--- /dev/null
+/*
+ * Linux network driver for QLogic BR-series Converged Network Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ */
+/*
+ * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
+ * Copyright (c) 2014-2015 QLogic Corporation
+ * All rights reserved
+ * www.qlogic.com
+ */
+
+#include "bfa_cee.h"
+#include "bfi_cna.h"
+#include "bfa_ioc.h"
+
+static void bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg *lldp_cfg);
+static void bfa_cee_format_cee_cfg(void *buffer);
+
+static void
+bfa_cee_format_cee_cfg(void *buffer)
+{
+ struct bfa_cee_attr *cee_cfg = buffer;
+ bfa_cee_format_lldp_cfg(&cee_cfg->lldp_remote);
+}
+
+static void
+bfa_cee_stats_swap(struct bfa_cee_stats *stats)
+{
+ u32 *buffer = (u32 *)stats;
+ int i;
+
+ for (i = 0; i < (sizeof(struct bfa_cee_stats) / sizeof(u32));
+ i++) {
+ buffer[i] = ntohl(buffer[i]);
+ }
+}
+
+static void
+bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg *lldp_cfg)
+{
+ lldp_cfg->time_to_live =
+ ntohs(lldp_cfg->time_to_live);
+ lldp_cfg->enabled_system_cap =
+ ntohs(lldp_cfg->enabled_system_cap);
+}
+
+/**
+ * bfa_cee_attr_meminfo - Returns the size of the DMA memory needed by CEE attributes
+ */
+static u32
+bfa_cee_attr_meminfo(void)
+{
+ return roundup(sizeof(struct bfa_cee_attr), BFA_DMA_ALIGN_SZ);
+}
+/**
+ * bfa_cee_stats_meminfo - Returns the size of the DMA memory needed by CEE stats
+ */
+static u32
+bfa_cee_stats_meminfo(void)
+{
+ return roundup(sizeof(struct bfa_cee_stats), BFA_DMA_ALIGN_SZ);
+}
+
+/**
+ * bfa_cee_get_attr_isr - CEE ISR for get-attributes responses from f/w
+ *
+ * @cee: Pointer to the CEE module
+ * @status: Return status from the f/w
+ */
+static void
+bfa_cee_get_attr_isr(struct bfa_cee *cee, enum bfa_status status)
+{
+ cee->get_attr_status = status;
+ if (status == BFA_STATUS_OK) {
+ memcpy(cee->attr, cee->attr_dma.kva,
+ sizeof(struct bfa_cee_attr));
+ bfa_cee_format_cee_cfg(cee->attr);
+ }
+ cee->get_attr_pending = false;
+ if (cee->cbfn.get_attr_cbfn)
+ cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, status);
+}
+
+/**
+ * bfa_cee_get_attr_isr - CEE ISR for get-stats responses from f/w
+ *
+ * @cee: Pointer to the CEE module
+ * @status: Return status from the f/w
+ */
+static void
+bfa_cee_get_stats_isr(struct bfa_cee *cee, enum bfa_status status)
+{
+ cee->get_stats_status = status;
+ if (status == BFA_STATUS_OK) {
+ memcpy(cee->stats, cee->stats_dma.kva,
+ sizeof(struct bfa_cee_stats));
+ bfa_cee_stats_swap(cee->stats);
+ }
+ cee->get_stats_pending = false;
+ if (cee->cbfn.get_stats_cbfn)
+ cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, status);
+}
+
+/**
+ * bfa_cee_get_attr_isr()
+ *
+ * @brief CEE ISR for reset-stats responses from f/w
+ *
+ * @param[in] cee - Pointer to the CEE module
+ * status - Return status from the f/w
+ *
+ * @return void
+ */
+static void
+bfa_cee_reset_stats_isr(struct bfa_cee *cee, enum bfa_status status)
+{
+ cee->reset_stats_status = status;
+ cee->reset_stats_pending = false;
+ if (cee->cbfn.reset_stats_cbfn)
+ cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, status);
+}
+/**
+ * bfa_nw_cee_meminfo - Returns the size of the DMA memory needed by CEE module
+ */
+u32
+bfa_nw_cee_meminfo(void)
+{
+ return bfa_cee_attr_meminfo() + bfa_cee_stats_meminfo();
+}
+
+/**
+ * bfa_nw_cee_mem_claim - Initialized CEE DMA Memory
+ *
+ * @cee: CEE module pointer
+ * @dma_kva: Kernel Virtual Address of CEE DMA Memory
+ * @dma_pa: Physical Address of CEE DMA Memory
+ */
+void
+bfa_nw_cee_mem_claim(struct bfa_cee *cee, u8 *dma_kva, u64 dma_pa)
+{
+ cee->attr_dma.kva = dma_kva;
+ cee->attr_dma.pa = dma_pa;
+ cee->stats_dma.kva = dma_kva + bfa_cee_attr_meminfo();
+ cee->stats_dma.pa = dma_pa + bfa_cee_attr_meminfo();
+ cee->attr = (struct bfa_cee_attr *) dma_kva;
+ cee->stats = (struct bfa_cee_stats *)
+ (dma_kva + bfa_cee_attr_meminfo());
+}
+
+/**
+ * bfa_cee_get_attr - Send the request to the f/w to fetch CEE attributes.
+ *
+ * @cee: Pointer to the CEE module data structure.
+ *
+ * Return: status
+ */
+enum bfa_status
+bfa_nw_cee_get_attr(struct bfa_cee *cee, struct bfa_cee_attr *attr,
+ bfa_cee_get_attr_cbfn_t cbfn, void *cbarg)
+{
+ struct bfi_cee_get_req *cmd;
+
+ BUG_ON(!((cee != NULL) && (cee->ioc != NULL)));
+ if (!bfa_nw_ioc_is_operational(cee->ioc))
+ return BFA_STATUS_IOC_FAILURE;
+
+ if (cee->get_attr_pending)
+ return BFA_STATUS_DEVBUSY;
+
+ cee->get_attr_pending = true;
+ cmd = (struct bfi_cee_get_req *) cee->get_cfg_mb.msg;
+ cee->attr = attr;
+ cee->cbfn.get_attr_cbfn = cbfn;
+ cee->cbfn.get_attr_cbarg = cbarg;
+ bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_CFG_REQ,
+ bfa_ioc_portid(cee->ioc));
+ bfa_dma_be_addr_set(cmd->dma_addr, cee->attr_dma.pa);
+ bfa_nw_ioc_mbox_queue(cee->ioc, &cee->get_cfg_mb, NULL, NULL);
+
+ return BFA_STATUS_OK;
+}
+
+/**
+ * bfa_cee_isrs - Handles Mail-box interrupts for CEE module.
+ */
+
+static void
+bfa_cee_isr(void *cbarg, struct bfi_mbmsg *m)
+{
+ union bfi_cee_i2h_msg_u *msg;
+ struct bfi_cee_get_rsp *get_rsp;
+ struct bfa_cee *cee = (struct bfa_cee *) cbarg;
+ msg = (union bfi_cee_i2h_msg_u *) m;
+ get_rsp = (struct bfi_cee_get_rsp *) m;
+ switch (msg->mh.msg_id) {
+ case BFI_CEE_I2H_GET_CFG_RSP:
+ bfa_cee_get_attr_isr(cee, get_rsp->cmd_status);
+ break;
+ case BFI_CEE_I2H_GET_STATS_RSP:
+ bfa_cee_get_stats_isr(cee, get_rsp->cmd_status);
+ break;
+ case BFI_CEE_I2H_RESET_STATS_RSP:
+ bfa_cee_reset_stats_isr(cee, get_rsp->cmd_status);
+ break;
+ default:
+ BUG_ON(1);
+ }
+}
+
+/**
+ * bfa_cee_notify - CEE module heart-beat failure handler.
+ *
+ * @event: IOC event type
+ */
+
+static void
+bfa_cee_notify(void *arg, enum bfa_ioc_event event)
+{
+ struct bfa_cee *cee;
+ cee = (struct bfa_cee *) arg;
+
+ switch (event) {
+ case BFA_IOC_E_DISABLED:
+ case BFA_IOC_E_FAILED:
+ if (cee->get_attr_pending) {
+ cee->get_attr_status = BFA_STATUS_FAILED;
+ cee->get_attr_pending = false;
+ if (cee->cbfn.get_attr_cbfn) {
+ cee->cbfn.get_attr_cbfn(
+ cee->cbfn.get_attr_cbarg,
+ BFA_STATUS_FAILED);
+ }
+ }
+ if (cee->get_stats_pending) {
+ cee->get_stats_status = BFA_STATUS_FAILED;
+ cee->get_stats_pending = false;
+ if (cee->cbfn.get_stats_cbfn) {
+ cee->cbfn.get_stats_cbfn(
+ cee->cbfn.get_stats_cbarg,
+ BFA_STATUS_FAILED);
+ }
+ }
+ if (cee->reset_stats_pending) {
+ cee->reset_stats_status = BFA_STATUS_FAILED;
+ cee->reset_stats_pending = false;
+ if (cee->cbfn.reset_stats_cbfn) {
+ cee->cbfn.reset_stats_cbfn(
+ cee->cbfn.reset_stats_cbarg,
+ BFA_STATUS_FAILED);
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+/**
+ * bfa_nw_cee_attach - CEE module-attach API
+ *
+ * @cee: Pointer to the CEE module data structure
+ * @ioc: Pointer to the ioc module data structure
+ * @dev: Pointer to the device driver module data structure.
+ * The device driver specific mbox ISR functions have
+ * this pointer as one of the parameters.
+ */
+void
+bfa_nw_cee_attach(struct bfa_cee *cee, struct bfa_ioc *ioc,
+ void *dev)
+{
+ BUG_ON(!(cee != NULL));
+ cee->dev = dev;
+ cee->ioc = ioc;
+
+ bfa_nw_ioc_mbox_regisr(cee->ioc, BFI_MC_CEE, bfa_cee_isr, cee);
+ bfa_q_qe_init(&cee->ioc_notify);
+ bfa_ioc_notify_init(&cee->ioc_notify, bfa_cee_notify, cee);
+ bfa_nw_ioc_notify_register(cee->ioc, &cee->ioc_notify);
+}
Code Review / kvmfornfv.git / blobdiff