Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 1 | /* |
| 2 | * QLogic qlcnic NIC Driver |
| 3 | * Copyright (c) 2009-2013 QLogic Corporation |
| 4 | * |
| 5 | * See LICENSE.qlcnic for copyright and licensing details. |
| 6 | */ |
| 7 | |
| 8 | #include "qlcnic_sriov.h" |
| 9 | #include "qlcnic.h" |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 10 | #include "qlcnic_83xx_hw.h" |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 11 | #include <linux/types.h> |
| 12 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 13 | #define QLC_BC_COMMAND 0 |
| 14 | #define QLC_BC_RESPONSE 1 |
| 15 | |
| 16 | #define QLC_MBOX_RESP_TIMEOUT (10 * HZ) |
| 17 | #define QLC_MBOX_CH_FREE_TIMEOUT (10 * HZ) |
| 18 | |
| 19 | #define QLC_BC_MSG 0 |
| 20 | #define QLC_BC_CFREE 1 |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 21 | #define QLC_BC_FLR 2 |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 22 | #define QLC_BC_HDR_SZ 16 |
| 23 | #define QLC_BC_PAYLOAD_SZ (1024 - QLC_BC_HDR_SZ) |
| 24 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 25 | #define QLC_DEFAULT_RCV_DESCRIPTORS_SRIOV_VF 2048 |
| 26 | #define QLC_DEFAULT_JUMBO_RCV_DESCRIPTORS_SRIOV_VF 512 |
| 27 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 28 | #define QLC_83XX_VF_RESET_FAIL_THRESH 8 |
| 29 | #define QLC_BC_CMD_MAX_RETRY_CNT 5 |
| 30 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 31 | static void qlcnic_sriov_vf_free_mac_list(struct qlcnic_adapter *); |
| 32 | static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *, u32); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 33 | static void qlcnic_sriov_vf_poll_dev_state(struct work_struct *); |
| 34 | static void qlcnic_sriov_vf_cancel_fw_work(struct qlcnic_adapter *); |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 35 | static void qlcnic_sriov_cleanup_transaction(struct qlcnic_bc_trans *); |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 36 | static int qlcnic_sriov_issue_cmd(struct qlcnic_adapter *, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 37 | struct qlcnic_cmd_args *); |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 38 | static int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *, u8); |
Sucheta Chakraborty | 1267ff9 | 2013-05-23 21:04:29 +0000 | [diff] [blame] | 39 | static void qlcnic_sriov_process_bc_cmd(struct work_struct *); |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 40 | static int qlcnic_sriov_vf_shutdown(struct pci_dev *); |
| 41 | static int qlcnic_sriov_vf_resume(struct qlcnic_adapter *); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 42 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 43 | static struct qlcnic_hardware_ops qlcnic_sriov_vf_hw_ops = { |
| 44 | .read_crb = qlcnic_83xx_read_crb, |
| 45 | .write_crb = qlcnic_83xx_write_crb, |
| 46 | .read_reg = qlcnic_83xx_rd_reg_indirect, |
| 47 | .write_reg = qlcnic_83xx_wrt_reg_indirect, |
| 48 | .get_mac_address = qlcnic_83xx_get_mac_address, |
| 49 | .setup_intr = qlcnic_83xx_setup_intr, |
| 50 | .alloc_mbx_args = qlcnic_83xx_alloc_mbx_args, |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 51 | .mbx_cmd = qlcnic_sriov_issue_cmd, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 52 | .get_func_no = qlcnic_83xx_get_func_no, |
| 53 | .api_lock = qlcnic_83xx_cam_lock, |
| 54 | .api_unlock = qlcnic_83xx_cam_unlock, |
| 55 | .process_lb_rcv_ring_diag = qlcnic_83xx_process_rcv_ring_diag, |
| 56 | .create_rx_ctx = qlcnic_83xx_create_rx_ctx, |
| 57 | .create_tx_ctx = qlcnic_83xx_create_tx_ctx, |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 58 | .del_rx_ctx = qlcnic_83xx_del_rx_ctx, |
| 59 | .del_tx_ctx = qlcnic_83xx_del_tx_ctx, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 60 | .setup_link_event = qlcnic_83xx_setup_link_event, |
| 61 | .get_nic_info = qlcnic_83xx_get_nic_info, |
| 62 | .get_pci_info = qlcnic_83xx_get_pci_info, |
| 63 | .set_nic_info = qlcnic_83xx_set_nic_info, |
| 64 | .change_macvlan = qlcnic_83xx_sre_macaddr_change, |
| 65 | .napi_enable = qlcnic_83xx_napi_enable, |
| 66 | .napi_disable = qlcnic_83xx_napi_disable, |
| 67 | .config_intr_coal = qlcnic_83xx_config_intr_coal, |
| 68 | .config_rss = qlcnic_83xx_config_rss, |
| 69 | .config_hw_lro = qlcnic_83xx_config_hw_lro, |
| 70 | .config_promisc_mode = qlcnic_83xx_nic_set_promisc, |
| 71 | .change_l2_filter = qlcnic_83xx_change_l2_filter, |
| 72 | .get_board_info = qlcnic_83xx_get_port_info, |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 73 | .free_mac_list = qlcnic_sriov_vf_free_mac_list, |
Manish chopra | 2cc5752 | 2014-01-23 17:18:30 -0500 | [diff] [blame] | 74 | .enable_sds_intr = qlcnic_83xx_enable_sds_intr, |
| 75 | .disable_sds_intr = qlcnic_83xx_disable_sds_intr, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 76 | }; |
| 77 | |
| 78 | static struct qlcnic_nic_template qlcnic_sriov_vf_ops = { |
| 79 | .config_bridged_mode = qlcnic_config_bridged_mode, |
| 80 | .config_led = qlcnic_config_led, |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 81 | .cancel_idc_work = qlcnic_sriov_vf_cancel_fw_work, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 82 | .napi_add = qlcnic_83xx_napi_add, |
| 83 | .napi_del = qlcnic_83xx_napi_del, |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 84 | .shutdown = qlcnic_sriov_vf_shutdown, |
| 85 | .resume = qlcnic_sriov_vf_resume, |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 86 | .config_ipaddr = qlcnic_83xx_config_ipaddr, |
| 87 | .clear_legacy_intr = qlcnic_83xx_clear_legacy_intr, |
| 88 | }; |
| 89 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 90 | static const struct qlcnic_mailbox_metadata qlcnic_sriov_bc_mbx_tbl[] = { |
| 91 | {QLCNIC_BC_CMD_CHANNEL_INIT, 2, 2}, |
| 92 | {QLCNIC_BC_CMD_CHANNEL_TERM, 2, 2}, |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 93 | {QLCNIC_BC_CMD_GET_ACL, 3, 14}, |
| 94 | {QLCNIC_BC_CMD_CFG_GUEST_VLAN, 2, 2}, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 95 | }; |
| 96 | |
| 97 | static inline bool qlcnic_sriov_bc_msg_check(u32 val) |
| 98 | { |
| 99 | return (val & (1 << QLC_BC_MSG)) ? true : false; |
| 100 | } |
| 101 | |
| 102 | static inline bool qlcnic_sriov_channel_free_check(u32 val) |
| 103 | { |
| 104 | return (val & (1 << QLC_BC_CFREE)) ? true : false; |
| 105 | } |
| 106 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 107 | static inline bool qlcnic_sriov_flr_check(u32 val) |
| 108 | { |
| 109 | return (val & (1 << QLC_BC_FLR)) ? true : false; |
| 110 | } |
| 111 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 112 | static inline u8 qlcnic_sriov_target_func_id(u32 val) |
| 113 | { |
| 114 | return (val >> 4) & 0xff; |
| 115 | } |
| 116 | |
| 117 | static int qlcnic_sriov_virtid_fn(struct qlcnic_adapter *adapter, int vf_id) |
| 118 | { |
| 119 | struct pci_dev *dev = adapter->pdev; |
| 120 | int pos; |
| 121 | u16 stride, offset; |
| 122 | |
| 123 | if (qlcnic_sriov_vf_check(adapter)) |
| 124 | return 0; |
| 125 | |
| 126 | pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV); |
| 127 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &offset); |
| 128 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &stride); |
| 129 | |
| 130 | return (dev->devfn + offset + stride * vf_id) & 0xff; |
| 131 | } |
| 132 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 133 | int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs) |
| 134 | { |
| 135 | struct qlcnic_sriov *sriov; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 136 | struct qlcnic_back_channel *bc; |
| 137 | struct workqueue_struct *wq; |
| 138 | struct qlcnic_vport *vp; |
| 139 | struct qlcnic_vf_info *vf; |
| 140 | int err, i; |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 141 | |
| 142 | if (!qlcnic_sriov_enable_check(adapter)) |
| 143 | return -EIO; |
| 144 | |
| 145 | sriov = kzalloc(sizeof(struct qlcnic_sriov), GFP_KERNEL); |
| 146 | if (!sriov) |
| 147 | return -ENOMEM; |
| 148 | |
| 149 | adapter->ahw->sriov = sriov; |
| 150 | sriov->num_vfs = num_vfs; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 151 | bc = &sriov->bc; |
| 152 | sriov->vf_info = kzalloc(sizeof(struct qlcnic_vf_info) * |
| 153 | num_vfs, GFP_KERNEL); |
| 154 | if (!sriov->vf_info) { |
| 155 | err = -ENOMEM; |
| 156 | goto qlcnic_free_sriov; |
| 157 | } |
| 158 | |
| 159 | wq = create_singlethread_workqueue("bc-trans"); |
| 160 | if (wq == NULL) { |
| 161 | err = -ENOMEM; |
| 162 | dev_err(&adapter->pdev->dev, |
| 163 | "Cannot create bc-trans workqueue\n"); |
| 164 | goto qlcnic_free_vf_info; |
| 165 | } |
| 166 | |
| 167 | bc->bc_trans_wq = wq; |
| 168 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 169 | wq = create_singlethread_workqueue("async"); |
| 170 | if (wq == NULL) { |
| 171 | err = -ENOMEM; |
| 172 | dev_err(&adapter->pdev->dev, "Cannot create async workqueue\n"); |
| 173 | goto qlcnic_destroy_trans_wq; |
| 174 | } |
| 175 | |
| 176 | bc->bc_async_wq = wq; |
| 177 | INIT_LIST_HEAD(&bc->async_list); |
| 178 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 179 | for (i = 0; i < num_vfs; i++) { |
| 180 | vf = &sriov->vf_info[i]; |
| 181 | vf->adapter = adapter; |
| 182 | vf->pci_func = qlcnic_sriov_virtid_fn(adapter, i); |
| 183 | mutex_init(&vf->send_cmd_lock); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 184 | mutex_init(&vf->vlan_list_lock); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 185 | INIT_LIST_HEAD(&vf->rcv_act.wait_list); |
| 186 | INIT_LIST_HEAD(&vf->rcv_pend.wait_list); |
| 187 | spin_lock_init(&vf->rcv_act.lock); |
| 188 | spin_lock_init(&vf->rcv_pend.lock); |
| 189 | init_completion(&vf->ch_free_cmpl); |
| 190 | |
Sucheta Chakraborty | 1267ff9 | 2013-05-23 21:04:29 +0000 | [diff] [blame] | 191 | INIT_WORK(&vf->trans_work, qlcnic_sriov_process_bc_cmd); |
| 192 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 193 | if (qlcnic_sriov_pf_check(adapter)) { |
| 194 | vp = kzalloc(sizeof(struct qlcnic_vport), GFP_KERNEL); |
| 195 | if (!vp) { |
| 196 | err = -ENOMEM; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 197 | goto qlcnic_destroy_async_wq; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 198 | } |
| 199 | sriov->vf_info[i].vp = vp; |
Rajesh Borundia | 4000e7a | 2013-04-19 07:01:11 +0000 | [diff] [blame] | 200 | vp->max_tx_bw = MAX_BW; |
Rajesh Borundia | 132a3f2 | 2014-05-09 02:51:29 -0400 | [diff] [blame^] | 201 | vp->spoofchk = false; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 202 | random_ether_addr(vp->mac); |
| 203 | dev_info(&adapter->pdev->dev, |
| 204 | "MAC Address %pM is configured for VF %d\n", |
| 205 | vp->mac, i); |
| 206 | } |
| 207 | } |
| 208 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 209 | return 0; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 210 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 211 | qlcnic_destroy_async_wq: |
| 212 | destroy_workqueue(bc->bc_async_wq); |
| 213 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 214 | qlcnic_destroy_trans_wq: |
| 215 | destroy_workqueue(bc->bc_trans_wq); |
| 216 | |
| 217 | qlcnic_free_vf_info: |
| 218 | kfree(sriov->vf_info); |
| 219 | |
| 220 | qlcnic_free_sriov: |
| 221 | kfree(adapter->ahw->sriov); |
| 222 | return err; |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 223 | } |
| 224 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 225 | void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *t_list) |
| 226 | { |
| 227 | struct qlcnic_bc_trans *trans; |
| 228 | struct qlcnic_cmd_args cmd; |
| 229 | unsigned long flags; |
| 230 | |
| 231 | spin_lock_irqsave(&t_list->lock, flags); |
| 232 | |
| 233 | while (!list_empty(&t_list->wait_list)) { |
| 234 | trans = list_first_entry(&t_list->wait_list, |
| 235 | struct qlcnic_bc_trans, list); |
| 236 | list_del(&trans->list); |
| 237 | t_list->count--; |
| 238 | cmd.req.arg = (u32 *)trans->req_pay; |
| 239 | cmd.rsp.arg = (u32 *)trans->rsp_pay; |
| 240 | qlcnic_free_mbx_args(&cmd); |
| 241 | qlcnic_sriov_cleanup_transaction(trans); |
| 242 | } |
| 243 | |
| 244 | spin_unlock_irqrestore(&t_list->lock, flags); |
| 245 | } |
| 246 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 247 | void __qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter) |
| 248 | { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 249 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 250 | struct qlcnic_back_channel *bc = &sriov->bc; |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 251 | struct qlcnic_vf_info *vf; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 252 | int i; |
| 253 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 254 | if (!qlcnic_sriov_enable_check(adapter)) |
| 255 | return; |
| 256 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 257 | qlcnic_sriov_cleanup_async_list(bc); |
| 258 | destroy_workqueue(bc->bc_async_wq); |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 259 | |
| 260 | for (i = 0; i < sriov->num_vfs; i++) { |
| 261 | vf = &sriov->vf_info[i]; |
| 262 | qlcnic_sriov_cleanup_list(&vf->rcv_pend); |
| 263 | cancel_work_sync(&vf->trans_work); |
| 264 | qlcnic_sriov_cleanup_list(&vf->rcv_act); |
| 265 | } |
| 266 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 267 | destroy_workqueue(bc->bc_trans_wq); |
| 268 | |
| 269 | for (i = 0; i < sriov->num_vfs; i++) |
| 270 | kfree(sriov->vf_info[i].vp); |
| 271 | |
| 272 | kfree(sriov->vf_info); |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 273 | kfree(adapter->ahw->sriov); |
| 274 | } |
| 275 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 276 | static void qlcnic_sriov_vf_cleanup(struct qlcnic_adapter *adapter) |
| 277 | { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 278 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 279 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 280 | __qlcnic_sriov_cleanup(adapter); |
| 281 | } |
| 282 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 283 | void qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter) |
| 284 | { |
Manish Chopra | 6e1f586 | 2014-01-10 11:48:57 -0500 | [diff] [blame] | 285 | if (!test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state)) |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 286 | return; |
| 287 | |
| 288 | qlcnic_sriov_free_vlans(adapter); |
| 289 | |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 290 | if (qlcnic_sriov_pf_check(adapter)) |
| 291 | qlcnic_sriov_pf_cleanup(adapter); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 292 | |
| 293 | if (qlcnic_sriov_vf_check(adapter)) |
| 294 | qlcnic_sriov_vf_cleanup(adapter); |
| 295 | } |
| 296 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 297 | static int qlcnic_sriov_post_bc_msg(struct qlcnic_adapter *adapter, u32 *hdr, |
| 298 | u32 *pay, u8 pci_func, u8 size) |
| 299 | { |
| 300 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 301 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
| 302 | struct qlcnic_cmd_args cmd; |
| 303 | unsigned long timeout; |
| 304 | int err; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 305 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 306 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
| 307 | cmd.hdr = hdr; |
| 308 | cmd.pay = pay; |
| 309 | cmd.pay_size = size; |
| 310 | cmd.func_num = pci_func; |
| 311 | cmd.op_type = QLC_83XX_MBX_POST_BC_OP; |
| 312 | cmd.cmd_op = ((struct qlcnic_bc_hdr *)hdr)->cmd_op; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 313 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 314 | err = mbx->ops->enqueue_cmd(adapter, &cmd, &timeout); |
| 315 | if (err) { |
| 316 | dev_err(&adapter->pdev->dev, |
| 317 | "%s: Mailbox not available, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", |
| 318 | __func__, cmd.cmd_op, cmd.type, ahw->pci_func, |
| 319 | ahw->op_mode); |
| 320 | return err; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 321 | } |
| 322 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 323 | if (!wait_for_completion_timeout(&cmd.completion, timeout)) { |
| 324 | dev_err(&adapter->pdev->dev, |
| 325 | "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", |
| 326 | __func__, cmd.cmd_op, cmd.type, ahw->pci_func, |
| 327 | ahw->op_mode); |
| 328 | flush_workqueue(mbx->work_q); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 329 | } |
| 330 | |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 331 | return cmd.rsp_opcode; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 332 | } |
| 333 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 334 | static void qlcnic_sriov_vf_cfg_buff_desc(struct qlcnic_adapter *adapter) |
| 335 | { |
| 336 | adapter->num_rxd = QLC_DEFAULT_RCV_DESCRIPTORS_SRIOV_VF; |
| 337 | adapter->max_rxd = MAX_RCV_DESCRIPTORS_10G; |
| 338 | adapter->num_jumbo_rxd = QLC_DEFAULT_JUMBO_RCV_DESCRIPTORS_SRIOV_VF; |
| 339 | adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G; |
| 340 | adapter->num_txd = MAX_CMD_DESCRIPTORS; |
| 341 | adapter->max_rds_rings = MAX_RDS_RINGS; |
| 342 | } |
| 343 | |
Rajesh Borundia | 4000e7a | 2013-04-19 07:01:11 +0000 | [diff] [blame] | 344 | int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *adapter, |
| 345 | struct qlcnic_info *npar_info, u16 vport_id) |
| 346 | { |
| 347 | struct device *dev = &adapter->pdev->dev; |
| 348 | struct qlcnic_cmd_args cmd; |
| 349 | int err; |
| 350 | u32 status; |
| 351 | |
| 352 | err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO); |
| 353 | if (err) |
| 354 | return err; |
| 355 | |
| 356 | cmd.req.arg[1] = vport_id << 16 | 0x1; |
| 357 | err = qlcnic_issue_cmd(adapter, &cmd); |
| 358 | if (err) { |
| 359 | dev_err(&adapter->pdev->dev, |
| 360 | "Failed to get vport info, err=%d\n", err); |
| 361 | qlcnic_free_mbx_args(&cmd); |
| 362 | return err; |
| 363 | } |
| 364 | |
| 365 | status = cmd.rsp.arg[2] & 0xffff; |
| 366 | if (status & BIT_0) |
| 367 | npar_info->min_tx_bw = MSW(cmd.rsp.arg[2]); |
| 368 | if (status & BIT_1) |
| 369 | npar_info->max_tx_bw = LSW(cmd.rsp.arg[3]); |
| 370 | if (status & BIT_2) |
| 371 | npar_info->max_tx_ques = MSW(cmd.rsp.arg[3]); |
| 372 | if (status & BIT_3) |
| 373 | npar_info->max_tx_mac_filters = LSW(cmd.rsp.arg[4]); |
| 374 | if (status & BIT_4) |
| 375 | npar_info->max_rx_mcast_mac_filters = MSW(cmd.rsp.arg[4]); |
| 376 | if (status & BIT_5) |
| 377 | npar_info->max_rx_ucast_mac_filters = LSW(cmd.rsp.arg[5]); |
| 378 | if (status & BIT_6) |
| 379 | npar_info->max_rx_ip_addr = MSW(cmd.rsp.arg[5]); |
| 380 | if (status & BIT_7) |
| 381 | npar_info->max_rx_lro_flow = LSW(cmd.rsp.arg[6]); |
| 382 | if (status & BIT_8) |
| 383 | npar_info->max_rx_status_rings = MSW(cmd.rsp.arg[6]); |
| 384 | if (status & BIT_9) |
| 385 | npar_info->max_rx_buf_rings = LSW(cmd.rsp.arg[7]); |
| 386 | |
| 387 | npar_info->max_rx_ques = MSW(cmd.rsp.arg[7]); |
| 388 | npar_info->max_tx_vlan_keys = LSW(cmd.rsp.arg[8]); |
| 389 | npar_info->max_local_ipv6_addrs = MSW(cmd.rsp.arg[8]); |
| 390 | npar_info->max_remote_ipv6_addrs = LSW(cmd.rsp.arg[9]); |
| 391 | |
| 392 | dev_info(dev, "\n\tmin_tx_bw: %d, max_tx_bw: %d max_tx_ques: %d,\n" |
| 393 | "\tmax_tx_mac_filters: %d max_rx_mcast_mac_filters: %d,\n" |
| 394 | "\tmax_rx_ucast_mac_filters: 0x%x, max_rx_ip_addr: %d,\n" |
| 395 | "\tmax_rx_lro_flow: %d max_rx_status_rings: %d,\n" |
| 396 | "\tmax_rx_buf_rings: %d, max_rx_ques: %d, max_tx_vlan_keys %d\n" |
| 397 | "\tlocal_ipv6_addr: %d, remote_ipv6_addr: %d\n", |
| 398 | npar_info->min_tx_bw, npar_info->max_tx_bw, |
| 399 | npar_info->max_tx_ques, npar_info->max_tx_mac_filters, |
| 400 | npar_info->max_rx_mcast_mac_filters, |
| 401 | npar_info->max_rx_ucast_mac_filters, npar_info->max_rx_ip_addr, |
| 402 | npar_info->max_rx_lro_flow, npar_info->max_rx_status_rings, |
| 403 | npar_info->max_rx_buf_rings, npar_info->max_rx_ques, |
| 404 | npar_info->max_tx_vlan_keys, npar_info->max_local_ipv6_addrs, |
| 405 | npar_info->max_remote_ipv6_addrs); |
| 406 | |
| 407 | qlcnic_free_mbx_args(&cmd); |
| 408 | return err; |
| 409 | } |
| 410 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 411 | static int qlcnic_sriov_set_pvid_mode(struct qlcnic_adapter *adapter, |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 412 | struct qlcnic_cmd_args *cmd) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 413 | { |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 414 | adapter->rx_pvid = MSW(cmd->rsp.arg[1]) & 0xffff; |
| 415 | adapter->flags &= ~QLCNIC_TAGGING_ENABLED; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 416 | return 0; |
| 417 | } |
| 418 | |
| 419 | static int qlcnic_sriov_set_guest_vlan_mode(struct qlcnic_adapter *adapter, |
| 420 | struct qlcnic_cmd_args *cmd) |
| 421 | { |
| 422 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 423 | int i, num_vlans; |
| 424 | u16 *vlans; |
| 425 | |
| 426 | if (sriov->allowed_vlans) |
| 427 | return 0; |
| 428 | |
| 429 | sriov->any_vlan = cmd->rsp.arg[2] & 0xf; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 430 | sriov->num_allowed_vlans = cmd->rsp.arg[2] >> 16; |
| 431 | dev_info(&adapter->pdev->dev, "Number of allowed Guest VLANs = %d\n", |
| 432 | sriov->num_allowed_vlans); |
| 433 | |
| 434 | qlcnic_sriov_alloc_vlans(adapter); |
| 435 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 436 | if (!sriov->any_vlan) |
| 437 | return 0; |
| 438 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 439 | num_vlans = sriov->num_allowed_vlans; |
| 440 | sriov->allowed_vlans = kzalloc(sizeof(u16) * num_vlans, GFP_KERNEL); |
| 441 | if (!sriov->allowed_vlans) |
| 442 | return -ENOMEM; |
| 443 | |
| 444 | vlans = (u16 *)&cmd->rsp.arg[3]; |
| 445 | for (i = 0; i < num_vlans; i++) |
| 446 | sriov->allowed_vlans[i] = vlans[i]; |
| 447 | |
| 448 | return 0; |
| 449 | } |
| 450 | |
Rajesh Borundia | bcf6cb1 | 2014-01-28 11:55:28 -0500 | [diff] [blame] | 451 | static int qlcnic_sriov_get_vf_acl(struct qlcnic_adapter *adapter) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 452 | { |
| 453 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 454 | struct qlcnic_cmd_args cmd; |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 455 | int ret = 0; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 456 | |
| 457 | ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, QLCNIC_BC_CMD_GET_ACL); |
| 458 | if (ret) |
| 459 | return ret; |
| 460 | |
| 461 | ret = qlcnic_issue_cmd(adapter, &cmd); |
| 462 | if (ret) { |
| 463 | dev_err(&adapter->pdev->dev, "Failed to get ACL, err=%d\n", |
| 464 | ret); |
| 465 | } else { |
| 466 | sriov->vlan_mode = cmd.rsp.arg[1] & 0x3; |
| 467 | switch (sriov->vlan_mode) { |
| 468 | case QLC_GUEST_VLAN_MODE: |
| 469 | ret = qlcnic_sriov_set_guest_vlan_mode(adapter, &cmd); |
| 470 | break; |
| 471 | case QLC_PVID_MODE: |
Manish Chopra | 991ca26 | 2013-08-30 13:51:16 -0400 | [diff] [blame] | 472 | ret = qlcnic_sriov_set_pvid_mode(adapter, &cmd); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 473 | break; |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | qlcnic_free_mbx_args(&cmd); |
| 478 | return ret; |
| 479 | } |
| 480 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 481 | static int qlcnic_sriov_vf_init_driver(struct qlcnic_adapter *adapter) |
| 482 | { |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 483 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 484 | struct qlcnic_info nic_info; |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 485 | int err; |
| 486 | |
Rajesh Borundia | 4000e7a | 2013-04-19 07:01:11 +0000 | [diff] [blame] | 487 | err = qlcnic_sriov_get_vf_vport_info(adapter, &nic_info, 0); |
| 488 | if (err) |
| 489 | return err; |
| 490 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 491 | ahw->max_mc_count = nic_info.max_rx_mcast_mac_filters; |
| 492 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 493 | err = qlcnic_get_nic_info(adapter, &nic_info, ahw->pci_func); |
| 494 | if (err) |
| 495 | return -EIO; |
| 496 | |
| 497 | if (qlcnic_83xx_get_port_info(adapter)) |
| 498 | return -EIO; |
| 499 | |
| 500 | qlcnic_sriov_vf_cfg_buff_desc(adapter); |
| 501 | adapter->flags |= QLCNIC_ADAPTER_INITIALIZED; |
| 502 | dev_info(&adapter->pdev->dev, "HAL Version: %d\n", |
| 503 | adapter->ahw->fw_hal_version); |
| 504 | |
| 505 | ahw->physical_port = (u8) nic_info.phys_port; |
| 506 | ahw->switch_mode = nic_info.switch_mode; |
| 507 | ahw->max_mtu = nic_info.max_mtu; |
| 508 | ahw->op_mode = nic_info.op_mode; |
| 509 | ahw->capabilities = nic_info.capabilities; |
| 510 | return 0; |
| 511 | } |
| 512 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 513 | static int qlcnic_sriov_setup_vf(struct qlcnic_adapter *adapter, |
| 514 | int pci_using_dac) |
| 515 | { |
| 516 | int err; |
| 517 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 518 | INIT_LIST_HEAD(&adapter->vf_mc_list); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 519 | if (!qlcnic_use_msi_x && !!qlcnic_use_msi) |
| 520 | dev_warn(&adapter->pdev->dev, |
Pratik Pujar | 01b91f4 | 2013-08-02 23:15:57 -0400 | [diff] [blame] | 521 | "Device does not support MSI interrupts\n"); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 522 | |
Himanshu Madhani | 34e8c40 | 2013-11-04 13:31:31 -0500 | [diff] [blame] | 523 | /* compute and set default and max tx/sds rings */ |
| 524 | qlcnic_set_tx_ring_count(adapter, QLCNIC_SINGLE_RING); |
| 525 | qlcnic_set_sds_ring_count(adapter, QLCNIC_SINGLE_RING); |
| 526 | |
| 527 | err = qlcnic_setup_intr(adapter); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 528 | if (err) { |
| 529 | dev_err(&adapter->pdev->dev, "Failed to setup interrupt\n"); |
| 530 | goto err_out_disable_msi; |
| 531 | } |
| 532 | |
| 533 | err = qlcnic_83xx_setup_mbx_intr(adapter); |
| 534 | if (err) |
| 535 | goto err_out_disable_msi; |
| 536 | |
| 537 | err = qlcnic_sriov_init(adapter, 1); |
| 538 | if (err) |
| 539 | goto err_out_disable_mbx_intr; |
| 540 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 541 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 542 | if (err) |
| 543 | goto err_out_cleanup_sriov; |
| 544 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 545 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); |
| 546 | if (err) |
| 547 | goto err_out_disable_bc_intr; |
| 548 | |
Rajesh Borundia | 7cb03b2 | 2013-03-29 05:46:37 +0000 | [diff] [blame] | 549 | err = qlcnic_sriov_vf_init_driver(adapter); |
| 550 | if (err) |
| 551 | goto err_out_send_channel_term; |
| 552 | |
Rajesh Borundia | bcf6cb1 | 2014-01-28 11:55:28 -0500 | [diff] [blame] | 553 | err = qlcnic_sriov_get_vf_acl(adapter); |
| 554 | if (err) |
| 555 | goto err_out_send_channel_term; |
| 556 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 557 | err = qlcnic_setup_netdev(adapter, adapter->netdev, pci_using_dac); |
| 558 | if (err) |
| 559 | goto err_out_send_channel_term; |
| 560 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 561 | pci_set_drvdata(adapter->pdev, adapter); |
| 562 | dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", |
| 563 | adapter->netdev->name); |
Sucheta Chakraborty | 14d385b | 2013-08-23 13:38:25 -0400 | [diff] [blame] | 564 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 565 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, |
| 566 | adapter->ahw->idc.delay); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 567 | return 0; |
| 568 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 569 | err_out_send_channel_term: |
| 570 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 571 | |
| 572 | err_out_disable_bc_intr: |
| 573 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
| 574 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 575 | err_out_cleanup_sriov: |
| 576 | __qlcnic_sriov_cleanup(adapter); |
| 577 | |
| 578 | err_out_disable_mbx_intr: |
| 579 | qlcnic_83xx_free_mbx_intr(adapter); |
| 580 | |
| 581 | err_out_disable_msi: |
| 582 | qlcnic_teardown_intr(adapter); |
| 583 | return err; |
| 584 | } |
| 585 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 586 | static int qlcnic_sriov_check_dev_ready(struct qlcnic_adapter *adapter) |
| 587 | { |
| 588 | u32 state; |
| 589 | |
| 590 | do { |
| 591 | msleep(20); |
| 592 | if (++adapter->fw_fail_cnt > QLC_BC_CMD_MAX_RETRY_CNT) |
| 593 | return -EIO; |
| 594 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); |
| 595 | } while (state != QLC_83XX_IDC_DEV_READY); |
| 596 | |
| 597 | return 0; |
| 598 | } |
| 599 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 600 | int qlcnic_sriov_vf_init(struct qlcnic_adapter *adapter, int pci_using_dac) |
| 601 | { |
| 602 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 603 | int err; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 604 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 605 | set_bit(QLC_83XX_MODULE_LOADED, &ahw->idc.status); |
| 606 | ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY; |
| 607 | ahw->reset_context = 0; |
| 608 | adapter->fw_fail_cnt = 0; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 609 | ahw->msix_supported = 1; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 610 | adapter->need_fw_reset = 0; |
Rajesh Borundia | da6c806 | 2013-03-29 05:46:35 +0000 | [diff] [blame] | 611 | adapter->flags |= QLCNIC_TX_INTR_SHARED; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 612 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 613 | err = qlcnic_sriov_check_dev_ready(adapter); |
| 614 | if (err) |
| 615 | return err; |
| 616 | |
| 617 | err = qlcnic_sriov_setup_vf(adapter, pci_using_dac); |
| 618 | if (err) |
| 619 | return err; |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 620 | |
| 621 | if (qlcnic_read_mac_addr(adapter)) |
| 622 | dev_warn(&adapter->pdev->dev, "failed to read mac addr\n"); |
| 623 | |
Sucheta Chakraborty | 1267ff9 | 2013-05-23 21:04:29 +0000 | [diff] [blame] | 624 | INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work); |
| 625 | |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 626 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
Rajesh Borundia | f846833 | 2013-03-29 05:46:34 +0000 | [diff] [blame] | 627 | return 0; |
| 628 | } |
| 629 | |
| 630 | void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *adapter) |
| 631 | { |
| 632 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 633 | |
| 634 | ahw->op_mode = QLCNIC_SRIOV_VF_FUNC; |
| 635 | dev_info(&adapter->pdev->dev, |
| 636 | "HAL Version: %d Non Privileged SRIOV function\n", |
| 637 | ahw->fw_hal_version); |
| 638 | adapter->nic_ops = &qlcnic_sriov_vf_ops; |
| 639 | set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state); |
| 640 | return; |
| 641 | } |
| 642 | |
| 643 | void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *ahw) |
| 644 | { |
| 645 | ahw->hw_ops = &qlcnic_sriov_vf_hw_ops; |
| 646 | ahw->reg_tbl = (u32 *)qlcnic_83xx_reg_tbl; |
| 647 | ahw->ext_reg_tbl = (u32 *)qlcnic_83xx_ext_reg_tbl; |
Rajesh Borundia | 02feda1 | 2013-03-29 05:46:33 +0000 | [diff] [blame] | 648 | } |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 649 | |
| 650 | static u32 qlcnic_sriov_get_bc_paysize(u32 real_pay_size, u8 curr_frag) |
| 651 | { |
| 652 | u32 pay_size; |
| 653 | |
| 654 | pay_size = real_pay_size / ((curr_frag + 1) * QLC_BC_PAYLOAD_SZ); |
| 655 | |
| 656 | if (pay_size) |
| 657 | pay_size = QLC_BC_PAYLOAD_SZ; |
| 658 | else |
| 659 | pay_size = real_pay_size % QLC_BC_PAYLOAD_SZ; |
| 660 | |
| 661 | return pay_size; |
| 662 | } |
| 663 | |
| 664 | int qlcnic_sriov_func_to_index(struct qlcnic_adapter *adapter, u8 pci_func) |
| 665 | { |
| 666 | struct qlcnic_vf_info *vf_info = adapter->ahw->sriov->vf_info; |
| 667 | u8 i; |
| 668 | |
| 669 | if (qlcnic_sriov_vf_check(adapter)) |
| 670 | return 0; |
| 671 | |
| 672 | for (i = 0; i < adapter->ahw->sriov->num_vfs; i++) { |
| 673 | if (vf_info[i].pci_func == pci_func) |
| 674 | return i; |
| 675 | } |
| 676 | |
| 677 | return -EINVAL; |
| 678 | } |
| 679 | |
| 680 | static inline int qlcnic_sriov_alloc_bc_trans(struct qlcnic_bc_trans **trans) |
| 681 | { |
| 682 | *trans = kzalloc(sizeof(struct qlcnic_bc_trans), GFP_ATOMIC); |
| 683 | if (!*trans) |
| 684 | return -ENOMEM; |
| 685 | |
| 686 | init_completion(&(*trans)->resp_cmpl); |
| 687 | return 0; |
| 688 | } |
| 689 | |
| 690 | static inline int qlcnic_sriov_alloc_bc_msg(struct qlcnic_bc_hdr **hdr, |
| 691 | u32 size) |
| 692 | { |
| 693 | *hdr = kzalloc(sizeof(struct qlcnic_bc_hdr) * size, GFP_ATOMIC); |
| 694 | if (!*hdr) |
| 695 | return -ENOMEM; |
| 696 | |
| 697 | return 0; |
| 698 | } |
| 699 | |
| 700 | static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *mbx, u32 type) |
| 701 | { |
| 702 | const struct qlcnic_mailbox_metadata *mbx_tbl; |
| 703 | int i, size; |
| 704 | |
| 705 | mbx_tbl = qlcnic_sriov_bc_mbx_tbl; |
| 706 | size = ARRAY_SIZE(qlcnic_sriov_bc_mbx_tbl); |
| 707 | |
| 708 | for (i = 0; i < size; i++) { |
| 709 | if (type == mbx_tbl[i].cmd) { |
| 710 | mbx->op_type = QLC_BC_CMD; |
| 711 | mbx->req.num = mbx_tbl[i].in_args; |
| 712 | mbx->rsp.num = mbx_tbl[i].out_args; |
| 713 | mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32), |
| 714 | GFP_ATOMIC); |
| 715 | if (!mbx->req.arg) |
| 716 | return -ENOMEM; |
| 717 | mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32), |
| 718 | GFP_ATOMIC); |
| 719 | if (!mbx->rsp.arg) { |
| 720 | kfree(mbx->req.arg); |
| 721 | mbx->req.arg = NULL; |
| 722 | return -ENOMEM; |
| 723 | } |
| 724 | memset(mbx->req.arg, 0, sizeof(u32) * mbx->req.num); |
| 725 | memset(mbx->rsp.arg, 0, sizeof(u32) * mbx->rsp.num); |
| 726 | mbx->req.arg[0] = (type | (mbx->req.num << 16) | |
| 727 | (3 << 29)); |
Pratik Pujar | 6226204 | 2013-07-26 16:24:01 -0400 | [diff] [blame] | 728 | mbx->rsp.arg[0] = (type & 0xffff) | mbx->rsp.num << 16; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 729 | return 0; |
| 730 | } |
| 731 | } |
| 732 | return -EINVAL; |
| 733 | } |
| 734 | |
| 735 | static int qlcnic_sriov_prepare_bc_hdr(struct qlcnic_bc_trans *trans, |
| 736 | struct qlcnic_cmd_args *cmd, |
| 737 | u16 seq, u8 msg_type) |
| 738 | { |
| 739 | struct qlcnic_bc_hdr *hdr; |
| 740 | int i; |
| 741 | u32 num_regs, bc_pay_sz; |
| 742 | u16 remainder; |
| 743 | u8 cmd_op, num_frags, t_num_frags; |
| 744 | |
| 745 | bc_pay_sz = QLC_BC_PAYLOAD_SZ; |
| 746 | if (msg_type == QLC_BC_COMMAND) { |
| 747 | trans->req_pay = (struct qlcnic_bc_payload *)cmd->req.arg; |
| 748 | trans->rsp_pay = (struct qlcnic_bc_payload *)cmd->rsp.arg; |
| 749 | num_regs = cmd->req.num; |
| 750 | trans->req_pay_size = (num_regs * 4); |
| 751 | num_regs = cmd->rsp.num; |
| 752 | trans->rsp_pay_size = (num_regs * 4); |
| 753 | cmd_op = cmd->req.arg[0] & 0xff; |
| 754 | remainder = (trans->req_pay_size) % (bc_pay_sz); |
| 755 | num_frags = (trans->req_pay_size) / (bc_pay_sz); |
| 756 | if (remainder) |
| 757 | num_frags++; |
| 758 | t_num_frags = num_frags; |
| 759 | if (qlcnic_sriov_alloc_bc_msg(&trans->req_hdr, num_frags)) |
| 760 | return -ENOMEM; |
| 761 | remainder = (trans->rsp_pay_size) % (bc_pay_sz); |
| 762 | num_frags = (trans->rsp_pay_size) / (bc_pay_sz); |
| 763 | if (remainder) |
| 764 | num_frags++; |
| 765 | if (qlcnic_sriov_alloc_bc_msg(&trans->rsp_hdr, num_frags)) |
| 766 | return -ENOMEM; |
| 767 | num_frags = t_num_frags; |
| 768 | hdr = trans->req_hdr; |
| 769 | } else { |
| 770 | cmd->req.arg = (u32 *)trans->req_pay; |
| 771 | cmd->rsp.arg = (u32 *)trans->rsp_pay; |
| 772 | cmd_op = cmd->req.arg[0] & 0xff; |
| 773 | remainder = (trans->rsp_pay_size) % (bc_pay_sz); |
| 774 | num_frags = (trans->rsp_pay_size) / (bc_pay_sz); |
| 775 | if (remainder) |
| 776 | num_frags++; |
| 777 | cmd->req.num = trans->req_pay_size / 4; |
| 778 | cmd->rsp.num = trans->rsp_pay_size / 4; |
| 779 | hdr = trans->rsp_hdr; |
Pratik Pujar | 6226204 | 2013-07-26 16:24:01 -0400 | [diff] [blame] | 780 | cmd->op_type = trans->req_hdr->op_type; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 781 | } |
| 782 | |
| 783 | trans->trans_id = seq; |
| 784 | trans->cmd_id = cmd_op; |
| 785 | for (i = 0; i < num_frags; i++) { |
| 786 | hdr[i].version = 2; |
| 787 | hdr[i].msg_type = msg_type; |
| 788 | hdr[i].op_type = cmd->op_type; |
| 789 | hdr[i].num_cmds = 1; |
| 790 | hdr[i].num_frags = num_frags; |
| 791 | hdr[i].frag_num = i + 1; |
| 792 | hdr[i].cmd_op = cmd_op; |
| 793 | hdr[i].seq_id = seq; |
| 794 | } |
| 795 | return 0; |
| 796 | } |
| 797 | |
| 798 | static void qlcnic_sriov_cleanup_transaction(struct qlcnic_bc_trans *trans) |
| 799 | { |
| 800 | if (!trans) |
| 801 | return; |
| 802 | kfree(trans->req_hdr); |
| 803 | kfree(trans->rsp_hdr); |
| 804 | kfree(trans); |
| 805 | } |
| 806 | |
| 807 | static int qlcnic_sriov_clear_trans(struct qlcnic_vf_info *vf, |
| 808 | struct qlcnic_bc_trans *trans, u8 type) |
| 809 | { |
| 810 | struct qlcnic_trans_list *t_list; |
| 811 | unsigned long flags; |
| 812 | int ret = 0; |
| 813 | |
| 814 | if (type == QLC_BC_RESPONSE) { |
| 815 | t_list = &vf->rcv_act; |
| 816 | spin_lock_irqsave(&t_list->lock, flags); |
| 817 | t_list->count--; |
| 818 | list_del(&trans->list); |
| 819 | if (t_list->count > 0) |
| 820 | ret = 1; |
| 821 | spin_unlock_irqrestore(&t_list->lock, flags); |
| 822 | } |
| 823 | if (type == QLC_BC_COMMAND) { |
| 824 | while (test_and_set_bit(QLC_BC_VF_SEND, &vf->state)) |
| 825 | msleep(100); |
| 826 | vf->send_cmd = NULL; |
| 827 | clear_bit(QLC_BC_VF_SEND, &vf->state); |
| 828 | } |
| 829 | return ret; |
| 830 | } |
| 831 | |
| 832 | static void qlcnic_sriov_schedule_bc_cmd(struct qlcnic_sriov *sriov, |
| 833 | struct qlcnic_vf_info *vf, |
| 834 | work_func_t func) |
| 835 | { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 836 | if (test_bit(QLC_BC_VF_FLR, &vf->state) || |
| 837 | vf->adapter->need_fw_reset) |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 838 | return; |
| 839 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 840 | queue_work(sriov->bc.bc_trans_wq, &vf->trans_work); |
| 841 | } |
| 842 | |
| 843 | static inline void qlcnic_sriov_wait_for_resp(struct qlcnic_bc_trans *trans) |
| 844 | { |
| 845 | struct completion *cmpl = &trans->resp_cmpl; |
| 846 | |
| 847 | if (wait_for_completion_timeout(cmpl, QLC_MBOX_RESP_TIMEOUT)) |
| 848 | trans->trans_state = QLC_END; |
| 849 | else |
| 850 | trans->trans_state = QLC_ABORT; |
| 851 | |
| 852 | return; |
| 853 | } |
| 854 | |
| 855 | static void qlcnic_sriov_handle_multi_frags(struct qlcnic_bc_trans *trans, |
| 856 | u8 type) |
| 857 | { |
| 858 | if (type == QLC_BC_RESPONSE) { |
| 859 | trans->curr_rsp_frag++; |
| 860 | if (trans->curr_rsp_frag < trans->rsp_hdr->num_frags) |
| 861 | trans->trans_state = QLC_INIT; |
| 862 | else |
| 863 | trans->trans_state = QLC_END; |
| 864 | } else { |
| 865 | trans->curr_req_frag++; |
| 866 | if (trans->curr_req_frag < trans->req_hdr->num_frags) |
| 867 | trans->trans_state = QLC_INIT; |
| 868 | else |
| 869 | trans->trans_state = QLC_WAIT_FOR_RESP; |
| 870 | } |
| 871 | } |
| 872 | |
| 873 | static void qlcnic_sriov_wait_for_channel_free(struct qlcnic_bc_trans *trans, |
| 874 | u8 type) |
| 875 | { |
| 876 | struct qlcnic_vf_info *vf = trans->vf; |
| 877 | struct completion *cmpl = &vf->ch_free_cmpl; |
| 878 | |
| 879 | if (!wait_for_completion_timeout(cmpl, QLC_MBOX_CH_FREE_TIMEOUT)) { |
| 880 | trans->trans_state = QLC_ABORT; |
| 881 | return; |
| 882 | } |
| 883 | |
| 884 | clear_bit(QLC_BC_VF_CHANNEL, &vf->state); |
| 885 | qlcnic_sriov_handle_multi_frags(trans, type); |
| 886 | } |
| 887 | |
| 888 | static void qlcnic_sriov_pull_bc_msg(struct qlcnic_adapter *adapter, |
| 889 | u32 *hdr, u32 *pay, u32 size) |
| 890 | { |
| 891 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 892 | u32 fw_mbx; |
| 893 | u8 i, max = 2, hdr_size, j; |
| 894 | |
| 895 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); |
| 896 | max = (size / sizeof(u32)) + hdr_size; |
| 897 | |
| 898 | fw_mbx = readl(QLCNIC_MBX_FW(ahw, 0)); |
| 899 | for (i = 2, j = 0; j < hdr_size; i++, j++) |
| 900 | *(hdr++) = readl(QLCNIC_MBX_FW(ahw, i)); |
| 901 | for (; j < max; i++, j++) |
| 902 | *(pay++) = readl(QLCNIC_MBX_FW(ahw, i)); |
| 903 | } |
| 904 | |
| 905 | static int __qlcnic_sriov_issue_bc_post(struct qlcnic_vf_info *vf) |
| 906 | { |
| 907 | int ret = -EBUSY; |
| 908 | u32 timeout = 10000; |
| 909 | |
| 910 | do { |
| 911 | if (!test_and_set_bit(QLC_BC_VF_CHANNEL, &vf->state)) { |
| 912 | ret = 0; |
| 913 | break; |
| 914 | } |
| 915 | mdelay(1); |
| 916 | } while (--timeout); |
| 917 | |
| 918 | return ret; |
| 919 | } |
| 920 | |
| 921 | static int qlcnic_sriov_issue_bc_post(struct qlcnic_bc_trans *trans, u8 type) |
| 922 | { |
| 923 | struct qlcnic_vf_info *vf = trans->vf; |
| 924 | u32 pay_size, hdr_size; |
| 925 | u32 *hdr, *pay; |
| 926 | int ret; |
| 927 | u8 pci_func = trans->func_id; |
| 928 | |
| 929 | if (__qlcnic_sriov_issue_bc_post(vf)) |
| 930 | return -EBUSY; |
| 931 | |
| 932 | if (type == QLC_BC_COMMAND) { |
| 933 | hdr = (u32 *)(trans->req_hdr + trans->curr_req_frag); |
| 934 | pay = (u32 *)(trans->req_pay + trans->curr_req_frag); |
| 935 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); |
| 936 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, |
| 937 | trans->curr_req_frag); |
| 938 | pay_size = (pay_size / sizeof(u32)); |
| 939 | } else { |
| 940 | hdr = (u32 *)(trans->rsp_hdr + trans->curr_rsp_frag); |
| 941 | pay = (u32 *)(trans->rsp_pay + trans->curr_rsp_frag); |
| 942 | hdr_size = (sizeof(struct qlcnic_bc_hdr) / sizeof(u32)); |
| 943 | pay_size = qlcnic_sriov_get_bc_paysize(trans->rsp_pay_size, |
| 944 | trans->curr_rsp_frag); |
| 945 | pay_size = (pay_size / sizeof(u32)); |
| 946 | } |
| 947 | |
| 948 | ret = qlcnic_sriov_post_bc_msg(vf->adapter, hdr, pay, |
| 949 | pci_func, pay_size); |
| 950 | return ret; |
| 951 | } |
| 952 | |
| 953 | static int __qlcnic_sriov_send_bc_msg(struct qlcnic_bc_trans *trans, |
| 954 | struct qlcnic_vf_info *vf, u8 type) |
| 955 | { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 956 | bool flag = true; |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 957 | int err = -EIO; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 958 | |
| 959 | while (flag) { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 960 | if (test_bit(QLC_BC_VF_FLR, &vf->state) || |
| 961 | vf->adapter->need_fw_reset) |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 962 | trans->trans_state = QLC_ABORT; |
| 963 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 964 | switch (trans->trans_state) { |
| 965 | case QLC_INIT: |
| 966 | trans->trans_state = QLC_WAIT_FOR_CHANNEL_FREE; |
| 967 | if (qlcnic_sriov_issue_bc_post(trans, type)) |
| 968 | trans->trans_state = QLC_ABORT; |
| 969 | break; |
| 970 | case QLC_WAIT_FOR_CHANNEL_FREE: |
| 971 | qlcnic_sriov_wait_for_channel_free(trans, type); |
| 972 | break; |
| 973 | case QLC_WAIT_FOR_RESP: |
| 974 | qlcnic_sriov_wait_for_resp(trans); |
| 975 | break; |
| 976 | case QLC_END: |
| 977 | err = 0; |
| 978 | flag = false; |
| 979 | break; |
| 980 | case QLC_ABORT: |
| 981 | err = -EIO; |
| 982 | flag = false; |
| 983 | clear_bit(QLC_BC_VF_CHANNEL, &vf->state); |
| 984 | break; |
| 985 | default: |
| 986 | err = -EIO; |
| 987 | flag = false; |
| 988 | } |
| 989 | } |
| 990 | return err; |
| 991 | } |
| 992 | |
| 993 | static int qlcnic_sriov_send_bc_cmd(struct qlcnic_adapter *adapter, |
| 994 | struct qlcnic_bc_trans *trans, int pci_func) |
| 995 | { |
| 996 | struct qlcnic_vf_info *vf; |
| 997 | int err, index = qlcnic_sriov_func_to_index(adapter, pci_func); |
| 998 | |
| 999 | if (index < 0) |
| 1000 | return -EIO; |
| 1001 | |
| 1002 | vf = &adapter->ahw->sriov->vf_info[index]; |
| 1003 | trans->vf = vf; |
| 1004 | trans->func_id = pci_func; |
| 1005 | |
| 1006 | if (!test_bit(QLC_BC_VF_STATE, &vf->state)) { |
| 1007 | if (qlcnic_sriov_pf_check(adapter)) |
| 1008 | return -EIO; |
| 1009 | if (qlcnic_sriov_vf_check(adapter) && |
| 1010 | trans->cmd_id != QLCNIC_BC_CMD_CHANNEL_INIT) |
| 1011 | return -EIO; |
| 1012 | } |
| 1013 | |
| 1014 | mutex_lock(&vf->send_cmd_lock); |
| 1015 | vf->send_cmd = trans; |
| 1016 | err = __qlcnic_sriov_send_bc_msg(trans, vf, QLC_BC_COMMAND); |
| 1017 | qlcnic_sriov_clear_trans(vf, trans, QLC_BC_COMMAND); |
| 1018 | mutex_unlock(&vf->send_cmd_lock); |
| 1019 | return err; |
| 1020 | } |
| 1021 | |
| 1022 | static void __qlcnic_sriov_process_bc_cmd(struct qlcnic_adapter *adapter, |
| 1023 | struct qlcnic_bc_trans *trans, |
| 1024 | struct qlcnic_cmd_args *cmd) |
| 1025 | { |
| 1026 | #ifdef CONFIG_QLCNIC_SRIOV |
| 1027 | if (qlcnic_sriov_pf_check(adapter)) { |
| 1028 | qlcnic_sriov_pf_process_bc_cmd(adapter, trans, cmd); |
| 1029 | return; |
| 1030 | } |
| 1031 | #endif |
| 1032 | cmd->rsp.arg[0] |= (0x9 << 25); |
| 1033 | return; |
| 1034 | } |
| 1035 | |
| 1036 | static void qlcnic_sriov_process_bc_cmd(struct work_struct *work) |
| 1037 | { |
| 1038 | struct qlcnic_vf_info *vf = container_of(work, struct qlcnic_vf_info, |
| 1039 | trans_work); |
| 1040 | struct qlcnic_bc_trans *trans = NULL; |
| 1041 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1042 | struct qlcnic_cmd_args cmd; |
| 1043 | u8 req; |
| 1044 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1045 | if (adapter->need_fw_reset) |
| 1046 | return; |
| 1047 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1048 | if (test_bit(QLC_BC_VF_FLR, &vf->state)) |
| 1049 | return; |
| 1050 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1051 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1052 | trans = list_first_entry(&vf->rcv_act.wait_list, |
| 1053 | struct qlcnic_bc_trans, list); |
| 1054 | adapter = vf->adapter; |
| 1055 | |
| 1056 | if (qlcnic_sriov_prepare_bc_hdr(trans, &cmd, trans->req_hdr->seq_id, |
| 1057 | QLC_BC_RESPONSE)) |
| 1058 | goto cleanup_trans; |
| 1059 | |
| 1060 | __qlcnic_sriov_process_bc_cmd(adapter, trans, &cmd); |
| 1061 | trans->trans_state = QLC_INIT; |
| 1062 | __qlcnic_sriov_send_bc_msg(trans, vf, QLC_BC_RESPONSE); |
| 1063 | |
| 1064 | cleanup_trans: |
| 1065 | qlcnic_free_mbx_args(&cmd); |
| 1066 | req = qlcnic_sriov_clear_trans(vf, trans, QLC_BC_RESPONSE); |
| 1067 | qlcnic_sriov_cleanup_transaction(trans); |
| 1068 | if (req) |
| 1069 | qlcnic_sriov_schedule_bc_cmd(adapter->ahw->sriov, vf, |
| 1070 | qlcnic_sriov_process_bc_cmd); |
| 1071 | } |
| 1072 | |
| 1073 | static void qlcnic_sriov_handle_bc_resp(struct qlcnic_bc_hdr *hdr, |
| 1074 | struct qlcnic_vf_info *vf) |
| 1075 | { |
| 1076 | struct qlcnic_bc_trans *trans; |
| 1077 | u32 pay_size; |
| 1078 | |
| 1079 | if (test_and_set_bit(QLC_BC_VF_SEND, &vf->state)) |
| 1080 | return; |
| 1081 | |
| 1082 | trans = vf->send_cmd; |
| 1083 | |
| 1084 | if (trans == NULL) |
| 1085 | goto clear_send; |
| 1086 | |
| 1087 | if (trans->trans_id != hdr->seq_id) |
| 1088 | goto clear_send; |
| 1089 | |
| 1090 | pay_size = qlcnic_sriov_get_bc_paysize(trans->rsp_pay_size, |
| 1091 | trans->curr_rsp_frag); |
| 1092 | qlcnic_sriov_pull_bc_msg(vf->adapter, |
| 1093 | (u32 *)(trans->rsp_hdr + trans->curr_rsp_frag), |
| 1094 | (u32 *)(trans->rsp_pay + trans->curr_rsp_frag), |
| 1095 | pay_size); |
| 1096 | if (++trans->curr_rsp_frag < trans->rsp_hdr->num_frags) |
| 1097 | goto clear_send; |
| 1098 | |
| 1099 | complete(&trans->resp_cmpl); |
| 1100 | |
| 1101 | clear_send: |
| 1102 | clear_bit(QLC_BC_VF_SEND, &vf->state); |
| 1103 | } |
| 1104 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1105 | int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *sriov, |
| 1106 | struct qlcnic_vf_info *vf, |
| 1107 | struct qlcnic_bc_trans *trans) |
| 1108 | { |
| 1109 | struct qlcnic_trans_list *t_list = &vf->rcv_act; |
| 1110 | |
| 1111 | t_list->count++; |
| 1112 | list_add_tail(&trans->list, &t_list->wait_list); |
| 1113 | if (t_list->count == 1) |
| 1114 | qlcnic_sriov_schedule_bc_cmd(sriov, vf, |
| 1115 | qlcnic_sriov_process_bc_cmd); |
| 1116 | return 0; |
| 1117 | } |
| 1118 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1119 | static int qlcnic_sriov_add_act_list(struct qlcnic_sriov *sriov, |
| 1120 | struct qlcnic_vf_info *vf, |
| 1121 | struct qlcnic_bc_trans *trans) |
| 1122 | { |
| 1123 | struct qlcnic_trans_list *t_list = &vf->rcv_act; |
| 1124 | |
| 1125 | spin_lock(&t_list->lock); |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1126 | |
| 1127 | __qlcnic_sriov_add_act_list(sriov, vf, trans); |
| 1128 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1129 | spin_unlock(&t_list->lock); |
| 1130 | return 0; |
| 1131 | } |
| 1132 | |
| 1133 | static void qlcnic_sriov_handle_pending_trans(struct qlcnic_sriov *sriov, |
| 1134 | struct qlcnic_vf_info *vf, |
| 1135 | struct qlcnic_bc_hdr *hdr) |
| 1136 | { |
| 1137 | struct qlcnic_bc_trans *trans = NULL; |
| 1138 | struct list_head *node; |
| 1139 | u32 pay_size, curr_frag; |
| 1140 | u8 found = 0, active = 0; |
| 1141 | |
| 1142 | spin_lock(&vf->rcv_pend.lock); |
| 1143 | if (vf->rcv_pend.count > 0) { |
| 1144 | list_for_each(node, &vf->rcv_pend.wait_list) { |
| 1145 | trans = list_entry(node, struct qlcnic_bc_trans, list); |
| 1146 | if (trans->trans_id == hdr->seq_id) { |
| 1147 | found = 1; |
| 1148 | break; |
| 1149 | } |
| 1150 | } |
| 1151 | } |
| 1152 | |
| 1153 | if (found) { |
| 1154 | curr_frag = trans->curr_req_frag; |
| 1155 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, |
| 1156 | curr_frag); |
| 1157 | qlcnic_sriov_pull_bc_msg(vf->adapter, |
| 1158 | (u32 *)(trans->req_hdr + curr_frag), |
| 1159 | (u32 *)(trans->req_pay + curr_frag), |
| 1160 | pay_size); |
| 1161 | trans->curr_req_frag++; |
| 1162 | if (trans->curr_req_frag >= hdr->num_frags) { |
| 1163 | vf->rcv_pend.count--; |
| 1164 | list_del(&trans->list); |
| 1165 | active = 1; |
| 1166 | } |
| 1167 | } |
| 1168 | spin_unlock(&vf->rcv_pend.lock); |
| 1169 | |
| 1170 | if (active) |
| 1171 | if (qlcnic_sriov_add_act_list(sriov, vf, trans)) |
| 1172 | qlcnic_sriov_cleanup_transaction(trans); |
| 1173 | |
| 1174 | return; |
| 1175 | } |
| 1176 | |
| 1177 | static void qlcnic_sriov_handle_bc_cmd(struct qlcnic_sriov *sriov, |
| 1178 | struct qlcnic_bc_hdr *hdr, |
| 1179 | struct qlcnic_vf_info *vf) |
| 1180 | { |
| 1181 | struct qlcnic_bc_trans *trans; |
| 1182 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1183 | struct qlcnic_cmd_args cmd; |
| 1184 | u32 pay_size; |
| 1185 | int err; |
| 1186 | u8 cmd_op; |
| 1187 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1188 | if (adapter->need_fw_reset) |
| 1189 | return; |
| 1190 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1191 | if (!test_bit(QLC_BC_VF_STATE, &vf->state) && |
| 1192 | hdr->op_type != QLC_BC_CMD && |
| 1193 | hdr->cmd_op != QLCNIC_BC_CMD_CHANNEL_INIT) |
| 1194 | return; |
| 1195 | |
| 1196 | if (hdr->frag_num > 1) { |
| 1197 | qlcnic_sriov_handle_pending_trans(sriov, vf, hdr); |
| 1198 | return; |
| 1199 | } |
| 1200 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1201 | memset(&cmd, 0, sizeof(struct qlcnic_cmd_args)); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1202 | cmd_op = hdr->cmd_op; |
| 1203 | if (qlcnic_sriov_alloc_bc_trans(&trans)) |
| 1204 | return; |
| 1205 | |
| 1206 | if (hdr->op_type == QLC_BC_CMD) |
| 1207 | err = qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op); |
| 1208 | else |
| 1209 | err = qlcnic_alloc_mbx_args(&cmd, adapter, cmd_op); |
| 1210 | |
| 1211 | if (err) { |
| 1212 | qlcnic_sriov_cleanup_transaction(trans); |
| 1213 | return; |
| 1214 | } |
| 1215 | |
| 1216 | cmd.op_type = hdr->op_type; |
| 1217 | if (qlcnic_sriov_prepare_bc_hdr(trans, &cmd, hdr->seq_id, |
| 1218 | QLC_BC_COMMAND)) { |
| 1219 | qlcnic_free_mbx_args(&cmd); |
| 1220 | qlcnic_sriov_cleanup_transaction(trans); |
| 1221 | return; |
| 1222 | } |
| 1223 | |
| 1224 | pay_size = qlcnic_sriov_get_bc_paysize(trans->req_pay_size, |
| 1225 | trans->curr_req_frag); |
| 1226 | qlcnic_sriov_pull_bc_msg(vf->adapter, |
| 1227 | (u32 *)(trans->req_hdr + trans->curr_req_frag), |
| 1228 | (u32 *)(trans->req_pay + trans->curr_req_frag), |
| 1229 | pay_size); |
| 1230 | trans->func_id = vf->pci_func; |
| 1231 | trans->vf = vf; |
| 1232 | trans->trans_id = hdr->seq_id; |
| 1233 | trans->curr_req_frag++; |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1234 | |
| 1235 | if (qlcnic_sriov_soft_flr_check(adapter, trans, vf)) |
| 1236 | return; |
| 1237 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1238 | if (trans->curr_req_frag == trans->req_hdr->num_frags) { |
| 1239 | if (qlcnic_sriov_add_act_list(sriov, vf, trans)) { |
| 1240 | qlcnic_free_mbx_args(&cmd); |
| 1241 | qlcnic_sriov_cleanup_transaction(trans); |
| 1242 | } |
| 1243 | } else { |
| 1244 | spin_lock(&vf->rcv_pend.lock); |
| 1245 | list_add_tail(&trans->list, &vf->rcv_pend.wait_list); |
| 1246 | vf->rcv_pend.count++; |
| 1247 | spin_unlock(&vf->rcv_pend.lock); |
| 1248 | } |
| 1249 | } |
| 1250 | |
| 1251 | static void qlcnic_sriov_handle_msg_event(struct qlcnic_sriov *sriov, |
| 1252 | struct qlcnic_vf_info *vf) |
| 1253 | { |
| 1254 | struct qlcnic_bc_hdr hdr; |
| 1255 | u32 *ptr = (u32 *)&hdr; |
| 1256 | u8 msg_type, i; |
| 1257 | |
| 1258 | for (i = 2; i < 6; i++) |
| 1259 | ptr[i - 2] = readl(QLCNIC_MBX_FW(vf->adapter->ahw, i)); |
| 1260 | msg_type = hdr.msg_type; |
| 1261 | |
| 1262 | switch (msg_type) { |
| 1263 | case QLC_BC_COMMAND: |
| 1264 | qlcnic_sriov_handle_bc_cmd(sriov, &hdr, vf); |
| 1265 | break; |
| 1266 | case QLC_BC_RESPONSE: |
| 1267 | qlcnic_sriov_handle_bc_resp(&hdr, vf); |
| 1268 | break; |
| 1269 | } |
| 1270 | } |
| 1271 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1272 | static void qlcnic_sriov_handle_flr_event(struct qlcnic_sriov *sriov, |
| 1273 | struct qlcnic_vf_info *vf) |
| 1274 | { |
| 1275 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1276 | |
| 1277 | if (qlcnic_sriov_pf_check(adapter)) |
| 1278 | qlcnic_sriov_pf_handle_flr(sriov, vf); |
| 1279 | else |
| 1280 | dev_err(&adapter->pdev->dev, |
| 1281 | "Invalid event to VF. VF should not get FLR event\n"); |
| 1282 | } |
| 1283 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1284 | void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *adapter, u32 event) |
| 1285 | { |
| 1286 | struct qlcnic_vf_info *vf; |
| 1287 | struct qlcnic_sriov *sriov; |
| 1288 | int index; |
| 1289 | u8 pci_func; |
| 1290 | |
| 1291 | sriov = adapter->ahw->sriov; |
| 1292 | pci_func = qlcnic_sriov_target_func_id(event); |
| 1293 | index = qlcnic_sriov_func_to_index(adapter, pci_func); |
| 1294 | |
| 1295 | if (index < 0) |
| 1296 | return; |
| 1297 | |
| 1298 | vf = &sriov->vf_info[index]; |
| 1299 | vf->pci_func = pci_func; |
| 1300 | |
| 1301 | if (qlcnic_sriov_channel_free_check(event)) |
| 1302 | complete(&vf->ch_free_cmpl); |
| 1303 | |
Rajesh Borundia | 97d8105 | 2013-04-19 07:01:09 +0000 | [diff] [blame] | 1304 | if (qlcnic_sriov_flr_check(event)) { |
| 1305 | qlcnic_sriov_handle_flr_event(sriov, vf); |
| 1306 | return; |
| 1307 | } |
| 1308 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1309 | if (qlcnic_sriov_bc_msg_check(event)) |
| 1310 | qlcnic_sriov_handle_msg_event(sriov, vf); |
| 1311 | } |
| 1312 | |
| 1313 | int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *adapter, u8 enable) |
| 1314 | { |
| 1315 | struct qlcnic_cmd_args cmd; |
| 1316 | int err; |
| 1317 | |
| 1318 | if (!test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state)) |
| 1319 | return 0; |
| 1320 | |
| 1321 | if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_BC_EVENT_SETUP)) |
| 1322 | return -ENOMEM; |
| 1323 | |
| 1324 | if (enable) |
| 1325 | cmd.req.arg[1] = (1 << 4) | (1 << 5) | (1 << 6) | (1 << 7); |
| 1326 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1327 | err = qlcnic_83xx_issue_cmd(adapter, &cmd); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1328 | |
| 1329 | if (err != QLCNIC_RCODE_SUCCESS) { |
| 1330 | dev_err(&adapter->pdev->dev, |
| 1331 | "Failed to %s bc events, err=%d\n", |
| 1332 | (enable ? "enable" : "disable"), err); |
| 1333 | } |
| 1334 | |
| 1335 | qlcnic_free_mbx_args(&cmd); |
| 1336 | return err; |
| 1337 | } |
| 1338 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1339 | static int qlcnic_sriov_retry_bc_cmd(struct qlcnic_adapter *adapter, |
| 1340 | struct qlcnic_bc_trans *trans) |
| 1341 | { |
| 1342 | u8 max = QLC_BC_CMD_MAX_RETRY_CNT; |
| 1343 | u32 state; |
| 1344 | |
| 1345 | state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); |
| 1346 | if (state == QLC_83XX_IDC_DEV_READY) { |
| 1347 | msleep(20); |
| 1348 | clear_bit(QLC_BC_VF_CHANNEL, &trans->vf->state); |
| 1349 | trans->trans_state = QLC_INIT; |
| 1350 | if (++adapter->fw_fail_cnt > max) |
| 1351 | return -EIO; |
| 1352 | else |
| 1353 | return 0; |
| 1354 | } |
| 1355 | |
| 1356 | return -EIO; |
| 1357 | } |
| 1358 | |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1359 | static int qlcnic_sriov_issue_cmd(struct qlcnic_adapter *adapter, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1360 | struct qlcnic_cmd_args *cmd) |
| 1361 | { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1362 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1363 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1364 | struct device *dev = &adapter->pdev->dev; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1365 | struct qlcnic_bc_trans *trans; |
| 1366 | int err; |
| 1367 | u32 rsp_data, opcode, mbx_err_code, rsp; |
| 1368 | u16 seq = ++adapter->ahw->sriov->bc.trans_counter; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1369 | u8 func = ahw->pci_func; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1370 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1371 | rsp = qlcnic_sriov_alloc_bc_trans(&trans); |
| 1372 | if (rsp) |
| 1373 | return rsp; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1374 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1375 | rsp = qlcnic_sriov_prepare_bc_hdr(trans, cmd, seq, QLC_BC_COMMAND); |
| 1376 | if (rsp) |
| 1377 | goto cleanup_transaction; |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1378 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1379 | retry: |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1380 | if (!test_bit(QLC_83XX_MBX_READY, &mbx->status)) { |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1381 | rsp = -EIO; |
| 1382 | QLCDB(adapter, DRV, "MBX not Ready!(cmd 0x%x) for VF 0x%x\n", |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1383 | QLCNIC_MBX_RSP(cmd->req.arg[0]), func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1384 | goto err_out; |
| 1385 | } |
| 1386 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1387 | err = qlcnic_sriov_send_bc_cmd(adapter, trans, func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1388 | if (err) { |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1389 | dev_err(dev, "MBX command 0x%x timed out for VF %d\n", |
| 1390 | (cmd->req.arg[0] & 0xffff), func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1391 | rsp = QLCNIC_RCODE_TIMEOUT; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1392 | |
| 1393 | /* After adapter reset PF driver may take some time to |
| 1394 | * respond to VF's request. Retry request till maximum retries. |
| 1395 | */ |
| 1396 | if ((trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) && |
| 1397 | !qlcnic_sriov_retry_bc_cmd(adapter, trans)) |
| 1398 | goto retry; |
| 1399 | |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1400 | goto err_out; |
| 1401 | } |
| 1402 | |
| 1403 | rsp_data = cmd->rsp.arg[0]; |
| 1404 | mbx_err_code = QLCNIC_MBX_STATUS(rsp_data); |
| 1405 | opcode = QLCNIC_MBX_RSP(cmd->req.arg[0]); |
| 1406 | |
| 1407 | if ((mbx_err_code == QLCNIC_MBX_RSP_OK) || |
| 1408 | (mbx_err_code == QLCNIC_MBX_PORT_RSP_OK)) { |
| 1409 | rsp = QLCNIC_RCODE_SUCCESS; |
| 1410 | } else { |
| 1411 | rsp = mbx_err_code; |
| 1412 | if (!rsp) |
| 1413 | rsp = 1; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1414 | dev_err(dev, |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1415 | "MBX command 0x%x failed with err:0x%x for VF %d\n", |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1416 | opcode, mbx_err_code, func); |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1417 | } |
| 1418 | |
| 1419 | err_out: |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1420 | if (rsp == QLCNIC_RCODE_TIMEOUT) { |
| 1421 | ahw->reset_context = 1; |
| 1422 | adapter->need_fw_reset = 1; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1423 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1424 | } |
| 1425 | |
| 1426 | cleanup_transaction: |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1427 | qlcnic_sriov_cleanup_transaction(trans); |
| 1428 | return rsp; |
| 1429 | } |
| 1430 | |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 1431 | static int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *adapter, u8 cmd_op) |
Rajesh Borundia | f197a7a | 2013-03-29 05:46:36 +0000 | [diff] [blame] | 1432 | { |
| 1433 | struct qlcnic_cmd_args cmd; |
| 1434 | struct qlcnic_vf_info *vf = &adapter->ahw->sriov->vf_info[0]; |
| 1435 | int ret; |
| 1436 | |
| 1437 | if (qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op)) |
| 1438 | return -ENOMEM; |
| 1439 | |
| 1440 | ret = qlcnic_issue_cmd(adapter, &cmd); |
| 1441 | if (ret) { |
| 1442 | dev_err(&adapter->pdev->dev, |
| 1443 | "Failed bc channel %s %d\n", cmd_op ? "term" : "init", |
| 1444 | ret); |
| 1445 | goto out; |
| 1446 | } |
| 1447 | |
| 1448 | cmd_op = (cmd.rsp.arg[0] & 0xff); |
| 1449 | if (cmd.rsp.arg[0] >> 25 == 2) |
| 1450 | return 2; |
| 1451 | if (cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) |
| 1452 | set_bit(QLC_BC_VF_STATE, &vf->state); |
| 1453 | else |
| 1454 | clear_bit(QLC_BC_VF_STATE, &vf->state); |
| 1455 | |
| 1456 | out: |
| 1457 | qlcnic_free_mbx_args(&cmd); |
| 1458 | return ret; |
| 1459 | } |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1460 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1461 | static void qlcnic_vf_add_mc_list(struct net_device *netdev) |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1462 | { |
| 1463 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1464 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 1465 | struct qlcnic_mac_vlan_list *cur; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1466 | struct list_head *head, tmp_list; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1467 | struct qlcnic_vf_info *vf; |
| 1468 | u16 vlan_id; |
| 1469 | int i; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1470 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1471 | static const u8 bcast_addr[ETH_ALEN] = { |
| 1472 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| 1473 | }; |
| 1474 | |
| 1475 | vf = &adapter->ahw->sriov->vf_info[0]; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1476 | INIT_LIST_HEAD(&tmp_list); |
| 1477 | head = &adapter->vf_mc_list; |
| 1478 | netif_addr_lock_bh(netdev); |
| 1479 | |
| 1480 | while (!list_empty(head)) { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1481 | cur = list_entry(head->next, struct qlcnic_mac_vlan_list, list); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1482 | list_move(&cur->list, &tmp_list); |
| 1483 | } |
| 1484 | |
| 1485 | netif_addr_unlock_bh(netdev); |
| 1486 | |
| 1487 | while (!list_empty(&tmp_list)) { |
| 1488 | cur = list_entry((&tmp_list)->next, |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1489 | struct qlcnic_mac_vlan_list, list); |
| 1490 | if (!qlcnic_sriov_check_any_vlan(vf)) { |
| 1491 | qlcnic_nic_add_mac(adapter, bcast_addr, 0); |
| 1492 | qlcnic_nic_add_mac(adapter, cur->mac_addr, 0); |
| 1493 | } else { |
| 1494 | mutex_lock(&vf->vlan_list_lock); |
| 1495 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 1496 | vlan_id = vf->sriov_vlans[i]; |
| 1497 | if (vlan_id) { |
| 1498 | qlcnic_nic_add_mac(adapter, bcast_addr, |
| 1499 | vlan_id); |
| 1500 | qlcnic_nic_add_mac(adapter, |
| 1501 | cur->mac_addr, |
| 1502 | vlan_id); |
| 1503 | } |
| 1504 | } |
| 1505 | mutex_unlock(&vf->vlan_list_lock); |
| 1506 | if (qlcnic_84xx_check(adapter)) { |
| 1507 | qlcnic_nic_add_mac(adapter, bcast_addr, 0); |
| 1508 | qlcnic_nic_add_mac(adapter, cur->mac_addr, 0); |
| 1509 | } |
| 1510 | } |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1511 | list_del(&cur->list); |
| 1512 | kfree(cur); |
| 1513 | } |
| 1514 | } |
| 1515 | |
| 1516 | void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *bc) |
| 1517 | { |
| 1518 | struct list_head *head = &bc->async_list; |
| 1519 | struct qlcnic_async_work_list *entry; |
| 1520 | |
| 1521 | while (!list_empty(head)) { |
| 1522 | entry = list_entry(head->next, struct qlcnic_async_work_list, |
| 1523 | list); |
| 1524 | cancel_work_sync(&entry->work); |
| 1525 | list_del(&entry->list); |
| 1526 | kfree(entry); |
| 1527 | } |
| 1528 | } |
| 1529 | |
| 1530 | static void qlcnic_sriov_vf_set_multi(struct net_device *netdev) |
| 1531 | { |
| 1532 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1533 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1534 | u32 mode = VPORT_MISS_MODE_DROP; |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1535 | |
| 1536 | if (!test_bit(__QLCNIC_FW_ATTACHED, &adapter->state)) |
| 1537 | return; |
| 1538 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1539 | if (netdev->flags & IFF_PROMISC) { |
| 1540 | if (!(adapter->flags & QLCNIC_PROMISC_DISABLED)) |
| 1541 | mode = VPORT_MISS_MODE_ACCEPT_ALL; |
| 1542 | } else if ((netdev->flags & IFF_ALLMULTI) || |
| 1543 | (netdev_mc_count(netdev) > ahw->max_mc_count)) { |
| 1544 | mode = VPORT_MISS_MODE_ACCEPT_MULTI; |
| 1545 | } |
| 1546 | |
| 1547 | if (qlcnic_sriov_vf_check(adapter)) |
| 1548 | qlcnic_vf_add_mc_list(netdev); |
| 1549 | |
| 1550 | qlcnic_nic_set_promisc(adapter, mode); |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1551 | } |
| 1552 | |
| 1553 | static void qlcnic_sriov_handle_async_multi(struct work_struct *work) |
| 1554 | { |
| 1555 | struct qlcnic_async_work_list *entry; |
| 1556 | struct net_device *netdev; |
| 1557 | |
| 1558 | entry = container_of(work, struct qlcnic_async_work_list, work); |
| 1559 | netdev = (struct net_device *)entry->ptr; |
| 1560 | |
| 1561 | qlcnic_sriov_vf_set_multi(netdev); |
| 1562 | return; |
| 1563 | } |
| 1564 | |
| 1565 | static struct qlcnic_async_work_list * |
| 1566 | qlcnic_sriov_get_free_node_async_work(struct qlcnic_back_channel *bc) |
| 1567 | { |
| 1568 | struct list_head *node; |
| 1569 | struct qlcnic_async_work_list *entry = NULL; |
| 1570 | u8 empty = 0; |
| 1571 | |
| 1572 | list_for_each(node, &bc->async_list) { |
| 1573 | entry = list_entry(node, struct qlcnic_async_work_list, list); |
| 1574 | if (!work_pending(&entry->work)) { |
| 1575 | empty = 1; |
| 1576 | break; |
| 1577 | } |
| 1578 | } |
| 1579 | |
| 1580 | if (!empty) { |
| 1581 | entry = kzalloc(sizeof(struct qlcnic_async_work_list), |
| 1582 | GFP_ATOMIC); |
| 1583 | if (entry == NULL) |
| 1584 | return NULL; |
| 1585 | list_add_tail(&entry->list, &bc->async_list); |
| 1586 | } |
| 1587 | |
| 1588 | return entry; |
| 1589 | } |
| 1590 | |
| 1591 | static void qlcnic_sriov_schedule_bc_async_work(struct qlcnic_back_channel *bc, |
| 1592 | work_func_t func, void *data) |
| 1593 | { |
| 1594 | struct qlcnic_async_work_list *entry = NULL; |
| 1595 | |
| 1596 | entry = qlcnic_sriov_get_free_node_async_work(bc); |
| 1597 | if (!entry) |
| 1598 | return; |
| 1599 | |
| 1600 | entry->ptr = data; |
| 1601 | INIT_WORK(&entry->work, func); |
| 1602 | queue_work(bc->bc_async_wq, &entry->work); |
| 1603 | } |
| 1604 | |
| 1605 | void qlcnic_sriov_vf_schedule_multi(struct net_device *netdev) |
| 1606 | { |
| 1607 | |
| 1608 | struct qlcnic_adapter *adapter = netdev_priv(netdev); |
| 1609 | struct qlcnic_back_channel *bc = &adapter->ahw->sriov->bc; |
| 1610 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1611 | if (adapter->need_fw_reset) |
| 1612 | return; |
| 1613 | |
Rajesh Borundia | e8b508e | 2013-03-29 05:46:38 +0000 | [diff] [blame] | 1614 | qlcnic_sriov_schedule_bc_async_work(bc, qlcnic_sriov_handle_async_multi, |
| 1615 | netdev); |
| 1616 | } |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1617 | |
| 1618 | static int qlcnic_sriov_vf_reinit_driver(struct qlcnic_adapter *adapter) |
| 1619 | { |
| 1620 | int err; |
| 1621 | |
Manish Chopra | 5c44bbd | 2013-09-13 06:13:47 -0400 | [diff] [blame] | 1622 | adapter->need_fw_reset = 0; |
Manish Chopra | 91b86e3 | 2013-08-15 08:27:25 -0400 | [diff] [blame] | 1623 | qlcnic_83xx_reinit_mbx_work(adapter->ahw->mailbox); |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 1624 | qlcnic_83xx_enable_mbx_interrupt(adapter); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1625 | |
| 1626 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
| 1627 | if (err) |
| 1628 | return err; |
| 1629 | |
| 1630 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); |
| 1631 | if (err) |
| 1632 | goto err_out_cleanup_bc_intr; |
| 1633 | |
| 1634 | err = qlcnic_sriov_vf_init_driver(adapter); |
| 1635 | if (err) |
| 1636 | goto err_out_term_channel; |
| 1637 | |
| 1638 | return 0; |
| 1639 | |
| 1640 | err_out_term_channel: |
| 1641 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 1642 | |
| 1643 | err_out_cleanup_bc_intr: |
| 1644 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
| 1645 | return err; |
| 1646 | } |
| 1647 | |
| 1648 | static void qlcnic_sriov_vf_attach(struct qlcnic_adapter *adapter) |
| 1649 | { |
| 1650 | struct net_device *netdev = adapter->netdev; |
| 1651 | |
| 1652 | if (netif_running(netdev)) { |
| 1653 | if (!qlcnic_up(adapter, netdev)) |
| 1654 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| 1655 | } |
| 1656 | |
| 1657 | netif_device_attach(netdev); |
| 1658 | } |
| 1659 | |
| 1660 | static void qlcnic_sriov_vf_detach(struct qlcnic_adapter *adapter) |
| 1661 | { |
| 1662 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1663 | struct qlcnic_intrpt_config *intr_tbl = ahw->intr_tbl; |
| 1664 | struct net_device *netdev = adapter->netdev; |
| 1665 | u8 i, max_ints = ahw->num_msix - 1; |
| 1666 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1667 | netif_device_detach(netdev); |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1668 | qlcnic_83xx_detach_mailbox_work(adapter); |
| 1669 | qlcnic_83xx_disable_mbx_intr(adapter); |
| 1670 | |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1671 | if (netif_running(netdev)) |
| 1672 | qlcnic_down(adapter, netdev); |
| 1673 | |
| 1674 | for (i = 0; i < max_ints; i++) { |
| 1675 | intr_tbl[i].id = i; |
| 1676 | intr_tbl[i].enabled = 0; |
| 1677 | intr_tbl[i].src = 0; |
| 1678 | } |
| 1679 | ahw->reset_context = 0; |
| 1680 | } |
| 1681 | |
| 1682 | static int qlcnic_sriov_vf_handle_dev_ready(struct qlcnic_adapter *adapter) |
| 1683 | { |
| 1684 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1685 | struct device *dev = &adapter->pdev->dev; |
| 1686 | struct qlc_83xx_idc *idc = &ahw->idc; |
| 1687 | u8 func = ahw->pci_func; |
| 1688 | u32 state; |
| 1689 | |
| 1690 | if ((idc->prev_state == QLC_83XX_IDC_DEV_NEED_RESET) || |
| 1691 | (idc->prev_state == QLC_83XX_IDC_DEV_INIT)) { |
| 1692 | if (!qlcnic_sriov_vf_reinit_driver(adapter)) { |
| 1693 | qlcnic_sriov_vf_attach(adapter); |
| 1694 | adapter->fw_fail_cnt = 0; |
| 1695 | dev_info(dev, |
Masanari Iida | 8b513d0 | 2013-05-21 23:13:12 +0900 | [diff] [blame] | 1696 | "%s: Reinitialization of VF 0x%x done after FW reset\n", |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1697 | __func__, func); |
| 1698 | } else { |
| 1699 | dev_err(dev, |
| 1700 | "%s: Reinitialization of VF 0x%x failed after FW reset\n", |
| 1701 | __func__, func); |
| 1702 | state = QLCRDX(ahw, QLC_83XX_IDC_DEV_STATE); |
| 1703 | dev_info(dev, "Current state 0x%x after FW reset\n", |
| 1704 | state); |
| 1705 | } |
| 1706 | } |
| 1707 | |
| 1708 | return 0; |
| 1709 | } |
| 1710 | |
| 1711 | static int qlcnic_sriov_vf_handle_context_reset(struct qlcnic_adapter *adapter) |
| 1712 | { |
| 1713 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1714 | struct qlcnic_mailbox *mbx = ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1715 | struct device *dev = &adapter->pdev->dev; |
| 1716 | struct qlc_83xx_idc *idc = &ahw->idc; |
| 1717 | u8 func = ahw->pci_func; |
| 1718 | u32 state; |
| 1719 | |
| 1720 | adapter->reset_ctx_cnt++; |
| 1721 | |
| 1722 | /* Skip the context reset and check if FW is hung */ |
| 1723 | if (adapter->reset_ctx_cnt < 3) { |
| 1724 | adapter->need_fw_reset = 1; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1725 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1726 | dev_info(dev, |
| 1727 | "Resetting context, wait here to check if FW is in failed state\n"); |
| 1728 | return 0; |
| 1729 | } |
| 1730 | |
| 1731 | /* Check if number of resets exceed the threshold. |
| 1732 | * If it exceeds the threshold just fail the VF. |
| 1733 | */ |
| 1734 | if (adapter->reset_ctx_cnt > QLC_83XX_VF_RESET_FAIL_THRESH) { |
| 1735 | clear_bit(QLC_83XX_MODULE_LOADED, &idc->status); |
| 1736 | adapter->tx_timeo_cnt = 0; |
| 1737 | adapter->fw_fail_cnt = 0; |
| 1738 | adapter->reset_ctx_cnt = 0; |
| 1739 | qlcnic_sriov_vf_detach(adapter); |
| 1740 | dev_err(dev, |
| 1741 | "Device context resets have exceeded the threshold, device interface will be shutdown\n"); |
| 1742 | return -EIO; |
| 1743 | } |
| 1744 | |
| 1745 | dev_info(dev, "Resetting context of VF 0x%x\n", func); |
| 1746 | dev_info(dev, "%s: Context reset count %d for VF 0x%x\n", |
| 1747 | __func__, adapter->reset_ctx_cnt, func); |
| 1748 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1749 | adapter->need_fw_reset = 1; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1750 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1751 | qlcnic_sriov_vf_detach(adapter); |
| 1752 | adapter->need_fw_reset = 0; |
| 1753 | |
| 1754 | if (!qlcnic_sriov_vf_reinit_driver(adapter)) { |
| 1755 | qlcnic_sriov_vf_attach(adapter); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1756 | adapter->tx_timeo_cnt = 0; |
| 1757 | adapter->reset_ctx_cnt = 0; |
| 1758 | adapter->fw_fail_cnt = 0; |
| 1759 | dev_info(dev, "Done resetting context for VF 0x%x\n", func); |
| 1760 | } else { |
| 1761 | dev_err(dev, "%s: Reinitialization of VF 0x%x failed\n", |
| 1762 | __func__, func); |
| 1763 | state = QLCRDX(ahw, QLC_83XX_IDC_DEV_STATE); |
| 1764 | dev_info(dev, "%s: Current state 0x%x\n", __func__, state); |
| 1765 | } |
| 1766 | |
| 1767 | return 0; |
| 1768 | } |
| 1769 | |
| 1770 | static int qlcnic_sriov_vf_idc_ready_state(struct qlcnic_adapter *adapter) |
| 1771 | { |
| 1772 | struct qlcnic_hardware_context *ahw = adapter->ahw; |
| 1773 | int ret = 0; |
| 1774 | |
| 1775 | if (ahw->idc.prev_state != QLC_83XX_IDC_DEV_READY) |
| 1776 | ret = qlcnic_sriov_vf_handle_dev_ready(adapter); |
| 1777 | else if (ahw->reset_context) |
| 1778 | ret = qlcnic_sriov_vf_handle_context_reset(adapter); |
| 1779 | |
| 1780 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1781 | return ret; |
| 1782 | } |
| 1783 | |
| 1784 | static int qlcnic_sriov_vf_idc_failed_state(struct qlcnic_adapter *adapter) |
| 1785 | { |
| 1786 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 1787 | |
| 1788 | dev_err(&adapter->pdev->dev, "Device is in failed state\n"); |
| 1789 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) |
| 1790 | qlcnic_sriov_vf_detach(adapter); |
| 1791 | |
| 1792 | clear_bit(QLC_83XX_MODULE_LOADED, &idc->status); |
| 1793 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1794 | return -EIO; |
| 1795 | } |
| 1796 | |
| 1797 | static int |
| 1798 | qlcnic_sriov_vf_idc_need_quiescent_state(struct qlcnic_adapter *adapter) |
| 1799 | { |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1800 | struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1801 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 1802 | |
| 1803 | dev_info(&adapter->pdev->dev, "Device is in quiescent state\n"); |
| 1804 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) { |
| 1805 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1806 | adapter->tx_timeo_cnt = 0; |
| 1807 | adapter->reset_ctx_cnt = 0; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1808 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1809 | qlcnic_sriov_vf_detach(adapter); |
| 1810 | } |
| 1811 | |
| 1812 | return 0; |
| 1813 | } |
| 1814 | |
| 1815 | static int qlcnic_sriov_vf_idc_init_reset_state(struct qlcnic_adapter *adapter) |
| 1816 | { |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1817 | struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1818 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 1819 | u8 func = adapter->ahw->pci_func; |
| 1820 | |
| 1821 | if (idc->prev_state == QLC_83XX_IDC_DEV_READY) { |
| 1822 | dev_err(&adapter->pdev->dev, |
| 1823 | "Firmware hang detected by VF 0x%x\n", func); |
| 1824 | set_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1825 | adapter->tx_timeo_cnt = 0; |
| 1826 | adapter->reset_ctx_cnt = 0; |
Manish Chopra | 068a8d1 | 2013-08-02 00:57:41 -0400 | [diff] [blame] | 1827 | clear_bit(QLC_83XX_MBX_READY, &mbx->status); |
Rajesh Borundia | f036e4f | 2013-04-19 07:01:10 +0000 | [diff] [blame] | 1828 | qlcnic_sriov_vf_detach(adapter); |
| 1829 | } |
| 1830 | return 0; |
| 1831 | } |
| 1832 | |
| 1833 | static int qlcnic_sriov_vf_idc_unknown_state(struct qlcnic_adapter *adapter) |
| 1834 | { |
| 1835 | dev_err(&adapter->pdev->dev, "%s: Device in unknown state\n", __func__); |
| 1836 | return 0; |
| 1837 | } |
| 1838 | |
| 1839 | static void qlcnic_sriov_vf_poll_dev_state(struct work_struct *work) |
| 1840 | { |
| 1841 | struct qlcnic_adapter *adapter; |
| 1842 | struct qlc_83xx_idc *idc; |
| 1843 | int ret = 0; |
| 1844 | |
| 1845 | adapter = container_of(work, struct qlcnic_adapter, fw_work.work); |
| 1846 | idc = &adapter->ahw->idc; |
| 1847 | idc->curr_state = QLCRDX(adapter->ahw, QLC_83XX_IDC_DEV_STATE); |
| 1848 | |
| 1849 | switch (idc->curr_state) { |
| 1850 | case QLC_83XX_IDC_DEV_READY: |
| 1851 | ret = qlcnic_sriov_vf_idc_ready_state(adapter); |
| 1852 | break; |
| 1853 | case QLC_83XX_IDC_DEV_NEED_RESET: |
| 1854 | case QLC_83XX_IDC_DEV_INIT: |
| 1855 | ret = qlcnic_sriov_vf_idc_init_reset_state(adapter); |
| 1856 | break; |
| 1857 | case QLC_83XX_IDC_DEV_NEED_QUISCENT: |
| 1858 | ret = qlcnic_sriov_vf_idc_need_quiescent_state(adapter); |
| 1859 | break; |
| 1860 | case QLC_83XX_IDC_DEV_FAILED: |
| 1861 | ret = qlcnic_sriov_vf_idc_failed_state(adapter); |
| 1862 | break; |
| 1863 | case QLC_83XX_IDC_DEV_QUISCENT: |
| 1864 | break; |
| 1865 | default: |
| 1866 | ret = qlcnic_sriov_vf_idc_unknown_state(adapter); |
| 1867 | } |
| 1868 | |
| 1869 | idc->prev_state = idc->curr_state; |
| 1870 | if (!ret && test_bit(QLC_83XX_MODULE_LOADED, &idc->status)) |
| 1871 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, |
| 1872 | idc->delay); |
| 1873 | } |
| 1874 | |
| 1875 | static void qlcnic_sriov_vf_cancel_fw_work(struct qlcnic_adapter *adapter) |
| 1876 | { |
| 1877 | while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) |
| 1878 | msleep(20); |
| 1879 | |
| 1880 | clear_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status); |
| 1881 | clear_bit(__QLCNIC_RESETTING, &adapter->state); |
| 1882 | cancel_delayed_work_sync(&adapter->fw_work); |
| 1883 | } |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1884 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1885 | static int qlcnic_sriov_check_vlan_id(struct qlcnic_sriov *sriov, |
| 1886 | struct qlcnic_vf_info *vf, u16 vlan_id) |
| 1887 | { |
| 1888 | int i, err = -EINVAL; |
| 1889 | |
| 1890 | if (!vf->sriov_vlans) |
| 1891 | return err; |
| 1892 | |
| 1893 | mutex_lock(&vf->vlan_list_lock); |
| 1894 | |
| 1895 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 1896 | if (vf->sriov_vlans[i] == vlan_id) { |
| 1897 | err = 0; |
| 1898 | break; |
| 1899 | } |
| 1900 | } |
| 1901 | |
| 1902 | mutex_unlock(&vf->vlan_list_lock); |
| 1903 | return err; |
| 1904 | } |
| 1905 | |
| 1906 | static int qlcnic_sriov_validate_num_vlans(struct qlcnic_sriov *sriov, |
| 1907 | struct qlcnic_vf_info *vf) |
| 1908 | { |
| 1909 | int err = 0; |
| 1910 | |
| 1911 | mutex_lock(&vf->vlan_list_lock); |
| 1912 | |
| 1913 | if (vf->num_vlan >= sriov->num_allowed_vlans) |
| 1914 | err = -EINVAL; |
| 1915 | |
| 1916 | mutex_unlock(&vf->vlan_list_lock); |
| 1917 | return err; |
| 1918 | } |
| 1919 | |
| 1920 | static int qlcnic_sriov_validate_vlan_cfg(struct qlcnic_adapter *adapter, |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1921 | u16 vid, u8 enable) |
| 1922 | { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1923 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 1924 | struct qlcnic_vf_info *vf; |
| 1925 | bool vlan_exist; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1926 | u8 allowed = 0; |
| 1927 | int i; |
| 1928 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1929 | vf = &adapter->ahw->sriov->vf_info[0]; |
| 1930 | vlan_exist = qlcnic_sriov_check_any_vlan(vf); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1931 | if (sriov->vlan_mode != QLC_GUEST_VLAN_MODE) |
| 1932 | return -EINVAL; |
| 1933 | |
| 1934 | if (enable) { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1935 | if (qlcnic_83xx_vf_check(adapter) && vlan_exist) |
| 1936 | return -EINVAL; |
| 1937 | |
| 1938 | if (qlcnic_sriov_validate_num_vlans(sriov, vf)) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1939 | return -EINVAL; |
| 1940 | |
| 1941 | if (sriov->any_vlan) { |
| 1942 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 1943 | if (sriov->allowed_vlans[i] == vid) |
| 1944 | allowed = 1; |
| 1945 | } |
| 1946 | |
| 1947 | if (!allowed) |
| 1948 | return -EINVAL; |
| 1949 | } |
| 1950 | } else { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1951 | if (!vlan_exist || qlcnic_sriov_check_vlan_id(sriov, vf, vid)) |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1952 | return -EINVAL; |
| 1953 | } |
| 1954 | |
| 1955 | return 0; |
| 1956 | } |
| 1957 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1958 | static void qlcnic_sriov_vlan_operation(struct qlcnic_vf_info *vf, u16 vlan_id, |
| 1959 | enum qlcnic_vlan_operations opcode) |
| 1960 | { |
| 1961 | struct qlcnic_adapter *adapter = vf->adapter; |
| 1962 | struct qlcnic_sriov *sriov; |
| 1963 | |
| 1964 | sriov = adapter->ahw->sriov; |
| 1965 | |
| 1966 | if (!vf->sriov_vlans) |
| 1967 | return; |
| 1968 | |
| 1969 | mutex_lock(&vf->vlan_list_lock); |
| 1970 | |
| 1971 | switch (opcode) { |
| 1972 | case QLC_VLAN_ADD: |
| 1973 | qlcnic_sriov_add_vlan_id(sriov, vf, vlan_id); |
| 1974 | break; |
| 1975 | case QLC_VLAN_DELETE: |
| 1976 | qlcnic_sriov_del_vlan_id(sriov, vf, vlan_id); |
| 1977 | break; |
| 1978 | default: |
| 1979 | netdev_err(adapter->netdev, "Invalid VLAN operation\n"); |
| 1980 | } |
| 1981 | |
| 1982 | mutex_unlock(&vf->vlan_list_lock); |
| 1983 | return; |
| 1984 | } |
| 1985 | |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1986 | int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *adapter, |
| 1987 | u16 vid, u8 enable) |
| 1988 | { |
| 1989 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1990 | struct qlcnic_vf_info *vf; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1991 | struct qlcnic_cmd_args cmd; |
| 1992 | int ret; |
| 1993 | |
| 1994 | if (vid == 0) |
| 1995 | return 0; |
| 1996 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 1997 | vf = &adapter->ahw->sriov->vf_info[0]; |
| 1998 | ret = qlcnic_sriov_validate_vlan_cfg(adapter, vid, enable); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 1999 | if (ret) |
| 2000 | return ret; |
| 2001 | |
| 2002 | ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, |
| 2003 | QLCNIC_BC_CMD_CFG_GUEST_VLAN); |
| 2004 | if (ret) |
| 2005 | return ret; |
| 2006 | |
| 2007 | cmd.req.arg[1] = (enable & 1) | vid << 16; |
| 2008 | |
| 2009 | qlcnic_sriov_cleanup_async_list(&sriov->bc); |
| 2010 | ret = qlcnic_issue_cmd(adapter, &cmd); |
| 2011 | if (ret) { |
| 2012 | dev_err(&adapter->pdev->dev, |
| 2013 | "Failed to configure guest VLAN, err=%d\n", ret); |
| 2014 | } else { |
| 2015 | qlcnic_free_mac_list(adapter); |
| 2016 | |
| 2017 | if (enable) |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2018 | qlcnic_sriov_vlan_operation(vf, vid, QLC_VLAN_ADD); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2019 | else |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2020 | qlcnic_sriov_vlan_operation(vf, vid, QLC_VLAN_DELETE); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2021 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2022 | qlcnic_set_multi(adapter->netdev); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2023 | } |
| 2024 | |
| 2025 | qlcnic_free_mbx_args(&cmd); |
| 2026 | return ret; |
| 2027 | } |
| 2028 | |
| 2029 | static void qlcnic_sriov_vf_free_mac_list(struct qlcnic_adapter *adapter) |
| 2030 | { |
| 2031 | struct list_head *head = &adapter->mac_list; |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2032 | struct qlcnic_mac_vlan_list *cur; |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2033 | |
| 2034 | while (!list_empty(head)) { |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2035 | cur = list_entry(head->next, struct qlcnic_mac_vlan_list, list); |
| 2036 | qlcnic_sre_macaddr_change(adapter, cur->mac_addr, cur->vlan_id, |
| 2037 | QLCNIC_MAC_DEL); |
Rajesh Borundia | 91b7282 | 2013-04-19 07:01:12 +0000 | [diff] [blame] | 2038 | list_del(&cur->list); |
| 2039 | kfree(cur); |
| 2040 | } |
| 2041 | } |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2042 | |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2043 | |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 2044 | static int qlcnic_sriov_vf_shutdown(struct pci_dev *pdev) |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2045 | { |
| 2046 | struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); |
| 2047 | struct net_device *netdev = adapter->netdev; |
| 2048 | int retval; |
| 2049 | |
| 2050 | netif_device_detach(netdev); |
| 2051 | qlcnic_cancel_idc_work(adapter); |
| 2052 | |
| 2053 | if (netif_running(netdev)) |
| 2054 | qlcnic_down(adapter, netdev); |
| 2055 | |
| 2056 | qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_TERM); |
| 2057 | qlcnic_sriov_cfg_bc_intr(adapter, 0); |
| 2058 | qlcnic_83xx_disable_mbx_intr(adapter); |
| 2059 | cancel_delayed_work_sync(&adapter->idc_aen_work); |
| 2060 | |
| 2061 | retval = pci_save_state(pdev); |
| 2062 | if (retval) |
| 2063 | return retval; |
| 2064 | |
| 2065 | return 0; |
| 2066 | } |
| 2067 | |
stephen hemminger | 2104140 | 2014-01-16 10:31:27 -0800 | [diff] [blame] | 2068 | static int qlcnic_sriov_vf_resume(struct qlcnic_adapter *adapter) |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2069 | { |
| 2070 | struct qlc_83xx_idc *idc = &adapter->ahw->idc; |
| 2071 | struct net_device *netdev = adapter->netdev; |
| 2072 | int err; |
| 2073 | |
| 2074 | set_bit(QLC_83XX_MODULE_LOADED, &idc->status); |
Manish Chopra | e5c4e6c | 2013-08-02 00:57:40 -0400 | [diff] [blame] | 2075 | qlcnic_83xx_enable_mbx_interrupt(adapter); |
Rajesh Borundia | 486a5bc | 2013-06-22 04:12:06 -0400 | [diff] [blame] | 2076 | err = qlcnic_sriov_cfg_bc_intr(adapter, 1); |
| 2077 | if (err) |
| 2078 | return err; |
| 2079 | |
| 2080 | err = qlcnic_sriov_channel_cfg_cmd(adapter, QLCNIC_BC_CMD_CHANNEL_INIT); |
| 2081 | if (!err) { |
| 2082 | if (netif_running(netdev)) { |
| 2083 | err = qlcnic_up(adapter, netdev); |
| 2084 | if (!err) |
| 2085 | qlcnic_restore_indev_addr(netdev, NETDEV_UP); |
| 2086 | } |
| 2087 | } |
| 2088 | |
| 2089 | netif_device_attach(netdev); |
| 2090 | qlcnic_schedule_work(adapter, qlcnic_sriov_vf_poll_dev_state, |
| 2091 | idc->delay); |
| 2092 | return err; |
| 2093 | } |
Manish Chopra | 154d0c8 | 2013-12-17 09:01:53 -0500 | [diff] [blame] | 2094 | |
| 2095 | void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *adapter) |
| 2096 | { |
| 2097 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 2098 | struct qlcnic_vf_info *vf; |
| 2099 | int i; |
| 2100 | |
| 2101 | for (i = 0; i < sriov->num_vfs; i++) { |
| 2102 | vf = &sriov->vf_info[i]; |
| 2103 | vf->sriov_vlans = kcalloc(sriov->num_allowed_vlans, |
| 2104 | sizeof(*vf->sriov_vlans), GFP_KERNEL); |
| 2105 | } |
| 2106 | } |
| 2107 | |
| 2108 | void qlcnic_sriov_free_vlans(struct qlcnic_adapter *adapter) |
| 2109 | { |
| 2110 | struct qlcnic_sriov *sriov = adapter->ahw->sriov; |
| 2111 | struct qlcnic_vf_info *vf; |
| 2112 | int i; |
| 2113 | |
| 2114 | for (i = 0; i < sriov->num_vfs; i++) { |
| 2115 | vf = &sriov->vf_info[i]; |
| 2116 | kfree(vf->sriov_vlans); |
| 2117 | vf->sriov_vlans = NULL; |
| 2118 | } |
| 2119 | } |
| 2120 | |
| 2121 | void qlcnic_sriov_add_vlan_id(struct qlcnic_sriov *sriov, |
| 2122 | struct qlcnic_vf_info *vf, u16 vlan_id) |
| 2123 | { |
| 2124 | int i; |
| 2125 | |
| 2126 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 2127 | if (!vf->sriov_vlans[i]) { |
| 2128 | vf->sriov_vlans[i] = vlan_id; |
| 2129 | vf->num_vlan++; |
| 2130 | return; |
| 2131 | } |
| 2132 | } |
| 2133 | } |
| 2134 | |
| 2135 | void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *sriov, |
| 2136 | struct qlcnic_vf_info *vf, u16 vlan_id) |
| 2137 | { |
| 2138 | int i; |
| 2139 | |
| 2140 | for (i = 0; i < sriov->num_allowed_vlans; i++) { |
| 2141 | if (vf->sriov_vlans[i] == vlan_id) { |
| 2142 | vf->sriov_vlans[i] = 0; |
| 2143 | vf->num_vlan--; |
| 2144 | return; |
| 2145 | } |
| 2146 | } |
| 2147 | } |
| 2148 | |
| 2149 | bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *vf) |
| 2150 | { |
| 2151 | bool err = false; |
| 2152 | |
| 2153 | mutex_lock(&vf->vlan_list_lock); |
| 2154 | |
| 2155 | if (vf->num_vlan) |
| 2156 | err = true; |
| 2157 | |
| 2158 | mutex_unlock(&vf->vlan_list_lock); |
| 2159 | return err; |
| 2160 | } |