struct ib_qp *qp;
int ret;
+ if (qp_init_attr->rwq_ind_tbl &&
+ (qp_init_attr->recv_cq ||
+ qp_init_attr->srq || qp_init_attr->cap.max_recv_wr ||
+ qp_init_attr->cap.max_recv_sge))
+ return ERR_PTR(-EINVAL);
+
/*
* If the callers is using the RDMA API calculate the resources
* needed for the RDMA READ/WRITE operations.
qp->real_qp = qp;
qp->uobject = NULL;
qp->qp_type = qp_init_attr->qp_type;
+ qp->rwq_ind_tbl = qp_init_attr->rwq_ind_tbl;
atomic_set(&qp->usecnt, 0);
qp->mrs_used = 0;
qp->srq = NULL;
} else {
qp->recv_cq = qp_init_attr->recv_cq;
- atomic_inc(&qp_init_attr->recv_cq->usecnt);
+ if (qp_init_attr->recv_cq)
+ atomic_inc(&qp_init_attr->recv_cq->usecnt);
qp->srq = qp_init_attr->srq;
if (qp->srq)
atomic_inc(&qp_init_attr->srq->usecnt);
qp->xrcd = NULL;
atomic_inc(&pd->usecnt);
- atomic_inc(&qp_init_attr->send_cq->usecnt);
+ if (qp_init_attr->send_cq)
+ atomic_inc(&qp_init_attr->send_cq->usecnt);
+ if (qp_init_attr->rwq_ind_tbl)
+ atomic_inc(&qp->rwq_ind_tbl->usecnt);
if (qp_init_attr->cap.max_rdma_ctxs) {
ret = rdma_rw_init_mrs(qp, qp_init_attr);
}
}
+ /*
+ * Note: all hw drivers guarantee that max_send_sge is lower than
+ * the device RDMA WRITE SGE limit but not all hw drivers ensure that
+ * max_send_sge <= max_sge_rd.
+ */
+ qp->max_write_sge = qp_init_attr->cap.max_send_sge;
+ qp->max_read_sge = min_t(u32, qp_init_attr->cap.max_send_sge,
+ device->attrs.max_sge_rd);
+
return qp;
}
EXPORT_SYMBOL(ib_create_qp);
struct ib_pd *pd;
struct ib_cq *scq, *rcq;
struct ib_srq *srq;
+ struct ib_rwq_ind_table *ind_tbl;
int ret;
WARN_ON_ONCE(qp->mrs_used > 0);
scq = qp->send_cq;
rcq = qp->recv_cq;
srq = qp->srq;
+ ind_tbl = qp->rwq_ind_tbl;
if (!qp->uobject)
rdma_rw_cleanup_mrs(qp);
atomic_dec(&rcq->usecnt);
if (srq)
atomic_dec(&srq->usecnt);
+ if (ind_tbl)
+ atomic_dec(&ind_tbl->usecnt);
}
return ret;
}
EXPORT_SYMBOL(ib_dealloc_xrcd);
+/**
+ * ib_create_wq - Creates a WQ associated with the specified protection
+ * domain.
+ * @pd: The protection domain associated with the WQ.
+ * @wq_init_attr: A list of initial attributes required to create the
+ * WQ. If WQ creation succeeds, then the attributes are updated to
+ * the actual capabilities of the created WQ.
+ *
+ * wq_init_attr->max_wr and wq_init_attr->max_sge determine
+ * the requested size of the WQ, and set to the actual values allocated
+ * on return.
+ * If ib_create_wq() succeeds, then max_wr and max_sge will always be
+ * at least as large as the requested values.
+ */
+struct ib_wq *ib_create_wq(struct ib_pd *pd,
+ struct ib_wq_init_attr *wq_attr)
+{
+ struct ib_wq *wq;
+
+ if (!pd->device->create_wq)
+ return ERR_PTR(-ENOSYS);
+
+ wq = pd->device->create_wq(pd, wq_attr, NULL);
+ if (!IS_ERR(wq)) {
+ wq->event_handler = wq_attr->event_handler;
+ wq->wq_context = wq_attr->wq_context;
+ wq->wq_type = wq_attr->wq_type;
+ wq->cq = wq_attr->cq;
+ wq->device = pd->device;
+ wq->pd = pd;
+ wq->uobject = NULL;
+ atomic_inc(&pd->usecnt);
+ atomic_inc(&wq_attr->cq->usecnt);
+ atomic_set(&wq->usecnt, 0);
+ }
+ return wq;
+}
+EXPORT_SYMBOL(ib_create_wq);
+
+/**
+ * ib_destroy_wq - Destroys the specified WQ.
+ * @wq: The WQ to destroy.
+ */
+int ib_destroy_wq(struct ib_wq *wq)
+{
+ int err;
+ struct ib_cq *cq = wq->cq;
+ struct ib_pd *pd = wq->pd;
+
+ if (atomic_read(&wq->usecnt))
+ return -EBUSY;
+
+ err = wq->device->destroy_wq(wq);
+ if (!err) {
+ atomic_dec(&pd->usecnt);
+ atomic_dec(&cq->usecnt);
+ }
+ return err;
+}
+EXPORT_SYMBOL(ib_destroy_wq);
+
+/**
+ * ib_modify_wq - Modifies the specified WQ.
+ * @wq: The WQ to modify.
+ * @wq_attr: On input, specifies the WQ attributes to modify.
+ * @wq_attr_mask: A bit-mask used to specify which attributes of the WQ
+ * are being modified.
+ * On output, the current values of selected WQ attributes are returned.
+ */
+int ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
+ u32 wq_attr_mask)
+{
+ int err;
+
+ if (!wq->device->modify_wq)
+ return -ENOSYS;
+
+ err = wq->device->modify_wq(wq, wq_attr, wq_attr_mask, NULL);
+ return err;
+}
+EXPORT_SYMBOL(ib_modify_wq);
+
+/*
+ * ib_create_rwq_ind_table - Creates a RQ Indirection Table.
+ * @device: The device on which to create the rwq indirection table.
+ * @ib_rwq_ind_table_init_attr: A list of initial attributes required to
+ * create the Indirection Table.
+ *
+ * Note: The life time of ib_rwq_ind_table_init_attr->ind_tbl is not less
+ * than the created ib_rwq_ind_table object and the caller is responsible
+ * for its memory allocation/free.
+ */
+struct ib_rwq_ind_table *ib_create_rwq_ind_table(struct ib_device *device,
+ struct ib_rwq_ind_table_init_attr *init_attr)
+{
+ struct ib_rwq_ind_table *rwq_ind_table;
+ int i;
+ u32 table_size;
+
+ if (!device->create_rwq_ind_table)
+ return ERR_PTR(-ENOSYS);
+
+ table_size = (1 << init_attr->log_ind_tbl_size);
+ rwq_ind_table = device->create_rwq_ind_table(device,
+ init_attr, NULL);
+ if (IS_ERR(rwq_ind_table))
+ return rwq_ind_table;
+
+ rwq_ind_table->ind_tbl = init_attr->ind_tbl;
+ rwq_ind_table->log_ind_tbl_size = init_attr->log_ind_tbl_size;
+ rwq_ind_table->device = device;
+ rwq_ind_table->uobject = NULL;
+ atomic_set(&rwq_ind_table->usecnt, 0);
+
+ for (i = 0; i < table_size; i++)
+ atomic_inc(&rwq_ind_table->ind_tbl[i]->usecnt);
+
+ return rwq_ind_table;
+}
+EXPORT_SYMBOL(ib_create_rwq_ind_table);
+
+/*
+ * ib_destroy_rwq_ind_table - Destroys the specified Indirection Table.
+ * @wq_ind_table: The Indirection Table to destroy.
+*/
+int ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *rwq_ind_table)
+{
+ int err, i;
+ u32 table_size = (1 << rwq_ind_table->log_ind_tbl_size);
+ struct ib_wq **ind_tbl = rwq_ind_table->ind_tbl;
+
+ if (atomic_read(&rwq_ind_table->usecnt))
+ return -EBUSY;
+
+ err = rwq_ind_table->device->destroy_rwq_ind_table(rwq_ind_table);
+ if (!err) {
+ for (i = 0; i < table_size; i++)
+ atomic_dec(&ind_tbl[i]->usecnt);
+ }
+
+ return err;
+}
+EXPORT_SYMBOL(ib_destroy_rwq_ind_table);
+
struct ib_flow *ib_create_flow(struct ib_qp *qp,
struct ib_flow_attr *flow_attr,
int domain)
config INFINIBAND_HFI1
tristate "Intel OPA Gen1 support"
- depends on X86_64 && INFINIBAND_RDMAVT
+ depends on X86_64 && INFINIBAND_RDMAVT && I2C
select MMU_NOTIFIER
select CRC32
- default m
+ select I2C_ALGOBIT
---help---
This is a low-level driver for Intel OPA Gen1 adapter.
config HFI1_DEBUG_SDMA_ORDER
static int hfi1_file_open(struct inode *inode, struct file *fp)
{
+ struct hfi1_filedata *fd;
struct hfi1_devdata *dd = container_of(inode->i_cdev,
struct hfi1_devdata,
user_cdev);
kobject_get(&dd->kobj);
/* The real work is performed later in assign_ctxt() */
- fp->private_data = kzalloc(sizeof(struct hfi1_filedata), GFP_KERNEL);
- if (fp->private_data) /* no cpu affinity by default */
- ((struct hfi1_filedata *)fp->private_data)->rec_cpu_num = -1;
- return fp->private_data ? 0 : -ENOMEM;
+
+ fd = kzalloc(sizeof(*fd), GFP_KERNEL);
+
+ if (fd) {
+ fd->rec_cpu_num = -1; /* no cpu affinity by default */
+ fd->mm = current->mm;
+ }
+
+ fp->private_data = fd;
+
+ return fd ? 0 : -ENOMEM;
}
static long hfi1_file_ioctl(struct file *fp, unsigned int cmd,
sizeof(struct hfi1_base_info));
break;
case HFI1_IOCTL_CREDIT_UPD:
- if (uctxt && uctxt->sc)
+ if (uctxt)
sc_return_credits(uctxt->sc);
break;
struct hfi1_filedata *fd = kiocb->ki_filp->private_data;
struct hfi1_user_sdma_pkt_q *pq = fd->pq;
struct hfi1_user_sdma_comp_q *cq = fd->cq;
- int ret = 0, done = 0, reqs = 0;
+ int done = 0, reqs = 0;
unsigned long dim = from->nr_segs;
- if (!cq || !pq) {
- ret = -EIO;
- goto done;
- }
+ if (!cq || !pq)
+ return -EIO;
- if (!iter_is_iovec(from) || !dim) {
- ret = -EINVAL;
- goto done;
- }
+ if (!iter_is_iovec(from) || !dim)
+ return -EINVAL;
hfi1_cdbg(SDMA, "SDMA request from %u:%u (%lu)",
fd->uctxt->ctxt, fd->subctxt, dim);
- if (atomic_read(&pq->n_reqs) == pq->n_max_reqs) {
- ret = -ENOSPC;
- goto done;
- }
+ if (atomic_read(&pq->n_reqs) == pq->n_max_reqs)
+ return -ENOSPC;
while (dim) {
+ int ret;
unsigned long count = 0;
ret = hfi1_user_sdma_process_request(
kiocb->ki_filp, (struct iovec *)(from->iov + done),
dim, &count);
- if (ret)
- goto done;
+ if (ret) {
+ reqs = ret;
+ break;
+ }
dim -= count;
done += count;
reqs++;
}
- done:
- return ret ? ret : reqs;
+
+ return reqs;
}
static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
hfi1_user_sdma_free_queues(fdata);
/* release the cpu */
- hfi1_put_proc_affinity(dd, fdata->rec_cpu_num);
+ hfi1_put_proc_affinity(fdata->rec_cpu_num);
/*
* Clear any left over, unhandled events so the next process that
if (--uctxt->cnt) {
uctxt->active_slaves &= ~(1 << fdata->subctxt);
- uctxt->subpid[fdata->subctxt] = 0;
mutex_unlock(&hfi1_mutex);
goto done;
}
write_kctxt_csr(dd, uctxt->sc->hw_context, SEND_CTXT_CHECK_ENABLE,
hfi1_pkt_default_send_ctxt_mask(dd, uctxt->sc->type));
sc_disable(uctxt->sc);
- uctxt->pid = 0;
spin_unlock_irqrestore(&dd->uctxt_lock, flags);
dd->rcd[uctxt->ctxt] = NULL;
ret = find_shared_ctxt(fp, uinfo);
if (ret < 0)
goto done_unlock;
- if (ret)
- fd->rec_cpu_num = hfi1_get_proc_affinity(
- fd->uctxt->dd, fd->uctxt->numa_id);
+ if (ret) {
+ fd->rec_cpu_num =
+ hfi1_get_proc_affinity(fd->uctxt->numa_id);
+ }
}
/*
}
fd->uctxt = uctxt;
fd->subctxt = uctxt->cnt++;
- uctxt->subpid[fd->subctxt] = current->pid;
uctxt->active_slaves |= 1 << fd->subctxt;
ret = 1;
goto done;
if (ctxt == dd->num_rcv_contexts)
return -EBUSY;
- fd->rec_cpu_num = hfi1_get_proc_affinity(dd, -1);
+ /*
+ * If we don't have a NUMA node requested, preference is towards
+ * device NUMA node.
+ */
+ fd->rec_cpu_num = hfi1_get_proc_affinity(dd->node);
if (fd->rec_cpu_num != -1)
numa = cpu_to_node(fd->rec_cpu_num);
else
return ret;
}
uctxt->userversion = uinfo->userversion;
- uctxt->pid = current->pid;
- uctxt->flags = HFI1_CAP_UGET(MASK);
+ uctxt->flags = hfi1_cap_mask; /* save current flag state */
init_waitqueue_head(&uctxt->wait);
strlcpy(uctxt->comm, current->comm, sizeof(uctxt->comm));
memcpy(uctxt->uuid, uinfo->uuid, sizeof(uctxt->uuid));
hfi1_set_ctxt_jkey(uctxt->dd, uctxt->ctxt, uctxt->jkey);
rcvctrl_ops = HFI1_RCVCTRL_CTXT_ENB;
- if (HFI1_CAP_KGET_MASK(uctxt->flags, HDRSUPP))
+ if (HFI1_CAP_UGET_MASK(uctxt->flags, HDRSUPP))
rcvctrl_ops |= HFI1_RCVCTRL_TIDFLOW_ENB;
/*
* Ignore the bit in the flags for now until proper
* support for multiple packet per rcv array entry is
* added.
*/
- if (!HFI1_CAP_KGET_MASK(uctxt->flags, MULTI_PKT_EGR))
+ if (!HFI1_CAP_UGET_MASK(uctxt->flags, MULTI_PKT_EGR))
rcvctrl_ops |= HFI1_RCVCTRL_ONE_PKT_EGR_ENB;
- if (HFI1_CAP_KGET_MASK(uctxt->flags, NODROP_EGR_FULL))
+ if (HFI1_CAP_UGET_MASK(uctxt->flags, NODROP_EGR_FULL))
rcvctrl_ops |= HFI1_RCVCTRL_NO_EGR_DROP_ENB;
- if (HFI1_CAP_KGET_MASK(uctxt->flags, NODROP_RHQ_FULL))
+ if (HFI1_CAP_UGET_MASK(uctxt->flags, NODROP_RHQ_FULL))
rcvctrl_ops |= HFI1_RCVCTRL_NO_RHQ_DROP_ENB;
/*
* The RcvCtxtCtrl.TailUpd bit has to be explicitly written.
* uses of the chip or ctxt. Therefore, add the rcvctrl op
* for both cases.
*/
- if (HFI1_CAP_KGET_MASK(uctxt->flags, DMA_RTAIL))
+ if (HFI1_CAP_UGET_MASK(uctxt->flags, DMA_RTAIL))
rcvctrl_ops |= HFI1_RCVCTRL_TAILUPD_ENB;
else
rcvctrl_ops |= HFI1_RCVCTRL_TAILUPD_DIS;
int ret = 0;
memset(&cinfo, 0, sizeof(cinfo));
- ret = hfi1_get_base_kinfo(uctxt, &cinfo);
- if (ret < 0)
- goto done;
+ cinfo.runtime_flags = (((uctxt->flags >> HFI1_CAP_MISC_SHIFT) &
+ HFI1_CAP_MISC_MASK) << HFI1_CAP_USER_SHIFT) |
+ HFI1_CAP_UGET_MASK(uctxt->flags, MASK) |
+ HFI1_CAP_KGET_MASK(uctxt->flags, K2U);
+ /* adjust flag if this fd is not able to cache */
+ if (!fd->handler)
+ cinfo.runtime_flags |= HFI1_CAP_TID_UNMAP; /* no caching */
+
cinfo.num_active = hfi1_count_active_units();
cinfo.unit = uctxt->dd->unit;
cinfo.ctxt = uctxt->ctxt;
trace_hfi1_ctxt_info(uctxt->dd, uctxt->ctxt, fd->subctxt, cinfo);
if (copy_to_user(ubase, &cinfo, sizeof(cinfo)))
ret = -EFAULT;
- done:
+
return ret;
}
#include <linux/cdev.h>
#include <linux/delay.h>
#include <linux/kthread.h>
+ #include <linux/i2c.h>
+ #include <linux/i2c-algo-bit.h>
#include <rdma/rdma_vt.h>
#include "chip_registers.h"
/* chip offset of PIO buffers for this ctxt */
u32 piobufs;
/* per-context configuration flags */
- u32 flags;
+ unsigned long flags;
/* per-context event flags for fileops/intr communication */
unsigned long event_flags;
/* WAIT_RCV that timed out, no interrupt */
u32 urgent;
/* saved total number of polled urgent packets for poll edge trigger */
u32 urgent_poll;
- /* pid of process using this ctxt */
- pid_t pid;
- pid_t subpid[HFI1_MAX_SHARED_CTXTS];
/* same size as task_struct .comm[], command that opened context */
char comm[TASK_COMM_LEN];
/* so file ops can get at unit */
u8 etype;
};
- static inline bool has_sc4_bit(struct hfi1_packet *p)
- {
- return !!rhf_dc_info(p->rhf);
- }
-
/*
* Private data for snoop/capture support.
*/
u8 triggers; /* temperature triggers */
};
+ struct hfi1_i2c_bus {
+ struct hfi1_devdata *controlling_dd; /* current controlling device */
+ struct i2c_adapter adapter; /* bus details */
+ struct i2c_algo_bit_data algo; /* bus algorithm details */
+ int num; /* bus number, 0 or 1 */
+ };
+
/* common data between shared ASIC HFIs */
struct hfi1_asic_data {
struct hfi1_devdata *dds[2]; /* back pointers */
struct mutex asic_resource_mutex;
+ struct hfi1_i2c_bus *i2c_bus0;
+ struct hfi1_i2c_bus *i2c_bus1;
};
/* device data struct now contains only "general per-device" info.
NUM_SEND_DMA_ENG_ERR_STATUS_COUNTERS];
/* Software counter that aggregates all cce_err_status errors */
u64 sw_cce_err_status_aggregate;
-
+ /* Software counter that aggregates all bypass packet rcv errors */
+ u64 sw_rcv_bypass_packet_errors;
/* receive interrupt functions */
rhf_rcv_function_ptr *rhf_rcv_function_map;
rhf_rcv_function_ptr normal_rhf_rcv_functions[8];
/* 8051 firmware version helper */
#define dc8051_ver(a, b) ((a) << 8 | (b))
+#define dc8051_ver_maj(a) ((a & 0xff00) >> 8)
+#define dc8051_ver_min(a) (a & 0x00ff)
/* f_put_tid types */
#define PT_EXPECTED 0
struct tid_rb_node;
struct mmu_rb_node;
+ struct mmu_rb_handler;
/* Private data for file operations */
struct hfi1_filedata {
/* for cpu affinity; -1 if none */
int rec_cpu_num;
u32 tid_n_pinned;
- struct rb_root tid_rb_root;
+ struct mmu_rb_handler *handler;
struct tid_rb_node **entry_to_rb;
spinlock_t tid_lock; /* protect tid_[limit,used] counters */
u32 tid_limit;
u32 invalid_tid_idx;
/* protect invalid_tids array and invalid_tid_idx */
spinlock_t invalid_lock;
+ struct mm_struct *mm;
};
extern struct list_head hfi1_dev_list;
int handle_receive_interrupt_dma_rtail(struct hfi1_ctxtdata *, int);
void set_all_slowpath(struct hfi1_devdata *dd);
+ extern const struct pci_device_id hfi1_pci_tbl[];
+
/* receive packet handler dispositions */
#define RCV_PKT_OK 0x0 /* keep going */
#define RCV_PKT_LIMIT 0x1 /* stop, hit limit, start thread */
static inline int hdr2sc(struct hfi1_message_header *hdr, u64 rhf)
{
return ((be16_to_cpu(hdr->lrh[0]) >> 12) & 0xf) |
- ((!!(rhf & RHF_DC_INFO_SMASK)) << 4);
+ ((!!(rhf_dc_info(rhf))) << 4);
}
static inline u16 generate_jkey(kuid_t uid)
return &dd->pport[pidx].ibport_data;
}
+ void hfi1_process_ecn_slowpath(struct rvt_qp *qp, struct hfi1_packet *pkt,
+ bool do_cnp);
+ static inline bool process_ecn(struct rvt_qp *qp, struct hfi1_packet *pkt,
+ bool do_cnp)
+ {
+ struct hfi1_other_headers *ohdr = pkt->ohdr;
+ u32 bth1;
+
+ bth1 = be32_to_cpu(ohdr->bth[1]);
+ if (unlikely(bth1 & (HFI1_BECN_SMASK | HFI1_FECN_SMASK))) {
+ hfi1_process_ecn_slowpath(qp, pkt, do_cnp);
+ return bth1 & HFI1_FECN_SMASK;
+ }
+ return false;
+ }
+
/*
* Return the indexed PKEY from the port PKEY table.
*/
}
/*
- * Readers of cc_state must call get_cc_state() under rcu_read_lock().
- * Writers of cc_state must call get_cc_state() under cc_state_lock.
+ * Called by readers of cc_state only, must call under rcu_read_lock().
*/
static inline struct cc_state *get_cc_state(struct hfi1_pportdata *ppd)
{
return rcu_dereference(ppd->cc_state);
}
+ /*
+ * Called by writers of cc_state only, must call under cc_state_lock.
+ */
+ static inline
+ struct cc_state *get_cc_state_protected(struct hfi1_pportdata *ppd)
+ {
+ return rcu_dereference_protected(ppd->cc_state,
+ lockdep_is_held(&ppd->cc_state_lock));
+ }
+
/*
* values for dd->flags (_device_ related flags)
*/
*/
#define DEFAULT_RCVHDR_ENTSIZE 32
- bool hfi1_can_pin_pages(struct hfi1_devdata *, u32, u32);
- int hfi1_acquire_user_pages(unsigned long, size_t, bool, struct page **);
- void hfi1_release_user_pages(struct mm_struct *, struct page **, size_t, bool);
+ bool hfi1_can_pin_pages(struct hfi1_devdata *dd, struct mm_struct *mm,
+ u32 nlocked, u32 npages);
+ int hfi1_acquire_user_pages(struct mm_struct *mm, unsigned long vaddr,
+ size_t npages, bool writable, struct page **pages);
+ void hfi1_release_user_pages(struct mm_struct *mm, struct page **p,
+ size_t npages, bool dirty);
static inline void clear_rcvhdrtail(const struct hfi1_ctxtdata *rcd)
{
int hfi1_tempsense_rd(struct hfi1_devdata *dd, struct hfi1_temp *temp);
+ #define DD_DEV_ENTRY(dd) __string(dev, dev_name(&(dd)->pcidev->dev))
+ #define DD_DEV_ASSIGN(dd) __assign_str(dev, dev_name(&(dd)->pcidev->dev))
+
+ #define packettype_name(etype) { RHF_RCV_TYPE_##etype, #etype }
+ #define show_packettype(etype) \
+ __print_symbolic(etype, \
+ packettype_name(EXPECTED), \
+ packettype_name(EAGER), \
+ packettype_name(IB), \
+ packettype_name(ERROR), \
+ packettype_name(BYPASS))
+
+ #define ib_opcode_name(opcode) { IB_OPCODE_##opcode, #opcode }
+ #define show_ib_opcode(opcode) \
+ __print_symbolic(opcode, \
+ ib_opcode_name(RC_SEND_FIRST), \
+ ib_opcode_name(RC_SEND_MIDDLE), \
+ ib_opcode_name(RC_SEND_LAST), \
+ ib_opcode_name(RC_SEND_LAST_WITH_IMMEDIATE), \
+ ib_opcode_name(RC_SEND_ONLY), \
+ ib_opcode_name(RC_SEND_ONLY_WITH_IMMEDIATE), \
+ ib_opcode_name(RC_RDMA_WRITE_FIRST), \
+ ib_opcode_name(RC_RDMA_WRITE_MIDDLE), \
+ ib_opcode_name(RC_RDMA_WRITE_LAST), \
+ ib_opcode_name(RC_RDMA_WRITE_LAST_WITH_IMMEDIATE), \
+ ib_opcode_name(RC_RDMA_WRITE_ONLY), \
+ ib_opcode_name(RC_RDMA_WRITE_ONLY_WITH_IMMEDIATE), \
+ ib_opcode_name(RC_RDMA_READ_REQUEST), \
+ ib_opcode_name(RC_RDMA_READ_RESPONSE_FIRST), \
+ ib_opcode_name(RC_RDMA_READ_RESPONSE_MIDDLE), \
+ ib_opcode_name(RC_RDMA_READ_RESPONSE_LAST), \
+ ib_opcode_name(RC_RDMA_READ_RESPONSE_ONLY), \
+ ib_opcode_name(RC_ACKNOWLEDGE), \
+ ib_opcode_name(RC_ATOMIC_ACKNOWLEDGE), \
+ ib_opcode_name(RC_COMPARE_SWAP), \
+ ib_opcode_name(RC_FETCH_ADD), \
+ ib_opcode_name(UC_SEND_FIRST), \
+ ib_opcode_name(UC_SEND_MIDDLE), \
+ ib_opcode_name(UC_SEND_LAST), \
+ ib_opcode_name(UC_SEND_LAST_WITH_IMMEDIATE), \
+ ib_opcode_name(UC_SEND_ONLY), \
+ ib_opcode_name(UC_SEND_ONLY_WITH_IMMEDIATE), \
+ ib_opcode_name(UC_RDMA_WRITE_FIRST), \
+ ib_opcode_name(UC_RDMA_WRITE_MIDDLE), \
+ ib_opcode_name(UC_RDMA_WRITE_LAST), \
+ ib_opcode_name(UC_RDMA_WRITE_LAST_WITH_IMMEDIATE), \
+ ib_opcode_name(UC_RDMA_WRITE_ONLY), \
+ ib_opcode_name(UC_RDMA_WRITE_ONLY_WITH_IMMEDIATE), \
+ ib_opcode_name(UD_SEND_ONLY), \
+ ib_opcode_name(UD_SEND_ONLY_WITH_IMMEDIATE), \
+ ib_opcode_name(CNP))
#endif /* _HFI1_KERNEL_H */
[IB_WR_SEND_WITH_IMM] = IB_WC_SEND,
[IB_WR_RDMA_READ] = IB_WC_RDMA_READ,
[IB_WR_ATOMIC_CMP_AND_SWP] = IB_WC_COMP_SWAP,
- [IB_WR_ATOMIC_FETCH_AND_ADD] = IB_WC_FETCH_ADD
+ [IB_WR_ATOMIC_FETCH_AND_ADD] = IB_WC_FETCH_ADD,
+ [IB_WR_SEND_WITH_INV] = IB_WC_SEND,
+ [IB_WR_LOCAL_INV] = IB_WC_LOCAL_INV,
+ [IB_WR_REG_MR] = IB_WC_REG_MR
};
/*
[IB_OPCODE_RC_ATOMIC_ACKNOWLEDGE] = &hfi1_rc_rcv,
[IB_OPCODE_RC_COMPARE_SWAP] = &hfi1_rc_rcv,
[IB_OPCODE_RC_FETCH_ADD] = &hfi1_rc_rcv,
+ [IB_OPCODE_RC_SEND_LAST_WITH_INVALIDATE] = &hfi1_rc_rcv,
+ [IB_OPCODE_RC_SEND_ONLY_WITH_INVALIDATE] = &hfi1_rc_rcv,
/* UC */
[IB_OPCODE_UC_SEND_FIRST] = &hfi1_uc_rcv,
[IB_OPCODE_UC_SEND_MIDDLE] = &hfi1_uc_rcv,
/*
* Make sure the QP is ready and able to accept the given opcode.
*/
- static inline int qp_ok(int opcode, struct hfi1_packet *packet)
+ static inline opcode_handler qp_ok(int opcode, struct hfi1_packet *packet)
{
- struct hfi1_ibport *ibp;
-
if (!(ib_rvt_state_ops[packet->qp->state] & RVT_PROCESS_RECV_OK))
- goto dropit;
+ return NULL;
if (((opcode & RVT_OPCODE_QP_MASK) == packet->qp->allowed_ops) ||
(opcode == IB_OPCODE_CNP))
- return 1;
- dropit:
- ibp = &packet->rcd->ppd->ibport_data;
- ibp->rvp.n_pkt_drops++;
- return 0;
+ return opcode_handler_tbl[opcode];
+
+ return NULL;
}
/**
struct hfi1_pportdata *ppd = rcd->ppd;
struct hfi1_ibport *ibp = &ppd->ibport_data;
struct rvt_dev_info *rdi = &ppd->dd->verbs_dev.rdi;
+ opcode_handler packet_handler;
unsigned long flags;
u32 qp_num;
int lnh;
list_for_each_entry_rcu(p, &mcast->qp_list, list) {
packet->qp = p->qp;
spin_lock_irqsave(&packet->qp->r_lock, flags);
- if (likely((qp_ok(opcode, packet))))
- opcode_handler_tbl[opcode](packet);
+ packet_handler = qp_ok(opcode, packet);
+ if (likely(packet_handler))
+ packet_handler(packet);
+ else
+ ibp->rvp.n_pkt_drops++;
spin_unlock_irqrestore(&packet->qp->r_lock, flags);
}
/*
goto drop;
}
spin_lock_irqsave(&packet->qp->r_lock, flags);
- if (likely((qp_ok(opcode, packet))))
- opcode_handler_tbl[opcode](packet);
+ packet_handler = qp_ok(opcode, packet);
+ if (likely(packet_handler))
+ packet_handler(packet);
+ else
+ ibp->rvp.n_pkt_drops++;
spin_unlock_irqrestore(&packet->qp->r_lock, flags);
rcu_read_unlock();
}
struct rvt_sge_state *ss,
u32 length,
struct verbs_txreq *tx,
- struct ahg_ib_header *ahdr,
+ struct hfi1_ahg_info *ahg_info,
u64 pbc)
{
int ret = 0;
- struct hfi1_pio_header *phdr = &tx->phdr;
+ struct hfi1_sdma_header *phdr = &tx->phdr;
u16 hdrbytes = tx->hdr_dwords << 2;
- if (!ahdr->ahgcount) {
+ if (!ahg_info->ahgcount) {
ret = sdma_txinit_ahg(
&tx->txreq,
- ahdr->tx_flags,
+ ahg_info->tx_flags,
hdrbytes + length,
- ahdr->ahgidx,
+ ahg_info->ahgidx,
0,
NULL,
0,
} else {
ret = sdma_txinit_ahg(
&tx->txreq,
- ahdr->tx_flags,
+ ahg_info->tx_flags,
length,
- ahdr->ahgidx,
- ahdr->ahgcount,
- ahdr->ahgdesc,
+ ahg_info->ahgidx,
+ ahg_info->ahgcount,
+ ahg_info->ahgdesc,
hdrbytes,
verbs_sdma_complete);
if (ret)
u64 pbc)
{
struct hfi1_qp_priv *priv = qp->priv;
- struct ahg_ib_header *ahdr = priv->s_hdr;
+ struct hfi1_ahg_info *ahg_info = priv->s_ahg;
u32 hdrwords = qp->s_hdrwords;
struct rvt_sge_state *ss = qp->s_cur_sge;
u32 len = qp->s_cur_size;
plen);
}
tx->wqe = qp->s_wqe;
- ret = build_verbs_tx_desc(tx->sde, ss, len, tx, ahdr, pbc);
+ ret = build_verbs_tx_desc(tx->sde, ss, len, tx, ahg_info, pbc);
if (unlikely(ret))
goto bail_build;
}
static void hfi1_fill_device_attr(struct hfi1_devdata *dd)
{
struct rvt_dev_info *rdi = &dd->verbs_dev.rdi;
+ u16 ver = dd->dc8051_ver;
memset(&rdi->dparms.props, 0, sizeof(rdi->dparms.props));
+ rdi->dparms.props.fw_ver = ((u64)(dc8051_ver_maj(ver)) << 16) |
+ (u64)dc8051_ver_min(ver);
rdi->dparms.props.device_cap_flags = IB_DEVICE_BAD_PKEY_CNTR |
IB_DEVICE_BAD_QKEY_CNTR | IB_DEVICE_SHUTDOWN_PORT |
IB_DEVICE_SYS_IMAGE_GUID | IB_DEVICE_RC_RNR_NAK_GEN |
- IB_DEVICE_PORT_ACTIVE_EVENT | IB_DEVICE_SRQ_RESIZE;
+ IB_DEVICE_PORT_ACTIVE_EVENT | IB_DEVICE_SRQ_RESIZE |
+ IB_DEVICE_MEM_MGT_EXTENSIONS;
rdi->dparms.props.page_size_cap = PAGE_SIZE;
rdi->dparms.props.vendor_id = dd->oui1 << 16 | dd->oui2 << 8 | dd->oui3;
rdi->dparms.props.vendor_part_id = dd->pcidev->device;
rdi->dparms.props.hw_ver = dd->minrev;
rdi->dparms.props.sys_image_guid = ib_hfi1_sys_image_guid;
- rdi->dparms.props.max_mr_size = ~0ULL;
+ rdi->dparms.props.max_mr_size = U64_MAX;
+ rdi->dparms.props.max_fast_reg_page_list_len = UINT_MAX;
rdi->dparms.props.max_qp = hfi1_max_qps;
rdi->dparms.props.max_qp_wr = hfi1_max_qp_wrs;
rdi->dparms.props.max_sge = hfi1_max_sges;
RCU_INIT_POINTER(ibp->rvp.qp[1], NULL);
}
+static void hfi1_get_dev_fw_str(struct ib_device *ibdev, char *str,
+ size_t str_len)
+{
+ struct rvt_dev_info *rdi = ib_to_rvt(ibdev);
+ struct hfi1_ibdev *dev = dev_from_rdi(rdi);
+ u16 ver = dd_from_dev(dev)->dc8051_ver;
+
+ snprintf(str, str_len, "%u.%u", dc8051_ver_maj(ver),
+ dc8051_ver_min(ver));
+}
+
/**
* hfi1_register_ib_device - register our device with the infiniband core
* @dd: the device data structure
/* keep process mad in the driver */
ibdev->process_mad = hfi1_process_mad;
+ ibdev->get_dev_fw_str = hfi1_get_dev_fw_str;
strncpy(ibdev->node_desc, init_utsname()->nodename,
sizeof(ibdev->node_desc));
dd->verbs_dev.rdi.dparms.nports = dd->num_pports;
dd->verbs_dev.rdi.dparms.npkeys = hfi1_get_npkeys(dd);
+ /* post send table */
+ dd->verbs_dev.rdi.post_parms = hfi1_post_parms;
+
ppd = dd->pport;
for (i = 0; i < dd->num_pports; i++, ppd++)
rvt_init_port(&dd->verbs_dev.rdi,
struct rvt_qp *qp = packet->qp;
u32 lqpn, rqpn = 0;
u16 rlid = 0;
- u8 sl, sc5, sc4_bit, svc_type;
- bool sc4_set = has_sc4_bit(packet);
+ u8 sl, sc5, svc_type;
switch (packet->qp->ibqp.qp_type) {
case IB_QPT_UC:
return;
}
- sc4_bit = sc4_set << 4;
- sc5 = (be16_to_cpu(hdr->lrh[0]) >> 12) & 0xf;
- sc5 |= sc4_bit;
+ sc5 = hdr2sc((struct hfi1_message_header *)hdr, packet->rhf);
sl = ibp->sc_to_sl[sc5];
lqpn = qp->ibqp.qp_num;
IB_EVENT_QP_LAST_WQE_REACHED,
IB_EVENT_CLIENT_REREGISTER,
IB_EVENT_GID_CHANGE,
+ IB_EVENT_WQ_FATAL,
};
const char *__attribute_const__ ib_event_msg(enum ib_event_type event);
struct ib_cq *cq;
struct ib_qp *qp;
struct ib_srq *srq;
+ struct ib_wq *wq;
u8 port_num;
} element;
enum ib_event_type event;
* Only needed for special QP types, or when using the RW API.
*/
u8 port_num;
+ struct ib_rwq_ind_table *rwq_ind_tbl;
};
struct ib_qp_open_attr {
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;
int closing;
struct pid *tgid;
} ext;
};
+enum ib_wq_type {
+ IB_WQT_RQ
+};
+
+enum ib_wq_state {
+ IB_WQS_RESET,
+ IB_WQS_RDY,
+ IB_WQS_ERR
+};
+
+struct ib_wq {
+ struct ib_device *device;
+ struct ib_uobject *uobject;
+ void *wq_context;
+ void (*event_handler)(struct ib_event *, void *);
+ struct ib_pd *pd;
+ struct ib_cq *cq;
+ u32 wq_num;
+ enum ib_wq_state state;
+ enum ib_wq_type wq_type;
+ atomic_t usecnt;
+};
+
+struct ib_wq_init_attr {
+ void *wq_context;
+ enum ib_wq_type wq_type;
+ u32 max_wr;
+ u32 max_sge;
+ struct ib_cq *cq;
+ void (*event_handler)(struct ib_event *, void *);
+};
+
+enum ib_wq_attr_mask {
+ IB_WQ_STATE = 1 << 0,
+ IB_WQ_CUR_STATE = 1 << 1,
+};
+
+struct ib_wq_attr {
+ enum ib_wq_state wq_state;
+ enum ib_wq_state curr_wq_state;
+};
+
+struct ib_rwq_ind_table {
+ struct ib_device *device;
+ struct ib_uobject *uobject;
+ atomic_t usecnt;
+ u32 ind_tbl_num;
+ u32 log_ind_tbl_size;
+ struct ib_wq **ind_tbl;
+};
+
+struct ib_rwq_ind_table_init_attr {
+ u32 log_ind_tbl_size;
+ /* Each entry is a pointer to Receive Work Queue */
+ struct ib_wq **ind_tbl;
+};
+
+ /*
+ * @max_write_sge: Maximum SGE elements per RDMA WRITE request.
+ * @max_read_sge: Maximum SGE elements per RDMA READ request.
+ */
struct ib_qp {
struct ib_device *device;
struct ib_pd *pd;
void (*event_handler)(struct ib_event *, void *);
void *qp_context;
u32 qp_num;
+ u32 max_write_sge;
+ u32 max_read_sge;
enum ib_qp_type qp_type;
+ struct ib_rwq_ind_table *rwq_ind_tbl;
};
struct ib_mr {
IB_FLOW_SPEC_IB = 0x22,
/* L3 header*/
IB_FLOW_SPEC_IPV4 = 0x30,
+ IB_FLOW_SPEC_IPV6 = 0x31,
/* L4 headers*/
IB_FLOW_SPEC_TCP = 0x40,
IB_FLOW_SPEC_UDP = 0x41
struct ib_flow_ipv4_filter mask;
};
+struct ib_flow_ipv6_filter {
+ u8 src_ip[16];
+ u8 dst_ip[16];
+};
+
+struct ib_flow_spec_ipv6 {
+ enum ib_flow_spec_type type;
+ u16 size;
+ struct ib_flow_ipv6_filter val;
+ struct ib_flow_ipv6_filter mask;
+};
+
struct ib_flow_tcp_udp_filter {
__be16 dst_port;
__be16 src_port;
struct ib_flow_spec_ib ib;
struct ib_flow_spec_ipv4 ipv4;
struct ib_flow_spec_tcp_udp tcp_udp;
+ struct ib_flow_spec_ipv6 ipv6;
};
struct ib_flow_attr {
struct ifla_vf_stats *stats);
int (*set_vf_guid)(struct ib_device *device, int vf, u8 port, u64 guid,
int type);
-
+ struct ib_wq * (*create_wq)(struct ib_pd *pd,
+ struct ib_wq_init_attr *init_attr,
+ struct ib_udata *udata);
+ int (*destroy_wq)(struct ib_wq *wq);
+ int (*modify_wq)(struct ib_wq *wq,
+ struct ib_wq_attr *attr,
+ u32 wq_attr_mask,
+ struct ib_udata *udata);
+ struct ib_rwq_ind_table * (*create_rwq_ind_table)(struct ib_device *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);
struct ib_dma_mapping_ops *dma_ops;
struct module *owner;
* in fast paths.
*/
int (*get_port_immutable)(struct ib_device *, u8, struct ib_port_immutable *);
+ void (*get_dev_fw_str)(struct ib_device *, char *str, size_t str_len);
};
struct ib_client {
struct ib_device *ib_alloc_device(size_t size);
void ib_dealloc_device(struct ib_device *device);
+void ib_get_device_fw_str(struct ib_device *device, char *str, size_t str_len);
+
int ib_register_device(struct ib_device *device,
int (*port_callback)(struct ib_device *,
u8, struct kobject *));
static inline u64 ib_dma_map_single_attrs(struct ib_device *dev,
void *cpu_addr, size_t size,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long dma_attrs)
{
return dma_map_single_attrs(dev->dma_device, cpu_addr, size,
- direction, attrs);
+ direction, dma_attrs);
}
static inline void ib_dma_unmap_single_attrs(struct ib_device *dev,
u64 addr, size_t size,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long dma_attrs)
{
return dma_unmap_single_attrs(dev->dma_device, addr, size,
- direction, attrs);
+ direction, dma_attrs);
}
/**
static inline int ib_dma_map_sg_attrs(struct ib_device *dev,
struct scatterlist *sg, int nents,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long dma_attrs)
{
- return dma_map_sg_attrs(dev->dma_device, sg, nents, direction, attrs);
+ return dma_map_sg_attrs(dev->dma_device, sg, nents, direction,
+ dma_attrs);
}
static inline void ib_dma_unmap_sg_attrs(struct ib_device *dev,
struct scatterlist *sg, int nents,
enum dma_data_direction direction,
- struct dma_attrs *attrs)
+ unsigned long dma_attrs)
{
- dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction, attrs);
+ dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction, dma_attrs);
}
/**
* ib_sg_dma_address - Return the DMA address from a scatter/gather entry
struct net_device *ib_get_net_dev_by_params(struct ib_device *dev, u8 port,
u16 pkey, const union ib_gid *gid,
const struct sockaddr *addr);
+struct ib_wq *ib_create_wq(struct ib_pd *pd,
+ struct ib_wq_init_attr *init_attr);
+int ib_destroy_wq(struct ib_wq *wq);
+int ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *attr,
+ u32 wq_attr_mask);
+struct ib_rwq_ind_table *ib_create_rwq_ind_table(struct ib_device *device,
+ struct ib_rwq_ind_table_init_attr*
+ wq_ind_table_init_attr);
+int ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table);
int ib_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg, int sg_nents,
unsigned int *sg_offset, unsigned int page_size);
projects / deliverable / linux.git / commitdiff
