OSAL_IOV_VF_CLEANUP(p_hwfn, p_vf->relative_vf_id);
}
+/* Returns either 0, or log(size) */
+static u32 ecore_iov_vf_db_bar_size(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt)
+{
+ u32 val = ecore_rd(p_hwfn, p_ptt, PGLUE_B_REG_VF_BAR1_SIZE);
+
+ if (val)
+ return val + 11;
+ return 0;
+}
+
+static void
+ecore_iov_vf_mbx_acquire_resc_cids(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt,
+ struct ecore_vf_info *p_vf,
+ struct vf_pf_resc_request *p_req,
+ struct pf_vf_resc *p_resp)
+{
+ u8 num_vf_cons = p_hwfn->pf_params.eth_pf_params.num_vf_cons;
+ u8 db_size = DB_ADDR_VF(1, DQ_DEMS_LEGACY) -
+ DB_ADDR_VF(0, DQ_DEMS_LEGACY);
+ u32 bar_size;
+
+ p_resp->num_cids = OSAL_MIN_T(u8, p_req->num_cids, num_vf_cons);
+
+ /* If VF didn't bother asking for QIDs than don't bother limiting
+ * number of CIDs. The VF doesn't care about the number, and this
+ * has the likely result of causing an additional acquisition.
+ */
+ if (!(p_vf->acquire.vfdev_info.capabilities &
+ VFPF_ACQUIRE_CAP_QUEUE_QIDS))
+ return;
+
+ /* If doorbell bar was mapped by VF, limit the VF CIDs to an amount
+ * that would make sure doorbells for all CIDs fall within the bar.
+ * If it doesn't, make sure regview window is sufficient.
+ */
+ if (p_vf->acquire.vfdev_info.capabilities &
+ VFPF_ACQUIRE_CAP_PHYSICAL_BAR) {
+ bar_size = ecore_iov_vf_db_bar_size(p_hwfn, p_ptt);
+ if (bar_size)
+ bar_size = 1 << bar_size;
+
+ if (ECORE_IS_CMT(p_hwfn->p_dev))
+ bar_size /= 2;
+ } else {
+ bar_size = PXP_VF_BAR0_DQ_LENGTH;
+ }
+
+ if (bar_size / db_size < 256)
+ p_resp->num_cids = OSAL_MIN_T(u8, p_resp->num_cids,
+ (u8)(bar_size / db_size));
+}
+
static u8 ecore_iov_vf_mbx_acquire_resc(struct ecore_hwfn *p_hwfn,
+ struct ecore_ptt *p_ptt,
struct ecore_vf_info *p_vf,
struct vf_pf_resc_request *p_req,
struct pf_vf_resc *p_resp)
p_resp->num_vlan_filters = OSAL_MIN_T(u8, p_vf->num_vlan_filters,
p_req->num_vlan_filters);
- p_resp->num_cids =
- OSAL_MIN_T(u8, p_req->num_cids,
- p_hwfn->pf_params.eth_pf_params.num_vf_cons);
+ ecore_iov_vf_mbx_acquire_resc_cids(p_hwfn, p_ptt, p_vf, p_req, p_resp);
/* This isn't really needed/enforced, but some legacy VFs might depend
* on the correct filling of this field.
if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_QUEUE_QIDS)
pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_QUEUE_QIDS;
+ /* Share the sizes of the bars with VF */
+ resp->pfdev_info.bar_size = (u8)ecore_iov_vf_db_bar_size(p_hwfn,
+ p_ptt);
+
ecore_iov_vf_mbx_acquire_stats(&pfdev_info->stats_info);
OSAL_MEMCPY(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr,
/* Fill resources available to VF; Make sure there are enough to
* satisfy the VF's request.
*/
- vfpf_status = ecore_iov_vf_mbx_acquire_resc(p_hwfn, vf,
+ vfpf_status = ecore_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,
&req->resc_request, resc);
if (vfpf_status != PFVF_STATUS_SUCCESS)
goto out;
p_qid_tlv->qid = p_cid->qid_usage_idx;
}
+enum _ecore_status_t _ecore_vf_pf_release(struct ecore_hwfn *p_hwfn,
+ bool b_final)
+{
+ struct ecore_vf_iov *p_iov = p_hwfn->vf_iov_info;
+ struct pfvf_def_resp_tlv *resp;
+ struct vfpf_first_tlv *req;
+ u32 size;
+ enum _ecore_status_t rc;
+
+ /* clear mailbox and prep first tlv */
+ req = ecore_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
+
+ /* add list termination tlv */
+ ecore_add_tlv(&p_iov->offset,
+ CHANNEL_TLV_LIST_END,
+ sizeof(struct channel_list_end_tlv));
+
+ resp = &p_iov->pf2vf_reply->default_resp;
+ rc = ecore_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
+
+ if (rc == ECORE_SUCCESS && resp->hdr.status != PFVF_STATUS_SUCCESS)
+ rc = ECORE_AGAIN;
+
+ ecore_vf_pf_req_end(p_hwfn, rc);
+ if (!b_final)
+ return rc;
+
+ p_hwfn->b_int_enabled = 0;
+
+ if (p_iov->vf2pf_request)
+ OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
+ p_iov->vf2pf_request,
+ p_iov->vf2pf_request_phys,
+ sizeof(union vfpf_tlvs));
+ if (p_iov->pf2vf_reply)
+ OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
+ p_iov->pf2vf_reply,
+ p_iov->pf2vf_reply_phys,
+ sizeof(union pfvf_tlvs));
+
+ if (p_iov->bulletin.p_virt) {
+ size = sizeof(struct ecore_bulletin_content);
+ OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
+ p_iov->bulletin.p_virt,
+ p_iov->bulletin.phys,
+ size);
+ }
+
+#ifdef CONFIG_ECORE_LOCK_ALLOC
+ OSAL_MUTEX_DEALLOC(&p_iov->mutex);
+#endif
+
+ OSAL_FREE(p_hwfn->p_dev, p_hwfn->vf_iov_info);
+ p_hwfn->vf_iov_info = OSAL_NULL;
+
+ return rc;
+}
+
+enum _ecore_status_t ecore_vf_pf_release(struct ecore_hwfn *p_hwfn)
+{
+ return _ecore_vf_pf_release(p_hwfn, true);
+}
+
#define VF_ACQUIRE_THRESH 3
static void ecore_vf_pf_acquire_reduce_resc(struct ecore_hwfn *p_hwfn,
struct vf_pf_resc_request *p_req,
/* Fill capability field with any non-deprecated config we support */
req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
+ /* If we've mapped the doorbell bar, try using queue qids */
+ if (p_iov->b_doorbell_bar)
+ req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
+ VFPF_ACQUIRE_CAP_QUEUE_QIDS;
+
/* pf 2 vf bulletin board address */
req->bulletin_addr = p_iov->bulletin.phys;
req->bulletin_size = p_iov->bulletin.size;
return rc;
}
+u32 ecore_vf_hw_bar_size(struct ecore_hwfn *p_hwfn,
+ enum BAR_ID bar_id)
+{
+ u32 bar_size;
+
+ /* Regview size is fixed */
+ if (bar_id == BAR_ID_0)
+ return 1 << 17;
+
+ /* Doorbell is received from PF */
+ bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
+ if (bar_size)
+ return 1 << bar_size;
+ return 0;
+}
+
enum _ecore_status_t ecore_vf_hw_prepare(struct ecore_hwfn *p_hwfn)
{
+ struct ecore_hwfn *p_lead = ECORE_LEADING_HWFN(p_hwfn->p_dev);
struct ecore_vf_iov *p_iov;
u32 reg;
+ enum _ecore_status_t rc;
/* Set number of hwfns - might be overridden once leading hwfn learns
* actual configuration from PF.
if (IS_LEAD_HWFN(p_hwfn))
p_hwfn->p_dev->num_hwfns = 1;
- /* Set the doorbell bar. Assumption: regview is set */
- p_hwfn->doorbells = (u8 OSAL_IOMEM *)p_hwfn->regview +
- PXP_VF_BAR0_START_DQ;
-
reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
return ECORE_NOMEM;
}
+ /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
+ * value, but there are several incompatibily scenarios where that
+ * would be incorrect and we'd need to override it.
+ */
+ if (p_hwfn->doorbells == OSAL_NULL) {
+ p_hwfn->doorbells = (u8 OSAL_IOMEM *)p_hwfn->regview +
+ PXP_VF_BAR0_START_DQ;
+ } else if (p_hwfn == p_lead) {
+ /* For leading hw-function, value is always correct, but need
+ * to handle scenario where legacy PF would not support 100g
+ * mapped bars later.
+ */
+ p_iov->b_doorbell_bar = true;
+ } else {
+ /* here, value would be correct ONLY if the leading hwfn
+ * received indication that mapped-bars are supported.
+ */
+ if (p_lead->vf_iov_info->b_doorbell_bar)
+ p_iov->b_doorbell_bar = true;
+ else
+ p_hwfn->doorbells = (u8 OSAL_IOMEM *)
+ p_hwfn->regview +
+ PXP_VF_BAR0_START_DQ;
+ }
+
/* Allocate vf2pf msg */
p_iov->vf2pf_request = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev,
&p_iov->
p_hwfn->hw_info.personality = ECORE_PCI_ETH;
- return ecore_vf_pf_acquire(p_hwfn);
+ rc = ecore_vf_pf_acquire(p_hwfn);
+
+ /* If VF is 100g using a mapped bar and PF is too old to support that,
+ * acquisition would succeed - but the VF would have no way knowing
+ * the size of the doorbell bar configured in HW and thus will not
+ * know how to split it for 2nd hw-function.
+ * In this case we re-try without the indication of the mapped
+ * doorbell.
+ */
+ if (rc == ECORE_SUCCESS &&
+ p_iov->b_doorbell_bar &&
+ !ecore_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
+ ECORE_IS_CMT(p_hwfn->p_dev)) {
+ rc = _ecore_vf_pf_release(p_hwfn, false);
+ if (rc != ECORE_SUCCESS)
+ return rc;
+
+ p_iov->b_doorbell_bar = false;
+ p_hwfn->doorbells = (u8 OSAL_IOMEM *)p_hwfn->regview +
+ PXP_VF_BAR0_START_DQ;
+ rc = ecore_vf_pf_acquire(p_hwfn);
+ }
+
+ DP_VERBOSE(p_hwfn, ECORE_MSG_IOV,
+ "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
+ p_hwfn->regview, p_hwfn->doorbells,
+ p_hwfn->p_dev->doorbells);
+
+ return rc;
free_vf2pf_request:
OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_iov->vf2pf_request,
return rc;
}
-enum _ecore_status_t ecore_vf_pf_release(struct ecore_hwfn *p_hwfn)
-{
- struct ecore_vf_iov *p_iov = p_hwfn->vf_iov_info;
- struct pfvf_def_resp_tlv *resp;
- struct vfpf_first_tlv *req;
- u32 size;
- enum _ecore_status_t rc;
-
- /* clear mailbox and prep first tlv */
- req = ecore_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
-
- /* add list termination tlv */
- ecore_add_tlv(&p_iov->offset,
- CHANNEL_TLV_LIST_END,
- sizeof(struct channel_list_end_tlv));
-
- resp = &p_iov->pf2vf_reply->default_resp;
- rc = ecore_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
-
- if (rc == ECORE_SUCCESS && resp->hdr.status != PFVF_STATUS_SUCCESS)
- rc = ECORE_AGAIN;
-
- ecore_vf_pf_req_end(p_hwfn, rc);
-
- p_hwfn->b_int_enabled = 0;
-
- if (p_iov->vf2pf_request)
- OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
- p_iov->vf2pf_request,
- p_iov->vf2pf_request_phys,
- sizeof(union vfpf_tlvs));
- if (p_iov->pf2vf_reply)
- OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
- p_iov->pf2vf_reply,
- p_iov->pf2vf_reply_phys,
- sizeof(union pfvf_tlvs));
-
- if (p_iov->bulletin.p_virt) {
- size = sizeof(struct ecore_bulletin_content);
- OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
- p_iov->bulletin.p_virt,
- p_iov->bulletin.phys, size);
- }
-
-#ifdef CONFIG_ECORE_LOCK_ALLOC
- OSAL_MUTEX_DEALLOC(&p_iov->mutex);
-#endif
-
- OSAL_FREE(p_hwfn->p_dev, p_hwfn->vf_iov_info);
-
- return rc;
-}
-
void ecore_vf_pf_filter_mcast(struct ecore_hwfn *p_hwfn,
struct ecore_filter_mcast *p_filter_cmd)
{
git.droids-corp.org / dpdk.git / commitdiff