[deliverable/linux.git] / drivers / crypto / qat / qat_common / adf_admin.c

/*
  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) 2014 Intel Corporation.
  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.

  Contact Information:
  qat-linux@intel.com

  BSD LICENSE
  Copyright(c) 2014 Intel Corporation.
  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 of 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 <linux/types.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include "adf_accel_devices.h"
#include "adf_common_drv.h"
#include "icp_qat_fw_init_admin.h"

/* Admin Messages Registers */
#define ADF_DH895XCC_ADMINMSGUR_OFFSET (0x3A000 + 0x574)
#define ADF_DH895XCC_ADMINMSGLR_OFFSET (0x3A000 + 0x578)
#define ADF_DH895XCC_MAILBOX_BASE_OFFSET 0x20970
#define ADF_DH895XCC_MAILBOX_STRIDE 0x1000
#define ADF_ADMINMSG_LEN 32

static const u8 const_tab[1024] __aligned(1024) = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x03, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13,
0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76,
0x54, 0x32, 0x10, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x67, 0x45, 0x23, 0x01, 0xef, 0xcd, 0xab,
0x89, 0x98, 0xba, 0xdc, 0xfe, 0x10, 0x32, 0x54, 0x76, 0xc3, 0xd2, 0xe1, 0xf0,
0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc1, 0x05, 0x9e,
0xd8, 0x36, 0x7c, 0xd5, 0x07, 0x30, 0x70, 0xdd, 0x17, 0xf7, 0x0e, 0x59, 0x39,
0xff, 0xc0, 0x0b, 0x31, 0x68, 0x58, 0x15, 0x11, 0x64, 0xf9, 0x8f, 0xa7, 0xbe,
0xfa, 0x4f, 0xa4, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6a, 0x09, 0xe6, 0x67, 0xbb, 0x67, 0xae,
0x85, 0x3c, 0x6e, 0xf3, 0x72, 0xa5, 0x4f, 0xf5, 0x3a, 0x51, 0x0e, 0x52, 0x7f,
0x9b, 0x05, 0x68, 0x8c, 0x1f, 0x83, 0xd9, 0xab, 0x5b, 0xe0, 0xcd, 0x19, 0x05,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0xcb, 0xbb, 0x9d, 0x5d, 0xc1, 0x05, 0x9e, 0xd8, 0x62, 0x9a, 0x29,
0x2a, 0x36, 0x7c, 0xd5, 0x07, 0x91, 0x59, 0x01, 0x5a, 0x30, 0x70, 0xdd, 0x17,
0x15, 0x2f, 0xec, 0xd8, 0xf7, 0x0e, 0x59, 0x39, 0x67, 0x33, 0x26, 0x67, 0xff,
0xc0, 0x0b, 0x31, 0x8e, 0xb4, 0x4a, 0x87, 0x68, 0x58, 0x15, 0x11, 0xdb, 0x0c,
0x2e, 0x0d, 0x64, 0xf9, 0x8f, 0xa7, 0x47, 0xb5, 0x48, 0x1d, 0xbe, 0xfa, 0x4f,
0xa4, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x6a, 0x09, 0xe6, 0x67, 0xf3, 0xbc, 0xc9, 0x08, 0xbb,
0x67, 0xae, 0x85, 0x84, 0xca, 0xa7, 0x3b, 0x3c, 0x6e, 0xf3, 0x72, 0xfe, 0x94,
0xf8, 0x2b, 0xa5, 0x4f, 0xf5, 0x3a, 0x5f, 0x1d, 0x36, 0xf1, 0x51, 0x0e, 0x52,
0x7f, 0xad, 0xe6, 0x82, 0xd1, 0x9b, 0x05, 0x68, 0x8c, 0x2b, 0x3e, 0x6c, 0x1f,
0x1f, 0x83, 0xd9, 0xab, 0xfb, 0x41, 0xbd, 0x6b, 0x5b, 0xe0, 0xcd, 0x19, 0x13,
0x7e, 0x21, 0x79, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

struct adf_admin_comms {
	dma_addr_t phy_addr;
	dma_addr_t const_tbl_addr;
	void *virt_addr;
	void *virt_tbl_addr;
	void __iomem *mailbox_addr;
	struct mutex lock;	/* protects adf_admin_comms struct */
};

static int adf_put_admin_msg_sync(struct adf_accel_dev *accel_dev, u32 ae,
				  void *in, void *out)
{
	struct adf_admin_comms *admin = accel_dev->admin;
	int offset = ae * ADF_ADMINMSG_LEN * 2;
	void __iomem *mailbox = admin->mailbox_addr;
	int mb_offset = ae * ADF_DH895XCC_MAILBOX_STRIDE;
	int times, received;

	mutex_lock(&admin->lock);

	if (ADF_CSR_RD(mailbox, mb_offset) == 1) {
		mutex_unlock(&admin->lock);
		return -EAGAIN;
	}

	memcpy(admin->virt_addr + offset, in, ADF_ADMINMSG_LEN);
	ADF_CSR_WR(mailbox, mb_offset, 1);
	received = 0;
	for (times = 0; times < 50; times++) {
		msleep(20);
		if (ADF_CSR_RD(mailbox, mb_offset) == 0) {
			received = 1;
			break;
		}
	}
	if (received)
		memcpy(out, admin->virt_addr + offset +
		       ADF_ADMINMSG_LEN, ADF_ADMINMSG_LEN);
	else
		dev_err(&GET_DEV(accel_dev),
			"Failed to send admin msg to accelerator\n");

	mutex_unlock(&admin->lock);
	return received ? 0 : -EFAULT;
}

static int adf_send_admin_cmd(struct adf_accel_dev *accel_dev, int cmd)
{
	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
	struct icp_qat_fw_init_admin_req req;
	struct icp_qat_fw_init_admin_resp resp;
	int i;

	memset(&req, 0, sizeof(struct icp_qat_fw_init_admin_req));
	req.init_admin_cmd_id = cmd;

	if (cmd == ICP_QAT_FW_CONSTANTS_CFG) {
		req.init_cfg_sz = 1024;
		req.init_cfg_ptr = accel_dev->admin->const_tbl_addr;
	}
	for (i = 0; i < hw_device->get_num_aes(hw_device); i++) {
		memset(&resp, 0, sizeof(struct icp_qat_fw_init_admin_resp));
		if (adf_put_admin_msg_sync(accel_dev, i, &req, &resp) ||
		    resp.init_resp_hdr.status)
			return -EFAULT;
	}
	return 0;
}

/**
 * adf_send_admin_init() - Function sends init message to FW
 * @accel_dev: Pointer to acceleration device.
 *
 * Function sends admin init message to the FW
 *
 * Return: 0 on success, error code otherwise.
 */
int adf_send_admin_init(struct adf_accel_dev *accel_dev)
{
	int ret = adf_send_admin_cmd(accel_dev, ICP_QAT_FW_INIT_ME);

	if (ret)
		return ret;
	return adf_send_admin_cmd(accel_dev, ICP_QAT_FW_CONSTANTS_CFG);
}
EXPORT_SYMBOL_GPL(adf_send_admin_init);

int adf_init_admin_comms(struct adf_accel_dev *accel_dev)
{
	struct adf_admin_comms *admin;
	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
	struct adf_bar *pmisc =
		&GET_BARS(accel_dev)[hw_data->get_misc_bar_id(hw_data)];
	void __iomem *csr = pmisc->virt_addr;
	void __iomem *mailbox = (void __iomem *)((uintptr_t)csr +
				 ADF_DH895XCC_MAILBOX_BASE_OFFSET);
	u64 reg_val;

	admin = kzalloc_node(sizeof(*accel_dev->admin), GFP_KERNEL,
			     dev_to_node(&GET_DEV(accel_dev)));
	if (!admin)
		return -ENOMEM;
	admin->virt_addr = dma_zalloc_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
					       &admin->phy_addr, GFP_KERNEL);
	if (!admin->virt_addr) {
		dev_err(&GET_DEV(accel_dev), "Failed to allocate dma buff\n");
		kfree(admin);
		return -ENOMEM;
	}

	admin->virt_tbl_addr = dma_zalloc_coherent(&GET_DEV(accel_dev),
						   PAGE_SIZE,
						   &admin->const_tbl_addr,
						   GFP_KERNEL);
	if (!admin->virt_tbl_addr) {
		dev_err(&GET_DEV(accel_dev), "Failed to allocate const_tbl\n");
		dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
				  admin->virt_addr, admin->phy_addr);
		kfree(admin);
		return -ENOMEM;
	}

	memcpy(admin->virt_tbl_addr, const_tab, sizeof(const_tab));
	reg_val = (u64)admin->phy_addr;
	ADF_CSR_WR(csr, ADF_DH895XCC_ADMINMSGUR_OFFSET, reg_val >> 32);
	ADF_CSR_WR(csr, ADF_DH895XCC_ADMINMSGLR_OFFSET, reg_val);
	mutex_init(&admin->lock);
	admin->mailbox_addr = mailbox;
	accel_dev->admin = admin;
	return 0;
}
EXPORT_SYMBOL_GPL(adf_init_admin_comms);

void adf_exit_admin_comms(struct adf_accel_dev *accel_dev)
{
	struct adf_admin_comms *admin = accel_dev->admin;

	if (!admin)
		return;

	if (admin->virt_addr)
		dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
				  admin->virt_addr, admin->phy_addr);
	if (admin->virt_tbl_addr)
		dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
				  admin->virt_tbl_addr, admin->const_tbl_addr);

	mutex_destroy(&admin->lock);
	kfree(admin);
	accel_dev->admin = NULL;
}
EXPORT_SYMBOL_GPL(adf_exit_admin_comms);
Commit	Line	Data
7afa232e TS	1	/*
	2	This file is provided under a dual BSD/GPLv2 license. When using or
	3	redistributing this file, you may do so under either license.
	4
	5	GPL LICENSE SUMMARY
	6	Copyright(c) 2014 Intel Corporation.
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of version 2 of the GNU General Public License as
	9	published by the Free Software Foundation.
	10
	11	This program is distributed in the hope that it will be useful, but
	12	WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	General Public License for more details.
	15
	16	Contact Information:
	17	qat-linux@intel.com
	18
	19	BSD LICENSE
	20	Copyright(c) 2014 Intel Corporation.
	21	Redistribution and use in source and binary forms, with or without
	22	modification, are permitted provided that the following conditions
	23	are met:
	24
	25	* Redistributions of source code must retain the above copyright
	26	notice, this list of conditions and the following disclaimer.
	27	* Redistributions in binary form must reproduce the above copyright
	28	notice, this list of conditions and the following disclaimer in
	29	the documentation and/or other materials provided with the
	30	distribution.
	31	* Neither the name of Intel Corporation nor the names of its
	32	contributors may be used to endorse or promote products derived
	33	from this software without specific prior written permission.
	34
	35	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	36	"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	37	LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	38	A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	39	OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	40	SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	41	LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	42	DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	43	THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	44	(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	45	OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	46	*/
	47	#include <linux/types.h>
	48	#include <linux/mutex.h>
	49	#include <linux/slab.h>
	50	#include <linux/delay.h>
	51	#include <linux/pci.h>
	52	#include <linux/dma-mapping.h>
a5733139	53	#include "adf_accel_devices.h"
1a72d3a6	54	#include "adf_common_drv.h"
a5733139 TS	55	#include "icp_qat_fw_init_admin.h"
	56
	57	/* Admin Messages Registers */
	58	#define ADF_DH895XCC_ADMINMSGUR_OFFSET (0x3A000 + 0x574)
	59	#define ADF_DH895XCC_ADMINMSGLR_OFFSET (0x3A000 + 0x578)
	60	#define ADF_DH895XCC_MAILBOX_BASE_OFFSET 0x20970
	61	#define ADF_DH895XCC_MAILBOX_STRIDE 0x1000
7afa232e TS	62	#define ADF_ADMINMSG_LEN 32
7afa232e TS	63
082ebe92	64	static const u8 const_tab[1024] __aligned(1024) = {
89c07b8a TS	65	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	66	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	67	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	68	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	69	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	70	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
	71	0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00,
	72	0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	73	0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
	74	0x00, 0x00, 0x00, 0x03, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01,
	75	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
	76	0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x02, 0x00, 0x00,
	77	0x00, 0x00, 0x00, 0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13,
	78	0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00,
	79	0x00, 0x00, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00,
	80	0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	81	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	82	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	83	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	84	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	85	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	86	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	87	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
	88	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	89	0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76,
	90	0x54, 0x32, 0x10, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	91	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x67, 0x45, 0x23, 0x01, 0xef, 0xcd, 0xab,
	92	0x89, 0x98, 0xba, 0xdc, 0xfe, 0x10, 0x32, 0x54, 0x76, 0xc3, 0xd2, 0xe1, 0xf0,
	93	0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	94	0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
	95	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc1, 0x05, 0x9e,
	96	0xd8, 0x36, 0x7c, 0xd5, 0x07, 0x30, 0x70, 0xdd, 0x17, 0xf7, 0x0e, 0x59, 0x39,
	97	0xff, 0xc0, 0x0b, 0x31, 0x68, 0x58, 0x15, 0x11, 0x64, 0xf9, 0x8f, 0xa7, 0xbe,
	98	0xfa, 0x4f, 0xa4, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	99	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6a, 0x09, 0xe6, 0x67, 0xbb, 0x67, 0xae,
	100	0x85, 0x3c, 0x6e, 0xf3, 0x72, 0xa5, 0x4f, 0xf5, 0x3a, 0x51, 0x0e, 0x52, 0x7f,
	101	0x9b, 0x05, 0x68, 0x8c, 0x1f, 0x83, 0xd9, 0xab, 0x5b, 0xe0, 0xcd, 0x19, 0x05,
	102	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	103	0x00, 0x00, 0xcb, 0xbb, 0x9d, 0x5d, 0xc1, 0x05, 0x9e, 0xd8, 0x62, 0x9a, 0x29,
	104	0x2a, 0x36, 0x7c, 0xd5, 0x07, 0x91, 0x59, 0x01, 0x5a, 0x30, 0x70, 0xdd, 0x17,
	105	0x15, 0x2f, 0xec, 0xd8, 0xf7, 0x0e, 0x59, 0x39, 0x67, 0x33, 0x26, 0x67, 0xff,
	106	0xc0, 0x0b, 0x31, 0x8e, 0xb4, 0x4a, 0x87, 0x68, 0x58, 0x15, 0x11, 0xdb, 0x0c,
	107	0x2e, 0x0d, 0x64, 0xf9, 0x8f, 0xa7, 0x47, 0xb5, 0x48, 0x1d, 0xbe, 0xfa, 0x4f,
	108	0xa4, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	109	0x00, 0x00, 0x00, 0x00, 0x6a, 0x09, 0xe6, 0x67, 0xf3, 0xbc, 0xc9, 0x08, 0xbb,
	110	0x67, 0xae, 0x85, 0x84, 0xca, 0xa7, 0x3b, 0x3c, 0x6e, 0xf3, 0x72, 0xfe, 0x94,
	111	0xf8, 0x2b, 0xa5, 0x4f, 0xf5, 0x3a, 0x5f, 0x1d, 0x36, 0xf1, 0x51, 0x0e, 0x52,
	112	0x7f, 0xad, 0xe6, 0x82, 0xd1, 0x9b, 0x05, 0x68, 0x8c, 0x2b, 0x3e, 0x6c, 0x1f,
	113	0x1f, 0x83, 0xd9, 0xab, 0xfb, 0x41, 0xbd, 0x6b, 0x5b, 0xe0, 0xcd, 0x19, 0x13,
	114	0x7e, 0x21, 0x79, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	115	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	116	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	117	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	118	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	119	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	120	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	121	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	122	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	123	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	124	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	125	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	126	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	127	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	128	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
129	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
130	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
131	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
132	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
133	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
134	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
135	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
136	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
137	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
138	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
139	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
140	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
141	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
142	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
143	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
144
7afa232e TS	145	struct adf_admin_comms {
7afa232e TS	146	dma_addr_t phy_addr;
89c07b8a	147	dma_addr_t const_tbl_addr;
7afa232e	148	void *virt_addr;
93ba73fe	149	void *virt_tbl_addr;
7afa232e TS	150	void __iomem *mailbox_addr;
	151	struct mutex lock; /* protects adf_admin_comms struct */
	152	};
	153
a5733139 TS	154	static int adf_put_admin_msg_sync(struct adf_accel_dev *accel_dev, u32 ae,
a5733139 TS	155	void in, void out)
7afa232e TS	156	{
	157	struct adf_admin_comms *admin = accel_dev->admin;
	158	int offset = ae * ADF_ADMINMSG_LEN * 2;
	159	void __iomem *mailbox = admin->mailbox_addr;
	160	int mb_offset = ae * ADF_DH895XCC_MAILBOX_STRIDE;
	161	int times, received;
	162
	163	mutex_lock(&admin->lock);
	164
	165	if (ADF_CSR_RD(mailbox, mb_offset) == 1) {
	166	mutex_unlock(&admin->lock);
	167	return -EAGAIN;
	168	}
	169
	170	memcpy(admin->virt_addr + offset, in, ADF_ADMINMSG_LEN);
	171	ADF_CSR_WR(mailbox, mb_offset, 1);
	172	received = 0;
	173	for (times = 0; times < 50; times++) {
	174	msleep(20);
	175	if (ADF_CSR_RD(mailbox, mb_offset) == 0) {
	176	received = 1;
	177	break;
	178	}
	179	}
	180	if (received)
	181	memcpy(out, admin->virt_addr + offset +
	182	ADF_ADMINMSG_LEN, ADF_ADMINMSG_LEN);
	183	else
66550304 AB	184	dev_err(&GET_DEV(accel_dev),
66550304 AB	185	"Failed to send admin msg to accelerator\n");
7afa232e TS	186
	187	mutex_unlock(&admin->lock);
	188	return received ? 0 : -EFAULT;
	189	}
	190
a5733139 TS	191	static int adf_send_admin_cmd(struct adf_accel_dev *accel_dev, int cmd)
	192	{
	193	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
	194	struct icp_qat_fw_init_admin_req req;
	195	struct icp_qat_fw_init_admin_resp resp;
	196	int i;
	197
	198	memset(&req, 0, sizeof(struct icp_qat_fw_init_admin_req));
	199	req.init_admin_cmd_id = cmd;
89c07b8a TS	200
	201	if (cmd == ICP_QAT_FW_CONSTANTS_CFG) {
	202	req.init_cfg_sz = 1024;
	203	req.init_cfg_ptr = accel_dev->admin->const_tbl_addr;
	204	}
a5733139 TS	205	for (i = 0; i < hw_device->get_num_aes(hw_device); i++) {
	206	memset(&resp, 0, sizeof(struct icp_qat_fw_init_admin_resp));
	207	if (adf_put_admin_msg_sync(accel_dev, i, &req, &resp) \|\|
	208	resp.init_resp_hdr.status)
	209	return -EFAULT;
	210	}
	211	return 0;
	212	}
	213
	214	/**
	215	* adf_send_admin_init() - Function sends init message to FW
	216	* @accel_dev: Pointer to acceleration device.
	217	*
	218	* Function sends admin init message to the FW
	219	*
	220	* Return: 0 on success, error code otherwise.
	221	*/
	222	int adf_send_admin_init(struct adf_accel_dev *accel_dev)
	223	{
89c07b8a TS	224	int ret = adf_send_admin_cmd(accel_dev, ICP_QAT_FW_INIT_ME);
	225
	226	if (ret)
	227	return ret;
	228	return adf_send_admin_cmd(accel_dev, ICP_QAT_FW_CONSTANTS_CFG);
a5733139 TS	229	}
	230	EXPORT_SYMBOL_GPL(adf_send_admin_init);
	231
7afa232e TS	232	int adf_init_admin_comms(struct adf_accel_dev *accel_dev)
	233	{
	234	struct adf_admin_comms *admin;
a5733139 TS	235	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
	236	struct adf_bar *pmisc =
	237	&GET_BARS(accel_dev)[hw_data->get_misc_bar_id(hw_data)];
7afa232e	238	void __iomem *csr = pmisc->virt_addr;
1a72d3a6 TS	239	void __iomem mailbox = (void __iomem )((uintptr_t)csr +
1a72d3a6 TS	240	ADF_DH895XCC_MAILBOX_BASE_OFFSET);
a5733139	241	u64 reg_val;
7afa232e TS	242
7afa232e TS	243	admin = kzalloc_node(sizeof(*accel_dev->admin), GFP_KERNEL,
09adc878	244	dev_to_node(&GET_DEV(accel_dev)));
7afa232e TS	245	if (!admin)
	246	return -ENOMEM;
	247	admin->virt_addr = dma_zalloc_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
	248	&admin->phy_addr, GFP_KERNEL);
	249	if (!admin->virt_addr) {
	250	dev_err(&GET_DEV(accel_dev), "Failed to allocate dma buff\n");
	251	kfree(admin);
	252	return -ENOMEM;
	253	}
89c07b8a	254
93ba73fe ML	255	admin->virt_tbl_addr = dma_zalloc_coherent(&GET_DEV(accel_dev),
	256	PAGE_SIZE,
	257	&admin->const_tbl_addr,
	258	GFP_KERNEL);
	259	if (!admin->virt_tbl_addr) {
	260	dev_err(&GET_DEV(accel_dev), "Failed to allocate const_tbl\n");
89c07b8a TS	261	dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
	262	admin->virt_addr, admin->phy_addr);
	263	kfree(admin);
	264	return -ENOMEM;
	265	}
93ba73fe ML	266
93ba73fe ML	267	memcpy(admin->virt_tbl_addr, const_tab, sizeof(const_tab));
a5733139	268	reg_val = (u64)admin->phy_addr;
7afa232e TS	269	ADF_CSR_WR(csr, ADF_DH895XCC_ADMINMSGUR_OFFSET, reg_val >> 32);
	270	ADF_CSR_WR(csr, ADF_DH895XCC_ADMINMSGLR_OFFSET, reg_val);
	271	mutex_init(&admin->lock);
	272	admin->mailbox_addr = mailbox;
	273	accel_dev->admin = admin;
	274	return 0;
	275	}
a5733139	276	EXPORT_SYMBOL_GPL(adf_init_admin_comms);
7afa232e TS	277
	278	void adf_exit_admin_comms(struct adf_accel_dev *accel_dev)
	279	{
	280	struct adf_admin_comms *admin = accel_dev->admin;
	281
	282	if (!admin)
	283	return;
	284
	285	if (admin->virt_addr)
	286	dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
	287	admin->virt_addr, admin->phy_addr);
93ba73fe ML	288	if (admin->virt_tbl_addr)
	289	dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
	290	admin->virt_tbl_addr, admin->const_tbl_addr);
7afa232e TS	291
	292	mutex_destroy(&admin->lock);
	293	kfree(admin);
	294	accel_dev->admin = NULL;
	295	}
a5733139	296	EXPORT_SYMBOL_GPL(adf_exit_admin_comms);