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path: root/drivers/infiniband/hw/mana/main.c
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Diffstat (limited to 'drivers/infiniband/hw/mana/main.c')
-rw-r--r--drivers/infiniband/hw/mana/main.c82
1 files changed, 46 insertions, 36 deletions
diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c
index faca092456fa..71e33feee61b 100644
--- a/drivers/infiniband/hw/mana/main.c
+++ b/drivers/infiniband/hw/mana/main.c
@@ -8,13 +8,10 @@
void mana_ib_uncfg_vport(struct mana_ib_dev *dev, struct mana_ib_pd *pd,
u32 port)
{
- struct gdma_dev *gd = &dev->gdma_dev->gdma_context->mana;
struct mana_port_context *mpc;
struct net_device *ndev;
- struct mana_context *mc;
- mc = gd->driver_data;
- ndev = mc->ports[port];
+ ndev = mana_ib_get_netdev(&dev->ib_dev, port);
mpc = netdev_priv(ndev);
mutex_lock(&pd->vport_mutex);
@@ -31,14 +28,11 @@ void mana_ib_uncfg_vport(struct mana_ib_dev *dev, struct mana_ib_pd *pd,
int mana_ib_cfg_vport(struct mana_ib_dev *dev, u32 port, struct mana_ib_pd *pd,
u32 doorbell_id)
{
- struct gdma_dev *mdev = &dev->gdma_dev->gdma_context->mana;
struct mana_port_context *mpc;
- struct mana_context *mc;
struct net_device *ndev;
int err;
- mc = mdev->driver_data;
- ndev = mc->ports[port];
+ ndev = mana_ib_get_netdev(&dev->ib_dev, port);
mpc = netdev_priv(ndev);
mutex_lock(&pd->vport_mutex);
@@ -79,17 +73,17 @@ int mana_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
struct gdma_create_pd_req req = {};
enum gdma_pd_flags flags = 0;
struct mana_ib_dev *dev;
- struct gdma_dev *mdev;
+ struct gdma_context *gc;
int err;
dev = container_of(ibdev, struct mana_ib_dev, ib_dev);
- mdev = dev->gdma_dev;
+ gc = mdev_to_gc(dev);
mana_gd_init_req_hdr(&req.hdr, GDMA_CREATE_PD, sizeof(req),
sizeof(resp));
req.flags = flags;
- err = mana_gd_send_request(mdev->gdma_context, sizeof(req), &req,
+ err = mana_gd_send_request(gc, sizeof(req), &req,
sizeof(resp), &resp);
if (err || resp.hdr.status) {
@@ -119,17 +113,17 @@ int mana_ib_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
struct gdma_destory_pd_resp resp = {};
struct gdma_destroy_pd_req req = {};
struct mana_ib_dev *dev;
- struct gdma_dev *mdev;
+ struct gdma_context *gc;
int err;
dev = container_of(ibdev, struct mana_ib_dev, ib_dev);
- mdev = dev->gdma_dev;
+ gc = mdev_to_gc(dev);
mana_gd_init_req_hdr(&req.hdr, GDMA_DESTROY_PD, sizeof(req),
sizeof(resp));
req.pd_handle = pd->pd_handle;
- err = mana_gd_send_request(mdev->gdma_context, sizeof(req), &req,
+ err = mana_gd_send_request(gc, sizeof(req), &req,
sizeof(resp), &resp);
if (err || resp.hdr.status) {
@@ -206,13 +200,11 @@ int mana_ib_alloc_ucontext(struct ib_ucontext *ibcontext,
struct ib_device *ibdev = ibcontext->device;
struct mana_ib_dev *mdev;
struct gdma_context *gc;
- struct gdma_dev *dev;
int doorbell_page;
int ret;
mdev = container_of(ibdev, struct mana_ib_dev, ib_dev);
- dev = mdev->gdma_dev;
- gc = dev->gdma_context;
+ gc = mdev_to_gc(mdev);
/* Allocate a doorbell page index */
ret = mana_gd_allocate_doorbell_page(gc, &doorbell_page);
@@ -238,7 +230,7 @@ void mana_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
int ret;
mdev = container_of(ibdev, struct mana_ib_dev, ib_dev);
- gc = mdev->gdma_dev->gdma_context;
+ gc = mdev_to_gc(mdev);
ret = mana_gd_destroy_doorbell_page(gc, mana_ucontext->doorbell);
if (ret)
@@ -309,8 +301,8 @@ mana_ib_gd_add_dma_region(struct mana_ib_dev *dev, struct gdma_context *gc,
return 0;
}
-int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
- mana_handle_t *gdma_region)
+static int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
+ mana_handle_t *gdma_region, unsigned long page_sz)
{
struct gdma_dma_region_add_pages_req *add_req = NULL;
size_t num_pages_processed = 0, num_pages_to_handle;
@@ -322,23 +314,14 @@ int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
size_t max_pgs_create_cmd;
struct gdma_context *gc;
size_t num_pages_total;
- struct gdma_dev *mdev;
- unsigned long page_sz;
unsigned int tail = 0;
u64 *page_addr_list;
void *request_buf;
int err;
- mdev = dev->gdma_dev;
- gc = mdev->gdma_context;
+ gc = mdev_to_gc(dev);
hwc = gc->hwc.driver_data;
- /* Hardware requires dma region to align to chosen page size */
- page_sz = ib_umem_find_best_pgsz(umem, PAGE_SZ_BM, 0);
- if (!page_sz) {
- ibdev_dbg(&dev->ib_dev, "failed to find page size.\n");
- return -ENOMEM;
- }
num_pages_total = ib_umem_num_dma_blocks(umem, page_sz);
max_pgs_create_cmd =
@@ -358,7 +341,7 @@ int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
sizeof(struct gdma_create_dma_region_resp));
create_req->length = umem->length;
- create_req->offset_in_page = umem->address & (page_sz - 1);
+ create_req->offset_in_page = ib_umem_dma_offset(umem, page_sz);
create_req->gdma_page_type = order_base_2(page_sz) - PAGE_SHIFT;
create_req->page_count = num_pages_total;
@@ -424,12 +407,39 @@ out:
return err;
}
+int mana_ib_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
+ mana_handle_t *gdma_region, u64 virt)
+{
+ unsigned long page_sz;
+
+ page_sz = ib_umem_find_best_pgsz(umem, PAGE_SZ_BM, virt);
+ if (!page_sz) {
+ ibdev_dbg(&dev->ib_dev, "Failed to find page size.\n");
+ return -EINVAL;
+ }
+
+ return mana_ib_gd_create_dma_region(dev, umem, gdma_region, page_sz);
+}
+
+int mana_ib_create_zero_offset_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
+ mana_handle_t *gdma_region)
+{
+ unsigned long page_sz;
+
+ /* Hardware requires dma region to align to chosen page size */
+ page_sz = ib_umem_find_best_pgoff(umem, PAGE_SZ_BM, 0);
+ if (!page_sz) {
+ ibdev_dbg(&dev->ib_dev, "Failed to find page size.\n");
+ return -EINVAL;
+ }
+
+ return mana_ib_gd_create_dma_region(dev, umem, gdma_region, page_sz);
+}
+
int mana_ib_gd_destroy_dma_region(struct mana_ib_dev *dev, u64 gdma_region)
{
- struct gdma_dev *mdev = dev->gdma_dev;
- struct gdma_context *gc;
+ struct gdma_context *gc = mdev_to_gc(dev);
- gc = mdev->gdma_context;
ibdev_dbg(&dev->ib_dev, "destroy dma region 0x%llx\n", gdma_region);
return mana_gd_destroy_dma_region(gc, gdma_region);
@@ -447,7 +457,7 @@ int mana_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma)
int ret;
mdev = container_of(ibdev, struct mana_ib_dev, ib_dev);
- gc = mdev->gdma_dev->gdma_context;
+ gc = mdev_to_gc(mdev);
if (vma->vm_pgoff != 0) {
ibdev_dbg(ibdev, "Unexpected vm_pgoff %lu\n", vma->vm_pgoff);
@@ -531,7 +541,7 @@ int mana_ib_gd_query_adapter_caps(struct mana_ib_dev *dev)
req.hdr.resp.msg_version = GDMA_MESSAGE_V3;
req.hdr.dev_id = dev->gdma_dev->dev_id;
- err = mana_gd_send_request(dev->gdma_dev->gdma_context, sizeof(req),
+ err = mana_gd_send_request(mdev_to_gc(dev), sizeof(req),
&req, sizeof(resp), &resp);
if (err) {
generated by cgit (git 2.34.1) at 2025-11-04 00:57:45 +0000