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GET /api/1.2/patches/2235029/?format=api
{ "id": 2235029, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2235029/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260508124208.11622-13-przemyslaw.kitszel@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/1.2/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260508124208.11622-13-przemyslaw.kitszel@intel.com>", "list_archive_url": null, "date": "2026-05-08T12:42:05", "name": "[iwl-next,v1,12/15] ice: introduce handling of virtchnl LARGE VF opcodes", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "2d52b29545c5c2febe3cb27c4a2a2da743212ee4", "submitter": { "id": 85252, "url": "http://patchwork.ozlabs.org/api/1.2/people/85252/?format=api", "name": "Przemek Kitszel", "email": "przemyslaw.kitszel@intel.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20260508124208.11622-13-przemyslaw.kitszel@intel.com/mbox/", "series": [ { "id": 503388, "url": "http://patchwork.ozlabs.org/api/1.2/series/503388/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/list/?series=503388", "date": "2026-05-08T12:41:53", "name": "devlink, mlx5, iavf, ice: XLVF for iavf", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/503388/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2235029/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2235029/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=osuosl.org header.i=@osuosl.org header.a=rsa-sha256\n header.s=default header.b=FhvMM193;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org\n (client-ip=2605:bc80:3010::138; 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envelope-from=intel-wired-lan-bounces@osuosl.org;\n receiver=<UNKNOWN> ", "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 smtp1.osuosl.org 725C4826EF", "OpenDKIM Filter v2.11.0 smtp4.osuosl.org E615D410AA" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org;\n\ts=default; t=1778245203;\n\tbh=+5gn+OnENhflxhj73zQ0DRQ7MpYrioV2fy6396N14wQ=;\n\th=From:To:Cc:Date:In-Reply-To:References:Subject:List-Id:\n\t List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe:\n\t From;\n\tb=FhvMM193EHPhVP11XbTgwEehMuvEmDKvF6aYrC/Kly8yoQdwundnXjaD/qe5mvo3Y\n\t 48szHXVUTZCIZ9XI9y2dWQW//IVkZ3ved5JNYNEu2mjnCcxh1ZhhcTjjl/4FootR97\n\t D+b5A8hS/1SfKD+uyRAtXUPy8V3/P1b6EMq03Xv8+cotuj8O4Ev4TC3c5klNHFRd2y\n\t YVJ1ZT9vWTHMXZ+BUt2sSeSYkFdrafeikA6ZjDlL3ZS/IlJCBaqKmeiVgOjcmnxuHs\n\t EaRdnR1ikhIXFeYwmYB3SpOUD5SAnKpUXR4oD5e2+bDNpR2EhV1uB/IWQDQHZ1mfBL\n\t wOmW7QjhqC1/w==", "Received-SPF": "Pass (mailfrom) identity=mailfrom; client-ip=198.175.65.17;\n helo=mgamail.intel.com; envelope-from=przemyslaw.kitszel@intel.com;\n receiver=<UNKNOWN>", "DMARC-Filter": "OpenDMARC Filter v1.4.2 smtp4.osuosl.org E615D410AA", "X-CSE-ConnectionGUID": [ "odQF55JMQ4iK9uhBd65jyQ==", "S+prxU8KRyq5cKKUH4opnw==" ], "X-CSE-MsgGUID": [ "/je1zVz/SN2kgG9Kjw59ew==", "pGlF8a4LQgaASAXSQaQduw==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6800,10657,11779\"; a=\"79199971\"", "E=Sophos;i=\"6.23,223,1770624000\"; d=\"scan'208\";a=\"79199971\"", "E=Sophos;i=\"6.23,223,1770624000\"; d=\"scan'208\";a=\"241730161\"" ], "X-ExtLoop1": "1", "From": "Przemek Kitszel <przemyslaw.kitszel@intel.com>", "To": "intel-wired-lan@lists.osuosl.org, Michal Schmidt <mschmidt@redhat.com>,\n Jakub Kicinski <kuba@kernel.org>, Jiri Pirko <jiri@resnulli.us>", "Cc": "netdev@vger.kernel.org, Simon Horman <horms@kernel.org>,\n Tony Nguyen <anthony.l.nguyen@intel.com>,\n Michal Swiatkowski <michal.swiatkowski@linux.intel.com>,\n bruce.richardson@intel.com,\n Vladimir Medvedkin <vladimir.medvedkin@intel.com>,\n padraig.j.connolly@intel.com, ananth.s@intel.com,\n timothy.miskell@intel.com, Jacob Keller <jacob.e.keller@intel.com>,\n Lukasz Czapnik <lukasz.czapnik@intel.com>,\n Aleksandr Loktionov <aleksandr.loktionov@intel.com>,\n Andrew Lunn <andrew+netdev@lunn.ch>,\n \"David S. Miller\" <davem@davemloft.net>,\n Eric Dumazet <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>,\n Saeed Mahameed <saeedm@nvidia.com>, Leon Romanovsky <leon@kernel.org>,\n Tariq Toukan <tariqt@nvidia.com>, Mark Bloch <mbloch@nvidia.com>,\n Przemek Kitszel <przemyslaw.kitszel@intel.com>", "Date": "Fri, 8 May 2026 14:42:05 +0200", "Message-Id": "<20260508124208.11622-13-przemyslaw.kitszel@intel.com>", "X-Mailer": "git-send-email 2.39.3", "In-Reply-To": "<20260508124208.11622-1-przemyslaw.kitszel@intel.com>", "References": "<20260508124208.11622-1-przemyslaw.kitszel@intel.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Mailman-Original-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1778245202; x=1809781202;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=aOY+1PAmf+sRv0Rgt9OoKUU8GhDT+msBIr+iZE9nWWQ=;\n b=I79QE8hFEE1TO0z0BvWbRZOEImruZks7zhG450OP1Tmu1OycwbSY1jtF\n kL7pLFyTeoEkXzZaC6PpsD75EBq1cjxw9cYbgG+Wa/YI3co5oLlOMArRL\n LL4+3osgjiixIlRVhyS++SLihvPRBRnbsf2eOWsKn25MTkrORJvxFipcJ\n OsPNPq6r9fssOPNCAat+WTzKTGQEGgKvzmzW2b/BhPpHT+KjcHGUbEg5Q\n lwsIa9eI7kMXFUcikrMeMBXid/boaYV875Ig30Nw72fKGtYvQXu1M5PyI\n ok7xkqkt6W8mWyZLlAvGUITP/M+UJoscLFfw9MuGbg+FZyLDoqacfSrwA\n Q==;", "X-Mailman-Original-Authentication-Results": [ "smtp4.osuosl.org;\n dmarc=pass (p=none dis=none)\n header.from=intel.com", "smtp4.osuosl.org;\n dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com\n header.a=rsa-sha256 header.s=Intel header.b=I79QE8hF" ], "Subject": "[Intel-wired-lan] [PATCH iwl-next v1 12/15] ice: introduce handling\n of virtchnl LARGE VF opcodes", "X-BeenThere": "intel-wired-lan@osuosl.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n <intel-wired-lan.osuosl.org>", "List-Unsubscribe": "<https://lists.osuosl.org/mailman/options/intel-wired-lan>,\n <mailto:intel-wired-lan-request@osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@osuosl.org?subject=help>", "List-Subscribe": "<https://lists.osuosl.org/mailman/listinfo/intel-wired-lan>,\n <mailto:intel-wired-lan-request@osuosl.org?subject=subscribe>", "Errors-To": "intel-wired-lan-bounces@osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@osuosl.org>" }, "content": "From: Brett Creeley <brett.creeley@intel.com>\n\nWith new virtchnl offload/capability VFs are able to make use of more than\n16 queues. But to old opcodes were designed with a max of 16 queues, so\nnew ones were added (by iavf/virtchnl commit of this series):\nVIRTCHNL_OP_GET_MAX_RSS_QREGION, VIRTCHNL_OP_ENABLE_QUEUES_V2,\nVIRTCHNL_OP_DISABLE_QUEUES_V2, VIRTCHNL_OP_MAP_QUEUE_VECTOR.\n\nIf a VF wishes to request >16 queues it should first make sure that the\nPF supports the VIRTCHNL_VF_LARGE_NUM_QPAIRS capability.\n\nCo-developed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>\nSigned-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>\nCo-developed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> # msglen val\nSigned-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>\nSigned-off-by: Brett Creeley <brett.creeley@intel.com>\n---\n drivers/net/ethernet/intel/ice/ice_vf_lib.h | 1 +\n drivers/net/ethernet/intel/ice/virt/queues.h | 3 +\n .../net/ethernet/intel/ice/virt/allowlist.c | 8 +\n drivers/net/ethernet/intel/ice/virt/queues.c | 324 ++++++++++++++++++\n 4 files changed, 336 insertions(+)", "diff": "diff --git a/drivers/net/ethernet/intel/ice/ice_vf_lib.h b/drivers/net/ethernet/intel/ice/ice_vf_lib.h\nindex 1b56f7150eb7..5411eaa1761c 100644\n--- a/drivers/net/ethernet/intel/ice/ice_vf_lib.h\n+++ b/drivers/net/ethernet/intel/ice/ice_vf_lib.h\n@@ -125,6 +125,7 @@ struct ice_vf_ops {\n \tvoid (*clear_reset_trigger)(struct ice_vf *vf);\n \tvoid (*irq_close)(struct ice_vf *vf);\n \tvoid (*post_vsi_rebuild)(struct ice_vf *vf);\n+\tstruct ice_q_vector *(*get_q_vector)(struct ice_vsi *vsi, u16 vec_id);\n };\n \n /* Virtchnl/SR-IOV config info */\ndiff --git a/drivers/net/ethernet/intel/ice/virt/queues.h b/drivers/net/ethernet/intel/ice/virt/queues.h\nindex c4a792cecea1..223f609dd4f3 100644\n--- a/drivers/net/ethernet/intel/ice/virt/queues.h\n+++ b/drivers/net/ethernet/intel/ice/virt/queues.h\n@@ -16,5 +16,8 @@ int ice_vc_cfg_q_bw(struct ice_vf *vf, u8 *msg);\n int ice_vc_cfg_q_quanta(struct ice_vf *vf, u8 *msg);\n int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg);\n int ice_vc_request_qs_msg(struct ice_vf *vf, u8 *msg);\n+int ice_vc_ena_qs_v2_msg(struct ice_vf *vf, u8 *msg, u16 msglen);\n+int ice_vc_dis_qs_v2_msg(struct ice_vf *vf, u8 *msg, u16 msglen);\n+int ice_vc_map_q_vector_msg(struct ice_vf *vf, u8 *msg, u16 msglen);\n \n #endif /* _ICE_VIRT_QUEUES_H_ */\ndiff --git a/drivers/net/ethernet/intel/ice/virt/allowlist.c b/drivers/net/ethernet/intel/ice/virt/allowlist.c\nindex a07efec19c45..ef769b843c6f 100644\n--- a/drivers/net/ethernet/intel/ice/virt/allowlist.c\n+++ b/drivers/net/ethernet/intel/ice/virt/allowlist.c\n@@ -95,6 +95,13 @@ static const u32 tc_allowlist_opcodes[] = {\n \tVIRTCHNL_OP_CONFIG_QUANTA,\n };\n \n+static const u32 large_num_qpairs_allowlist_opcodes[] = {\n+\tVIRTCHNL_OP_GET_MAX_RSS_QREGION,\n+\tVIRTCHNL_OP_ENABLE_QUEUES_V2,\n+\tVIRTCHNL_OP_DISABLE_QUEUES_V2,\n+\tVIRTCHNL_OP_MAP_QUEUE_VECTOR,\n+};\n+\n struct allowlist_opcode_info {\n \tconst u32 *opcodes;\n \tsize_t size;\n@@ -117,6 +124,7 @@ static const struct allowlist_opcode_info allowlist_opcodes[] = {\n \tALLOW_ITEM(VIRTCHNL_VF_OFFLOAD_VLAN_V2, vlan_v2_allowlist_opcodes),\n \tALLOW_ITEM(VIRTCHNL_VF_OFFLOAD_QOS, tc_allowlist_opcodes),\n \tALLOW_ITEM(VIRTCHNL_VF_CAP_PTP, ptp_allowlist_opcodes),\n+\tALLOW_ITEM(VIRTCHNL_VF_LARGE_NUM_QPAIRS, large_num_qpairs_allowlist_opcodes),\n };\n \n /**\ndiff --git a/drivers/net/ethernet/intel/ice/virt/queues.c b/drivers/net/ethernet/intel/ice/virt/queues.c\nindex 1d9f69026d1b..b99f18a25024 100644\n--- a/drivers/net/ethernet/intel/ice/virt/queues.c\n+++ b/drivers/net/ethernet/intel/ice/virt/queues.c\n@@ -1021,3 +1021,327 @@ int ice_vc_request_qs_msg(struct ice_vf *vf, u8 *msg)\n \t\t\t\t v_ret, (u8 *)vfres, sizeof(*vfres));\n }\n \n+static bool ice_vc_supported_queue_type(s32 queue_type)\n+{\n+\treturn queue_type == VIRTCHNL_QUEUE_TYPE_RX ||\n+\t queue_type == VIRTCHNL_QUEUE_TYPE_TX;\n+}\n+\n+/**\n+ * ice_vc_validate_qs_v2_msg - validate all qs_msg parameters\n+ * @vf: VF the message was received from\n+ * @qs_msg: contents of the message from the VF\n+ * @msglen: length of @qs_msg\n+ *\n+ * Used to validate both the VIRTCHNL_OP_ENABLE_QUEUES_V2 and\n+ * VIRTCHNL_OP_DISABLE_QUEUES_V2 messages. This should always be called before\n+ * attempting to enable and/or disable queues on behalf of a VF in response to\n+ * the previously mentioned opcodes.\n+ *\n+ * Return: If all checks succeed, then return true. Otherwise return\n+ * false, indicating to the caller that the qs_msg is invalid.\n+ */\n+static bool ice_vc_validate_qs_v2_msg(struct ice_vf *vf,\n+\t\t\t\t struct virtchnl_del_ena_dis_queues *qs_msg,\n+\t\t\t\t u16 msglen)\n+{\n+\tif (msglen < virtchnl_struct_size(qs_msg, chunks, 0))\n+\t\treturn false;\n+\n+\tif (msglen < virtchnl_struct_size(qs_msg, chunks, qs_msg->num_chunks))\n+\t\treturn false;\n+\n+\tif (!qs_msg->num_chunks)\n+\t\treturn false;\n+\n+\tif (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))\n+\t\treturn false;\n+\n+\tif (!ice_vc_isvalid_vsi_id(vf, qs_msg->vport_id))\n+\t\treturn false;\n+\n+\tfor (int i = 0; i < qs_msg->num_chunks; i++) {\n+\t\tu32 max_queue_in_chunk;\n+\n+\t\tif (!ice_vc_supported_queue_type(qs_msg->chunks[i].type))\n+\t\t\treturn false;\n+\n+\t\tif (!qs_msg->chunks[i].num_queues)\n+\t\t\treturn false;\n+\n+\t\tmax_queue_in_chunk = qs_msg->chunks[i].start_queue_id +\n+\t\t\t\t qs_msg->chunks[i].num_queues;\n+\t\tif (max_queue_in_chunk > vf->num_vf_qs)\n+\t\t\treturn false;\n+\t}\n+\n+\treturn true;\n+}\n+\n+#define ice_for_each_q_in_chunk(chunk, q_id) \\\n+\tfor ((q_id) = (chunk)->start_queue_id; \\\n+\t (q_id) < (chunk)->start_queue_id + (chunk)->num_queues; \\\n+\t (q_id)++)\n+\n+static int\n+ice_vc_ena_rxq_chunk(struct ice_vf *vf, struct virtchnl_queue_chunk *chunk)\n+{\n+\tstruct ice_vsi *vsi;\n+\tu32 vf_qid;\n+\n+\tice_for_each_q_in_chunk(chunk, vf_qid) {\n+\t\tint err;\n+\n+\t\tvsi = ice_get_vf_vsi(vf);\n+\t\terr = ice_vf_vsi_ena_single_rxq(vf, vsi, vf_qid);\n+\t\tif (err)\n+\t\t\treturn err;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static int\n+ice_vc_ena_txq_chunk(struct ice_vf *vf, struct virtchnl_queue_chunk *chunk)\n+{\n+\tstruct ice_vsi *vsi;\n+\tu32 vf_qid;\n+\n+\tice_for_each_q_in_chunk(chunk, vf_qid) {\n+\t\tvsi = ice_get_vf_vsi(vf);\n+\t\tice_vf_vsi_ena_single_txq(vf, vsi, vf_qid);\n+\t}\n+\n+\treturn 0;\n+}\n+\n+/**\n+ * ice_vc_ena_qs_v2_msg - message handling for VIRTCHNL_OP_ENABLE_QUEUES_V2\n+ * @vf: source of the request\n+ * @msg: message to handle\n+ * @msglen: length of the @msg\n+ *\n+ * Return: 0 on success or negative on error.\n+ */\n+int ice_vc_ena_qs_v2_msg(struct ice_vf *vf, u8 *msg, u16 msglen)\n+{\n+\tstruct virtchnl_del_ena_dis_queues *ena_qs_msg =\n+\t\t\t(struct virtchnl_del_ena_dis_queues *)msg;\n+\tenum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;\n+\n+\tif (!ice_vc_validate_qs_v2_msg(vf, ena_qs_msg, msglen))\n+\t\tgoto error_param;\n+\n+\tfor (int i = 0; i < ena_qs_msg->num_chunks; i++) {\n+\t\tstruct virtchnl_queue_chunk *chunk = &ena_qs_msg->chunks[i];\n+\n+\t\tif (chunk->type == VIRTCHNL_QUEUE_TYPE_RX &&\n+\t\t ice_vc_ena_rxq_chunk(vf, chunk))\n+\t\t\tv_ret = VIRTCHNL_STATUS_ERR_PARAM;\n+\t\telse if (chunk->type == VIRTCHNL_QUEUE_TYPE_TX &&\n+\t\t\t ice_vc_ena_txq_chunk(vf, chunk))\n+\t\t\tv_ret = VIRTCHNL_STATUS_ERR_PARAM;\n+\n+\t\tif (v_ret != VIRTCHNL_STATUS_SUCCESS)\n+\t\t\tgoto error_param;\n+\t}\n+\n+\tset_bit(ICE_VF_STATE_QS_ENA, vf->vf_states);\n+\n+error_param:\n+\treturn ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_QUEUES_V2,\n+\t\t\t\t v_ret, NULL, 0);\n+}\n+\n+static int\n+ice_vc_dis_rxq_chunk(struct ice_vf *vf, struct virtchnl_queue_chunk *chunk)\n+{\n+\tstruct ice_vsi *vsi;\n+\tu32 vf_qid;\n+\n+\tice_for_each_q_in_chunk(chunk, vf_qid) {\n+\t\tint err;\n+\n+\t\tvsi = ice_get_vf_vsi(vf);\n+\t\terr = ice_vf_vsi_dis_single_rxq(vf, vsi, vf_qid);\n+\t\tif (err)\n+\t\t\treturn err;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+static int\n+ice_vc_dis_txq_chunk(struct ice_vf *vf, struct virtchnl_queue_chunk *chunk)\n+{\n+\tstruct ice_vsi *vsi;\n+\tu32 vf_qid;\n+\n+\tice_for_each_q_in_chunk(chunk, vf_qid) {\n+\t\tint err;\n+\n+\t\tvsi = ice_get_vf_vsi(vf);\n+\t\terr = ice_vf_vsi_dis_single_txq(vf, vsi, vf_qid);\n+\t\tif (err)\n+\t\t\treturn err;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+/**\n+ * ice_vc_dis_qs_v2_msg - message handling for VIRTCHNL_OP_DISABLE_QUEUES_V2\n+ * @vf: source of the request\n+ * @msg: message to handle\n+ * @msglen: length of @msg\n+ *\n+ * Return: 0 on success or negative on error.\n+ */\n+int ice_vc_dis_qs_v2_msg(struct ice_vf *vf, u8 *msg, u16 msglen)\n+{\n+\tstruct virtchnl_del_ena_dis_queues *dis_qs_msg =\n+\t\t\t(struct virtchnl_del_ena_dis_queues *)msg;\n+\tenum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;\n+\n+\tif (!ice_vc_validate_qs_v2_msg(vf, dis_qs_msg, msglen))\n+\t\tgoto error_param;\n+\n+\tfor (int i = 0; i < dis_qs_msg->num_chunks; i++) {\n+\t\tstruct virtchnl_queue_chunk *chunk = &dis_qs_msg->chunks[i];\n+\n+\t\tif (chunk->type == VIRTCHNL_QUEUE_TYPE_RX &&\n+\t\t ice_vc_dis_rxq_chunk(vf, chunk))\n+\t\t\tv_ret = VIRTCHNL_STATUS_ERR_PARAM;\n+\t\telse if (chunk->type == VIRTCHNL_QUEUE_TYPE_TX &&\n+\t\t\t ice_vc_dis_txq_chunk(vf, chunk))\n+\t\t\tv_ret = VIRTCHNL_STATUS_ERR_PARAM;\n+\n+\t\tif (v_ret != VIRTCHNL_STATUS_SUCCESS)\n+\t\t\tgoto error_param;\n+\t}\n+\n+\tif (ice_vf_has_no_qs_ena(vf))\n+\t\tclear_bit(ICE_VF_STATE_QS_ENA, vf->vf_states);\n+\n+error_param:\n+\treturn ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_QUEUES_V2,\n+\t\t\t\t v_ret, NULL, 0);\n+}\n+\n+/**\n+ * ice_vc_validate_qv_maps - validate parameters sent in the qs_msg structure\n+ * @vf: VF the message was received from\n+ * @qv_maps: contents of the message from the VF\n+ * @msglen: length of the @qv_maps\n+ *\n+ * Used to validate VIRTCHNL_OP_MAP_QUEUE_VECTOR messages. This should always\n+ * be called before attempting map interrupts to queues. If all checks succeed,\n+ * then return success indicating to the caller that the qv_maps are valid.\n+ * Otherwise return false, indicating to the caller that the qv_maps are\n+ * invalid.\n+ *\n+ * Return: true if parameters are valid, false otherwise.\n+ */\n+static bool ice_vc_validate_qv_maps(struct ice_vf *vf,\n+\t\t\t\t struct virtchnl_queue_vector_maps *qv_maps,\n+\t\t\t\t u16 msglen)\n+{\n+\tstruct ice_vsi *vsi;\n+\tint total_vectors;\n+\n+\tvsi = vf->pf->vsi[vf->lan_vsi_idx];\n+\tif (!vsi)\n+\t\treturn false;\n+\n+\tif (msglen < virtchnl_struct_size(qv_maps, qv_maps, 0))\n+\t\treturn false;\n+\n+\tif (msglen < virtchnl_struct_size(qv_maps, qv_maps, qv_maps->num_qv_maps))\n+\t\treturn false;\n+\n+\tif (!qv_maps->num_qv_maps)\n+\t\treturn false;\n+\n+\tif (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))\n+\t\treturn false;\n+\n+\tif (!ice_vc_isvalid_vsi_id(vf, qv_maps->vport_id))\n+\t\treturn false;\n+\n+\ttotal_vectors = vsi->num_q_vectors + ICE_NONQ_VECS_VF;\n+\n+\tfor (int i = 0; i < qv_maps->num_qv_maps; i++) {\n+\t\tif (!ice_vc_supported_queue_type(qv_maps->qv_maps[i].queue_type))\n+\t\t\treturn false;\n+\n+\t\tif (qv_maps->qv_maps[i].queue_id >= vf->num_vf_qs)\n+\t\t\treturn false;\n+\n+\t\tif (qv_maps->qv_maps[i].vector_id >= total_vectors ||\n+\t\t qv_maps->qv_maps[i].vector_id < ICE_NONQ_VECS_VF)\n+\t\t\treturn false;\n+\t}\n+\n+\treturn true;\n+}\n+\n+/**\n+ * ice_vc_map_q_vector_msg - message handling for VIRTCHNL_OP_MAP_QUEUE_VECTOR\n+ * @vf: source of the request\n+ * @msg: message to handle\n+ * @msglen: length of @msg\n+ *\n+ * Return: 0 on success or negative on error\n+ */\n+int ice_vc_map_q_vector_msg(struct ice_vf *vf, u8 *msg, u16 msglen)\n+{\n+\tenum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;\n+\tstruct virtchnl_queue_vector_maps *qv_maps;\n+\tstruct ice_vsi *vsi;\n+\n+\tqv_maps = (struct virtchnl_queue_vector_maps *)msg;\n+\n+\tif (!ice_vc_validate_qv_maps(vf, qv_maps, msglen)) {\n+\t\tv_ret = VIRTCHNL_STATUS_ERR_PARAM;\n+\t\tgoto error_param;\n+\t}\n+\n+\tfor (int i = 0; i < qv_maps->num_qv_maps; i++) {\n+\t\tstruct virtchnl_queue_vector *qv_map = &qv_maps->qv_maps[i];\n+\t\tstruct ice_q_vector *q_vector;\n+\t\tu16 vector_id;\n+\t\tint vsi_q_id;\n+\n+\t\tvsi = ice_get_vf_vsi(vf);\n+\t\tvsi_q_id = qv_map->queue_id;\n+\t\tvector_id = qv_map->vector_id;\n+\n+\t\tif (!vsi) {\n+\t\t\tv_ret = VIRTCHNL_STATUS_ERR_PARAM;\n+\t\t\tgoto error_param;\n+\t\t}\n+\n+\t\tq_vector = vf->vf_ops->get_q_vector(vsi, vector_id);\n+\n+\t\tif (!q_vector) {\n+\t\t\tv_ret = VIRTCHNL_STATUS_ERR_PARAM;\n+\t\t\tgoto error_param;\n+\t\t}\n+\n+\t\tif (!ice_vc_isvalid_q_id(vsi, vsi_q_id))\n+\t\t\treturn VIRTCHNL_STATUS_ERR_PARAM;\n+\n+\t\tif (qv_map->queue_type == VIRTCHNL_QUEUE_TYPE_RX)\n+\t\t\tice_cfg_rxq_interrupt(vsi, vsi_q_id,\n+\t\t\t\t\t q_vector->vf_reg_idx,\n+\t\t\t\t\t qv_map->itr_idx);\n+\t\telse if (qv_map->queue_type == VIRTCHNL_QUEUE_TYPE_TX)\n+\t\t\tice_cfg_txq_interrupt(vsi, vsi_q_id,\n+\t\t\t\t\t q_vector->vf_reg_idx,\n+\t\t\t\t\t qv_map->itr_idx);\n+\t}\n+\n+error_param:\n+\treturn ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_MAP_QUEUE_VECTOR,\n+\t\t\t\t v_ret, NULL, 0);\n+}\n", "prefixes": [ "iwl-next", "v1", "12/15" ] }