11f4d4ed6SAlexander Lobakin // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 21d6cff4fSYuval Mintz /* QLogic qed NIC Driver 3e8f1cb50SMintz, Yuval * Copyright (c) 2015-2017 QLogic Corporation 41d6cff4fSYuval Mintz */ 51d6cff4fSYuval Mintz 61d6cff4fSYuval Mintz #include <linux/types.h> 71d6cff4fSYuval Mintz #include <linux/dma-mapping.h> 81d6cff4fSYuval Mintz #include <linux/kernel.h> 91d6cff4fSYuval Mintz #include <linux/list.h> 101d6cff4fSYuval Mintz #include <linux/pci.h> 111d6cff4fSYuval Mintz #include <linux/slab.h> 121d6cff4fSYuval Mintz #include <linux/string.h> 131d6cff4fSYuval Mintz #include "qed.h" 141d6cff4fSYuval Mintz #include "qed_iscsi.h" 151d6cff4fSYuval Mintz #include "qed_ll2.h" 161d6cff4fSYuval Mintz #include "qed_ooo.h" 171eec2437SMichal Kalderon #include "qed_cxt.h" 181d6cff4fSYuval Mintz 191d6cff4fSYuval Mintz static struct qed_ooo_archipelago 201d6cff4fSYuval Mintz *qed_ooo_seek_archipelago(struct qed_hwfn *p_hwfn, 211d6cff4fSYuval Mintz struct qed_ooo_info 221d6cff4fSYuval Mintz *p_ooo_info, 231d6cff4fSYuval Mintz u32 cid) 241d6cff4fSYuval Mintz { 251eec2437SMichal Kalderon u32 idx = (cid & 0xffff) - p_ooo_info->cid_base; 261eec2437SMichal Kalderon struct qed_ooo_archipelago *p_archipelago; 271d6cff4fSYuval Mintz 281eec2437SMichal Kalderon if (idx >= p_ooo_info->max_num_archipelagos) 291d6cff4fSYuval Mintz return NULL; 301eec2437SMichal Kalderon 311eec2437SMichal Kalderon p_archipelago = &p_ooo_info->p_archipelagos_mem[idx]; 321eec2437SMichal Kalderon 331eec2437SMichal Kalderon if (list_empty(&p_archipelago->isles_list)) 341eec2437SMichal Kalderon return NULL; 351eec2437SMichal Kalderon 361eec2437SMichal Kalderon return p_archipelago; 371d6cff4fSYuval Mintz } 381d6cff4fSYuval Mintz 391d6cff4fSYuval Mintz static struct qed_ooo_isle *qed_ooo_seek_isle(struct qed_hwfn *p_hwfn, 401d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 411d6cff4fSYuval Mintz u32 cid, u8 isle) 421d6cff4fSYuval Mintz { 431d6cff4fSYuval Mintz struct qed_ooo_archipelago *p_archipelago = NULL; 441d6cff4fSYuval Mintz struct qed_ooo_isle *p_isle = NULL; 451d6cff4fSYuval Mintz u8 the_num_of_isle = 1; 461d6cff4fSYuval Mintz 471d6cff4fSYuval Mintz p_archipelago = qed_ooo_seek_archipelago(p_hwfn, p_ooo_info, cid); 481d6cff4fSYuval Mintz if (!p_archipelago) { 491d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 501d6cff4fSYuval Mintz "Connection %d is not found in OOO list\n", cid); 511d6cff4fSYuval Mintz return NULL; 521d6cff4fSYuval Mintz } 531d6cff4fSYuval Mintz 541d6cff4fSYuval Mintz list_for_each_entry(p_isle, &p_archipelago->isles_list, list_entry) { 551d6cff4fSYuval Mintz if (the_num_of_isle == isle) 561d6cff4fSYuval Mintz return p_isle; 571d6cff4fSYuval Mintz the_num_of_isle++; 581d6cff4fSYuval Mintz } 591d6cff4fSYuval Mintz 601d6cff4fSYuval Mintz return NULL; 611d6cff4fSYuval Mintz } 621d6cff4fSYuval Mintz 631d6cff4fSYuval Mintz void qed_ooo_save_history_entry(struct qed_hwfn *p_hwfn, 641d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 651d6cff4fSYuval Mintz struct ooo_opaque *p_cqe) 661d6cff4fSYuval Mintz { 671d6cff4fSYuval Mintz struct qed_ooo_history *p_history = &p_ooo_info->ooo_history; 681d6cff4fSYuval Mintz 691d6cff4fSYuval Mintz if (p_history->head_idx == p_history->num_of_cqes) 701d6cff4fSYuval Mintz p_history->head_idx = 0; 711d6cff4fSYuval Mintz p_history->p_cqes[p_history->head_idx] = *p_cqe; 721d6cff4fSYuval Mintz p_history->head_idx++; 731d6cff4fSYuval Mintz } 741d6cff4fSYuval Mintz 753587cb87STomer Tayar int qed_ooo_alloc(struct qed_hwfn *p_hwfn) 761d6cff4fSYuval Mintz { 771eec2437SMichal Kalderon u16 max_num_archipelagos = 0, cid_base; 781d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info; 79f436baf3SMichal Kalderon enum protocol_type proto; 801d6cff4fSYuval Mintz u16 max_num_isles = 0; 811d6cff4fSYuval Mintz u32 i; 821d6cff4fSYuval Mintz 83f436baf3SMichal Kalderon switch (p_hwfn->hw_info.personality) { 84f436baf3SMichal Kalderon case QED_PCI_ISCSI: 85f436baf3SMichal Kalderon proto = PROTOCOLID_ISCSI; 86f436baf3SMichal Kalderon break; 87f436baf3SMichal Kalderon case QED_PCI_ETH_RDMA: 88f436baf3SMichal Kalderon case QED_PCI_ETH_IWARP: 89f436baf3SMichal Kalderon proto = PROTOCOLID_IWARP; 90f436baf3SMichal Kalderon break; 91f436baf3SMichal Kalderon default: 921d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 931d6cff4fSYuval Mintz "Failed to allocate qed_ooo_info: unknown personality\n"); 943587cb87STomer Tayar return -EINVAL; 951d6cff4fSYuval Mintz } 961d6cff4fSYuval Mintz 97f436baf3SMichal Kalderon max_num_archipelagos = (u16)qed_cxt_get_proto_cid_count(p_hwfn, proto, 98f436baf3SMichal Kalderon NULL); 991d6cff4fSYuval Mintz max_num_isles = QED_MAX_NUM_ISLES + max_num_archipelagos; 100f436baf3SMichal Kalderon cid_base = (u16)qed_cxt_get_proto_cid_start(p_hwfn, proto); 1011d6cff4fSYuval Mintz 1021d6cff4fSYuval Mintz if (!max_num_archipelagos) { 1031d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 1041d6cff4fSYuval Mintz "Failed to allocate qed_ooo_info: unknown amount of connections\n"); 1053587cb87STomer Tayar return -EINVAL; 1061d6cff4fSYuval Mintz } 1071d6cff4fSYuval Mintz 1081d6cff4fSYuval Mintz p_ooo_info = kzalloc(sizeof(*p_ooo_info), GFP_KERNEL); 1091d6cff4fSYuval Mintz if (!p_ooo_info) 1103587cb87STomer Tayar return -ENOMEM; 1111d6cff4fSYuval Mintz 1121eec2437SMichal Kalderon p_ooo_info->cid_base = cid_base; 1131eec2437SMichal Kalderon p_ooo_info->max_num_archipelagos = max_num_archipelagos; 1141eec2437SMichal Kalderon 1151d6cff4fSYuval Mintz INIT_LIST_HEAD(&p_ooo_info->free_buffers_list); 1161d6cff4fSYuval Mintz INIT_LIST_HEAD(&p_ooo_info->ready_buffers_list); 1171d6cff4fSYuval Mintz INIT_LIST_HEAD(&p_ooo_info->free_isles_list); 1181d6cff4fSYuval Mintz 1191d6cff4fSYuval Mintz p_ooo_info->p_isles_mem = kcalloc(max_num_isles, 1201d6cff4fSYuval Mintz sizeof(struct qed_ooo_isle), 1211d6cff4fSYuval Mintz GFP_KERNEL); 1221d6cff4fSYuval Mintz if (!p_ooo_info->p_isles_mem) 1231d6cff4fSYuval Mintz goto no_isles_mem; 1241d6cff4fSYuval Mintz 1251d6cff4fSYuval Mintz for (i = 0; i < max_num_isles; i++) { 1261d6cff4fSYuval Mintz INIT_LIST_HEAD(&p_ooo_info->p_isles_mem[i].buffers_list); 1271d6cff4fSYuval Mintz list_add_tail(&p_ooo_info->p_isles_mem[i].list_entry, 1281d6cff4fSYuval Mintz &p_ooo_info->free_isles_list); 1291d6cff4fSYuval Mintz } 1301d6cff4fSYuval Mintz 1311d6cff4fSYuval Mintz p_ooo_info->p_archipelagos_mem = 1321d6cff4fSYuval Mintz kcalloc(max_num_archipelagos, 1331d6cff4fSYuval Mintz sizeof(struct qed_ooo_archipelago), 1341d6cff4fSYuval Mintz GFP_KERNEL); 1351d6cff4fSYuval Mintz if (!p_ooo_info->p_archipelagos_mem) 1361d6cff4fSYuval Mintz goto no_archipelagos_mem; 1371d6cff4fSYuval Mintz 1381eec2437SMichal Kalderon for (i = 0; i < max_num_archipelagos; i++) 1391d6cff4fSYuval Mintz INIT_LIST_HEAD(&p_ooo_info->p_archipelagos_mem[i].isles_list); 1401d6cff4fSYuval Mintz 1411d6cff4fSYuval Mintz p_ooo_info->ooo_history.p_cqes = 1421d6cff4fSYuval Mintz kcalloc(QED_MAX_NUM_OOO_HISTORY_ENTRIES, 1431d6cff4fSYuval Mintz sizeof(struct ooo_opaque), 1441d6cff4fSYuval Mintz GFP_KERNEL); 1451d6cff4fSYuval Mintz if (!p_ooo_info->ooo_history.p_cqes) 1461d6cff4fSYuval Mintz goto no_history_mem; 1471d6cff4fSYuval Mintz 148db31d330SMintz, Yuval p_ooo_info->ooo_history.num_of_cqes = QED_MAX_NUM_OOO_HISTORY_ENTRIES; 149db31d330SMintz, Yuval 1503587cb87STomer Tayar p_hwfn->p_ooo_info = p_ooo_info; 1513587cb87STomer Tayar return 0; 1521d6cff4fSYuval Mintz 1531d6cff4fSYuval Mintz no_history_mem: 1541d6cff4fSYuval Mintz kfree(p_ooo_info->p_archipelagos_mem); 1551d6cff4fSYuval Mintz no_archipelagos_mem: 1561d6cff4fSYuval Mintz kfree(p_ooo_info->p_isles_mem); 1571d6cff4fSYuval Mintz no_isles_mem: 1581d6cff4fSYuval Mintz kfree(p_ooo_info); 1593587cb87STomer Tayar return -ENOMEM; 1601d6cff4fSYuval Mintz } 1611d6cff4fSYuval Mintz 1621d6cff4fSYuval Mintz void qed_ooo_release_connection_isles(struct qed_hwfn *p_hwfn, 1631d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, u32 cid) 1641d6cff4fSYuval Mintz { 1651d6cff4fSYuval Mintz struct qed_ooo_archipelago *p_archipelago; 1661d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer; 1671d6cff4fSYuval Mintz struct qed_ooo_isle *p_isle; 1681d6cff4fSYuval Mintz 1691eec2437SMichal Kalderon p_archipelago = qed_ooo_seek_archipelago(p_hwfn, p_ooo_info, cid); 1701eec2437SMichal Kalderon if (!p_archipelago) 1711d6cff4fSYuval Mintz return; 1721d6cff4fSYuval Mintz 1731d6cff4fSYuval Mintz while (!list_empty(&p_archipelago->isles_list)) { 1741d6cff4fSYuval Mintz p_isle = list_first_entry(&p_archipelago->isles_list, 1751d6cff4fSYuval Mintz struct qed_ooo_isle, list_entry); 1761d6cff4fSYuval Mintz 1771d6cff4fSYuval Mintz list_del(&p_isle->list_entry); 1781d6cff4fSYuval Mintz 1791d6cff4fSYuval Mintz while (!list_empty(&p_isle->buffers_list)) { 1801d6cff4fSYuval Mintz p_buffer = list_first_entry(&p_isle->buffers_list, 1811d6cff4fSYuval Mintz struct qed_ooo_buffer, 1821d6cff4fSYuval Mintz list_entry); 1831d6cff4fSYuval Mintz 1841d6cff4fSYuval Mintz if (!p_buffer) 1851d6cff4fSYuval Mintz break; 1861d6cff4fSYuval Mintz 187631e871eSzhong jiang list_move_tail(&p_buffer->list_entry, 1881d6cff4fSYuval Mintz &p_ooo_info->free_buffers_list); 1891d6cff4fSYuval Mintz } 1901d6cff4fSYuval Mintz list_add_tail(&p_isle->list_entry, 1911d6cff4fSYuval Mintz &p_ooo_info->free_isles_list); 1921d6cff4fSYuval Mintz } 1931d6cff4fSYuval Mintz } 1941d6cff4fSYuval Mintz 1951d6cff4fSYuval Mintz void qed_ooo_release_all_isles(struct qed_hwfn *p_hwfn, 1961d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info) 1971d6cff4fSYuval Mintz { 1981eec2437SMichal Kalderon struct qed_ooo_archipelago *p_archipelago; 1991d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer; 2001d6cff4fSYuval Mintz struct qed_ooo_isle *p_isle; 2011eec2437SMichal Kalderon u32 i; 2021d6cff4fSYuval Mintz 2031eec2437SMichal Kalderon for (i = 0; i < p_ooo_info->max_num_archipelagos; i++) { 2041eec2437SMichal Kalderon p_archipelago = &(p_ooo_info->p_archipelagos_mem[i]); 2051d6cff4fSYuval Mintz 2061eec2437SMichal Kalderon while (!list_empty(&p_archipelago->isles_list)) { 2071eec2437SMichal Kalderon p_isle = list_first_entry(&p_archipelago->isles_list, 2081d6cff4fSYuval Mintz struct qed_ooo_isle, 2091d6cff4fSYuval Mintz list_entry); 2101d6cff4fSYuval Mintz 2111d6cff4fSYuval Mintz list_del(&p_isle->list_entry); 2121d6cff4fSYuval Mintz 2131d6cff4fSYuval Mintz while (!list_empty(&p_isle->buffers_list)) { 2141d6cff4fSYuval Mintz p_buffer = 2151d6cff4fSYuval Mintz list_first_entry(&p_isle->buffers_list, 2161d6cff4fSYuval Mintz struct qed_ooo_buffer, 2171d6cff4fSYuval Mintz list_entry); 2181d6cff4fSYuval Mintz 2191d6cff4fSYuval Mintz if (!p_buffer) 2201d6cff4fSYuval Mintz break; 2211d6cff4fSYuval Mintz 222631e871eSzhong jiang list_move_tail(&p_buffer->list_entry, 2231d6cff4fSYuval Mintz &p_ooo_info->free_buffers_list); 2241d6cff4fSYuval Mintz } 2251d6cff4fSYuval Mintz list_add_tail(&p_isle->list_entry, 2261d6cff4fSYuval Mintz &p_ooo_info->free_isles_list); 2271d6cff4fSYuval Mintz } 2281d6cff4fSYuval Mintz } 2291d6cff4fSYuval Mintz if (!list_empty(&p_ooo_info->ready_buffers_list)) 2301d6cff4fSYuval Mintz list_splice_tail_init(&p_ooo_info->ready_buffers_list, 2311d6cff4fSYuval Mintz &p_ooo_info->free_buffers_list); 2321d6cff4fSYuval Mintz } 2331d6cff4fSYuval Mintz 2343587cb87STomer Tayar void qed_ooo_setup(struct qed_hwfn *p_hwfn) 2351d6cff4fSYuval Mintz { 2363587cb87STomer Tayar qed_ooo_release_all_isles(p_hwfn, p_hwfn->p_ooo_info); 2373587cb87STomer Tayar memset(p_hwfn->p_ooo_info->ooo_history.p_cqes, 0, 2383587cb87STomer Tayar p_hwfn->p_ooo_info->ooo_history.num_of_cqes * 2391d6cff4fSYuval Mintz sizeof(struct ooo_opaque)); 2403587cb87STomer Tayar p_hwfn->p_ooo_info->ooo_history.head_idx = 0; 2411d6cff4fSYuval Mintz } 2421d6cff4fSYuval Mintz 2433587cb87STomer Tayar void qed_ooo_free(struct qed_hwfn *p_hwfn) 2441d6cff4fSYuval Mintz { 2453587cb87STomer Tayar struct qed_ooo_info *p_ooo_info = p_hwfn->p_ooo_info; 2461d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer; 2471d6cff4fSYuval Mintz 2483587cb87STomer Tayar if (!p_ooo_info) 2493587cb87STomer Tayar return; 2503587cb87STomer Tayar 2511d6cff4fSYuval Mintz qed_ooo_release_all_isles(p_hwfn, p_ooo_info); 2521d6cff4fSYuval Mintz while (!list_empty(&p_ooo_info->free_buffers_list)) { 2531d6cff4fSYuval Mintz p_buffer = list_first_entry(&p_ooo_info->free_buffers_list, 2541d6cff4fSYuval Mintz struct qed_ooo_buffer, list_entry); 2551d6cff4fSYuval Mintz 2561d6cff4fSYuval Mintz if (!p_buffer) 2571d6cff4fSYuval Mintz break; 2581d6cff4fSYuval Mintz 2591d6cff4fSYuval Mintz list_del(&p_buffer->list_entry); 2601d6cff4fSYuval Mintz dma_free_coherent(&p_hwfn->cdev->pdev->dev, 2611d6cff4fSYuval Mintz p_buffer->rx_buffer_size, 2621d6cff4fSYuval Mintz p_buffer->rx_buffer_virt_addr, 2631d6cff4fSYuval Mintz p_buffer->rx_buffer_phys_addr); 2641d6cff4fSYuval Mintz kfree(p_buffer); 2651d6cff4fSYuval Mintz } 2661d6cff4fSYuval Mintz 2671d6cff4fSYuval Mintz kfree(p_ooo_info->p_isles_mem); 2681d6cff4fSYuval Mintz kfree(p_ooo_info->p_archipelagos_mem); 2691d6cff4fSYuval Mintz kfree(p_ooo_info->ooo_history.p_cqes); 2701d6cff4fSYuval Mintz kfree(p_ooo_info); 2713587cb87STomer Tayar p_hwfn->p_ooo_info = NULL; 2721d6cff4fSYuval Mintz } 2731d6cff4fSYuval Mintz 2741d6cff4fSYuval Mintz void qed_ooo_put_free_buffer(struct qed_hwfn *p_hwfn, 2751d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 2761d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer) 2771d6cff4fSYuval Mintz { 2781d6cff4fSYuval Mintz list_add_tail(&p_buffer->list_entry, &p_ooo_info->free_buffers_list); 2791d6cff4fSYuval Mintz } 2801d6cff4fSYuval Mintz 2811d6cff4fSYuval Mintz struct qed_ooo_buffer *qed_ooo_get_free_buffer(struct qed_hwfn *p_hwfn, 2821d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info) 2831d6cff4fSYuval Mintz { 2841d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer = NULL; 2851d6cff4fSYuval Mintz 2861d6cff4fSYuval Mintz if (!list_empty(&p_ooo_info->free_buffers_list)) { 2871d6cff4fSYuval Mintz p_buffer = list_first_entry(&p_ooo_info->free_buffers_list, 2881d6cff4fSYuval Mintz struct qed_ooo_buffer, list_entry); 2891d6cff4fSYuval Mintz 2901d6cff4fSYuval Mintz list_del(&p_buffer->list_entry); 2911d6cff4fSYuval Mintz } 2921d6cff4fSYuval Mintz 2931d6cff4fSYuval Mintz return p_buffer; 2941d6cff4fSYuval Mintz } 2951d6cff4fSYuval Mintz 2961d6cff4fSYuval Mintz void qed_ooo_put_ready_buffer(struct qed_hwfn *p_hwfn, 2971d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 2981d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer, u8 on_tail) 2991d6cff4fSYuval Mintz { 3001d6cff4fSYuval Mintz if (on_tail) 3011d6cff4fSYuval Mintz list_add_tail(&p_buffer->list_entry, 3021d6cff4fSYuval Mintz &p_ooo_info->ready_buffers_list); 3031d6cff4fSYuval Mintz else 3041d6cff4fSYuval Mintz list_add(&p_buffer->list_entry, 3051d6cff4fSYuval Mintz &p_ooo_info->ready_buffers_list); 3061d6cff4fSYuval Mintz } 3071d6cff4fSYuval Mintz 3081d6cff4fSYuval Mintz struct qed_ooo_buffer *qed_ooo_get_ready_buffer(struct qed_hwfn *p_hwfn, 3091d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info) 3101d6cff4fSYuval Mintz { 3111d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer = NULL; 3121d6cff4fSYuval Mintz 3131d6cff4fSYuval Mintz if (!list_empty(&p_ooo_info->ready_buffers_list)) { 3141d6cff4fSYuval Mintz p_buffer = list_first_entry(&p_ooo_info->ready_buffers_list, 3151d6cff4fSYuval Mintz struct qed_ooo_buffer, list_entry); 3161d6cff4fSYuval Mintz 3171d6cff4fSYuval Mintz list_del(&p_buffer->list_entry); 3181d6cff4fSYuval Mintz } 3191d6cff4fSYuval Mintz 3201d6cff4fSYuval Mintz return p_buffer; 3211d6cff4fSYuval Mintz } 3221d6cff4fSYuval Mintz 3231d6cff4fSYuval Mintz void qed_ooo_delete_isles(struct qed_hwfn *p_hwfn, 3241d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 3251d6cff4fSYuval Mintz u32 cid, u8 drop_isle, u8 drop_size) 3261d6cff4fSYuval Mintz { 3271d6cff4fSYuval Mintz struct qed_ooo_isle *p_isle = NULL; 3281d6cff4fSYuval Mintz u8 isle_idx; 3291d6cff4fSYuval Mintz 3301d6cff4fSYuval Mintz for (isle_idx = 0; isle_idx < drop_size; isle_idx++) { 3311d6cff4fSYuval Mintz p_isle = qed_ooo_seek_isle(p_hwfn, p_ooo_info, cid, drop_isle); 3321d6cff4fSYuval Mintz if (!p_isle) { 3331d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 3341d6cff4fSYuval Mintz "Isle %d is not found(cid %d)\n", 3351d6cff4fSYuval Mintz drop_isle, cid); 3361d6cff4fSYuval Mintz return; 3371d6cff4fSYuval Mintz } 3381d6cff4fSYuval Mintz if (list_empty(&p_isle->buffers_list)) 3391d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 3401d6cff4fSYuval Mintz "Isle %d is empty(cid %d)\n", drop_isle, cid); 3411d6cff4fSYuval Mintz else 3421d6cff4fSYuval Mintz list_splice_tail_init(&p_isle->buffers_list, 3431d6cff4fSYuval Mintz &p_ooo_info->free_buffers_list); 3441d6cff4fSYuval Mintz 3451d6cff4fSYuval Mintz list_del(&p_isle->list_entry); 3461d6cff4fSYuval Mintz p_ooo_info->cur_isles_number--; 3471d6cff4fSYuval Mintz list_add(&p_isle->list_entry, &p_ooo_info->free_isles_list); 3481d6cff4fSYuval Mintz } 3491d6cff4fSYuval Mintz } 3501d6cff4fSYuval Mintz 3511d6cff4fSYuval Mintz void qed_ooo_add_new_isle(struct qed_hwfn *p_hwfn, 3521d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 3531d6cff4fSYuval Mintz u32 cid, u8 ooo_isle, 3541d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer) 3551d6cff4fSYuval Mintz { 3561d6cff4fSYuval Mintz struct qed_ooo_archipelago *p_archipelago = NULL; 3571d6cff4fSYuval Mintz struct qed_ooo_isle *p_prev_isle = NULL; 3581d6cff4fSYuval Mintz struct qed_ooo_isle *p_isle = NULL; 3591d6cff4fSYuval Mintz 3601d6cff4fSYuval Mintz if (ooo_isle > 1) { 3611d6cff4fSYuval Mintz p_prev_isle = qed_ooo_seek_isle(p_hwfn, 3621d6cff4fSYuval Mintz p_ooo_info, cid, ooo_isle - 1); 3631d6cff4fSYuval Mintz if (!p_prev_isle) { 3641d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 3651d6cff4fSYuval Mintz "Isle %d is not found(cid %d)\n", 3661d6cff4fSYuval Mintz ooo_isle - 1, cid); 3671d6cff4fSYuval Mintz return; 3681d6cff4fSYuval Mintz } 3691d6cff4fSYuval Mintz } 3701d6cff4fSYuval Mintz p_archipelago = qed_ooo_seek_archipelago(p_hwfn, p_ooo_info, cid); 3711d6cff4fSYuval Mintz if (!p_archipelago && (ooo_isle != 1)) { 3721d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 3731d6cff4fSYuval Mintz "Connection %d is not found in OOO list\n", cid); 3741d6cff4fSYuval Mintz return; 3751d6cff4fSYuval Mintz } 3761d6cff4fSYuval Mintz 3771d6cff4fSYuval Mintz if (!list_empty(&p_ooo_info->free_isles_list)) { 3781d6cff4fSYuval Mintz p_isle = list_first_entry(&p_ooo_info->free_isles_list, 3791d6cff4fSYuval Mintz struct qed_ooo_isle, list_entry); 3801d6cff4fSYuval Mintz 3811d6cff4fSYuval Mintz list_del(&p_isle->list_entry); 3821d6cff4fSYuval Mintz if (!list_empty(&p_isle->buffers_list)) { 3831d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, "Free isle is not empty\n"); 3841d6cff4fSYuval Mintz INIT_LIST_HEAD(&p_isle->buffers_list); 3851d6cff4fSYuval Mintz } 3861d6cff4fSYuval Mintz } else { 3871d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, "No more free isles\n"); 3881d6cff4fSYuval Mintz return; 3891d6cff4fSYuval Mintz } 3901d6cff4fSYuval Mintz 3911eec2437SMichal Kalderon if (!p_archipelago) { 3921eec2437SMichal Kalderon u32 idx = (cid & 0xffff) - p_ooo_info->cid_base; 3931d6cff4fSYuval Mintz 3941eec2437SMichal Kalderon p_archipelago = &p_ooo_info->p_archipelagos_mem[idx]; 3951d6cff4fSYuval Mintz } 3961d6cff4fSYuval Mintz 3971d6cff4fSYuval Mintz list_add(&p_buffer->list_entry, &p_isle->buffers_list); 3981d6cff4fSYuval Mintz p_ooo_info->cur_isles_number++; 3991d6cff4fSYuval Mintz p_ooo_info->gen_isles_number++; 4001d6cff4fSYuval Mintz 4011d6cff4fSYuval Mintz if (p_ooo_info->cur_isles_number > p_ooo_info->max_isles_number) 4021d6cff4fSYuval Mintz p_ooo_info->max_isles_number = p_ooo_info->cur_isles_number; 4031d6cff4fSYuval Mintz 4041d6cff4fSYuval Mintz if (!p_prev_isle) 4051d6cff4fSYuval Mintz list_add(&p_isle->list_entry, &p_archipelago->isles_list); 4061d6cff4fSYuval Mintz else 4071d6cff4fSYuval Mintz list_add(&p_isle->list_entry, &p_prev_isle->list_entry); 4081d6cff4fSYuval Mintz } 4091d6cff4fSYuval Mintz 4101d6cff4fSYuval Mintz void qed_ooo_add_new_buffer(struct qed_hwfn *p_hwfn, 4111d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 4121d6cff4fSYuval Mintz u32 cid, 4131d6cff4fSYuval Mintz u8 ooo_isle, 4141d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer, u8 buffer_side) 4151d6cff4fSYuval Mintz { 4161d6cff4fSYuval Mintz struct qed_ooo_isle *p_isle = NULL; 4171d6cff4fSYuval Mintz 4181d6cff4fSYuval Mintz p_isle = qed_ooo_seek_isle(p_hwfn, p_ooo_info, cid, ooo_isle); 4191d6cff4fSYuval Mintz if (!p_isle) { 4201d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 4211d6cff4fSYuval Mintz "Isle %d is not found(cid %d)\n", ooo_isle, cid); 4221d6cff4fSYuval Mintz return; 4231d6cff4fSYuval Mintz } 4241d6cff4fSYuval Mintz 4251d6cff4fSYuval Mintz if (buffer_side == QED_OOO_LEFT_BUF) 4261d6cff4fSYuval Mintz list_add(&p_buffer->list_entry, &p_isle->buffers_list); 4271d6cff4fSYuval Mintz else 4281d6cff4fSYuval Mintz list_add_tail(&p_buffer->list_entry, &p_isle->buffers_list); 4291d6cff4fSYuval Mintz } 4301d6cff4fSYuval Mintz 4311d6cff4fSYuval Mintz void qed_ooo_join_isles(struct qed_hwfn *p_hwfn, 4321d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, u32 cid, u8 left_isle) 4331d6cff4fSYuval Mintz { 4341d6cff4fSYuval Mintz struct qed_ooo_isle *p_right_isle = NULL; 4351d6cff4fSYuval Mintz struct qed_ooo_isle *p_left_isle = NULL; 4361d6cff4fSYuval Mintz 4371d6cff4fSYuval Mintz p_right_isle = qed_ooo_seek_isle(p_hwfn, p_ooo_info, cid, 4381d6cff4fSYuval Mintz left_isle + 1); 4391d6cff4fSYuval Mintz if (!p_right_isle) { 4401d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 4411d6cff4fSYuval Mintz "Right isle %d is not found(cid %d)\n", 4421d6cff4fSYuval Mintz left_isle + 1, cid); 4431d6cff4fSYuval Mintz return; 4441d6cff4fSYuval Mintz } 4451d6cff4fSYuval Mintz 4461d6cff4fSYuval Mintz list_del(&p_right_isle->list_entry); 4471d6cff4fSYuval Mintz p_ooo_info->cur_isles_number--; 4481d6cff4fSYuval Mintz if (left_isle) { 4491d6cff4fSYuval Mintz p_left_isle = qed_ooo_seek_isle(p_hwfn, p_ooo_info, cid, 4501d6cff4fSYuval Mintz left_isle); 4511d6cff4fSYuval Mintz if (!p_left_isle) { 4521d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 4531d6cff4fSYuval Mintz "Left isle %d is not found(cid %d)\n", 4541d6cff4fSYuval Mintz left_isle, cid); 4551d6cff4fSYuval Mintz return; 4561d6cff4fSYuval Mintz } 4571d6cff4fSYuval Mintz list_splice_tail_init(&p_right_isle->buffers_list, 4581d6cff4fSYuval Mintz &p_left_isle->buffers_list); 4591d6cff4fSYuval Mintz } else { 4601d6cff4fSYuval Mintz list_splice_tail_init(&p_right_isle->buffers_list, 4611d6cff4fSYuval Mintz &p_ooo_info->ready_buffers_list); 4621d6cff4fSYuval Mintz } 4631d6cff4fSYuval Mintz list_add_tail(&p_right_isle->list_entry, &p_ooo_info->free_isles_list); 4641d6cff4fSYuval Mintz } 465