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290 lines
12 KiB
290 lines
12 KiB
// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) |
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/* Copyright(c) 2014 - 2020 Intel Corporation */ |
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#include <linux/types.h> |
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#include <linux/mutex.h> |
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#include <linux/slab.h> |
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#include <linux/iopoll.h> |
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#include <linux/pci.h> |
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#include <linux/dma-mapping.h> |
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#include "adf_accel_devices.h" |
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#include "adf_common_drv.h" |
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#include "icp_qat_fw_init_admin.h" |
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#define ADF_ADMIN_MAILBOX_STRIDE 0x1000 |
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#define ADF_ADMINMSG_LEN 32 |
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#define ADF_CONST_TABLE_SIZE 1024 |
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#define ADF_ADMIN_POLL_DELAY_US 20 |
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#define ADF_ADMIN_POLL_TIMEOUT_US (5 * USEC_PER_SEC) |
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static const u8 const_tab[1024] __aligned(1024) = { |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x03, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x02, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, |
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0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, |
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0x54, 0x32, 0x10, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x67, 0x45, 0x23, 0x01, 0xef, 0xcd, 0xab, |
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0x89, 0x98, 0xba, 0xdc, 0xfe, 0x10, 0x32, 0x54, 0x76, 0xc3, 0xd2, 0xe1, 0xf0, |
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0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc1, 0x05, 0x9e, |
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0xd8, 0x36, 0x7c, 0xd5, 0x07, 0x30, 0x70, 0xdd, 0x17, 0xf7, 0x0e, 0x59, 0x39, |
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0xff, 0xc0, 0x0b, 0x31, 0x68, 0x58, 0x15, 0x11, 0x64, 0xf9, 0x8f, 0xa7, 0xbe, |
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0xfa, 0x4f, 0xa4, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6a, 0x09, 0xe6, 0x67, 0xbb, 0x67, 0xae, |
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0x85, 0x3c, 0x6e, 0xf3, 0x72, 0xa5, 0x4f, 0xf5, 0x3a, 0x51, 0x0e, 0x52, 0x7f, |
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0x9b, 0x05, 0x68, 0x8c, 0x1f, 0x83, 0xd9, 0xab, 0x5b, 0xe0, 0xcd, 0x19, 0x05, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0xcb, 0xbb, 0x9d, 0x5d, 0xc1, 0x05, 0x9e, 0xd8, 0x62, 0x9a, 0x29, |
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0x2a, 0x36, 0x7c, 0xd5, 0x07, 0x91, 0x59, 0x01, 0x5a, 0x30, 0x70, 0xdd, 0x17, |
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0x15, 0x2f, 0xec, 0xd8, 0xf7, 0x0e, 0x59, 0x39, 0x67, 0x33, 0x26, 0x67, 0xff, |
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0xc0, 0x0b, 0x31, 0x8e, 0xb4, 0x4a, 0x87, 0x68, 0x58, 0x15, 0x11, 0xdb, 0x0c, |
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0x2e, 0x0d, 0x64, 0xf9, 0x8f, 0xa7, 0x47, 0xb5, 0x48, 0x1d, 0xbe, 0xfa, 0x4f, |
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0xa4, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x6a, 0x09, 0xe6, 0x67, 0xf3, 0xbc, 0xc9, 0x08, 0xbb, |
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0x67, 0xae, 0x85, 0x84, 0xca, 0xa7, 0x3b, 0x3c, 0x6e, 0xf3, 0x72, 0xfe, 0x94, |
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0xf8, 0x2b, 0xa5, 0x4f, 0xf5, 0x3a, 0x5f, 0x1d, 0x36, 0xf1, 0x51, 0x0e, 0x52, |
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0x7f, 0xad, 0xe6, 0x82, 0xd1, 0x9b, 0x05, 0x68, 0x8c, 0x2b, 0x3e, 0x6c, 0x1f, |
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0x1f, 0x83, 0xd9, 0xab, 0xfb, 0x41, 0xbd, 0x6b, 0x5b, 0xe0, 0xcd, 0x19, 0x13, |
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0x7e, 0x21, 0x79, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x18, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0x01, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x15, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0x02, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x14, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x15, 0x02, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x15, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x25, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x24, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x25, |
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0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x12, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x43, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x43, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x45, 0x01, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x44, 0x01, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x2B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x2B, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x17, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
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struct adf_admin_comms { |
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dma_addr_t phy_addr; |
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dma_addr_t const_tbl_addr; |
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void *virt_addr; |
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void *virt_tbl_addr; |
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void __iomem *mailbox_addr; |
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struct mutex lock; /* protects adf_admin_comms struct */ |
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}; |
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static int adf_put_admin_msg_sync(struct adf_accel_dev *accel_dev, u32 ae, |
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void *in, void *out) |
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{ |
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int ret; |
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u32 status; |
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struct adf_admin_comms *admin = accel_dev->admin; |
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int offset = ae * ADF_ADMINMSG_LEN * 2; |
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void __iomem *mailbox = admin->mailbox_addr; |
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int mb_offset = ae * ADF_ADMIN_MAILBOX_STRIDE; |
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struct icp_qat_fw_init_admin_req *request = in; |
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mutex_lock(&admin->lock); |
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if (ADF_CSR_RD(mailbox, mb_offset) == 1) { |
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mutex_unlock(&admin->lock); |
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return -EAGAIN; |
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} |
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memcpy(admin->virt_addr + offset, in, ADF_ADMINMSG_LEN); |
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ADF_CSR_WR(mailbox, mb_offset, 1); |
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ret = read_poll_timeout(ADF_CSR_RD, status, status == 0, |
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ADF_ADMIN_POLL_DELAY_US, |
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ADF_ADMIN_POLL_TIMEOUT_US, true, |
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mailbox, mb_offset); |
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if (ret < 0) { |
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/* Response timeout */ |
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dev_err(&GET_DEV(accel_dev), |
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"Failed to send admin msg %d to accelerator %d\n", |
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request->cmd_id, ae); |
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} else { |
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/* Response received from admin message, we can now |
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* make response data available in "out" parameter. |
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*/ |
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memcpy(out, admin->virt_addr + offset + |
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ADF_ADMINMSG_LEN, ADF_ADMINMSG_LEN); |
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} |
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mutex_unlock(&admin->lock); |
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return ret; |
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} |
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static int adf_send_admin(struct adf_accel_dev *accel_dev, |
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struct icp_qat_fw_init_admin_req *req, |
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struct icp_qat_fw_init_admin_resp *resp, |
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const unsigned long ae_mask) |
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{ |
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u32 ae; |
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for_each_set_bit(ae, &ae_mask, ICP_QAT_HW_AE_DELIMITER) |
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if (adf_put_admin_msg_sync(accel_dev, ae, req, resp) || |
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resp->status) |
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return -EFAULT; |
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return 0; |
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} |
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static int adf_init_ae(struct adf_accel_dev *accel_dev) |
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{ |
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struct icp_qat_fw_init_admin_req req; |
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struct icp_qat_fw_init_admin_resp resp; |
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struct adf_hw_device_data *hw_device = accel_dev->hw_device; |
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u32 ae_mask = hw_device->ae_mask; |
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memset(&req, 0, sizeof(req)); |
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memset(&resp, 0, sizeof(resp)); |
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req.cmd_id = ICP_QAT_FW_INIT_AE; |
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return adf_send_admin(accel_dev, &req, &resp, ae_mask); |
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} |
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static int adf_set_fw_constants(struct adf_accel_dev *accel_dev) |
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{ |
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struct icp_qat_fw_init_admin_req req; |
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struct icp_qat_fw_init_admin_resp resp; |
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struct adf_hw_device_data *hw_device = accel_dev->hw_device; |
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u32 ae_mask = hw_device->admin_ae_mask ?: hw_device->ae_mask; |
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memset(&req, 0, sizeof(req)); |
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memset(&resp, 0, sizeof(resp)); |
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req.cmd_id = ICP_QAT_FW_CONSTANTS_CFG; |
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req.init_cfg_sz = ADF_CONST_TABLE_SIZE; |
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req.init_cfg_ptr = accel_dev->admin->const_tbl_addr; |
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return adf_send_admin(accel_dev, &req, &resp, ae_mask); |
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} |
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/** |
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* adf_send_admin_init() - Function sends init message to FW |
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* @accel_dev: Pointer to acceleration device. |
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* |
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* Function sends admin init message to the FW |
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* |
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* Return: 0 on success, error code otherwise. |
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*/ |
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int adf_send_admin_init(struct adf_accel_dev *accel_dev) |
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{ |
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int ret; |
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ret = adf_set_fw_constants(accel_dev); |
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if (ret) |
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return ret; |
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return adf_init_ae(accel_dev); |
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} |
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EXPORT_SYMBOL_GPL(adf_send_admin_init); |
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int adf_init_admin_comms(struct adf_accel_dev *accel_dev) |
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{ |
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struct adf_admin_comms *admin; |
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struct adf_hw_device_data *hw_data = accel_dev->hw_device; |
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struct adf_bar *pmisc = |
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&GET_BARS(accel_dev)[hw_data->get_misc_bar_id(hw_data)]; |
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void __iomem *csr = pmisc->virt_addr; |
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struct admin_info admin_csrs_info; |
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u32 mailbox_offset, adminmsg_u, adminmsg_l; |
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void __iomem *mailbox; |
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u64 reg_val; |
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admin = kzalloc_node(sizeof(*accel_dev->admin), GFP_KERNEL, |
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dev_to_node(&GET_DEV(accel_dev))); |
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if (!admin) |
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return -ENOMEM; |
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admin->virt_addr = dma_alloc_coherent(&GET_DEV(accel_dev), PAGE_SIZE, |
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&admin->phy_addr, GFP_KERNEL); |
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if (!admin->virt_addr) { |
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dev_err(&GET_DEV(accel_dev), "Failed to allocate dma buff\n"); |
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kfree(admin); |
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return -ENOMEM; |
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} |
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admin->virt_tbl_addr = dma_alloc_coherent(&GET_DEV(accel_dev), |
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PAGE_SIZE, |
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&admin->const_tbl_addr, |
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GFP_KERNEL); |
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if (!admin->virt_tbl_addr) { |
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dev_err(&GET_DEV(accel_dev), "Failed to allocate const_tbl\n"); |
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dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE, |
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admin->virt_addr, admin->phy_addr); |
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kfree(admin); |
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return -ENOMEM; |
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} |
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memcpy(admin->virt_tbl_addr, const_tab, sizeof(const_tab)); |
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hw_data->get_admin_info(&admin_csrs_info); |
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mailbox_offset = admin_csrs_info.mailbox_offset; |
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mailbox = csr + mailbox_offset; |
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adminmsg_u = admin_csrs_info.admin_msg_ur; |
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adminmsg_l = admin_csrs_info.admin_msg_lr; |
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reg_val = (u64)admin->phy_addr; |
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ADF_CSR_WR(csr, adminmsg_u, upper_32_bits(reg_val)); |
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ADF_CSR_WR(csr, adminmsg_l, lower_32_bits(reg_val)); |
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mutex_init(&admin->lock); |
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admin->mailbox_addr = mailbox; |
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accel_dev->admin = admin; |
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return 0; |
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} |
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EXPORT_SYMBOL_GPL(adf_init_admin_comms); |
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void adf_exit_admin_comms(struct adf_accel_dev *accel_dev) |
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{ |
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struct adf_admin_comms *admin = accel_dev->admin; |
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if (!admin) |
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return; |
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if (admin->virt_addr) |
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dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE, |
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admin->virt_addr, admin->phy_addr); |
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if (admin->virt_tbl_addr) |
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dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE, |
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admin->virt_tbl_addr, admin->const_tbl_addr); |
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mutex_destroy(&admin->lock); |
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kfree(admin); |
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accel_dev->admin = NULL; |
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} |
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EXPORT_SYMBOL_GPL(adf_exit_admin_comms);
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