/*- * Copyright (c) 2017 Broadcom. All rights reserved. * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include "ocs.h" #include "ocs_utils.h" #include #include #include #include #include #include #include static d_open_t ocs_open; static d_close_t ocs_close; static d_ioctl_t ocs_ioctl; static struct cdevsw ocs_cdevsw = { .d_version = D_VERSION, .d_open = ocs_open, .d_close = ocs_close, .d_ioctl = ocs_ioctl, .d_name = "ocs_fc" }; int ocs_firmware_write(ocs_t *ocs, const uint8_t *buf, size_t buf_len, uint8_t *change_status); static int ocs_open(struct cdev *cdev, int flags, int fmt, struct thread *td) { return 0; } static int ocs_close(struct cdev *cdev, int flag, int fmt, struct thread *td) { return 0; } static int32_t __ocs_ioctl_mbox_cb(ocs_hw_t *hw, int32_t status, uint8_t *mqe, void *arg) { struct ocs_softc *ocs = arg; /* wait for the ioctl to sleep before calling wakeup */ mtx_lock(&ocs->dbg_lock); mtx_unlock(&ocs->dbg_lock); wakeup(arg); return 0; } static int ocs_process_sli_config (ocs_t *ocs, ocs_ioctl_elxu_mbox_t *mcmd, ocs_dma_t *dma) { sli4_cmd_sli_config_t *sli_config = (sli4_cmd_sli_config_t *)mcmd->payload; int error; if (sli_config->emb) { sli4_req_hdr_t *req = (sli4_req_hdr_t *)sli_config->payload.embed; switch (req->opcode) { case SLI4_OPC_COMMON_READ_OBJECT: if (mcmd->out_bytes) { sli4_req_common_read_object_t *rdobj = (sli4_req_common_read_object_t *)sli_config->payload.embed; if (ocs_dma_alloc(ocs, dma, mcmd->out_bytes, 4096)) { device_printf(ocs->dev, "%s: COMMON_READ_OBJECT - %lld allocation failed\n", __func__, (unsigned long long)mcmd->out_bytes); return ENXIO; } memset(dma->virt, 0, mcmd->out_bytes); rdobj->host_buffer_descriptor[0].bde_type = SLI4_BDE_TYPE_BDE_64; rdobj->host_buffer_descriptor[0].buffer_length = mcmd->out_bytes; rdobj->host_buffer_descriptor[0].u.data.buffer_address_low = ocs_addr32_lo(dma->phys); rdobj->host_buffer_descriptor[0].u.data.buffer_address_high = ocs_addr32_hi(dma->phys); } break; case SLI4_OPC_COMMON_WRITE_OBJECT: { sli4_req_common_write_object_t *wrobj = (sli4_req_common_write_object_t *)sli_config->payload.embed; if (ocs_dma_alloc(ocs, dma, wrobj->desired_write_length, 4096)) { device_printf(ocs->dev, "%s: COMMON_WRITE_OBJECT - %d allocation failed\n", __func__, wrobj->desired_write_length); return ENXIO; } /* setup the descriptor */ wrobj->host_buffer_descriptor[0].bde_type = SLI4_BDE_TYPE_BDE_64; wrobj->host_buffer_descriptor[0].buffer_length = wrobj->desired_write_length; wrobj->host_buffer_descriptor[0].u.data.buffer_address_low = ocs_addr32_lo(dma->phys); wrobj->host_buffer_descriptor[0].u.data.buffer_address_high = ocs_addr32_hi(dma->phys); /* copy the data into the DMA buffer */ error = copyin((void *)(uintptr_t)mcmd->in_addr, dma->virt, mcmd->in_bytes); if (error != 0) { device_printf(ocs->dev, "%s: COMMON_WRITE_OBJECT - copyin failed: %d\n", __func__, error); ocs_dma_free(ocs, dma); return error; } } break; case SLI4_OPC_COMMON_DELETE_OBJECT: break; case SLI4_OPC_COMMON_READ_OBJECT_LIST: if (mcmd->out_bytes) { sli4_req_common_read_object_list_t *rdobj = (sli4_req_common_read_object_list_t *)sli_config->payload.embed; if (ocs_dma_alloc(ocs, dma, mcmd->out_bytes, 4096)) { device_printf(ocs->dev, "%s: COMMON_READ_OBJECT_LIST - %lld allocation failed\n", __func__,(unsigned long long) mcmd->out_bytes); return ENXIO; } memset(dma->virt, 0, mcmd->out_bytes); rdobj->host_buffer_descriptor[0].bde_type = SLI4_BDE_TYPE_BDE_64; rdobj->host_buffer_descriptor[0].buffer_length = mcmd->out_bytes; rdobj->host_buffer_descriptor[0].u.data.buffer_address_low = ocs_addr32_lo(dma->phys); rdobj->host_buffer_descriptor[0].u.data.buffer_address_high = ocs_addr32_hi(dma->phys); } break; case SLI4_OPC_COMMON_READ_TRANSCEIVER_DATA: break; default: device_printf(ocs->dev, "%s: in=%p (%lld) out=%p (%lld)\n", __func__, (void *)(uintptr_t)mcmd->in_addr, (unsigned long long)mcmd->in_bytes, (void *)(uintptr_t)mcmd->out_addr, (unsigned long long)mcmd->out_bytes); device_printf(ocs->dev, "%s: unknown (opc=%#x)\n", __func__, req->opcode); hexdump(mcmd, mcmd->size, NULL, 0); break; } } else { uint32_t max_bytes = max(mcmd->in_bytes, mcmd->out_bytes); if (ocs_dma_alloc(ocs, dma, max_bytes, 4096)) { device_printf(ocs->dev, "%s: non-embedded - %u allocation failed\n", __func__, max_bytes); return ENXIO; } error = copyin((void *)(uintptr_t)mcmd->in_addr, dma->virt, mcmd->in_bytes); if (error != 0) { device_printf(ocs->dev, "%s: non-embedded - copyin failed: %d\n", __func__, error); ocs_dma_free(ocs, dma); return error; } sli_config->payload.mem.address_low = ocs_addr32_lo(dma->phys); sli_config->payload.mem.address_high = ocs_addr32_hi(dma->phys); sli_config->payload.mem.length = max_bytes; } return 0; } static int ocs_process_mbx_ioctl(ocs_t *ocs, ocs_ioctl_elxu_mbox_t *mcmd) { ocs_dma_t dma = { 0 }; int error; error = 0; if ((ELXU_BSD_MAGIC != mcmd->magic) || (sizeof(ocs_ioctl_elxu_mbox_t) != mcmd->size)) { device_printf(ocs->dev, "%s: malformed command m=%08x s=%08x\n", __func__, mcmd->magic, mcmd->size); return EINVAL; } switch(((sli4_mbox_command_header_t *)mcmd->payload)->command) { case SLI4_MBOX_COMMAND_SLI_CONFIG: if (ENXIO == ocs_process_sli_config(ocs, mcmd, &dma)) return ENXIO; break; case SLI4_MBOX_COMMAND_READ_REV: case SLI4_MBOX_COMMAND_READ_STATUS: case SLI4_MBOX_COMMAND_READ_LNK_STAT: break; default: device_printf(ocs->dev, "command %d\n",((sli4_mbox_command_header_t *)mcmd->payload)->command); device_printf(ocs->dev, "%s, command not support\n", __func__); goto no_support; break; } /* * The dbg_lock usage here insures the command completion code * (__ocs_ioctl_mbox_cb), which calls wakeup(), does not run until * after first calling msleep() * * 1. ioctl grabs dbg_lock * 2. ioctl issues command * if the command completes before msleep(), the * command completion code (__ocs_ioctl_mbox_cb) will spin * on dbg_lock before calling wakeup() * 3. ioctl calls msleep which releases dbg_lock before sleeping * and reacquires it before waking * 4. command completion handler acquires the dbg_lock, immediately * releases it, and calls wakeup * 5. msleep returns, re-acquiring the lock * 6. ioctl code releases the lock */ mtx_lock(&ocs->dbg_lock); if (ocs_hw_command(&ocs->hw, mcmd->payload, OCS_CMD_NOWAIT, __ocs_ioctl_mbox_cb, ocs)) { device_printf(ocs->dev, "%s: command- %x failed\n", __func__, ((sli4_mbox_command_header_t *)mcmd->payload)->command); } msleep(ocs, &ocs->dbg_lock, 0, "ocsmbx", 0); mtx_unlock(&ocs->dbg_lock); if( SLI4_MBOX_COMMAND_SLI_CONFIG == ((sli4_mbox_command_header_t *)mcmd->payload)->command && mcmd->out_bytes && dma.virt) { error = copyout(dma.virt, (void *)(uintptr_t)mcmd->out_addr, mcmd->out_bytes); } no_support: ocs_dma_free(ocs, &dma); return error; } /** * @brief perform requested Elx CoreDump helper function * * The Elx CoreDump facility used for BE3 diagnostics uses the OCS_IOCTL_CMD_ECD_HELPER * ioctl function to execute requested "help" functions * * @param ocs pointer to ocs structure * @param req pointer to helper function request * * @return returns 0 for success, a negative error code value for failure. */ static int ocs_process_ecd_helper (ocs_t *ocs, ocs_ioctl_ecd_helper_t *req) { int32_t rc = 0; uint8_t v8; uint16_t v16; uint32_t v32; /* Check the BAR read/write commands for valid bar */ switch(req->cmd) { case OCS_ECD_HELPER_BAR_READ8: case OCS_ECD_HELPER_BAR_READ16: case OCS_ECD_HELPER_BAR_READ32: case OCS_ECD_HELPER_BAR_WRITE8: case OCS_ECD_HELPER_BAR_WRITE16: case OCS_ECD_HELPER_BAR_WRITE32: if (req->bar >= PCI_MAX_BAR) { device_printf(ocs->dev, "Error: bar %d out of range\n", req->bar); return -EFAULT; } if (ocs->reg[req->bar].res == NULL) { device_printf(ocs->dev, "Error: bar %d not defined\n", req->bar); return -EFAULT; } break; default: break; } switch(req->cmd) { case OCS_ECD_HELPER_CFG_READ8: v8 = ocs_config_read8(ocs, req->offset); req->data = v8; break; case OCS_ECD_HELPER_CFG_READ16: v16 = ocs_config_read16(ocs, req->offset); req->data = v16; break; case OCS_ECD_HELPER_CFG_READ32: v32 = ocs_config_read32(ocs, req->offset); req->data = v32; break; case OCS_ECD_HELPER_CFG_WRITE8: ocs_config_write8(ocs, req->offset, req->data); break; case OCS_ECD_HELPER_CFG_WRITE16: ocs_config_write16(ocs, req->offset, req->data); break; case OCS_ECD_HELPER_CFG_WRITE32: ocs_config_write32(ocs, req->offset, req->data); break; case OCS_ECD_HELPER_BAR_READ8: req->data = ocs_reg_read8(ocs, req->bar, req->offset); break; case OCS_ECD_HELPER_BAR_READ16: req->data = ocs_reg_read16(ocs, req->bar, req->offset); break; case OCS_ECD_HELPER_BAR_READ32: req->data = ocs_reg_read32(ocs, req->bar, req->offset); break; case OCS_ECD_HELPER_BAR_WRITE8: ocs_reg_write8(ocs, req->bar, req->offset, req->data); break; case OCS_ECD_HELPER_BAR_WRITE16: ocs_reg_write16(ocs, req->bar, req->offset, req->data); break; case OCS_ECD_HELPER_BAR_WRITE32: ocs_reg_write32(ocs, req->bar, req->offset, req->data); break; default: device_printf(ocs->dev, "Invalid helper command=%d\n", req->cmd); break; } return rc; } static int ocs_ioctl(struct cdev *cdev, u_long cmd, caddr_t addr, int flag, struct thread *td) { int status = 0; struct ocs_softc *ocs = cdev->si_drv1; device_t dev = ocs->dev; switch (cmd) { case OCS_IOCTL_CMD_ELXU_MBOX: { /* "copyin" done by kernel; thus, just dereference addr */ ocs_ioctl_elxu_mbox_t *mcmd = (void *)addr; status = ocs_process_mbx_ioctl(ocs, mcmd); break; } case OCS_IOCTL_CMD_ECD_HELPER: { /* "copyin" done by kernel; thus, just dereference addr */ ocs_ioctl_ecd_helper_t *req = (void *)addr; status = ocs_process_ecd_helper(ocs, req); break; } case OCS_IOCTL_CMD_VPORT: { int32_t rc = 0; ocs_ioctl_vport_t *req = (ocs_ioctl_vport_t*) addr; ocs_domain_t *domain; domain = ocs_domain_get_instance(ocs, req->domain_index); if (domain == NULL) { device_printf(ocs->dev, "domain [%d] nod found\n", req->domain_index); return -EFAULT; } if (req->req_create) { rc = ocs_sport_vport_new(domain, req->wwpn, req->wwnn, UINT32_MAX, req->enable_ini, req->enable_tgt, NULL, NULL, TRUE); } else { rc = ocs_sport_vport_del(ocs, domain, req->wwpn, req->wwnn); } return rc; } case OCS_IOCTL_CMD_GET_DDUMP: { ocs_ioctl_ddump_t *req = (ocs_ioctl_ddump_t*) addr; ocs_textbuf_t textbuf; int x; /* Build a text buffer */ if (ocs_textbuf_alloc(ocs, &textbuf, req->user_buffer_len)) { device_printf(ocs->dev, "Error: ocs_textbuf_alloc failed\n"); return -EFAULT; } switch (req->args.action) { case OCS_IOCTL_DDUMP_GET: case OCS_IOCTL_DDUMP_GET_SAVED: { uint32_t remaining; uint32_t written; uint32_t idx; int32_t n; ocs_textbuf_t *ptbuf = NULL; uint32_t flags = 0; if (req->args.action == OCS_IOCTL_DDUMP_GET_SAVED) { if (ocs_textbuf_initialized(&ocs->ddump_saved)) { ptbuf = &ocs->ddump_saved; } } else { if (ocs_textbuf_alloc(ocs, &textbuf, req->user_buffer_len)) { ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n"); return -EFAULT; } /* translate IOCTL ddump flags to ddump flags */ if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_WQES) { flags |= OCS_DDUMP_FLAGS_WQES; } if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_CQES) { flags |= OCS_DDUMP_FLAGS_CQES; } if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_MQES) { flags |= OCS_DDUMP_FLAGS_MQES; } if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_RQES) { flags |= OCS_DDUMP_FLAGS_RQES; } if (req->args.flags & OCS_IOCTL_DDUMP_FLAGS_EQES) { flags |= OCS_DDUMP_FLAGS_EQES; } /* Try 3 times to get the dump */ for(x=0; x<3; x++) { if (ocs_ddump(ocs, &textbuf, flags, req->args.q_entries) != 0) { ocs_textbuf_reset(&textbuf); } else { /* Success */ x = 0; break; } } if (x != 0 ) { /* Retries failed */ ocs_log_test(ocs, "ocs_ddump failed\n"); } else { ptbuf = &textbuf; } } written = 0; if (ptbuf != NULL) { /* Process each textbuf segment */ remaining = req->user_buffer_len; for (idx = 0; remaining; idx++) { n = ocs_textbuf_ext_get_written(ptbuf, idx); if (n < 0) { break; } if ((uint32_t)n >= remaining) { n = (int32_t)remaining; } if (ocs_copy_to_user(req->user_buffer + written, ocs_textbuf_ext_get_buffer(ptbuf, idx), n)) { ocs_log_test(ocs, "Error: (%d) ocs_copy_to_user failed\n", __LINE__); } written += n; remaining -= (uint32_t)n; } } req->bytes_written = written; if (ptbuf == &textbuf) { ocs_textbuf_free(ocs, &textbuf); } break; } case OCS_IOCTL_DDUMP_CLR_SAVED: ocs_clear_saved_ddump(ocs); break; default: ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n"); break; } break; } case OCS_IOCTL_CMD_DRIVER_INFO: { ocs_ioctl_driver_info_t *req = (ocs_ioctl_driver_info_t*)addr; ocs_memset(req, 0, sizeof(*req)); req->pci_vendor = ocs->pci_vendor; req->pci_device = ocs->pci_device; ocs_strncpy(req->businfo, ocs->businfo, sizeof(req->businfo)); req->sli_intf = ocs_config_read32(ocs, SLI4_INTF_REG); ocs_strncpy(req->desc, device_get_desc(dev), sizeof(req->desc)); ocs_strncpy(req->fw_rev, ocs->fwrev, sizeof(req->fw_rev)); if (ocs->domain && ocs->domain->sport) { *((uint64_t*)req->hw_addr.fc.wwnn) = ocs_htobe64(ocs->domain->sport->wwnn); *((uint64_t*)req->hw_addr.fc.wwpn) = ocs_htobe64(ocs->domain->sport->wwpn); } ocs_strncpy(req->serialnum, ocs->serialnum, sizeof(req->serialnum)); break; } case OCS_IOCTL_CMD_MGMT_LIST: { ocs_ioctl_mgmt_buffer_t* req = (ocs_ioctl_mgmt_buffer_t *)addr; ocs_textbuf_t textbuf; /* Build a text buffer */ if (ocs_textbuf_alloc(ocs, &textbuf, req->user_buffer_len)) { ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n"); return -EFAULT; } ocs_mgmt_get_list(ocs, &textbuf); if (ocs_textbuf_get_written(&textbuf)) { if (ocs_copy_to_user(req->user_buffer, ocs_textbuf_get_buffer(&textbuf), ocs_textbuf_get_written(&textbuf))) { ocs_log_test(ocs, "Error: (%d) ocs_copy_to_user failed\n", __LINE__); } } req->bytes_written = ocs_textbuf_get_written(&textbuf); ocs_textbuf_free(ocs, &textbuf); break; } case OCS_IOCTL_CMD_MGMT_GET_ALL: { ocs_ioctl_mgmt_buffer_t* req = (ocs_ioctl_mgmt_buffer_t *)addr; ocs_textbuf_t textbuf; int32_t n; uint32_t idx; uint32_t copied = 0; /* Build a text buffer */ if (ocs_textbuf_alloc(ocs, &textbuf, req->user_buffer_len)) { ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n"); return -EFAULT; } ocs_mgmt_get_all(ocs, &textbuf); for (idx = 0; (n = ocs_textbuf_ext_get_written(&textbuf, idx)) > 0; idx++) { if(ocs_copy_to_user(req->user_buffer + copied, ocs_textbuf_ext_get_buffer(&textbuf, idx), ocs_textbuf_ext_get_written(&textbuf, idx))) { ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n"); } copied += n; } req->bytes_written = copied; ocs_textbuf_free(ocs, &textbuf); break; } case OCS_IOCTL_CMD_MGMT_GET: { ocs_ioctl_cmd_get_t* req = (ocs_ioctl_cmd_get_t*)addr; ocs_textbuf_t textbuf; char name[OCS_MGMT_MAX_NAME]; /* Copy the name value in from user space */ if (ocs_copy_from_user(name, req->name, OCS_MGMT_MAX_NAME)) { ocs_log_test(ocs, "ocs_copy_from_user failed\n"); ocs_ioctl_free(ocs, req, sizeof(ocs_ioctl_cmd_get_t)); return -EFAULT; } /* Build a text buffer */ if (ocs_textbuf_alloc(ocs, &textbuf, req->value_length)) { ocs_log_err(ocs, "Error: ocs_textbuf_alloc failed\n"); return -EFAULT; } ocs_mgmt_get(ocs, name, &textbuf); if (ocs_textbuf_get_written(&textbuf)) { if (ocs_copy_to_user(req->value, ocs_textbuf_get_buffer(&textbuf), ocs_textbuf_get_written(&textbuf))) { ocs_log_test(ocs, "Error: (%d) ocs_copy_to_user failed\n", __LINE__); } } req->value_length = ocs_textbuf_get_written(&textbuf); ocs_textbuf_free(ocs, &textbuf); break; } case OCS_IOCTL_CMD_MGMT_SET: { char name[OCS_MGMT_MAX_NAME]; char value[OCS_MGMT_MAX_VALUE]; ocs_ioctl_cmd_set_t* req = (ocs_ioctl_cmd_set_t*)addr; // Copy the name in from user space if (ocs_copy_from_user(name, req->name, OCS_MGMT_MAX_NAME)) { ocs_log_test(ocs, "Error: copy from user failed\n"); ocs_ioctl_free(ocs, req, sizeof(*req)); return -EFAULT; } // Copy the value in from user space if (ocs_copy_from_user(value, req->value, OCS_MGMT_MAX_VALUE)) { ocs_log_test(ocs, "Error: copy from user failed\n"); ocs_ioctl_free(ocs, req, sizeof(*req)); return -EFAULT; } req->result = ocs_mgmt_set(ocs, name, value); break; } case OCS_IOCTL_CMD_MGMT_EXEC: { ocs_ioctl_action_t* req = (ocs_ioctl_action_t*) addr; char action_name[OCS_MGMT_MAX_NAME]; if (ocs_copy_from_user(action_name, req->name, sizeof(action_name))) { ocs_log_test(ocs, "Error: copy req.name from user failed\n"); ocs_ioctl_free(ocs, req, sizeof(*req)); return -EFAULT; } req->result = ocs_mgmt_exec(ocs, action_name, req->arg_in, req->arg_in_length, req->arg_out, req->arg_out_length); break; } default: ocs_log_test(ocs, "Error: unknown cmd %#lx\n", cmd); status = -ENOTTY; break; } return status; } static void ocs_fw_write_cb(int32_t status, uint32_t actual_write_length, uint32_t change_status, void *arg) { ocs_mgmt_fw_write_result_t *result = arg; result->status = status; result->actual_xfer = actual_write_length; result->change_status = change_status; ocs_sem_v(&(result->semaphore)); } int ocs_firmware_write(ocs_t *ocs, const uint8_t *buf, size_t buf_len, uint8_t *change_status) { int rc = 0; uint32_t bytes_left; uint32_t xfer_size; uint32_t offset; ocs_dma_t dma; int last = 0; ocs_mgmt_fw_write_result_t result; ocs_sem_init(&(result.semaphore), 0, "fw_write"); bytes_left = buf_len; offset = 0; if (ocs_dma_alloc(ocs, &dma, FW_WRITE_BUFSIZE, 4096)) { ocs_log_err(ocs, "ocs_firmware_write: malloc failed\n"); return -ENOMEM; } while (bytes_left > 0) { if (bytes_left > FW_WRITE_BUFSIZE) { xfer_size = FW_WRITE_BUFSIZE; } else { xfer_size = bytes_left; } ocs_memcpy(dma.virt, buf + offset, xfer_size); if (bytes_left == xfer_size) { last = 1; } ocs_hw_firmware_write(&ocs->hw, &dma, xfer_size, offset, last, ocs_fw_write_cb, &result); if (ocs_sem_p(&(result.semaphore), OCS_SEM_FOREVER) != 0) { rc = -ENXIO; break; } if (result.actual_xfer == 0 || result.status != 0) { rc = -EFAULT; break; } if (last) { *change_status = result.change_status; } bytes_left -= result.actual_xfer; offset += result.actual_xfer; } ocs_dma_free(ocs, &dma); return rc; } static int ocs_sys_fwupgrade(SYSCTL_HANDLER_ARGS) { char file_name[256] = {0}; char fw_change_status; uint32_t rc = 1; ocs_t *ocs = (ocs_t *)arg1; const struct firmware *fw; const struct ocs_hw_grp_hdr *fw_image; rc = sysctl_handle_string(oidp, file_name, sizeof(file_name), req); if (rc || !req->newptr) return rc; fw = firmware_get(file_name); if (fw == NULL) { device_printf(ocs->dev, "Unable to get Firmware. " "Make sure %s is copied to /boot/modules\n", file_name); return ENOENT; } fw_image = (const struct ocs_hw_grp_hdr *)fw->data; /* Check if firmware provided is compatible with this particular * Adapter of not*/ if ((ocs_be32toh(fw_image->magic_number) != OCS_HW_OBJECT_G5) && (ocs_be32toh(fw_image->magic_number) != OCS_HW_OBJECT_G6)) { device_printf(ocs->dev, "Invalid FW image found Magic: 0x%x Size: %zu \n", ocs_be32toh(fw_image->magic_number), fw->datasize); rc = -1; goto exit; } if (!strncmp(ocs->fw_version, fw_image->revision, strnlen(fw_image->revision, 16))) { device_printf(ocs->dev, "No update req. " "Firmware is already up to date. \n"); rc = 0; goto exit; } device_printf(ocs->dev, "Upgrading Firmware from %s to %s \n", ocs->fw_version, fw_image->revision); rc = ocs_firmware_write(ocs, fw->data, fw->datasize, &fw_change_status); if (rc) { ocs_log_err(ocs, "Firmware update failed with status = %d\n", rc); } else { ocs_log_info(ocs, "Firmware updated successfully\n"); switch (fw_change_status) { case 0x00: device_printf(ocs->dev, "No reset needed, new firmware is active.\n"); break; case 0x01: device_printf(ocs->dev, "A physical device reset (host reboot) is " "needed to activate the new firmware\n"); break; case 0x02: case 0x03: device_printf(ocs->dev, "firmware is resetting to activate the new " "firmware, Host reboot is needed \n"); break; default: ocs_log_warn(ocs, "Unexected value change_status: %d\n", fw_change_status); break; } } exit: /* Release Firmware*/ firmware_put(fw, FIRMWARE_UNLOAD); return rc; } static int ocs_sysctl_wwnn(SYSCTL_HANDLER_ARGS) { uint32_t rc = 1; ocs_t *ocs = oidp->oid_arg1; char old[64]; char new[64]; uint64_t *wwnn = NULL; ocs_xport_t *xport = ocs->xport; if (xport->req_wwnn) { wwnn = &xport->req_wwnn; memset(old, 0, sizeof(old)); snprintf(old, sizeof(old), "0x%llx" , (unsigned long long) *wwnn); } else { wwnn = ocs_hw_get_ptr(&ocs->hw, OCS_HW_WWN_NODE); memset(old, 0, sizeof(old)); snprintf(old, sizeof(old), "0x%llx" , (unsigned long long) ocs_htobe64(*wwnn)); } /*Read wwnn*/ if (!req->newptr) { return (sysctl_handle_string(oidp, old, sizeof(old), req)); } /*Configure port wwn*/ rc = sysctl_handle_string(oidp, new, sizeof(new), req); if (rc) return (rc); if (strncmp(old, new, strlen(old)) == 0) { return 0; } return (set_req_wwnn(ocs, NULL, new)); } static int ocs_sysctl_wwpn(SYSCTL_HANDLER_ARGS) { uint32_t rc = 1; ocs_t *ocs = oidp->oid_arg1; char old[64]; char new[64]; uint64_t *wwpn = NULL; ocs_xport_t *xport = ocs->xport; if (xport->req_wwpn) { wwpn = &xport->req_wwpn; memset(old, 0, sizeof(old)); snprintf(old, sizeof(old), "0x%llx",(unsigned long long) *wwpn); } else { wwpn = ocs_hw_get_ptr(&ocs->hw, OCS_HW_WWN_PORT); memset(old, 0, sizeof(old)); snprintf(old, sizeof(old), "0x%llx",(unsigned long long) ocs_htobe64(*wwpn)); } /*Read wwpn*/ if (!req->newptr) { return (sysctl_handle_string(oidp, old, sizeof(old), req)); } /*Configure port wwn*/ rc = sysctl_handle_string(oidp, new, sizeof(new), req); if (rc) return (rc); if (strncmp(old, new, strlen(old)) == 0) { return 0; } return (set_req_wwpn(ocs, NULL, new)); } static int ocs_sysctl_current_topology(SYSCTL_HANDLER_ARGS) { ocs_t *ocs = oidp->oid_arg1; uint32_t value; ocs_hw_get(&ocs->hw, OCS_HW_TOPOLOGY, &value); return (sysctl_handle_int(oidp, &value, 0, req)); } static int ocs_sysctl_current_speed(SYSCTL_HANDLER_ARGS) { ocs_t *ocs = oidp->oid_arg1; uint32_t value; ocs_hw_get(&ocs->hw, OCS_HW_LINK_SPEED, &value); return (sysctl_handle_int(oidp, &value, 0, req)); } static int ocs_sysctl_config_topology(SYSCTL_HANDLER_ARGS) { uint32_t rc = 1; ocs_t *ocs = oidp->oid_arg1; uint32_t old_value; uint32_t new_value; char buf[64]; ocs_hw_get(&ocs->hw, OCS_HW_CONFIG_TOPOLOGY, &old_value); /*Read topo*/ if (!req->newptr) { return (sysctl_handle_int(oidp, &old_value, 0, req)); } /*Configure port wwn*/ rc = sysctl_handle_int(oidp, &new_value, 0, req); if (rc) return (rc); if (new_value == old_value) { return 0; } snprintf(buf, sizeof(buf), "%d",new_value); rc = set_configured_topology(ocs, NULL, buf); return rc; } static int ocs_sysctl_config_speed(SYSCTL_HANDLER_ARGS) { uint32_t rc = 1; ocs_t *ocs = oidp->oid_arg1; uint32_t old_value; uint32_t new_value; char buf[64]; ocs_hw_get(&ocs->hw, OCS_HW_LINK_CONFIG_SPEED, &old_value); /*Read topo*/ if (!req->newptr) { return (sysctl_handle_int(oidp, &old_value, 0, req)); } /*Configure port wwn*/ rc = sysctl_handle_int(oidp, &new_value, 0, req); if (rc) return (rc); if (new_value == old_value) { return 0; } snprintf(buf, sizeof(buf), "%d",new_value); rc = set_configured_speed(ocs, NULL,buf); return rc; } static int ocs_sysctl_fcid(SYSCTL_HANDLER_ARGS) { ocs_t *ocs = oidp->oid_arg1; char buf[64]; memset(buf, 0, sizeof(buf)); if (ocs->domain && ocs->domain->attached) { snprintf(buf, sizeof(buf), "0x%06x", ocs->domain->sport->fc_id); } return (sysctl_handle_string(oidp, buf, sizeof(buf), req)); } static int ocs_sysctl_port_state(SYSCTL_HANDLER_ARGS) { char new[256] = {0}; uint32_t rc = 1; ocs_xport_stats_t old; ocs_t *ocs = (ocs_t *)arg1; ocs_xport_status(ocs->xport, OCS_XPORT_CONFIG_PORT_STATUS, &old); /*Read port state */ if (!req->newptr) { snprintf(new, sizeof(new), "%s", (old.value == OCS_XPORT_PORT_OFFLINE) ? "offline" : "online"); return (sysctl_handle_string(oidp, new, sizeof(new), req)); } /*Configure port state*/ rc = sysctl_handle_string(oidp, new, sizeof(new), req); if (rc) return (rc); if (ocs_strcasecmp(new, "offline") == 0) { if (old.value == OCS_XPORT_PORT_OFFLINE) { return (0); } ocs_log_debug(ocs, "Setting port to %s\n", new); rc = ocs_xport_control(ocs->xport, OCS_XPORT_PORT_OFFLINE); if (rc != 0) { ocs_log_err(ocs, "Setting port to offline failed\n"); } } else if (ocs_strcasecmp(new, "online") == 0) { if (old.value == OCS_XPORT_PORT_ONLINE) { return (0); } ocs_log_debug(ocs, "Setting port to %s\n", new); rc = ocs_xport_control(ocs->xport, OCS_XPORT_PORT_ONLINE); if (rc != 0) { ocs_log_err(ocs, "Setting port to online failed\n"); } } else { ocs_log_err(ocs, "Unsupported link state %s\n", new); rc = 1; } return (rc); } static int ocs_sysctl_vport_wwpn(SYSCTL_HANDLER_ARGS) { ocs_fcport *fcp = oidp->oid_arg1; char str_wwpn[64]; memset(str_wwpn, 0, sizeof(str_wwpn)); snprintf(str_wwpn, sizeof(str_wwpn), "0x%llx", (unsigned long long)fcp->vport->wwpn); return (sysctl_handle_string(oidp, str_wwpn, sizeof(str_wwpn), req)); } static int ocs_sysctl_vport_wwnn(SYSCTL_HANDLER_ARGS) { ocs_fcport *fcp = oidp->oid_arg1; char str_wwnn[64]; memset(str_wwnn, 0, sizeof(str_wwnn)); snprintf(str_wwnn, sizeof(str_wwnn), "0x%llx", (unsigned long long)fcp->vport->wwnn); return (sysctl_handle_string(oidp, str_wwnn, sizeof(str_wwnn), req)); } /** * @brief Initialize sysctl * * Initialize sysctl so elxsdkutil can query device information. * * @param ocs pointer to ocs * @return void */ static void ocs_sysctl_init(ocs_t *ocs) { struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(ocs->dev); struct sysctl_oid *tree = device_get_sysctl_tree(ocs->dev); struct sysctl_oid *vtree; const char *str = NULL; char name[16]; uint32_t rev, if_type, family, i; ocs_fcport *fcp = NULL; SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "devid", CTLFLAG_RD, NULL, pci_get_devid(ocs->dev), "Device ID"); memset(ocs->modeldesc, 0, sizeof(ocs->modeldesc)); if (0 == pci_get_vpd_ident(ocs->dev, &str)) { snprintf(ocs->modeldesc, sizeof(ocs->modeldesc), "%s", str); } SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "modeldesc", CTLFLAG_RD, ocs->modeldesc, 0, "Model Description"); memset(ocs->serialnum, 0, sizeof(ocs->serialnum)); if (0 == pci_get_vpd_readonly(ocs->dev, "SN", &str)) { snprintf(ocs->serialnum, sizeof(ocs->serialnum), "%s", str); } SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "sn", CTLFLAG_RD, ocs->serialnum, 0, "Serial Number"); ocs_hw_get(&ocs->hw, OCS_HW_SLI_REV, &rev); ocs_hw_get(&ocs->hw, OCS_HW_IF_TYPE, &if_type); ocs_hw_get(&ocs->hw, OCS_HW_SLI_FAMILY, &family); memset(ocs->fwrev, 0, sizeof(ocs->fwrev)); snprintf(ocs->fwrev, sizeof(ocs->fwrev), "%s, sli-%d:%d:%x", (char *)ocs_hw_get_ptr(&ocs->hw, OCS_HW_FW_REV), rev, if_type, family); SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "fwrev", CTLFLAG_RD, ocs->fwrev, 0, "Firmware Revision"); memset(ocs->sli_intf, 0, sizeof(ocs->sli_intf)); snprintf(ocs->sli_intf, sizeof(ocs->sli_intf), "%08x", ocs_config_read32(ocs, SLI4_INTF_REG)); SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "sli_intf", CTLFLAG_RD, ocs->sli_intf, 0, "SLI Interface"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "fw_upgrade", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE, (void *)ocs, 0, ocs_sys_fwupgrade, "A", "Firmware grp file"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwnn", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE, ocs, 0, ocs_sysctl_wwnn, "A", "World Wide Node Name, wwnn should be in the format 0x"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "wwpn", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE, ocs, 0, ocs_sysctl_wwpn, "A", "World Wide Port Name, wwpn should be in the format 0x"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "current_topology", CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_MPSAFE, ocs, 0, ocs_sysctl_current_topology, "IU", "Current Topology, 1-NPort; 2-Loop; 3-None"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "current_speed", CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_MPSAFE, ocs, 0, ocs_sysctl_current_speed, "IU", "Current Speed"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "configured_topology", CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_MPSAFE, ocs, 0, ocs_sysctl_config_topology, "IU", "Configured Topology, 0-Auto; 1-NPort; 2-Loop"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "configured_speed", CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_MPSAFE, ocs, 0, ocs_sysctl_config_speed, "IU", "Configured Speed, 0-Auto, 2000, 4000, 8000, 16000, 32000"); SYSCTL_ADD_STRING(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "businfo", CTLFLAG_RD, ocs->businfo, 0, "Bus Info"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "fcid", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, ocs, 0, ocs_sysctl_fcid, "A", "Port FC ID"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "port_state", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE, ocs, 0, ocs_sysctl_port_state, "A", "configured port state"); for (i = 0; i < ocs->num_vports; i++) { fcp = FCPORT(ocs, i+1); memset(name, 0, sizeof(name)); snprintf(name, sizeof(name), "vport%d", i); vtree = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, name, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, "Virtual port"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(vtree), OID_AUTO, "wwnn", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE, fcp, 0, ocs_sysctl_vport_wwnn, "A", "World Wide Node Name"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(vtree), OID_AUTO, "wwpn", CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE, fcp, 0, ocs_sysctl_vport_wwpn, "A", "World Wide Port Name"); } } /** * @brief Initialize the debug module * * Parse device hints (similar to Linux module parameters) here. To use, * run the command * kenv hint.ocs.U.P=V * from the command line replacing U with the unit # (0,1,...), * P with the parameter name (debug_mask), and V with the value */ void ocs_debug_attach(void *os) { struct ocs_softc *ocs = os; int error = 0; char *resname = NULL; int32_t unit = INT32_MAX; uint32_t ocs_debug_mask = 0; resname = "debug_mask"; if (0 == (error = resource_int_value(device_get_name(ocs->dev), device_get_unit(ocs->dev), resname, &ocs_debug_mask))) { device_printf(ocs->dev, "setting %s to %010x\n", resname, ocs_debug_mask); ocs_debug_enable(ocs_debug_mask); } unit = device_get_unit(ocs->dev); ocs->cdev = make_dev(&ocs_cdevsw, unit, UID_ROOT, GID_OPERATOR, 0640, "ocs%d", unit); if (ocs->cdev) { ocs->cdev->si_drv1 = ocs; } /* initialize sysctl interface */ ocs_sysctl_init(ocs); mtx_init(&ocs->dbg_lock, "ocs_dbg_lock", NULL, MTX_DEF); } /** * @brief Free the debug module */ void ocs_debug_detach(void *os) { struct ocs_softc *ocs = os; mtx_destroy(&ocs->dbg_lock); if (ocs->cdev) { ocs->cdev->si_drv1 = NULL; destroy_dev(ocs->cdev); } }