Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h
index e79229a..ac5a943 100644
--- a/include/rdma/rdma_vt.h
+++ b/include/rdma/rdma_vt.h
@@ -2,7 +2,7 @@
#define DEF_RDMA_VT_H
/*
- * Copyright(c) 2016 - 2018 Intel Corporation.
+ * Copyright(c) 2016 - 2019 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.
@@ -59,7 +59,6 @@
#include <rdma/ib_verbs.h>
#include <rdma/ib_mad.h>
#include <rdma/rdmavt_mr.h>
-#include <rdma/rdmavt_qp.h>
#define RVT_MAX_PKEY_VALUES 16
@@ -72,6 +71,8 @@
struct list_head list;
};
+struct rvt_qp;
+struct rvt_qpn_table;
struct rvt_ibport {
struct rvt_qp __rcu *qp[2];
struct ib_mad_agent *send_agent; /* agent for SMI (traps) */
@@ -115,6 +116,7 @@
u64 n_unaligned;
u64 n_rc_dupreq;
u64 n_rc_seqnak;
+ u64 n_rc_crwaits;
u16 pkey_violations;
u16 qkey_violations;
u16 mkey_violations;
@@ -149,6 +151,10 @@
#define RVT_CQN_MAX 16 /* maximum length of cq name */
+#define RVT_SGE_COPY_MEMCPY 0
+#define RVT_SGE_COPY_CACHELESS 1
+#define RVT_SGE_COPY_ADAPTIVE 2
+
/*
* Things that are driver specific, module parameters in hfi1 and qib
*/
@@ -161,6 +167,9 @@
*/
unsigned int lkey_table_size;
unsigned int qp_table_size;
+ unsigned int sge_copy_mode;
+ unsigned int wss_threshold;
+ unsigned int wss_clean_period;
int qpn_start;
int qpn_inc;
int qpn_res_start;
@@ -175,9 +184,15 @@
u32 max_mad_size;
u8 qos_shift;
u8 max_rdma_atomic;
+ u8 extra_rdma_atomic;
u8 reserved_operations;
};
+/* User context */
+struct rvt_ucontext {
+ struct ib_ucontext ibucontext;
+};
+
/* Protection domain */
struct rvt_pd {
struct ib_pd ibpd;
@@ -188,11 +203,37 @@
struct rvt_ah {
struct ib_ah ibah;
struct rdma_ah_attr attr;
- atomic_t refcount;
u8 vl;
u8 log_pmtu;
};
+/*
+ * This structure is used by rvt_mmap() to validate an offset
+ * when an mmap() request is made. The vm_area_struct then uses
+ * this as its vm_private_data.
+ */
+struct rvt_mmap_info {
+ struct list_head pending_mmaps;
+ struct ib_ucontext *context;
+ void *obj;
+ __u64 offset;
+ struct kref ref;
+ u32 size;
+};
+
+/* memory working set size */
+struct rvt_wss {
+ unsigned long *entries;
+ atomic_t total_count;
+ atomic_t clean_counter;
+ atomic_t clean_entry;
+
+ int threshold;
+ int num_entries;
+ long pages_mask;
+ unsigned int clean_period;
+};
+
struct rvt_dev_info;
struct rvt_swqe;
struct rvt_driver_provided {
@@ -211,11 +252,18 @@
* version requires the s_lock not to be held. The other assumes the
* s_lock is held.
*/
- void (*schedule_send)(struct rvt_qp *qp);
- void (*schedule_send_no_lock)(struct rvt_qp *qp);
+ bool (*schedule_send)(struct rvt_qp *qp);
+ bool (*schedule_send_no_lock)(struct rvt_qp *qp);
- /* Driver specific work request checking */
- int (*check_send_wqe)(struct rvt_qp *qp, struct rvt_swqe *wqe);
+ /*
+ * Driver specific work request setup and checking.
+ * This function is allowed to perform any setup, checks, or
+ * adjustments required to the SWQE in order to be usable by
+ * underlying protocols. This includes private data structure
+ * allocations.
+ */
+ int (*setup_wqe)(struct rvt_qp *qp, struct rvt_swqe *wqe,
+ bool *call_send);
/*
* Sometimes rdmavt needs to kick the driver's send progress. That is
@@ -223,9 +271,6 @@
*/
void (*do_send)(struct rvt_qp *qp);
- /* Passed to ib core registration. Callback to create syfs files */
- int (*port_callback)(struct ib_device *, u8, struct kobject *);
-
/*
* Returns a pointer to the undelying hardware's PCI device. This is
* used to display information as to what hardware is being referenced
@@ -242,6 +287,13 @@
void * (*qp_priv_alloc)(struct rvt_dev_info *rdi, struct rvt_qp *qp);
/*
+ * Init a struture allocated with qp_priv_alloc(). This should be
+ * called after all qp fields have been initialized in rdmavt.
+ */
+ int (*qp_priv_init)(struct rvt_dev_info *rdi, struct rvt_qp *qp,
+ struct ib_qp_init_attr *init_attr);
+
+ /*
* Free the driver's private qp structure.
*/
void (*qp_priv_free)(struct rvt_dev_info *rdi, struct rvt_qp *qp);
@@ -371,6 +423,9 @@
/* post send table */
const struct rvt_operation_params *post_parms;
+ /* opcode translation table */
+ const enum ib_wc_opcode *wc_opcode;
+
/* Driver specific helper functions */
struct rvt_driver_provided driver_f;
@@ -411,6 +466,8 @@
u32 n_mcast_grps_allocated; /* number of mcast groups allocated */
spinlock_t n_mcast_grps_lock;
+ /* Memory Working Set Size */
+ struct rvt_wss *wss;
};
/**
@@ -423,7 +480,14 @@
const char *fmt, const char *name,
const int unit)
{
- snprintf(rdi->ibdev.name, sizeof(rdi->ibdev.name), fmt, name, unit);
+ /*
+ * FIXME: rvt and its users want to touch the ibdev before
+ * registration and have things like the name work. We don't have the
+ * infrastructure in the core to support this directly today, hack it
+ * to work by setting the name manually here.
+ */
+ dev_set_name(&rdi->ibdev.dev, fmt, name, unit);
+ strlcpy(rdi->ibdev.name, dev_name(&rdi->ibdev.dev), IB_DEVICE_NAME_MAX);
}
/**
@@ -434,7 +498,7 @@
*/
static inline const char *rvt_get_ibdev_name(const struct rvt_dev_info *rdi)
{
- return rdi->ibdev.name;
+ return dev_name(&rdi->ibdev.dev);
}
static inline struct rvt_pd *ibpd_to_rvtpd(struct ib_pd *ibpd)
@@ -452,16 +516,6 @@
return container_of(ibdev, struct rvt_dev_info, ibdev);
}
-static inline struct rvt_srq *ibsrq_to_rvtsrq(struct ib_srq *ibsrq)
-{
- return container_of(ibsrq, struct rvt_srq, ibsrq);
-}
-
-static inline struct rvt_qp *ibqp_to_rvtqp(struct ib_qp *ibqp)
-{
- return container_of(ibqp, struct rvt_qp, ibqp);
-}
-
static inline unsigned rvt_get_npkeys(struct rvt_dev_info *rdi)
{
/*
@@ -476,7 +530,14 @@
*/
static inline unsigned int rvt_max_atomic(struct rvt_dev_info *rdi)
{
- return rdi->dparms.max_rdma_atomic + 1;
+ return rdi->dparms.max_rdma_atomic +
+ rdi->dparms.extra_rdma_atomic + 1;
+}
+
+static inline unsigned int rvt_size_atomic(struct rvt_dev_info *rdi)
+{
+ return rdi->dparms.max_rdma_atomic +
+ rdi->dparms.extra_rdma_atomic;
}
/*
@@ -492,54 +553,9 @@
return rdi->ports[port_index]->pkey_table[index];
}
-/**
- * rvt_lookup_qpn - return the QP with the given QPN
- * @ibp: the ibport
- * @qpn: the QP number to look up
- *
- * The caller must hold the rcu_read_lock(), and keep the lock until
- * the returned qp is no longer in use.
- */
-/* TODO: Remove this and put in rdmavt/qp.h when no longer needed by drivers */
-static inline struct rvt_qp *rvt_lookup_qpn(struct rvt_dev_info *rdi,
- struct rvt_ibport *rvp,
- u32 qpn) __must_hold(RCU)
-{
- struct rvt_qp *qp = NULL;
-
- if (unlikely(qpn <= 1)) {
- qp = rcu_dereference(rvp->qp[qpn]);
- } else {
- u32 n = hash_32(qpn, rdi->qp_dev->qp_table_bits);
-
- for (qp = rcu_dereference(rdi->qp_dev->qp_table[n]); qp;
- qp = rcu_dereference(qp->next))
- if (qp->ibqp.qp_num == qpn)
- break;
- }
- return qp;
-}
-
-/**
- * rvt_mod_retry_timer - mod a retry timer
- * @qp - the QP
- * Modify a potentially already running retry timer
- */
-static inline void rvt_mod_retry_timer(struct rvt_qp *qp)
-{
- struct ib_qp *ibqp = &qp->ibqp;
- struct rvt_dev_info *rdi = ib_to_rvt(ibqp->device);
-
- lockdep_assert_held(&qp->s_lock);
- qp->s_flags |= RVT_S_TIMER;
- /* 4.096 usec. * (1 << qp->timeout) */
- mod_timer(&qp->s_timer, jiffies + qp->timeout_jiffies +
- rdi->busy_jiffies);
-}
-
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, u32 driver_id);
+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 rdma_ah_attr *ah_attr);
int rvt_init_port(struct rvt_dev_info *rdi, struct rvt_ibport *port,