int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey)
{
int ret = 0;
u64 h_ret;
struct ehca_shca *shca;
struct hipz_query_port *rblock;
shca = container_of(ibdev, struct ehca_shca, ib_device);
if (index > 16) {
ehca_err(&shca->ib_device, "Invalid index: %x.", index);
return -EINVAL;
}
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
return -ENOMEM;
}
h_ret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock);
if (h_ret != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query port properties");
ret = -EINVAL;
goto query_pkey1;
}
memcpy(pkey, &rblock->pkey_entries + index, sizeof(u16));
query_pkey1:
ehca_free_fw_ctrlblock(rblock);
return ret;
}
int ehca_query_gid(struct ib_device *ibdev, u8 port,
int index, union ib_gid *gid)
{
int ret = 0;
u64 h_ret;
struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
ib_device);
struct hipz_query_port *rblock;
if (index < 0 || index > 255) {
ehca_err(&shca->ib_device, "Invalid index: %x.", index);
return -EINVAL;
}
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
return -ENOMEM;
}
h_ret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock);
if (h_ret != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query port properties");
ret = -EINVAL;
goto query_gid1;
}
memcpy(&gid->raw[0], &rblock->gid_prefix, sizeof(u64));
memcpy(&gid->raw[8], &rblock->guid_entries[index], sizeof(u64));
query_gid1:
ehca_free_fw_ctrlblock(rblock);
return ret;
}
int ehca_query_sma_attr(struct ehca_shca *shca,
u8 port, struct ehca_sma_attr *attr)
{
int ret = 0;
u64 h_ret;
struct hipz_query_port *rblock;
rblock = ehca_alloc_fw_ctrlblock(GFP_ATOMIC);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
return -ENOMEM;
}
h_ret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock);
if (h_ret != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query port properties");
ret = -EINVAL;
goto query_sma_attr1;
}
memset(attr, 0, sizeof(struct ehca_sma_attr));
attr->lid = rblock->lid;
attr->lmc = rblock->lmc;
attr->sm_sl = rblock->sm_sl;
attr->sm_lid = rblock->sm_lid;
attr->pkey_tbl_len = rblock->pkey_tbl_len;
memcpy(attr->pkeys, rblock->pkey_entries, sizeof(attr->pkeys));
query_sma_attr1:
ehca_free_fw_ctrlblock(rblock);
return ret;
}
int ehca_modify_port(struct ib_device *ibdev,
u8 port, int port_modify_mask,
struct ib_port_modify *props)
{
int ret = 0;
struct ehca_shca *shca;
struct hipz_query_port *rblock;
u32 cap;
u64 hret;
shca = container_of(ibdev, struct ehca_shca, ib_device);
if ((props->set_port_cap_mask | props->clr_port_cap_mask)
& ~allowed_port_caps) {
ehca_err(&shca->ib_device, "Non-changeable bits set in masks "
"set=%x clr=%x allowed=%x", props->set_port_cap_mask,
props->clr_port_cap_mask, allowed_port_caps);
return -EINVAL;
}
if (mutex_lock_interruptible(&shca->modify_mutex))
return -ERESTARTSYS;
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
ret = -ENOMEM;
goto modify_port1;
}
hret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock);
if (hret != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query port properties");
ret = -EINVAL;
goto modify_port2;
}
cap = (rblock->capability_mask | props->set_port_cap_mask)
& ~props->clr_port_cap_mask;
hret = hipz_h_modify_port(shca->ipz_hca_handle, port,
cap, props->init_type, port_modify_mask);
if (hret != H_SUCCESS) {
ehca_err(&shca->ib_device, "Modify port failed h_ret=%lli",
hret);
ret = -EINVAL;
}
modify_port2:
ehca_free_fw_ctrlblock(rblock);
modify_port1:
mutex_unlock(&shca->modify_mutex);
return ret;
}
int ehca_error_data(struct ehca_shca *shca, void *data,
u64 resource)
{
unsigned long ret;
u64 *rblock;
unsigned long block_count;
rblock = ehca_alloc_fw_ctrlblock(GFP_ATOMIC);
if (!rblock) {
ehca_err(&shca->ib_device, "Cannot allocate rblock memory.");
ret = -ENOMEM;
goto error_data1;
}
/* rblock must be 4K aligned and should be 4K large */
ret = hipz_h_error_data(shca->ipz_hca_handle,
resource,
rblock,
&block_count);
if (ret == H_R_STATE)
ehca_err(&shca->ib_device,
"No error data is available: %llx.", resource);
else if (ret == H_SUCCESS) {
int length;
length = EHCA_BMASK_GET(ERROR_DATA_LENGTH, rblock[0]);
if (length > EHCA_PAGESIZE)
length = EHCA_PAGESIZE;
print_error_data(shca, data, rblock, length);
} else
ehca_err(&shca->ib_device,
"Error data could not be fetched: %llx", resource);
ehca_free_fw_ctrlblock(rblock);
error_data1:
return ret;
}
int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw)
{
int i, ret = 0;
struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
ib_device);
struct hipz_query_hca *rblock;
static const u32 cap_mapping[] = {
IB_DEVICE_RESIZE_MAX_WR, HCA_CAP_WQE_RESIZE,
IB_DEVICE_BAD_PKEY_CNTR, HCA_CAP_BAD_P_KEY_CTR,
IB_DEVICE_BAD_QKEY_CNTR, HCA_CAP_Q_KEY_VIOL_CTR,
IB_DEVICE_RAW_MULTI, HCA_CAP_RAW_PACKET_MCAST,
IB_DEVICE_AUTO_PATH_MIG, HCA_CAP_AUTO_PATH_MIG,
IB_DEVICE_CHANGE_PHY_PORT, HCA_CAP_SQD_RTS_PORT_CHANGE,
IB_DEVICE_UD_AV_PORT_ENFORCE, HCA_CAP_AH_PORT_NR_CHECK,
IB_DEVICE_CURR_QP_STATE_MOD, HCA_CAP_CUR_QP_STATE_MOD,
IB_DEVICE_SHUTDOWN_PORT, HCA_CAP_SHUTDOWN_PORT,
IB_DEVICE_INIT_TYPE, HCA_CAP_INIT_TYPE,
IB_DEVICE_PORT_ACTIVE_EVENT, HCA_CAP_PORT_ACTIVE_EVENT,
};
if (uhw->inlen || uhw->outlen)
return -EINVAL;
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
return -ENOMEM;
}
if (hipz_h_query_hca(shca->ipz_hca_handle, rblock) != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query device properties");
ret = -EINVAL;
goto query_device1;
}
memset(props, 0, sizeof(struct ib_device_attr));
props->page_size_cap = shca->hca_cap_mr_pgsize;
props->fw_ver = rblock->hw_ver;
props->max_mr_size = rblock->max_mr_size;
props->vendor_id = rblock->vendor_id >> 8;
props->vendor_part_id = rblock->vendor_part_id >> 16;
props->hw_ver = rblock->hw_ver;
props->max_qp = limit_uint(rblock->max_qp);
props->max_qp_wr = limit_uint(rblock->max_wqes_wq);
props->max_sge = limit_uint(rblock->max_sge);
props->max_sge_rd = limit_uint(rblock->max_sge_rd);
props->max_cq = limit_uint(rblock->max_cq);
props->max_cqe = limit_uint(rblock->max_cqe);
props->max_mr = limit_uint(rblock->max_mr);
props->max_mw = limit_uint(rblock->max_mw);
props->max_pd = limit_uint(rblock->max_pd);
props->max_ah = limit_uint(rblock->max_ah);
props->max_ee = limit_uint(rblock->max_rd_ee_context);
props->max_rdd = limit_uint(rblock->max_rd_domain);
props->max_fmr = limit_uint(rblock->max_mr);
props->max_qp_rd_atom = limit_uint(rblock->max_rr_qp);
props->max_ee_rd_atom = limit_uint(rblock->max_rr_ee_context);
props->max_res_rd_atom = limit_uint(rblock->max_rr_hca);
props->max_qp_init_rd_atom = limit_uint(rblock->max_act_wqs_qp);
props->max_ee_init_rd_atom = limit_uint(rblock->max_act_wqs_ee_context);
if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) {
props->max_srq = limit_uint(props->max_qp);
props->max_srq_wr = limit_uint(props->max_qp_wr);
props->max_srq_sge = 3;
}
props->max_pkeys = 16;
/* Some FW versions say 0 here; insert sensible value in that case */
props->local_ca_ack_delay = rblock->local_ca_ack_delay ?
min_t(u8, rblock->local_ca_ack_delay, 255) : 12;
props->max_raw_ipv6_qp = limit_uint(rblock->max_raw_ipv6_qp);
props->max_raw_ethy_qp = limit_uint(rblock->max_raw_ethy_qp);
props->max_mcast_grp = limit_uint(rblock->max_mcast_grp);
props->max_mcast_qp_attach = limit_uint(rblock->max_mcast_qp_attach);
props->max_total_mcast_qp_attach
= limit_uint(rblock->max_total_mcast_qp_attach);
/* translate device capabilities */
props->device_cap_flags = IB_DEVICE_SYS_IMAGE_GUID |
IB_DEVICE_RC_RNR_NAK_GEN | IB_DEVICE_N_NOTIFY_CQ;
for (i = 0; i < ARRAY_SIZE(cap_mapping); i += 2)
if (rblock->hca_cap_indicators & cap_mapping[i + 1])
props->device_cap_flags |= cap_mapping[i];
query_device1:
ehca_free_fw_ctrlblock(rblock);
return ret;
}
int ehca_query_port(struct ib_device *ibdev,
u8 port, struct ib_port_attr *props)
{
int ret = 0;
u64 h_ret;
struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
ib_device);
struct hipz_query_port *rblock;
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
return -ENOMEM;
}
h_ret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock);
if (h_ret != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query port properties");
ret = -EINVAL;
goto query_port1;
}
memset(props, 0, sizeof(struct ib_port_attr));
props->active_mtu = props->max_mtu = map_mtu(shca, rblock->max_mtu);
props->port_cap_flags = rblock->capability_mask;
props->gid_tbl_len = rblock->gid_tbl_len;
if (rblock->max_msg_sz)
props->max_msg_sz = rblock->max_msg_sz;
else
props->max_msg_sz = 0x1 << 31;
props->bad_pkey_cntr = rblock->bad_pkey_cntr;
props->qkey_viol_cntr = rblock->qkey_viol_cntr;
props->pkey_tbl_len = rblock->pkey_tbl_len;
props->lid = rblock->lid;
props->sm_lid = rblock->sm_lid;
props->lmc = rblock->lmc;
props->sm_sl = rblock->sm_sl;
props->subnet_timeout = rblock->subnet_timeout;
props->init_type_reply = rblock->init_type_reply;
props->max_vl_num = map_number_of_vls(shca, rblock->vl_cap);
if (rblock->state && rblock->phys_width) {
props->phys_state = rblock->phys_pstate;
props->state = rblock->phys_state;
props->active_width = rblock->phys_width;
props->active_speed = rblock->phys_speed;
} else {
/* old firmware releases don't report physical
* port info, so use default values
*/
props->phys_state = 5;
props->state = rblock->state;
props->active_width = IB_WIDTH_12X;
props->active_speed = IB_SPEED_SDR;
}
query_port1:
ehca_free_fw_ctrlblock(rblock);
return ret;
}
int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
{
int i, ret = 0;
struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
ib_device);
struct hipz_query_hca *rblock;
static const u32 cap_mapping[] = {
IB_DEVICE_RESIZE_MAX_WR, HCA_CAP_WQE_RESIZE,
IB_DEVICE_BAD_PKEY_CNTR, HCA_CAP_BAD_P_KEY_CTR,
IB_DEVICE_BAD_QKEY_CNTR, HCA_CAP_Q_KEY_VIOL_CTR,
IB_DEVICE_RAW_MULTI, HCA_CAP_RAW_PACKET_MCAST,
IB_DEVICE_AUTO_PATH_MIG, HCA_CAP_AUTO_PATH_MIG,
IB_DEVICE_CHANGE_PHY_PORT, HCA_CAP_SQD_RTS_PORT_CHANGE,
IB_DEVICE_UD_AV_PORT_ENFORCE, HCA_CAP_AH_PORT_NR_CHECK,
IB_DEVICE_CURR_QP_STATE_MOD, HCA_CAP_CUR_QP_STATE_MOD,
IB_DEVICE_SHUTDOWN_PORT, HCA_CAP_SHUTDOWN_PORT,
IB_DEVICE_INIT_TYPE, HCA_CAP_INIT_TYPE,
IB_DEVICE_PORT_ACTIVE_EVENT, HCA_CAP_PORT_ACTIVE_EVENT,
};
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
return -ENOMEM;
}
if (hipz_h_query_hca(shca->ipz_hca_handle, rblock) != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query device properties");
ret = -EINVAL;
goto query_device1;
}
memset(props, 0, sizeof(struct ib_device_attr));
props->fw_ver = rblock->hw_ver;
props->max_mr_size = rblock->max_mr_size;
props->vendor_id = rblock->vendor_id >> 8;
props->vendor_part_id = rblock->vendor_part_id >> 16;
props->hw_ver = rblock->hw_ver;
props->max_qp = min_t(int, rblock->max_qp, INT_MAX);
props->max_qp_wr = min_t(int, rblock->max_wqes_wq, INT_MAX);
props->max_sge = min_t(int, rblock->max_sge, INT_MAX);
props->max_sge_rd = min_t(int, rblock->max_sge_rd, INT_MAX);
props->max_cq = min_t(int, rblock->max_cq, INT_MAX);
props->max_cqe = min_t(int, rblock->max_cqe, INT_MAX);
props->max_mr = min_t(int, rblock->max_mr, INT_MAX);
props->max_mw = min_t(int, rblock->max_mw, INT_MAX);
props->max_pd = min_t(int, rblock->max_pd, INT_MAX);
props->max_ah = min_t(int, rblock->max_ah, INT_MAX);
props->max_fmr = min_t(int, rblock->max_mr, INT_MAX);
if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) {
props->max_srq = props->max_qp;
props->max_srq_wr = props->max_qp_wr;
props->max_srq_sge = 3;
}
props->max_pkeys = 16;
props->local_ca_ack_delay
= rblock->local_ca_ack_delay;
props->max_raw_ipv6_qp
= min_t(int, rblock->max_raw_ipv6_qp, INT_MAX);
props->max_raw_ethy_qp
= min_t(int, rblock->max_raw_ethy_qp, INT_MAX);
props->max_mcast_grp
= min_t(int, rblock->max_mcast_grp, INT_MAX);
props->max_mcast_qp_attach
= min_t(int, rblock->max_mcast_qp_attach, INT_MAX);
props->max_total_mcast_qp_attach
= min_t(int, rblock->max_total_mcast_qp_attach, INT_MAX);
/* translate device capabilities */
props->device_cap_flags = IB_DEVICE_SYS_IMAGE_GUID |
IB_DEVICE_RC_RNR_NAK_GEN | IB_DEVICE_N_NOTIFY_CQ;
for (i = 0; i < ARRAY_SIZE(cap_mapping); i += 2)
if (rblock->hca_cap_indicators & cap_mapping[i + 1])
props->device_cap_flags |= cap_mapping[i];
query_device1:
ehca_free_fw_ctrlblock(rblock);
return ret;
}
int ehca_query_port(struct ib_device *ibdev,
u8 port, struct ib_port_attr *props)
{
int ret = 0;
u64 h_ret;
struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
ib_device);
struct hipz_query_port *rblock;
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
return -ENOMEM;
}
h_ret = hipz_h_query_port(shca->ipz_hca_handle, port, rblock);
if (h_ret != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query port properties");
ret = -EINVAL;
goto query_port1;
}
memset(props, 0, sizeof(struct ib_port_attr));
props->state = rblock->state;
switch (rblock->max_mtu) {
case 0x1:
props->active_mtu = props->max_mtu = IB_MTU_256;
break;
case 0x2:
props->active_mtu = props->max_mtu = IB_MTU_512;
break;
case 0x3:
props->active_mtu = props->max_mtu = IB_MTU_1024;
break;
case 0x4:
props->active_mtu = props->max_mtu = IB_MTU_2048;
break;
case 0x5:
props->active_mtu = props->max_mtu = IB_MTU_4096;
break;
default:
ehca_err(&shca->ib_device, "Unknown MTU size: %x.",
rblock->max_mtu);
break;
}
props->port_cap_flags = rblock->capability_mask;
props->gid_tbl_len = rblock->gid_tbl_len;
props->max_msg_sz = rblock->max_msg_sz;
props->bad_pkey_cntr = rblock->bad_pkey_cntr;
props->qkey_viol_cntr = rblock->qkey_viol_cntr;
props->pkey_tbl_len = rblock->pkey_tbl_len;
props->lid = rblock->lid;
props->sm_lid = rblock->sm_lid;
props->lmc = rblock->lmc;
props->sm_sl = rblock->sm_sl;
props->subnet_timeout = rblock->subnet_timeout;
props->init_type_reply = rblock->init_type_reply;
props->active_width = IB_WIDTH_12X;
props->active_speed = 0x1;
/* at the moment (logical) link state is always LINK_UP */
props->phys_state = 0x5;
query_port1:
ehca_free_fw_ctrlblock(rblock);
return ret;
}