net/mlx4/profile.c

84 	struct mlx4_resource *profile;
88 	profile = kcalloc(MLX4_RES_NUM, sizeof(*profile), GFP_KERNEL);
89 	if (!profile)
92 	profile[MLX4_RES_QP].size     = dev_cap->qpc_entry_sz;
93 	profile[MLX4_RES_RDMARC].size = dev_cap->rdmarc_entry_sz;
94 	profile[MLX4_RES_ALTC].size   = dev_cap->altc_entry_sz;
95 	profile[MLX4_RES_AUXC].size   = dev_cap->aux_entry_sz;
96 	profile[MLX4_RES_SRQ].size    = dev_cap->srq_entry_sz;
97 	profile[MLX4_RES_CQ].size     = dev_cap->cqc_entry_sz;
98 	profile[MLX4_RES_EQ].size     = dev_cap->eqc_entry_sz;
99 	profile[MLX4_RES_DMPT].size   = dev_cap->dmpt_entry_sz;
100 	profile[MLX4_RES_CMPT].size   = dev_cap->cmpt_entry_sz;
101 	profile[MLX4_RES_MTT].size    = dev_cap->mtt_entry_sz;
102 	profile[MLX4_RES_MCG].size    = mlx4_get_mgm_entry_size(dev);
104 	profile[MLX4_RES_QP].num      = request->num_qp;
105 	profile[MLX4_RES_RDMARC].num  = request->num_qp * request->rdmarc_per_qp;
106 	profile[MLX4_RES_ALTC].num    = request->num_qp;
107 	profile[MLX4_RES_AUXC].num    = request->num_qp;
108 	profile[MLX4_RES_SRQ].num     = request->num_srq;
109 	profile[MLX4_RES_CQ].num      = request->num_cq;
110 	profile[MLX4_RES_EQ].num      = mlx4_is_mfunc(dev) ?
113 	profile[MLX4_RES_DMPT].num    = request->num_mpt;
114 	profile[MLX4_RES_CMPT].num    = MLX4_NUM_CMPTS;
115 	profile[MLX4_RES_MTT].num     = ((u64)request->num_mtt_segs) *
117 	profile[MLX4_RES_MCG].num     = request->num_mcg;
120 		profile[i].type     = i;
121 		profile[i].num      = roundup_pow_of_two(profile[i].num);
122 		profile[i].log_num  = ilog2(profile[i].num);
123 		profile[i].size    *= profile[i].num;
124 		profile[i].size     = max(profile[i].size, (u64) PAGE_SIZE);
135 			if (profile[j].size > profile[j - 1].size) {
136 				tmp	       = profile[j];
137 				profile[j]     = profile[j - 1];
138 				profile[j - 1] = tmp;
143 		if (profile[i].size) {
144 			profile[i].start = total_size;
145 			total_size	+= profile[i].size;
153 			kfree(profile);
157 		if (profile[i].size)
158 			mlx4_dbg(dev, "  profile[%2d] (%6s): 2^%02d entries @ 0x%10llx, "
160 				 i, res_name[profile[i].type], profile[i].log_num,
161 				 (unsigned long long) profile[i].start,
162 				 (unsigned long long) profile[i].size);
169 		switch (profile[i].type) {
171 			dev->caps.num_qps     = profile[i].num;
172 			init_hca->qpc_base    = profile[i].start;
173 			init_hca->log_num_qps = profile[i].log_num;
177 			     request->num_qp << priv->qp_table.rdmarc_shift < profile[i].num;
181 			priv->qp_table.rdmarc_base   = (u32) profile[i].start;
182 			init_hca->rdmarc_base	     = profile[i].start;
186 			init_hca->altc_base = profile[i].start;
189 			init_hca->auxc_base = profile[i].start;
192 			dev->caps.num_srqs     = profile[i].num;
193 			init_hca->srqc_base    = profile[i].start;
194 			init_hca->log_num_srqs = profile[i].log_num;
197 			dev->caps.num_cqs     = profile[i].num;
198 			init_hca->cqc_base    = profile[i].start;
199 			init_hca->log_num_cqs = profile[i].log_num;
204 			init_hca->eqc_base    = profile[i].start;
208 			dev->caps.num_mpts	= profile[i].num;
209 			priv->mr_table.mpt_base = profile[i].start;
210 			init_hca->dmpt_base	= profile[i].start;
211 			init_hca->log_mpt_sz	= profile[i].log_num;
214 			init_hca->cmpt_base	 = profile[i].start;
217 			dev->caps.num_mtts	 = profile[i].num;
218 			priv->mr_table.mtt_base	 = profile[i].start;
219 			init_hca->mtt_base	 = profile[i].start;
222 			init_hca->mc_base	  = profile[i].start;
225 			init_hca->log_mc_table_sz = profile[i].log_num;
228 				dev->caps.num_mgms = profile[i].num;
231 						profile[i].log_num - 1;
232 				dev->caps.num_mgms = profile[i].num >> 1;
233 				dev->caps.num_amgms = profile[i].num >> 1;
243 	 * of the HCA profile anyway.
247 	kfree(profile);