diff options
Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_main.c')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_main.c | 98 |
1 files changed, 76 insertions, 22 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c index c3f99f33b49c..28ba2dd24216 100644 --- a/drivers/infiniband/hw/ehca/ehca_main.c +++ b/drivers/infiniband/hw/ehca/ehca_main.c @@ -94,17 +94,15 @@ MODULE_PARM_DESC(poll_all_eqs, MODULE_PARM_DESC(static_rate, "set permanent static rate (default: disabled)"); MODULE_PARM_DESC(scaling_code, - "set scaling code (0: disabled, 1: enabled/default)"); + "set scaling code (0: disabled/default, 1: enabled)"); -spinlock_t ehca_qp_idr_lock; -spinlock_t ehca_cq_idr_lock; -spinlock_t hcall_lock; +DEFINE_RWLOCK(ehca_qp_idr_lock); +DEFINE_RWLOCK(ehca_cq_idr_lock); DEFINE_IDR(ehca_qp_idr); DEFINE_IDR(ehca_cq_idr); - -static struct list_head shca_list; /* list of all registered ehcas */ -static spinlock_t shca_list_lock; +static LIST_HEAD(shca_list); /* list of all registered ehcas */ +static DEFINE_SPINLOCK(shca_list_lock); static struct timer_list poll_eqs_timer; @@ -205,11 +203,35 @@ static void ehca_destroy_slab_caches(void) #define EHCA_HCAAVER EHCA_BMASK_IBM(32,39) #define EHCA_REVID EHCA_BMASK_IBM(40,63) +static struct cap_descr { + u64 mask; + char *descr; +} hca_cap_descr[] = { + { HCA_CAP_AH_PORT_NR_CHECK, "HCA_CAP_AH_PORT_NR_CHECK" }, + { HCA_CAP_ATOMIC, "HCA_CAP_ATOMIC" }, + { HCA_CAP_AUTO_PATH_MIG, "HCA_CAP_AUTO_PATH_MIG" }, + { HCA_CAP_BAD_P_KEY_CTR, "HCA_CAP_BAD_P_KEY_CTR" }, + { HCA_CAP_SQD_RTS_PORT_CHANGE, "HCA_CAP_SQD_RTS_PORT_CHANGE" }, + { HCA_CAP_CUR_QP_STATE_MOD, "HCA_CAP_CUR_QP_STATE_MOD" }, + { HCA_CAP_INIT_TYPE, "HCA_CAP_INIT_TYPE" }, + { HCA_CAP_PORT_ACTIVE_EVENT, "HCA_CAP_PORT_ACTIVE_EVENT" }, + { HCA_CAP_Q_KEY_VIOL_CTR, "HCA_CAP_Q_KEY_VIOL_CTR" }, + { HCA_CAP_WQE_RESIZE, "HCA_CAP_WQE_RESIZE" }, + { HCA_CAP_RAW_PACKET_MCAST, "HCA_CAP_RAW_PACKET_MCAST" }, + { HCA_CAP_SHUTDOWN_PORT, "HCA_CAP_SHUTDOWN_PORT" }, + { HCA_CAP_RC_LL_QP, "HCA_CAP_RC_LL_QP" }, + { HCA_CAP_SRQ, "HCA_CAP_SRQ" }, + { HCA_CAP_UD_LL_QP, "HCA_CAP_UD_LL_QP" }, + { HCA_CAP_RESIZE_MR, "HCA_CAP_RESIZE_MR" }, + { HCA_CAP_MINI_QP, "HCA_CAP_MINI_QP" }, +}; + int ehca_sense_attributes(struct ehca_shca *shca) { - int ret = 0; + int i, ret = 0; u64 h_ret; struct hipz_query_hca *rblock; + struct hipz_query_port *port; rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); if (!rblock) { @@ -222,7 +244,7 @@ int ehca_sense_attributes(struct ehca_shca *shca) ehca_gen_err("Cannot query device properties. h_ret=%lx", h_ret); ret = -EPERM; - goto num_ports1; + goto sense_attributes1; } if (ehca_nr_ports == 1) @@ -242,18 +264,44 @@ int ehca_sense_attributes(struct ehca_shca *shca) ehca_gen_dbg(" ... hardware version=%x:%x", hcaaver, revid); if ((hcaaver == 1) && (revid == 0)) - shca->hw_level = 0; + shca->hw_level = 0x11; else if ((hcaaver == 1) && (revid == 1)) - shca->hw_level = 1; + shca->hw_level = 0x12; else if ((hcaaver == 1) && (revid == 2)) - shca->hw_level = 2; + shca->hw_level = 0x13; + else if ((hcaaver == 2) && (revid == 0)) + shca->hw_level = 0x21; + else if ((hcaaver == 2) && (revid == 0x10)) + shca->hw_level = 0x22; + else { + ehca_gen_warn("unknown hardware version" + " - assuming default level"); + shca->hw_level = 0x22; + } } ehca_gen_dbg(" ... hardware level=%x", shca->hw_level); shca->sport[0].rate = IB_RATE_30_GBPS; shca->sport[1].rate = IB_RATE_30_GBPS; -num_ports1: + shca->hca_cap = rblock->hca_cap_indicators; + ehca_gen_dbg(" ... HCA capabilities:"); + for (i = 0; i < ARRAY_SIZE(hca_cap_descr); i++) + if (EHCA_BMASK_GET(hca_cap_descr[i].mask, shca->hca_cap)) + ehca_gen_dbg(" %s", hca_cap_descr[i].descr); + + port = (struct hipz_query_port *) rblock; + h_ret = hipz_h_query_port(shca->ipz_hca_handle, 1, port); + if (h_ret != H_SUCCESS) { + ehca_gen_err("Cannot query port properties. h_ret=%lx", + h_ret); + ret = -EPERM; + goto sense_attributes1; + } + + shca->max_mtu = port->max_mtu; + +sense_attributes1: ehca_free_fw_ctrlblock(rblock); return ret; } @@ -293,7 +341,7 @@ 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 = 6; + shca->ib_device.uverbs_abi_ver = 7; shca->ib_device.uverbs_cmd_mask = (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | @@ -361,6 +409,20 @@ int ehca_init_device(struct ehca_shca *shca) /* shca->ib_device.process_mad = ehca_process_mad; */ shca->ib_device.mmap = ehca_mmap; + if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) { + shca->ib_device.uverbs_cmd_mask |= + (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | + (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | + (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | + (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ); + + shca->ib_device.create_srq = ehca_create_srq; + shca->ib_device.modify_srq = ehca_modify_srq; + shca->ib_device.query_srq = ehca_query_srq; + shca->ib_device.destroy_srq = ehca_destroy_srq; + shca->ib_device.post_srq_recv = ehca_post_srq_recv; + } + return ret; } @@ -800,14 +862,6 @@ int __init ehca_module_init(void) printk(KERN_INFO "eHCA Infiniband Device Driver " "(Rel.: SVNEHCA_0023)\n"); - idr_init(&ehca_qp_idr); - idr_init(&ehca_cq_idr); - spin_lock_init(&ehca_qp_idr_lock); - spin_lock_init(&ehca_cq_idr_lock); - spin_lock_init(&hcall_lock); - - INIT_LIST_HEAD(&shca_list); - spin_lock_init(&shca_list_lock); if ((ret = ehca_create_comp_pool())) { ehca_gen_err("Cannot create comp pool."); |