diff options
| -rw-r--r-- | drivers/infiniband/Kconfig | 11 | ||||
| -rw-r--r-- | drivers/infiniband/core/uverbs.h | 2 | ||||
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/core/uverbs_main.c | 6 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx4/main.c | 2 | ||||
| -rw-r--r-- | include/uapi/rdma/ib_user_verbs.h | 6 |
6 files changed, 31 insertions, 0 deletions
diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig index 5ceda710f516..b84791f03a27 100644 --- a/drivers/infiniband/Kconfig +++ b/drivers/infiniband/Kconfig @@ -31,6 +31,17 @@ config INFINIBAND_USER_ACCESS libibverbs, libibcm and a hardware driver library from <http://www.openfabrics.org/git/>. +config INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING + bool "Experimental and unstable ABI for userspace access to flow steering verbs" + depends on INFINIBAND_USER_ACCESS + depends on STAGING + ---help--- + The final ABI for userspace access to flow steering verbs + has not been defined. To use the current ABI, *WHICH WILL + CHANGE IN THE FUTURE*, say Y here. + + If unsure, say N. + config INFINIBAND_USER_MEM bool depends on INFINIBAND_USER_ACCESS != n diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index d040b877475f..d8f9c6c272d7 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -217,7 +217,9 @@ IB_UVERBS_DECLARE_CMD(destroy_srq); IB_UVERBS_DECLARE_CMD(create_xsrq); IB_UVERBS_DECLARE_CMD(open_xrcd); IB_UVERBS_DECLARE_CMD(close_xrcd); +#ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING IB_UVERBS_DECLARE_CMD(create_flow); IB_UVERBS_DECLARE_CMD(destroy_flow); +#endif /* CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING */ #endif /* UVERBS_H */ diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index f2b81b9ee0d6..2f0f01b70e3b 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -54,7 +54,9 @@ static struct uverbs_lock_class qp_lock_class = { .name = "QP-uobj" }; static struct uverbs_lock_class ah_lock_class = { .name = "AH-uobj" }; static struct uverbs_lock_class srq_lock_class = { .name = "SRQ-uobj" }; static struct uverbs_lock_class xrcd_lock_class = { .name = "XRCD-uobj" }; +#ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING static struct uverbs_lock_class rule_lock_class = { .name = "RULE-uobj" }; +#endif /* CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING */ #define INIT_UDATA(udata, ibuf, obuf, ilen, olen) \ do { \ @@ -2599,6 +2601,7 @@ out_put: return ret ? ret : in_len; } +#ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING static int kern_spec_to_ib_spec(struct ib_kern_spec *kern_spec, union ib_flow_spec *ib_spec) { @@ -2824,6 +2827,7 @@ ssize_t ib_uverbs_destroy_flow(struct ib_uverbs_file *file, return ret ? ret : in_len; } +#endif /* CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING */ static int __uverbs_create_xsrq(struct ib_uverbs_file *file, struct ib_uverbs_create_xsrq *cmd, diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 75ad86c4abf8..2df31f68ea09 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -115,8 +115,10 @@ static ssize_t (*uverbs_cmd_table[])(struct ib_uverbs_file *file, [IB_USER_VERBS_CMD_CLOSE_XRCD] = ib_uverbs_close_xrcd, [IB_USER_VERBS_CMD_CREATE_XSRQ] = ib_uverbs_create_xsrq, [IB_USER_VERBS_CMD_OPEN_QP] = ib_uverbs_open_qp, +#ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING [IB_USER_VERBS_CMD_CREATE_FLOW] = ib_uverbs_create_flow, [IB_USER_VERBS_CMD_DESTROY_FLOW] = ib_uverbs_destroy_flow +#endif /* CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING */ }; static void ib_uverbs_add_one(struct ib_device *device); @@ -605,6 +607,7 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, if (!(file->device->ib_dev->uverbs_cmd_mask & (1ull << hdr.command))) return -ENOSYS; +#ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING if (hdr.command >= IB_USER_VERBS_CMD_THRESHOLD) { struct ib_uverbs_cmd_hdr_ex hdr_ex; @@ -621,6 +624,7 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, (hdr_ex.out_words + hdr_ex.provider_out_words) * 4); } else { +#endif /* CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING */ if (hdr.in_words * 4 != count) return -EINVAL; @@ -628,7 +632,9 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf, buf + sizeof(hdr), hdr.in_words * 4, hdr.out_words * 4); +#ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING } +#endif /* CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING */ } static int ib_uverbs_mmap(struct file *filp, struct vm_area_struct *vma) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index d6c5a73becf4..f0612645de99 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -1691,9 +1691,11 @@ static void *mlx4_ib_add(struct mlx4_dev *dev) ibdev->ib_dev.create_flow = mlx4_ib_create_flow; ibdev->ib_dev.destroy_flow = mlx4_ib_destroy_flow; +#ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING ibdev->ib_dev.uverbs_cmd_mask |= (1ull << IB_USER_VERBS_CMD_CREATE_FLOW) | (1ull << IB_USER_VERBS_CMD_DESTROY_FLOW); +#endif /* CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING */ } mlx4_ib_alloc_eqs(dev, ibdev); diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h index 0b233c56b0e4..e3ddd86c90a6 100644 --- a/include/uapi/rdma/ib_user_verbs.h +++ b/include/uapi/rdma/ib_user_verbs.h @@ -87,8 +87,10 @@ enum { IB_USER_VERBS_CMD_CLOSE_XRCD, IB_USER_VERBS_CMD_CREATE_XSRQ, IB_USER_VERBS_CMD_OPEN_QP, +#ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING IB_USER_VERBS_CMD_CREATE_FLOW = IB_USER_VERBS_CMD_THRESHOLD, IB_USER_VERBS_CMD_DESTROY_FLOW +#endif /* CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING */ }; /* @@ -126,6 +128,7 @@ struct ib_uverbs_cmd_hdr { __u16 out_words; }; +#ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING struct ib_uverbs_cmd_hdr_ex { __u32 command; __u16 in_words; @@ -134,6 +137,7 @@ struct ib_uverbs_cmd_hdr_ex { __u16 provider_out_words; __u32 cmd_hdr_reserved; }; +#endif /* CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING */ struct ib_uverbs_get_context { __u64 response; @@ -696,6 +700,7 @@ struct ib_uverbs_detach_mcast { __u64 driver_data[0]; }; +#ifdef CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING struct ib_kern_eth_filter { __u8 dst_mac[6]; __u8 src_mac[6]; @@ -780,6 +785,7 @@ struct ib_uverbs_destroy_flow { __u32 comp_mask; __u32 flow_handle; }; +#endif /* CONFIG_INFINIBAND_EXPERIMENTAL_UVERBS_FLOW_STEERING */ struct ib_uverbs_create_srq { __u64 response; |