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-rw-r--r--include/rdma/ib_cm.h14
-rw-r--r--include/rdma/ib_hdrs.h66
-rw-r--r--include/rdma/ib_mad.h40
-rw-r--r--include/rdma/ib_marshall.h6
-rw-r--r--include/rdma/ib_pack.h2
-rw-r--r--include/rdma/ib_sa.h304
-rw-r--r--include/rdma/ib_umem.h8
-rw-r--r--include/rdma/ib_umem_odp.h6
-rw-r--r--include/rdma/ib_verbs.h325
-rw-r--r--include/rdma/opa_addr.h79
-rw-r--r--include/rdma/opa_port_info.h3
-rw-r--r--include/rdma/opa_vnic.h141
-rw-r--r--include/rdma/rdma_cm.h4
-rw-r--r--include/rdma/rdma_cm_ib.h2
-rw-r--r--include/rdma/rdma_vt.h11
-rw-r--r--include/rdma/rdmavt_qp.h18
-rw-r--r--include/rdma/uverbs_std_types.h114
-rw-r--r--include/rdma/uverbs_types.h172
18 files changed, 1222 insertions, 93 deletions
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index b49258b16f4e..7979cb04f529 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -117,8 +117,8 @@ struct ib_cm_req_event_param {
u8 port;
- struct ib_sa_path_rec *primary_path;
- struct ib_sa_path_rec *alternate_path;
+ struct sa_path_rec *primary_path;
+ struct sa_path_rec *alternate_path;
__be64 remote_ca_guid;
u32 remote_qkey;
@@ -197,7 +197,7 @@ struct ib_cm_mra_event_param {
};
struct ib_cm_lap_event_param {
- struct ib_sa_path_rec *alternate_path;
+ struct sa_path_rec *alternate_path;
};
enum ib_cm_apr_status {
@@ -363,8 +363,8 @@ struct ib_cm_id *ib_cm_insert_listen(struct ib_device *device,
__be64 service_id);
struct ib_cm_req_param {
- struct ib_sa_path_rec *primary_path;
- struct ib_sa_path_rec *alternate_path;
+ struct sa_path_rec *primary_path;
+ struct sa_path_rec *alternate_path;
__be64 service_id;
u32 qp_num;
enum ib_qp_type qp_type;
@@ -521,7 +521,7 @@ int ib_send_cm_mra(struct ib_cm_id *cm_id,
* @private_data_len: Size of the private data buffer, in bytes.
*/
int ib_send_cm_lap(struct ib_cm_id *cm_id,
- struct ib_sa_path_rec *alternate_path,
+ struct sa_path_rec *alternate_path,
const void *private_data,
u8 private_data_len);
@@ -565,7 +565,7 @@ int ib_send_cm_apr(struct ib_cm_id *cm_id,
u8 private_data_len);
struct ib_cm_sidr_req_param {
- struct ib_sa_path_rec *path;
+ struct sa_path_rec *path;
__be64 service_id;
int timeout_ms;
const void *private_data;
diff --git a/include/rdma/ib_hdrs.h b/include/rdma/ib_hdrs.h
index c755325f0831..5519f31f043a 100644
--- a/include/rdma/ib_hdrs.h
+++ b/include/rdma/ib_hdrs.h
@@ -74,6 +74,12 @@
#define IB_GRH_FLOW_MASK 0xFFFFF
#define IB_GRH_FLOW_SHIFT 0
#define IB_GRH_NEXT_HDR 0x1B
+#define IB_FECN_SHIFT 31
+#define IB_FECN_MASK 1
+#define IB_FECN_SMASK BIT(IB_FECN_SHIFT)
+#define IB_BECN_SHIFT 30
+#define IB_BECN_MASK 1
+#define IB_BECN_SMASK BIT(IB_BECN_SHIFT)
#define IB_AETH_CREDIT_SHIFT 24
#define IB_AETH_CREDIT_MASK 0x1F
@@ -181,4 +187,64 @@ static inline void put_ib_ateth_compare(u64 val, struct ib_atomic_eth *ateth)
ib_u64_put(val, &ateth->compare_data);
}
+/*
+ * 9B/IB Packet Format
+ */
+#define IB_LNH_MASK 3
+#define IB_SC_MASK 0xf
+#define IB_SC_SHIFT 12
+#define IB_SL_MASK 0xf
+#define IB_SL_SHIFT 4
+
+static inline u8 ib_get_lnh(struct ib_header *hdr)
+{
+ return (be16_to_cpu(hdr->lrh[0]) & IB_LNH_MASK);
+}
+
+static inline u8 ib_get_sc(struct ib_header *hdr)
+{
+ return ((be16_to_cpu(hdr->lrh[0]) >> IB_SC_SHIFT) & IB_SC_MASK);
+}
+
+static inline u8 ib_get_sl(struct ib_header *hdr)
+{
+ return ((be16_to_cpu(hdr->lrh[0]) >> IB_SL_SHIFT) & IB_SL_MASK);
+}
+
+static inline u16 ib_get_dlid(struct ib_header *hdr)
+{
+ return (be16_to_cpu(hdr->lrh[1]));
+}
+
+static inline u16 ib_get_slid(struct ib_header *hdr)
+{
+ return (be16_to_cpu(hdr->lrh[3]));
+}
+
+/*
+ * BTH
+ */
+#define IB_BTH_OPCODE_MASK 0xff
+#define IB_BTH_OPCODE_SHIFT 24
+#define IB_BTH_PAD_MASK 3
+#define IB_BTH_PKEY_MASK 0xffff
+#define IB_BTH_PAD_SHIFT 20
+
+static inline u8 ib_bth_get_pad(struct ib_other_headers *ohdr)
+{
+ return ((be32_to_cpu(ohdr->bth[0]) >> IB_BTH_PAD_SHIFT) &
+ IB_BTH_PAD_MASK);
+}
+
+static inline u16 ib_bth_get_pkey(struct ib_other_headers *ohdr)
+{
+ return (be32_to_cpu(ohdr->bth[0]) & IB_BTH_PKEY_MASK);
+}
+
+static inline u8 ib_bth_get_opcode(struct ib_other_headers *ohdr)
+{
+ return ((be32_to_cpu(ohdr->bth[0]) >> IB_BTH_OPCODE_SHIFT) &
+ IB_BTH_OPCODE_MASK);
+}
+
#endif /* IB_HDRS_H */
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
index 981214b3790c..d67b11b72029 100644
--- a/include/rdma/ib_mad.h
+++ b/include/rdma/ib_mad.h
@@ -262,6 +262,33 @@ struct ib_class_port_info {
__be32 trap_qkey;
};
+#define OPA_CLASS_PORT_INFO_PR_SUPPORT BIT(26)
+
+struct opa_class_port_info {
+ u8 base_version;
+ u8 class_version;
+ __be16 cap_mask;
+ __be32 cap_mask2_resp_time;
+
+ u8 redirect_gid[16];
+ __be32 redirect_tc_fl;
+ __be32 redirect_lid;
+ __be32 redirect_sl_qp;
+ __be32 redirect_qkey;
+
+ u8 trap_gid[16];
+ __be32 trap_tc_fl;
+ __be32 trap_lid;
+ __be32 trap_hl_qp;
+ __be32 trap_qkey;
+
+ __be16 trap_pkey;
+ __be16 redirect_pkey;
+
+ u8 trap_sl_rsvd;
+ u8 reserved[3];
+} __packed;
+
/**
* ib_get_cpi_resp_time - Returns the resp_time value from
* cap_mask2_resp_time in ib_class_port_info.
@@ -315,6 +342,17 @@ static inline void ib_set_cpi_capmask2(struct ib_class_port_info *cpi,
IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
}
+/**
+ * opa_get_cpi_capmask2 - Returns the capmask2 value from
+ * cap_mask2_resp_time in ib_class_port_info.
+ * @cpi: A struct opa_class_port_info mad.
+ */
+static inline u32 opa_get_cpi_capmask2(struct opa_class_port_info *cpi)
+{
+ return (be32_to_cpu(cpi->cap_mask2_resp_time) >>
+ IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
+}
+
struct ib_mad_notice_attr {
u8 generic_type;
u8 prod_type_msb;
@@ -673,7 +711,7 @@ struct ib_mad_agent *ib_register_mad_snoop(struct ib_device *device,
* After invoking this routine, MAD services are no longer usable by the
* client on the associated QP.
*/
-int ib_unregister_mad_agent(struct ib_mad_agent *mad_agent);
+void ib_unregister_mad_agent(struct ib_mad_agent *mad_agent);
/**
* ib_post_send_mad - Posts MAD(s) to the send queue of the QP associated
diff --git a/include/rdma/ib_marshall.h b/include/rdma/ib_marshall.h
index db037205c9e8..68cef3bd50fb 100644
--- a/include/rdma/ib_marshall.h
+++ b/include/rdma/ib_marshall.h
@@ -42,12 +42,12 @@ void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst,
struct ib_qp_attr *src);
void ib_copy_ah_attr_to_user(struct ib_uverbs_ah_attr *dst,
- struct ib_ah_attr *src);
+ struct rdma_ah_attr *src);
void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
- struct ib_sa_path_rec *src);
+ struct sa_path_rec *src);
-void ib_copy_path_rec_from_user(struct ib_sa_path_rec *dst,
+void ib_copy_path_rec_from_user(struct sa_path_rec *dst,
struct ib_user_path_rec *src);
#endif /* IB_USER_MARSHALL_H */
diff --git a/include/rdma/ib_pack.h b/include/rdma/ib_pack.h
index b13419ce99ff..36655899ee02 100644
--- a/include/rdma/ib_pack.h
+++ b/include/rdma/ib_pack.h
@@ -80,6 +80,8 @@ enum {
IB_OPCODE_UD = 0x60,
/* per IBTA 1.3 vol 1 Table 38, A10.3.2 */
IB_OPCODE_CNP = 0x80,
+ /* Manufacturer specific */
+ IB_OPCODE_MSP = 0xe0,
/* operations -- just used to define real constants */
IB_OPCODE_SEND_FIRST = 0x00,
diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h
index fd0e53219f93..f5f70e345318 100644
--- a/include/rdma/ib_sa.h
+++ b/include/rdma/ib_sa.h
@@ -43,6 +43,8 @@
#include <rdma/ib_verbs.h>
#include <rdma/ib_mad.h>
+#include <rdma/ib_addr.h>
+#include <rdma/opa_addr.h>
enum {
IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */
@@ -56,6 +58,7 @@ enum {
IB_SA_METHOD_GET_TRACE_TBL = 0x13
};
+#define OPA_SA_CLASS_VERSION 0x80
enum {
IB_SA_ATTR_CLASS_PORTINFO = 0x01,
IB_SA_ATTR_NOTICE = 0x02,
@@ -147,13 +150,45 @@ enum ib_sa_mc_join_states {
#define IB_SA_PATH_REC_PACKET_LIFE_TIME IB_SA_COMP_MASK(21)
#define IB_SA_PATH_REC_PREFERENCE IB_SA_COMP_MASK(22)
-struct ib_sa_path_rec {
+enum sa_path_rec_type {
+ SA_PATH_REC_TYPE_IB,
+ SA_PATH_REC_TYPE_ROCE_V1,
+ SA_PATH_REC_TYPE_ROCE_V2,
+ SA_PATH_REC_TYPE_OPA
+};
+
+struct sa_path_rec_ib {
__be64 service_id;
- union ib_gid dgid;
- union ib_gid sgid;
__be16 dlid;
__be16 slid;
u8 raw_traffic;
+};
+
+struct sa_path_rec_roce {
+ u8 dmac[ETH_ALEN];
+ /* ignored in IB */
+ int ifindex;
+ /* ignored in IB */
+ struct net *net;
+
+};
+
+struct sa_path_rec_opa {
+ __be64 service_id;
+ __be32 dlid;
+ __be32 slid;
+ u8 raw_traffic;
+ u8 l2_8B;
+ u8 l2_10B;
+ u8 l2_9B;
+ u8 l2_16B;
+ u8 qos_type;
+ u8 qos_priority;
+};
+
+struct sa_path_rec {
+ union ib_gid dgid;
+ union ib_gid sgid;
/* reserved */
__be32 flow_label;
u8 hop_limit;
@@ -170,17 +205,109 @@ struct ib_sa_path_rec {
u8 packet_life_time_selector;
u8 packet_life_time;
u8 preference;
- u8 dmac[ETH_ALEN];
- /* ignored in IB */
- int ifindex;
- /* ignored in IB */
- struct net *net;
- enum ib_gid_type gid_type;
+ union {
+ struct sa_path_rec_ib ib;
+ struct sa_path_rec_roce roce;
+ struct sa_path_rec_opa opa;
+ };
+ enum sa_path_rec_type rec_type;
};
-static inline struct net_device *ib_get_ndev_from_path(struct ib_sa_path_rec *rec)
+static inline enum ib_gid_type
+ sa_conv_pathrec_to_gid_type(struct sa_path_rec *rec)
+{
+ switch (rec->rec_type) {
+ case SA_PATH_REC_TYPE_ROCE_V1:
+ return IB_GID_TYPE_ROCE;
+ case SA_PATH_REC_TYPE_ROCE_V2:
+ return IB_GID_TYPE_ROCE_UDP_ENCAP;
+ default:
+ return IB_GID_TYPE_IB;
+ }
+}
+
+static inline enum sa_path_rec_type
+ sa_conv_gid_to_pathrec_type(enum ib_gid_type type)
+{
+ switch (type) {
+ case IB_GID_TYPE_ROCE:
+ return SA_PATH_REC_TYPE_ROCE_V1;
+ case IB_GID_TYPE_ROCE_UDP_ENCAP:
+ return SA_PATH_REC_TYPE_ROCE_V2;
+ default:
+ return SA_PATH_REC_TYPE_IB;
+ }
+}
+
+static inline void path_conv_opa_to_ib(struct sa_path_rec *ib,
+ struct sa_path_rec *opa)
+{
+ if ((be32_to_cpu(opa->opa.dlid) >=
+ be16_to_cpu(IB_MULTICAST_LID_BASE)) ||
+ (be32_to_cpu(opa->opa.slid) >=
+ be16_to_cpu(IB_MULTICAST_LID_BASE))) {
+ /* Create OPA GID and zero out the LID */
+ ib->dgid.global.interface_id
+ = OPA_MAKE_ID(be32_to_cpu(opa->opa.dlid));
+ ib->dgid.global.subnet_prefix
+ = opa->dgid.global.subnet_prefix;
+ ib->sgid.global.interface_id
+ = OPA_MAKE_ID(be32_to_cpu(opa->opa.slid));
+ ib->dgid.global.subnet_prefix
+ = opa->dgid.global.subnet_prefix;
+ ib->ib.dlid = 0;
+
+ ib->ib.slid = 0;
+ } else {
+ ib->ib.dlid = htons(ntohl(opa->opa.dlid));
+ ib->ib.slid = htons(ntohl(opa->opa.slid));
+ }
+ ib->ib.service_id = opa->opa.service_id;
+ ib->ib.raw_traffic = opa->opa.raw_traffic;
+}
+
+static inline void path_conv_ib_to_opa(struct sa_path_rec *opa,
+ struct sa_path_rec *ib)
{
- return rec->net ? dev_get_by_index(rec->net, rec->ifindex) : NULL;
+ __be32 slid, dlid;
+
+ if ((ib_is_opa_gid(&ib->sgid)) ||
+ (ib_is_opa_gid(&ib->dgid))) {
+ slid = htonl(opa_get_lid_from_gid(&ib->sgid));
+ dlid = htonl(opa_get_lid_from_gid(&ib->dgid));
+ } else {
+ slid = htonl(ntohs(ib->ib.slid));
+ dlid = htonl(ntohs(ib->ib.dlid));
+ }
+ opa->opa.slid = slid;
+ opa->opa.dlid = dlid;
+ opa->opa.service_id = ib->ib.service_id;
+ opa->opa.raw_traffic = ib->ib.raw_traffic;
+}
+
+/* Convert from OPA to IB path record */
+static inline void sa_convert_path_opa_to_ib(struct sa_path_rec *dest,
+ struct sa_path_rec *src)
+{
+ if (src->rec_type != SA_PATH_REC_TYPE_OPA)
+ return;
+
+ *dest = *src;
+ dest->rec_type = SA_PATH_REC_TYPE_IB;
+ path_conv_opa_to_ib(dest, src);
+}
+
+/* Convert from IB to OPA path record */
+static inline void sa_convert_path_ib_to_opa(struct sa_path_rec *dest,
+ struct sa_path_rec *src)
+{
+ if (src->rec_type != SA_PATH_REC_TYPE_IB)
+ return;
+
+ /* Do a structure copy and overwrite the relevant fields */
+ *dest = *src;
+ dest->rec_type = SA_PATH_REC_TYPE_OPA;
+ path_conv_ib_to_opa(dest, src);
}
#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
@@ -322,11 +449,11 @@ void ib_sa_cancel_query(int id, struct ib_sa_query *query);
int ib_sa_path_rec_get(struct ib_sa_client *client,
struct ib_device *device, u8 port_num,
- struct ib_sa_path_rec *rec,
+ struct sa_path_rec *rec,
ib_sa_comp_mask comp_mask,
int timeout_ms, gfp_t gfp_mask,
void (*callback)(int status,
- struct ib_sa_path_rec *resp,
+ struct sa_path_rec *resp,
void *context),
void *context,
struct ib_sa_query **query);
@@ -420,27 +547,27 @@ 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);
+ struct rdma_ah_attr *ah_attr);
/**
* ib_init_ah_from_path - Initialize address handle attributes based on an SA
* path record.
*/
int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
- struct ib_sa_path_rec *rec,
- struct ib_ah_attr *ah_attr);
+ struct sa_path_rec *rec,
+ struct rdma_ah_attr *ah_attr);
/**
* ib_sa_pack_path - Conert a path record from struct ib_sa_path_rec
* to IB MAD wire format.
*/
-void ib_sa_pack_path(struct ib_sa_path_rec *rec, void *attribute);
+void ib_sa_pack_path(struct sa_path_rec *rec, void *attribute);
/**
* ib_sa_unpack_path - Convert a path record from MAD format to struct
* ib_sa_path_rec.
*/
-void ib_sa_unpack_path(void *attribute, struct ib_sa_path_rec *rec);
+void ib_sa_unpack_path(void *attribute, struct sa_path_rec *rec);
/* Support GuidInfoRecord */
int ib_sa_guid_info_rec_query(struct ib_sa_client *client,
@@ -454,14 +581,137 @@ int ib_sa_guid_info_rec_query(struct ib_sa_client *client,
void *context,
struct ib_sa_query **sa_query);
-/* Support get SA ClassPortInfo */
-int ib_sa_classport_info_rec_query(struct ib_sa_client *client,
- struct ib_device *device, u8 port_num,
- int timeout_ms, gfp_t gfp_mask,
- void (*callback)(int status,
- struct ib_class_port_info *resp,
- void *context),
- void *context,
- struct ib_sa_query **sa_query);
+bool ib_sa_sendonly_fullmem_support(struct ib_sa_client *client,
+ struct ib_device *device,
+ u8 port_num);
+
+static inline bool sa_path_is_roce(struct sa_path_rec *rec)
+{
+ return ((rec->rec_type == SA_PATH_REC_TYPE_ROCE_V1) ||
+ (rec->rec_type == SA_PATH_REC_TYPE_ROCE_V2));
+}
+
+static inline void sa_path_set_service_id(struct sa_path_rec *rec,
+ __be64 service_id)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ rec->ib.service_id = service_id;
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ rec->opa.service_id = service_id;
+}
+
+static inline void sa_path_set_slid(struct sa_path_rec *rec, __be32 slid)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ rec->ib.slid = htons(ntohl(slid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ rec->opa.slid = slid;
+}
+
+static inline void sa_path_set_dlid(struct sa_path_rec *rec, __be32 dlid)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ rec->ib.dlid = htons(ntohl(dlid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ rec->opa.dlid = dlid;
+}
+
+static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec,
+ u8 raw_traffic)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ rec->ib.raw_traffic = raw_traffic;
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ rec->opa.raw_traffic = raw_traffic;
+}
+
+static inline __be64 sa_path_get_service_id(struct sa_path_rec *rec)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ return rec->ib.service_id;
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.service_id;
+ return 0;
+}
+
+static inline __be32 sa_path_get_slid(struct sa_path_rec *rec)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ return htonl(ntohs(rec->ib.slid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.slid;
+ return 0;
+}
+
+static inline __be32 sa_path_get_dlid(struct sa_path_rec *rec)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ return htonl(ntohs(rec->ib.dlid));
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.dlid;
+ return 0;
+}
+
+static inline u8 sa_path_get_raw_traffic(struct sa_path_rec *rec)
+{
+ if (rec->rec_type == SA_PATH_REC_TYPE_IB)
+ return rec->ib.raw_traffic;
+ else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
+ return rec->opa.raw_traffic;
+ return 0;
+}
+
+static inline void sa_path_set_dmac(struct sa_path_rec *rec, u8 *dmac)
+{
+ if (sa_path_is_roce(rec))
+ memcpy(rec->roce.dmac, dmac, ETH_ALEN);
+}
+
+static inline void sa_path_set_dmac_zero(struct sa_path_rec *rec)
+{
+ if (sa_path_is_roce(rec))
+ eth_zero_addr(rec->roce.dmac);
+}
+
+static inline void sa_path_set_ifindex(struct sa_path_rec *rec, int ifindex)
+{
+ if (sa_path_is_roce(rec))
+ rec->roce.ifindex = ifindex;
+}
+
+static inline void sa_path_set_ndev(struct sa_path_rec *rec, struct net *net)
+{
+ if (sa_path_is_roce(rec))
+ rec->roce.net = net;
+}
+
+static inline u8 *sa_path_get_dmac(struct sa_path_rec *rec)
+{
+ if (sa_path_is_roce(rec))
+ return rec->roce.dmac;
+ return NULL;
+}
+
+static inline int sa_path_get_ifindex(struct sa_path_rec *rec)
+{
+ if (sa_path_is_roce(rec))
+ return rec->roce.ifindex;
+ return 0;
+}
+
+static inline struct net *sa_path_get_ndev(struct sa_path_rec *rec)
+{
+ if (sa_path_is_roce(rec))
+ return rec->roce.net;
+ return NULL;
+}
+
+static inline struct net_device *ib_get_ndev_from_path(struct sa_path_rec *rec)
+{
+ return sa_path_get_ndev(rec) ?
+ dev_get_by_index(sa_path_get_ndev(rec),
+ sa_path_get_ifindex(rec))
+ : NULL;
+}
#endif /* IB_SA_H */
diff --git a/include/rdma/ib_umem.h b/include/rdma/ib_umem.h
index 2d83cfd7e6ce..23159dd5be18 100644
--- a/include/rdma/ib_umem.h
+++ b/include/rdma/ib_umem.h
@@ -44,7 +44,7 @@ struct ib_umem {
struct ib_ucontext *context;
size_t length;
unsigned long address;
- int page_size;
+ int page_shift;
int writable;
int hugetlb;
struct work_struct work;
@@ -60,7 +60,7 @@ struct ib_umem {
/* Returns the offset of the umem start relative to the first page. */
static inline int ib_umem_offset(struct ib_umem *umem)
{
- return umem->address & ((unsigned long)umem->page_size - 1);
+ return umem->address & (BIT(umem->page_shift) - 1);
}
/* Returns the first page of an ODP umem. */
@@ -72,12 +72,12 @@ static inline unsigned long ib_umem_start(struct ib_umem *umem)
/* Returns the address of the page after the last one of an ODP umem. */
static inline unsigned long ib_umem_end(struct ib_umem *umem)
{
- return PAGE_ALIGN(umem->address + umem->length);
+ return ALIGN(umem->address + umem->length, BIT(umem->page_shift));
}
static inline size_t ib_umem_num_pages(struct ib_umem *umem)
{
- return (ib_umem_end(umem) - ib_umem_start(umem)) >> PAGE_SHIFT;
+ return (ib_umem_end(umem) - ib_umem_start(umem)) >> umem->page_shift;
}
#ifdef CONFIG_INFINIBAND_USER_MEM
diff --git a/include/rdma/ib_umem_odp.h b/include/rdma/ib_umem_odp.h
index 542cd8b3414c..fb67554aabd6 100644
--- a/include/rdma/ib_umem_odp.h
+++ b/include/rdma/ib_umem_odp.h
@@ -84,7 +84,8 @@ struct ib_umem_odp {
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
-int ib_umem_odp_get(struct ib_ucontext *context, struct ib_umem *umem);
+int ib_umem_odp_get(struct ib_ucontext *context, struct ib_umem *umem,
+ int access);
struct ib_umem *ib_alloc_odp_umem(struct ib_ucontext *context,
unsigned long addr,
size_t size);
@@ -154,7 +155,8 @@ static inline int ib_umem_mmu_notifier_retry(struct ib_umem *item,
#else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
static inline int ib_umem_odp_get(struct ib_ucontext *context,
- struct ib_umem *umem)
+ struct ib_umem *umem,
+ int access)
{
return -EINVAL;
}
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 99e4423eb2b8..f0cb4906478a 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -55,6 +55,7 @@
#include <net/ip.h>
#include <linux/string.h>
#include <linux/slab.h>
+#include <linux/netdevice.h>
#include <linux/if_link.h>
#include <linux/atomic.h>
@@ -224,6 +225,7 @@ enum ib_device_cap_flags {
IB_DEVICE_VIRTUAL_FUNCTION = (1ULL << 33),
/* Deprecated. Please use IB_RAW_PACKET_CAP_SCATTER_FCS. */
IB_DEVICE_RAW_SCATTER_FCS = (1ULL << 34),
+ IB_DEVICE_RDMA_NETDEV_OPA_VNIC = (1ULL << 35),
};
enum ib_signature_prot_cap {
@@ -431,7 +433,8 @@ enum ib_port_speed {
IB_SPEED_QDR = 4,
IB_SPEED_FDR10 = 8,
IB_SPEED_FDR = 16,
- IB_SPEED_EDR = 32
+ IB_SPEED_EDR = 32,
+ IB_SPEED_HDR = 64
};
/**
@@ -498,6 +501,7 @@ static inline struct rdma_hw_stats *rdma_alloc_hw_stats_struct(
/* Address format 0x000FF000 */
#define RDMA_CORE_CAP_AF_IB 0x00001000
#define RDMA_CORE_CAP_ETH_AH 0x00002000
+#define RDMA_CORE_CAP_OPA_AH 0x00004000
/* Protocol 0xFFF00000 */
#define RDMA_CORE_CAP_PROT_IB 0x00100000
@@ -836,15 +840,38 @@ struct ib_mr_status {
*/
__attribute_const__ enum ib_rate mult_to_ib_rate(int mult);
+enum rdma_ah_attr_type {
+ RDMA_AH_ATTR_TYPE_IB,
+ RDMA_AH_ATTR_TYPE_ROCE,
+ RDMA_AH_ATTR_TYPE_OPA,
+};
+
struct ib_ah_attr {
- struct ib_global_route grh;
u16 dlid;
- u8 sl;
u8 src_path_bits;
+};
+
+struct roce_ah_attr {
+ u8 dmac[ETH_ALEN];
+};
+
+struct opa_ah_attr {
+ u32 dlid;
+ u8 src_path_bits;
+};
+
+struct rdma_ah_attr {
+ struct ib_global_route grh;
+ u8 sl;
u8 static_rate;
- u8 ah_flags;
u8 port_num;
- u8 dmac[ETH_ALEN];
+ u8 ah_flags;
+ enum rdma_ah_attr_type type;
+ union {
+ struct ib_ah_attr ib;
+ struct roce_ah_attr roce;
+ struct opa_ah_attr opa;
+ };
};
enum ib_wc_status {
@@ -1163,8 +1190,8 @@ struct ib_qp_attr {
u32 dest_qp_num;
int qp_access_flags;
struct ib_qp_cap cap;
- struct ib_ah_attr ah_attr;
- struct ib_ah_attr alt_ah_attr;
+ struct rdma_ah_attr ah_attr;
+ struct rdma_ah_attr alt_ah_attr;
u16 pkey_index;
u16 alt_pkey_index;
u8 en_sqd_async_notify;
@@ -1336,6 +1363,7 @@ enum ib_access_flags {
IB_ACCESS_MW_BIND = (1<<4),
IB_ZERO_BASED = (1<<5),
IB_ACCESS_ON_DEMAND = (1<<6),
+ IB_ACCESS_HUGETLB = (1<<7),
};
/*
@@ -1357,6 +1385,17 @@ struct ib_fmr_attr {
struct ib_umem;
+enum rdma_remove_reason {
+ /* Userspace requested uobject deletion. Call could fail */
+ RDMA_REMOVE_DESTROY,
+ /* Context deletion. This call should delete the actual object itself */
+ RDMA_REMOVE_CLOSE,
+ /* Driver is being hot-unplugged. This call should delete the actual object itself */
+ RDMA_REMOVE_DRIVER_REMOVE,
+ /* Context is being cleaned-up, but commit was just completed */
+ RDMA_REMOVE_DURING_CLEANUP,
+};
+
struct ib_rdmacg_object {
#ifdef CONFIG_CGROUP_RDMA
struct rdma_cgroup *cg; /* owner rdma cgroup */
@@ -1365,19 +1404,16 @@ struct ib_rdmacg_object {
struct ib_ucontext {
struct ib_device *device;
- struct list_head pd_list;
- struct list_head mr_list;
- struct list_head mw_list;
- struct list_head cq_list;
- struct list_head qp_list;
- struct list_head srq_list;
- struct list_head ah_list;
- struct list_head xrcd_list;
- struct list_head rule_list;
- struct list_head wq_list;
- struct list_head rwq_ind_tbl_list;
+ struct ib_uverbs_file *ufile;
int closing;
+ /* locking the uobjects_list */
+ struct mutex uobjects_lock;
+ struct list_head uobjects;
+ /* protects cleanup process from other actions */
+ struct rw_semaphore cleanup_rwsem;
+ enum rdma_remove_reason cleanup_reason;
+
struct pid *tgid;
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
struct rb_root umem_tree;
@@ -1407,9 +1443,16 @@ struct ib_uobject {
struct ib_rdmacg_object cg_obj; /* rdmacg object */
int id; /* index into kernel idr */
struct kref ref;
- struct rw_semaphore mutex; /* protects .live */
+ atomic_t usecnt; /* protects exclusive access */
struct rcu_head rcu; /* kfree_rcu() overhead */
- int live;
+
+ const struct uverbs_obj_type *type;
+};
+
+struct ib_uobject_file {
+ struct ib_uobject uobj;
+ /* ufile contains the lock between context release and file close */
+ struct ib_uverbs_file *ufile;
};
struct ib_udata {
@@ -1447,6 +1490,7 @@ struct ib_ah {
struct ib_device *device;
struct ib_pd *pd;
struct ib_uobject *uobject;
+ enum rdma_ah_attr_type type;
};
typedef void (*ib_comp_handler)(struct ib_cq *cq, void *cq_context);
@@ -1662,6 +1706,7 @@ enum ib_flow_spec_type {
IB_FLOW_SPEC_INNER = 0x100,
/* Actions */
IB_FLOW_SPEC_ACTION_TAG = 0x1000,
+ IB_FLOW_SPEC_ACTION_DROP = 0x1001,
};
#define IB_FLOW_SPEC_LAYER_MASK 0xF0
#define IB_FLOW_SPEC_SUPPORT_LAYERS 8
@@ -1790,6 +1835,11 @@ struct ib_flow_spec_action_tag {
u32 tag_id;
};
+struct ib_flow_spec_action_drop {
+ enum ib_flow_spec_type type;
+ u16 size;
+};
+
union ib_flow_spec {
struct {
u32 type;
@@ -1802,6 +1852,7 @@ union ib_flow_spec {
struct ib_flow_spec_ipv6 ipv6;
struct ib_flow_spec_tunnel tunnel;
struct ib_flow_spec_action_tag flow_tag;
+ struct ib_flow_spec_action_drop drop;
};
struct ib_flow_attr {
@@ -1862,6 +1913,34 @@ struct ib_port_immutable {
u32 max_mad_size;
};
+/* rdma netdev type - specifies protocol type */
+enum rdma_netdev_t {
+ RDMA_NETDEV_OPA_VNIC,
+ RDMA_NETDEV_IPOIB,
+};
+
+/**
+ * struct rdma_netdev - rdma netdev
+ * For cases where netstack interfacing is required.
+ */
+struct rdma_netdev {
+ void *clnt_priv;
+ struct ib_device *hca;
+ u8 port_num;
+
+ /* control functions */
+ void (*set_id)(struct net_device *netdev, int id);
+ /* send packet */
+ int (*send)(struct net_device *dev, struct sk_buff *skb,
+ struct ib_ah *address, u32 dqpn);
+ /* multicast */
+ int (*attach_mcast)(struct net_device *dev, struct ib_device *hca,
+ union ib_gid *gid, u16 mlid,
+ int set_qkey, u32 qkey);
+ int (*detach_mcast)(struct net_device *dev, struct ib_device *hca,
+ union ib_gid *gid, u16 mlid);
+};
+
struct ib_device {
/* Do not access @dma_device directly from ULP nor from HW drivers. */
struct device *dma_device;
@@ -1977,12 +2056,12 @@ struct ib_device {
struct ib_udata *udata);
int (*dealloc_pd)(struct ib_pd *pd);
struct ib_ah * (*create_ah)(struct ib_pd *pd,
- struct ib_ah_attr *ah_attr,
+ struct rdma_ah_attr *ah_attr,
struct ib_udata *udata);
int (*modify_ah)(struct ib_ah *ah,
- struct ib_ah_attr *ah_attr);
+ struct rdma_ah_attr *ah_attr);
int (*query_ah)(struct ib_ah *ah,
- struct ib_ah_attr *ah_attr);
+ struct rdma_ah_attr *ah_attr);
int (*destroy_ah)(struct ib_ah *ah);
struct ib_srq * (*create_srq)(struct ib_pd *pd,
struct ib_srq_init_attr *srq_init_attr,
@@ -2115,6 +2194,20 @@ struct ib_device {
struct ib_rwq_ind_table_init_attr *init_attr,
struct ib_udata *udata);
int (*destroy_rwq_ind_table)(struct ib_rwq_ind_table *wq_ind_table);
+ /**
+ * rdma netdev operations
+ *
+ * Driver implementing alloc_rdma_netdev must return -EOPNOTSUPP if it
+ * doesn't support the specified rdma netdev type.
+ */
+ struct net_device *(*alloc_rdma_netdev)(
+ struct ib_device *device,
+ u8 port_num,
+ enum rdma_netdev_t type,
+ const char *name,
+ unsigned char name_assign_type,
+ void (*setup)(struct net_device *));
+ void (*free_rdma_netdev)(struct net_device *netdev);
struct module *owner;
struct device dev;
@@ -2537,6 +2630,21 @@ static inline bool rdma_cap_eth_ah(const struct ib_device *device, u8 port_num)
}
/**
+ * rdma_cap_opa_ah - Check if the port of device supports
+ * OPA Address handles
+ * @device: Device to check
+ * @port_num: Port number to check
+ *
+ * Return: true if we are running on an OPA device which supports
+ * the extended OPA addressing.
+ */
+static inline bool rdma_cap_opa_ah(struct ib_device *device, u8 port_num)
+{
+ return (device->port_immutable[port_num].core_cap_flags &
+ RDMA_CORE_CAP_OPA_AH) == RDMA_CORE_CAP_OPA_AH;
+}
+
+/**
* rdma_max_mad_size - Return the max MAD size required by this RDMA Port.
*
* @device: Device
@@ -2636,14 +2744,14 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
void ib_dealloc_pd(struct ib_pd *pd);
/**
- * ib_create_ah - Creates an address handle for the given address vector.
+ * rdma_create_ah - Creates an address handle for the given address vector.
* @pd: The protection domain associated with the address handle.
* @ah_attr: The attributes of the address vector.
*
* The address handle is used to reference a local or global destination
* in all UD QP post sends.
*/
-struct ib_ah *ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
+struct ib_ah *rdma_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr);
/**
* ib_get_gids_from_rdma_hdr - Get sgid and dgid from GRH or IPv4 header
@@ -2676,7 +2784,7 @@ int ib_get_rdma_header_version(const union rdma_network_hdr *hdr);
*/
int ib_init_ah_from_wc(struct ib_device *device, u8 port_num,
const struct ib_wc *wc, const struct ib_grh *grh,
- struct ib_ah_attr *ah_attr);
+ struct rdma_ah_attr *ah_attr);
/**
* ib_create_ah_from_wc - Creates an address handle associated with the
@@ -2694,28 +2802,28 @@ struct ib_ah *ib_create_ah_from_wc(struct ib_pd *pd, const struct ib_wc *wc,
const struct ib_grh *grh, u8 port_num);
/**
- * ib_modify_ah - Modifies the address vector associated with an address
+ * rdma_modify_ah - Modifies the address vector associated with an address
* handle.
* @ah: The address handle to modify.
* @ah_attr: The new address vector attributes to associate with the
* address handle.
*/
-int ib_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
+int rdma_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
/**
- * ib_query_ah - Queries the address vector associated with an address
+ * rdma_query_ah - Queries the address vector associated with an address
* handle.
* @ah: The address handle to query.
* @ah_attr: The address vector attributes associated with the address
* handle.
*/
-int ib_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
+int rdma_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
/**
- * ib_destroy_ah - Destroys an address handle.
+ * rdma_destroy_ah - Destroys an address handle.
* @ah: The address handle to destroy.
*/
-int ib_destroy_ah(struct ib_ah *ah);
+int rdma_destroy_ah(struct ib_ah *ah);
/**
* ib_create_srq - Creates a SRQ associated with the specified protection
@@ -3380,5 +3488,156 @@ void ib_drain_sq(struct ib_qp *qp);
void ib_drain_qp(struct ib_qp *qp);
int ib_resolve_eth_dmac(struct ib_device *device,
- struct ib_ah_attr *ah_attr);
+ struct rdma_ah_attr *ah_attr);
+
+static inline u8 *rdma_ah_retrieve_dmac(struct rdma_ah_attr *attr)
+{
+ if (attr->type == RDMA_AH_ATTR_TYPE_ROCE)
+ return attr->roce.dmac;
+ return NULL;
+}
+
+static inline void rdma_ah_set_dlid(struct rdma_ah_attr *attr, u32 dlid)
+{
+ if (attr->type == RDMA_AH_ATTR_TYPE_IB)
+ attr->ib.dlid = (u16)dlid;
+ else if (attr->type == RDMA_AH_ATTR_TYPE_OPA)
+ attr->opa.dlid = dlid;
+}
+
+static inline u32 rdma_ah_get_dlid(const struct rdma_ah_attr *attr)
+{
+ if (attr->type == RDMA_AH_ATTR_TYPE_IB)
+ return attr->ib.dlid;
+ else if (attr->type == RDMA_AH_ATTR_TYPE_OPA)
+ return attr->opa.dlid;
+ return 0;
+}
+
+static inline void rdma_ah_set_sl(struct rdma_ah_attr *attr, u8 sl)
+{
+ attr->sl = sl;
+}
+
+static inline u8 rdma_ah_get_sl(const struct rdma_ah_attr *attr)
+{
+ return attr->sl;
+}
+
+static inline void rdma_ah_set_path_bits(struct rdma_ah_attr *attr,
+ u8 src_path_bits)
+{
+ if (attr->type == RDMA_AH_ATTR_TYPE_IB)
+ attr->ib.src_path_bits = src_path_bits;
+ else if (attr->type == RDMA_AH_ATTR_TYPE_OPA)
+ attr->opa.src_path_bits = src_path_bits;
+}
+
+static inline u8 rdma_ah_get_path_bits(const struct rdma_ah_attr *attr)
+{
+ if (attr->type == RDMA_AH_ATTR_TYPE_IB)
+ return attr->ib.src_path_bits;
+ else if (attr->type == RDMA_AH_ATTR_TYPE_OPA)
+ return attr->opa.src_path_bits;
+ return 0;
+}
+
+static inline void rdma_ah_set_port_num(struct rdma_ah_attr *attr, u8 port_num)
+{
+ attr->port_num = port_num;
+}
+
+static inline u8 rdma_ah_get_port_num(const struct rdma_ah_attr *attr)
+{
+ return attr->port_num;
+}
+
+static inline void rdma_ah_set_static_rate(struct rdma_ah_attr *attr,
+ u8 static_rate)
+{
+ attr->static_rate = static_rate;
+}
+
+static inline u8 rdma_ah_get_static_rate(const struct rdma_ah_attr *attr)
+{
+ return attr->static_rate;
+}
+
+static inline void rdma_ah_set_ah_flags(struct rdma_ah_attr *attr,
+ enum ib_ah_flags flag)
+{
+ attr->ah_flags = flag;
+}
+
+static inline enum ib_ah_flags
+ rdma_ah_get_ah_flags(const struct rdma_ah_attr *attr)
+{
+ return attr->ah_flags;
+}
+
+static inline const struct ib_global_route
+ *rdma_ah_read_grh(const struct rdma_ah_attr *attr)
+{
+ return &attr->grh;
+}
+
+/*To retrieve and modify the grh */
+static inline struct ib_global_route
+ *rdma_ah_retrieve_grh(struct rdma_ah_attr *attr)
+{
+ return &attr->grh;
+}
+
+static inline void rdma_ah_set_dgid_raw(struct rdma_ah_attr *attr, void *dgid)
+{
+ struct ib_global_route *grh = rdma_ah_retrieve_grh(attr);
+
+ memcpy(grh->dgid.raw, dgid, sizeof(grh->dgid));
+}
+
+static inline void rdma_ah_set_subnet_prefix(struct rdma_ah_attr *attr,
+ __be64 prefix)
+{
+ struct ib_global_route *grh = rdma_ah_retrieve_grh(attr);
+
+ grh->dgid.global.subnet_prefix = prefix;
+}
+
+static inline void rdma_ah_set_interface_id(struct rdma_ah_attr *attr,
+ __be64 if_id)
+{
+ struct ib_global_route *grh = rdma_ah_retrieve_grh(attr);
+
+ grh->dgid.global.interface_id = if_id;
+}
+
+static inline void rdma_ah_set_grh(struct rdma_ah_attr *attr,
+ union ib_gid *dgid, u32 flow_label,
+ u8 sgid_index, u8 hop_limit,
+ u8 traffic_class)
+{
+ struct ib_global_route *grh = rdma_ah_retrieve_grh(attr);
+
+ attr->ah_flags = IB_AH_GRH;
+ if (dgid)
+ grh->dgid = *dgid;
+ grh->flow_label = flow_label;
+ grh->sgid_index = sgid_index;
+ grh->hop_limit = hop_limit;
+ grh->traffic_class = traffic_class;
+}
+
+/*Get AH type */
+static inline enum rdma_ah_attr_type rdma_ah_find_type(struct ib_device *dev,
+ u32 port_num)
+{
+ if ((rdma_protocol_roce(dev, port_num)) ||
+ (rdma_protocol_iwarp(dev, port_num)))
+ return RDMA_AH_ATTR_TYPE_ROCE;
+ else if ((rdma_protocol_ib(dev, port_num)) &&
+ (rdma_cap_opa_ah(dev, port_num)))
+ return RDMA_AH_ATTR_TYPE_OPA;
+ else
+ return RDMA_AH_ATTR_TYPE_IB;
+}
#endif /* IB_VERBS_H */
diff --git a/include/rdma/opa_addr.h b/include/rdma/opa_addr.h
new file mode 100644
index 000000000000..eace28f1555d
--- /dev/null
+++ b/include/rdma/opa_addr.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright(c) 2017 Intel Corporation.
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * BSD LICENSE
+ *
+ * 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.
+ * - Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef OPA_ADDR_H
+#define OPA_ADDR_H
+
+#define OPA_SPECIAL_OUI (0x00066AULL)
+#define OPA_MAKE_ID(x) (cpu_to_be64(OPA_SPECIAL_OUI << 40 | (x)))
+
+/**
+ * ib_is_opa_gid: Returns true if the top 24 bits of the gid
+ * contains the OPA_STL_OUI identifier. This identifies that
+ * the provided gid is a special purpose GID meant to carry
+ * extended LID information.
+ *
+ * @gid: The Global identifier
+ */
+static inline bool ib_is_opa_gid(union ib_gid *gid)
+{
+ return ((be64_to_cpu(gid->global.interface_id) >> 40) ==
+ OPA_SPECIAL_OUI);
+}
+
+/**
+ * opa_get_lid_from_gid: Returns the last 32 bits of the gid.
+ * OPA devices use one of the gids in the gid table to also
+ * store the lid.
+ *
+ * @gid: The Global identifier
+ */
+static inline u32 opa_get_lid_from_gid(union ib_gid *gid)
+{
+ return be64_to_cpu(gid->global.interface_id) & 0xFFFFFFFF;
+}
+#endif /* OPA_ADDR_H */
diff --git a/include/rdma/opa_port_info.h b/include/rdma/opa_port_info.h
index 9303e0e4f508..b4f0ac02f283 100644
--- a/include/rdma/opa_port_info.h
+++ b/include/rdma/opa_port_info.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014 Intel Corporation. All rights reserved.
+ * Copyright (c) 2014-2017 Intel Corporation. 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
@@ -127,6 +127,7 @@
#define OPA_LINK_WIDTH_3X 0x0004
#define OPA_LINK_WIDTH_4X 0x0008
+#define OPA_CAP_MASK3_IsEthOnFabricSupported (1 << 13)
#define OPA_CAP_MASK3_IsSnoopSupported (1 << 7)
#define OPA_CAP_MASK3_IsAsyncSC2VLSupported (1 << 6)
#define OPA_CAP_MASK3_IsAddrRangeConfigSupported (1 << 5)
diff --git a/include/rdma/opa_vnic.h b/include/rdma/opa_vnic.h
new file mode 100644
index 000000000000..39d6890616a6
--- /dev/null
+++ b/include/rdma/opa_vnic.h
@@ -0,0 +1,141 @@
+#ifndef _OPA_VNIC_H
+#define _OPA_VNIC_H
+/*
+ * Copyright(c) 2017 Intel Corporation.
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * BSD LICENSE
+ *
+ * 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.
+ * - Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/*
+ * This file contains Intel Omni-Path (OPA) Virtual Network Interface
+ * Controller (VNIC) specific declarations.
+ */
+
+#include <rdma/ib_verbs.h>
+
+/* VNIC uses 16B header format */
+#define OPA_VNIC_L2_TYPE 0x2
+
+/* 16 header bytes + 2 reserved bytes */
+#define OPA_VNIC_L2_HDR_LEN (16 + 2)
+
+#define OPA_VNIC_L4_HDR_LEN 2
+
+#define OPA_VNIC_HDR_LEN (OPA_VNIC_L2_HDR_LEN + \
+ OPA_VNIC_L4_HDR_LEN)
+
+#define OPA_VNIC_L4_ETHR 0x78
+
+#define OPA_VNIC_ICRC_LEN 4
+#define OPA_VNIC_TAIL_LEN 1
+#define OPA_VNIC_ICRC_TAIL_LEN (OPA_VNIC_ICRC_LEN + OPA_VNIC_TAIL_LEN)
+
+#define OPA_VNIC_SKB_MDATA_LEN 4
+#define OPA_VNIC_SKB_MDATA_ENCAP_ERR 0x1
+
+/* opa vnic rdma netdev's private data structure */
+struct opa_vnic_rdma_netdev {
+ struct rdma_netdev rn; /* keep this first */
+ /* followed by device private data */
+ char *dev_priv[0];
+};
+
+static inline void *opa_vnic_priv(const struct net_device *dev)
+{
+ struct rdma_netdev *rn = netdev_priv(dev);
+
+ return rn->clnt_priv;
+}
+
+static inline void *opa_vnic_dev_priv(const struct net_device *dev)
+{
+ struct opa_vnic_rdma_netdev *oparn = netdev_priv(dev);
+
+ return oparn->dev_priv;
+}
+
+/* opa_vnic skb meta data structrue */
+struct opa_vnic_skb_mdata {
+ u8 vl;
+ u8 entropy;
+ u8 flags;
+ u8 rsvd;
+} __packed;
+
+/* OPA VNIC group statistics */
+struct opa_vnic_grp_stats {
+ u64 unicast;
+ u64 mcastbcast;
+ u64 untagged;
+ u64 vlan;
+ u64 s_64;
+ u64 s_65_127;
+ u64 s_128_255;
+ u64 s_256_511;
+ u64 s_512_1023;
+ u64 s_1024_1518;
+ u64 s_1519_max;
+};
+
+struct opa_vnic_stats {
+ /* standard netdev statistics */
+ struct rtnl_link_stats64 netstats;
+
+ /* OPA VNIC statistics */
+ struct opa_vnic_grp_stats tx_grp;
+ struct opa_vnic_grp_stats rx_grp;
+ u64 tx_dlid_zero;
+ u64 tx_drop_state;
+ u64 rx_drop_state;
+ u64 rx_runt;
+ u64 rx_oversize;
+};
+
+static inline bool rdma_cap_opa_vnic(struct ib_device *device)
+{
+ return !!(device->attrs.device_cap_flags &
+ IB_DEVICE_RDMA_NETDEV_OPA_VNIC);
+}
+
+#endif /* _OPA_VNIC_H */
diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h
index d3968b561f86..3d2eed3c4e75 100644
--- a/include/rdma/rdma_cm.h
+++ b/include/rdma/rdma_cm.h
@@ -85,7 +85,7 @@ struct rdma_addr {
struct rdma_route {
struct rdma_addr addr;
- struct ib_sa_path_rec *path_rec;
+ struct sa_path_rec *path_rec;
int num_paths;
};
@@ -106,7 +106,7 @@ struct rdma_conn_param {
struct rdma_ud_param {
const void *private_data;
u8 private_data_len;
- struct ib_ah_attr ah_attr;
+ struct rdma_ah_attr ah_attr;
u32 qp_num;
u32 qkey;
};
diff --git a/include/rdma/rdma_cm_ib.h b/include/rdma/rdma_cm_ib.h
index 2389c3b45404..6947a6ba2557 100644
--- a/include/rdma/rdma_cm_ib.h
+++ b/include/rdma/rdma_cm_ib.h
@@ -46,7 +46,7 @@
* connection and replaces the call to rdma_resolve_route.
*/
int rdma_set_ib_paths(struct rdma_cm_id *id,
- struct ib_sa_path_rec *path_rec, int num_paths);
+ struct sa_path_rec *path_rec, int num_paths);
/* Global qkey for UDP QPs and multicast groups. */
#define RDMA_UDP_QKEY 0x01234567
diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h
index 8fc1ca7b6f23..4878aaf7bdff 100644
--- a/include/rdma/rdma_vt.h
+++ b/include/rdma/rdma_vt.h
@@ -170,7 +170,7 @@ struct rvt_pd {
/* Address handle */
struct rvt_ah {
struct ib_ah ibah;
- struct ib_ah_attr attr;
+ struct rdma_ah_attr attr;
atomic_t refcount;
u8 vl;
u8 log_pmtu;
@@ -311,10 +311,10 @@ struct rvt_driver_provided {
unsigned (*free_all_qps)(struct rvt_dev_info *rdi);
/* Driver specific AH validation */
- int (*check_ah)(struct ib_device *, struct ib_ah_attr *);
+ int (*check_ah)(struct ib_device *, struct rdma_ah_attr *);
/* Inform the driver a new AH has been created */
- void (*notify_new_ah)(struct ib_device *, struct ib_ah_attr *,
+ void (*notify_new_ah)(struct ib_device *, struct rdma_ah_attr *,
struct rvt_ah *);
/* Let the driver pick the next queue pair number*/
@@ -506,7 +506,7 @@ struct rvt_dev_info *rvt_alloc_device(size_t size, int nports);
void rvt_dealloc_device(struct rvt_dev_info *rdi);
int rvt_register_device(struct rvt_dev_info *rvd);
void rvt_unregister_device(struct rvt_dev_info *rvd);
-int rvt_check_ah(struct ib_device *ibdev, struct ib_ah_attr *ah_attr);
+int rvt_check_ah(struct ib_device *ibdev, struct rdma_ah_attr *ah_attr);
int rvt_init_port(struct rvt_dev_info *rdi, struct rvt_ibport *port,
int port_index, u16 *pkey_table);
int rvt_fast_reg_mr(struct rvt_qp *qp, struct ib_mr *ibmr, u32 key,
@@ -516,6 +516,7 @@ int rvt_rkey_ok(struct rvt_qp *qp, struct rvt_sge *sge,
u32 len, u64 vaddr, u32 rkey, int acc);
int rvt_lkey_ok(struct rvt_lkey_table *rkt, struct rvt_pd *pd,
struct rvt_sge *isge, struct ib_sge *sge, int acc);
-struct rvt_mcast *rvt_mcast_find(struct rvt_ibport *ibp, union ib_gid *mgid);
+struct rvt_mcast *rvt_mcast_find(struct rvt_ibport *ibp, union ib_gid *mgid,
+ u16 lid);
#endif /* DEF_RDMA_VT_H */
diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h
index f3816396c76a..1d8141a88d3c 100644
--- a/include/rdma/rdmavt_qp.h
+++ b/include/rdma/rdmavt_qp.h
@@ -2,7 +2,7 @@
#define DEF_RDMAVT_INCQP_H
/*
- * Copyright(c) 2016 Intel Corporation.
+ * Copyright(c) 2016, 2017 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
@@ -269,8 +269,8 @@ struct rvt_qp {
struct ib_qp ibqp;
void *priv; /* Driver private data */
/* read mostly fields above and below */
- struct ib_ah_attr remote_ah_attr;
- struct ib_ah_attr alt_ah_attr;
+ struct rdma_ah_attr remote_ah_attr;
+ struct rdma_ah_attr alt_ah_attr;
struct rvt_qp __rcu *next; /* link list for QPN hash table */
struct rvt_swqe *s_wq; /* send work queue */
struct rvt_mmap_info *ip;
@@ -435,9 +435,14 @@ struct rvt_mcast_qp {
struct rvt_qp *qp;
};
+struct rvt_mcast_addr {
+ union ib_gid mgid;
+ u16 lid;
+};
+
struct rvt_mcast {
struct rb_node rb_node;
- union ib_gid mgid;
+ struct rvt_mcast_addr mcast_addr;
struct list_head qp_list;
wait_queue_head_t wait;
atomic_t refcount;
@@ -526,7 +531,6 @@ static inline void rvt_qp_wqe_reserve(
struct rvt_qp *qp,
struct rvt_swqe *wqe)
{
- wqe->wr.send_flags |= RVT_SEND_RESERVE_USED;
atomic_inc(&qp->s_reserved_used);
}
@@ -550,7 +554,6 @@ static inline void rvt_qp_wqe_unreserve(
struct rvt_swqe *wqe)
{
if (unlikely(wqe->wr.send_flags & RVT_SEND_RESERVE_USED)) {
- wqe->wr.send_flags &= ~RVT_SEND_RESERVE_USED;
atomic_dec(&qp->s_reserved_used);
/* insure no compiler re-order up to s_last change */
smp_mb__after_atomic();
@@ -574,6 +577,7 @@ extern const enum ib_wc_opcode ib_rvt_wc_opcode[];
static inline void rvt_qp_swqe_complete(
struct rvt_qp *qp,
struct rvt_swqe *wqe,
+ enum ib_wc_opcode opcode,
enum ib_wc_status status)
{
if (unlikely(wqe->wr.send_flags & RVT_SEND_RESERVE_USED))
@@ -586,7 +590,7 @@ static inline void rvt_qp_swqe_complete(
memset(&wc, 0, sizeof(wc));
wc.wr_id = wqe->wr.wr_id;
wc.status = status;
- wc.opcode = ib_rvt_wc_opcode[wqe->wr.opcode];
+ wc.opcode = opcode;
wc.qp = &qp->ibqp;
wc.byte_len = wqe->length;
rvt_cq_enter(ibcq_to_rvtcq(qp->ibqp.send_cq), &wc,
diff --git a/include/rdma/uverbs_std_types.h b/include/rdma/uverbs_std_types.h
new file mode 100644
index 000000000000..7771ce966952
--- /dev/null
+++ b/include/rdma/uverbs_std_types.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2017, Mellanox Technologies inc. 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 _UVERBS_STD_TYPES__
+#define _UVERBS_STD_TYPES__
+
+#include <rdma/uverbs_types.h>
+
+extern const struct uverbs_obj_fd_type uverbs_type_attrs_comp_channel;
+extern const struct uverbs_obj_idr_type uverbs_type_attrs_cq;
+extern const struct uverbs_obj_idr_type uverbs_type_attrs_qp;
+extern const struct uverbs_obj_idr_type uverbs_type_attrs_rwq_ind_table;
+extern const struct uverbs_obj_idr_type uverbs_type_attrs_wq;
+extern const struct uverbs_obj_idr_type uverbs_type_attrs_srq;
+extern const struct uverbs_obj_idr_type uverbs_type_attrs_ah;
+extern const struct uverbs_obj_idr_type uverbs_type_attrs_flow;
+extern const struct uverbs_obj_idr_type uverbs_type_attrs_mr;
+extern const struct uverbs_obj_idr_type uverbs_type_attrs_mw;
+extern const struct uverbs_obj_idr_type uverbs_type_attrs_pd;
+extern const struct uverbs_obj_idr_type uverbs_type_attrs_xrcd;
+
+static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type,
+ bool write,
+ struct ib_ucontext *ucontext,
+ int id)
+{
+ return rdma_lookup_get_uobject(type, ucontext, id, write);
+}
+
+#define uobj_get_type(_type) uverbs_type_attrs_##_type.type
+
+#define uobj_get_read(_type, _id, _ucontext) \
+ __uobj_get(&(_type), false, _ucontext, _id)
+
+#define uobj_get_obj_read(_type, _id, _ucontext) \
+({ \
+ struct ib_uobject *uobj = \
+ __uobj_get(&uobj_get_type(_type), \
+ false, _ucontext, _id); \
+ \
+ (struct ib_##_type *)(IS_ERR(uobj) ? NULL : uobj->object); \
+})
+
+#define uobj_get_write(_type, _id, _ucontext) \
+ __uobj_get(&(_type), true, _ucontext, _id)
+
+static inline void uobj_put_read(struct ib_uobject *uobj)
+{
+ rdma_lookup_put_uobject(uobj, false);
+}
+
+#define uobj_put_obj_read(_obj) \
+ uobj_put_read((_obj)->uobject)
+
+static inline void uobj_put_write(struct ib_uobject *uobj)
+{
+ rdma_lookup_put_uobject(uobj, true);
+}
+
+static inline int __must_check uobj_remove_commit(struct ib_uobject *uobj)
+{
+ return rdma_remove_commit_uobject(uobj);
+}
+
+static inline void uobj_alloc_commit(struct ib_uobject *uobj)
+{
+ rdma_alloc_commit_uobject(uobj);
+}
+
+static inline void uobj_alloc_abort(struct ib_uobject *uobj)
+{
+ rdma_alloc_abort_uobject(uobj);
+}
+
+static inline struct ib_uobject *__uobj_alloc(const struct uverbs_obj_type *type,
+ struct ib_ucontext *ucontext)
+{
+ return rdma_alloc_begin_uobject(type, ucontext);
+}
+
+#define uobj_alloc(_type, ucontext) \
+ __uobj_alloc(&(_type), ucontext)
+
+#endif
+
diff --git a/include/rdma/uverbs_types.h b/include/rdma/uverbs_types.h
new file mode 100644
index 000000000000..351ea185df44
--- /dev/null
+++ b/include/rdma/uverbs_types.h
@@ -0,0 +1,172 @@
+/*
+ * Copyright (c) 2017, Mellanox Technologies inc. 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 _UVERBS_TYPES_
+#define _UVERBS_TYPES_
+
+#include <linux/kernel.h>
+#include <rdma/ib_verbs.h>
+
+struct uverbs_obj_type;
+
+struct uverbs_obj_type_class {
+ /*
+ * Get an ib_uobject that corresponds to the given id from ucontext,
+ * These functions could create or destroy objects if required.
+ * The action will be finalized only when commit, abort or put fops are
+ * called.
+ * The flow of the different actions is:
+ * [alloc]: Starts with alloc_begin. The handlers logic is than
+ * executed. If the handler is successful, alloc_commit
+ * is called and the object is inserted to the repository.
+ * Once alloc_commit completes the object is visible to
+ * other threads and userspace.
+ e Otherwise, alloc_abort is called and the object is
+ * destroyed.
+ * [lookup]: Starts with lookup_get which fetches and locks the
+ * object. After the handler finished using the object, it
+ * needs to call lookup_put to unlock it. The exclusive
+ * flag indicates if the object is locked for exclusive
+ * access.
+ * [remove]: Starts with lookup_get with exclusive flag set. This
+ * locks the object for exclusive access. If the handler
+ * code completed successfully, remove_commit is called
+ * and the ib_uobject is removed from the context's
+ * uobjects repository and put. The object itself is
+ * destroyed as well. Once remove succeeds new krefs to
+ * the object cannot be acquired by other threads or
+ * userspace and the hardware driver is removed from the
+ * object. Other krefs on the object may still exist.
+ * If the handler code failed, lookup_put should be
+ * called. This callback is used when the context
+ * is destroyed as well (process termination,
+ * reset flow).
+ */
+ struct ib_uobject *(*alloc_begin)(const struct uverbs_obj_type *type,
+ struct ib_ucontext *ucontext);
+ void (*alloc_commit)(struct ib_uobject *uobj);
+ void (*alloc_abort)(struct ib_uobject *uobj);
+
+ struct ib_uobject *(*lookup_get)(const struct uverbs_obj_type *type,
+ struct ib_ucontext *ucontext, int id,
+ bool exclusive);
+ void (*lookup_put)(struct ib_uobject *uobj, bool exclusive);
+ /*
+ * Must be called with the exclusive lock held. If successful uobj is
+ * invalid on return. On failure uobject is left completely
+ * unchanged
+ */
+ int __must_check (*remove_commit)(struct ib_uobject *uobj,
+ enum rdma_remove_reason why);
+ u8 needs_kfree_rcu;
+};
+
+struct uverbs_obj_type {
+ const struct uverbs_obj_type_class * const type_class;
+ size_t obj_size;
+ unsigned int destroy_order;
+};
+
+/*
+ * Objects type classes which support a detach state (object is still alive but
+ * it's not attached to any context need to make sure:
+ * (a) no call through to a driver after a detach is called
+ * (b) detach isn't called concurrently with context_cleanup
+ */
+
+struct uverbs_obj_idr_type {
+ /*
+ * In idr based objects, uverbs_obj_type_class points to a generic
+ * idr operations. In order to specialize the underlying types (e.g. CQ,
+ * QPs, etc.), we add destroy_object specific callbacks.
+ */
+ struct uverbs_obj_type type;
+
+ /* Free driver resources from the uobject, make the driver uncallable,
+ * and move the uobject to the detached state. If the object was
+ * destroyed by the user's request, a failure should leave the uobject
+ * completely unchanged.
+ */
+ int __must_check (*destroy_object)(struct ib_uobject *uobj,
+ enum rdma_remove_reason why);
+};
+
+struct ib_uobject *rdma_lookup_get_uobject(const struct uverbs_obj_type *type,
+ struct ib_ucontext *ucontext,
+ int id, bool exclusive);
+void rdma_lookup_put_uobject(struct ib_uobject *uobj, bool exclusive);
+struct ib_uobject *rdma_alloc_begin_uobject(const struct uverbs_obj_type *type,
+ struct ib_ucontext *ucontext);
+void rdma_alloc_abort_uobject(struct ib_uobject *uobj);
+int __must_check rdma_remove_commit_uobject(struct ib_uobject *uobj);
+int rdma_alloc_commit_uobject(struct ib_uobject *uobj);
+
+struct uverbs_obj_fd_type {
+ /*
+ * In fd based objects, uverbs_obj_type_ops points to generic
+ * fd operations. In order to specialize the underlying types (e.g.
+ * completion_channel), we use fops, name and flags for fd creation.
+ * context_closed is called when the context is closed either when
+ * the driver is removed or the process terminated.
+ */
+ struct uverbs_obj_type type;
+ int (*context_closed)(struct ib_uobject_file *uobj_file,
+ enum rdma_remove_reason why);
+ const struct file_operations *fops;
+ const char *name;
+ int flags;
+};
+
+extern const struct uverbs_obj_type_class uverbs_idr_class;
+extern const struct uverbs_obj_type_class uverbs_fd_class;
+
+#define UVERBS_BUILD_BUG_ON(cond) (sizeof(char[1 - 2 * !!(cond)]) - \
+ sizeof(char))
+#define UVERBS_TYPE_ALLOC_FD(_size, _order) \
+ { \
+ .destroy_order = _order, \
+ .type_class = &uverbs_fd_class, \
+ .obj_size = (_size) + \
+ UVERBS_BUILD_BUG_ON((_size) < \
+ sizeof(struct ib_uobject_file)),\
+ }
+#define UVERBS_TYPE_ALLOC_IDR_SZ(_size, _order) \
+ { \
+ .destroy_order = _order, \
+ .type_class = &uverbs_idr_class, \
+ .obj_size = (_size) + \
+ UVERBS_BUILD_BUG_ON((_size) < \
+ sizeof(struct ib_uobject)), \
+ }
+#define UVERBS_TYPE_ALLOC_IDR(_order) \
+ UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uobject), _order)
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-20 12:31:01 +0000