Author: adrian
Date: Fri Feb 24 15:17:43 2017
New Revision: 314209
URL: https://svnweb.freebsd.org/changeset/base/314209
Log:
[iwm] add if_iwm_fw.c.
Added:
head/sys/dev/iwm/if_iwm_fw.c (contents, props changed)
head/sys/dev/iwm/if_iwm_fw.h (contents, props changed)
Added: head/sys/dev/iwm/if_iwm_fw.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/dev/iwm/if_iwm_fw.c Fri Feb 24 15:17:43 2017
(r314209)
@@ -0,0 +1,341 @@
+/*-
+ * Based on BSD-licensed source modules in the Linux iwlwifi driver,
+ * which were used as the reference documentation for this implementation.
+ *
+ * Driver version we are currently based off of is
+ * Linux 4.7.3 (tag id d7f6728f57e3ecbb7ef34eb7d9f564d514775d75)
+ *
+ ***********************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
+ * USA
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called COPYING.
+ *
+ * Contact Information:
+ * Intel Linux Wireless <linuxw...@intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name Intel Corporation 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
+ * OWNER 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include "opt_wlan.h"
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/conf.h>
+#include <sys/endian.h>
+#include <sys/firmware.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/mbuf.h>
+#include <sys/mutex.h>
+#include <sys/module.h>
+#include <sys/proc.h>
+#include <sys/rman.h>
+#include <sys/socket.h>
+#include <sys/sockio.h>
+#include <sys/sysctl.h>
+#include <sys/linker.h>
+
+#include <machine/bus.h>
+#include <machine/endian.h>
+#include <machine/resource.h>
+
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcireg.h>
+
+#include <net/bpf.h>
+
+#include <net/if.h>
+#include <net/if_var.h>
+#include <net/if_arp.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/if_ether.h>
+#include <netinet/ip.h>
+
+#include <net80211/ieee80211_var.h>
+#include <net80211/ieee80211_regdomain.h>
+#include <net80211/ieee80211_ratectl.h>
+#include <net80211/ieee80211_radiotap.h>
+
+#include <dev/iwm/if_iwmreg.h>
+#include <dev/iwm/if_iwmvar.h>
+#include <dev/iwm/if_iwm_debug.h>
+#include <dev/iwm/if_iwm_util.h>
+#include <dev/iwm/if_iwm_fw.h>
+
+void
+iwm_free_fw_paging(struct iwm_softc *sc)
+{
+ int i;
+
+ if (sc->fw_paging_db[0].fw_paging_block.vaddr == NULL)
+ return;
+
+ for (i = 0; i < IWM_NUM_OF_FW_PAGING_BLOCKS; i++) {
+ iwm_dma_contig_free(&sc->fw_paging_db[i].fw_paging_block);
+ }
+
+ memset(sc->fw_paging_db, 0, sizeof(sc->fw_paging_db));
+}
+
+static int
+iwm_fill_paging_mem(struct iwm_softc *sc, const struct iwm_fw_sects *image)
+{
+ int sec_idx, idx;
+ uint32_t offset = 0;
+
+ /*
+ * find where is the paging image start point:
+ * if CPU2 exist and it's in paging format, then the image looks like:
+ * CPU1 sections (2 or more)
+ * CPU1_CPU2_SEPARATOR_SECTION delimiter - separate between CPU1 to CPU2
+ * CPU2 sections (not paged)
+ * PAGING_SEPARATOR_SECTION delimiter - separate between CPU2
+ * non paged to CPU2 paging sec
+ * CPU2 paging CSS
+ * CPU2 paging image (including instruction and data)
+ */
+ for (sec_idx = 0; sec_idx < IWM_UCODE_SECTION_MAX; sec_idx++) {
+ if (image->fw_sect[sec_idx].offset ==
IWM_PAGING_SEPARATOR_SECTION) {
+ sec_idx++;
+ break;
+ }
+ }
+
+ /*
+ * If paging is enabled there should be at least 2 more sections left
+ * (one for CSS and one for Paging data)
+ */
+ if (sec_idx >= nitems(image->fw_sect) - 1) {
+ device_printf(sc->sc_dev,
+ "Paging: Missing CSS and/or paging sections\n");
+ iwm_free_fw_paging(sc);
+ return EINVAL;
+ }
+
+ /* copy the CSS block to the dram */
+ IWM_DPRINTF(sc, IWM_DEBUG_FW,
+ "Paging: load paging CSS to FW, sec = %d\n",
+ sec_idx);
+
+ memcpy(sc->fw_paging_db[0].fw_paging_block.vaddr,
+ image->fw_sect[sec_idx].data,
+ sc->fw_paging_db[0].fw_paging_size);
+
+ IWM_DPRINTF(sc, IWM_DEBUG_FW,
+ "Paging: copied %d CSS bytes to first block\n",
+ sc->fw_paging_db[0].fw_paging_size);
+
+ sec_idx++;
+
+ /*
+ * copy the paging blocks to the dram
+ * loop index start from 1 since that CSS block already copied to dram
+ * and CSS index is 0.
+ * loop stop at num_of_paging_blk since that last block is not full.
+ */
+ for (idx = 1; idx < sc->num_of_paging_blk; idx++) {
+ memcpy(sc->fw_paging_db[idx].fw_paging_block.vaddr,
+ (const char *)image->fw_sect[sec_idx].data + offset,
+ sc->fw_paging_db[idx].fw_paging_size);
+
+ IWM_DPRINTF(sc, IWM_DEBUG_FW,
+ "Paging: copied %d paging bytes to block %d\n",
+ sc->fw_paging_db[idx].fw_paging_size,
+ idx);
+
+ offset += sc->fw_paging_db[idx].fw_paging_size;
+ }
+
+ /* copy the last paging block */
+ if (sc->num_of_pages_in_last_blk > 0) {
+ memcpy(sc->fw_paging_db[idx].fw_paging_block.vaddr,
+ (const char *)image->fw_sect[sec_idx].data + offset,
+ IWM_FW_PAGING_SIZE * sc->num_of_pages_in_last_blk);
+
+ IWM_DPRINTF(sc, IWM_DEBUG_FW,
+ "Paging: copied %d pages in the last block %d\n",
+ sc->num_of_pages_in_last_blk, idx);
+ }
+
+ return 0;
+}
+
+static int
+iwm_alloc_fw_paging_mem(struct iwm_softc *sc, const struct iwm_fw_sects *image)
+{
+ int blk_idx = 0;
+ int error, num_of_pages;
+
+ if (sc->fw_paging_db[0].fw_paging_block.vaddr != NULL) {
+ int i;
+ /* Device got reset, and we setup firmware paging again */
+ for (i = 0; i < sc->num_of_paging_blk + 1; i++) {
+ bus_dmamap_sync(sc->sc_dmat,
+ sc->fw_paging_db[i].fw_paging_block.map,
+ BUS_DMASYNC_POSTWRITE | BUS_DMASYNC_POSTREAD);
+ }
+ return 0;
+ }
+
+ /* ensure IWM_BLOCK_2_EXP_SIZE is power of 2 of IWM_PAGING_BLOCK_SIZE */
+ _Static_assert((1 << IWM_BLOCK_2_EXP_SIZE) == IWM_PAGING_BLOCK_SIZE,
+ "IWM_BLOCK_2_EXP_SIZE must be power of 2 of IWM_PAGING_BLOCK_SIZE");
+
+ num_of_pages = image->paging_mem_size / IWM_FW_PAGING_SIZE;
+ sc->num_of_paging_blk = ((num_of_pages - 1) /
+ IWM_NUM_OF_PAGE_PER_GROUP) + 1;
+
+ sc->num_of_pages_in_last_blk =
+ num_of_pages -
+ IWM_NUM_OF_PAGE_PER_GROUP * (sc->num_of_paging_blk - 1);
+
+ IWM_DPRINTF(sc, IWM_DEBUG_FW,
+ "Paging: allocating mem for %d paging blocks, each block
holds 8 pages, last block holds %d pages\n",
+ sc->num_of_paging_blk,
+ sc->num_of_pages_in_last_blk);
+
+ /* allocate block of 4Kbytes for paging CSS */
+ error = iwm_dma_contig_alloc(sc->sc_dmat,
+ &sc->fw_paging_db[blk_idx].fw_paging_block, IWM_FW_PAGING_SIZE,
+ 4096);
+ if (error) {
+ /* free all the previous pages since we failed */
+ iwm_free_fw_paging(sc);
+ return ENOMEM;
+ }
+
+ sc->fw_paging_db[blk_idx].fw_paging_size = IWM_FW_PAGING_SIZE;
+
+ IWM_DPRINTF(sc, IWM_DEBUG_FW,
+ "Paging: allocated 4K(CSS) bytes for firmware paging.\n");
+
+ /*
+ * allocate blocks in dram.
+ * since that CSS allocated in fw_paging_db[0] loop start from index 1
+ */
+ for (blk_idx = 1; blk_idx < sc->num_of_paging_blk + 1; blk_idx++) {
+ /* allocate block of IWM_PAGING_BLOCK_SIZE (32K) */
+ /* XXX Use iwm_dma_contig_alloc for allocating */
+ error = iwm_dma_contig_alloc(sc->sc_dmat,
+ &sc->fw_paging_db[blk_idx].fw_paging_block,
+ IWM_PAGING_BLOCK_SIZE, 4096);
+ if (error) {
+ /* free all the previous pages since we failed */
+ iwm_free_fw_paging(sc);
+ return ENOMEM;
+ }
+
+ sc->fw_paging_db[blk_idx].fw_paging_size =
IWM_PAGING_BLOCK_SIZE;
+
+ IWM_DPRINTF(sc, IWM_DEBUG_FW,
+ "Paging: allocated 32K bytes for firmware
paging.\n");
+ }
+
+ return 0;
+}
+
+int
+iwm_save_fw_paging(struct iwm_softc *sc, const struct iwm_fw_sects *fw)
+{
+ int ret;
+
+ ret = iwm_alloc_fw_paging_mem(sc, fw);
+ if (ret)
+ return ret;
+
+ return iwm_fill_paging_mem(sc, fw);
+}
+
+/* send paging cmd to FW in case CPU2 has paging image */
+int
+iwm_send_paging_cmd(struct iwm_softc *sc, const struct iwm_fw_sects *fw)
+{
+ int blk_idx;
+ uint32_t dev_phy_addr;
+ struct iwm_fw_paging_cmd fw_paging_cmd = {
+ .flags =
+ htole32(IWM_PAGING_CMD_IS_SECURED |
+ IWM_PAGING_CMD_IS_ENABLED |
+ (sc->num_of_pages_in_last_blk <<
+ IWM_PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS)),
+ .block_size = htole32(IWM_BLOCK_2_EXP_SIZE),
+ .block_num = htole32(sc->num_of_paging_blk),
+ };
+
+ /* loop for for all paging blocks + CSS block */
+ for (blk_idx = 0; blk_idx < sc->num_of_paging_blk + 1; blk_idx++) {
+ dev_phy_addr = htole32(
+ sc->fw_paging_db[blk_idx].fw_paging_block.paddr >>
+ IWM_PAGE_2_EXP_SIZE);
+ fw_paging_cmd.device_phy_addr[blk_idx] = dev_phy_addr;
+ bus_dmamap_sync(sc->sc_dmat,
+ sc->fw_paging_db[blk_idx].fw_paging_block.map,
+ BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD);
+ }
+
+ return iwm_mvm_send_cmd_pdu(sc, iwm_cmd_id(IWM_FW_PAGING_BLOCK_CMD,
+ IWM_ALWAYS_LONG_GROUP, 0),
+ 0, sizeof(fw_paging_cmd), &fw_paging_cmd);
+}
Added: head/sys/dev/iwm/if_iwm_fw.h
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/dev/iwm/if_iwm_fw.h Fri Feb 24 15:17:43 2017
(r314209)
@@ -0,0 +1,113 @@
+/*-
+ * Based on BSD-licensed source modules in the Linux iwlwifi driver,
+ * which were used as the reference documentation for this implementation.
+ *
+ * Driver version we are currently based off of is
+ * Linux 4.7.3 (tag id d7f6728f57e3ecbb7ef34eb7d9f564d514775d75)
+ *
+ ***********************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
+ * USA
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called COPYING.
+ *
+ * Contact Information:
+ * Intel Linux Wireless <linuxw...@intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
+ * Copyright(c) 2016 Intel Deutschland GmbH
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the name Intel Corporation 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
+ * OWNER 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.
+ */
+/*
+ * $FreeBSD$
+ */
+#ifndef __IF_IWM_FW_H__
+#define __IF_IWM_FW_H__
+
+/*
+ * Block paging calculations
+ */
+#define IWM_PAGE_2_EXP_SIZE 12 /* 4K == 2^12 */
+#define IWM_FW_PAGING_SIZE (1 << IWM_PAGE_2_EXP_SIZE) /* page size is 4KB */
+#define IWM_PAGE_PER_GROUP_2_EXP_SIZE 3
+/* 8 pages per group */
+#define IWM_NUM_OF_PAGE_PER_GROUP (1 << IWM_PAGE_PER_GROUP_2_EXP_SIZE)
+/* don't change, support only 32KB size */
+#define IWM_PAGING_BLOCK_SIZE (IWM_NUM_OF_PAGE_PER_GROUP * IWM_FW_PAGING_SIZE)
+/* 32K == 2^15 */
+#define IWM_BLOCK_2_EXP_SIZE (IWM_PAGE_2_EXP_SIZE +
IWM_PAGE_PER_GROUP_2_EXP_SIZE)
+
+/*
+ * Image paging calculations
+ */
+#define IWM_BLOCK_PER_IMAGE_2_EXP_SIZE 5
+/* 2^5 == 32 blocks per image */
+#define IWM_NUM_OF_BLOCK_PER_IMAGE (1 << IWM_BLOCK_PER_IMAGE_2_EXP_SIZE)
+/* maximum image size 1024KB */
+#define IWM_MAX_PAGING_IMAGE_SIZE (IWM_NUM_OF_BLOCK_PER_IMAGE *
IWM_PAGING_BLOCK_SIZE)
+
+/* Virtual address signature */
+#define IWM_PAGING_ADDR_SIG 0xAA000000
+
+#define IWM_PAGING_CMD_IS_SECURED (1 << 9)
+#define IWM_PAGING_CMD_IS_ENABLED (1 << 8)
+#define IWM_PAGING_CMD_NUM_OF_PAGES_IN_LAST_GRP_POS 0
+#define IWM_PAGING_TLV_SECURE_MASK 1
+
+extern void iwm_free_fw_paging(struct iwm_softc *);
+extern int iwm_save_fw_paging(struct iwm_softc *, const struct iwm_fw_sects *);
+extern int iwm_send_paging_cmd(struct iwm_softc *, const struct iwm_fw_sects
*);
+
+#endif /* __IF_IWM_FW_H__ */
_______________________________________________
svn-src-head@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-head
To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
