,"Cannot allocate page for squeue. ipz_rc=%x",
+ ehca_err(ib_dev, "Cannot allocate page for queue. ipz_rc=%x",
ipz_rc);
return -EBUSY;
}
- ipz_rc = ipz_queue_ctor(&my_qp->ipz_rqueue,
- nr_rq_pages,
- EHCA_PAGESIZE, rwqe_size, nr_receive_sges);
- if (!ipz_rc) {
- ehca_err(ib_dev, "Cannot allocate page for rqueue. ipz_rc=%x",
- ipz_rc);
- ret = -EBUSY;
- goto init_qp_queues0;
- }
- /* register SQ pages */
- for (cnt = 0; cnt < nr_sq_pages; cnt++) {
- vpage = ipz_qpageit_get_inc(&my_qp->ipz_squeue);
+ /* register queue pages */
+ for (cnt = 0; cnt < nr_q_pages; cnt++) {
+ vpage = ipz_qpageit_get_inc(queue);
if (!vpage) {
- ehca_err(ib_dev, "SQ ipz_qpageit_get_inc() "
+ ehca_err(ib_dev, "ipz_qpageit_get_inc() "
"failed p_vpage= %p", vpage);
ret = -EINVAL;
- goto init_qp_queues1;
+ goto init_qp_queue1;
}
rpage = virt_to_abs(vpage);
h_ret = hipz_h_register_rpage_qp(ipz_hca_handle,
my_qp->ipz_qp_handle,
- &my_qp->pf, 0, 0,
+ NULL, 0, q_type,
rpage, 1,
my_qp->galpas.kernel);
- if (h_ret < H_SUCCESS) {
- ehca_err(ib_dev, "SQ hipz_qp_register_rpage()"
- " failed rc=%lx", h_ret);
- ret = ehca2ib_return_code(h_ret);
- goto init_qp_queues1;
- }
- }
-
- ipz_qeit_reset(&my_qp->ipz_squeue);
-
- /* register RQ pages */
- for (cnt = 0; cnt < nr_rq_pages; cnt++) {
- vpage = ipz_qpageit_get_inc(&my_qp->ipz_rqueue);
- if (!vpage) {
- ehca_err(ib_dev, "RQ ipz_qpageit_get_inc() "
- "failed p_vpage = %p", vpage);
- ret = -EINVAL;
- goto init_qp_queues1;
- }
-
- rpage = virt_to_abs(vpage);
-
- h_ret = hipz_h_register_rpage_qp(ipz_hca_handle,
- my_qp->ipz_qp_handle,
- &my_qp->pf, 0, 1,
- rpage, 1,my_qp->galpas.kernel);
- if (h_ret < H_SUCCESS) {
- ehca_err(ib_dev, "RQ hipz_qp_register_rpage() failed "
- "rc=%lx", h_ret);
- ret = ehca2ib_return_code(h_ret);
- goto init_qp_queues1;
- }
- if (cnt == (nr_rq_pages - 1)) { /* last page! */
- if (h_ret != H_SUCCESS) {
- ehca_err(ib_dev, "RQ hipz_qp_register_rpage() "
+ if (cnt == (nr_q_pages - 1)) { /* last page! */
+ if (h_ret != expected_hret) {
+ ehca_err(ib_dev, "hipz_qp_register_rpage() "
"h_ret= %lx ", h_ret);
ret = ehca2ib_return_code(h_ret);
- goto init_qp_queues1;
+ goto init_qp_queue1;
}
vpage = ipz_qpageit_get_inc(&my_qp->ipz_rqueue);
if (vpage) {
ehca_err(ib_dev, "ipz_qpageit_get_inc() "
"should not succeed vpage=%p", vpage);
ret = -EINVAL;
- goto init_qp_queues1;
+ goto init_qp_queue1;
}
} else {
if (h_ret != H_PAGE_REGISTERED) {
- ehca_err(ib_dev, "RQ hipz_qp_register_rpage() "
+ ehca_err(ib_dev, "hipz_qp_register_rpage() "
"h_ret= %lx ", h_ret);
ret = ehca2ib_return_code(h_ret);
- goto init_qp_queues1;
+ goto init_qp_queue1;
}
}
}
- ipz_qeit_reset(&my_qp->ipz_rqueue);
+ ipz_qeit_reset(queue);
return 0;
-init_qp_queues1:
- ipz_queue_dtor(&my_qp->ipz_rqueue);
-init_qp_queues0:
- ipz_queue_dtor(&my_qp->ipz_squeue);
+init_qp_queue1:
+ ipz_queue_dtor(queue);
return ret;
}
ib_device);
struct ib_ucontext *context = NULL;
u64 h_ret;
- int max_send_sge, max_recv_sge, ret;
+ int is_llqp = 0, has_srq = 0;
+ int qp_type, max_send_sge, max_recv_sge, ret;
/* h_call's out parameters */
struct ehca_alloc_qp_parms parms;
u32 swqe_size = 0, rwqe_size = 0;
- u8 daqp_completion, isdaqp;
unsigned long flags;
+ memset(&parms, 0, sizeof(parms));
+ qp_type = init_attr->qp_type;
+
if (init_attr->sq_sig_type != IB_SIGNAL_REQ_WR &&
init_attr->sq_sig_type != IB_SIGNAL_ALL_WR) {
ehca_err(pd->device, "init_attr->sg_sig_type=%x not allowed",
return ERR_PTR(-EINVAL);
}
- /* save daqp completion bits */
- daqp_completion = init_attr->qp_type & 0x60;
- /* save daqp bit */
- isdaqp = (init_attr->qp_type & 0x80) ? 1 : 0;
- init_attr->qp_type = init_attr->qp_type & 0x1F;
+ /* save LLQP info */
+ if (qp_type & 0x80) {
+ is_llqp = 1;
+ parms.ext_type = EQPT_LLQP;
+ parms.ll_comp_flags = qp_type & LLQP_COMP_MASK;
+ }
+ qp_type &= 0x1F;
+
+ /* check for SRQ */
+ has_srq = !!(init_attr->srq);
+ if (is_llqp && has_srq) {
+ ehca_err(pd->device, "LLQPs can't have an SRQ");
+ return ERR_PTR(-EINVAL);
+ }
- if (init_attr->qp_type != IB_QPT_UD &&
- init_attr->qp_type != IB_QPT_SMI &&
- init_attr->qp_type != IB_QPT_GSI &&
- init_attr->qp_type != IB_QPT_UC &&
- init_attr->qp_type != IB_QPT_RC) {
- ehca_err(pd->device, "wrong QP Type=%x", init_attr->qp_type);
+ /* check QP type */
+ if (qp_type != IB_QPT_UD &&
+ qp_type != IB_QPT_UC &&
+ qp_type != IB_QPT_RC &&
+ qp_type != IB_QPT_SMI &&
+ qp_type != IB_QPT_GSI) {
+ ehca_err(pd->device, "wrong QP Type=%x", qp_type);
return ERR_PTR(-EINVAL);
}
- if ((init_attr->qp_type != IB_QPT_RC && init_attr->qp_type != IB_QPT_UD)
- && isdaqp) {
- ehca_err(pd->device, "unsupported LL QP Type=%x",
- init_attr->qp_type);
+
+ if (is_llqp && (qp_type != IB_QPT_RC && qp_type != IB_QPT_UD)) {
+ ehca_err(pd->device, "unsupported LL QP Type=%x", qp_type);
return ERR_PTR(-EINVAL);
- } else if (init_attr->qp_type == IB_QPT_RC && isdaqp &&
+ } else if (is_llqp && qp_type == IB_QPT_RC &&
(init_attr->cap.max_send_wr > 255 ||
init_attr->cap.max_recv_wr > 255 )) {
- ehca_err(pd->device, "Invalid Number of max_sq_wr =%x "
- "or max_rq_wr=%x for QP Type=%x",
- init_attr->cap.max_send_wr,
- init_attr->cap.max_recv_wr,init_attr->qp_type);
- return ERR_PTR(-EINVAL);
- } else if (init_attr->qp_type == IB_QPT_UD && isdaqp &&
- init_attr->cap.max_send_wr > 255) {
+ ehca_err(pd->device, "Invalid Number of max_sq_wr=%x "
+ "or max_rq_wr=%x for RC LLQP",
+ init_attr->cap.max_send_wr,
+ init_attr->cap.max_recv_wr);
+ return ERR_PTR(-EINVAL);
+ } else if (is_llqp && qp_type == IB_QPT_UD &&
+ init_attr->cap.max_send_wr > 255) {
ehca_err(pd->device,
"Invalid Number of max_send_wr=%x for UD QP_TYPE=%x",
- init_attr->cap.max_send_wr, init_attr->qp_type);
+ init_attr->cap.max_send_wr, qp_type);
return ERR_PTR(-EINVAL);
}
return ERR_PTR(-ENOMEM);
}
- memset (&parms, 0, sizeof(struct ehca_alloc_qp_parms));
spin_lock_init(&my_qp->spinlock_s);
spin_lock_init(&my_qp->spinlock_r);
my_qp->send_cq =
container_of(init_attr->send_cq, struct ehca_cq, ib_cq);
- my_qp->init_attr = *init_attr;
-
do {
if (!idr_pre_get(&ehca_qp_idr, GFP_KERNEL)) {
ret = -ENOMEM;
goto create_qp_exit0;
}
- parms.servicetype = ibqptype2servicetype(init_attr->qp_type);
+ parms.servicetype = ibqptype2servicetype(qp_type);
if (parms.servicetype < 0) {
ret = -EINVAL;
- ehca_err(pd->device, "Invalid qp_type=%x", init_attr->qp_type);
+ ehca_err(pd->device, "Invalid qp_type=%x", qp_type);
goto create_qp_exit0;
}
/* UD_AV CIRCUMVENTION */
max_send_sge = init_attr->cap.max_send_sge;
max_recv_sge = init_attr->cap.max_recv_sge;
- if (IB_QPT_UD == init_attr->qp_type ||
- IB_QPT_GSI == init_attr->qp_type ||
- IB_QPT_SMI == init_attr->qp_type) {
+ if (parms.servicetype == ST_UD) {
max_send_sge += 2;
max_recv_sge += 2;
}
- parms.ipz_eq_handle = shca->eq.ipz_eq_handle;
- parms.daqp_ctrl = isdaqp | daqp_completion;
+ parms.token = my_qp->token;
+ parms.eq_handle = shca->eq.ipz_eq_handle;
parms.pd = my_pd->fw_pd;
- parms.max_recv_sge = max_recv_sge;
- parms.max_send_sge = max_send_sge;
+ parms.send_cq_handle = my_qp->send_cq->ipz_cq_handle;
+ parms.recv_cq_handle = my_qp->recv_cq->ipz_cq_handle;
- h_ret = hipz_h_alloc_resource_qp(shca->ipz_hca_handle, my_qp, &parms);
+ parms.max_send_wr = init_attr->cap.max_send_wr;
+ parms.max_recv_wr = init_attr->cap.max_recv_wr;
+ parms.max_send_sge = max_send_sge;
+ parms.max_recv_sge = max_recv_sge;
+ h_ret = hipz_h_alloc_resource_qp(shca->ipz_hca_handle, &parms);
if (h_ret != H_SUCCESS) {
ehca_err(pd->device, "h_alloc_resource_qp() failed h_ret=%lx",
h_ret);
goto create_qp_exit1;
}
- my_qp->ib_qp.qp_num = my_qp->real_qp_num;
+ my_qp->ib_qp.qp_num = my_qp->real_qp_num = parms.real_qp_num;
+ my_qp->ipz_qp_handle = parms.qp_handle;
+ my_qp->galpas = parms.galpas;
- switch (init_attr->qp_type) {
+ switch (qp_type) {
case IB_QPT_RC:
- if (isdaqp == 0) {
+ if (!is_llqp) {
swqe_size = offsetof(struct ehca_wqe, u.nud.sg_list[
(parms.act_nr_send_sges)]);
rwqe_size = offsetof(struct ehca_wqe, u.nud.sg_list[
(parms.act_nr_recv_sges)]);
- } else { /* for daqp we need to use msg size, not wqe size */
+ } else { /* for LLQP we need to use msg size, not wqe size */
swqe_size = da_rc_msg_size[max_send_sge];
rwqe_size = da_rc_msg_size[max_recv_sge];
parms.act_nr_send_sges = 1;
/* UD circumvention */
parms.act_nr_recv_sges -= 2;
parms.act_nr_send_sges -= 2;
- if (isdaqp) {
+ if (is_llqp) {
swqe_size = da_ud_sq_msg_size[max_send_sge];
rwqe_size = da_rc_msg_size[max_recv_sge];
parms.act_nr_send_sges = 1;
u.ud_av.sg_list[parms.act_nr_recv_sges]);
}
- if (IB_QPT_GSI == init_attr->qp_type ||
- IB_QPT_SMI == init_attr->qp_type) {
+ if (IB_QPT_GSI == qp_type || IB_QPT_SMI == qp_type) {
parms.act_nr_send_wqes = init_attr->cap.max_send_wr;
parms.act_nr_recv_wqes = init_attr->cap.max_recv_wr;
parms.act_nr_send_sges = init_attr->cap.max_send_sge;
parms.act_nr_recv_sges = init_attr->cap.max_recv_sge;
- my_qp->ib_qp.qp_num =
- (init_attr->qp_type == IB_QPT_SMI) ? 0 : 1;
+ my_qp->ib_qp.qp_num = (qp_type == IB_QPT_SMI) ? 0 : 1;
}
break;
break;
}
- /* initializes r/squeue and registers queue pages */
- ret = init_qp_queues(shca, my_qp,
- parms.nr_sq_pages, parms.nr_rq_pages,
- swqe_size, rwqe_size,
- parms.act_nr_send_sges, parms.act_nr_recv_sges);
+ /* initialize r/squeue and register queue pages */
+ ret = init_qp_queue(shca, my_qp, &my_qp->ipz_squeue, 0,
+ has_srq ? H_SUCCESS : H_PAGE_REGISTERED,
+ parms.nr_sq_pages, swqe_size,
+ parms.act_nr_send_sges);
if (ret) {
ehca_err(pd->device,
- "Couldn't initialize r/squeue and pages ret=%x", ret);
+ "Couldn't initialize squeue and pages ret=%x", ret);
goto create_qp_exit2;
}
+ ret = init_qp_queue(shca, my_qp, &my_qp->ipz_rqueue, 1, H_SUCCESS,
+ parms.nr_rq_pages, rwqe_size,
+ parms.act_nr_recv_sges);
+ if (ret) {
+ ehca_err(pd->device,
+ "Couldn't initialize rqueue and pages ret=%x", ret);
+ goto create_qp_exit3;
+ }
+
my_qp->ib_qp.pd = &my_pd->ib_pd;
my_qp->ib_qp.device = my_pd->ib_pd.device;
my_qp->ib_qp.recv_cq = init_attr->recv_cq;
my_qp->ib_qp.send_cq = init_attr->send_cq;
- my_qp->ib_qp.qp_type = init_attr->qp_type;
-
- my_qp->qp_type = init_attr->qp_type;
+ my_qp->ib_qp.qp_type = my_qp->qp_type = qp_type;
my_qp->ib_qp.srq = init_attr->srq;
my_qp->ib_qp.qp_context = init_attr->qp_context;
init_attr->cap.max_recv_wr = parms.act_nr_recv_wqes;
init_attr->cap.max_send_sge = parms.act_nr_send_sges;
init_attr->cap.max_send_wr = parms.act_nr_send_wqes;
+ my_qp->init_attr = *init_attr;
/* NOTE: define_apq0() not supported yet */
- if (init_attr->qp_type == IB_QPT_GSI) {
+ if (qp_type == IB_QPT_GSI) {
h_ret = ehca_define_sqp(shca, my_qp, init_attr);
if (h_ret != H_SUCCESS) {
ehca_err(pd->device, "ehca_define_sqp() failed rc=%lx",
h_ret);
ret = ehca2ib_return_code(h_ret);
- goto create_qp_exit3;
+ goto create_qp_exit4;
}
}
if (init_attr->send_cq) {
if (ret) {
ehca_err(pd->device, "Couldn't assign qp to send_cq ret=%x",
ret);
- goto create_qp_exit3;
+ goto create_qp_exit4;
}
my_qp->send_cq = cq;
}
if (ib_copy_to_udata(udata, &resp, sizeof resp)) {
ehca_err(pd->device, "Copy to udata failed");
ret = -EINVAL;
- goto create_qp_exit3;
+ goto create_qp_exit4;
}
}
return &my_qp->ib_qp;
-create_qp_exit3:
+create_qp_exit4:
ipz_queue_dtor(&my_qp->ipz_rqueue);
+
+create_qp_exit3:
ipz_queue_dtor(&my_qp->ipz_squeue);
create_qp_exit2:
#define H_MP_SHUTDOWN EHCA_BMASK_IBM(48, 48)
#define H_MP_RESET_QKEY_CTR EHCA_BMASK_IBM(49, 49)
-/* direct access qp controls */
-#define DAQP_CTRL_ENABLE 0x01
-#define DAQP_CTRL_SEND_COMP 0x20
-#define DAQP_CTRL_RECV_COMP 0x40
-
static u32 get_longbusy_msecs(int longbusy_rc)
{
switch (longbusy_rc) {
}
u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle,
- struct ehca_qp *qp,
struct ehca_alloc_qp_parms *parms)
{
u64 ret;
u64 allocate_controls;
u64 max_r10_reg;
u64 outs[PLPAR_HCALL9_BUFSIZE];
- u16 max_nr_receive_wqes = qp->init_attr.cap.max_recv_wr + 1;
- u16 max_nr_send_wqes = qp->init_attr.cap.max_send_wr + 1;
- int daqp_ctrl = parms->daqp_ctrl;
allocate_controls =
- EHCA_BMASK_SET(H_ALL_RES_QP_ENHANCED_OPS,
- (daqp_ctrl & DAQP_CTRL_ENABLE) ? 1 : 0)
+ EHCA_BMASK_SET(H_ALL_RES_QP_ENHANCED_OPS, parms->ext_type)
| EHCA_BMASK_SET(H_ALL_RES_QP_PTE_PIN, 0)
| EHCA_BMASK_SET(H_ALL_RES_QP_SERVICE_TYPE, parms->servicetype)
| EHCA_BMASK_SET(H_ALL_RES_QP_SIGNALING_TYPE, parms->sigtype)
| EHCA_BMASK_SET(H_ALL_RES_QP_LL_RQ_CQE_POSTING,
- (daqp_ctrl & DAQP_CTRL_RECV_COMP) ? 1 : 0)
+ !!(parms->ll_comp_flags & LLQP_RECV_COMP))
| EHCA_BMASK_SET(H_ALL_RES_QP_LL_SQ_CQE_POSTING,
- (daqp_ctrl & DAQP_CTRL_SEND_COMP) ? 1 : 0)
+ !!(parms->ll_comp_flags & LLQP_SEND_COMP))
| EHCA_BMASK_SET(H_ALL_RES_QP_UD_AV_LKEY_CTRL,
parms->ud_av_l_key_ctl)
| EHCA_BMASK_SET(H_ALL_RES_QP_RESOURCE_TYPE, 1);
max_r10_reg =
EHCA_BMASK_SET(H_ALL_RES_QP_MAX_OUTST_SEND_WR,
- max_nr_send_wqes)
+ parms->max_send_wr + 1)
| EHCA_BMASK_SET(H_ALL_RES_QP_MAX_OUTST_RECV_WR,
- max_nr_receive_wqes)
+ parms->max_recv_wr + 1)
| EHCA_BMASK_SET(H_ALL_RES_QP_MAX_SEND_SGE,
parms->max_send_sge)
| EHCA_BMASK_SET(H_ALL_RES_QP_MAX_RECV_SGE,
ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs,
adapter_handle.handle, /* r4 */
allocate_controls, /* r5 */
- qp->send_cq->ipz_cq_handle.handle,
- qp->recv_cq->ipz_cq_handle.handle,
- parms->ipz_eq_handle.handle,
- ((u64)qp->token << 32) | parms->pd.value,
+ parms->send_cq_handle.handle,
+ parms->recv_cq_handle.handle,
+ parms->eq_handle.handle,
+ ((u64)parms->token << 32) | parms->pd.value,
max_r10_reg, /* r10 */
parms->ud_av_l_key_ctl, /* r11 */
0);
- qp->ipz_qp_handle.handle = outs[0];
- qp->real_qp_num = (u32)outs[1];
+
+ parms->qp_handle.handle = outs[0];
+ parms->real_qp_num = (u32)outs[1];
parms->act_nr_send_wqes =
(u16)EHCA_BMASK_GET(H_ALL_RES_QP_ACT_OUTST_SEND_WR, outs[2]);
parms->act_nr_recv_wqes =
(u32)EHCA_BMASK_GET(H_ALL_RES_QP_RQUEUE_SIZE_PAGES, outs[4]);
if (ret == H_SUCCESS)
- hcp_galpas_ctor(&qp->galpas, outs[6], outs[6]);
+ hcp_galpas_ctor(&parms->galpas, outs[6], outs[6]);
if (ret == H_NOT_ENOUGH_RESOURCES)
ehca_gen_err("Not enough resources. ret=%lx", ret);
projects / linux-2.6 / commitdiff