Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/infiniband/sw/rdmavt/mr.c b/drivers/infiniband/sw/rdmavt/mr.c
index a6a39f0..90fc234 100644
--- a/drivers/infiniband/sw/rdmavt/mr.c
+++ b/drivers/infiniband/sw/rdmavt/mr.c
@@ -97,7 +97,6 @@
RCU_INIT_POINTER(rdi->lkey_table.table[i], NULL);
rdi->dparms.props.max_mr = rdi->lkey_table.max;
- rdi->dparms.props.max_fmr = rdi->lkey_table.max;
return 0;
}
@@ -325,8 +324,6 @@
* @acc: access flags
*
* Return: the memory region on success, otherwise returns an errno.
- * Note that all DMA addresses should be created via the functions in
- * struct dma_virt_ops.
*/
struct ib_mr *rvt_get_dma_mr(struct ib_pd *pd, int acc)
{
@@ -390,7 +387,7 @@
if (length == 0)
return ERR_PTR(-EINVAL);
- umem = ib_umem_get(udata, start, length, mr_access_flags, 0);
+ umem = ib_umem_get(pd->device, start, length, mr_access_flags);
if (IS_ERR(umem))
return (void *)umem;
@@ -500,7 +497,7 @@
rvt_pr_err(rdi,
"%s timeout mr %p pd %p lkey %x refcount %ld\n",
t, mr, mr->pd, mr->lkey,
- atomic_long_read(&mr->refcount.count));
+ atomic_long_read(&mr->refcount.data->count));
rvt_get_mr(mr);
return -EBUSY;
}
@@ -577,7 +574,7 @@
* Return: the memory region on success, otherwise return an errno.
*/
struct ib_mr *rvt_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
- u32 max_num_sg, struct ib_udata *udata)
+ u32 max_num_sg)
{
struct rvt_mr *mr;
@@ -714,160 +711,6 @@
EXPORT_SYMBOL(rvt_invalidate_rkey);
/**
- * rvt_alloc_fmr - allocate a fast memory region
- * @pd: the protection domain for this memory region
- * @mr_access_flags: access flags for this memory region
- * @fmr_attr: fast memory region attributes
- *
- * Return: the memory region on success, otherwise returns an errno.
- */
-struct ib_fmr *rvt_alloc_fmr(struct ib_pd *pd, int mr_access_flags,
- struct ib_fmr_attr *fmr_attr)
-{
- struct rvt_fmr *fmr;
- int m;
- struct ib_fmr *ret;
- int rval = -ENOMEM;
-
- /* Allocate struct plus pointers to first level page tables. */
- m = (fmr_attr->max_pages + RVT_SEGSZ - 1) / RVT_SEGSZ;
- fmr = kzalloc(struct_size(fmr, mr.map, m), GFP_KERNEL);
- if (!fmr)
- goto bail;
-
- rval = rvt_init_mregion(&fmr->mr, pd, fmr_attr->max_pages,
- PERCPU_REF_INIT_ATOMIC);
- if (rval)
- goto bail;
-
- /*
- * ib_alloc_fmr() will initialize fmr->ibfmr except for lkey &
- * rkey.
- */
- rval = rvt_alloc_lkey(&fmr->mr, 0);
- if (rval)
- goto bail_mregion;
- fmr->ibfmr.rkey = fmr->mr.lkey;
- fmr->ibfmr.lkey = fmr->mr.lkey;
- /*
- * Resources are allocated but no valid mapping (RKEY can't be
- * used).
- */
- fmr->mr.access_flags = mr_access_flags;
- fmr->mr.max_segs = fmr_attr->max_pages;
- fmr->mr.page_shift = fmr_attr->page_shift;
-
- ret = &fmr->ibfmr;
-done:
- return ret;
-
-bail_mregion:
- rvt_deinit_mregion(&fmr->mr);
-bail:
- kfree(fmr);
- ret = ERR_PTR(rval);
- goto done;
-}
-
-/**
- * rvt_map_phys_fmr - set up a fast memory region
- * @ibfmr: the fast memory region to set up
- * @page_list: the list of pages to associate with the fast memory region
- * @list_len: the number of pages to associate with the fast memory region
- * @iova: the virtual address of the start of the fast memory region
- *
- * This may be called from interrupt context.
- *
- * Return: 0 on success
- */
-
-int rvt_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
- int list_len, u64 iova)
-{
- struct rvt_fmr *fmr = to_ifmr(ibfmr);
- struct rvt_lkey_table *rkt;
- unsigned long flags;
- int m, n;
- unsigned long i;
- u32 ps;
- struct rvt_dev_info *rdi = ib_to_rvt(ibfmr->device);
-
- i = atomic_long_read(&fmr->mr.refcount.count);
- if (i > 2)
- return -EBUSY;
-
- if (list_len > fmr->mr.max_segs)
- return -EINVAL;
-
- rkt = &rdi->lkey_table;
- spin_lock_irqsave(&rkt->lock, flags);
- fmr->mr.user_base = iova;
- fmr->mr.iova = iova;
- ps = 1 << fmr->mr.page_shift;
- fmr->mr.length = list_len * ps;
- m = 0;
- n = 0;
- for (i = 0; i < list_len; i++) {
- fmr->mr.map[m]->segs[n].vaddr = (void *)page_list[i];
- fmr->mr.map[m]->segs[n].length = ps;
- trace_rvt_mr_fmr_seg(&fmr->mr, m, n, (void *)page_list[i], ps);
- if (++n == RVT_SEGSZ) {
- m++;
- n = 0;
- }
- }
- spin_unlock_irqrestore(&rkt->lock, flags);
- return 0;
-}
-
-/**
- * rvt_unmap_fmr - unmap fast memory regions
- * @fmr_list: the list of fast memory regions to unmap
- *
- * Return: 0 on success.
- */
-int rvt_unmap_fmr(struct list_head *fmr_list)
-{
- struct rvt_fmr *fmr;
- struct rvt_lkey_table *rkt;
- unsigned long flags;
- struct rvt_dev_info *rdi;
-
- list_for_each_entry(fmr, fmr_list, ibfmr.list) {
- rdi = ib_to_rvt(fmr->ibfmr.device);
- rkt = &rdi->lkey_table;
- spin_lock_irqsave(&rkt->lock, flags);
- fmr->mr.user_base = 0;
- fmr->mr.iova = 0;
- fmr->mr.length = 0;
- spin_unlock_irqrestore(&rkt->lock, flags);
- }
- return 0;
-}
-
-/**
- * rvt_dealloc_fmr - deallocate a fast memory region
- * @ibfmr: the fast memory region to deallocate
- *
- * Return: 0 on success.
- */
-int rvt_dealloc_fmr(struct ib_fmr *ibfmr)
-{
- struct rvt_fmr *fmr = to_ifmr(ibfmr);
- int ret = 0;
-
- rvt_free_lkey(&fmr->mr);
- rvt_put_mr(&fmr->mr); /* will set completion if last */
- ret = rvt_check_refs(&fmr->mr, __func__);
- if (ret)
- goto out;
- rvt_deinit_mregion(&fmr->mr);
- kfree(fmr);
-out:
- return ret;
-}
-
-/**
* rvt_sge_adjacent - is isge compressible
* @last_sge: last outgoing SGE written
* @sge: SGE to check
@@ -921,7 +764,7 @@
/*
* We use LKEY == zero for kernel virtual addresses
- * (see rvt_get_dma_mr() and dma_virt_ops).
+ * (see rvt_get_dma_mr()).
*/
if (sge->lkey == 0) {
struct rvt_dev_info *dev = ib_to_rvt(pd->ibpd.device);
@@ -1032,7 +875,7 @@
/*
* We use RKEY == zero for kernel virtual addresses
- * (see rvt_get_dma_mr() and dma_virt_ops).
+ * (see rvt_get_dma_mr()).
*/
rcu_read_lock();
if (rkey == 0) {