dev->ib_dev.get_dma_mr = mlx5_ib_get_dma_mr;
dev->ib_dev.reg_user_mr = mlx5_ib_reg_user_mr;
dev->ib_dev.dereg_mr = mlx5_ib_dereg_mr;
+ dev->ib_dev.destroy_mr = mlx5_ib_destroy_mr;
dev->ib_dev.attach_mcast = mlx5_ib_mcg_attach;
dev->ib_dev.detach_mcast = mlx5_ib_mcg_detach;
dev->ib_dev.process_mad = mlx5_ib_process_mad;
+ dev->ib_dev.create_mr = mlx5_ib_create_mr;
dev->ib_dev.alloc_fast_reg_mr = mlx5_ib_alloc_fast_reg_mr;
dev->ib_dev.alloc_fast_reg_page_list = mlx5_ib_alloc_fast_reg_page_list;
dev->ib_dev.free_fast_reg_page_list = mlx5_ib_free_fast_reg_page_list;
enum ib_wc_status status;
struct mlx5_ib_dev *dev;
struct mlx5_create_mkey_mbox_out out;
+ struct mlx5_core_sig_ctx *sig;
};
struct mlx5_ib_fast_reg_page_list {
u64 virt_addr, int access_flags,
struct ib_udata *udata);
int mlx5_ib_dereg_mr(struct ib_mr *ibmr);
+int mlx5_ib_destroy_mr(struct ib_mr *ibmr);
+struct ib_mr *mlx5_ib_create_mr(struct ib_pd *pd,
+ struct ib_mr_init_attr *mr_init_attr);
struct ib_mr *mlx5_ib_alloc_fast_reg_mr(struct ib_pd *pd,
int max_page_list_len);
struct ib_fast_reg_page_list *mlx5_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
return 0;
}
+struct ib_mr *mlx5_ib_create_mr(struct ib_pd *pd,
+ struct ib_mr_init_attr *mr_init_attr)
+{
+ struct mlx5_ib_dev *dev = to_mdev(pd->device);
+ struct mlx5_create_mkey_mbox_in *in;
+ struct mlx5_ib_mr *mr;
+ int access_mode, err;
+ int ndescs = roundup(mr_init_attr->max_reg_descriptors, 4);
+
+ mr = kzalloc(sizeof(*mr), GFP_KERNEL);
+ if (!mr)
+ return ERR_PTR(-ENOMEM);
+
+ in = kzalloc(sizeof(*in), GFP_KERNEL);
+ if (!in) {
+ err = -ENOMEM;
+ goto err_free;
+ }
+
+ in->seg.status = 1 << 6; /* free */
+ in->seg.xlt_oct_size = cpu_to_be32(ndescs);
+ in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8);
+ in->seg.flags_pd = cpu_to_be32(to_mpd(pd)->pdn);
+ access_mode = MLX5_ACCESS_MODE_MTT;
+
+ if (mr_init_attr->flags & IB_MR_SIGNATURE_EN) {
+ u32 psv_index[2];
+
+ in->seg.flags_pd = cpu_to_be32(be32_to_cpu(in->seg.flags_pd) |
+ MLX5_MKEY_BSF_EN);
+ in->seg.bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE);
+ mr->sig = kzalloc(sizeof(*mr->sig), GFP_KERNEL);
+ if (!mr->sig) {
+ err = -ENOMEM;
+ goto err_free_in;
+ }
+
+ /* create mem & wire PSVs */
+ err = mlx5_core_create_psv(&dev->mdev, to_mpd(pd)->pdn,
+ 2, psv_index);
+ if (err)
+ goto err_free_sig;
+
+ access_mode = MLX5_ACCESS_MODE_KLM;
+ mr->sig->psv_memory.psv_idx = psv_index[0];
+ mr->sig->psv_wire.psv_idx = psv_index[1];
+ }
+
+ in->seg.flags = MLX5_PERM_UMR_EN | access_mode;
+ err = mlx5_core_create_mkey(&dev->mdev, &mr->mmr, in, sizeof(*in),
+ NULL, NULL, NULL);
+ if (err)
+ goto err_destroy_psv;
+
+ mr->ibmr.lkey = mr->mmr.key;
+ mr->ibmr.rkey = mr->mmr.key;
+ mr->umem = NULL;
+ kfree(in);
+
+ return &mr->ibmr;
+
+err_destroy_psv:
+ if (mr->sig) {
+ if (mlx5_core_destroy_psv(&dev->mdev,
+ mr->sig->psv_memory.psv_idx))
+ mlx5_ib_warn(dev, "failed to destroy mem psv %d\n",
+ mr->sig->psv_memory.psv_idx);
+ if (mlx5_core_destroy_psv(&dev->mdev,
+ mr->sig->psv_wire.psv_idx))
+ mlx5_ib_warn(dev, "failed to destroy wire psv %d\n",
+ mr->sig->psv_wire.psv_idx);
+ }
+err_free_sig:
+ kfree(mr->sig);
+err_free_in:
+ kfree(in);
+err_free:
+ kfree(mr);
+ return ERR_PTR(err);
+}
+
+int mlx5_ib_destroy_mr(struct ib_mr *ibmr)
+{
+ struct mlx5_ib_dev *dev = to_mdev(ibmr->device);
+ struct mlx5_ib_mr *mr = to_mmr(ibmr);
+ int err;
+
+ if (mr->sig) {
+ if (mlx5_core_destroy_psv(&dev->mdev,
+ mr->sig->psv_memory.psv_idx))
+ mlx5_ib_warn(dev, "failed to destroy mem psv %d\n",
+ mr->sig->psv_memory.psv_idx);
+ if (mlx5_core_destroy_psv(&dev->mdev,
+ mr->sig->psv_wire.psv_idx))
+ mlx5_ib_warn(dev, "failed to destroy wire psv %d\n",
+ mr->sig->psv_wire.psv_idx);
+ kfree(mr->sig);
+ }
+
+ err = mlx5_core_destroy_mkey(&dev->mdev, &mr->mmr);
+ if (err) {
+ mlx5_ib_warn(dev, "failed to destroy mkey 0x%x (%d)\n",
+ mr->mmr.key, err);
+ return err;
+ }
+
+ kfree(mr);
+
+ return err;
+}
+
struct ib_mr *mlx5_ib_alloc_fast_reg_mr(struct ib_pd *pd,
int max_page_list_len)
{
return err;
}
EXPORT_SYMBOL(mlx5_core_dump_fill_mkey);
+
+int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
+ int npsvs, u32 *sig_index)
+{
+ struct mlx5_allocate_psv_in in;
+ struct mlx5_allocate_psv_out out;
+ int i, err;
+
+ if (npsvs > MLX5_MAX_PSVS)
+ return -EINVAL;
+
+ memset(&in, 0, sizeof(in));
+ memset(&out, 0, sizeof(out));
+
+ in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_CREATE_PSV);
+ in.npsv_pd = cpu_to_be32((npsvs << 28) | pdn);
+ err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
+ if (err) {
+ mlx5_core_err(dev, "cmd exec failed %d\n", err);
+ return err;
+ }
+
+ if (out.hdr.status) {
+ mlx5_core_err(dev, "create_psv bad status %d\n", out.hdr.status);
+ return mlx5_cmd_status_to_err(&out.hdr);
+ }
+
+ for (i = 0; i < npsvs; i++)
+ sig_index[i] = be32_to_cpu(out.psv_idx[i]) & 0xffffff;
+
+ return err;
+}
+EXPORT_SYMBOL(mlx5_core_create_psv);
+
+int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num)
+{
+ struct mlx5_destroy_psv_in in;
+ struct mlx5_destroy_psv_out out;
+ int err;
+
+ memset(&in, 0, sizeof(in));
+ memset(&out, 0, sizeof(out));
+
+ in.psv_number = cpu_to_be32(psv_num);
+ in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_DESTROY_PSV);
+ err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
+ if (err) {
+ mlx5_core_err(dev, "destroy_psv cmd exec failed %d\n", err);
+ goto out;
+ }
+
+ if (out.hdr.status) {
+ mlx5_core_err(dev, "destroy_psv bad status %d\n", out.hdr.status);
+ err = mlx5_cmd_status_to_err(&out.hdr);
+ goto out;
+ }
+
+out:
+ return err;
+}
+EXPORT_SYMBOL(mlx5_core_destroy_psv);
MLX5_MAX_COMMANDS = 32,
MLX5_CMD_DATA_BLOCK_SIZE = 512,
MLX5_PCI_CMD_XPORT = 7,
+ MLX5_MKEY_BSF_OCTO_SIZE = 4,
+ MLX5_MAX_PSVS = 4,
};
enum {
MLX_EXT_PORT_CAP_FLAG_EXTENDED_PORT_INFO = 1 << 0
};
+struct mlx5_allocate_psv_in {
+ struct mlx5_inbox_hdr hdr;
+ __be32 npsv_pd;
+ __be32 rsvd_psv0;
+};
+
+struct mlx5_allocate_psv_out {
+ struct mlx5_outbox_hdr hdr;
+ u8 rsvd[8];
+ __be32 psv_idx[4];
+};
+
+struct mlx5_destroy_psv_in {
+ struct mlx5_inbox_hdr hdr;
+ __be32 psv_number;
+ u8 rsvd[4];
+};
+
+struct mlx5_destroy_psv_out {
+ struct mlx5_outbox_hdr hdr;
+ u8 rsvd[8];
+};
+
#endif /* MLX5_DEVICE_H */
struct mlx5_rsc_debug *dbg;
};
+struct mlx5_core_psv {
+ u32 psv_idx;
+ struct psv_layout {
+ u32 pd;
+ u16 syndrome;
+ u16 reserved;
+ u16 bg;
+ u16 app_tag;
+ u32 ref_tag;
+ } psv;
+};
+
+struct mlx5_core_sig_ctx {
+ struct mlx5_core_psv psv_memory;
+ struct mlx5_core_psv psv_wire;
+};
struct mlx5_core_mr {
u64 iova;
const char *mlx5_command_str(int command);
int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
+int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
+ int npsvs, u32 *sig_index);
+int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num);
static inline u32 mlx5_mkey_to_idx(u32 mkey)
{
projects / firefly-linux-kernel-4.4.55.git / commitdiff