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path: root/drivers/net/ethernet/intel/ice/ice_idc.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_idc.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_idc.c54
1 files changed, 40 insertions, 14 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_idc.c b/drivers/net/ethernet/intel/ice/ice_idc.c
index e6bc2285071e..145b27f2a4ce 100644
--- a/drivers/net/ethernet/intel/ice/ice_idc.c
+++ b/drivers/net/ethernet/intel/ice/ice_idc.c
@@ -229,20 +229,34 @@ void ice_get_qos_params(struct ice_pf *pf, struct iidc_qos_params *qos)
EXPORT_SYMBOL_GPL(ice_get_qos_params);
/**
- * ice_reserve_rdma_qvector - Reserve vector resources for RDMA driver
+ * ice_alloc_rdma_qvectors - Allocate vector resources for RDMA driver
* @pf: board private structure to initialize
*/
-static int ice_reserve_rdma_qvector(struct ice_pf *pf)
+static int ice_alloc_rdma_qvectors(struct ice_pf *pf)
{
if (ice_is_rdma_ena(pf)) {
- int index;
-
- index = ice_get_res(pf, pf->irq_tracker, pf->num_rdma_msix,
- ICE_RES_RDMA_VEC_ID);
- if (index < 0)
- return index;
- pf->num_avail_sw_msix -= pf->num_rdma_msix;
- pf->rdma_base_vector = (u16)index;
+ int i;
+
+ pf->msix_entries = kcalloc(pf->num_rdma_msix,
+ sizeof(*pf->msix_entries),
+ GFP_KERNEL);
+ if (!pf->msix_entries)
+ return -ENOMEM;
+
+ /* RDMA is the only user of pf->msix_entries array */
+ pf->rdma_base_vector = 0;
+
+ for (i = 0; i < pf->num_rdma_msix; i++) {
+ struct msix_entry *entry = &pf->msix_entries[i];
+ struct msi_map map;
+
+ map = ice_alloc_irq(pf, false);
+ if (map.index < 0)
+ break;
+
+ entry->entry = map.index;
+ entry->vector = map.virq;
+ }
}
return 0;
}
@@ -253,9 +267,21 @@ static int ice_reserve_rdma_qvector(struct ice_pf *pf)
*/
static void ice_free_rdma_qvector(struct ice_pf *pf)
{
- pf->num_avail_sw_msix -= pf->num_rdma_msix;
- ice_free_res(pf->irq_tracker, pf->rdma_base_vector,
- ICE_RES_RDMA_VEC_ID);
+ int i;
+
+ if (!pf->msix_entries)
+ return;
+
+ for (i = 0; i < pf->num_rdma_msix; i++) {
+ struct msi_map map;
+
+ map.index = pf->msix_entries[i].entry;
+ map.virq = pf->msix_entries[i].vector;
+ ice_free_irq(pf, map);
+ }
+
+ kfree(pf->msix_entries);
+ pf->msix_entries = NULL;
}
/**
@@ -357,7 +383,7 @@ int ice_init_rdma(struct ice_pf *pf)
}
/* Reserve vector resources */
- ret = ice_reserve_rdma_qvector(pf);
+ ret = ice_alloc_rdma_qvectors(pf);
if (ret < 0) {
dev_err(dev, "failed to reserve vectors for RDMA\n");
goto err_reserve_rdma_qvector;