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path: root/drivers/infiniband/hw/mlx5/mr.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/mr.c')
-rw-r--r--drivers/infiniband/hw/mlx5/mr.c83
1 files changed, 42 insertions, 41 deletions
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 3be36ebbf67a..14c5564428ab 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -88,9 +88,8 @@ static void set_mkc_access_pd_addr_fields(void *mkc, int acc, u64 start_addr,
MLX5_SET64(mkc, mkc, start_addr, start_addr);
}
-static void
-assign_mkey_variant(struct mlx5_ib_dev *dev, struct mlx5_core_mkey *mkey,
- u32 *in)
+static void assign_mkey_variant(struct mlx5_ib_dev *dev,
+ struct mlx5_ib_mkey *mkey, u32 *in)
{
u8 key = atomic_inc_return(&dev->mkey_var);
void *mkc;
@@ -100,17 +99,22 @@ assign_mkey_variant(struct mlx5_ib_dev *dev, struct mlx5_core_mkey *mkey,
mkey->key = key;
}
-static int
-mlx5_ib_create_mkey(struct mlx5_ib_dev *dev, struct mlx5_core_mkey *mkey,
- u32 *in, int inlen)
+static int mlx5_ib_create_mkey(struct mlx5_ib_dev *dev,
+ struct mlx5_ib_mkey *mkey, u32 *in, int inlen)
{
+ int ret;
+
assign_mkey_variant(dev, mkey, in);
- return mlx5_core_create_mkey(dev->mdev, mkey, in, inlen);
+ ret = mlx5_core_create_mkey(dev->mdev, &mkey->key, in, inlen);
+ if (!ret)
+ init_waitqueue_head(&mkey->wait);
+
+ return ret;
}
static int
mlx5_ib_create_mkey_cb(struct mlx5_ib_dev *dev,
- struct mlx5_core_mkey *mkey,
+ struct mlx5_ib_mkey *mkey,
struct mlx5_async_ctx *async_ctx,
u32 *in, int inlen, u32 *out, int outlen,
struct mlx5_async_work *context)
@@ -133,7 +137,7 @@ static int destroy_mkey(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
{
WARN_ON(xa_load(&dev->odp_mkeys, mlx5_base_mkey(mr->mmkey.key)));
- return mlx5_core_destroy_mkey(dev->mdev, &mr->mmkey);
+ return mlx5_core_destroy_mkey(dev->mdev, mr->mmkey.key);
}
static void create_mkey_callback(int status, struct mlx5_async_work *context)
@@ -260,10 +264,11 @@ static struct mlx5_ib_mr *create_cache_mr(struct mlx5_cache_ent *ent)
goto free_in;
}
- err = mlx5_core_create_mkey(ent->dev->mdev, &mr->mmkey, in, inlen);
+ err = mlx5_core_create_mkey(ent->dev->mdev, &mr->mmkey.key, in, inlen);
if (err)
goto free_mr;
+ init_waitqueue_head(&mr->mmkey.wait);
mr->mmkey.type = MLX5_MKEY_MR;
WRITE_ONCE(ent->dev->cache.last_add, jiffies);
spin_lock_irq(&ent->lock);
@@ -290,7 +295,7 @@ static void remove_cache_mr_locked(struct mlx5_cache_ent *ent)
ent->available_mrs--;
ent->total_mrs--;
spin_unlock_irq(&ent->lock);
- mlx5_core_destroy_mkey(ent->dev->mdev, &mr->mmkey);
+ mlx5_core_destroy_mkey(ent->dev->mdev, mr->mmkey.key);
kfree(mr);
spin_lock_irq(&ent->lock);
}
@@ -658,7 +663,7 @@ static void clean_keys(struct mlx5_ib_dev *dev, int c)
ent->available_mrs--;
ent->total_mrs--;
spin_unlock_irq(&ent->lock);
- mlx5_core_destroy_mkey(dev->mdev, &mr->mmkey);
+ mlx5_core_destroy_mkey(dev->mdev, mr->mmkey.key);
}
list_for_each_entry_safe(mr, tmp_mr, &del_list, list) {
@@ -911,12 +916,13 @@ static struct mlx5_cache_ent *mr_cache_ent_from_order(struct mlx5_ib_dev *dev,
}
static void set_mr_fields(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr,
- u64 length, int access_flags)
+ u64 length, int access_flags, u64 iova)
{
mr->ibmr.lkey = mr->mmkey.key;
mr->ibmr.rkey = mr->mmkey.key;
mr->ibmr.length = length;
mr->ibmr.device = &dev->ib_dev;
+ mr->ibmr.iova = iova;
mr->access_flags = access_flags;
}
@@ -974,11 +980,8 @@ static struct mlx5_ib_mr *alloc_cacheable_mr(struct ib_pd *pd,
mr->ibmr.pd = pd;
mr->umem = umem;
- mr->mmkey.iova = iova;
- mr->mmkey.size = umem->length;
- mr->mmkey.pd = to_mpd(pd)->pdn;
mr->page_shift = order_base_2(page_size);
- set_mr_fields(dev, mr, umem->length, access_flags);
+ set_mr_fields(dev, mr, umem->length, access_flags, iova);
return mr;
}
@@ -1087,8 +1090,8 @@ static void *mlx5_ib_create_xlt_wr(struct mlx5_ib_mr *mr,
wr->wr.opcode = MLX5_IB_WR_UMR;
wr->pd = mr->ibmr.pd;
wr->mkey = mr->mmkey.key;
- wr->length = mr->mmkey.size;
- wr->virt_addr = mr->mmkey.iova;
+ wr->length = mr->ibmr.length;
+ wr->virt_addr = mr->ibmr.iova;
wr->access_flags = mr->access_flags;
wr->page_shift = mr->page_shift;
wr->xlt_size = sg->length;
@@ -1341,7 +1344,7 @@ static struct mlx5_ib_mr *reg_create(struct ib_pd *pd, struct ib_umem *umem,
mr->mmkey.type = MLX5_MKEY_MR;
mr->desc_size = sizeof(struct mlx5_mtt);
mr->umem = umem;
- set_mr_fields(dev, mr, umem->length, access_flags);
+ set_mr_fields(dev, mr, umem->length, access_flags, iova);
kvfree(in);
mlx5_ib_dbg(dev, "mkey = 0x%x\n", mr->mmkey.key);
@@ -1388,7 +1391,7 @@ static struct ib_mr *mlx5_ib_get_dm_mr(struct ib_pd *pd, u64 start_addr,
kfree(in);
- set_mr_fields(dev, mr, length, acc);
+ set_mr_fields(dev, mr, length, acc, start_addr);
return &mr->ibmr;
@@ -1709,7 +1712,6 @@ static int umr_rereg_pd_access(struct mlx5_ib_mr *mr, struct ib_pd *pd,
return err;
mr->access_flags = access_flags;
- mr->mmkey.pd = to_mpd(pd)->pdn;
return 0;
}
@@ -1754,7 +1756,6 @@ static int umr_rereg_pas(struct mlx5_ib_mr *mr, struct ib_pd *pd,
if (flags & IB_MR_REREG_PD) {
mr->ibmr.pd = pd;
- mr->mmkey.pd = to_mpd(pd)->pdn;
upd_flags |= MLX5_IB_UPD_XLT_PD;
}
if (flags & IB_MR_REREG_ACCESS) {
@@ -1763,8 +1764,8 @@ static int umr_rereg_pas(struct mlx5_ib_mr *mr, struct ib_pd *pd,
}
mr->ibmr.length = new_umem->length;
- mr->mmkey.iova = iova;
- mr->mmkey.size = new_umem->length;
+ mr->ibmr.iova = iova;
+ mr->ibmr.length = new_umem->length;
mr->page_shift = order_base_2(page_size);
mr->umem = new_umem;
err = mlx5_ib_update_mr_pas(mr, upd_flags);
@@ -1834,7 +1835,7 @@ struct ib_mr *mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
mr->umem = NULL;
atomic_sub(ib_umem_num_pages(umem), &dev->mdev->priv.reg_pages);
- return create_real_mr(new_pd, umem, mr->mmkey.iova,
+ return create_real_mr(new_pd, umem, mr->ibmr.iova,
new_access_flags);
}
@@ -2263,9 +2264,9 @@ int mlx5_ib_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata)
struct mlx5_ib_dev *dev = to_mdev(ibmw->device);
int inlen = MLX5_ST_SZ_BYTES(create_mkey_in);
struct mlx5_ib_mw *mw = to_mmw(ibmw);
+ unsigned int ndescs;
u32 *in = NULL;
void *mkc;
- int ndescs;
int err;
struct mlx5_ib_alloc_mw req = {};
struct {
@@ -2310,7 +2311,7 @@ int mlx5_ib_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata)
mw->mmkey.type = MLX5_MKEY_MW;
ibmw->rkey = mw->mmkey.key;
- mw->ndescs = ndescs;
+ mw->mmkey.ndescs = ndescs;
resp.response_length =
min(offsetofend(typeof(resp), response_length), udata->outlen);
@@ -2330,7 +2331,7 @@ int mlx5_ib_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata)
return 0;
free_mkey:
- mlx5_core_destroy_mkey(dev->mdev, &mw->mmkey);
+ mlx5_core_destroy_mkey(dev->mdev, mw->mmkey.key);
free:
kfree(in);
return err;
@@ -2349,7 +2350,7 @@ int mlx5_ib_dealloc_mw(struct ib_mw *mw)
*/
mlx5r_deref_wait_odp_mkey(&mmw->mmkey);
- return mlx5_core_destroy_mkey(dev->mdev, &mmw->mmkey);
+ return mlx5_core_destroy_mkey(dev->mdev, mmw->mmkey.key);
}
int mlx5_ib_check_mr_status(struct ib_mr *ibmr, u32 check_mask,
@@ -2406,7 +2407,7 @@ mlx5_ib_map_pa_mr_sg_pi(struct ib_mr *ibmr, struct scatterlist *data_sg,
mr->meta_length = 0;
if (data_sg_nents == 1) {
n++;
- mr->ndescs = 1;
+ mr->mmkey.ndescs = 1;
if (data_sg_offset)
sg_offset = *data_sg_offset;
mr->data_length = sg_dma_len(data_sg) - sg_offset;
@@ -2459,7 +2460,7 @@ mlx5_ib_sg_to_klms(struct mlx5_ib_mr *mr,
if (sg_offset_p)
*sg_offset_p = sg_offset;
- mr->ndescs = i;
+ mr->mmkey.ndescs = i;
mr->data_length = mr->ibmr.length;
if (meta_sg_nents) {
@@ -2492,11 +2493,11 @@ static int mlx5_set_page(struct ib_mr *ibmr, u64 addr)
struct mlx5_ib_mr *mr = to_mmr(ibmr);
__be64 *descs;
- if (unlikely(mr->ndescs == mr->max_descs))
+ if (unlikely(mr->mmkey.ndescs == mr->max_descs))
return -ENOMEM;
descs = mr->descs;
- descs[mr->ndescs++] = cpu_to_be64(addr | MLX5_EN_RD | MLX5_EN_WR);
+ descs[mr->mmkey.ndescs++] = cpu_to_be64(addr | MLX5_EN_RD | MLX5_EN_WR);
return 0;
}
@@ -2506,11 +2507,11 @@ static int mlx5_set_page_pi(struct ib_mr *ibmr, u64 addr)
struct mlx5_ib_mr *mr = to_mmr(ibmr);
__be64 *descs;
- if (unlikely(mr->ndescs + mr->meta_ndescs == mr->max_descs))
+ if (unlikely(mr->mmkey.ndescs + mr->meta_ndescs == mr->max_descs))
return -ENOMEM;
descs = mr->descs;
- descs[mr->ndescs + mr->meta_ndescs++] =
+ descs[mr->mmkey.ndescs + mr->meta_ndescs++] =
cpu_to_be64(addr | MLX5_EN_RD | MLX5_EN_WR);
return 0;
@@ -2526,7 +2527,7 @@ mlx5_ib_map_mtt_mr_sg_pi(struct ib_mr *ibmr, struct scatterlist *data_sg,
struct mlx5_ib_mr *pi_mr = mr->mtt_mr;
int n;
- pi_mr->ndescs = 0;
+ pi_mr->mmkey.ndescs = 0;
pi_mr->meta_ndescs = 0;
pi_mr->meta_length = 0;
@@ -2560,7 +2561,7 @@ mlx5_ib_map_mtt_mr_sg_pi(struct ib_mr *ibmr, struct scatterlist *data_sg,
* metadata offset at the first metadata page
*/
pi_mr->pi_iova = (iova & page_mask) +
- pi_mr->ndescs * ibmr->page_size +
+ pi_mr->mmkey.ndescs * ibmr->page_size +
(pi_mr->ibmr.iova & ~page_mask);
/*
* In order to use one MTT MR for data and metadata, we register
@@ -2591,7 +2592,7 @@ mlx5_ib_map_klm_mr_sg_pi(struct ib_mr *ibmr, struct scatterlist *data_sg,
struct mlx5_ib_mr *pi_mr = mr->klm_mr;
int n;
- pi_mr->ndescs = 0;
+ pi_mr->mmkey.ndescs = 0;
pi_mr->meta_ndescs = 0;
pi_mr->meta_length = 0;
@@ -2626,7 +2627,7 @@ int mlx5_ib_map_mr_sg_pi(struct ib_mr *ibmr, struct scatterlist *data_sg,
WARN_ON(ibmr->type != IB_MR_TYPE_INTEGRITY);
- mr->ndescs = 0;
+ mr->mmkey.ndescs = 0;
mr->data_length = 0;
mr->data_iova = 0;
mr->meta_ndescs = 0;
@@ -2682,7 +2683,7 @@ int mlx5_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
struct mlx5_ib_mr *mr = to_mmr(ibmr);
int n;
- mr->ndescs = 0;
+ mr->mmkey.ndescs = 0;
ib_dma_sync_single_for_cpu(ibmr->device, mr->desc_map,
mr->desc_size * mr->max_descs,