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[hermon] Change hermon_alloc_icm() to conform to ConnectX2 requirements

Align each ICM member alloc to the member size instead of page size.
Increase multicast table size to 128.

Signed-off-by: Itay Gazit <itaygazit@gmail.com>
Signed-off-by: Marty Connor <mdc@etherboot.org>
tags/v1.20.1
Itay Gazit 14 years ago
parent
commit
5e70e856ff
1 changed files with 58 additions and 16 deletions
  1. 58
    16
      src/drivers/infiniband/hermon.c

+ 58
- 16
src/drivers/infiniband/hermon.c View File

@@ -2205,6 +2205,28 @@ static size_t icm_usage ( unsigned int log_num_entries, size_t entry_size ) {
2205 2205
 	return usage;
2206 2206
 }
2207 2207
 
2208
+/**
2209
+ * Align ICM
2210
+ *
2211
+ * @v member_size		Member size
2212
+ * @v cur_icm_offset	Current ICM offset
2213
+ * @ret align_offset	Align to offset
2214
+ */
2215
+static size_t icm_align ( u32 member_size,
2216
+						  u64 cur_icm_offset ) {
2217
+	size_t	align_offset = 0;
2218
+
2219
+	member_size = member_size & 0xfffff000;
2220
+	if ( member_size ) {
2221
+		while ( ( cur_icm_offset + align_offset ) % member_size ) {
2222
+			align_offset += HERMON_PAGE_SIZE;
2223
+		}
2224
+	}
2225
+
2226
+	return align_offset;
2227
+}
2228
+
2229
+
2208 2230
 /**
2209 2231
  * Allocate ICM
2210 2232
  *
@@ -2217,6 +2239,7 @@ static int hermon_alloc_icm ( struct hermon *hermon,
2217 2239
 	struct hermonprm_scalar_parameter icm_size;
2218 2240
 	struct hermonprm_scalar_parameter icm_aux_size;
2219 2241
 	uint64_t icm_offset = 0;
2242
+	u32 icm_member_size = 0;
2220 2243
 	unsigned int log_num_qps, log_num_srqs, log_num_cqs, log_num_eqs;
2221 2244
 	unsigned int log_num_mtts, log_num_mpts;
2222 2245
 	size_t cmpt_max_len;
@@ -2262,6 +2285,8 @@ static int hermon_alloc_icm ( struct hermon *hermon,
2262 2285
 	hermon->icm_map[HERMON_ICM_OTHER].offset = icm_offset;
2263 2286
 
2264 2287
 	/* Queue pair contexts */
2288
+	icm_member_size = icm_usage ( log_num_qps, hermon->cap.qpc_entry_size );
2289
+	icm_offset += icm_align ( icm_member_size, icm_offset );
2265 2290
 	MLX_FILL_1 ( init_hca, 12,
2266 2291
 		     qpc_eec_cqc_eqc_rdb_parameters.qpc_base_addr_h,
2267 2292
 		     ( icm_offset >> 32 ) );
@@ -2271,9 +2296,12 @@ static int hermon_alloc_icm ( struct hermon *hermon,
2271 2296
 		     qpc_eec_cqc_eqc_rdb_parameters.log_num_of_qp,
2272 2297
 		     log_num_qps );
2273 2298
 	DBGC ( hermon, "Hermon %p ICM QPC base = %llx\n", hermon, icm_offset );
2274
-	icm_offset += icm_usage ( log_num_qps, hermon->cap.qpc_entry_size );
2299
+	icm_offset += icm_member_size;
2275 2300
 
2276 2301
 	/* Extended alternate path contexts */
2302
+	icm_member_size = icm_usage ( log_num_qps,
2303
+				  hermon->cap.altc_entry_size );
2304
+	icm_offset += icm_align ( icm_member_size, icm_offset );
2277 2305
 	MLX_FILL_1 ( init_hca, 24,
2278 2306
 		     qpc_eec_cqc_eqc_rdb_parameters.altc_base_addr_h,
2279 2307
 		     ( icm_offset >> 32 ) );
@@ -2281,10 +2309,12 @@ static int hermon_alloc_icm ( struct hermon *hermon,
2281 2309
 		     qpc_eec_cqc_eqc_rdb_parameters.altc_base_addr_l,
2282 2310
 		     icm_offset );
2283 2311
 	DBGC ( hermon, "Hermon %p ICM ALTC base = %llx\n", hermon, icm_offset);
2284
-	icm_offset += icm_usage ( log_num_qps,
2285
-				  hermon->cap.altc_entry_size );
2312
+	icm_offset += icm_member_size;
2286 2313
 
2287 2314
 	/* Extended auxiliary contexts */
2315
+	icm_member_size = icm_usage ( log_num_qps,
2316
+				  hermon->cap.auxc_entry_size );
2317
+	icm_offset += icm_align ( icm_member_size, icm_offset );
2288 2318
 	MLX_FILL_1 ( init_hca, 28,
2289 2319
 		     qpc_eec_cqc_eqc_rdb_parameters.auxc_base_addr_h,
2290 2320
 		     ( icm_offset >> 32 ) );
@@ -2292,10 +2322,11 @@ static int hermon_alloc_icm ( struct hermon *hermon,
2292 2322
 		     qpc_eec_cqc_eqc_rdb_parameters.auxc_base_addr_l,
2293 2323
 		     icm_offset );
2294 2324
 	DBGC ( hermon, "Hermon %p ICM AUXC base = %llx\n", hermon, icm_offset);
2295
-	icm_offset += icm_usage ( log_num_qps,
2296
-				  hermon->cap.auxc_entry_size );
2297
-
2325
+	icm_offset += icm_member_size;
2298 2326
 	/* Shared receive queue contexts */
2327
+	icm_member_size = icm_usage ( log_num_srqs,
2328
+				  hermon->cap.srqc_entry_size );
2329
+	icm_offset += icm_align ( icm_member_size, icm_offset );
2299 2330
 	MLX_FILL_1 ( init_hca, 18,
2300 2331
 		     qpc_eec_cqc_eqc_rdb_parameters.srqc_base_addr_h,
2301 2332
 		     ( icm_offset >> 32 ) );
@@ -2305,10 +2336,11 @@ static int hermon_alloc_icm ( struct hermon *hermon,
2305 2336
 		     qpc_eec_cqc_eqc_rdb_parameters.log_num_of_srq,
2306 2337
 		     log_num_srqs );
2307 2338
 	DBGC ( hermon, "Hermon %p ICM SRQC base = %llx\n", hermon, icm_offset);
2308
-	icm_offset += icm_usage ( log_num_srqs,
2309
-				  hermon->cap.srqc_entry_size );
2339
+	icm_offset += icm_member_size;
2310 2340
 
2311 2341
 	/* Completion queue contexts */
2342
+	icm_member_size = icm_usage ( log_num_cqs, hermon->cap.cqc_entry_size );
2343
+	icm_offset += icm_align ( icm_member_size, icm_offset );
2312 2344
 	MLX_FILL_1 ( init_hca, 20,
2313 2345
 		     qpc_eec_cqc_eqc_rdb_parameters.cqc_base_addr_h,
2314 2346
 		     ( icm_offset >> 32 ) );
@@ -2318,9 +2350,11 @@ static int hermon_alloc_icm ( struct hermon *hermon,
2318 2350
 		     qpc_eec_cqc_eqc_rdb_parameters.log_num_of_cq,
2319 2351
 		     log_num_cqs );
2320 2352
 	DBGC ( hermon, "Hermon %p ICM CQC base = %llx\n", hermon, icm_offset );
2321
-	icm_offset += icm_usage ( log_num_cqs, hermon->cap.cqc_entry_size );
2353
+	icm_offset += icm_member_size;
2322 2354
 
2323 2355
 	/* Event queue contexts */
2356
+	icm_member_size = icm_usage ( log_num_eqs, hermon->cap.eqc_entry_size );
2357
+	icm_offset += icm_align ( icm_member_size, icm_offset );
2324 2358
 	MLX_FILL_1 ( init_hca, 32,
2325 2359
 		     qpc_eec_cqc_eqc_rdb_parameters.eqc_base_addr_h,
2326 2360
 		     ( icm_offset >> 32 ) );
@@ -2330,19 +2364,24 @@ static int hermon_alloc_icm ( struct hermon *hermon,
2330 2364
 		     qpc_eec_cqc_eqc_rdb_parameters.log_num_of_eq,
2331 2365
 		     log_num_eqs );
2332 2366
 	DBGC ( hermon, "Hermon %p ICM EQC base = %llx\n", hermon, icm_offset );
2333
-	icm_offset += icm_usage ( log_num_eqs, hermon->cap.eqc_entry_size );
2367
+	icm_offset += icm_member_size;
2334 2368
 
2335 2369
 	/* Memory translation table */
2370
+	icm_member_size = icm_usage ( log_num_mtts,
2371
+				  hermon->cap.mtt_entry_size );
2372
+	icm_offset += icm_align ( icm_member_size, icm_offset );
2336 2373
 	MLX_FILL_1 ( init_hca, 64,
2337 2374
 		     tpt_parameters.mtt_base_addr_h, ( icm_offset >> 32 ) );
2338 2375
 	MLX_FILL_1 ( init_hca, 65,
2339 2376
 		     tpt_parameters.mtt_base_addr_l, icm_offset );
2340 2377
 	DBGC ( hermon, "Hermon %p ICM MTT base = %llx\n", hermon, icm_offset );
2341
-	icm_offset += icm_usage ( log_num_mtts,
2342
-				  hermon->cap.mtt_entry_size );
2378
+	icm_offset += icm_member_size;
2343 2379
 
2344 2380
 	/* Memory protection table */
2345 2381
 	log_num_mpts = fls ( hermon->cap.reserved_mrws + 1 - 1 );
2382
+	icm_member_size = icm_usage ( log_num_mpts,
2383
+				  hermon->cap.dmpt_entry_size );
2384
+	icm_offset += icm_align ( icm_member_size, icm_offset );
2346 2385
 	MLX_FILL_1 ( init_hca, 60,
2347 2386
 		     tpt_parameters.dmpt_base_adr_h, ( icm_offset >> 32 ) );
2348 2387
 	MLX_FILL_1 ( init_hca, 61,
@@ -2354,6 +2393,9 @@ static int hermon_alloc_icm ( struct hermon *hermon,
2354 2393
 				  hermon->cap.dmpt_entry_size );
2355 2394
 
2356 2395
 	/* Multicast table */
2396
+	icm_member_size = ( ( 128 * sizeof ( struct hermonprm_mcg_entry ) +
2397
+						 HERMON_PAGE_SIZE - 1 ) & ~( HERMON_PAGE_SIZE - 1 ) );
2398
+	icm_offset += icm_align ( icm_member_size, icm_offset );
2357 2399
 	MLX_FILL_1 ( init_hca, 48,
2358 2400
 		     multicast_parameters.mc_base_addr_h,
2359 2401
 		     ( icm_offset >> 32 ) );
@@ -2363,12 +2405,12 @@ static int hermon_alloc_icm ( struct hermon *hermon,
2363 2405
 		     multicast_parameters.log_mc_table_entry_sz,
2364 2406
 		     fls ( sizeof ( struct hermonprm_mcg_entry ) - 1 ) );
2365 2407
 	MLX_FILL_1 ( init_hca, 53,
2366
-		     multicast_parameters.log_mc_table_hash_sz, 3 );
2408
+		     multicast_parameters.log_mc_table_hash_sz, 7 );
2367 2409
 	MLX_FILL_1 ( init_hca, 54,
2368
-		     multicast_parameters.log_mc_table_sz, 3 );
2410
+		     multicast_parameters.log_mc_table_sz, 7 );
2369 2411
 	DBGC ( hermon, "Hermon %p ICM MC base = %llx\n", hermon, icm_offset );
2370
-	icm_offset += ( ( 8 * sizeof ( struct hermonprm_mcg_entry ) +
2371
-			  HERMON_PAGE_SIZE - 1 ) & ~( HERMON_PAGE_SIZE - 1 ) );
2412
+	icm_offset += icm_member_size;
2413
+
2372 2414
 
2373 2415
 	hermon->icm_map[HERMON_ICM_OTHER].len =
2374 2416
 		( icm_offset - hermon->icm_map[HERMON_ICM_OTHER].offset );

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