dev/mthca/mthca_av.c

156 		    struct mthca_ah *ah)
161 	ah->type = MTHCA_AH_PCI_POOL;
164 		ah->av   = kmalloc(sizeof *ah->av, GFP_ATOMIC);
165 		if (!ah->av)
168 		ah->type = MTHCA_AH_KMALLOC;
169 		av       = ah->av;
182 		ah->type = MTHCA_AH_ON_HCA;
183 		ah->avdma  = dev->av_table.ddr_av_base +
188 	if (ah->type == MTHCA_AH_PCI_POOL) {
189 		ah->av = pci_pool_alloc(dev->av_table.pool,
190 					GFP_ATOMIC, &ah->avdma);
191 		if (!ah->av)
194 		av = ah->av;
197 	ah->key = pd->ntmr.ibmr.lkey;
225 			  av, (unsigned long) ah->avdma);
231 	if (ah->type == MTHCA_AH_ON_HCA) {
240 int mthca_destroy_ah(struct mthca_dev *dev, struct mthca_ah *ah)
242 	switch (ah->type) {
245 			   (ah->avdma - dev->av_table.ddr_av_base) /
250 		pci_pool_free(dev->av_table.pool, ah->av, ah->avdma);
254 		kfree(ah->av);
261 int mthca_ah_grh_present(struct mthca_ah *ah)
263 	return !!(ah->av->g_slid & 0x80);
266 int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
269 	if (ah->type == MTHCA_AH_ON_HCA)
272 	header->lrh.service_level   = be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 28;
273 	header->lrh.destination_lid = ah->av->dlid;
274 	header->lrh.source_lid      = cpu_to_be16(ah->av->g_slid & 0x7f);
275 	if (mthca_ah_grh_present(ah)) {
277 			(be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 20) & 0xff;
279 			ah->av->sl_tclass_flowlabel & cpu_to_be32(0xfffff);
280 		header->grh.hop_limit     = ah->av->hop_limit;
282 				  be32_to_cpu(ah->av->port_pd) >> 24,
283 				  ah->av->gid_index % dev->limits.gid_table_len,
286 		       ah->av->dgid, 16);
294 	struct mthca_ah *ah   = to_mah(ibah);
297 	/* Only implement for MAD and memfree ah for now. */
298 	if (ah->type == MTHCA_AH_ON_HCA)
302 	attr->dlid          = be16_to_cpu(ah->av->dlid);
303 	attr->sl            = be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 28;
304 	attr->port_num      = be32_to_cpu(ah->av->port_pd) >> 24;
305 	attr->static_rate   = mthca_rate_to_ib(dev, ah->av->msg_sr & 0x7,
307 	attr->src_path_bits = ah->av->g_slid & 0x7F;
308 	attr->ah_flags      = mthca_ah_grh_present(ah) ? IB_AH_GRH : 0;
312 			be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 20;
314 			be32_to_cpu(ah->av->sl_tclass_flowlabel) & 0xfffff;
315 		attr->grh.hop_limit  = ah->av->hop_limit;
316 		attr->grh.sgid_index = ah->av->gid_index &
318 		memcpy(attr->grh.dgid.raw, ah->av->dgid, 16);