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 4663eacd8SAlexander Lobakin * Copyright (c) 2019-2020 Marvell International Ltd. 51d6cff4fSYuval Mintz */ 61d6cff4fSYuval Mintz 71d6cff4fSYuval Mintz #include <linux/types.h> 81d6cff4fSYuval Mintz #include <linux/dma-mapping.h> 91d6cff4fSYuval Mintz #include <linux/kernel.h> 101d6cff4fSYuval Mintz #include <linux/list.h> 111d6cff4fSYuval Mintz #include <linux/pci.h> 121d6cff4fSYuval Mintz #include <linux/slab.h> 131d6cff4fSYuval Mintz #include <linux/string.h> 141d6cff4fSYuval Mintz #include "qed.h" 151d6cff4fSYuval Mintz #include "qed_iscsi.h" 161d6cff4fSYuval Mintz #include "qed_ll2.h" 171d6cff4fSYuval Mintz #include "qed_ooo.h" 181eec2437SMichal Kalderon #include "qed_cxt.h" 19*897e87a1SShai Malin #include "qed_nvmetcp.h" 201d6cff4fSYuval Mintz static struct qed_ooo_archipelago 211d6cff4fSYuval Mintz *qed_ooo_seek_archipelago(struct qed_hwfn *p_hwfn, 221d6cff4fSYuval Mintz struct qed_ooo_info 231d6cff4fSYuval Mintz *p_ooo_info, 241d6cff4fSYuval Mintz u32 cid) 251d6cff4fSYuval Mintz { 261eec2437SMichal Kalderon u32 idx = (cid & 0xffff) - p_ooo_info->cid_base; 271eec2437SMichal Kalderon struct qed_ooo_archipelago *p_archipelago; 281d6cff4fSYuval Mintz 291eec2437SMichal Kalderon if (idx >= p_ooo_info->max_num_archipelagos) 301d6cff4fSYuval Mintz return NULL; 311eec2437SMichal Kalderon 321eec2437SMichal Kalderon p_archipelago = &p_ooo_info->p_archipelagos_mem[idx]; 331eec2437SMichal Kalderon 341eec2437SMichal Kalderon if (list_empty(&p_archipelago->isles_list)) 351eec2437SMichal Kalderon return NULL; 361eec2437SMichal Kalderon 371eec2437SMichal Kalderon return p_archipelago; 381d6cff4fSYuval Mintz } 391d6cff4fSYuval Mintz 401d6cff4fSYuval Mintz static struct qed_ooo_isle *qed_ooo_seek_isle(struct qed_hwfn *p_hwfn, 411d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 421d6cff4fSYuval Mintz u32 cid, u8 isle) 431d6cff4fSYuval Mintz { 441d6cff4fSYuval Mintz struct qed_ooo_archipelago *p_archipelago = NULL; 451d6cff4fSYuval Mintz struct qed_ooo_isle *p_isle = NULL; 461d6cff4fSYuval Mintz u8 the_num_of_isle = 1; 471d6cff4fSYuval Mintz 481d6cff4fSYuval Mintz p_archipelago = qed_ooo_seek_archipelago(p_hwfn, p_ooo_info, cid); 491d6cff4fSYuval Mintz if (!p_archipelago) { 501d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 511d6cff4fSYuval Mintz "Connection %d is not found in OOO list\n", cid); 521d6cff4fSYuval Mintz return NULL; 531d6cff4fSYuval Mintz } 541d6cff4fSYuval Mintz 551d6cff4fSYuval Mintz list_for_each_entry(p_isle, &p_archipelago->isles_list, list_entry) { 561d6cff4fSYuval Mintz if (the_num_of_isle == isle) 571d6cff4fSYuval Mintz return p_isle; 581d6cff4fSYuval Mintz the_num_of_isle++; 591d6cff4fSYuval Mintz } 601d6cff4fSYuval Mintz 611d6cff4fSYuval Mintz return NULL; 621d6cff4fSYuval Mintz } 631d6cff4fSYuval Mintz 641d6cff4fSYuval Mintz void qed_ooo_save_history_entry(struct qed_hwfn *p_hwfn, 651d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 661d6cff4fSYuval Mintz struct ooo_opaque *p_cqe) 671d6cff4fSYuval Mintz { 681d6cff4fSYuval Mintz struct qed_ooo_history *p_history = &p_ooo_info->ooo_history; 691d6cff4fSYuval Mintz 701d6cff4fSYuval Mintz if (p_history->head_idx == p_history->num_of_cqes) 711d6cff4fSYuval Mintz p_history->head_idx = 0; 721d6cff4fSYuval Mintz p_history->p_cqes[p_history->head_idx] = *p_cqe; 731d6cff4fSYuval Mintz p_history->head_idx++; 741d6cff4fSYuval Mintz } 751d6cff4fSYuval Mintz 763587cb87STomer Tayar int qed_ooo_alloc(struct qed_hwfn *p_hwfn) 771d6cff4fSYuval Mintz { 781eec2437SMichal Kalderon u16 max_num_archipelagos = 0, cid_base; 791d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info; 80f436baf3SMichal Kalderon enum protocol_type proto; 811d6cff4fSYuval Mintz u16 max_num_isles = 0; 821d6cff4fSYuval Mintz u32 i; 831d6cff4fSYuval Mintz 84f436baf3SMichal Kalderon switch (p_hwfn->hw_info.personality) { 85f436baf3SMichal Kalderon case QED_PCI_ISCSI: 86*897e87a1SShai Malin case QED_PCI_NVMETCP: 871bd4f571SOmkar Kulkarni proto = PROTOCOLID_TCP_ULP; 88f436baf3SMichal Kalderon break; 89f436baf3SMichal Kalderon case QED_PCI_ETH_RDMA: 90f436baf3SMichal Kalderon case QED_PCI_ETH_IWARP: 91f436baf3SMichal Kalderon proto = PROTOCOLID_IWARP; 92f436baf3SMichal Kalderon break; 93f436baf3SMichal Kalderon default: 941d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 951d6cff4fSYuval Mintz "Failed to allocate qed_ooo_info: unknown personality\n"); 963587cb87STomer Tayar return -EINVAL; 971d6cff4fSYuval Mintz } 981d6cff4fSYuval Mintz 99f436baf3SMichal Kalderon max_num_archipelagos = (u16)qed_cxt_get_proto_cid_count(p_hwfn, proto, 100f436baf3SMichal Kalderon NULL); 1011d6cff4fSYuval Mintz max_num_isles = QED_MAX_NUM_ISLES + max_num_archipelagos; 102f436baf3SMichal Kalderon cid_base = (u16)qed_cxt_get_proto_cid_start(p_hwfn, proto); 1031d6cff4fSYuval Mintz 1041d6cff4fSYuval Mintz if (!max_num_archipelagos) { 1051d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 1061d6cff4fSYuval Mintz "Failed to allocate qed_ooo_info: unknown amount of connections\n"); 1073587cb87STomer Tayar return -EINVAL; 1081d6cff4fSYuval Mintz } 1091d6cff4fSYuval Mintz 1101d6cff4fSYuval Mintz p_ooo_info = kzalloc(sizeof(*p_ooo_info), GFP_KERNEL); 1111d6cff4fSYuval Mintz if (!p_ooo_info) 1123587cb87STomer Tayar return -ENOMEM; 1131d6cff4fSYuval Mintz 1141eec2437SMichal Kalderon p_ooo_info->cid_base = cid_base; 1151eec2437SMichal Kalderon p_ooo_info->max_num_archipelagos = max_num_archipelagos; 1161eec2437SMichal Kalderon 1171d6cff4fSYuval Mintz INIT_LIST_HEAD(&p_ooo_info->free_buffers_list); 1181d6cff4fSYuval Mintz INIT_LIST_HEAD(&p_ooo_info->ready_buffers_list); 1191d6cff4fSYuval Mintz INIT_LIST_HEAD(&p_ooo_info->free_isles_list); 1201d6cff4fSYuval Mintz 1211d6cff4fSYuval Mintz p_ooo_info->p_isles_mem = kcalloc(max_num_isles, 1221d6cff4fSYuval Mintz sizeof(struct qed_ooo_isle), 1231d6cff4fSYuval Mintz GFP_KERNEL); 1241d6cff4fSYuval Mintz if (!p_ooo_info->p_isles_mem) 1251d6cff4fSYuval Mintz goto no_isles_mem; 1261d6cff4fSYuval Mintz 1271d6cff4fSYuval Mintz for (i = 0; i < max_num_isles; i++) { 1281d6cff4fSYuval Mintz INIT_LIST_HEAD(&p_ooo_info->p_isles_mem[i].buffers_list); 1291d6cff4fSYuval Mintz list_add_tail(&p_ooo_info->p_isles_mem[i].list_entry, 1301d6cff4fSYuval Mintz &p_ooo_info->free_isles_list); 1311d6cff4fSYuval Mintz } 1321d6cff4fSYuval Mintz 1331d6cff4fSYuval Mintz p_ooo_info->p_archipelagos_mem = 1341d6cff4fSYuval Mintz kcalloc(max_num_archipelagos, 1351d6cff4fSYuval Mintz sizeof(struct qed_ooo_archipelago), 1361d6cff4fSYuval Mintz GFP_KERNEL); 1371d6cff4fSYuval Mintz if (!p_ooo_info->p_archipelagos_mem) 1381d6cff4fSYuval Mintz goto no_archipelagos_mem; 1391d6cff4fSYuval Mintz 1401eec2437SMichal Kalderon for (i = 0; i < max_num_archipelagos; i++) 1411d6cff4fSYuval Mintz INIT_LIST_HEAD(&p_ooo_info->p_archipelagos_mem[i].isles_list); 1421d6cff4fSYuval Mintz 1431d6cff4fSYuval Mintz p_ooo_info->ooo_history.p_cqes = 1441d6cff4fSYuval Mintz kcalloc(QED_MAX_NUM_OOO_HISTORY_ENTRIES, 1451d6cff4fSYuval Mintz sizeof(struct ooo_opaque), 1461d6cff4fSYuval Mintz GFP_KERNEL); 1471d6cff4fSYuval Mintz if (!p_ooo_info->ooo_history.p_cqes) 1481d6cff4fSYuval Mintz goto no_history_mem; 1491d6cff4fSYuval Mintz 150db31d330SMintz, Yuval p_ooo_info->ooo_history.num_of_cqes = QED_MAX_NUM_OOO_HISTORY_ENTRIES; 151db31d330SMintz, Yuval 1523587cb87STomer Tayar p_hwfn->p_ooo_info = p_ooo_info; 1533587cb87STomer Tayar return 0; 1541d6cff4fSYuval Mintz 1551d6cff4fSYuval Mintz no_history_mem: 1561d6cff4fSYuval Mintz kfree(p_ooo_info->p_archipelagos_mem); 1571d6cff4fSYuval Mintz no_archipelagos_mem: 1581d6cff4fSYuval Mintz kfree(p_ooo_info->p_isles_mem); 1591d6cff4fSYuval Mintz no_isles_mem: 1601d6cff4fSYuval Mintz kfree(p_ooo_info); 1613587cb87STomer Tayar return -ENOMEM; 1621d6cff4fSYuval Mintz } 1631d6cff4fSYuval Mintz 1641d6cff4fSYuval Mintz void qed_ooo_release_connection_isles(struct qed_hwfn *p_hwfn, 1651d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, u32 cid) 1661d6cff4fSYuval Mintz { 1671d6cff4fSYuval Mintz struct qed_ooo_archipelago *p_archipelago; 1681d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer; 1691d6cff4fSYuval Mintz struct qed_ooo_isle *p_isle; 1701d6cff4fSYuval Mintz 1711eec2437SMichal Kalderon p_archipelago = qed_ooo_seek_archipelago(p_hwfn, p_ooo_info, cid); 1721eec2437SMichal Kalderon if (!p_archipelago) 1731d6cff4fSYuval Mintz return; 1741d6cff4fSYuval Mintz 1751d6cff4fSYuval Mintz while (!list_empty(&p_archipelago->isles_list)) { 1761d6cff4fSYuval Mintz p_isle = list_first_entry(&p_archipelago->isles_list, 1771d6cff4fSYuval Mintz struct qed_ooo_isle, list_entry); 1781d6cff4fSYuval Mintz 1791d6cff4fSYuval Mintz list_del(&p_isle->list_entry); 1801d6cff4fSYuval Mintz 1811d6cff4fSYuval Mintz while (!list_empty(&p_isle->buffers_list)) { 1821d6cff4fSYuval Mintz p_buffer = list_first_entry(&p_isle->buffers_list, 1831d6cff4fSYuval Mintz struct qed_ooo_buffer, 1841d6cff4fSYuval Mintz list_entry); 1851d6cff4fSYuval Mintz 1861d6cff4fSYuval Mintz if (!p_buffer) 1871d6cff4fSYuval Mintz break; 1881d6cff4fSYuval Mintz 189631e871eSzhong jiang list_move_tail(&p_buffer->list_entry, 1901d6cff4fSYuval Mintz &p_ooo_info->free_buffers_list); 1911d6cff4fSYuval Mintz } 1921d6cff4fSYuval Mintz list_add_tail(&p_isle->list_entry, 1931d6cff4fSYuval Mintz &p_ooo_info->free_isles_list); 1941d6cff4fSYuval Mintz } 1951d6cff4fSYuval Mintz } 1961d6cff4fSYuval Mintz 1971d6cff4fSYuval Mintz void qed_ooo_release_all_isles(struct qed_hwfn *p_hwfn, 1981d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info) 1991d6cff4fSYuval Mintz { 2001eec2437SMichal Kalderon struct qed_ooo_archipelago *p_archipelago; 2011d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer; 2021d6cff4fSYuval Mintz struct qed_ooo_isle *p_isle; 2031eec2437SMichal Kalderon u32 i; 2041d6cff4fSYuval Mintz 2051eec2437SMichal Kalderon for (i = 0; i < p_ooo_info->max_num_archipelagos; i++) { 2061eec2437SMichal Kalderon p_archipelago = &(p_ooo_info->p_archipelagos_mem[i]); 2071d6cff4fSYuval Mintz 2081eec2437SMichal Kalderon while (!list_empty(&p_archipelago->isles_list)) { 2091eec2437SMichal Kalderon p_isle = list_first_entry(&p_archipelago->isles_list, 2101d6cff4fSYuval Mintz struct qed_ooo_isle, 2111d6cff4fSYuval Mintz list_entry); 2121d6cff4fSYuval Mintz 2131d6cff4fSYuval Mintz list_del(&p_isle->list_entry); 2141d6cff4fSYuval Mintz 2151d6cff4fSYuval Mintz while (!list_empty(&p_isle->buffers_list)) { 2161d6cff4fSYuval Mintz p_buffer = 2171d6cff4fSYuval Mintz list_first_entry(&p_isle->buffers_list, 2181d6cff4fSYuval Mintz struct qed_ooo_buffer, 2191d6cff4fSYuval Mintz list_entry); 2201d6cff4fSYuval Mintz 2211d6cff4fSYuval Mintz if (!p_buffer) 2221d6cff4fSYuval Mintz break; 2231d6cff4fSYuval Mintz 224631e871eSzhong jiang list_move_tail(&p_buffer->list_entry, 2251d6cff4fSYuval Mintz &p_ooo_info->free_buffers_list); 2261d6cff4fSYuval Mintz } 2271d6cff4fSYuval Mintz list_add_tail(&p_isle->list_entry, 2281d6cff4fSYuval Mintz &p_ooo_info->free_isles_list); 2291d6cff4fSYuval Mintz } 2301d6cff4fSYuval Mintz } 2311d6cff4fSYuval Mintz if (!list_empty(&p_ooo_info->ready_buffers_list)) 2321d6cff4fSYuval Mintz list_splice_tail_init(&p_ooo_info->ready_buffers_list, 2331d6cff4fSYuval Mintz &p_ooo_info->free_buffers_list); 2341d6cff4fSYuval Mintz } 2351d6cff4fSYuval Mintz 2363587cb87STomer Tayar void qed_ooo_setup(struct qed_hwfn *p_hwfn) 2371d6cff4fSYuval Mintz { 2383587cb87STomer Tayar qed_ooo_release_all_isles(p_hwfn, p_hwfn->p_ooo_info); 2393587cb87STomer Tayar memset(p_hwfn->p_ooo_info->ooo_history.p_cqes, 0, 2403587cb87STomer Tayar p_hwfn->p_ooo_info->ooo_history.num_of_cqes * 2411d6cff4fSYuval Mintz sizeof(struct ooo_opaque)); 2423587cb87STomer Tayar p_hwfn->p_ooo_info->ooo_history.head_idx = 0; 2431d6cff4fSYuval Mintz } 2441d6cff4fSYuval Mintz 2453587cb87STomer Tayar void qed_ooo_free(struct qed_hwfn *p_hwfn) 2461d6cff4fSYuval Mintz { 2473587cb87STomer Tayar struct qed_ooo_info *p_ooo_info = p_hwfn->p_ooo_info; 2481d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer; 2491d6cff4fSYuval Mintz 2503587cb87STomer Tayar if (!p_ooo_info) 2513587cb87STomer Tayar return; 2523587cb87STomer Tayar 2531d6cff4fSYuval Mintz qed_ooo_release_all_isles(p_hwfn, p_ooo_info); 2541d6cff4fSYuval Mintz while (!list_empty(&p_ooo_info->free_buffers_list)) { 2551d6cff4fSYuval Mintz p_buffer = list_first_entry(&p_ooo_info->free_buffers_list, 2561d6cff4fSYuval Mintz struct qed_ooo_buffer, list_entry); 2571d6cff4fSYuval Mintz 2581d6cff4fSYuval Mintz if (!p_buffer) 2591d6cff4fSYuval Mintz break; 2601d6cff4fSYuval Mintz 2611d6cff4fSYuval Mintz list_del(&p_buffer->list_entry); 2621d6cff4fSYuval Mintz dma_free_coherent(&p_hwfn->cdev->pdev->dev, 2631d6cff4fSYuval Mintz p_buffer->rx_buffer_size, 2641d6cff4fSYuval Mintz p_buffer->rx_buffer_virt_addr, 2651d6cff4fSYuval Mintz p_buffer->rx_buffer_phys_addr); 2661d6cff4fSYuval Mintz kfree(p_buffer); 2671d6cff4fSYuval Mintz } 2681d6cff4fSYuval Mintz 2691d6cff4fSYuval Mintz kfree(p_ooo_info->p_isles_mem); 2701d6cff4fSYuval Mintz kfree(p_ooo_info->p_archipelagos_mem); 2711d6cff4fSYuval Mintz kfree(p_ooo_info->ooo_history.p_cqes); 2721d6cff4fSYuval Mintz kfree(p_ooo_info); 2733587cb87STomer Tayar p_hwfn->p_ooo_info = NULL; 2741d6cff4fSYuval Mintz } 2751d6cff4fSYuval Mintz 2761d6cff4fSYuval Mintz void qed_ooo_put_free_buffer(struct qed_hwfn *p_hwfn, 2771d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 2781d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer) 2791d6cff4fSYuval Mintz { 2801d6cff4fSYuval Mintz list_add_tail(&p_buffer->list_entry, &p_ooo_info->free_buffers_list); 2811d6cff4fSYuval Mintz } 2821d6cff4fSYuval Mintz 2831d6cff4fSYuval Mintz struct qed_ooo_buffer *qed_ooo_get_free_buffer(struct qed_hwfn *p_hwfn, 2841d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info) 2851d6cff4fSYuval Mintz { 2861d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer = NULL; 2871d6cff4fSYuval Mintz 2881d6cff4fSYuval Mintz if (!list_empty(&p_ooo_info->free_buffers_list)) { 2891d6cff4fSYuval Mintz p_buffer = list_first_entry(&p_ooo_info->free_buffers_list, 2901d6cff4fSYuval Mintz struct qed_ooo_buffer, list_entry); 2911d6cff4fSYuval Mintz 2921d6cff4fSYuval Mintz list_del(&p_buffer->list_entry); 2931d6cff4fSYuval Mintz } 2941d6cff4fSYuval Mintz 2951d6cff4fSYuval Mintz return p_buffer; 2961d6cff4fSYuval Mintz } 2971d6cff4fSYuval Mintz 2981d6cff4fSYuval Mintz void qed_ooo_put_ready_buffer(struct qed_hwfn *p_hwfn, 2991d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 3001d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer, u8 on_tail) 3011d6cff4fSYuval Mintz { 3021d6cff4fSYuval Mintz if (on_tail) 3031d6cff4fSYuval Mintz list_add_tail(&p_buffer->list_entry, 3041d6cff4fSYuval Mintz &p_ooo_info->ready_buffers_list); 3051d6cff4fSYuval Mintz else 3061d6cff4fSYuval Mintz list_add(&p_buffer->list_entry, 3071d6cff4fSYuval Mintz &p_ooo_info->ready_buffers_list); 3081d6cff4fSYuval Mintz } 3091d6cff4fSYuval Mintz 3101d6cff4fSYuval Mintz struct qed_ooo_buffer *qed_ooo_get_ready_buffer(struct qed_hwfn *p_hwfn, 3111d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info) 3121d6cff4fSYuval Mintz { 3131d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer = NULL; 3141d6cff4fSYuval Mintz 3151d6cff4fSYuval Mintz if (!list_empty(&p_ooo_info->ready_buffers_list)) { 3161d6cff4fSYuval Mintz p_buffer = list_first_entry(&p_ooo_info->ready_buffers_list, 3171d6cff4fSYuval Mintz struct qed_ooo_buffer, list_entry); 3181d6cff4fSYuval Mintz 3191d6cff4fSYuval Mintz list_del(&p_buffer->list_entry); 3201d6cff4fSYuval Mintz } 3211d6cff4fSYuval Mintz 3221d6cff4fSYuval Mintz return p_buffer; 3231d6cff4fSYuval Mintz } 3241d6cff4fSYuval Mintz 3251d6cff4fSYuval Mintz void qed_ooo_delete_isles(struct qed_hwfn *p_hwfn, 3261d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 3271d6cff4fSYuval Mintz u32 cid, u8 drop_isle, u8 drop_size) 3281d6cff4fSYuval Mintz { 3291d6cff4fSYuval Mintz struct qed_ooo_isle *p_isle = NULL; 3301d6cff4fSYuval Mintz u8 isle_idx; 3311d6cff4fSYuval Mintz 3321d6cff4fSYuval Mintz for (isle_idx = 0; isle_idx < drop_size; isle_idx++) { 3331d6cff4fSYuval Mintz p_isle = qed_ooo_seek_isle(p_hwfn, p_ooo_info, cid, drop_isle); 3341d6cff4fSYuval Mintz if (!p_isle) { 3351d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 3361d6cff4fSYuval Mintz "Isle %d is not found(cid %d)\n", 3371d6cff4fSYuval Mintz drop_isle, cid); 3381d6cff4fSYuval Mintz return; 3391d6cff4fSYuval Mintz } 3401d6cff4fSYuval Mintz if (list_empty(&p_isle->buffers_list)) 3411d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 3421d6cff4fSYuval Mintz "Isle %d is empty(cid %d)\n", drop_isle, cid); 3431d6cff4fSYuval Mintz else 3441d6cff4fSYuval Mintz list_splice_tail_init(&p_isle->buffers_list, 3451d6cff4fSYuval Mintz &p_ooo_info->free_buffers_list); 3461d6cff4fSYuval Mintz 3471d6cff4fSYuval Mintz list_del(&p_isle->list_entry); 3481d6cff4fSYuval Mintz p_ooo_info->cur_isles_number--; 3491d6cff4fSYuval Mintz list_add(&p_isle->list_entry, &p_ooo_info->free_isles_list); 3501d6cff4fSYuval Mintz } 3511d6cff4fSYuval Mintz } 3521d6cff4fSYuval Mintz 3531d6cff4fSYuval Mintz void qed_ooo_add_new_isle(struct qed_hwfn *p_hwfn, 3541d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 3551d6cff4fSYuval Mintz u32 cid, u8 ooo_isle, 3561d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer) 3571d6cff4fSYuval Mintz { 3581d6cff4fSYuval Mintz struct qed_ooo_archipelago *p_archipelago = NULL; 3591d6cff4fSYuval Mintz struct qed_ooo_isle *p_prev_isle = NULL; 3601d6cff4fSYuval Mintz struct qed_ooo_isle *p_isle = NULL; 3611d6cff4fSYuval Mintz 3621d6cff4fSYuval Mintz if (ooo_isle > 1) { 3631d6cff4fSYuval Mintz p_prev_isle = qed_ooo_seek_isle(p_hwfn, 3641d6cff4fSYuval Mintz p_ooo_info, cid, ooo_isle - 1); 3651d6cff4fSYuval Mintz if (!p_prev_isle) { 3661d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 3671d6cff4fSYuval Mintz "Isle %d is not found(cid %d)\n", 3681d6cff4fSYuval Mintz ooo_isle - 1, cid); 3691d6cff4fSYuval Mintz return; 3701d6cff4fSYuval Mintz } 3711d6cff4fSYuval Mintz } 3721d6cff4fSYuval Mintz p_archipelago = qed_ooo_seek_archipelago(p_hwfn, p_ooo_info, cid); 3731d6cff4fSYuval Mintz if (!p_archipelago && (ooo_isle != 1)) { 3741d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 3751d6cff4fSYuval Mintz "Connection %d is not found in OOO list\n", cid); 3761d6cff4fSYuval Mintz return; 3771d6cff4fSYuval Mintz } 3781d6cff4fSYuval Mintz 3791d6cff4fSYuval Mintz if (!list_empty(&p_ooo_info->free_isles_list)) { 3801d6cff4fSYuval Mintz p_isle = list_first_entry(&p_ooo_info->free_isles_list, 3811d6cff4fSYuval Mintz struct qed_ooo_isle, list_entry); 3821d6cff4fSYuval Mintz 3831d6cff4fSYuval Mintz list_del(&p_isle->list_entry); 3841d6cff4fSYuval Mintz if (!list_empty(&p_isle->buffers_list)) { 3851d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, "Free isle is not empty\n"); 3861d6cff4fSYuval Mintz INIT_LIST_HEAD(&p_isle->buffers_list); 3871d6cff4fSYuval Mintz } 3881d6cff4fSYuval Mintz } else { 3891d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, "No more free isles\n"); 3901d6cff4fSYuval Mintz return; 3911d6cff4fSYuval Mintz } 3921d6cff4fSYuval Mintz 3931eec2437SMichal Kalderon if (!p_archipelago) { 3941eec2437SMichal Kalderon u32 idx = (cid & 0xffff) - p_ooo_info->cid_base; 3951d6cff4fSYuval Mintz 3961eec2437SMichal Kalderon p_archipelago = &p_ooo_info->p_archipelagos_mem[idx]; 3971d6cff4fSYuval Mintz } 3981d6cff4fSYuval Mintz 3991d6cff4fSYuval Mintz list_add(&p_buffer->list_entry, &p_isle->buffers_list); 4001d6cff4fSYuval Mintz p_ooo_info->cur_isles_number++; 4011d6cff4fSYuval Mintz p_ooo_info->gen_isles_number++; 4021d6cff4fSYuval Mintz 4031d6cff4fSYuval Mintz if (p_ooo_info->cur_isles_number > p_ooo_info->max_isles_number) 4041d6cff4fSYuval Mintz p_ooo_info->max_isles_number = p_ooo_info->cur_isles_number; 4051d6cff4fSYuval Mintz 4061d6cff4fSYuval Mintz if (!p_prev_isle) 4071d6cff4fSYuval Mintz list_add(&p_isle->list_entry, &p_archipelago->isles_list); 4081d6cff4fSYuval Mintz else 4091d6cff4fSYuval Mintz list_add(&p_isle->list_entry, &p_prev_isle->list_entry); 4101d6cff4fSYuval Mintz } 4111d6cff4fSYuval Mintz 4121d6cff4fSYuval Mintz void qed_ooo_add_new_buffer(struct qed_hwfn *p_hwfn, 4131d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, 4141d6cff4fSYuval Mintz u32 cid, 4151d6cff4fSYuval Mintz u8 ooo_isle, 4161d6cff4fSYuval Mintz struct qed_ooo_buffer *p_buffer, u8 buffer_side) 4171d6cff4fSYuval Mintz { 4181d6cff4fSYuval Mintz struct qed_ooo_isle *p_isle = NULL; 4191d6cff4fSYuval Mintz 4201d6cff4fSYuval Mintz p_isle = qed_ooo_seek_isle(p_hwfn, p_ooo_info, cid, ooo_isle); 4211d6cff4fSYuval Mintz if (!p_isle) { 4221d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 4231d6cff4fSYuval Mintz "Isle %d is not found(cid %d)\n", ooo_isle, cid); 4241d6cff4fSYuval Mintz return; 4251d6cff4fSYuval Mintz } 4261d6cff4fSYuval Mintz 4271d6cff4fSYuval Mintz if (buffer_side == QED_OOO_LEFT_BUF) 4281d6cff4fSYuval Mintz list_add(&p_buffer->list_entry, &p_isle->buffers_list); 4291d6cff4fSYuval Mintz else 4301d6cff4fSYuval Mintz list_add_tail(&p_buffer->list_entry, &p_isle->buffers_list); 4311d6cff4fSYuval Mintz } 4321d6cff4fSYuval Mintz 4331d6cff4fSYuval Mintz void qed_ooo_join_isles(struct qed_hwfn *p_hwfn, 4341d6cff4fSYuval Mintz struct qed_ooo_info *p_ooo_info, u32 cid, u8 left_isle) 4351d6cff4fSYuval Mintz { 4361d6cff4fSYuval Mintz struct qed_ooo_isle *p_right_isle = NULL; 4371d6cff4fSYuval Mintz struct qed_ooo_isle *p_left_isle = NULL; 4381d6cff4fSYuval Mintz 4391d6cff4fSYuval Mintz p_right_isle = qed_ooo_seek_isle(p_hwfn, p_ooo_info, cid, 4401d6cff4fSYuval Mintz left_isle + 1); 4411d6cff4fSYuval Mintz if (!p_right_isle) { 4421d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 4431d6cff4fSYuval Mintz "Right isle %d is not found(cid %d)\n", 4441d6cff4fSYuval Mintz left_isle + 1, cid); 4451d6cff4fSYuval Mintz return; 4461d6cff4fSYuval Mintz } 4471d6cff4fSYuval Mintz 4481d6cff4fSYuval Mintz list_del(&p_right_isle->list_entry); 4491d6cff4fSYuval Mintz p_ooo_info->cur_isles_number--; 4501d6cff4fSYuval Mintz if (left_isle) { 4511d6cff4fSYuval Mintz p_left_isle = qed_ooo_seek_isle(p_hwfn, p_ooo_info, cid, 4521d6cff4fSYuval Mintz left_isle); 4531d6cff4fSYuval Mintz if (!p_left_isle) { 4541d6cff4fSYuval Mintz DP_NOTICE(p_hwfn, 4551d6cff4fSYuval Mintz "Left isle %d is not found(cid %d)\n", 4561d6cff4fSYuval Mintz left_isle, cid); 4571d6cff4fSYuval Mintz return; 4581d6cff4fSYuval Mintz } 4591d6cff4fSYuval Mintz list_splice_tail_init(&p_right_isle->buffers_list, 4601d6cff4fSYuval Mintz &p_left_isle->buffers_list); 4611d6cff4fSYuval Mintz } else { 4621d6cff4fSYuval Mintz list_splice_tail_init(&p_right_isle->buffers_list, 4631d6cff4fSYuval Mintz &p_ooo_info->ready_buffers_list); 4641d6cff4fSYuval Mintz } 4651d6cff4fSYuval Mintz list_add_tail(&p_right_isle->list_entry, &p_ooo_info->free_isles_list); 4661d6cff4fSYuval Mintz } 467