diff options
Diffstat (limited to 'drivers/infiniband')
34 files changed, 289 insertions, 461 deletions
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index af939796750d..d2bb5a9a303f 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -360,8 +360,7 @@ static int netevent_callback(struct notifier_block *self, unsigned long event, if (event == NETEVENT_NEIGH_UPDATE) { struct neighbour *neigh = ctx; - if (neigh->dev->type == ARPHRD_INFINIBAND && - (neigh->nud_state & NUD_VALID)) { + if (neigh->nud_state & NUD_VALID) { set_timeout(jiffies); } } diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 5ed141ebd1c8..13efd4170349 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -642,7 +642,8 @@ static void snoop_recv(struct ib_mad_qp_info *qp_info, spin_unlock_irqrestore(&qp_info->snoop_lock, flags); } -static void build_smp_wc(u64 wr_id, u16 slid, u16 pkey_index, u8 port_num, +static void build_smp_wc(struct ib_qp *qp, + u64 wr_id, u16 slid, u16 pkey_index, u8 port_num, struct ib_wc *wc) { memset(wc, 0, sizeof *wc); @@ -652,7 +653,7 @@ static void build_smp_wc(u64 wr_id, u16 slid, u16 pkey_index, u8 port_num, wc->pkey_index = pkey_index; wc->byte_len = sizeof(struct ib_mad) + sizeof(struct ib_grh); wc->src_qp = IB_QP0; - wc->qp_num = IB_QP0; + wc->qp = qp; wc->slid = slid; wc->sl = 0; wc->dlid_path_bits = 0; @@ -713,7 +714,8 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv, goto out; } - build_smp_wc(send_wr->wr_id, be16_to_cpu(smp->dr_slid), + build_smp_wc(mad_agent_priv->agent.qp, + send_wr->wr_id, be16_to_cpu(smp->dr_slid), send_wr->wr.ud.pkey_index, send_wr->wr.ud.port_num, &mad_wc); @@ -2355,7 +2357,8 @@ static void local_completions(struct work_struct *work) * Defined behavior is to complete response * before request */ - build_smp_wc((unsigned long) local->mad_send_wr, + build_smp_wc(recv_mad_agent->agent.qp, + (unsigned long) local->mad_send_wr, be16_to_cpu(IB_LID_PERMISSIVE), 0, recv_mad_agent->agent.port_num, &wc); diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c index f15220a0ee75..ee51d79a7ad5 100644 --- a/drivers/infiniband/core/ucm.c +++ b/drivers/infiniband/core/ucm.c @@ -1221,7 +1221,7 @@ static void ib_ucm_release_class_dev(struct class_device *class_dev) kfree(dev); } -static struct file_operations ucm_fops = { +static const struct file_operations ucm_fops = { .owner = THIS_MODULE, .open = ib_ucm_open, .release = ib_ucm_close, diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c index e2e8d329b443..6b81b98961c7 100644 --- a/drivers/infiniband/core/ucma.c +++ b/drivers/infiniband/core/ucma.c @@ -833,7 +833,7 @@ static int ucma_close(struct inode *inode, struct file *filp) return 0; } -static struct file_operations ucma_fops = { +static const struct file_operations ucma_fops = { .owner = THIS_MODULE, .open = ucma_open, .release = ucma_close, diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index 807fbd6b8414..c069ebeba8e3 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -771,7 +771,7 @@ static int ib_umad_close(struct inode *inode, struct file *filp) return 0; } -static struct file_operations umad_fops = { +static const struct file_operations umad_fops = { .owner = THIS_MODULE, .read = ib_umad_read, .write = ib_umad_write, @@ -846,7 +846,7 @@ static int ib_umad_sm_close(struct inode *inode, struct file *filp) return ret; } -static struct file_operations umad_sm_fops = { +static const struct file_operations umad_sm_fops = { .owner = THIS_MODULE, .open = ib_umad_sm_open, .release = ib_umad_sm_close diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 743247ec065e..df1efbc10882 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -933,7 +933,7 @@ ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file, resp->wc[i].vendor_err = wc[i].vendor_err; resp->wc[i].byte_len = wc[i].byte_len; resp->wc[i].imm_data = (__u32 __force) wc[i].imm_data; - resp->wc[i].qp_num = wc[i].qp_num; + resp->wc[i].qp_num = wc[i].qp->qp_num; resp->wc[i].src_qp = wc[i].src_qp; resp->wc[i].wc_flags = wc[i].wc_flags; resp->wc[i].pkey_index = wc[i].pkey_index; diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index a617ca7b6923..f8bc822a3cc3 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -375,7 +375,7 @@ static int ib_uverbs_event_close(struct inode *inode, struct file *filp) return 0; } -static struct file_operations uverbs_event_fops = { +static const struct file_operations uverbs_event_fops = { .owner = THIS_MODULE, .read = ib_uverbs_event_read, .poll = ib_uverbs_event_poll, @@ -679,14 +679,14 @@ static int ib_uverbs_close(struct inode *inode, struct file *filp) return 0; } -static struct file_operations uverbs_fops = { +static const struct file_operations uverbs_fops = { .owner = THIS_MODULE, .write = ib_uverbs_write, .open = ib_uverbs_open, .release = ib_uverbs_close }; -static struct file_operations uverbs_mmap_fops = { +static const struct file_operations uverbs_mmap_fops = { .owner = THIS_MODULE, .write = ib_uverbs_write, .mmap = ib_uverbs_mmap, diff --git a/drivers/infiniband/hw/amso1100/c2_cq.c b/drivers/infiniband/hw/amso1100/c2_cq.c index 05c9154d46f4..5175c99ee586 100644 --- a/drivers/infiniband/hw/amso1100/c2_cq.c +++ b/drivers/infiniband/hw/amso1100/c2_cq.c @@ -153,7 +153,7 @@ static inline int c2_poll_one(struct c2_dev *c2dev, entry->status = c2_cqe_status_to_openib(c2_wr_get_result(ce)); entry->wr_id = ce->hdr.context; - entry->qp_num = ce->handle; + entry->qp = &qp->ibqp; entry->wc_flags = 0; entry->slid = 0; entry->sl = 0; diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h index 1c722032319c..cf95ee474b0f 100644 --- a/drivers/infiniband/hw/ehca/ehca_classes.h +++ b/drivers/infiniband/hw/ehca/ehca_classes.h @@ -119,13 +119,14 @@ struct ehca_qp { struct ipz_qp_handle ipz_qp_handle; struct ehca_pfqp pf; struct ib_qp_init_attr init_attr; - u64 uspace_squeue; - u64 uspace_rqueue; - u64 uspace_fwh; struct ehca_cq *send_cq; struct ehca_cq *recv_cq; unsigned int sqerr_purgeflag; struct hlist_node list_entries; + /* mmap counter for resources mapped into user space */ + u32 mm_count_squeue; + u32 mm_count_rqueue; + u32 mm_count_galpa; }; /* must be power of 2 */ @@ -142,13 +143,14 @@ struct ehca_cq { struct ipz_cq_handle ipz_cq_handle; struct ehca_pfcq pf; spinlock_t cb_lock; - u64 uspace_queue; - u64 uspace_fwh; struct hlist_head qp_hashtab[QP_HASHTAB_LEN]; struct list_head entry; u32 nr_callbacks; spinlock_t task_lock; u32 ownpid; + /* mmap counter for resources mapped into user space */ + u32 mm_count_queue; + u32 mm_count_galpa; }; enum ehca_mr_flag { @@ -248,20 +250,6 @@ struct ehca_ucontext { struct ib_ucontext ib_ucontext; }; -struct ehca_module *ehca_module_new(void); - -int ehca_module_delete(struct ehca_module *me); - -int ehca_eq_ctor(struct ehca_eq *eq); - -int ehca_eq_dtor(struct ehca_eq *eq); - -struct ehca_shca *ehca_shca_new(void); - -int ehca_shca_delete(struct ehca_shca *me); - -struct ehca_sport *ehca_sport_new(struct ehca_shca *anchor); - int ehca_init_pd_cache(void); void ehca_cleanup_pd_cache(void); int ehca_init_cq_cache(void); @@ -283,7 +271,6 @@ extern int ehca_port_act_time; extern int ehca_use_hp_mr; struct ipzu_queue_resp { - u64 queue; /* points to first queue entry */ u32 qe_size; /* queue entry size */ u32 act_nr_of_sg; u32 queue_length; /* queue length allocated in bytes */ @@ -296,7 +283,6 @@ struct ehca_create_cq_resp { u32 cq_number; u32 token; struct ipzu_queue_resp ipz_queue; - struct h_galpas galpas; }; struct ehca_create_qp_resp { @@ -309,7 +295,6 @@ struct ehca_create_qp_resp { u32 dummy; /* padding for 8 byte alignment */ struct ipzu_queue_resp ipz_squeue; struct ipzu_queue_resp ipz_rqueue; - struct h_galpas galpas; }; struct ehca_alloc_cq_parms { diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c index 6074c897f51c..6ebfa27e4e16 100644 --- a/drivers/infiniband/hw/ehca/ehca_cq.c +++ b/drivers/infiniband/hw/ehca/ehca_cq.c @@ -134,14 +134,13 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, if (cqe >= 0xFFFFFFFF - 64 - additional_cqe) return ERR_PTR(-EINVAL); - my_cq = kmem_cache_alloc(cq_cache, GFP_KERNEL); + my_cq = kmem_cache_zalloc(cq_cache, GFP_KERNEL); if (!my_cq) { ehca_err(device, "Out of memory for ehca_cq struct device=%p", device); return ERR_PTR(-ENOMEM); } - memset(my_cq, 0, sizeof(struct ehca_cq)); memset(¶m, 0, sizeof(struct ehca_alloc_cq_parms)); spin_lock_init(&my_cq->spinlock); @@ -267,7 +266,6 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, if (context) { struct ipz_queue *ipz_queue = &my_cq->ipz_queue; struct ehca_create_cq_resp resp; - struct vm_area_struct *vma; memset(&resp, 0, sizeof(resp)); resp.cq_number = my_cq->cq_number; resp.token = my_cq->token; @@ -276,40 +274,14 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, resp.ipz_queue.queue_length = ipz_queue->queue_length; resp.ipz_queue.pagesize = ipz_queue->pagesize; resp.ipz_queue.toggle_state = ipz_queue->toggle_state; - ret = ehca_mmap_nopage(((u64)(my_cq->token) << 32) | 0x12000000, - ipz_queue->queue_length, - (void**)&resp.ipz_queue.queue, - &vma); - if (ret) { - ehca_err(device, "Could not mmap queue pages"); - cq = ERR_PTR(ret); - goto create_cq_exit4; - } - my_cq->uspace_queue = resp.ipz_queue.queue; - resp.galpas = my_cq->galpas; - ret = ehca_mmap_register(my_cq->galpas.user.fw_handle, - (void**)&resp.galpas.kernel.fw_handle, - &vma); - if (ret) { - ehca_err(device, "Could not mmap fw_handle"); - cq = ERR_PTR(ret); - goto create_cq_exit5; - } - my_cq->uspace_fwh = (u64)resp.galpas.kernel.fw_handle; if (ib_copy_to_udata(udata, &resp, sizeof(resp))) { ehca_err(device, "Copy to udata failed."); - goto create_cq_exit6; + goto create_cq_exit4; } } return cq; -create_cq_exit6: - ehca_munmap(my_cq->uspace_fwh, EHCA_PAGESIZE); - -create_cq_exit5: - ehca_munmap(my_cq->uspace_queue, my_cq->ipz_queue.queue_length); - create_cq_exit4: ipz_queue_dtor(&my_cq->ipz_queue); @@ -333,7 +305,6 @@ create_cq_exit1: int ehca_destroy_cq(struct ib_cq *cq) { u64 h_ret; - int ret; struct ehca_cq *my_cq = container_of(cq, struct ehca_cq, ib_cq); int cq_num = my_cq->cq_number; struct ib_device *device = cq->device; @@ -343,6 +314,20 @@ int ehca_destroy_cq(struct ib_cq *cq) u32 cur_pid = current->tgid; unsigned long flags; + if (cq->uobject) { + if (my_cq->mm_count_galpa || my_cq->mm_count_queue) { + ehca_err(device, "Resources still referenced in " + "user space cq_num=%x", my_cq->cq_number); + return -EINVAL; + } + if (my_cq->ownpid != cur_pid) { + ehca_err(device, "Invalid caller pid=%x ownpid=%x " + "cq_num=%x", + cur_pid, my_cq->ownpid, my_cq->cq_number); + return -EINVAL; + } + } + spin_lock_irqsave(&ehca_cq_idr_lock, flags); while (my_cq->nr_callbacks) { spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); @@ -353,25 +338,6 @@ int ehca_destroy_cq(struct ib_cq *cq) idr_remove(&ehca_cq_idr, my_cq->token); spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); - if (my_cq->uspace_queue && my_cq->ownpid != cur_pid) { - ehca_err(device, "Invalid caller pid=%x ownpid=%x", - cur_pid, my_cq->ownpid); - return -EINVAL; - } - - /* un-mmap if vma alloc */ - if (my_cq->uspace_queue ) { - ret = ehca_munmap(my_cq->uspace_queue, - my_cq->ipz_queue.queue_length); - if (ret) - ehca_err(device, "Could not munmap queue ehca_cq=%p " - "cq_num=%x", my_cq, cq_num); - ret = ehca_munmap(my_cq->uspace_fwh, EHCA_PAGESIZE); - if (ret) - ehca_err(device, "Could not munmap fwh ehca_cq=%p " - "cq_num=%x", my_cq, cq_num); - } - h_ret = hipz_h_destroy_cq(adapter_handle, my_cq, 0); if (h_ret == H_R_STATE) { /* cq in err: read err data and destroy it forcibly */ @@ -400,7 +366,7 @@ int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata) struct ehca_cq *my_cq = container_of(cq, struct ehca_cq, ib_cq); u32 cur_pid = current->tgid; - if (my_cq->uspace_queue && my_cq->ownpid != cur_pid) { + if (cq->uobject && my_cq->ownpid != cur_pid) { ehca_err(cq->device, "Invalid caller pid=%x ownpid=%x", cur_pid, my_cq->ownpid); return -EINVAL; diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h index cd7789f0d08e..95fd59fb4528 100644 --- a/drivers/infiniband/hw/ehca/ehca_iverbs.h +++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h @@ -171,14 +171,6 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); void ehca_poll_eqs(unsigned long data); -int ehca_mmap_nopage(u64 foffset,u64 length,void **mapped, - struct vm_area_struct **vma); - -int ehca_mmap_register(u64 physical,void **mapped, - struct vm_area_struct **vma); - -int ehca_munmap(unsigned long addr, size_t len); - #ifdef CONFIG_PPC_64K_PAGES void *ehca_alloc_fw_ctrlblock(gfp_t flags); void ehca_free_fw_ctrlblock(void *ptr); diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c index 6574fbbaead5..1155bcf48212 100644 --- a/drivers/infiniband/hw/ehca/ehca_main.c +++ b/drivers/infiniband/hw/ehca/ehca_main.c @@ -52,7 +52,7 @@ MODULE_LICENSE("Dual BSD/GPL"); MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>"); MODULE_DESCRIPTION("IBM eServer HCA InfiniBand Device Driver"); -MODULE_VERSION("SVNEHCA_0019"); +MODULE_VERSION("SVNEHCA_0020"); int ehca_open_aqp1 = 0; int ehca_debug_level = 0; @@ -288,7 +288,7 @@ int ehca_init_device(struct ehca_shca *shca) strlcpy(shca->ib_device.name, "ehca%d", IB_DEVICE_NAME_MAX); shca->ib_device.owner = THIS_MODULE; - shca->ib_device.uverbs_abi_ver = 5; + shca->ib_device.uverbs_abi_ver = 6; shca->ib_device.uverbs_cmd_mask = (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | @@ -790,7 +790,7 @@ int __init ehca_module_init(void) int ret; printk(KERN_INFO "eHCA Infiniband Device Driver " - "(Rel.: SVNEHCA_0019)\n"); + "(Rel.: SVNEHCA_0020)\n"); idr_init(&ehca_qp_idr); idr_init(&ehca_cq_idr); spin_lock_init(&ehca_qp_idr_lock); diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c index cfb362a1029c..d22ab563633f 100644 --- a/drivers/infiniband/hw/ehca/ehca_mrmw.c +++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c @@ -53,9 +53,8 @@ static struct ehca_mr *ehca_mr_new(void) { struct ehca_mr *me; - me = kmem_cache_alloc(mr_cache, GFP_KERNEL); + me = kmem_cache_zalloc(mr_cache, GFP_KERNEL); if (me) { - memset(me, 0, sizeof(struct ehca_mr)); spin_lock_init(&me->mrlock); } else ehca_gen_err("alloc failed"); @@ -72,9 +71,8 @@ static struct ehca_mw *ehca_mw_new(void) { struct ehca_mw *me; - me = kmem_cache_alloc(mw_cache, GFP_KERNEL); + me = kmem_cache_zalloc(mw_cache, GFP_KERNEL); if (me) { - memset(me, 0, sizeof(struct ehca_mw)); spin_lock_init(&me->mwlock); } else ehca_gen_err("alloc failed"); diff --git a/drivers/infiniband/hw/ehca/ehca_pd.c b/drivers/infiniband/hw/ehca/ehca_pd.c index d5345e5b3cd6..79d0591a8043 100644 --- a/drivers/infiniband/hw/ehca/ehca_pd.c +++ b/drivers/infiniband/hw/ehca/ehca_pd.c @@ -50,14 +50,13 @@ struct ib_pd *ehca_alloc_pd(struct ib_device *device, { struct ehca_pd *pd; - pd = kmem_cache_alloc(pd_cache, GFP_KERNEL); + pd = kmem_cache_zalloc(pd_cache, GFP_KERNEL); if (!pd) { ehca_err(device, "device=%p context=%p out of memory", device, context); return ERR_PTR(-ENOMEM); } - memset(pd, 0, sizeof(struct ehca_pd)); pd->ownpid = current->tgid; /* diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index 34b85556d01e..df0516f24379 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -450,13 +450,12 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, if (pd->uobject && udata) context = pd->uobject->context; - my_qp = kmem_cache_alloc(qp_cache, GFP_KERNEL); + my_qp = kmem_cache_zalloc(qp_cache, GFP_KERNEL); if (!my_qp) { ehca_err(pd->device, "pd=%p not enough memory to alloc qp", pd); return ERR_PTR(-ENOMEM); } - memset(my_qp, 0, sizeof(struct ehca_qp)); memset (&parms, 0, sizeof(struct ehca_alloc_qp_parms)); spin_lock_init(&my_qp->spinlock_s); spin_lock_init(&my_qp->spinlock_r); @@ -637,7 +636,6 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, struct ipz_queue *ipz_rqueue = &my_qp->ipz_rqueue; struct ipz_queue *ipz_squeue = &my_qp->ipz_squeue; struct ehca_create_qp_resp resp; - struct vm_area_struct * vma; memset(&resp, 0, sizeof(resp)); resp.qp_num = my_qp->real_qp_num; @@ -651,59 +649,21 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, resp.ipz_rqueue.queue_length = ipz_rqueue->queue_length; resp.ipz_rqueue.pagesize = ipz_rqueue->pagesize; resp.ipz_rqueue.toggle_state = ipz_rqueue->toggle_state; - ret = ehca_mmap_nopage(((u64)(my_qp->token) << 32) | 0x22000000, - ipz_rqueue->queue_length, - (void**)&resp.ipz_rqueue.queue, - &vma); - if (ret) { - ehca_err(pd->device, "Could not mmap rqueue pages"); - goto create_qp_exit3; - } - my_qp->uspace_rqueue = resp.ipz_rqueue.queue; /* squeue properties */ resp.ipz_squeue.qe_size = ipz_squeue->qe_size; resp.ipz_squeue.act_nr_of_sg = ipz_squeue->act_nr_of_sg; resp.ipz_squeue.queue_length = ipz_squeue->queue_length; resp.ipz_squeue.pagesize = ipz_squeue->pagesize; resp.ipz_squeue.toggle_state = ipz_squeue->toggle_state; - ret = ehca_mmap_nopage(((u64)(my_qp->token) << 32) | 0x23000000, - ipz_squeue->queue_length, - (void**)&resp.ipz_squeue.queue, - &vma); - if (ret) { - ehca_err(pd->device, "Could not mmap squeue pages"); - goto create_qp_exit4; - } - my_qp->uspace_squeue = resp.ipz_squeue.queue; - /* fw_handle */ - resp.galpas = my_qp->galpas; - ret = ehca_mmap_register(my_qp->galpas.user.fw_handle, - (void**)&resp.galpas.kernel.fw_handle, - &vma); - if (ret) { - ehca_err(pd->device, "Could not mmap fw_handle"); - goto create_qp_exit5; - } - my_qp->uspace_fwh = (u64)resp.galpas.kernel.fw_handle; - if (ib_copy_to_udata(udata, &resp, sizeof resp)) { ehca_err(pd->device, "Copy to udata failed"); ret = -EINVAL; - goto create_qp_exit6; + goto create_qp_exit3; } } return &my_qp->ib_qp; -create_qp_exit6: - ehca_munmap(my_qp->uspace_fwh, EHCA_PAGESIZE); - -create_qp_exit5: - ehca_munmap(my_qp->uspace_squeue, my_qp->ipz_squeue.queue_length); - -create_qp_exit4: - ehca_munmap(my_qp->uspace_rqueue, my_qp->ipz_rqueue.queue_length); - create_qp_exit3: ipz_queue_dtor(&my_qp->ipz_rqueue); ipz_queue_dtor(&my_qp->ipz_squeue); @@ -931,7 +891,7 @@ static int internal_modify_qp(struct ib_qp *ibqp, my_qp->qp_type == IB_QPT_SMI) && statetrans == IB_QPST_SQE2RTS) { /* mark next free wqe if kernel */ - if (my_qp->uspace_squeue == 0) { + if (!ibqp->uobject) { struct ehca_wqe *wqe; /* lock send queue */ spin_lock_irqsave(&my_qp->spinlock_s, spl_flags); @@ -1417,11 +1377,18 @@ int ehca_destroy_qp(struct ib_qp *ibqp) enum ib_qp_type qp_type; unsigned long flags; - if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context && - my_pd->ownpid != cur_pid) { - ehca_err(ibqp->device, "Invalid caller pid=%x ownpid=%x", - cur_pid, my_pd->ownpid); - return -EINVAL; + if (ibqp->uobject) { + if (my_qp->mm_count_galpa || + my_qp->mm_count_rqueue || my_qp->mm_count_squeue) { + ehca_err(ibqp->device, "Resources still referenced in " + "user space qp_num=%x", ibqp->qp_num); + return -EINVAL; + } + if (my_pd->ownpid != cur_pid) { + ehca_err(ibqp->device, "Invalid caller pid=%x ownpid=%x", + cur_pid, my_pd->ownpid); + return -EINVAL; + } } if (my_qp->send_cq) { @@ -1439,24 +1406,6 @@ int ehca_destroy_qp(struct ib_qp *ibqp) idr_remove(&ehca_qp_idr, my_qp->token); spin_unlock_irqrestore(&ehca_qp_idr_lock, flags); - /* un-mmap if vma alloc */ - if (my_qp->uspace_rqueue) { - ret = ehca_munmap(my_qp->uspace_rqueue, - my_qp->ipz_rqueue.queue_length); - if (ret) - ehca_err(ibqp->device, "Could not munmap rqueue " - "qp_num=%x", qp_num); - ret = ehca_munmap(my_qp->uspace_squeue, - my_qp->ipz_squeue.queue_length); - if (ret) - ehca_err(ibqp->device, "Could not munmap squeue " - "qp_num=%x", qp_num); - ret = ehca_munmap(my_qp->uspace_fwh, EHCA_PAGESIZE); - if (ret) - ehca_err(ibqp->device, "Could not munmap fwh qp_num=%x", - qp_num); - } - h_ret = hipz_h_destroy_qp(shca->ipz_hca_handle, my_qp); if (h_ret != H_SUCCESS) { ehca_err(ibqp->device, "hipz_h_destroy_qp() failed rc=%lx " diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c index b46bda1bf85d..08d3f892d9f3 100644 --- a/drivers/infiniband/hw/ehca/ehca_reqs.c +++ b/drivers/infiniband/hw/ehca/ehca_reqs.c @@ -579,7 +579,7 @@ poll_cq_one_read_cqe: } else wc->status = IB_WC_SUCCESS; - wc->qp_num = cqe->local_qp_number; + wc->qp = NULL; wc->byte_len = cqe->nr_bytes_transferred; wc->pkey_index = cqe->pkey_index; wc->slid = cqe->rlid; diff --git a/drivers/infiniband/hw/ehca/ehca_uverbs.c b/drivers/infiniband/hw/ehca/ehca_uverbs.c index e08764e4aef2..73db920b6945 100644 --- a/drivers/infiniband/hw/ehca/ehca_uverbs.c +++ b/drivers/infiniband/hw/ehca/ehca_uverbs.c @@ -68,105 +68,183 @@ int ehca_dealloc_ucontext(struct ib_ucontext *context) return 0; } -struct page *ehca_nopage(struct vm_area_struct *vma, - unsigned long address, int *type) +static void ehca_mm_open(struct vm_area_struct *vma) { - struct page *mypage = NULL; - u64 fileoffset = vma->vm_pgoff << PAGE_SHIFT; - u32 idr_handle = fileoffset >> 32; - u32 q_type = (fileoffset >> 28) & 0xF; /* CQ, QP,... */ - u32 rsrc_type = (fileoffset >> 24) & 0xF; /* sq,rq,cmnd_window */ - u32 cur_pid = current->tgid; - unsigned long flags; - struct ehca_cq *cq; - struct ehca_qp *qp; - struct ehca_pd *pd; - u64 offset; - void *vaddr; + u32 *count = (u32*)vma->vm_private_data; + if (!count) { + ehca_gen_err("Invalid vma struct vm_start=%lx vm_end=%lx", + vma->vm_start, vma->vm_end); + return; + } + (*count)++; + if (!(*count)) + ehca_gen_err("Use count overflow vm_start=%lx vm_end=%lx", + vma->vm_start, vma->vm_end); + ehca_gen_dbg("vm_start=%lx vm_end=%lx count=%x", + vma->vm_start, vma->vm_end, *count); +} - switch (q_type) { - case 1: /* CQ */ - spin_lock_irqsave(&ehca_cq_idr_lock, flags); - cq = idr_find(&ehca_cq_idr, idr_handle); - spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); +static void ehca_mm_close(struct vm_area_struct *vma) +{ + u32 *count = (u32*)vma->vm_private_data; + if (!count) { + ehca_gen_err("Invalid vma struct vm_start=%lx vm_end=%lx", + vma->vm_start, vma->vm_end); + return; + } + (*count)--; + ehca_gen_dbg("vm_start=%lx vm_end=%lx count=%x", + vma->vm_start, vma->vm_end, *count); +} - /* make sure this mmap really belongs to the authorized user */ - if (!cq) { - ehca_gen_err("cq is NULL ret=NOPAGE_SIGBUS"); - return NOPAGE_SIGBUS; +static struct vm_operations_struct vm_ops = { + .open = ehca_mm_open, + .close = ehca_mm_close, +}; + +static int ehca_mmap_fw(struct vm_area_struct *vma, struct h_galpas *galpas, + u32 *mm_count) +{ + int ret; + u64 vsize, physical; + + vsize = vma->vm_end - vma->vm_start; + if (vsize != EHCA_PAGESIZE) { + ehca_gen_err("invalid vsize=%lx", vma->vm_end - vma->vm_start); + return -EINVAL; + } + + physical = galpas->user.fw_handle; + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + ehca_gen_dbg("vsize=%lx physical=%lx", vsize, physical); + /* VM_IO | VM_RESERVED are set by remap_pfn_range() */ + ret = remap_pfn_range(vma, vma->vm_start, physical >> PAGE_SHIFT, + vsize, vma->vm_page_prot); + if (unlikely(ret)) { + ehca_gen_err("remap_pfn_range() failed ret=%x", ret); + return -ENOMEM; + } + + vma->vm_private_data = mm_count; + (*mm_count)++; + vma->vm_ops = &vm_ops; + + return 0; +} + +static int ehca_mmap_queue(struct vm_area_struct *vma, struct ipz_queue *queue, + u32 *mm_count) +{ + int ret; + u64 start, ofs; + struct page *page; + + vma->vm_flags |= VM_RESERVED; + start = vma->vm_start; + for (ofs = 0; ofs < queue->queue_length; ofs += PAGE_SIZE) { + u64 virt_addr = (u64)ipz_qeit_calc(queue, ofs); + page = virt_to_page(virt_addr); + ret = vm_insert_page(vma, start, page); + if (unlikely(ret)) { + ehca_gen_err("vm_insert_page() failed rc=%x", ret); + return ret; } + start += PAGE_SIZE; + } + vma->vm_private_data = mm_count; + (*mm_count)++; + vma->vm_ops = &vm_ops; - if (cq->ownpid != cur_pid) { + return 0; +} + +static int ehca_mmap_cq(struct vm_area_struct *vma, struct ehca_cq *cq, + u32 rsrc_type) +{ + int ret; + + switch (rsrc_type) { + case 1: /* galpa fw handle */ + ehca_dbg(cq->ib_cq.device, "cq_num=%x fw", cq->cq_number); + ret = ehca_mmap_fw(vma, &cq->galpas, &cq->mm_count_galpa); + if (unlikely(ret)) { ehca_err(cq->ib_cq.device, - "Invalid caller pid=%x ownpid=%x", - cur_pid, cq->ownpid); - return NOPAGE_SIGBUS; + "ehca_mmap_fw() failed rc=%x cq_num=%x", + ret, cq->cq_number); + return ret; } + break; - if (rsrc_type == 2) { - ehca_dbg(cq->ib_cq.device, "cq=%p cq queuearea", cq); - offset = address - vma->vm_start; - vaddr = ipz_qeit_calc(&cq->ipz_queue, offset); - ehca_dbg(cq->ib_cq.device, "offset=%lx vaddr=%p", - offset, vaddr); - mypage = virt_to_page(vaddr); + case 2: /* cq queue_addr */ + ehca_dbg(cq->ib_cq.device, "cq_num=%x queue", cq->cq_number); + ret = ehca_mmap_queue(vma, &cq->ipz_queue, &cq->mm_count_queue); + if (unlikely(ret)) { + ehca_err(cq->ib_cq.device, + "ehca_mmap_queue() failed rc=%x cq_num=%x", + ret, cq->cq_number); + return ret; } break; - case 2: /* QP */ - spin_lock_irqsave(&ehca_qp_idr_lock, flags); - qp = idr_find(&ehca_qp_idr, idr_handle); - spin_unlock_irqrestore(&ehca_qp_idr_lock, flags); + default: + ehca_err(cq->ib_cq.device, "bad resource type=%x cq_num=%x", + rsrc_type, cq->cq_number); + return -EINVAL; + } - /* make sure this mmap really belongs to the authorized user */ - if (!qp) { - ehca_gen_err("qp is NULL ret=NOPAGE_SIGBUS"); - return NOPAGE_SIGBUS; + return 0; +} + +static int ehca_mmap_qp(struct vm_area_struct *vma, struct ehca_qp *qp, + u32 rsrc_type) +{ + int ret; + + switch (rsrc_type) { + case 1: /* galpa fw handle */ + ehca_dbg(qp->ib_qp.device, "qp_num=%x fw", qp->ib_qp.qp_num); + ret = ehca_mmap_fw(vma, &qp->galpas, &qp->mm_count_galpa); + if (unlikely(ret)) { + ehca_err(qp->ib_qp.device, + "remap_pfn_range() failed ret=%x qp_num=%x", + ret, qp->ib_qp.qp_num); + return -ENOMEM; } + break; - pd = container_of(qp->ib_qp.pd, struct ehca_pd, ib_pd); - if (pd->ownpid != cur_pid) { + case 2: /* qp rqueue_addr */ + ehca_dbg(qp->ib_qp.device, "qp_num=%x rqueue", + qp->ib_qp.qp_num); + ret = ehca_mmap_queue(vma, &qp->ipz_rqueue, &qp->mm_count_rqueue); + if (unlikely(ret)) { ehca_err(qp->ib_qp.device, - "Invalid caller pid=%x ownpid=%x", - cur_pid, pd->ownpid); - return NOPAGE_SIGBUS; + "ehca_mmap_queue(rq) failed rc=%x qp_num=%x", + ret, qp->ib_qp.qp_num); + return ret; } + break; - if (rsrc_type == 2) { /* rqueue */ - ehca_dbg(qp->ib_qp.device, "qp=%p qp rqueuearea", qp); - offset = address - vma->vm_start; - vaddr = ipz_qeit_calc(&qp->ipz_rqueue, offset); - ehca_dbg(qp->ib_qp.device, "offset=%lx vaddr=%p", - offset, vaddr); - mypage = virt_to_page(vaddr); - } else if (rsrc_type == 3) { /* squeue */ - ehca_dbg(qp->ib_qp.device, "qp=%p qp squeuearea", qp); - offset = address - vma->vm_start; - vaddr = ipz_qeit_calc(&qp->ipz_squeue, offset); - ehca_dbg(qp->ib_qp.device, "offset=%lx vaddr=%p", - offset, vaddr); - mypage = virt_to_page(vaddr); + case 3: /* qp squeue_addr */ + ehca_dbg(qp->ib_qp.device, "qp_num=%x squeue", + qp->ib_qp.qp_num); + ret = ehca_mmap_queue(vma, &qp->ipz_squeue, &qp->mm_count_squeue); + if (unlikely(ret)) { + ehca_err(qp->ib_qp.device, + "ehca_mmap_queue(sq) failed rc=%x qp_num=%x", + ret, qp->ib_qp.qp_num); + return ret; } break; default: - ehca_gen_err("bad queue type %x", q_type); - return NOPAGE_SIGBUS; - } - - if (!mypage) { - ehca_gen_err("Invalid page adr==NULL ret=NOPAGE_SIGBUS"); - return NOPAGE_SIGBUS; + ehca_err(qp->ib_qp.device, "bad resource type=%x qp=num=%x", + rsrc_type, qp->ib_qp.qp_num); + return -EINVAL; } - get_page(mypage); - return mypage; + return 0; } -static struct vm_operations_struct ehcau_vm_ops = { - .nopage = ehca_nopage, -}; - int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) { u64 fileoffset = vma->vm_pgoff << PAGE_SHIFT; @@ -175,7 +253,6 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) u32 rsrc_type = (fileoffset >> 24) & 0xF; /* sq,rq,cmnd_window */ u32 cur_pid = current->tgid; u32 ret; - u64 vsize, physical; unsigned long flags; struct ehca_cq *cq; struct ehca_qp *qp; @@ -201,44 +278,12 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) if (!cq->ib_cq.uobject || cq->ib_cq.uobject->context != context) return -EINVAL; - switch (rsrc_type) { - case 1: /* galpa fw handle */ - ehca_dbg(cq->ib_cq.device, "cq=%p cq triggerarea", cq); - vma->vm_flags |= VM_RESERVED; - vsize = vma->vm_end - vma->vm_start; - if (vsize != EHCA_PAGESIZE) { - ehca_err(cq->ib_cq.device, "invalid vsize=%lx", - vma->vm_end - vma->vm_start); - return -EINVAL; - } - - physical = cq->galpas.user.fw_handle; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - vma->vm_flags |= VM_IO | VM_RESERVED; - - ehca_dbg(cq->ib_cq.device, - "vsize=%lx physical=%lx", vsize, physical); - ret = remap_pfn_range(vma, vma->vm_start, - physical >> PAGE_SHIFT, vsize, - vma->vm_page_prot); - if (ret) { - ehca_err(cq->ib_cq.device, - "remap_pfn_range() failed ret=%x", - ret); - return -ENOMEM; - } - break; - - case 2: /* cq queue_addr */ - ehca_dbg(cq->ib_cq.device, "cq=%p cq q_addr", cq); - vma->vm_flags |= VM_RESERVED; - vma->vm_ops = &ehcau_vm_ops; - break; - - default: - ehca_err(cq->ib_cq.device, "bad resource type %x", - rsrc_type); - return -EINVAL; + ret = ehca_mmap_cq(vma, cq, rsrc_type); + if (unlikely(ret)) { + ehca_err(cq->ib_cq.device, + "ehca_mmap_cq() failed rc=%x cq_num=%x", + ret, cq->cq_number); + return ret; } break; @@ -262,50 +307,12 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) if (!qp->ib_qp.uobject || qp->ib_qp.uobject->context != context) return -EINVAL; - switch (rsrc_type) { - case 1: /* galpa fw handle */ - ehca_dbg(qp->ib_qp.device, "qp=%p qp triggerarea", qp); - vma->vm_flags |= VM_RESERVED; - vsize = vma->vm_end - vma->vm_start; - if (vsize != EHCA_PAGESIZE) { - ehca_err(qp->ib_qp.device, "invalid vsize=%lx", - vma->vm_end - vma->vm_start); - return -EINVAL; - } - - physical = qp->galpas.user.fw_handle; - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - vma->vm_flags |= VM_IO | VM_RESERVED; - - ehca_dbg(qp->ib_qp.device, "vsize=%lx physical=%lx", - vsize, physical); - ret = remap_pfn_range(vma, vma->vm_start, - physical >> PAGE_SHIFT, vsize, - vma->vm_page_prot); - if (ret) { - ehca_err(qp->ib_qp.device, - "remap_pfn_range() failed ret=%x", - ret); - return -ENOMEM; - } - break; - - case 2: /* qp rqueue_addr */ - ehca_dbg(qp->ib_qp.device, "qp=%p qp rqueue_addr", qp); - vma->vm_flags |= VM_RESERVED; - vma->vm_ops = &ehcau_vm_ops; - break; - - case 3: /* qp squeue_addr */ - ehca_dbg(qp->ib_qp.device, "qp=%p qp squeue_addr", qp); - vma->vm_flags |= VM_RESERVED; - vma->vm_ops = &ehcau_vm_ops; - break; - - default: - ehca_err(qp->ib_qp.device, "bad resource type %x", - rsrc_type); - return -EINVAL; + ret = ehca_mmap_qp(vma, qp, rsrc_type); + if (unlikely(ret)) { + ehca_err(qp->ib_qp.device, + "ehca_mmap_qp() failed rc=%x qp_num=%x", + ret, qp->ib_qp.qp_num); + return ret; } break; @@ -316,77 +323,3 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) return 0; } - -int ehca_mmap_nopage(u64 foffset, u64 length, void **mapped, - struct vm_area_struct **vma) -{ - down_write(¤t->mm->mmap_sem); - *mapped = (void*)do_mmap(NULL,0, length, PROT_WRITE, - MAP_SHARED | MAP_ANONYMOUS, - foffset); - up_write(¤t->mm->mmap_sem); - if (!(*mapped)) { - ehca_gen_err("couldn't mmap foffset=%lx length=%lx", - foffset, length); - return -EINVAL; - } - - *vma = find_vma(current->mm, (u64)*mapped); - if (!(*vma)) { - down_write(¤t->mm->mmap_sem); - do_munmap(current->mm, 0, length); - up_write(¤t->mm->mmap_sem); - ehca_gen_err("couldn't find vma queue=%p", *mapped); - return -EINVAL; - } - (*vma)->vm_flags |= VM_RESERVED; - (*vma)->vm_ops = &ehcau_vm_ops; - - return 0; -} - -int ehca_mmap_register(u64 physical, void **mapped, - struct vm_area_struct **vma) -{ - int ret; - unsigned long vsize; - /* ehca hw supports only 4k page */ - ret = ehca_mmap_nopage(0, EHCA_PAGESIZE, mapped, vma); - if (ret) { - ehca_gen_err("could'nt mmap physical=%lx", physical); - return ret; - } - - (*vma)->vm_flags |= VM_RESERVED; - vsize = (*vma)->vm_end - (*vma)->vm_start; - if (vsize != EHCA_PAGESIZE) { - ehca_gen_err("invalid vsize=%lx", - (*vma)->vm_end - (*vma)->vm_start); - return -EINVAL; - } - - (*vma)->vm_page_prot = pgprot_noncached((*vma)->vm_page_prot); - (*vma)->vm_flags |= VM_IO | VM_RESERVED; - - ret = remap_pfn_range((*vma), (*vma)->vm_start, - physical >> PAGE_SHIFT, vsize, - (*vma)->vm_page_prot); - if (ret) { - ehca_gen_err("remap_pfn_range() failed ret=%x", ret); - return -ENOMEM; - } - - return 0; - -} - -int ehca_munmap(unsigned long addr, size_t len) { - int ret = 0; - struct mm_struct *mm = current->mm; - if (mm) { - down_write(&mm->mmap_sem); - ret = do_munmap(mm, addr, len); - up_write(&mm->mmap_sem); - } - return ret; -} diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c index 28c087b824c2..0f13a2182cc7 100644 --- a/drivers/infiniband/hw/ipath/ipath_diag.c +++ b/drivers/infiniband/hw/ipath/ipath_diag.c @@ -59,7 +59,7 @@ static ssize_t ipath_diag_read(struct file *fp, char __user *data, static ssize_t ipath_diag_write(struct file *fp, const char __user *data, size_t count, loff_t *off); -static struct file_operations diag_file_ops = { +static const struct file_operations diag_file_ops = { .owner = THIS_MODULE, .write = ipath_diag_write, .read = ipath_diag_read, @@ -71,7 +71,7 @@ static ssize_t ipath_diagpkt_write(struct file *fp, const char __user *data, size_t count, loff_t *off); -static struct file_operations diagpkt_file_ops = { +static const struct file_operations diagpkt_file_ops = { .owner = THIS_MODULE, .write = ipath_diagpkt_write, }; diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c index b932bcb67a5e..5d64ff875297 100644 --- a/drivers/infiniband/hw/ipath/ipath_file_ops.c +++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c @@ -54,7 +54,7 @@ static ssize_t ipath_write(struct file *, const char __user *, size_t, static unsigned int ipath_poll(struct file *, struct poll_table_struct *); static int ipath_mmap(struct file *, struct vm_area_struct *); -static struct file_operations ipath_file_ops = { +static const struct file_operations ipath_file_ops = { .owner = THIS_MODULE, .write = ipath_write, .open = ipath_open, @@ -2153,7 +2153,7 @@ bail: static struct class *ipath_class; -static int init_cdev(int minor, char *name, struct file_operations *fops, +static int init_cdev(int minor, char *name, const struct file_operations *fops, struct cdev **cdevp, struct class_device **class_devp) { const dev_t dev = MKDEV(IPATH_MAJOR, minor); @@ -2210,7 +2210,7 @@ done: return ret; } -int ipath_cdev_init(int minor, char *name, struct file_operations *fops, +int ipath_cdev_init(int minor, char *name, const struct file_operations *fops, struct cdev **cdevp, struct class_device **class_devp) { return init_cdev(minor, name, fops, cdevp, class_devp); diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c index 79a60f020a21..5b40a846ff95 100644 --- a/drivers/infiniband/hw/ipath/ipath_fs.c +++ b/drivers/infiniband/hw/ipath/ipath_fs.c @@ -47,7 +47,7 @@ static struct super_block *ipath_super; static int ipathfs_mknod(struct inode *dir, struct dentry *dentry, - int mode, struct file_operations *fops, + int mode, const struct file_operations *fops, void *data) { int error; @@ -81,7 +81,7 @@ bail: static int create_file(const char *name, mode_t mode, struct dentry *parent, struct dentry **dentry, - struct file_operations *fops, void *data) + const struct file_operations *fops, void *data) { int error; @@ -105,7 +105,7 @@ static ssize_t atomic_stats_read(struct file *file, char __user *buf, sizeof ipath_stats); } -static struct file_operations atomic_stats_ops = { +static const struct file_operations atomic_stats_ops = { .read = atomic_stats_read, }; @@ -127,7 +127,7 @@ static ssize_t atomic_counters_read(struct file *file, char __user *buf, sizeof counters); } -static struct file_operations atomic_counters_ops = { +static const struct file_operations atomic_counters_ops = { .read = atomic_counters_read, }; @@ -166,7 +166,7 @@ static ssize_t atomic_node_info_read(struct file *file, char __user *buf, sizeof nodeinfo); } -static struct file_operations atomic_node_info_ops = { +static const struct file_operations atomic_node_info_ops = { .read = atomic_node_info_read, }; @@ -291,7 +291,7 @@ static ssize_t atomic_port_info_read(struct file *file, char __user *buf, sizeof portinfo); } -static struct file_operations atomic_port_info_ops = { +static const struct file_operations atomic_port_info_ops = { .read = atomic_port_info_read, }; @@ -394,7 +394,7 @@ bail: return ret; } -static struct file_operations flash_ops = { +static const struct file_operations flash_ops = { .read = flash_read, .write = flash_write, }; diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h index 986b2125b8f5..6d8d05fb5999 100644 --- a/drivers/infiniband/hw/ipath/ipath_kernel.h +++ b/drivers/infiniband/hw/ipath/ipath_kernel.h @@ -593,7 +593,7 @@ void ipath_shutdown_device(struct ipath_devdata *); void ipath_disarm_senderrbufs(struct ipath_devdata *); struct file_operations; -int ipath_cdev_init(int minor, char *name, struct file_operations *fops, +int ipath_cdev_init(int minor, char *name, const struct file_operations *fops, struct cdev **cdevp, struct class_device **class_devp); void ipath_cdev_cleanup(struct cdev **cdevp, struct class_device **class_devp); diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c index 46c1c89bf6ae..64f07b19349f 100644 --- a/drivers/infiniband/hw/ipath/ipath_qp.c +++ b/drivers/infiniband/hw/ipath/ipath_qp.c @@ -379,7 +379,7 @@ void ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err) wc.vendor_err = 0; wc.byte_len = 0; wc.imm_data = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = 0; wc.wc_flags = 0; wc.pkey_index = 0; diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c index ce6038743c5c..5ff20cb04494 100644 --- a/drivers/infiniband/hw/ipath/ipath_rc.c +++ b/drivers/infiniband/hw/ipath/ipath_rc.c @@ -702,7 +702,7 @@ void ipath_restart_rc(struct ipath_qp *qp, u32 psn, struct ib_wc *wc) wc->opcode = ib_ipath_wc_opcode[wqe->wr.opcode]; wc->vendor_err = 0; wc->byte_len = 0; - wc->qp_num = qp->ibqp.qp_num; + wc->qp = &qp->ibqp; wc->src_qp = qp->remote_qpn; wc->pkey_index = 0; wc->slid = qp->remote_ah_attr.dlid; @@ -836,7 +836,7 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode) wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode]; wc.vendor_err = 0; wc.byte_len = wqe->length; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = qp->remote_qpn; wc.pkey_index = 0; wc.slid = qp->remote_ah_attr.dlid; @@ -951,7 +951,7 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode) wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode]; wc.vendor_err = 0; wc.byte_len = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = qp->remote_qpn; wc.pkey_index = 0; wc.slid = qp->remote_ah_attr.dlid; @@ -1511,7 +1511,7 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, wc.status = IB_WC_SUCCESS; wc.opcode = IB_WC_RECV; wc.vendor_err = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = qp->remote_qpn; wc.pkey_index = 0; wc.slid = qp->remote_ah_attr.dlid; diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c index f7530512045d..e86cb171872e 100644 --- a/drivers/infiniband/hw/ipath/ipath_ruc.c +++ b/drivers/infiniband/hw/ipath/ipath_ruc.c @@ -137,7 +137,7 @@ bad_lkey: wc.vendor_err = 0; wc.byte_len = 0; wc.imm_data = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = 0; wc.wc_flags = 0; wc.pkey_index = 0; @@ -336,7 +336,7 @@ again: wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode]; wc.vendor_err = 0; wc.byte_len = 0; - wc.qp_num = sqp->ibqp.qp_num; + wc.qp = &sqp->ibqp; wc.src_qp = sqp->remote_qpn; wc.pkey_index = 0; wc.slid = sqp->remote_ah_attr.dlid; @@ -426,7 +426,7 @@ again: wc.status = IB_WC_SUCCESS; wc.vendor_err = 0; wc.byte_len = wqe->length; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = qp->remote_qpn; /* XXX do we know which pkey matched? Only needed for GSI. */ wc.pkey_index = 0; @@ -447,7 +447,7 @@ send_comp: wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode]; wc.vendor_err = 0; wc.byte_len = wqe->length; - wc.qp_num = sqp->ibqp.qp_num; + wc.qp = &sqp->ibqp; wc.src_qp = 0; wc.pkey_index = 0; wc.slid = 0; diff --git a/drivers/infiniband/hw/ipath/ipath_uc.c b/drivers/infiniband/hw/ipath/ipath_uc.c index e636cfd67a82..325d6634ff53 100644 --- a/drivers/infiniband/hw/ipath/ipath_uc.c +++ b/drivers/infiniband/hw/ipath/ipath_uc.c @@ -49,7 +49,7 @@ static void complete_last_send(struct ipath_qp *qp, struct ipath_swqe *wqe, wc->opcode = ib_ipath_wc_opcode[wqe->wr.opcode]; wc->vendor_err = 0; wc->byte_len = wqe->length; - wc->qp_num = qp->ibqp.qp_num; + wc->qp = &qp->ibqp; wc->src_qp = qp->remote_qpn; wc->pkey_index = 0; wc->slid = qp->remote_ah_attr.dlid; @@ -411,7 +411,7 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, wc.status = IB_WC_SUCCESS; wc.opcode = IB_WC_RECV; wc.vendor_err = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = qp->remote_qpn; wc.pkey_index = 0; wc.slid = qp->remote_ah_attr.dlid; diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c index 49f1102af8b3..9a3e54664ee4 100644 --- a/drivers/infiniband/hw/ipath/ipath_ud.c +++ b/drivers/infiniband/hw/ipath/ipath_ud.c @@ -66,7 +66,7 @@ bad_lkey: wc.vendor_err = 0; wc.byte_len = 0; wc.imm_data = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = 0; wc.wc_flags = 0; wc.pkey_index = 0; @@ -255,7 +255,7 @@ static void ipath_ud_loopback(struct ipath_qp *sqp, wc->status = IB_WC_SUCCESS; wc->opcode = IB_WC_RECV; wc->vendor_err = 0; - wc->qp_num = qp->ibqp.qp_num; + wc->qp = &qp->ibqp; wc->src_qp = sqp->ibqp.qp_num; /* XXX do we know which pkey matched? Only needed for GSI. */ wc->pkey_index = 0; @@ -474,7 +474,7 @@ done: wc.vendor_err = 0; wc.opcode = IB_WC_SEND; wc.byte_len = len; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = 0; wc.wc_flags = 0; /* XXX initialize other fields? */ @@ -651,7 +651,7 @@ void ipath_ud_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, wc.status = IB_WC_SUCCESS; wc.opcode = IB_WC_RECV; wc.vendor_err = 0; - wc.qp_num = qp->ibqp.qp_num; + wc.qp = &qp->ibqp; wc.src_qp = src_qp; /* XXX do we know which pkey matched? Only needed for GSI. */ wc.pkey_index = 0; diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index 768df7265b81..968d1519761c 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -1854,7 +1854,7 @@ int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey, memset(inbox + 256, 0, 256); - MTHCA_PUT(inbox, in_wc->qp_num, MAD_IFC_MY_QPN_OFFSET); + MTHCA_PUT(inbox, in_wc->qp->qp_num, MAD_IFC_MY_QPN_OFFSET); MTHCA_PUT(inbox, in_wc->src_qp, MAD_IFC_RQPN_OFFSET); val = in_wc->sl << 4; diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index 1159c8a0f2c5..efd79ef109a6 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -534,7 +534,7 @@ static inline int mthca_poll_one(struct mthca_dev *dev, } } - entry->qp_num = (*cur_qp)->qpn; + entry->qp = &(*cur_qp)->ibqp; if (is_send) { wq = &(*cur_qp)->sq; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_fs.c b/drivers/infiniband/ulp/ipoib/ipoib_fs.c index f1cb83688b31..44c174182a82 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_fs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_fs.c @@ -146,7 +146,7 @@ static int ipoib_mcg_open(struct inode *inode, struct file *file) return 0; } -static struct file_operations ipoib_mcg_fops = { +static const struct file_operations ipoib_mcg_fops = { .owner = THIS_MODULE, .open = ipoib_mcg_open, .read = seq_read, @@ -252,7 +252,7 @@ static int ipoib_path_open(struct inode *inode, struct file *file) return 0; } -static struct file_operations ipoib_path_fops = { +static const struct file_operations ipoib_path_fops = { .owner = THIS_MODULE, .open = ipoib_path_open, .read = seq_read, diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 705eb1d0e554..af5ee2ec4499 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -958,16 +958,17 @@ struct ipoib_dev_priv *ipoib_intf_alloc(const char *name) return netdev_priv(dev); } -static ssize_t show_pkey(struct class_device *cdev, char *buf) +static ssize_t show_pkey(struct device *dev, + struct device_attribute *attr, char *buf) { - struct ipoib_dev_priv *priv = - netdev_priv(container_of(cdev, struct net_device, class_dev)); + struct ipoib_dev_priv *priv = netdev_priv(to_net_dev(dev)); return sprintf(buf, "0x%04x\n", priv->pkey); } -static CLASS_DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL); +static DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL); -static ssize_t create_child(struct class_device *cdev, +static ssize_t create_child(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { int pkey; @@ -985,14 +986,14 @@ static ssize_t create_child(struct class_device *cdev, */ pkey |= 0x8000; - ret = ipoib_vlan_add(container_of(cdev, struct net_device, class_dev), - pkey); + ret = ipoib_vlan_add(to_net_dev(dev), pkey); return ret ? ret : count; } -static CLASS_DEVICE_ATTR(create_child, S_IWUGO, NULL, create_child); +static DEVICE_ATTR(create_child, S_IWUGO, NULL, create_child); -static ssize_t delete_child(struct class_device *cdev, +static ssize_t delete_child(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) { int pkey; @@ -1004,18 +1005,16 @@ static ssize_t delete_child(struct class_device *cdev, if (pkey < 0 || pkey > 0xffff) return -EINVAL; - ret = ipoib_vlan_delete(container_of(cdev, struct net_device, class_dev), - pkey); + ret = ipoib_vlan_delete(to_net_dev(dev), pkey); return ret ? ret : count; } -static CLASS_DEVICE_ATTR(delete_child, S_IWUGO, NULL, delete_child); +static DEVICE_ATTR(delete_child, S_IWUGO, NULL, delete_child); int ipoib_add_pkey_attr(struct net_device *dev) { - return class_device_create_file(&dev->class_dev, - &class_device_attr_pkey); + return device_create_file(&dev->dev, &dev_attr_pkey); } static struct net_device *ipoib_add_port(const char *format, @@ -1083,11 +1082,9 @@ static struct net_device *ipoib_add_port(const char *format, if (ipoib_add_pkey_attr(priv->dev)) goto sysfs_failed; - if (class_device_create_file(&priv->dev->class_dev, - &class_device_attr_create_child)) + if (device_create_file(&priv->dev->dev, &dev_attr_create_child)) goto sysfs_failed; - if (class_device_create_file(&priv->dev->class_dev, - &class_device_attr_delete_child)) + if (device_create_file(&priv->dev->dev, &dev_attr_delete_child)) goto sysfs_failed; return priv->dev; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c index f887780e8093..085eafe6667c 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c @@ -42,15 +42,15 @@ #include "ipoib.h" -static ssize_t show_parent(struct class_device *class_dev, char *buf) +static ssize_t show_parent(struct device *d, struct device_attribute *attr, + char *buf) { - struct net_device *dev = - container_of(class_dev, struct net_device, class_dev); + struct net_device *dev = to_net_dev(d); struct ipoib_dev_priv *priv = netdev_priv(dev); return sprintf(buf, "%s\n", priv->parent->name); } -static CLASS_DEVICE_ATTR(parent, S_IRUGO, show_parent, NULL); +static DEVICE_ATTR(parent, S_IRUGO, show_parent, NULL); int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey) { @@ -118,8 +118,7 @@ int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey) if (ipoib_add_pkey_attr(priv->dev)) goto sysfs_failed; - if (class_device_create_file(&priv->dev->class_dev, - &class_device_attr_parent)) + if (device_create_file(&priv->dev->dev, &dev_attr_parent)) goto sysfs_failed; list_add_tail(&priv->list, &ppriv->child_intfs); diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c index 0a7d1ab60e6d..89e37283c836 100644 --- a/drivers/infiniband/ulp/iser/iser_initiator.c +++ b/drivers/infiniband/ulp/iser/iser_initiator.c @@ -567,7 +567,7 @@ void iser_rcv_completion(struct iser_desc *rx_desc, opcode = hdr->opcode & ISCSI_OPCODE_MASK; if (opcode == ISCSI_OP_SCSI_CMD_RSP) { - itt = hdr->itt & ISCSI_ITT_MASK; /* mask out cid and age bits */ + itt = get_itt(hdr->itt); /* mask out cid and age bits */ if (!(itt < session->cmds_max)) iser_err("itt can't be matched to task!!!" "conn %p opcode %d cmds_max %d itt %d\n", @@ -625,7 +625,7 @@ void iser_snd_completion(struct iser_desc *tx_desc) /* this arithmetic is legal by libiscsi dd_data allocation */ mtask = (void *) ((long)(void *)tx_desc - sizeof(struct iscsi_mgmt_task)); - if (mtask->hdr->itt == cpu_to_be32(ISCSI_RESERVED_TAG)) { + if (mtask->hdr->itt == RESERVED_ITT) { struct iscsi_session *session = conn->session; spin_lock(&conn->session->lock); diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 72611fd15103..5e8ac577f0ad 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -548,6 +548,7 @@ static int srp_reconnect_target(struct srp_target_port *target) target->tx_head = 0; target->tx_tail = 0; + target->qp_in_error = 0; ret = srp_connect_target(target); if (ret) goto err; @@ -878,6 +879,7 @@ static void srp_completion(struct ib_cq *cq, void *target_ptr) printk(KERN_ERR PFX "failed %s status %d\n", wc.wr_id & SRP_OP_RECV ? "receive" : "send", wc.status); + target->qp_in_error = 1; break; } @@ -1337,6 +1339,8 @@ static int srp_abort(struct scsi_cmnd *scmnd) printk(KERN_ERR "SRP abort called\n"); + if (target->qp_in_error) + return FAILED; if (srp_find_req(target, scmnd, &req)) return FAILED; if (srp_send_tsk_mgmt(target, req, SRP_TSK_ABORT_TASK)) @@ -1365,6 +1369,8 @@ static int srp_reset_device(struct scsi_cmnd *scmnd) printk(KERN_ERR "SRP reset_device called\n"); + if (target->qp_in_error) + return FAILED; if (srp_find_req(target, scmnd, &req)) return FAILED; if (srp_send_tsk_mgmt(target, req, SRP_TSK_LUN_RESET)) @@ -1801,6 +1807,7 @@ static ssize_t srp_create_target(struct class_device *class_dev, goto err_free; } + target->qp_in_error = 0; ret = srp_connect_target(target); if (ret) { printk(KERN_ERR PFX "Connection failed\n"); diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h index c21772317b86..2f3319c719a5 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.h +++ b/drivers/infiniband/ulp/srp/ib_srp.h @@ -158,6 +158,7 @@ struct srp_target_port { struct completion done; int status; enum srp_target_state state; + int qp_in_error; }; struct srp_iu { |