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-rw-r--r--include/linux/blk-iopoll.h46
-rw-r--r--include/linux/interrupt.h2
-rw-r--r--include/linux/irq_poll.h25
-rw-r--r--include/linux/mlx4/cmd.h3
-rw-r--r--include/linux/mlx4/device.h15
-rw-r--r--include/linux/mlx4/qp.h15
-rw-r--r--include/linux/mlx5/device.h40
-rw-r--r--include/linux/mlx5/driver.h20
-rw-r--r--include/linux/mlx5/mlx5_ifc.h48
-rw-r--r--include/linux/mlx5/qp.h46
-rw-r--r--include/linux/mlx5/transobj.h78
-rw-r--r--include/linux/mlx5/vport.h8
-rw-r--r--include/linux/sunrpc/svc_rdma.h39
-rw-r--r--include/rdma/ib_addr.h16
-rw-r--r--include/rdma/ib_cache.h4
-rw-r--r--include/rdma/ib_mad.h2
-rw-r--r--include/rdma/ib_pack.h45
-rw-r--r--include/rdma/ib_pma.h1
-rw-r--r--include/rdma/ib_sa.h3
-rw-r--r--include/rdma/ib_verbs.h356
-rw-r--r--include/scsi/iser.h78
-rw-r--r--include/trace/events/irq.h2
22 files changed, 624 insertions, 268 deletions
diff --git a/include/linux/blk-iopoll.h b/include/linux/blk-iopoll.h
deleted file mode 100644
index 77ae77c0b704..000000000000
--- a/include/linux/blk-iopoll.h
+++ /dev/null
@@ -1,46 +0,0 @@
-#ifndef BLK_IOPOLL_H
-#define BLK_IOPOLL_H
-
-struct blk_iopoll;
-typedef int (blk_iopoll_fn)(struct blk_iopoll *, int);
-
-struct blk_iopoll {
- struct list_head list;
- unsigned long state;
- unsigned long data;
- int weight;
- int max;
- blk_iopoll_fn *poll;
-};
-
-enum {
- IOPOLL_F_SCHED = 0,
- IOPOLL_F_DISABLE = 1,
-};
-
-/*
- * Returns 0 if we successfully set the IOPOLL_F_SCHED bit, indicating
- * that we were the first to acquire this iop for scheduling. If this iop
- * is currently disabled, return "failure".
- */
-static inline int blk_iopoll_sched_prep(struct blk_iopoll *iop)
-{
- if (!test_bit(IOPOLL_F_DISABLE, &iop->state))
- return test_and_set_bit(IOPOLL_F_SCHED, &iop->state);
-
- return 1;
-}
-
-static inline int blk_iopoll_disable_pending(struct blk_iopoll *iop)
-{
- return test_bit(IOPOLL_F_DISABLE, &iop->state);
-}
-
-extern void blk_iopoll_sched(struct blk_iopoll *);
-extern void blk_iopoll_init(struct blk_iopoll *, int, blk_iopoll_fn *);
-extern void blk_iopoll_complete(struct blk_iopoll *);
-extern void __blk_iopoll_complete(struct blk_iopoll *);
-extern void blk_iopoll_enable(struct blk_iopoll *);
-extern void blk_iopoll_disable(struct blk_iopoll *);
-
-#endif
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index cb30edbfe9fc..0e95fcc75b2a 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -413,7 +413,7 @@ enum
NET_TX_SOFTIRQ,
NET_RX_SOFTIRQ,
BLOCK_SOFTIRQ,
- BLOCK_IOPOLL_SOFTIRQ,
+ IRQ_POLL_SOFTIRQ,
TASKLET_SOFTIRQ,
SCHED_SOFTIRQ,
HRTIMER_SOFTIRQ, /* Unused, but kept as tools rely on the
diff --git a/include/linux/irq_poll.h b/include/linux/irq_poll.h
new file mode 100644
index 000000000000..3e8c1b8fb9be
--- /dev/null
+++ b/include/linux/irq_poll.h
@@ -0,0 +1,25 @@
+#ifndef IRQ_POLL_H
+#define IRQ_POLL_H
+
+struct irq_poll;
+typedef int (irq_poll_fn)(struct irq_poll *, int);
+
+struct irq_poll {
+ struct list_head list;
+ unsigned long state;
+ int weight;
+ irq_poll_fn *poll;
+};
+
+enum {
+ IRQ_POLL_F_SCHED = 0,
+ IRQ_POLL_F_DISABLE = 1,
+};
+
+extern void irq_poll_sched(struct irq_poll *);
+extern void irq_poll_init(struct irq_poll *, int, irq_poll_fn *);
+extern void irq_poll_complete(struct irq_poll *);
+extern void irq_poll_enable(struct irq_poll *);
+extern void irq_poll_disable(struct irq_poll *);
+
+#endif
diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h
index 58391f2e0414..116b284bc4ce 100644
--- a/include/linux/mlx4/cmd.h
+++ b/include/linux/mlx4/cmd.h
@@ -206,7 +206,8 @@ enum {
MLX4_SET_PORT_GID_TABLE = 0x5,
MLX4_SET_PORT_PRIO2TC = 0x8,
MLX4_SET_PORT_SCHEDULER = 0x9,
- MLX4_SET_PORT_VXLAN = 0xB
+ MLX4_SET_PORT_VXLAN = 0xB,
+ MLX4_SET_PORT_ROCE_ADDR = 0xD
};
enum {
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index d3133be12d92..430a929f048b 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -216,6 +216,7 @@ enum {
MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN = 1LL << 30,
MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB = 1ULL << 31,
MLX4_DEV_CAP_FLAG2_LB_SRC_CHK = 1ULL << 32,
+ MLX4_DEV_CAP_FLAG2_ROCE_V1_V2 = 1ULL << 33,
};
enum {
@@ -267,12 +268,14 @@ enum {
MLX4_BMME_FLAG_TYPE_2_WIN = 1 << 9,
MLX4_BMME_FLAG_RESERVED_LKEY = 1 << 10,
MLX4_BMME_FLAG_FAST_REG_WR = 1 << 11,
+ MLX4_BMME_FLAG_ROCE_V1_V2 = 1 << 19,
MLX4_BMME_FLAG_PORT_REMAP = 1 << 24,
MLX4_BMME_FLAG_VSD_INIT2RTR = 1 << 28,
};
enum {
- MLX4_FLAG_PORT_REMAP = MLX4_BMME_FLAG_PORT_REMAP
+ MLX4_FLAG_PORT_REMAP = MLX4_BMME_FLAG_PORT_REMAP,
+ MLX4_FLAG_ROCE_V1_V2 = MLX4_BMME_FLAG_ROCE_V1_V2
};
enum mlx4_event {
@@ -979,14 +982,11 @@ struct mlx4_mad_ifc {
for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
if ((type) == (dev)->caps.port_mask[(port)])
-#define mlx4_foreach_non_ib_transport_port(port, dev) \
- for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
- if (((dev)->caps.port_mask[port] != MLX4_PORT_TYPE_IB))
-
#define mlx4_foreach_ib_transport_port(port, dev) \
- for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
+ for ((port) = 1; (port) <= (dev)->caps.num_ports; (port)++) \
if (((dev)->caps.port_mask[port] == MLX4_PORT_TYPE_IB) || \
- ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE))
+ ((dev)->caps.flags & MLX4_DEV_CAP_FLAG_IBOE) || \
+ ((dev)->caps.flags2 & MLX4_DEV_CAP_FLAG2_ROCE_V1_V2))
#define MLX4_INVALID_SLAVE_ID 0xFF
#define MLX4_SINK_COUNTER_INDEX(dev) (dev->caps.max_counters - 1)
@@ -1457,6 +1457,7 @@ int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port);
int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port);
int mlx4_disable_rx_port_check(struct mlx4_dev *dev, bool dis);
+int mlx4_config_roce_v2_port(struct mlx4_dev *dev, u16 udp_port);
int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2);
int mlx4_vf_smi_enabled(struct mlx4_dev *dev, int slave, int port);
int mlx4_vf_get_enable_smi_admin(struct mlx4_dev *dev, int slave, int port);
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index fe052e234906..587cdf943b52 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -194,7 +194,7 @@ struct mlx4_qp_context {
u8 mtu_msgmax;
u8 rq_size_stride;
u8 sq_size_stride;
- u8 rlkey;
+ u8 rlkey_roce_mode;
__be32 usr_page;
__be32 local_qpn;
__be32 remote_qpn;
@@ -204,7 +204,8 @@ struct mlx4_qp_context {
u32 reserved1;
__be32 next_send_psn;
__be32 cqn_send;
- u32 reserved2[2];
+ __be16 roce_entropy;
+ __be16 reserved2[3];
__be32 last_acked_psn;
__be32 ssn;
__be32 params2;
@@ -487,4 +488,14 @@ static inline struct mlx4_qp *__mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn)
void mlx4_qp_remove(struct mlx4_dev *dev, struct mlx4_qp *qp);
+static inline u16 folded_qp(u32 q)
+{
+ u16 res;
+
+ res = ((q & 0xff) ^ ((q & 0xff0000) >> 16)) | (q & 0xff00);
+ return res;
+}
+
+u16 mlx4_qp_roce_entropy(struct mlx4_dev *dev, u32 qpn);
+
#endif /* MLX4_QP_H */
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 7be845e30689..987764afa65c 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -223,6 +223,14 @@ enum {
#define MLX5_UMR_MTT_MASK (MLX5_UMR_MTT_ALIGNMENT - 1)
#define MLX5_UMR_MTT_MIN_CHUNK_SIZE MLX5_UMR_MTT_ALIGNMENT
+#define MLX5_USER_INDEX_LEN (MLX5_FLD_SZ_BYTES(qpc, user_index) * 8)
+
+enum {
+ MLX5_EVENT_QUEUE_TYPE_QP = 0,
+ MLX5_EVENT_QUEUE_TYPE_RQ = 1,
+ MLX5_EVENT_QUEUE_TYPE_SQ = 2,
+};
+
enum mlx5_event {
MLX5_EVENT_TYPE_COMP = 0x0,
@@ -280,6 +288,26 @@ enum {
};
enum {
+ MLX5_ROCE_VERSION_1 = 0,
+ MLX5_ROCE_VERSION_2 = 2,
+};
+
+enum {
+ MLX5_ROCE_VERSION_1_CAP = 1 << MLX5_ROCE_VERSION_1,
+ MLX5_ROCE_VERSION_2_CAP = 1 << MLX5_ROCE_VERSION_2,
+};
+
+enum {
+ MLX5_ROCE_L3_TYPE_IPV4 = 0,
+ MLX5_ROCE_L3_TYPE_IPV6 = 1,
+};
+
+enum {
+ MLX5_ROCE_L3_TYPE_IPV4_CAP = 1 << 1,
+ MLX5_ROCE_L3_TYPE_IPV6_CAP = 1 << 2,
+};
+
+enum {
MLX5_OPCODE_NOP = 0x00,
MLX5_OPCODE_SEND_INVAL = 0x01,
MLX5_OPCODE_RDMA_WRITE = 0x08,
@@ -446,7 +474,7 @@ struct mlx5_init_seg {
__be32 rsvd2[880];
__be32 internal_timer_h;
__be32 internal_timer_l;
- __be32 rsrv3[2];
+ __be32 rsvd3[2];
__be32 health_counter;
__be32 rsvd4[1019];
__be64 ieee1588_clk;
@@ -460,7 +488,9 @@ struct mlx5_eqe_comp {
};
struct mlx5_eqe_qp_srq {
- __be32 reserved[6];
+ __be32 reserved1[5];
+ u8 type;
+ u8 reserved2[3];
__be32 qp_srq_n;
};
@@ -651,6 +681,12 @@ enum {
};
enum {
+ MLX5_CQE_ROCE_L3_HEADER_TYPE_GRH = 0x0,
+ MLX5_CQE_ROCE_L3_HEADER_TYPE_IPV6 = 0x1,
+ MLX5_CQE_ROCE_L3_HEADER_TYPE_IPV4 = 0x2,
+};
+
+enum {
CQE_L2_OK = 1 << 0,
CQE_L3_OK = 1 << 1,
CQE_L4_OK = 1 << 2,
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 5162f3533042..1e3006dcf35d 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -115,6 +115,11 @@ enum {
MLX5_REG_HOST_ENDIANNESS = 0x7004,
};
+enum {
+ MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0,
+ MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1,
+};
+
enum mlx5_page_fault_resume_flags {
MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
MLX5_PAGE_FAULT_RESUME_WRITE = 1 << 1,
@@ -341,9 +346,11 @@ struct mlx5_core_mr {
};
enum mlx5_res_type {
- MLX5_RES_QP,
- MLX5_RES_SRQ,
- MLX5_RES_XSRQ,
+ MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP,
+ MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ,
+ MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ,
+ MLX5_RES_SRQ = 3,
+ MLX5_RES_XSRQ = 4,
};
struct mlx5_core_rsc_common {
@@ -651,13 +658,6 @@ extern struct workqueue_struct *mlx5_core_wq;
.struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
.struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field
-struct ib_field {
- size_t struct_offset_bytes;
- size_t struct_size_bytes;
- int offset_bits;
- int size_bits;
-};
-
static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev)
{
return pci_get_drvdata(pdev);
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 68d73f82e009..231ab6bcea76 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -67,6 +67,11 @@ enum {
};
enum {
+ MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE = 0x0,
+ MLX5_SET_HCA_CAP_OP_MOD_ATOMIC = 0x3,
+};
+
+enum {
MLX5_CMD_OP_QUERY_HCA_CAP = 0x100,
MLX5_CMD_OP_QUERY_ADAPTER = 0x101,
MLX5_CMD_OP_INIT_HCA = 0x102,
@@ -573,21 +578,24 @@ enum {
struct mlx5_ifc_atomic_caps_bits {
u8 reserved_0[0x40];
- u8 atomic_req_endianness[0x1];
- u8 reserved_1[0x1f];
+ u8 atomic_req_8B_endianess_mode[0x2];
+ u8 reserved_1[0x4];
+ u8 supported_atomic_req_8B_endianess_mode_1[0x1];
- u8 reserved_2[0x20];
+ u8 reserved_2[0x19];
- u8 reserved_3[0x10];
- u8 atomic_operations[0x10];
+ u8 reserved_3[0x20];
u8 reserved_4[0x10];
- u8 atomic_size_qp[0x10];
+ u8 atomic_operations[0x10];
u8 reserved_5[0x10];
+ u8 atomic_size_qp[0x10];
+
+ u8 reserved_6[0x10];
u8 atomic_size_dc[0x10];
- u8 reserved_6[0x720];
+ u8 reserved_7[0x720];
};
struct mlx5_ifc_odp_cap_bits {
@@ -850,7 +858,8 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_66[0x8];
u8 log_uar_page_sz[0x10];
- u8 reserved_67[0x40];
+ u8 reserved_67[0x20];
+ u8 device_frequency_mhz[0x20];
u8 device_frequency_khz[0x20];
u8 reserved_68[0x5f];
u8 cqe_zip[0x1];
@@ -2215,19 +2224,25 @@ struct mlx5_ifc_nic_vport_context_bits {
u8 mtu[0x10];
- u8 reserved_3[0x640];
+ u8 system_image_guid[0x40];
+ u8 port_guid[0x40];
+ u8 node_guid[0x40];
+
+ u8 reserved_3[0x140];
+ u8 qkey_violation_counter[0x10];
+ u8 reserved_4[0x430];
u8 promisc_uc[0x1];
u8 promisc_mc[0x1];
u8 promisc_all[0x1];
- u8 reserved_4[0x2];
+ u8 reserved_5[0x2];
u8 allowed_list_type[0x3];
- u8 reserved_5[0xc];
+ u8 reserved_6[0xc];
u8 allowed_list_size[0xc];
struct mlx5_ifc_mac_address_layout_bits permanent_address;
- u8 reserved_6[0x20];
+ u8 reserved_7[0x20];
u8 current_uc_mac_address[0][0x40];
};
@@ -4199,6 +4214,13 @@ struct mlx5_ifc_modify_tis_out_bits {
u8 reserved_1[0x40];
};
+struct mlx5_ifc_modify_tis_bitmask_bits {
+ u8 reserved_0[0x20];
+
+ u8 reserved_1[0x1f];
+ u8 prio[0x1];
+};
+
struct mlx5_ifc_modify_tis_in_bits {
u8 opcode[0x10];
u8 reserved_0[0x10];
@@ -4211,7 +4233,7 @@ struct mlx5_ifc_modify_tis_in_bits {
u8 reserved_3[0x20];
- u8 modify_bitmask[0x40];
+ struct mlx5_ifc_modify_tis_bitmask_bits bitmask;
u8 reserved_4[0x40];
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h
index f079fb1a31f7..5b8c89ffaa58 100644
--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -85,7 +85,16 @@ enum mlx5_qp_state {
MLX5_QP_STATE_ERR = 6,
MLX5_QP_STATE_SQ_DRAINING = 7,
MLX5_QP_STATE_SUSPENDED = 9,
- MLX5_QP_NUM_STATE
+ MLX5_QP_NUM_STATE,
+ MLX5_QP_STATE,
+ MLX5_QP_STATE_BAD,
+};
+
+enum {
+ MLX5_SQ_STATE_NA = MLX5_SQC_STATE_ERR + 1,
+ MLX5_SQ_NUM_STATE = MLX5_SQ_STATE_NA + 1,
+ MLX5_RQ_STATE_NA = MLX5_RQC_STATE_ERR + 1,
+ MLX5_RQ_NUM_STATE = MLX5_RQ_STATE_NA + 1,
};
enum {
@@ -130,6 +139,9 @@ enum {
MLX5_QP_BIT_RWE = 1 << 14,
MLX5_QP_BIT_RAE = 1 << 13,
MLX5_QP_BIT_RIC = 1 << 4,
+ MLX5_QP_BIT_CC_SLAVE_RECV = 1 << 2,
+ MLX5_QP_BIT_CC_SLAVE_SEND = 1 << 1,
+ MLX5_QP_BIT_CC_MASTER = 1 << 0
};
enum {
@@ -248,8 +260,12 @@ struct mlx5_av {
__be32 dqp_dct;
u8 stat_rate_sl;
u8 fl_mlid;
- __be16 rlid;
- u8 reserved0[10];
+ union {
+ __be16 rlid;
+ __be16 udp_sport;
+ };
+ u8 reserved0[4];
+ u8 rmac[6];
u8 tclass;
u8 hop_limit;
__be32 grh_gid_fl;
@@ -456,11 +472,16 @@ struct mlx5_qp_path {
u8 static_rate;
u8 hop_limit;
__be32 tclass_flowlabel;
- u8 rgid[16];
- u8 rsvd1[4];
- u8 sl;
+ union {
+ u8 rgid[16];
+ u8 rip[16];
+ };
+ u8 f_dscp_ecn_prio;
+ u8 ecn_dscp;
+ __be16 udp_sport;
+ u8 dci_cfi_prio_sl;
u8 port;
- u8 rsvd2[6];
+ u8 rmac[6];
};
struct mlx5_qp_context {
@@ -620,8 +641,7 @@ int mlx5_core_create_qp(struct mlx5_core_dev *dev,
struct mlx5_core_qp *qp,
struct mlx5_create_qp_mbox_in *in,
int inlen);
-int mlx5_core_qp_modify(struct mlx5_core_dev *dev, enum mlx5_qp_state cur_state,
- enum mlx5_qp_state new_state,
+int mlx5_core_qp_modify(struct mlx5_core_dev *dev, u16 operation,
struct mlx5_modify_qp_mbox_in *in, int sqd_event,
struct mlx5_core_qp *qp);
int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
@@ -639,6 +659,14 @@ void mlx5_debug_qp_remove(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp);
int mlx5_core_page_fault_resume(struct mlx5_core_dev *dev, u32 qpn,
u8 context, int error);
#endif
+int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
+ struct mlx5_core_qp *rq);
+void mlx5_core_destroy_rq_tracked(struct mlx5_core_dev *dev,
+ struct mlx5_core_qp *rq);
+int mlx5_core_create_sq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
+ struct mlx5_core_qp *sq);
+void mlx5_core_destroy_sq_tracked(struct mlx5_core_dev *dev,
+ struct mlx5_core_qp *sq);
static inline const char *mlx5_qp_type_str(int type)
{
diff --git a/include/linux/mlx5/transobj.h b/include/linux/mlx5/transobj.h
new file mode 100644
index 000000000000..88441f5ece25
--- /dev/null
+++ b/include/linux/mlx5/transobj.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef __TRANSOBJ_H__
+#define __TRANSOBJ_H__
+
+#include <linux/mlx5/driver.h>
+
+int mlx5_core_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn);
+void mlx5_core_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn);
+int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen,
+ u32 *rqn);
+int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in, int inlen);
+void mlx5_core_destroy_rq(struct mlx5_core_dev *dev, u32 rqn);
+int mlx5_core_query_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *out);
+int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen,
+ u32 *sqn);
+int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in, int inlen);
+void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn);
+int mlx5_core_query_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *out);
+int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
+ u32 *tirn);
+int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in,
+ int inlen);
+void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn);
+int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
+ u32 *tisn);
+int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in,
+ int inlen);
+void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn);
+int mlx5_core_create_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen,
+ u32 *rmpn);
+int mlx5_core_modify_rmp(struct mlx5_core_dev *dev, u32 *in, int inlen);
+int mlx5_core_destroy_rmp(struct mlx5_core_dev *dev, u32 rmpn);
+int mlx5_core_query_rmp(struct mlx5_core_dev *dev, u32 rmpn, u32 *out);
+int mlx5_core_arm_rmp(struct mlx5_core_dev *dev, u32 rmpn, u16 lwm);
+int mlx5_core_create_xsrq(struct mlx5_core_dev *dev, u32 *in, int inlen,
+ u32 *rmpn);
+int mlx5_core_destroy_xsrq(struct mlx5_core_dev *dev, u32 rmpn);
+int mlx5_core_query_xsrq(struct mlx5_core_dev *dev, u32 rmpn, u32 *out);
+int mlx5_core_arm_xsrq(struct mlx5_core_dev *dev, u32 rmpn, u16 lwm);
+
+int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
+ u32 *rqtn);
+int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,
+ int inlen);
+void mlx5_core_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn);
+
+#endif /* __TRANSOBJ_H__ */
diff --git a/include/linux/mlx5/vport.h b/include/linux/mlx5/vport.h
index 638f2ca7a527..123771003e68 100644
--- a/include/linux/mlx5/vport.h
+++ b/include/linux/mlx5/vport.h
@@ -45,6 +45,11 @@ int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev,
u16 vport, u8 *addr);
int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *dev,
u16 vport, u8 *addr);
+int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev,
+ u64 *system_image_guid);
+int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid);
+int mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev *mdev,
+ u16 *qkey_viol_cntr);
int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 other_vport,
u8 port_num, u16 vf_num, u16 gid_index,
union ib_gid *gid);
@@ -85,4 +90,7 @@ int mlx5_modify_nic_vport_vlans(struct mlx5_core_dev *dev,
u16 vlans[],
int list_size);
+int mlx5_nic_vport_enable_roce(struct mlx5_core_dev *mdev);
+int mlx5_nic_vport_disable_roce(struct mlx5_core_dev *mdev);
+
#endif /* __MLX5_VPORT_H__ */
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index f869807a0d0e..5322fea6fe4c 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -51,6 +51,7 @@
/* RPC/RDMA parameters and stats */
extern unsigned int svcrdma_ord;
extern unsigned int svcrdma_max_requests;
+extern unsigned int svcrdma_max_bc_requests;
extern unsigned int svcrdma_max_req_size;
extern atomic_t rdma_stat_recv;
@@ -69,6 +70,7 @@ extern atomic_t rdma_stat_sq_prod;
* completes.
*/
struct svc_rdma_op_ctxt {
+ struct list_head free;
struct svc_rdma_op_ctxt *read_hdr;
struct svc_rdma_fastreg_mr *frmr;
int hdr_count;
@@ -112,6 +114,7 @@ struct svc_rdma_fastreg_mr {
struct list_head frmr_list;
};
struct svc_rdma_req_map {
+ struct list_head free;
unsigned long count;
union {
struct kvec sge[RPCSVC_MAXPAGES];
@@ -132,28 +135,32 @@ struct svcxprt_rdma {
int sc_max_sge;
int sc_max_sge_rd; /* max sge for read target */
- int sc_sq_depth; /* Depth of SQ */
atomic_t sc_sq_count; /* Number of SQ WR on queue */
-
- int sc_max_requests; /* Depth of RQ */
+ unsigned int sc_sq_depth; /* Depth of SQ */
+ unsigned int sc_rq_depth; /* Depth of RQ */
+ u32 sc_max_requests; /* Forward credits */
+ u32 sc_max_bc_requests;/* Backward credits */
int sc_max_req_size; /* Size of each RQ WR buf */
struct ib_pd *sc_pd;
atomic_t sc_dma_used;
- atomic_t sc_ctxt_used;
+ spinlock_t sc_ctxt_lock;
+ struct list_head sc_ctxts;
+ int sc_ctxt_used;
+ spinlock_t sc_map_lock;
+ struct list_head sc_maps;
+
struct list_head sc_rq_dto_q;
spinlock_t sc_rq_dto_lock;
struct ib_qp *sc_qp;
struct ib_cq *sc_rq_cq;
struct ib_cq *sc_sq_cq;
- struct ib_mr *sc_phys_mr; /* MR for server memory */
int (*sc_reader)(struct svcxprt_rdma *,
struct svc_rqst *,
struct svc_rdma_op_ctxt *,
int *, u32 *, u32, u32, u64, bool);
u32 sc_dev_caps; /* distilled device caps */
- u32 sc_dma_lkey; /* local dma key */
unsigned int sc_frmr_pg_list_len;
struct list_head sc_frmr_q;
spinlock_t sc_frmr_q_lock;
@@ -179,8 +186,18 @@ struct svcxprt_rdma {
#define RPCRDMA_MAX_REQUESTS 32
#define RPCRDMA_MAX_REQ_SIZE 4096
+/* Typical ULP usage of BC requests is NFSv4.1 backchannel. Our
+ * current NFSv4.1 implementation supports one backchannel slot.
+ */
+#define RPCRDMA_MAX_BC_REQUESTS 2
+
#define RPCSVC_MAXPAYLOAD_RDMA RPCSVC_MAXPAYLOAD
+/* svc_rdma_backchannel.c */
+extern int svc_rdma_handle_bc_reply(struct rpc_xprt *xprt,
+ struct rpcrdma_msg *rmsgp,
+ struct xdr_buf *rcvbuf);
+
/* svc_rdma_marshal.c */
extern int svc_rdma_xdr_decode_req(struct rpcrdma_msg **, struct svc_rqst *);
extern int svc_rdma_xdr_encode_error(struct svcxprt_rdma *,
@@ -206,6 +223,8 @@ extern int rdma_read_chunk_frmr(struct svcxprt_rdma *, struct svc_rqst *,
u32, u32, u64, bool);
/* svc_rdma_sendto.c */
+extern int svc_rdma_map_xdr(struct svcxprt_rdma *, struct xdr_buf *,
+ struct svc_rdma_req_map *);
extern int svc_rdma_sendto(struct svc_rqst *);
extern struct rpcrdma_read_chunk *
svc_rdma_get_read_chunk(struct rpcrdma_msg *);
@@ -214,13 +233,14 @@ extern struct rpcrdma_read_chunk *
extern int svc_rdma_send(struct svcxprt_rdma *, struct ib_send_wr *);
extern void svc_rdma_send_error(struct svcxprt_rdma *, struct rpcrdma_msg *,
enum rpcrdma_errcode);
-extern int svc_rdma_post_recv(struct svcxprt_rdma *);
+extern int svc_rdma_post_recv(struct svcxprt_rdma *, gfp_t);
extern int svc_rdma_create_listen(struct svc_serv *, int, struct sockaddr *);
extern struct svc_rdma_op_ctxt *svc_rdma_get_context(struct svcxprt_rdma *);
extern void svc_rdma_put_context(struct svc_rdma_op_ctxt *, int);
extern void svc_rdma_unmap_dma(struct svc_rdma_op_ctxt *ctxt);
-extern struct svc_rdma_req_map *svc_rdma_get_req_map(void);
-extern void svc_rdma_put_req_map(struct svc_rdma_req_map *);
+extern struct svc_rdma_req_map *svc_rdma_get_req_map(struct svcxprt_rdma *);
+extern void svc_rdma_put_req_map(struct svcxprt_rdma *,
+ struct svc_rdma_req_map *);
extern struct svc_rdma_fastreg_mr *svc_rdma_get_frmr(struct svcxprt_rdma *);
extern void svc_rdma_put_frmr(struct svcxprt_rdma *,
struct svc_rdma_fastreg_mr *);
@@ -234,6 +254,7 @@ extern struct svc_xprt_class svc_rdma_bc_class;
#endif
/* svc_rdma.c */
+extern struct workqueue_struct *svc_rdma_wq;
extern int svc_rdma_init(void);
extern void svc_rdma_cleanup(void);
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index 11528591d0d7..c34c9002460c 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -83,6 +83,8 @@ struct rdma_dev_addr {
int bound_dev_if;
enum rdma_transport_type transport;
struct net *net;
+ enum rdma_network_type network;
+ int hoplimit;
};
/**
@@ -91,8 +93,8 @@ struct rdma_dev_addr {
*
* The dev_addr->net field must be initialized.
*/
-int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr,
- u16 *vlan_id);
+int rdma_translate_ip(const struct sockaddr *addr,
+ struct rdma_dev_addr *dev_addr, u16 *vlan_id);
/**
* rdma_resolve_ip - Resolve source and destination IP addresses to
@@ -117,6 +119,10 @@ int rdma_resolve_ip(struct rdma_addr_client *client,
struct rdma_dev_addr *addr, void *context),
void *context);
+int rdma_resolve_ip_route(struct sockaddr *src_addr,
+ const struct sockaddr *dst_addr,
+ struct rdma_dev_addr *addr);
+
void rdma_addr_cancel(struct rdma_dev_addr *addr);
int rdma_copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev,
@@ -125,8 +131,10 @@ int rdma_copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev,
int rdma_addr_size(struct sockaddr *addr);
int rdma_addr_find_smac_by_sgid(union ib_gid *sgid, u8 *smac, u16 *vlan_id);
-int rdma_addr_find_dmac_by_grh(const union ib_gid *sgid, const union ib_gid *dgid,
- u8 *smac, u16 *vlan_id, int if_index);
+int rdma_addr_find_l2_eth_by_grh(const union ib_gid *sgid,
+ const union ib_gid *dgid,
+ u8 *smac, u16 *vlan_id, int *if_index,
+ int *hoplimit);
static inline u16 ib_addr_get_pkey(struct rdma_dev_addr *dev_addr)
{
diff --git a/include/rdma/ib_cache.h b/include/rdma/ib_cache.h
index 269a27cf0a46..e30f19bd4a41 100644
--- a/include/rdma/ib_cache.h
+++ b/include/rdma/ib_cache.h
@@ -60,6 +60,7 @@ int ib_get_cached_gid(struct ib_device *device,
* a specified GID value occurs.
* @device: The device to query.
* @gid: The GID value to search for.
+ * @gid_type: The GID type to search for.
* @ndev: In RoCE, the net device of the device. NULL means ignore.
* @port_num: The port number of the device where the GID value was found.
* @index: The index into the cached GID table where the GID was found. This
@@ -70,6 +71,7 @@ int ib_get_cached_gid(struct ib_device *device,
*/
int ib_find_cached_gid(struct ib_device *device,
const union ib_gid *gid,
+ enum ib_gid_type gid_type,
struct net_device *ndev,
u8 *port_num,
u16 *index);
@@ -79,6 +81,7 @@ int ib_find_cached_gid(struct ib_device *device,
* GID value occurs
* @device: The device to query.
* @gid: The GID value to search for.
+ * @gid_type: The GID type to search for.
* @port_num: The port number of the device where the GID value sould be
* searched.
* @ndev: In RoCE, the net device of the device. Null means ignore.
@@ -90,6 +93,7 @@ int ib_find_cached_gid(struct ib_device *device,
*/
int ib_find_cached_gid_by_port(struct ib_device *device,
const union ib_gid *gid,
+ enum ib_gid_type gid_type,
u8 port_num,
struct net_device *ndev,
u16 *index);
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
index ec9b44dd3d80..0ff049bd9ad4 100644
--- a/include/rdma/ib_mad.h
+++ b/include/rdma/ib_mad.h
@@ -438,6 +438,7 @@ typedef void (*ib_mad_snoop_handler)(struct ib_mad_agent *mad_agent,
/**
* ib_mad_recv_handler - callback handler for a received MAD.
* @mad_agent: MAD agent requesting the received MAD.
+ * @send_buf: Send buffer if found, else NULL
* @mad_recv_wc: Received work completion information on the received MAD.
*
* MADs received in response to a send request operation will be handed to
@@ -447,6 +448,7 @@ typedef void (*ib_mad_snoop_handler)(struct ib_mad_agent *mad_agent,
* modify the data referenced by @mad_recv_wc.
*/
typedef void (*ib_mad_recv_handler)(struct ib_mad_agent *mad_agent,
+ struct ib_mad_send_buf *send_buf,
struct ib_mad_recv_wc *mad_recv_wc);
/**
diff --git a/include/rdma/ib_pack.h b/include/rdma/ib_pack.h
index e99d8f9a4551..0f3daae44bf9 100644
--- a/include/rdma/ib_pack.h
+++ b/include/rdma/ib_pack.h
@@ -41,6 +41,8 @@ enum {
IB_ETH_BYTES = 14,
IB_VLAN_BYTES = 4,
IB_GRH_BYTES = 40,
+ IB_IP4_BYTES = 20,
+ IB_UDP_BYTES = 8,
IB_BTH_BYTES = 12,
IB_DETH_BYTES = 8
};
@@ -223,6 +225,27 @@ struct ib_unpacked_eth {
__be16 type;
};
+struct ib_unpacked_ip4 {
+ u8 ver;
+ u8 hdr_len;
+ u8 tos;
+ __be16 tot_len;
+ __be16 id;
+ __be16 frag_off;
+ u8 ttl;
+ u8 protocol;
+ __sum16 check;
+ __be32 saddr;
+ __be32 daddr;
+};
+
+struct ib_unpacked_udp {
+ __be16 sport;
+ __be16 dport;
+ __be16 length;
+ __be16 csum;
+};
+
struct ib_unpacked_vlan {
__be16 tag;
__be16 type;
@@ -237,6 +260,10 @@ struct ib_ud_header {
struct ib_unpacked_vlan vlan;
int grh_present;
struct ib_unpacked_grh grh;
+ int ipv4_present;
+ struct ib_unpacked_ip4 ip4;
+ int udp_present;
+ struct ib_unpacked_udp udp;
struct ib_unpacked_bth bth;
struct ib_unpacked_deth deth;
int immediate_present;
@@ -253,13 +280,17 @@ void ib_unpack(const struct ib_field *desc,
void *buf,
void *structure);
-void ib_ud_header_init(int payload_bytes,
- int lrh_present,
- int eth_present,
- int vlan_present,
- int grh_present,
- int immediate_present,
- struct ib_ud_header *header);
+__sum16 ib_ud_ip4_csum(struct ib_ud_header *header);
+
+int ib_ud_header_init(int payload_bytes,
+ int lrh_present,
+ int eth_present,
+ int vlan_present,
+ int grh_present,
+ int ip_version,
+ int udp_present,
+ int immediate_present,
+ struct ib_ud_header *header);
int ib_ud_header_pack(struct ib_ud_header *header,
void *buf);
diff --git a/include/rdma/ib_pma.h b/include/rdma/ib_pma.h
index a5889f18807b..2f8a65c1fca7 100644
--- a/include/rdma/ib_pma.h
+++ b/include/rdma/ib_pma.h
@@ -42,6 +42,7 @@
*/
#define IB_PMA_CLASS_CAP_ALLPORTSELECT cpu_to_be16(1 << 8)
#define IB_PMA_CLASS_CAP_EXT_WIDTH cpu_to_be16(1 << 9)
+#define IB_PMA_CLASS_CAP_EXT_WIDTH_NOIETF cpu_to_be16(1 << 10)
#define IB_PMA_CLASS_CAP_XMIT_WAIT cpu_to_be16(1 << 12)
#define IB_PMA_CLASS_PORT_INFO cpu_to_be16(0x0001)
diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h
index 301969552d0a..cdc1c81aa275 100644
--- a/include/rdma/ib_sa.h
+++ b/include/rdma/ib_sa.h
@@ -160,6 +160,7 @@ struct ib_sa_path_rec {
int ifindex;
/* ignored in IB */
struct net *net;
+ enum ib_gid_type gid_type;
};
static inline struct net_device *ib_get_ndev_from_path(struct ib_sa_path_rec *rec)
@@ -402,6 +403,8 @@ int ib_sa_get_mcmember_rec(struct ib_device *device, u8 port_num,
*/
int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num,
struct ib_sa_mcmember_rec *rec,
+ struct net_device *ndev,
+ enum ib_gid_type gid_type,
struct ib_ah_attr *ah_attr);
/**
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 120da1d7f57e..284b00c8fea4 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -49,13 +49,19 @@
#include <linux/scatterlist.h>
#include <linux/workqueue.h>
#include <linux/socket.h>
+#include <linux/irq_poll.h>
#include <uapi/linux/if_ether.h>
+#include <net/ipv6.h>
+#include <net/ip.h>
+#include <linux/string.h>
+#include <linux/slab.h>
#include <linux/atomic.h>
#include <linux/mmu_notifier.h>
#include <asm/uaccess.h>
extern struct workqueue_struct *ib_wq;
+extern struct workqueue_struct *ib_comp_wq;
union ib_gid {
u8 raw[16];
@@ -67,7 +73,17 @@ union ib_gid {
extern union ib_gid zgid;
+enum ib_gid_type {
+ /* If link layer is Ethernet, this is RoCE V1 */
+ IB_GID_TYPE_IB = 0,
+ IB_GID_TYPE_ROCE = 0,
+ IB_GID_TYPE_ROCE_UDP_ENCAP = 1,
+ IB_GID_TYPE_SIZE
+};
+
+#define ROCE_V2_UDP_DPORT 4791
struct ib_gid_attr {
+ enum ib_gid_type gid_type;
struct net_device *ndev;
};
@@ -98,6 +114,35 @@ enum rdma_protocol_type {
__attribute_const__ enum rdma_transport_type
rdma_node_get_transport(enum rdma_node_type node_type);
+enum rdma_network_type {
+ RDMA_NETWORK_IB,
+ RDMA_NETWORK_ROCE_V1 = RDMA_NETWORK_IB,
+ RDMA_NETWORK_IPV4,
+ RDMA_NETWORK_IPV6
+};
+
+static inline enum ib_gid_type ib_network_to_gid_type(enum rdma_network_type network_type)
+{
+ if (network_type == RDMA_NETWORK_IPV4 ||
+ network_type == RDMA_NETWORK_IPV6)
+ return IB_GID_TYPE_ROCE_UDP_ENCAP;
+
+ /* IB_GID_TYPE_IB same as RDMA_NETWORK_ROCE_V1 */
+ return IB_GID_TYPE_IB;
+}
+
+static inline enum rdma_network_type ib_gid_to_network_type(enum ib_gid_type gid_type,
+ union ib_gid *gid)
+{
+ if (gid_type == IB_GID_TYPE_IB)
+ return RDMA_NETWORK_IB;
+
+ if (ipv6_addr_v4mapped((struct in6_addr *)gid))
+ return RDMA_NETWORK_IPV4;
+ else
+ return RDMA_NETWORK_IPV6;
+}
+
enum rdma_link_layer {
IB_LINK_LAYER_UNSPECIFIED,
IB_LINK_LAYER_INFINIBAND,
@@ -105,24 +150,32 @@ enum rdma_link_layer {
};
enum ib_device_cap_flags {
- IB_DEVICE_RESIZE_MAX_WR = 1,
- IB_DEVICE_BAD_PKEY_CNTR = (1<<1),
- IB_DEVICE_BAD_QKEY_CNTR = (1<<2),
- IB_DEVICE_RAW_MULTI = (1<<3),
- IB_DEVICE_AUTO_PATH_MIG = (1<<4),
- IB_DEVICE_CHANGE_PHY_PORT = (1<<5),
- IB_DEVICE_UD_AV_PORT_ENFORCE = (1<<6),
- IB_DEVICE_CURR_QP_STATE_MOD = (1<<7),
- IB_DEVICE_SHUTDOWN_PORT = (1<<8),
- IB_DEVICE_INIT_TYPE = (1<<9),
- IB_DEVICE_PORT_ACTIVE_EVENT = (1<<10),
- IB_DEVICE_SYS_IMAGE_GUID = (1<<11),
- IB_DEVICE_RC_RNR_NAK_GEN = (1<<12),
- IB_DEVICE_SRQ_RESIZE = (1<<13),
- IB_DEVICE_N_NOTIFY_CQ = (1<<14),
- IB_DEVICE_LOCAL_DMA_LKEY = (1<<15),
- IB_DEVICE_RESERVED = (1<<16), /* old SEND_W_INV */
- IB_DEVICE_MEM_WINDOW = (1<<17),
+ IB_DEVICE_RESIZE_MAX_WR = (1 << 0),
+ IB_DEVICE_BAD_PKEY_CNTR = (1 << 1),
+ IB_DEVICE_BAD_QKEY_CNTR = (1 << 2),
+ IB_DEVICE_RAW_MULTI = (1 << 3),
+ IB_DEVICE_AUTO_PATH_MIG = (1 << 4),
+ IB_DEVICE_CHANGE_PHY_PORT = (1 << 5),
+ IB_DEVICE_UD_AV_PORT_ENFORCE = (1 << 6),
+ IB_DEVICE_CURR_QP_STATE_MOD = (1 << 7),
+ IB_DEVICE_SHUTDOWN_PORT = (1 << 8),
+ IB_DEVICE_INIT_TYPE = (1 << 9),
+ IB_DEVICE_PORT_ACTIVE_EVENT = (1 << 10),
+ IB_DEVICE_SYS_IMAGE_GUID = (1 << 11),
+ IB_DEVICE_RC_RNR_NAK_GEN = (1 << 12),
+ IB_DEVICE_SRQ_RESIZE = (1 << 13),
+ IB_DEVICE_N_NOTIFY_CQ = (1 << 14),
+
+ /*
+ * This device supports a per-device lkey or stag that can be
+ * used without performing a memory registration for the local
+ * memory. Note that ULPs should never check this flag, but
+ * instead of use the local_dma_lkey flag in the ib_pd structure,
+ * which will always contain a usable lkey.
+ */
+ IB_DEVICE_LOCAL_DMA_LKEY = (1 << 15),
+ IB_DEVICE_RESERVED /* old SEND_W_INV */ = (1 << 16),
+ IB_DEVICE_MEM_WINDOW = (1 << 17),
/*
* Devices should set IB_DEVICE_UD_IP_SUM if they support
* insertion of UDP and TCP checksum on outgoing UD IPoIB
@@ -130,18 +183,35 @@ enum ib_device_cap_flags {
* incoming messages. Setting this flag implies that the
* IPoIB driver may set NETIF_F_IP_CSUM for datagram mode.
*/
- IB_DEVICE_UD_IP_CSUM = (1<<18),
- IB_DEVICE_UD_TSO = (1<<19),
- IB_DEVICE_XRC = (1<<20),
- IB_DEVICE_MEM_MGT_EXTENSIONS = (1<<21),
- IB_DEVICE_BLOCK_MULTICAST_LOOPBACK = (1<<22),
- IB_DEVICE_MEM_WINDOW_TYPE_2A = (1<<23),
- IB_DEVICE_MEM_WINDOW_TYPE_2B = (1<<24),
- IB_DEVICE_RC_IP_CSUM = (1<<25),
- IB_DEVICE_RAW_IP_CSUM = (1<<26),
- IB_DEVICE_MANAGED_FLOW_STEERING = (1<<29),
- IB_DEVICE_SIGNATURE_HANDOVER = (1<<30),
- IB_DEVICE_ON_DEMAND_PAGING = (1<<31),
+ IB_DEVICE_UD_IP_CSUM = (1 << 18),
+ IB_DEVICE_UD_TSO = (1 << 19),
+ IB_DEVICE_XRC = (1 << 20),
+
+ /*
+ * This device supports the IB "base memory management extension",
+ * which includes support for fast registrations (IB_WR_REG_MR,
+ * IB_WR_LOCAL_INV and IB_WR_SEND_WITH_INV verbs). This flag should
+ * also be set by any iWarp device which must support FRs to comply
+ * to the iWarp verbs spec. iWarp devices also support the
+ * IB_WR_RDMA_READ_WITH_INV verb for RDMA READs that invalidate the
+ * stag.
+ */
+ IB_DEVICE_MEM_MGT_EXTENSIONS = (1 << 21),
+ IB_DEVICE_BLOCK_MULTICAST_LOOPBACK = (1 << 22),
+ IB_DEVICE_MEM_WINDOW_TYPE_2A = (1 << 23),
+ IB_DEVICE_MEM_WINDOW_TYPE_2B = (1 << 24),
+ IB_DEVICE_RC_IP_CSUM = (1 << 25),
+ IB_DEVICE_RAW_IP_CSUM = (1 << 26),
+ /*
+ * Devices should set IB_DEVICE_CROSS_CHANNEL if they
+ * support execution of WQEs that involve synchronization
+ * of I/O operations with single completion queue managed
+ * by hardware.
+ */
+ IB_DEVICE_CROSS_CHANNEL = (1 << 27),
+ IB_DEVICE_MANAGED_FLOW_STEERING = (1 << 29),
+ IB_DEVICE_SIGNATURE_HANDOVER = (1 << 30),
+ IB_DEVICE_ON_DEMAND_PAGING = (1 << 31),
};
enum ib_signature_prot_cap {
@@ -184,6 +254,7 @@ struct ib_odp_caps {
enum ib_cq_creation_flags {
IB_CQ_FLAGS_TIMESTAMP_COMPLETION = 1 << 0,
+ IB_CQ_FLAGS_IGNORE_OVERRUN = 1 << 1,
};
struct ib_cq_init_attr {
@@ -393,6 +464,7 @@ union rdma_protocol_stats {
#define RDMA_CORE_CAP_PROT_IB 0x00100000
#define RDMA_CORE_CAP_PROT_ROCE 0x00200000
#define RDMA_CORE_CAP_PROT_IWARP 0x00400000
+#define RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP 0x00800000
#define RDMA_CORE_PORT_IBA_IB (RDMA_CORE_CAP_PROT_IB \
| RDMA_CORE_CAP_IB_MAD \
@@ -405,6 +477,12 @@ union rdma_protocol_stats {
| RDMA_CORE_CAP_IB_CM \
| RDMA_CORE_CAP_AF_IB \
| RDMA_CORE_CAP_ETH_AH)
+#define RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP \
+ (RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP \
+ | RDMA_CORE_CAP_IB_MAD \
+ | RDMA_CORE_CAP_IB_CM \
+ | RDMA_CORE_CAP_AF_IB \
+ | RDMA_CORE_CAP_ETH_AH)
#define RDMA_CORE_PORT_IWARP (RDMA_CORE_CAP_PROT_IWARP \
| RDMA_CORE_CAP_IW_CM)
#define RDMA_CORE_PORT_INTEL_OPA (RDMA_CORE_PORT_IBA_IB \
@@ -519,6 +597,17 @@ struct ib_grh {
union ib_gid dgid;
};
+union rdma_network_hdr {
+ struct ib_grh ibgrh;
+ struct {
+ /* The IB spec states that if it's IPv4, the header
+ * is located in the last 20 bytes of the header.
+ */
+ u8 reserved[20];
+ struct iphdr roce4grh;
+ };
+};
+
enum {
IB_MULTICAST_QPN = 0xffffff
};
@@ -734,7 +823,6 @@ enum ib_wc_opcode {
IB_WC_RDMA_READ,
IB_WC_COMP_SWAP,
IB_WC_FETCH_ADD,
- IB_WC_BIND_MW,
IB_WC_LSO,
IB_WC_LOCAL_INV,
IB_WC_REG_MR,
@@ -755,10 +843,14 @@ enum ib_wc_flags {
IB_WC_IP_CSUM_OK = (1<<3),
IB_WC_WITH_SMAC = (1<<4),
IB_WC_WITH_VLAN = (1<<5),
+ IB_WC_WITH_NETWORK_HDR_TYPE = (1<<6),
};
struct ib_wc {
- u64 wr_id;
+ union {
+ u64 wr_id;
+ struct ib_cqe *wr_cqe;
+ };
enum ib_wc_status status;
enum ib_wc_opcode opcode;
u32 vendor_err;
@@ -777,6 +869,7 @@ struct ib_wc {
u8 port_num; /* valid only for DR SMPs on switches */
u8 smac[ETH_ALEN];
u16 vlan_id;
+ u8 network_hdr_type;
};
enum ib_cq_notify_flags {
@@ -866,6 +959,9 @@ enum ib_qp_type {
enum ib_qp_create_flags {
IB_QP_CREATE_IPOIB_UD_LSO = 1 << 0,
IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK = 1 << 1,
+ IB_QP_CREATE_CROSS_CHANNEL = 1 << 2,
+ IB_QP_CREATE_MANAGED_SEND = 1 << 3,
+ IB_QP_CREATE_MANAGED_RECV = 1 << 4,
IB_QP_CREATE_NETIF_QP = 1 << 5,
IB_QP_CREATE_SIGNATURE_EN = 1 << 6,
IB_QP_CREATE_USE_GFP_NOIO = 1 << 7,
@@ -1027,7 +1123,6 @@ enum ib_wr_opcode {
IB_WR_REG_MR,
IB_WR_MASKED_ATOMIC_CMP_AND_SWP,
IB_WR_MASKED_ATOMIC_FETCH_AND_ADD,
- IB_WR_BIND_MW,
IB_WR_REG_SIG_MR,
/* reserve values for low level drivers' internal use.
* These values will not be used at all in the ib core layer.
@@ -1062,26 +1157,16 @@ struct ib_sge {
u32 lkey;
};
-/**
- * struct ib_mw_bind_info - Parameters for a memory window bind operation.
- * @mr: A memory region to bind the memory window to.
- * @addr: The address where the memory window should begin.
- * @length: The length of the memory window, in bytes.
- * @mw_access_flags: Access flags from enum ib_access_flags for the window.
- *
- * This struct contains the shared parameters for type 1 and type 2
- * memory window bind operations.
- */
-struct ib_mw_bind_info {
- struct ib_mr *mr;
- u64 addr;
- u64 length;
- int mw_access_flags;
+struct ib_cqe {
+ void (*done)(struct ib_cq *cq, struct ib_wc *wc);
};
struct ib_send_wr {
struct ib_send_wr *next;
- u64 wr_id;
+ union {
+ u64 wr_id;
+ struct ib_cqe *wr_cqe;
+ };
struct ib_sge *sg_list;
int num_sge;
enum ib_wr_opcode opcode;
@@ -1147,19 +1232,6 @@ static inline struct ib_reg_wr *reg_wr(struct ib_send_wr *wr)
return container_of(wr, struct ib_reg_wr, wr);
}
-struct ib_bind_mw_wr {
- struct ib_send_wr wr;
- struct ib_mw *mw;
- /* The new rkey for the memory window. */
- u32 rkey;
- struct ib_mw_bind_info bind_info;
-};
-
-static inline struct ib_bind_mw_wr *bind_mw_wr(struct ib_send_wr *wr)
-{
- return container_of(wr, struct ib_bind_mw_wr, wr);
-}
-
struct ib_sig_handover_wr {
struct ib_send_wr wr;
struct ib_sig_attrs *sig_attrs;
@@ -1175,7 +1247,10 @@ static inline struct ib_sig_handover_wr *sig_handover_wr(struct ib_send_wr *wr)
struct ib_recv_wr {
struct ib_recv_wr *next;
- u64 wr_id;
+ union {
+ u64 wr_id;
+ struct ib_cqe *wr_cqe;
+ };
struct ib_sge *sg_list;
int num_sge;
};
@@ -1190,20 +1265,10 @@ enum ib_access_flags {
IB_ACCESS_ON_DEMAND = (1<<6),
};
-struct ib_phys_buf {
- u64 addr;
- u64 size;
-};
-
-struct ib_mr_attr {
- struct ib_pd *pd;
- u64 device_virt_addr;
- u64 size;
- int mr_access_flags;
- u32 lkey;
- u32 rkey;
-};
-
+/*
+ * XXX: these are apparently used for ->rereg_user_mr, no idea why they
+ * are hidden here instead of a uapi header!
+ */
enum ib_mr_rereg_flags {
IB_MR_REREG_TRANS = 1,
IB_MR_REREG_PD = (1<<1),
@@ -1211,18 +1276,6 @@ enum ib_mr_rereg_flags {
IB_MR_REREG_SUPPORTED = ((IB_MR_REREG_ACCESS << 1) - 1)
};
-/**
- * struct ib_mw_bind - Parameters for a type 1 memory window bind operation.
- * @wr_id: Work request id.
- * @send_flags: Flags from ib_send_flags enum.
- * @bind_info: More parameters of the bind operation.
- */
-struct ib_mw_bind {
- u64 wr_id;
- int send_flags;
- struct ib_mw_bind_info bind_info;
-};
-
struct ib_fmr_attr {
int max_pages;
int max_maps;
@@ -1307,6 +1360,12 @@ struct ib_ah {
typedef void (*ib_comp_handler)(struct ib_cq *cq, void *cq_context);
+enum ib_poll_context {
+ IB_POLL_DIRECT, /* caller context, no hw completions */
+ IB_POLL_SOFTIRQ, /* poll from softirq context */
+ IB_POLL_WORKQUEUE, /* poll from workqueue */
+};
+
struct ib_cq {
struct ib_device *device;
struct ib_uobject *uobject;
@@ -1315,6 +1374,12 @@ struct ib_cq {
void *cq_context;
int cqe;
atomic_t usecnt; /* count number of work queues */
+ enum ib_poll_context poll_ctx;
+ struct ib_wc *wc;
+ union {
+ struct irq_poll iop;
+ struct work_struct work;
+ };
};
struct ib_srq {
@@ -1363,7 +1428,6 @@ struct ib_mr {
u64 iova;
u32 length;
unsigned int page_size;
- atomic_t usecnt; /* count number of MWs */
};
struct ib_mw {
@@ -1724,11 +1788,6 @@ struct ib_device {
int wc_cnt);
struct ib_mr * (*get_dma_mr)(struct ib_pd *pd,
int mr_access_flags);
- struct ib_mr * (*reg_phys_mr)(struct ib_pd *pd,
- struct ib_phys_buf *phys_buf_array,
- int num_phys_buf,
- int mr_access_flags,
- u64 *iova_start);
struct ib_mr * (*reg_user_mr)(struct ib_pd *pd,
u64 start, u64 length,
u64 virt_addr,
@@ -1741,8 +1800,6 @@ struct ib_device {
int mr_access_flags,
struct ib_pd *pd,
struct ib_udata *udata);
- int (*query_mr)(struct ib_mr *mr,
- struct ib_mr_attr *mr_attr);
int (*dereg_mr)(struct ib_mr *mr);
struct ib_mr * (*alloc_mr)(struct ib_pd *pd,
enum ib_mr_type mr_type,
@@ -1750,18 +1807,8 @@ struct ib_device {
int (*map_mr_sg)(struct ib_mr *mr,
struct scatterlist *sg,
int sg_nents);
- int (*rereg_phys_mr)(struct ib_mr *mr,
- int mr_rereg_mask,
- struct ib_pd *pd,
- struct ib_phys_buf *phys_buf_array,
- int num_phys_buf,
- int mr_access_flags,
- u64 *iova_start);
struct ib_mw * (*alloc_mw)(struct ib_pd *pd,
enum ib_mw_type type);
- int (*bind_mw)(struct ib_qp *qp,
- struct ib_mw *mw,
- struct ib_mw_bind *mw_bind);
int (*dealloc_mw)(struct ib_mw *mw);
struct ib_fmr * (*alloc_fmr)(struct ib_pd *pd,
int mr_access_flags,
@@ -1823,6 +1870,7 @@ struct ib_device {
u16 is_switch:1;
u8 node_type;
u8 phys_port_cnt;
+ struct ib_device_attr attrs;
/**
* The following mandatory functions are used only at device
@@ -1888,6 +1936,31 @@ static inline int ib_copy_to_udata(struct ib_udata *udata, void *src, size_t len
return copy_to_user(udata->outbuf, src, len) ? -EFAULT : 0;
}
+static inline bool ib_is_udata_cleared(struct ib_udata *udata,
+ size_t offset,
+ size_t len)
+{
+ const void __user *p = udata->inbuf + offset;
+ bool ret = false;
+ u8 *buf;
+
+ if (len > USHRT_MAX)
+ return false;
+
+ buf = kmalloc(len, GFP_KERNEL);
+ if (!buf)
+ return false;
+
+ if (copy_from_user(buf, p, len))
+ goto free;
+
+ ret = !memchr_inv(buf, 0, len);
+
+free:
+ kfree(buf);
+ return ret;
+}
+
/**
* ib_modify_qp_is_ok - Check that the supplied attribute mask
* contains all required attributes and no attributes not allowed for
@@ -1912,9 +1985,6 @@ int ib_register_event_handler (struct ib_event_handler *event_handler);
int ib_unregister_event_handler(struct ib_event_handler *event_handler);
void ib_dispatch_event(struct ib_event *event);
-int ib_query_device(struct ib_device *device,
- struct ib_device_attr *device_attr);
-
int ib_query_port(struct ib_device *device,
u8 port_num, struct ib_port_attr *port_attr);
@@ -1968,6 +2038,17 @@ static inline bool rdma_protocol_ib(const struct ib_device *device, u8 port_num)
static inline bool rdma_protocol_roce(const struct ib_device *device, u8 port_num)
{
+ return device->port_immutable[port_num].core_cap_flags &
+ (RDMA_CORE_CAP_PROT_ROCE | RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP);
+}
+
+static inline bool rdma_protocol_roce_udp_encap(const struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP;
+}
+
+static inline bool rdma_protocol_roce_eth_encap(const struct ib_device *device, u8 port_num)
+{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_ROCE;
}
@@ -1978,8 +2059,8 @@ static inline bool rdma_protocol_iwarp(const struct ib_device *device, u8 port_n
static inline bool rdma_ib_or_roce(const struct ib_device *device, u8 port_num)
{
- return device->port_immutable[port_num].core_cap_flags &
- (RDMA_CORE_CAP_PROT_IB | RDMA_CORE_CAP_PROT_ROCE);
+ return rdma_protocol_ib(device, port_num) ||
+ rdma_protocol_roce(device, port_num);
}
/**
@@ -2220,7 +2301,8 @@ int ib_modify_port(struct ib_device *device,
struct ib_port_modify *port_modify);
int ib_find_gid(struct ib_device *device, union ib_gid *gid,
- struct net_device *ndev, u8 *port_num, u16 *index);
+ enum ib_gid_type gid_type, struct net_device *ndev,
+ u8 *port_num, u16 *index);
int ib_find_pkey(struct ib_device *device,
u8 port_num, u16 pkey, u16 *index);
@@ -2454,6 +2536,11 @@ static inline int ib_post_recv(struct ib_qp *qp,
return qp->device->post_recv(qp, recv_wr, bad_recv_wr);
}
+struct ib_cq *ib_alloc_cq(struct ib_device *dev, void *private,
+ int nr_cqe, int comp_vector, enum ib_poll_context poll_ctx);
+void ib_free_cq(struct ib_cq *cq);
+int ib_process_cq_direct(struct ib_cq *cq, int budget);
+
/**
* ib_create_cq - Creates a CQ on the specified device.
* @device: The device on which to create the CQ.
@@ -2839,13 +2926,6 @@ static inline void ib_dma_free_coherent(struct ib_device *dev,
}
/**
- * ib_query_mr - Retrieves information about a specific memory region.
- * @mr: The memory region to retrieve information about.
- * @mr_attr: The attributes of the specified memory region.
- */
-int ib_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);
-
-/**
* ib_dereg_mr - Deregisters a memory region and removes it from the
* HCA translation table.
* @mr: The memory region to deregister.
@@ -2882,42 +2962,6 @@ static inline u32 ib_inc_rkey(u32 rkey)
}
/**
- * ib_alloc_mw - Allocates a memory window.
- * @pd: The protection domain associated with the memory window.
- * @type: The type of the memory window (1 or 2).
- */
-struct ib_mw *ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
-
-/**
- * ib_bind_mw - Posts a work request to the send queue of the specified
- * QP, which binds the memory window to the given address range and
- * remote access attributes.
- * @qp: QP to post the bind work request on.
- * @mw: The memory window to bind.
- * @mw_bind: Specifies information about the memory window, including
- * its address range, remote access rights, and associated memory region.
- *
- * If there is no immediate error, the function will update the rkey member
- * of the mw parameter to its new value. The bind operation can still fail
- * asynchronously.
- */
-static inline int ib_bind_mw(struct ib_qp *qp,
- struct ib_mw *mw,
- struct ib_mw_bind *mw_bind)
-{
- /* XXX reference counting in corresponding MR? */
- return mw->device->bind_mw ?
- mw->device->bind_mw(qp, mw, mw_bind) :
- -ENOSYS;
-}
-
-/**
- * ib_dealloc_mw - Deallocates a memory window.
- * @mw: The memory window to deallocate.
- */
-int ib_dealloc_mw(struct ib_mw *mw);
-
-/**
* ib_alloc_fmr - Allocates a unmapped fast memory region.
* @pd: The protection domain associated with the unmapped region.
* @mr_access_flags: Specifies the memory access rights.
diff --git a/include/scsi/iser.h b/include/scsi/iser.h
new file mode 100644
index 000000000000..2e678fa74eca
--- /dev/null
+++ b/include/scsi/iser.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ISCSI_ISER_H
+#define ISCSI_ISER_H
+
+#define ISER_ZBVA_NOT_SUP 0x80
+#define ISER_SEND_W_INV_NOT_SUP 0x40
+#define ISERT_ZBVA_NOT_USED 0x80
+#define ISERT_SEND_W_INV_NOT_USED 0x40
+
+#define ISCSI_CTRL 0x10
+#define ISER_HELLO 0x20
+#define ISER_HELLORPLY 0x30
+
+#define ISER_VER 0x10
+#define ISER_WSV 0x08
+#define ISER_RSV 0x04
+
+/**
+ * struct iser_cm_hdr - iSER CM header (from iSER Annex A12)
+ *
+ * @flags: flags support (zbva, send_w_inv)
+ * @rsvd: reserved
+ */
+struct iser_cm_hdr {
+ u8 flags;
+ u8 rsvd[3];
+} __packed;
+
+/**
+ * struct iser_ctrl - iSER header of iSCSI control PDU
+ *
+ * @flags: opcode and read/write valid bits
+ * @rsvd: reserved
+ * @write_stag: write rkey
+ * @write_va: write virtual address
+ * @reaf_stag: read rkey
+ * @read_va: read virtual address
+ */
+struct iser_ctrl {
+ u8 flags;
+ u8 rsvd[3];
+ __be32 write_stag;
+ __be64 write_va;
+ __be32 read_stag;
+ __be64 read_va;
+} __packed;
+
+#endif /* ISCSI_ISER_H */
diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
index ff8f6c091a15..f95f25e786ef 100644
--- a/include/trace/events/irq.h
+++ b/include/trace/events/irq.h
@@ -15,7 +15,7 @@ struct softirq_action;
softirq_name(NET_TX) \
softirq_name(NET_RX) \
softirq_name(BLOCK) \
- softirq_name(BLOCK_IOPOLL) \
+ softirq_name(IRQ_POLL) \
softirq_name(TASKLET) \
softirq_name(SCHED) \
softirq_name(HRTIMER) \
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.