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path: root/drivers/net/ehea/ehea_qmr.c
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Diffstat (limited to 'drivers/net/ehea/ehea_qmr.c')
-rw-r--r--drivers/net/ehea/ehea_qmr.c89
1 files changed, 45 insertions, 44 deletions
diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c
index 89128b6373e3..cd44bb8017d9 100644
--- a/drivers/net/ehea/ehea_qmr.c
+++ b/drivers/net/ehea/ehea_qmr.c
@@ -26,6 +26,8 @@
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 */ 27 */
28 28
29#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
30
29#include <linux/mm.h> 31#include <linux/mm.h>
30#include <linux/slab.h> 32#include <linux/slab.h>
31#include "ehea.h" 33#include "ehea.h"
@@ -45,7 +47,7 @@ static void *hw_qpageit_get_inc(struct hw_queue *queue)
45 queue->current_q_offset -= queue->pagesize; 47 queue->current_q_offset -= queue->pagesize;
46 retvalue = NULL; 48 retvalue = NULL;
47 } else if (((u64) retvalue) & (EHEA_PAGESIZE-1)) { 49 } else if (((u64) retvalue) & (EHEA_PAGESIZE-1)) {
48 ehea_error("not on pageboundary"); 50 pr_err("not on pageboundary\n");
49 retvalue = NULL; 51 retvalue = NULL;
50 } 52 }
51 return retvalue; 53 return retvalue;
@@ -58,15 +60,15 @@ static int hw_queue_ctor(struct hw_queue *queue, const u32 nr_of_pages,
58 int i, k; 60 int i, k;
59 61
60 if ((pagesize > PAGE_SIZE) || (!pages_per_kpage)) { 62 if ((pagesize > PAGE_SIZE) || (!pages_per_kpage)) {
61 ehea_error("pagesize conflict! kernel pagesize=%d, " 63 pr_err("pagesize conflict! kernel pagesize=%d, ehea pagesize=%d\n",
62 "ehea pagesize=%d", (int)PAGE_SIZE, (int)pagesize); 64 (int)PAGE_SIZE, (int)pagesize);
63 return -EINVAL; 65 return -EINVAL;
64 } 66 }
65 67
66 queue->queue_length = nr_of_pages * pagesize; 68 queue->queue_length = nr_of_pages * pagesize;
67 queue->queue_pages = kmalloc(nr_of_pages * sizeof(void *), GFP_KERNEL); 69 queue->queue_pages = kmalloc(nr_of_pages * sizeof(void *), GFP_KERNEL);
68 if (!queue->queue_pages) { 70 if (!queue->queue_pages) {
69 ehea_error("no mem for queue_pages"); 71 pr_err("no mem for queue_pages\n");
70 return -ENOMEM; 72 return -ENOMEM;
71 } 73 }
72 74
@@ -130,7 +132,7 @@ struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter,
130 132
131 cq = kzalloc(sizeof(*cq), GFP_KERNEL); 133 cq = kzalloc(sizeof(*cq), GFP_KERNEL);
132 if (!cq) { 134 if (!cq) {
133 ehea_error("no mem for cq"); 135 pr_err("no mem for cq\n");
134 goto out_nomem; 136 goto out_nomem;
135 } 137 }
136 138
@@ -147,7 +149,7 @@ struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter,
147 hret = ehea_h_alloc_resource_cq(adapter->handle, &cq->attr, 149 hret = ehea_h_alloc_resource_cq(adapter->handle, &cq->attr,
148 &cq->fw_handle, &cq->epas); 150 &cq->fw_handle, &cq->epas);
149 if (hret != H_SUCCESS) { 151 if (hret != H_SUCCESS) {
150 ehea_error("alloc_resource_cq failed"); 152 pr_err("alloc_resource_cq failed\n");
151 goto out_freemem; 153 goto out_freemem;
152 } 154 }
153 155
@@ -159,7 +161,7 @@ struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter,
159 for (counter = 0; counter < cq->attr.nr_pages; counter++) { 161 for (counter = 0; counter < cq->attr.nr_pages; counter++) {
160 vpage = hw_qpageit_get_inc(&cq->hw_queue); 162 vpage = hw_qpageit_get_inc(&cq->hw_queue);
161 if (!vpage) { 163 if (!vpage) {
162 ehea_error("hw_qpageit_get_inc failed"); 164 pr_err("hw_qpageit_get_inc failed\n");
163 goto out_kill_hwq; 165 goto out_kill_hwq;
164 } 166 }
165 167
@@ -168,9 +170,8 @@ struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter,
168 0, EHEA_CQ_REGISTER_ORIG, 170 0, EHEA_CQ_REGISTER_ORIG,
169 cq->fw_handle, rpage, 1); 171 cq->fw_handle, rpage, 1);
170 if (hret < H_SUCCESS) { 172 if (hret < H_SUCCESS) {
171 ehea_error("register_rpage_cq failed ehea_cq=%p " 173 pr_err("register_rpage_cq failed ehea_cq=%p hret=%llx counter=%i act_pages=%i\n",
172 "hret=%llx counter=%i act_pages=%i", 174 cq, hret, counter, cq->attr.nr_pages);
173 cq, hret, counter, cq->attr.nr_pages);
174 goto out_kill_hwq; 175 goto out_kill_hwq;
175 } 176 }
176 177
@@ -178,14 +179,14 @@ struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter,
178 vpage = hw_qpageit_get_inc(&cq->hw_queue); 179 vpage = hw_qpageit_get_inc(&cq->hw_queue);
179 180
180 if ((hret != H_SUCCESS) || (vpage)) { 181 if ((hret != H_SUCCESS) || (vpage)) {
181 ehea_error("registration of pages not " 182 pr_err("registration of pages not complete hret=%llx\n",
182 "complete hret=%llx\n", hret); 183 hret);
183 goto out_kill_hwq; 184 goto out_kill_hwq;
184 } 185 }
185 } else { 186 } else {
186 if (hret != H_PAGE_REGISTERED) { 187 if (hret != H_PAGE_REGISTERED) {
187 ehea_error("CQ: registration of page failed " 188 pr_err("CQ: registration of page failed hret=%llx\n",
188 "hret=%llx\n", hret); 189 hret);
189 goto out_kill_hwq; 190 goto out_kill_hwq;
190 } 191 }
191 } 192 }
@@ -241,7 +242,7 @@ int ehea_destroy_cq(struct ehea_cq *cq)
241 } 242 }
242 243
243 if (hret != H_SUCCESS) { 244 if (hret != H_SUCCESS) {
244 ehea_error("destroy CQ failed"); 245 pr_err("destroy CQ failed\n");
245 return -EIO; 246 return -EIO;
246 } 247 }
247 248
@@ -259,7 +260,7 @@ struct ehea_eq *ehea_create_eq(struct ehea_adapter *adapter,
259 260
260 eq = kzalloc(sizeof(*eq), GFP_KERNEL); 261 eq = kzalloc(sizeof(*eq), GFP_KERNEL);
261 if (!eq) { 262 if (!eq) {
262 ehea_error("no mem for eq"); 263 pr_err("no mem for eq\n");
263 return NULL; 264 return NULL;
264 } 265 }
265 266
@@ -272,21 +273,21 @@ struct ehea_eq *ehea_create_eq(struct ehea_adapter *adapter,
272 hret = ehea_h_alloc_resource_eq(adapter->handle, 273 hret = ehea_h_alloc_resource_eq(adapter->handle,
273 &eq->attr, &eq->fw_handle); 274 &eq->attr, &eq->fw_handle);
274 if (hret != H_SUCCESS) { 275 if (hret != H_SUCCESS) {
275 ehea_error("alloc_resource_eq failed"); 276 pr_err("alloc_resource_eq failed\n");
276 goto out_freemem; 277 goto out_freemem;
277 } 278 }
278 279
279 ret = hw_queue_ctor(&eq->hw_queue, eq->attr.nr_pages, 280 ret = hw_queue_ctor(&eq->hw_queue, eq->attr.nr_pages,
280 EHEA_PAGESIZE, sizeof(struct ehea_eqe)); 281 EHEA_PAGESIZE, sizeof(struct ehea_eqe));
281 if (ret) { 282 if (ret) {
282 ehea_error("can't allocate eq pages"); 283 pr_err("can't allocate eq pages\n");
283 goto out_freeres; 284 goto out_freeres;
284 } 285 }
285 286
286 for (i = 0; i < eq->attr.nr_pages; i++) { 287 for (i = 0; i < eq->attr.nr_pages; i++) {
287 vpage = hw_qpageit_get_inc(&eq->hw_queue); 288 vpage = hw_qpageit_get_inc(&eq->hw_queue);
288 if (!vpage) { 289 if (!vpage) {
289 ehea_error("hw_qpageit_get_inc failed"); 290 pr_err("hw_qpageit_get_inc failed\n");
290 hret = H_RESOURCE; 291 hret = H_RESOURCE;
291 goto out_kill_hwq; 292 goto out_kill_hwq;
292 } 293 }
@@ -370,7 +371,7 @@ int ehea_destroy_eq(struct ehea_eq *eq)
370 } 371 }
371 372
372 if (hret != H_SUCCESS) { 373 if (hret != H_SUCCESS) {
373 ehea_error("destroy EQ failed"); 374 pr_err("destroy EQ failed\n");
374 return -EIO; 375 return -EIO;
375 } 376 }
376 377
@@ -395,7 +396,7 @@ int ehea_qp_alloc_register(struct ehea_qp *qp, struct hw_queue *hw_queue,
395 for (cnt = 0; cnt < nr_pages; cnt++) { 396 for (cnt = 0; cnt < nr_pages; cnt++) {
396 vpage = hw_qpageit_get_inc(hw_queue); 397 vpage = hw_qpageit_get_inc(hw_queue);
397 if (!vpage) { 398 if (!vpage) {
398 ehea_error("hw_qpageit_get_inc failed"); 399 pr_err("hw_qpageit_get_inc failed\n");
399 goto out_kill_hwq; 400 goto out_kill_hwq;
400 } 401 }
401 rpage = virt_to_abs(vpage); 402 rpage = virt_to_abs(vpage);
@@ -403,7 +404,7 @@ int ehea_qp_alloc_register(struct ehea_qp *qp, struct hw_queue *hw_queue,
403 0, h_call_q_selector, 404 0, h_call_q_selector,
404 qp->fw_handle, rpage, 1); 405 qp->fw_handle, rpage, 1);
405 if (hret < H_SUCCESS) { 406 if (hret < H_SUCCESS) {
406 ehea_error("register_rpage_qp failed"); 407 pr_err("register_rpage_qp failed\n");
407 goto out_kill_hwq; 408 goto out_kill_hwq;
408 } 409 }
409 } 410 }
@@ -432,7 +433,7 @@ struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter,
432 433
433 qp = kzalloc(sizeof(*qp), GFP_KERNEL); 434 qp = kzalloc(sizeof(*qp), GFP_KERNEL);
434 if (!qp) { 435 if (!qp) {
435 ehea_error("no mem for qp"); 436 pr_err("no mem for qp\n");
436 return NULL; 437 return NULL;
437 } 438 }
438 439
@@ -441,7 +442,7 @@ struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter,
441 hret = ehea_h_alloc_resource_qp(adapter->handle, init_attr, pd, 442 hret = ehea_h_alloc_resource_qp(adapter->handle, init_attr, pd,
442 &qp->fw_handle, &qp->epas); 443 &qp->fw_handle, &qp->epas);
443 if (hret != H_SUCCESS) { 444 if (hret != H_SUCCESS) {
444 ehea_error("ehea_h_alloc_resource_qp failed"); 445 pr_err("ehea_h_alloc_resource_qp failed\n");
445 goto out_freemem; 446 goto out_freemem;
446 } 447 }
447 448
@@ -455,7 +456,7 @@ struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter,
455 init_attr->act_wqe_size_enc_sq, adapter, 456 init_attr->act_wqe_size_enc_sq, adapter,
456 0); 457 0);
457 if (ret) { 458 if (ret) {
458 ehea_error("can't register for sq ret=%x", ret); 459 pr_err("can't register for sq ret=%x\n", ret);
459 goto out_freeres; 460 goto out_freeres;
460 } 461 }
461 462
@@ -465,7 +466,7 @@ struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter,
465 init_attr->act_wqe_size_enc_rq1, 466 init_attr->act_wqe_size_enc_rq1,
466 adapter, 1); 467 adapter, 1);
467 if (ret) { 468 if (ret) {
468 ehea_error("can't register for rq1 ret=%x", ret); 469 pr_err("can't register for rq1 ret=%x\n", ret);
469 goto out_kill_hwsq; 470 goto out_kill_hwsq;
470 } 471 }
471 472
@@ -476,7 +477,7 @@ struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter,
476 init_attr->act_wqe_size_enc_rq2, 477 init_attr->act_wqe_size_enc_rq2,
477 adapter, 2); 478 adapter, 2);
478 if (ret) { 479 if (ret) {
479 ehea_error("can't register for rq2 ret=%x", ret); 480 pr_err("can't register for rq2 ret=%x\n", ret);
480 goto out_kill_hwr1q; 481 goto out_kill_hwr1q;
481 } 482 }
482 } 483 }
@@ -488,7 +489,7 @@ struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter,
488 init_attr->act_wqe_size_enc_rq3, 489 init_attr->act_wqe_size_enc_rq3,
489 adapter, 3); 490 adapter, 3);
490 if (ret) { 491 if (ret) {
491 ehea_error("can't register for rq3 ret=%x", ret); 492 pr_err("can't register for rq3 ret=%x\n", ret);
492 goto out_kill_hwr2q; 493 goto out_kill_hwr2q;
493 } 494 }
494 } 495 }
@@ -553,7 +554,7 @@ int ehea_destroy_qp(struct ehea_qp *qp)
553 } 554 }
554 555
555 if (hret != H_SUCCESS) { 556 if (hret != H_SUCCESS) {
556 ehea_error("destroy QP failed"); 557 pr_err("destroy QP failed\n");
557 return -EIO; 558 return -EIO;
558 } 559 }
559 560
@@ -842,7 +843,7 @@ static u64 ehea_reg_mr_section(int top, int dir, int idx, u64 *pt,
842 (hret != H_PAGE_REGISTERED)) { 843 (hret != H_PAGE_REGISTERED)) {
843 ehea_h_free_resource(adapter->handle, mr->handle, 844 ehea_h_free_resource(adapter->handle, mr->handle,
844 FORCE_FREE); 845 FORCE_FREE);
845 ehea_error("register_rpage_mr failed"); 846 pr_err("register_rpage_mr failed\n");
846 return hret; 847 return hret;
847 } 848 }
848 } 849 }
@@ -896,7 +897,7 @@ int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr)
896 897
897 pt = (void *)get_zeroed_page(GFP_KERNEL); 898 pt = (void *)get_zeroed_page(GFP_KERNEL);
898 if (!pt) { 899 if (!pt) {
899 ehea_error("no mem"); 900 pr_err("no mem\n");
900 ret = -ENOMEM; 901 ret = -ENOMEM;
901 goto out; 902 goto out;
902 } 903 }
@@ -906,14 +907,14 @@ int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr)
906 &mr->handle, &mr->lkey); 907 &mr->handle, &mr->lkey);
907 908
908 if (hret != H_SUCCESS) { 909 if (hret != H_SUCCESS) {
909 ehea_error("alloc_resource_mr failed"); 910 pr_err("alloc_resource_mr failed\n");
910 ret = -EIO; 911 ret = -EIO;
911 goto out; 912 goto out;
912 } 913 }
913 914
914 if (!ehea_bmap) { 915 if (!ehea_bmap) {
915 ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE); 916 ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE);
916 ehea_error("no busmap available"); 917 pr_err("no busmap available\n");
917 ret = -EIO; 918 ret = -EIO;
918 goto out; 919 goto out;
919 } 920 }
@@ -929,7 +930,7 @@ int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr)
929 930
930 if (hret != H_SUCCESS) { 931 if (hret != H_SUCCESS) {
931 ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE); 932 ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE);
932 ehea_error("registering mr failed"); 933 pr_err("registering mr failed\n");
933 ret = -EIO; 934 ret = -EIO;
934 goto out; 935 goto out;
935 } 936 }
@@ -952,7 +953,7 @@ int ehea_rem_mr(struct ehea_mr *mr)
952 hret = ehea_h_free_resource(mr->adapter->handle, mr->handle, 953 hret = ehea_h_free_resource(mr->adapter->handle, mr->handle,
953 FORCE_FREE); 954 FORCE_FREE);
954 if (hret != H_SUCCESS) { 955 if (hret != H_SUCCESS) {
955 ehea_error("destroy MR failed"); 956 pr_err("destroy MR failed\n");
956 return -EIO; 957 return -EIO;
957 } 958 }
958 959
@@ -987,14 +988,14 @@ void print_error_data(u64 *data)
987 length = EHEA_PAGESIZE; 988 length = EHEA_PAGESIZE;
988 989
989 if (type == EHEA_AER_RESTYPE_QP) 990 if (type == EHEA_AER_RESTYPE_QP)
990 ehea_error("QP (resource=%llX) state: AER=0x%llX, AERR=0x%llX, " 991 pr_err("QP (resource=%llX) state: AER=0x%llX, AERR=0x%llX, port=%llX\n",
991 "port=%llX", resource, data[6], data[12], data[22]); 992 resource, data[6], data[12], data[22]);
992 else if (type == EHEA_AER_RESTYPE_CQ) 993 else if (type == EHEA_AER_RESTYPE_CQ)
993 ehea_error("CQ (resource=%llX) state: AER=0x%llX", resource, 994 pr_err("CQ (resource=%llX) state: AER=0x%llX\n",
994 data[6]); 995 resource, data[6]);
995 else if (type == EHEA_AER_RESTYPE_EQ) 996 else if (type == EHEA_AER_RESTYPE_EQ)
996 ehea_error("EQ (resource=%llX) state: AER=0x%llX", resource, 997 pr_err("EQ (resource=%llX) state: AER=0x%llX\n",
997 data[6]); 998 resource, data[6]);
998 999
999 ehea_dump(data, length, "error data"); 1000 ehea_dump(data, length, "error data");
1000} 1001}
@@ -1008,7 +1009,7 @@ u64 ehea_error_data(struct ehea_adapter *adapter, u64 res_handle,
1008 1009
1009 rblock = (void *)get_zeroed_page(GFP_KERNEL); 1010 rblock = (void *)get_zeroed_page(GFP_KERNEL);
1010 if (!rblock) { 1011 if (!rblock) {
1011 ehea_error("Cannot allocate rblock memory."); 1012 pr_err("Cannot allocate rblock memory\n");
1012 goto out; 1013 goto out;
1013 } 1014 }
1014 1015
@@ -1020,9 +1021,9 @@ u64 ehea_error_data(struct ehea_adapter *adapter, u64 res_handle,
1020 *aerr = rblock[12]; 1021 *aerr = rblock[12];
1021 print_error_data(rblock); 1022 print_error_data(rblock);
1022 } else if (ret == H_R_STATE) { 1023 } else if (ret == H_R_STATE) {
1023 ehea_error("No error data available: %llX.", res_handle); 1024 pr_err("No error data available: %llX\n", res_handle);
1024 } else 1025 } else
1025 ehea_error("Error data could not be fetched: %llX", res_handle); 1026 pr_err("Error data could not be fetched: %llX\n", res_handle);
1026 1027
1027 free_page((unsigned long)rblock); 1028 free_page((unsigned long)rblock);
1028out: 1029out: