The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/qlnx/qlnxe/spad_layout.h

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    1 /*
    2  * Copyright (c) 2017-2018 Cavium, Inc.
    3  * All rights reserved.
    4  *
    5  *  Redistribution and use in source and binary forms, with or without
    6  *  modification, are permitted provided that the following conditions
    7  *  are met:
    8  *
    9  *  1. Redistributions of source code must retain the above copyright
   10  *     notice, this list of conditions and the following disclaimer.
   11  *  2. Redistributions in binary form must reproduce the above copyright
   12  *     notice, this list of conditions and the following disclaimer in the
   13  *     documentation and/or other materials provided with the distribution.
   14  *
   15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   25  *  POSSIBILITY OF SUCH DAMAGE.
   26  *
   27  * $FreeBSD$
   28  *
   29  */
   30 
   31 /****************************************************************************
   32  * Name:        spad_layout.h
   33  *
   34  * Description: Global definitions
   35  *
   36  * Created:     01/09/2013
   37  *
   38  ****************************************************************************/
   39 /*
   40  *          Spad Layout                                NVM CFG                         MCP public
   41  *==========================================================================================================
   42  *     MCP_REG_SCRATCH                         REG_RD(MISC_REG_GEN_PURP_CR0)       REG_RD(MISC_REG_SHARED_MEM_ADDR)
   43  *    +------------------+                      +-------------------------+        +-------------------+
   44  *    |  Num Sections(4B)|Currently 4           |   Num Sections(4B)      |        |   Num Sections(4B)|Currently 6
   45  *    +------------------+                      +-------------------------+        +-------------------+
   46  *    | Offsize(Trace)   |4B -+             +-- | Offset(NVM_CFG1)        |        | Offsize(drv_mb)   |
   47  *  +-| Offsize(NVM_CFG) |4B  |             |   | (Size is fixed)         |        | Offsize(mfw_mb)   |
   48  *+-|-| Offsize(Public)  |4B  |             +-> +-------------------------+        | Offsize(global)   |
   49  *| | | Offsize(Private) |4B  |                 |                         |        | Offsize(path)     |
   50  *| | +------------------+ <--+                 | nvm_cfg1_glob           |        | Offsize(port)     |
   51  *| | |                  |                      +-------------------------+        | Offsize(func)     |
   52  *| | |      Trace       |                      | nvm_cfg1_path 0         |        +-------------------+
   53  *| +>+------------------+                      | nvm_cfg1_path 1         |        | drv_mb   PF0/2/4..|8 Funcs of engine0
   54  *|   |                  |                      +-------------------------+        | drv_mb   PF1/3/5..|8 Funcs of engine1
   55  *|   |     NVM_CFG      |                      | nvm_cfg1_port 0         |        +-------------------+
   56  *+-> +------------------+                      |            ....         |        | mfw_mb   PF0/2/4..|8 Funcs of engine0
   57  *    |                  |                      | nvm_cfg1_port 3         |        | mfw_mb   PF1/3/5..|8 Funcs of engine1
   58  *    |   Public Data    |                      +-------------------------+        +-------------------+
   59  *    +------------------+   8 Funcs of Engine 0| nvm_cfg1_func PF0/2/4/..|        |                   |
   60  *    |                  |   8 Funcs of Engine 1| nvm_cfg1_func PF1/3/5/..|        | public_global     |
   61  *    |   Private Data   |                      +-------------------------+        +-------------------+
   62  *    +------------------+                                                         | public_path 0     |
   63  *    |       Code       |                                                         | public_path 1     |
   64  *    |   Static Area    |                                                         +-------------------+
   65  *    +---            ---+                                                         | public_port 0     |
   66  *    |       Code       |                                                         |        ....       |
   67  *    |      PIM Area    |                                                         | public_port 3     |
   68  *    +------------------+                                                         +-------------------+
   69  *                                                                                 | public_func 0/2/4.|8 Funcs of engine0
   70  *                                                                                 | public_func 1/3/5.|8 Funcs of engine1
   71  *                                                                                 +-------------------+
   72 */
   73 #ifndef SPAD_LAYOUT_H
   74 #define SPAD_LAYOUT_H
   75 
   76 #ifndef MDUMP_PARSE_TOOL
   77 
   78 #define PORT_0          0
   79 #define PORT_1          1
   80 #define PORT_2          2
   81 #define PORT_3          3
   82 
   83 #include "mcp_public.h"
   84 #include "mfw_hsi.h"
   85 #include "nvm_cfg.h"
   86 
   87 #ifdef MFW
   88 #include "mcp_private.h"
   89 #endif
   90 
   91 extern struct spad_layout g_spad;
   92 
   93 /* TBD - Consider renaming to MCP_STATIC_SPAD_SIZE, since the real size includes another 64kb */
   94 #define MCP_SPAD_SIZE                       0x00028000  /* 160 KB */
   95 
   96 #define SPAD_OFFSET(addr) (((u32)addr - (u32)CPU_SPAD_BASE))
   97 #endif /* MDUMP_PARSE_TOOL */
   98 
   99 #define TO_OFFSIZE(_offset, _size) \
  100     (u32)((((u32)(_offset) >> 2) << OFFSIZE_OFFSET_OFFSET) | \
  101           (((u32)(_size) >> 2) << OFFSIZE_SIZE_OFFSET))
  102 
  103 enum spad_sections {
  104         SPAD_SECTION_TRACE,
  105         SPAD_SECTION_NVM_CFG,
  106         SPAD_SECTION_PUBLIC,
  107         SPAD_SECTION_PRIVATE,
  108         SPAD_SECTION_MAX /* Cannot be modified anymore since ROM relying on this size !! */
  109 };
  110 
  111 #ifndef MDUMP_PARSE_TOOL
  112 struct spad_layout {
  113         struct nvm_cfg nvm_cfg;
  114         struct mcp_public_data public_data;
  115 #ifdef MFW                      /* Drivers will not be compiled with this flag. */
  116         /* Linux should remove this appearance at all. */
  117         struct mcp_private_data private_data;
  118 #endif
  119 };
  120 
  121 #endif /* MDUMP_PARSE_TOOL */
  122 
  123 #define STRUCT_OFFSET(f)    (STATIC_INIT_BASE + __builtin_offsetof(struct static_init, f))
  124 
  125 /* This section is located at a fixed location in the beginning of the scratchpad,
  126  * to ensure that the MCP trace is not run over during MFW upgrade.
  127  * All the rest of data has a floating location which differs from version to version,
  128  * and is pointed by the mcp_meta_data below.
  129  * Moreover, the spad_layout section is part of the MFW firmware, and is loaded with it
  130  * from nvram in order to clear this portion.
  131  */
  132 
  133 struct static_init {
  134         u32 num_sections;                                               /* 0xe20000 */
  135         offsize_t sections[SPAD_SECTION_MAX];                           /* 0xe20004 */
  136 #define SECTION(_sec_) *((offsize_t*)(STRUCT_OFFSET(sections[_sec_])))
  137 
  138 #ifdef SECURE_BOOT
  139         u32 tim_sha256[8];      /* Used by E5 ROM. Do not relocate */
  140         u32 rom_status_code;    /* Used by E5 ROM. Do not relocate */
  141         u32 secure_running_mfw; /* Instead of the one after the trace_buffer */ /* Used by E5 ROM. Do not relocate */
  142 #define SECURE_RUNNING_MFW *((u32*)(STRUCT_OFFSET(secure_running_mfw)))
  143 #endif
  144 
  145         struct mcp_trace trace;                                         /* 0xe20014 */
  146 
  147 #ifdef MFW
  148 #define MCP_TRACE_P ((struct mcp_trace*)(STRUCT_OFFSET(trace)))
  149         u8 trace_buffer[MCP_TRACE_SIZE];                                /* 0xe20030 */
  150 #define MCP_TRACE_BUF ((u8*)(STRUCT_OFFSET(trace_buffer)))
  151         /* running_mfw has the same definition as in nvm_map.h.
  152          * This bit indicate both the running dir, and the running bundle.
  153          * It is set once when the LIM is loaded.
  154          */
  155         u32 running_mfw;                                                /* 0xe20830 */
  156 #define RUNNING_MFW *((u32*)(STRUCT_OFFSET(running_mfw)))
  157         u32 build_time;                                                 /* 0xe20834 */
  158 #define MFW_BUILD_TIME *((u32*)(STRUCT_OFFSET(build_time)))
  159         u32 reset_type;                                                 /* 0xe20838 */
  160 #define RESET_TYPE *((u32*)(STRUCT_OFFSET(reset_type)))
  161         u32 mfw_secure_mode;                                            /* 0xe2083c */
  162 #define MFW_SECURE_MODE *((u32*)(STRUCT_OFFSET(mfw_secure_mode)))
  163         u16 pme_status_pf_bitmap;                                       /* 0xe20840 */
  164 #define PME_STATUS_PF_BITMAP *((u16*)(STRUCT_OFFSET(pme_status_pf_bitmap)))
  165         u16 pme_enable_pf_bitmap;                                       
  166 #define PME_ENABLE_PF_BITMAP *((u16*)(STRUCT_OFFSET(pme_enable_pf_bitmap)))
  167         u32 mim_nvm_addr;                                               /* 0xe20844 */
  168         u32 mim_start_addr;                                             /* 0xe20848 */
  169         u32 ah_pcie_link_params; /* 0xe20850 Stores PCIe link configuration at start, so they can be used later also for Hot-Reset, without the need to re-reading them from nvm cfg. */
  170 #define AH_PCIE_LINK_PARAMS_LINK_SPEED_MASK     (0x000000ff)
  171 #define AH_PCIE_LINK_PARAMS_LINK_SPEED_OFFSET   (0)
  172 #define AH_PCIE_LINK_PARAMS_LINK_WIDTH_MASK     (0x0000ff00)
  173 #define AH_PCIE_LINK_PARAMS_LINK_WIDTH_OFFSET   (8)
  174 #define AH_PCIE_LINK_PARAMS_ASPM_MODE_MASK      (0x00ff0000)
  175 #define AH_PCIE_LINK_PARAMS_ASPM_MODE_OFFSET    (16)
  176 #define AH_PCIE_LINK_PARAMS_ASPM_CAP_MASK       (0xff000000)
  177 #define AH_PCIE_LINK_PARAMS_ASPM_CAP_OFFSET     (24)
  178 #define AH_PCIE_LINK_PARAMS *((u32*)(STRUCT_OFFSET(ah_pcie_link_params)))
  179 
  180         u32 flags;                                                      /* 0xe20850 */
  181 #define M_GLOB_FLAGS            *((u32*)(STRUCT_OFFSET(flags)))
  182 #define FLAGS_VAUX_REQUIRED             (1 << 0)
  183 #define FLAGS_WAIT_AVS_READY            (1 << 1)
  184 #define FLAGS_FAILURE_ISSUED            (1 << 2)
  185 #define FLAGS_FAILURE_DETECTED          (1 << 3)
  186 #define FLAGS_VAUX                      (1 << 4)
  187 #define FLAGS_PERST_ASSERT_OCCURED      (1 << 5)
  188 #define FLAGS_HOT_RESET_STEP2           (1 << 6)
  189 #define FLAGS_MSIX_SYNC_ALLOWED         (1 << 7)
  190 #define FLAGS_PROGRAM_PCI_COMPLETED     (1 << 8)
  191 #define FLAGS_SMBUS_AUX_MODE            (1 << 9)
  192 #define FLAGS_PEND_SMBUS_VMAIN_TO_AUX   (1 << 10)
  193 #define FLAGS_NVM_CFG_EFUSE_FAILURE     (1 << 11)
  194 #define FLAGS_POWER_TRANSITION          (1 << 12)
  195 #define FLAGS_MCTP_CHECK_PUMA_TIMEOUT   (1 << 13)
  196 #define FLAGS_MCTP_TX_PLDM_UPDATE       (1 << 14)
  197 #define FLAGS_MCTP_SENSOR_EVENT     (1 << 15)
  198 #define FLAGS_PMBUS_ERROR           (1 << 28)
  199 #define FLAGS_OS_DRV_LOADED             (1 << 29)
  200 #define FLAGS_OVER_TEMP_OCCUR           (1 << 30)
  201 #define FLAGS_FAN_FAIL_OCCUR            (1 << 31)
  202         u32 rsrv_persist[4]; /* Persist reserved for MFW upgrades */    /* 0xe20854 */
  203 #endif /* MFW */
  204 };
  205 
  206 #ifndef MDUMP_PARSE_TOOL
  207 #define NVM_CFG1(x)             g_spad.nvm_cfg.cfg1.x
  208 #define NVM_GLOB(x)             NVM_CFG1(glob).x
  209 #define NVM_GLOB_VAL(n, m, o)   ((NVM_GLOB(n) & m) >> o)
  210 #endif /* MDUMP_PARSE_TOOL */
  211 
  212 #endif                          /* SPAD_LAYOUT_H */

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