#ifdef CONFIG_PPC_64K_PAGES
#include <linux/slab.h>
#endif
+
#include "ehca_classes.h"
#include "ehca_iverbs.h"
#include "ehca_mrmw.h"
#include "ehca_tools.h"
#include "hcp_if.h"
-#define HCAD_VERSION "0024"
+#define HCAD_VERSION "0025"
MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>");
int ehca_poll_all_eqs = 1;
int ehca_static_rate = -1;
int ehca_scaling_code = 0;
-int ehca_mr_largepage = 0;
+int ehca_mr_largepage = 1;
+int ehca_lock_hcalls = -1;
module_param_named(open_aqp1, ehca_open_aqp1, int, S_IRUGO);
module_param_named(debug_level, ehca_debug_level, int, S_IRUGO);
module_param_named(static_rate, ehca_static_rate, int, S_IRUGO);
module_param_named(scaling_code, ehca_scaling_code, int, S_IRUGO);
module_param_named(mr_largepage, ehca_mr_largepage, int, S_IRUGO);
+module_param_named(lock_hcalls, ehca_lock_hcalls, bool, S_IRUGO);
MODULE_PARM_DESC(open_aqp1,
"AQP1 on startup (0: no (default), 1: yes)");
"hardware level"
" (0: autosensing (default), 1: v. 0.20, 2: v. 0.21)");
MODULE_PARM_DESC(nr_ports,
- "number of connected ports (default: 2)");
+ "number of connected ports (-1: autodetect, 1: port one only, "
+ "2: two ports (default)");
MODULE_PARM_DESC(use_hp_mr,
"high performance MRs (0: no (default), 1: yes)");
MODULE_PARM_DESC(port_act_time,
MODULE_PARM_DESC(mr_largepage,
"use large page for MR (0: use PAGE_SIZE (default), "
"1: use large page depending on MR size");
+MODULE_PARM_DESC(lock_hcalls,
+ "serialize all hCalls made by the driver "
+ "(default: autodetect)");
DEFINE_RWLOCK(ehca_qp_idr_lock);
DEFINE_RWLOCK(ehca_cq_idr_lock);
{ 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" },
+ { HCA_CAP_H_ALLOC_RES_SYNC, "HCA_CAP_H_ALLOC_RES_SYNC" },
};
-int ehca_sense_attributes(struct ehca_shca *shca)
+static int ehca_sense_attributes(struct ehca_shca *shca)
{
int i, ret = 0;
u64 h_ret;
struct hipz_query_hca *rblock;
struct hipz_query_port *port;
+ static const u32 pgsize_map[] = {
+ HCA_CAP_MR_PGSIZE_4K, 0x1000,
+ HCA_CAP_MR_PGSIZE_64K, 0x10000,
+ HCA_CAP_MR_PGSIZE_1M, 0x100000,
+ HCA_CAP_MR_PGSIZE_16M, 0x1000000,
+ };
+
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_gen_err("Cannot allocate rblock memory.");
shca->hw_level = ehca_hw_level;
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;
-
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);
- shca->hca_cap_mr_pgsize = rblock->memory_page_size_supported;
+ /* Autodetect hCall locking -- the "H_ALLOC_RESOURCE synced" flag is
+ * a firmware property, so it's valid across all adapters
+ */
+ if (ehca_lock_hcalls == -1)
+ ehca_lock_hcalls = !(shca->hca_cap & HCA_CAP_H_ALLOC_RES_SYNC);
+ /* translate supported MR page sizes; always support 4K */
+ shca->hca_cap_mr_pgsize = EHCA_PAGESIZE;
+ if (ehca_mr_largepage) { /* support extra sizes only if enabled */
+ for (i = 0; i < ARRAY_SIZE(pgsize_map); i += 2)
+ if (rblock->memory_page_size_supported & pgsize_map[i])
+ shca->hca_cap_mr_pgsize |= pgsize_map[i + 1];
+ }
+
+ /* query max MTU from first port -- it's the same for all ports */
port = (struct hipz_query_port *)rblock;
h_ret = hipz_h_query_port(shca->ipz_hca_handle, 1, port);
if (h_ret != H_SUCCESS) {
shca->ib_device.dealloc_fmr = ehca_dealloc_fmr;
shca->ib_device.attach_mcast = ehca_attach_mcast;
shca->ib_device.detach_mcast = ehca_detach_mcast;
- /* shca->ib_device.process_mad = ehca_process_mad; */
+ shca->ib_device.process_mad = ehca_process_mad;
shca->ib_device.mmap = ehca_mmap;
if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) {
}
sport->ibcq_aqp1 = ibcq;
- if (sport->ibqp_aqp1) {
+ if (sport->ibqp_sqp[IB_QPT_GSI]) {
ehca_err(&shca->ib_device, "AQP1 QP is already created.");
ret = -EPERM;
goto create_aqp1;
ret = PTR_ERR(ibqp);
goto create_aqp1;
}
- sport->ibqp_aqp1 = ibqp;
+ sport->ibqp_sqp[IB_QPT_GSI] = ibqp;
return 0;
{
int ret;
- ret = ib_destroy_qp(sport->ibqp_aqp1);
+ ret = ib_destroy_qp(sport->ibqp_sqp[IB_QPT_GSI]);
if (ret) {
ehca_gen_err("Cannot destroy AQP1 QP. ret=%i", ret);
return ret;
.attrs = ehca_drv_attrs
};
+static struct attribute_group *ehca_drv_attr_groups[] = {
+ &ehca_drv_attr_grp,
+ NULL,
+};
+
#define EHCA_RESOURCE_ATTR(name) \
static ssize_t ehca_show_##name(struct device *dev, \
struct device_attribute *attr, \
struct ehca_shca *shca;
const u64 *handle;
struct ib_pd *ibpd;
- int ret;
+ int ret, i;
handle = of_get_property(dev->node, "ibm,hca-handle", NULL);
if (!handle) {
return -ENOMEM;
}
mutex_init(&shca->modify_mutex);
+ for (i = 0; i < ARRAY_SIZE(shca->sport); i++)
+ spin_lock_init(&shca->sport[i].mod_sqp_lock);
shca->ofdev = dev;
shca->ipz_hca_handle.handle = *handle;
.match_table = ehca_device_table,
.probe = ehca_probe,
.remove = ehca_remove,
+ .driver = {
+ .groups = ehca_drv_attr_groups,
+ },
};
void ehca_poll_eqs(unsigned long data)
ehca_process_eq(shca, 0);
}
}
- mod_timer(&poll_eqs_timer, jiffies + HZ);
+ mod_timer(&poll_eqs_timer, round_jiffies(jiffies + HZ));
spin_unlock(&shca_list_lock);
}
goto module_init2;
}
- ret = sysfs_create_group(&ehca_driver.driver.kobj, &ehca_drv_attr_grp);
- if (ret) /* only complain; we can live without attributes */
- ehca_gen_err("Cannot create driver attributes ret=%d", ret);
-
if (ehca_poll_all_eqs != 1) {
ehca_gen_err("WARNING!!!");
ehca_gen_err("It is possible to lose interrupts.");
if (ehca_poll_all_eqs == 1)
del_timer_sync(&poll_eqs_timer);
- sysfs_remove_group(&ehca_driver.driver.kobj, &ehca_drv_attr_grp);
ibmebus_unregister_driver(&ehca_driver);
ehca_destroy_slab_caches();
projects / linux-2.6-omap-h63xx.git / blobdiff