diff options
Diffstat (limited to 'drivers/infiniband/hw/irdma/utils.c')
-rw-r--r-- | drivers/infiniband/hw/irdma/utils.c | 73 |
1 files changed, 19 insertions, 54 deletions
diff --git a/drivers/infiniband/hw/irdma/utils.c b/drivers/infiniband/hw/irdma/utils.c index ac91ea5296db..398736d8c78a 100644 --- a/drivers/infiniband/hw/irdma/utils.c +++ b/drivers/infiniband/hw/irdma/utils.c @@ -11,7 +11,7 @@ * @action: modify, delete or add */ int irdma_arp_table(struct irdma_pci_f *rf, u32 *ip_addr, bool ipv4, - u8 *mac_addr, u32 action) + const u8 *mac_addr, u32 action) { unsigned long flags; int arp_index; @@ -77,7 +77,7 @@ int irdma_arp_table(struct irdma_pci_f *rf, u32 *ip_addr, bool ipv4, * @ipv4: IPv4 flag * @mac: MAC address */ -int irdma_add_arp(struct irdma_pci_f *rf, u32 *ip, bool ipv4, u8 *mac) +int irdma_add_arp(struct irdma_pci_f *rf, u32 *ip, bool ipv4, const u8 *mac) { int arpidx; @@ -768,17 +768,6 @@ struct ib_qp *irdma_get_qp(struct ib_device *device, int qpn) } /** - * irdma_get_hw_addr - return hw addr - * @par: points to shared dev - */ -u8 __iomem *irdma_get_hw_addr(void *par) -{ - struct irdma_sc_dev *dev = par; - - return dev->hw->hw_addr; -} - -/** * irdma_remove_cqp_head - return head entry and remove * @dev: device */ @@ -2060,40 +2049,6 @@ exit: } /** - * irdma_cqp_up_map_cmd - Set the up-up mapping - * @dev: pointer to device structure - * @cmd: map command - * @map_info: pointer to up map info - */ -enum irdma_status_code irdma_cqp_up_map_cmd(struct irdma_sc_dev *dev, u8 cmd, - struct irdma_up_info *map_info) -{ - struct irdma_pci_f *rf = dev_to_rf(dev); - struct irdma_cqp *iwcqp = &rf->cqp; - struct irdma_sc_cqp *cqp = &iwcqp->sc_cqp; - struct irdma_cqp_request *cqp_request; - struct cqp_cmds_info *cqp_info; - enum irdma_status_code status; - - cqp_request = irdma_alloc_and_get_cqp_request(iwcqp, false); - if (!cqp_request) - return IRDMA_ERR_NO_MEMORY; - - cqp_info = &cqp_request->info; - memset(cqp_info, 0, sizeof(*cqp_info)); - cqp_info->cqp_cmd = cmd; - cqp_info->post_sq = 1; - cqp_info->in.u.up_map.info = *map_info; - cqp_info->in.u.up_map.cqp = cqp; - cqp_info->in.u.up_map.scratch = (uintptr_t)cqp_request; - - status = irdma_handle_cqp_op(rf, cqp_request); - irdma_put_cqp_request(&rf->cqp, cqp_request); - - return status; -} - -/** * irdma_ah_cqp_op - perform an AH cqp operation * @rf: RDMA PCI function * @sc_ah: address handle @@ -2284,15 +2239,10 @@ enum irdma_status_code irdma_prm_add_pble_mem(struct irdma_pble_prm *pprm, sizeofbitmap = (u64)pchunk->size >> pprm->pble_shift; - pchunk->bitmapmem.size = sizeofbitmap >> 3; - pchunk->bitmapmem.va = kzalloc(pchunk->bitmapmem.size, GFP_KERNEL); - - if (!pchunk->bitmapmem.va) + pchunk->bitmapbuf = bitmap_zalloc(sizeofbitmap, GFP_KERNEL); + if (!pchunk->bitmapbuf) return IRDMA_ERR_NO_MEMORY; - pchunk->bitmapbuf = pchunk->bitmapmem.va; - bitmap_zero(pchunk->bitmapbuf, sizeofbitmap); - pchunk->sizeofbitmap = sizeofbitmap; /* each pble is 8 bytes hence shift by 3 */ pprm->total_pble_alloc += pchunk->size >> 3; @@ -2536,3 +2486,18 @@ void irdma_ib_qp_event(struct irdma_qp *iwqp, enum irdma_qp_event_type event) ibevent.element.qp = &iwqp->ibqp; iwqp->ibqp.event_handler(&ibevent, iwqp->ibqp.qp_context); } + +bool irdma_cq_empty(struct irdma_cq *iwcq) +{ + struct irdma_cq_uk *ukcq; + u64 qword3; + __le64 *cqe; + u8 polarity; + + ukcq = &iwcq->sc_cq.cq_uk; + cqe = IRDMA_GET_CURRENT_CQ_ELEM(ukcq); + get_64bit_val(cqe, 24, &qword3); + polarity = (u8)FIELD_GET(IRDMA_CQ_VALID, qword3); + + return polarity != ukcq->polarity; +} |