[PATCH rdma-next v1 5/5] RDMA/mlx5: Rename the mkey cache variables and functions

From: Michael Guralnik
Date: Tue Jul 26 2022 - 03:20:23 EST

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From: Aharon Landau <aharonl@xxxxxxxxxx>

After replacing the MR cache with an Mkey cache, rename the variables
and functions to fit the new meaning.

Signed-off-by: Aharon Landau <aharonl@xxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
---
drivers/infiniband/hw/mlx5/main.c | 4 +--
drivers/infiniband/hw/mlx5/mlx5_ib.h | 14 ++++----
drivers/infiniband/hw/mlx5/mr.c | 54 ++++++++++++++--------------
drivers/infiniband/hw/mlx5/odp.c | 2 +-
include/linux/mlx5/driver.h | 6 ++--
5 files changed, 40 insertions(+), 40 deletions(-)

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index b68fddeac0f1..a174a0eee8dc 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -4002,7 +4002,7 @@ static void mlx5_ib_stage_pre_ib_reg_umr_cleanup(struct mlx5_ib_dev *dev)
{
int err;

- err = mlx5_mr_cache_cleanup(dev);
+ err = mlx5_mkey_cache_cleanup(dev);
if (err)
mlx5_ib_warn(dev, "mr cache cleanup failed\n");

@@ -4022,7 +4022,7 @@ static int mlx5_ib_stage_post_ib_reg_umr_init(struct mlx5_ib_dev *dev)
if (ret)
return ret;

- ret = mlx5_mr_cache_init(dev);
+ ret = mlx5_mkey_cache_init(dev);
if (ret) {
mlx5_ib_warn(dev, "mr cache init failed %d\n", ret);
mlx5r_umr_resource_cleanup(dev);
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index 91f985cd7d90..2e2ad3918385 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -764,9 +764,9 @@ struct mlx5r_async_create_mkey {
u32 mkey;
};

-struct mlx5_mr_cache {
+struct mlx5_mkey_cache {
struct workqueue_struct *wq;
- struct mlx5_cache_ent ent[MAX_MR_CACHE_ENTRIES];
+ struct mlx5_cache_ent ent[MAX_MKEY_CACHE_ENTRIES];
struct dentry *root;
unsigned long last_add;
};
@@ -1065,7 +1065,7 @@ struct mlx5_ib_dev {
struct mlx5_ib_resources devr;

atomic_t mkey_var;
- struct mlx5_mr_cache cache;
+ struct mlx5_mkey_cache cache;
struct timer_list delay_timer;
/* Prevents soft lock on massive reg MRs */
struct mutex slow_path_mutex;
@@ -1310,8 +1310,8 @@ void mlx5_ib_populate_pas(struct ib_umem *umem, size_t page_size, __be64 *pas,
u64 access_flags);
void mlx5_ib_copy_pas(u64 *old, u64 *new, int step, int num);
int mlx5_ib_get_cqe_size(struct ib_cq *ibcq);
-int mlx5_mr_cache_init(struct mlx5_ib_dev *dev);
-int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev);
+int mlx5_mkey_cache_init(struct mlx5_ib_dev *dev);
+int mlx5_mkey_cache_cleanup(struct mlx5_ib_dev *dev);

struct mlx5_ib_mr *mlx5_mr_cache_alloc(struct mlx5_ib_dev *dev,
struct mlx5_cache_ent *ent,
@@ -1339,7 +1339,7 @@ int mlx5r_odp_create_eq(struct mlx5_ib_dev *dev, struct mlx5_ib_pf_eq *eq);
void mlx5_ib_odp_cleanup_one(struct mlx5_ib_dev *ibdev);
int __init mlx5_ib_odp_init(void);
void mlx5_ib_odp_cleanup(void);
-void mlx5_odp_init_mr_cache_entry(struct mlx5_cache_ent *ent);
+void mlx5_odp_init_mkey_cache_entry(struct mlx5_cache_ent *ent);
void mlx5_odp_populate_xlt(void *xlt, size_t idx, size_t nentries,
struct mlx5_ib_mr *mr, int flags);

@@ -1358,7 +1358,7 @@ static inline int mlx5r_odp_create_eq(struct mlx5_ib_dev *dev,
static inline void mlx5_ib_odp_cleanup_one(struct mlx5_ib_dev *ibdev) {}
static inline int mlx5_ib_odp_init(void) { return 0; }
static inline void mlx5_ib_odp_cleanup(void) {}
-static inline void mlx5_odp_init_mr_cache_entry(struct mlx5_cache_ent *ent) {}
+static inline void mlx5_odp_init_mkey_cache_entry(struct mlx5_cache_ent *ent) {}
static inline void mlx5_odp_populate_xlt(void *xlt, size_t idx, size_t nentries,
struct mlx5_ib_mr *mr, int flags) {}

diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index edbc2990d151..129d531bd01b 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -119,7 +119,7 @@ static int mlx5_ib_create_mkey_cb(struct mlx5r_async_create_mkey *async_create)
&async_create->cb_work);
}

-static int mr_cache_max_order(struct mlx5_ib_dev *dev);
+static int mkey_cache_max_order(struct mlx5_ib_dev *dev);
static void queue_adjust_cache_locked(struct mlx5_cache_ent *ent);

static int destroy_mkey(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
@@ -515,11 +515,11 @@ static const struct file_operations limit_fops = {
.read = limit_read,
};

-static bool someone_adding(struct mlx5_mr_cache *cache)
+static bool someone_adding(struct mlx5_mkey_cache *cache)
{
unsigned int i;

- for (i = 0; i < MAX_MR_CACHE_ENTRIES; i++) {
+ for (i = 0; i < MAX_MKEY_CACHE_ENTRIES; i++) {
struct mlx5_cache_ent *ent = &cache->ent[i];
bool ret;

@@ -569,7 +569,7 @@ static void queue_adjust_cache_locked(struct mlx5_cache_ent *ent)
static void __cache_work_func(struct mlx5_cache_ent *ent)
{
struct mlx5_ib_dev *dev = ent->dev;
- struct mlx5_mr_cache *cache = &dev->cache;
+ struct mlx5_mkey_cache *cache = &dev->cache;
int err;

xa_lock_irq(&ent->mkeys);
@@ -681,7 +681,7 @@ struct mlx5_ib_mr *mlx5_mr_cache_alloc(struct mlx5_ib_dev *dev,

static void clean_keys(struct mlx5_ib_dev *dev, int c)
{
- struct mlx5_mr_cache *cache = &dev->cache;
+ struct mlx5_mkey_cache *cache = &dev->cache;
struct mlx5_cache_ent *ent = &cache->ent[c];
u32 mkey;

@@ -696,7 +696,7 @@ static void clean_keys(struct mlx5_ib_dev *dev, int c)
xa_unlock_irq(&ent->mkeys);
}

-static void mlx5_mr_cache_debugfs_cleanup(struct mlx5_ib_dev *dev)
+static void mlx5_mkey_cache_debugfs_cleanup(struct mlx5_ib_dev *dev)
{
if (!mlx5_debugfs_root || dev->is_rep)
return;
@@ -705,9 +705,9 @@ static void mlx5_mr_cache_debugfs_cleanup(struct mlx5_ib_dev *dev)
dev->cache.root = NULL;
}

-static void mlx5_mr_cache_debugfs_init(struct mlx5_ib_dev *dev)
+static void mlx5_mkey_cache_debugfs_init(struct mlx5_ib_dev *dev)
{
- struct mlx5_mr_cache *cache = &dev->cache;
+ struct mlx5_mkey_cache *cache = &dev->cache;
struct mlx5_cache_ent *ent;
struct dentry *dir;
int i;
@@ -717,7 +717,7 @@ static void mlx5_mr_cache_debugfs_init(struct mlx5_ib_dev *dev)

cache->root = debugfs_create_dir("mr_cache", mlx5_debugfs_get_dev_root(dev->mdev));

- for (i = 0; i < MAX_MR_CACHE_ENTRIES; i++) {
+ for (i = 0; i < MAX_MKEY_CACHE_ENTRIES; i++) {
ent = &cache->ent[i];
sprintf(ent->name, "%d", ent->order);
dir = debugfs_create_dir(ent->name, cache->root);
@@ -735,9 +735,9 @@ static void delay_time_func(struct timer_list *t)
WRITE_ONCE(dev->fill_delay, 0);
}

-int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)
+int mlx5_mkey_cache_init(struct mlx5_ib_dev *dev)
{
- struct mlx5_mr_cache *cache = &dev->cache;
+ struct mlx5_mkey_cache *cache = &dev->cache;
struct mlx5_cache_ent *ent;
int i;

@@ -750,7 +750,7 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)

mlx5_cmd_init_async_ctx(dev->mdev, &dev->async_ctx);
timer_setup(&dev->delay_timer, delay_time_func, 0);
- for (i = 0; i < MAX_MR_CACHE_ENTRIES; i++) {
+ for (i = 0; i < MAX_MKEY_CACHE_ENTRIES; i++) {
ent = &cache->ent[i];
xa_init_flags(&ent->mkeys, XA_FLAGS_LOCK_IRQ);
ent->order = i + 2;
@@ -759,12 +759,12 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)

INIT_DELAYED_WORK(&ent->dwork, delayed_cache_work_func);

- if (i > MR_CACHE_LAST_STD_ENTRY) {
- mlx5_odp_init_mr_cache_entry(ent);
+ if (i > MKEY_CACHE_LAST_STD_ENTRY) {
+ mlx5_odp_init_mkey_cache_entry(ent);
continue;
}

- if (ent->order > mr_cache_max_order(dev))
+ if (ent->order > mkey_cache_max_order(dev))
continue;

ent->page = PAGE_SHIFT;
@@ -781,19 +781,19 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)
xa_unlock_irq(&ent->mkeys);
}

- mlx5_mr_cache_debugfs_init(dev);
+ mlx5_mkey_cache_debugfs_init(dev);

return 0;
}

-int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev)
+int mlx5_mkey_cache_cleanup(struct mlx5_ib_dev *dev)
{
unsigned int i;

if (!dev->cache.wq)
return 0;

- for (i = 0; i < MAX_MR_CACHE_ENTRIES; i++) {
+ for (i = 0; i < MAX_MKEY_CACHE_ENTRIES; i++) {
struct mlx5_cache_ent *ent = &dev->cache.ent[i];

xa_lock_irq(&ent->mkeys);
@@ -802,10 +802,10 @@ int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev)
cancel_delayed_work_sync(&ent->dwork);
}

- mlx5_mr_cache_debugfs_cleanup(dev);
+ mlx5_mkey_cache_debugfs_cleanup(dev);
mlx5_cmd_cleanup_async_ctx(&dev->async_ctx);

- for (i = 0; i < MAX_MR_CACHE_ENTRIES; i++)
+ for (i = 0; i < MAX_MKEY_CACHE_ENTRIES; i++)
clean_keys(dev, i);

destroy_workqueue(dev->cache.wq);
@@ -872,22 +872,22 @@ static int get_octo_len(u64 addr, u64 len, int page_shift)
return (npages + 1) / 2;
}

-static int mr_cache_max_order(struct mlx5_ib_dev *dev)
+static int mkey_cache_max_order(struct mlx5_ib_dev *dev)
{
if (MLX5_CAP_GEN(dev->mdev, umr_extended_translation_offset))
- return MR_CACHE_LAST_STD_ENTRY + 2;
+ return MKEY_CACHE_LAST_STD_ENTRY + 2;
return MLX5_MAX_UMR_SHIFT;
}

-static struct mlx5_cache_ent *mr_cache_ent_from_order(struct mlx5_ib_dev *dev,
- unsigned int order)
+static struct mlx5_cache_ent *mkey_cache_ent_from_order(struct mlx5_ib_dev *dev,
+ unsigned int order)
{
- struct mlx5_mr_cache *cache = &dev->cache;
+ struct mlx5_mkey_cache *cache = &dev->cache;

if (order < cache->ent[0].order)
return &cache->ent[0];
order = order - cache->ent[0].order;
- if (order > MR_CACHE_LAST_STD_ENTRY)
+ if (order > MKEY_CACHE_LAST_STD_ENTRY)
return NULL;
return &cache->ent[order];
}
@@ -930,7 +930,7 @@ static struct mlx5_ib_mr *alloc_cacheable_mr(struct ib_pd *pd,
0, iova);
if (WARN_ON(!page_size))
return ERR_PTR(-EINVAL);
- ent = mr_cache_ent_from_order(
+ ent = mkey_cache_ent_from_order(
dev, order_base_2(ib_umem_num_dma_blocks(umem, page_size)));
/*
* Matches access in alloc_cache_mr(). If the MR can't come from the
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index 84da5674e1ab..e305bf1dc6c2 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -1588,7 +1588,7 @@ mlx5_ib_odp_destroy_eq(struct mlx5_ib_dev *dev, struct mlx5_ib_pf_eq *eq)
return err;
}

-void mlx5_odp_init_mr_cache_entry(struct mlx5_cache_ent *ent)
+void mlx5_odp_init_mkey_cache_entry(struct mlx5_cache_ent *ent)
{
if (!(ent->dev->odp_caps.general_caps & IB_ODP_SUPPORT_IMPLICIT))
return;
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 76d7661e3e63..220597c2f436 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -728,10 +728,10 @@ enum {
};

enum {
- MR_CACHE_LAST_STD_ENTRY = 20,
+ MKEY_CACHE_LAST_STD_ENTRY = 20,
MLX5_IMR_MTT_CACHE_ENTRY,
MLX5_IMR_KSM_CACHE_ENTRY,
- MAX_MR_CACHE_ENTRIES
+ MAX_MKEY_CACHE_ENTRIES
};

struct mlx5_profile {
@@ -740,7 +740,7 @@ struct mlx5_profile {
struct {
int size;
int limit;
- } mr_cache[MAX_MR_CACHE_ENTRIES];
+ } mr_cache[MAX_MKEY_CACHE_ENTRIES];
};

struct mlx5_hca_cap {
--
2.17.2

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