]> git.karo-electronics.de Git - linux-beck.git/commitdiff
MIPS: Octeon: Turn hardware bitfields and structures inside out.
authorPaul Martin <paul.martin@codethink.co.uk>
Mon, 30 Mar 2015 16:00:56 +0000 (17:00 +0100)
committerRalf Baechle <ralf@linux-mips.org>
Wed, 1 Apr 2015 15:22:14 +0000 (17:22 +0200)
Although the proper way to do this for bitfields would be to use
the macro that Ralf has provided, this is a little easier to
understand as a diff.

Signed-off-by: Paul Martin <paul.martin@codethink.co.uk>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9628/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/cavium-octeon/executive/cvmx-l2c.c
arch/mips/include/asm/octeon/cvmx-address.h
arch/mips/include/asm/octeon/cvmx-bootmem.h
arch/mips/include/asm/octeon/cvmx-fpa.h
arch/mips/include/asm/octeon/cvmx-l2c.h
arch/mips/include/asm/octeon/cvmx-packet.h
arch/mips/include/asm/octeon/cvmx-pko.h
arch/mips/include/asm/octeon/cvmx-pow.h
arch/mips/include/asm/octeon/cvmx-wqe.h

index 42e38c30b540a361eaad725e668a46daa2636748..89b5273299aba7ab4b97d1cc3ec86dba3f8ee217 100644 (file)
@@ -519,44 +519,89 @@ int cvmx_l2c_unlock_mem_region(uint64_t start, uint64_t len)
 union __cvmx_l2c_tag {
        uint64_t u64;
        struct cvmx_l2c_tag_cn50xx {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved:40;
                uint64_t V:1;           /* Line valid */
                uint64_t D:1;           /* Line dirty */
                uint64_t L:1;           /* Line locked */
                uint64_t U:1;           /* Use, LRU eviction */
                uint64_t addr:20;       /* Phys mem addr (33..14) */
+#else
+               uint64_t addr:20;       /* Phys mem addr (33..14) */
+               uint64_t U:1;           /* Use, LRU eviction */
+               uint64_t L:1;           /* Line locked */
+               uint64_t D:1;           /* Line dirty */
+               uint64_t V:1;           /* Line valid */
+               uint64_t reserved:40;
+#endif
        } cn50xx;
        struct cvmx_l2c_tag_cn30xx {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved:41;
                uint64_t V:1;           /* Line valid */
                uint64_t D:1;           /* Line dirty */
                uint64_t L:1;           /* Line locked */
                uint64_t U:1;           /* Use, LRU eviction */
                uint64_t addr:19;       /* Phys mem addr (33..15) */
+#else
+               uint64_t addr:19;       /* Phys mem addr (33..15) */
+               uint64_t U:1;           /* Use, LRU eviction */
+               uint64_t L:1;           /* Line locked */
+               uint64_t D:1;           /* Line dirty */
+               uint64_t V:1;           /* Line valid */
+               uint64_t reserved:41;
+#endif
        } cn30xx;
        struct cvmx_l2c_tag_cn31xx {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved:42;
                uint64_t V:1;           /* Line valid */
                uint64_t D:1;           /* Line dirty */
                uint64_t L:1;           /* Line locked */
                uint64_t U:1;           /* Use, LRU eviction */
                uint64_t addr:18;       /* Phys mem addr (33..16) */
+#else
+               uint64_t addr:18;       /* Phys mem addr (33..16) */
+               uint64_t U:1;           /* Use, LRU eviction */
+               uint64_t L:1;           /* Line locked */
+               uint64_t D:1;           /* Line dirty */
+               uint64_t V:1;           /* Line valid */
+               uint64_t reserved:42;
+#endif
        } cn31xx;
        struct cvmx_l2c_tag_cn38xx {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved:43;
                uint64_t V:1;           /* Line valid */
                uint64_t D:1;           /* Line dirty */
                uint64_t L:1;           /* Line locked */
                uint64_t U:1;           /* Use, LRU eviction */
                uint64_t addr:17;       /* Phys mem addr (33..17) */
+#else
+               uint64_t addr:17;       /* Phys mem addr (33..17) */
+               uint64_t U:1;           /* Use, LRU eviction */
+               uint64_t L:1;           /* Line locked */
+               uint64_t D:1;           /* Line dirty */
+               uint64_t V:1;           /* Line valid */
+               uint64_t reserved:43;
+#endif
        } cn38xx;
        struct cvmx_l2c_tag_cn58xx {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved:44;
                uint64_t V:1;           /* Line valid */
                uint64_t D:1;           /* Line dirty */
                uint64_t L:1;           /* Line locked */
                uint64_t U:1;           /* Use, LRU eviction */
                uint64_t addr:16;       /* Phys mem addr (33..18) */
+#else
+               uint64_t addr:16;       /* Phys mem addr (33..18) */
+               uint64_t U:1;           /* Use, LRU eviction */
+               uint64_t L:1;           /* Line locked */
+               uint64_t D:1;           /* Line dirty */
+               uint64_t V:1;           /* Line valid */
+               uint64_t reserved:44;
+#endif
        } cn58xx;
        struct cvmx_l2c_tag_cn58xx cn56xx;      /* 2048 sets */
        struct cvmx_l2c_tag_cn31xx cn52xx;      /* 512 sets */
index e2d874e681f6d9bed7d5fecdb8fdee3241710180..e4444f8c4a618f449033750f9f74acc375878b23 100644 (file)
@@ -104,6 +104,7 @@ typedef enum {
 typedef union {
 
        uint64_t u64;
+#ifdef __BIG_ENDIAN_BITFIELD
        /* mapped or unmapped virtual address */
        struct {
                uint64_t R:2;
@@ -202,6 +203,72 @@ typedef union {
                uint64_t didspace:24;
                uint64_t unused:40;
        } sfilldidspace;
+#else
+       struct {
+               uint64_t offset:62;
+               uint64_t R:2;
+       } sva;
+
+       struct {
+               uint64_t offset:31;
+               uint64_t zeroes:33;
+       } suseg;
+
+       struct {
+               uint64_t offset:29;
+               uint64_t sp:2;
+               uint64_t ones:33;
+       } sxkseg;
+
+       struct {
+               uint64_t pa:49;
+               uint64_t mbz:10;
+               uint64_t cca:3;
+               uint64_t R:2;
+       } sxkphys;
+
+       struct {
+               uint64_t offset:36;
+               uint64_t unaddr:4;
+               uint64_t did:8;
+               uint64_t is_io:1;
+               uint64_t mbz:15;
+       } sphys;
+
+       struct {
+               uint64_t offset:36;
+               uint64_t unaddr:4;
+               uint64_t zeroes:24;
+       } smem;
+
+       struct {
+               uint64_t offset:36;
+               uint64_t unaddr:4;
+               uint64_t did:8;
+               uint64_t is_io:1;
+               uint64_t mbz:13;
+               uint64_t mem_region:2;
+       } sio;
+
+       struct {
+               uint64_t addr:13;
+               cvmx_add_win_dec_t csrdec:2;
+               uint64_t ones:49;
+       } sscr;
+
+       struct {
+               uint64_t addr:7;
+               uint64_t type:3;
+               uint64_t unused2:3;
+               uint64_t csrdec:2;
+               uint64_t ones:49;
+       } sdma;
+
+       struct {
+               uint64_t unused:40;
+               uint64_t didspace:24;
+       } sfilldidspace;
+#endif
 
 } cvmx_addr_t;
 
index 352f1dc2508bcd7cbea9866ec6528f57fb2cda9e..374562507d0befef0394316d353340190be9a826 100644 (file)
@@ -95,6 +95,7 @@ struct cvmx_bootmem_named_block_desc {
  * positions for backwards compatibility.
  */
 struct cvmx_bootmem_desc {
+#if defined(__BIG_ENDIAN_BITFIELD) || defined(CVMX_BUILD_FOR_LINUX_HOST)
        /* spinlock to control access to list */
        uint32_t lock;
        /* flags for indicating various conditions */
@@ -120,7 +121,20 @@ struct cvmx_bootmem_desc {
        uint32_t named_block_name_len;
        /* address of named memory block descriptors */
        uint64_t named_block_array_addr;
+#else                           /* __LITTLE_ENDIAN */
+       uint32_t flags;
+       uint32_t lock;
+       uint64_t head_addr;
 
+       uint32_t minor_version;
+       uint32_t major_version;
+       uint64_t app_data_addr;
+       uint64_t app_data_size;
+
+       uint32_t named_block_name_len;
+       uint32_t named_block_num_blocks;
+       uint64_t named_block_array_addr;
+#endif
 };
 
 /**
index aa26a2ce5a0e44cb2daf3b808e736125f659edd1..c00501d0f7ae078168b936691e466d9a8968f5d2 100644 (file)
@@ -49,6 +49,7 @@
 typedef union {
        uint64_t u64;
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /*
                 * the (64-bit word) location in scratchpad to write
                 * to (if len != 0)
@@ -63,6 +64,12 @@ typedef union {
                 * the NCB bus.
                 */
                uint64_t addr:40;
+#else
+               uint64_t addr:40;
+               uint64_t did:8;
+               uint64_t len:8;
+               uint64_t scraddr:8;
+#endif
        } s;
 } cvmx_fpa_iobdma_data_t;
 
index 11c0a8fa8eb517905cdfb4769205e3330a7626f1..ddb429210a0e0fb94e008b804129da44e3f61031 100644 (file)
 union cvmx_l2c_tag {
        uint64_t u64;
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved:28;
                uint64_t V:1;           /* Line valid */
                uint64_t D:1;           /* Line dirty */
                uint64_t L:1;           /* Line locked */
                uint64_t U:1;           /* Use, LRU eviction */
                uint64_t addr:32;       /* Phys mem (not all bits valid) */
+#else
+               uint64_t addr:32;       /* Phys mem (not all bits valid) */
+               uint64_t U:1;           /* Use, LRU eviction */
+               uint64_t L:1;           /* Line locked */
+               uint64_t D:1;           /* Line dirty */
+               uint64_t V:1;           /* Line valid */
+               uint64_t reserved:28;
+#endif
        } s;
 };
 
index 38aefa1bab9d5909ea8a925193020f8aad2b40f5..895e93d682c22de31d3fa7d8725b7ee7e0fb0231 100644 (file)
@@ -39,6 +39,7 @@ union cvmx_buf_ptr {
        void *ptr;
        uint64_t u64;
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /* if set, invert the "free" pick of the overall
                 * packet. HW always sets this bit to 0 on inbound
                 * packet */
@@ -55,6 +56,13 @@ union cvmx_buf_ptr {
                uint64_t size:16;
                /* Pointer to the first byte of the data, NOT buffer */
                uint64_t addr:40;
+#else
+               uint64_t addr:40;
+               uint64_t size:16;
+               uint64_t pool:3;
+               uint64_t back:4;
+               uint64_t i:1;
+#endif
        } s;
 };
 
index f7d2a671884980894cbf8a22149c33ed0c08091f..3da59bb8ce24fbb4c14b15f539d074805ddfde75 100644 (file)
@@ -127,6 +127,7 @@ typedef struct {
 typedef union {
        uint64_t u64;
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /* Must CVMX_IO_SEG */
                uint64_t mem_space:2;
                /* Must be zero */
@@ -151,6 +152,17 @@ typedef union {
                uint64_t queue:9;
                /* Must be zero */
                uint64_t reserved4:3;
+#else
+               uint64_t reserved4:3;
+               uint64_t queue:9;
+               uint64_t port:9;
+               uint64_t reserved3:15;
+               uint64_t reserved2:4;
+               uint64_t did:8;
+               uint64_t is_io:1;
+               uint64_t reserved:13;
+               uint64_t mem_space:2;
+#endif
        } s;
 } cvmx_pko_doorbell_address_t;
 
@@ -160,6 +172,7 @@ typedef union {
 typedef union {
        uint64_t u64;
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /*
                 * The size of the reg1 operation - could be 8, 16,
                 * 32, or 64 bits.
@@ -229,6 +242,24 @@ typedef union {
                uint64_t segs:6;
                /* Including L2, but no trailing CRC */
                uint64_t total_bytes:16;
+#else
+               uint64_t total_bytes:16;
+               uint64_t segs:6;
+               uint64_t dontfree:1;
+               uint64_t ignore_i:1;
+               uint64_t ipoffp1:7;
+               uint64_t gather:1;
+               uint64_t rsp:1;
+               uint64_t wqp:1;
+               uint64_t n2:1;
+               uint64_t le:1;
+               uint64_t reg0:11;
+               uint64_t subone0:1;
+               uint64_t reg1:11;
+               uint64_t subone1:1;
+               uint64_t size0:2;
+               uint64_t size1:2;
+#endif
        } s;
 } cvmx_pko_command_word0_t;
 
index 2188e65afb86fa18a83a36ef91199904352efa9f..d5565d758dddd4836b1933f65ce76705b2a7702b 100644 (file)
@@ -178,6 +178,7 @@ typedef enum {
 typedef union {
        uint64_t u64;
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /*
                 * Don't reschedule this entry. no_sched is used for
                 * CVMX_POW_TAG_OP_SWTAG_DESCH and
@@ -217,6 +218,17 @@ typedef union {
                 * CVMX_POW_TAG_OP_*_NSCHED
                 */
                uint64_t tag:32;
+#else
+               uint64_t tag:32;
+               uint64_t type:3;
+               uint64_t grp:4;
+               uint64_t qos:3;
+               uint64_t unused2:2;
+               cvmx_pow_tag_op_t op:4;
+               uint64_t index:13;
+               uint64_t unused:2;
+               uint64_t no_sched:1;
+#endif
        } s;
 } cvmx_pow_tag_req_t;
 
@@ -230,6 +242,7 @@ typedef union {
      * Address for new work request loads (did<2:0> == 0)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /* Mips64 address region. Should be CVMX_IO_SEG */
                uint64_t mem_region:2;
                /* Must be zero */
@@ -247,12 +260,22 @@ typedef union {
                uint64_t wait:1;
                /* Must be zero */
                uint64_t reserved_0_2:3;
+#else
+               uint64_t reserved_0_2:3;
+               uint64_t wait:1;
+               uint64_t reserved_4_39:36;
+               uint64_t did:8;
+               uint64_t is_io:1;
+               uint64_t reserved_49_61:13;
+               uint64_t mem_region:2;
+#endif
        } swork;
 
     /**
      * Address for loads to get POW internal status
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /* Mips64 address region. Should be CVMX_IO_SEG */
                uint64_t mem_region:2;
                /* Must be zero */
@@ -282,12 +305,25 @@ typedef union {
                uint64_t get_wqp:1;
                /* Must be zero */
                uint64_t reserved_0_2:3;
+#else
+               uint64_t reserved_0_2:3;
+               uint64_t get_wqp:1;
+               uint64_t get_cur:1;
+               uint64_t get_rev:1;
+               uint64_t coreid:4;
+               uint64_t reserved_10_39:30;
+               uint64_t did:8;
+               uint64_t is_io:1;
+               uint64_t reserved_49_61:13;
+               uint64_t mem_region:2;
+#endif
        } sstatus;
 
     /**
      * Address for memory loads to get POW internal state
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /* Mips64 address region. Should be CVMX_IO_SEG */
                uint64_t mem_region:2;
                /* Must be zero */
@@ -314,12 +350,24 @@ typedef union {
                uint64_t get_wqp:1;
                /* Must be zero */
                uint64_t reserved_0_2:3;
+#else
+               uint64_t reserved_0_2:3;
+               uint64_t get_wqp:1;
+               uint64_t get_des:1;
+               uint64_t index:11;
+               uint64_t reserved_16_39:24;
+               uint64_t did:8;
+               uint64_t is_io:1;
+               uint64_t reserved_49_61:13;
+               uint64_t mem_region:2;
+#endif
        } smemload;
 
     /**
      * Address for index/pointer loads
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /* Mips64 address region. Should be CVMX_IO_SEG */
                uint64_t mem_region:2;
                /* Must be zero */
@@ -366,6 +414,17 @@ typedef union {
                uint64_t get_rmt:1;
                /* Must be zero */
                uint64_t reserved_0_2:3;
+#else
+               uint64_t reserved_0_2:3;
+               uint64_t get_rmt:1;
+               uint64_t get_des_get_tail:1;
+               uint64_t qosgrp:4;
+               uint64_t reserved_9_39:31;
+               uint64_t did:8;
+               uint64_t is_io:1;
+               uint64_t reserved_49_61:13;
+               uint64_t mem_region:2;
+#endif
        } sindexload;
 
     /**
@@ -377,6 +436,7 @@ typedef union {
      * available.)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /* Mips64 address region. Should be CVMX_IO_SEG */
                uint64_t mem_region:2;
                /* Must be zero */
@@ -387,6 +447,13 @@ typedef union {
                uint64_t did:8;
                /* Must be zero */
                uint64_t reserved_0_39:40;
+#else
+               uint64_t reserved_0_39:40;
+               uint64_t did:8;
+               uint64_t is_io:1;
+               uint64_t reserved_49_61:13;
+               uint64_t mem_region:2;
+#endif
        } snull_rd;
 } cvmx_pow_load_addr_t;
 
@@ -401,6 +468,7 @@ typedef union {
      * Response to new work request loads
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /*
                 * Set when no new work queue entry was returned.  *
                 * If there was de-scheduled work, the HW will
@@ -419,12 +487,18 @@ typedef union {
                uint64_t reserved_40_62:23;
                /* 36 in O1 -- the work queue pointer */
                uint64_t addr:40;
+#else
+               uint64_t addr:40;
+               uint64_t reserved_40_62:23;
+               uint64_t no_work:1;
+#endif
        } s_work;
 
     /**
      * Result for a POW Status Load (when get_cur==0 and get_wqp==0)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved_62_63:2;
                /* Set when there is a pending non-NULL SWTAG or
                 * SWTAG_FULL, and the POW entry has not left the list
@@ -476,12 +550,32 @@ typedef union {
                 *    AND pend_desched_switch) are set.
                 */
                uint64_t pend_tag:32;
+#else
+               uint64_t pend_tag:32;
+               uint64_t pend_type:2;
+               uint64_t reserved_34_35:2;
+               uint64_t pend_grp:4;
+               uint64_t pend_index:11;
+               uint64_t reserved_51:1;
+               uint64_t pend_nosched_clr:1;
+               uint64_t pend_null_rd:1;
+               uint64_t pend_new_work_wait:1;
+               uint64_t pend_new_work:1;
+               uint64_t pend_nosched:1;
+               uint64_t pend_desched_switch:1;
+               uint64_t pend_desched:1;
+               uint64_t pend_switch_null:1;
+               uint64_t pend_switch_full:1;
+               uint64_t pend_switch:1;
+               uint64_t reserved_62_63:2;
+#endif
        } s_sstatus0;
 
     /**
      * Result for a POW Status Load (when get_cur==0 and get_wqp==1)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved_62_63:2;
                /*
                 * Set when there is a pending non-NULL SWTAG or
@@ -529,6 +623,23 @@ typedef union {
                uint64_t pend_grp:4;
                /* This is the wqp when pend_nosched_clr is set. */
                uint64_t pend_wqp:36;
+#else
+               uint64_t pend_wqp:36;
+               uint64_t pend_grp:4;
+               uint64_t pend_index:11;
+               uint64_t reserved_51:1;
+               uint64_t pend_nosched_clr:1;
+               uint64_t pend_null_rd:1;
+               uint64_t pend_new_work_wait:1;
+               uint64_t pend_new_work:1;
+               uint64_t pend_nosched:1;
+               uint64_t pend_desched_switch:1;
+               uint64_t pend_desched:1;
+               uint64_t pend_switch_null:1;
+               uint64_t pend_switch_full:1;
+               uint64_t pend_switch:1;
+               uint64_t reserved_62_63:2;
+#endif
        } s_sstatus1;
 
     /**
@@ -536,6 +647,7 @@ typedef union {
      * get_rev==0)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved_62_63:2;
                /*
                 * Points to the next POW entry in the tag list when
@@ -573,12 +685,23 @@ typedef union {
                 * SWTAG_DESCHED).
                 */
                uint64_t tag:32;
+#else
+               uint64_t tag:32;
+               uint64_t tag_type:2;
+               uint64_t tail:1;
+               uint64_t head:1;
+               uint64_t grp:4;
+               uint64_t index:11;
+               uint64_t link_index:11;
+               uint64_t reserved_62_63:2;
+#endif
        } s_sstatus2;
 
     /**
      * Result for a POW Status Load (when get_cur==1, get_wqp==0, and get_rev==1)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved_62_63:2;
                /*
                 * Points to the prior POW entry in the tag list when
@@ -617,6 +740,16 @@ typedef union {
                 * SWTAG_DESCHED).
                 */
                uint64_t tag:32;
+#else
+               uint64_t tag:32;
+               uint64_t tag_type:2;
+               uint64_t tail:1;
+               uint64_t head:1;
+               uint64_t grp:4;
+               uint64_t index:11;
+               uint64_t revlink_index:11;
+               uint64_t reserved_62_63:2;
+#endif
        } s_sstatus3;
 
     /**
@@ -624,6 +757,7 @@ typedef union {
      * get_rev==0)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved_62_63:2;
                /*
                 * Points to the next POW entry in the tag list when
@@ -642,6 +776,13 @@ typedef union {
                 * list entered on SWTAG_FULL).
                 */
                uint64_t wqp:36;
+#else
+               uint64_t wqp:36;
+               uint64_t grp:4;
+               uint64_t index:11;
+               uint64_t link_index:11;
+               uint64_t reserved_62_63:2;
+#endif
        } s_sstatus4;
 
     /**
@@ -649,6 +790,7 @@ typedef union {
      * get_rev==1)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved_62_63:2;
                /*
                 * Points to the prior POW entry in the tag list when
@@ -669,12 +811,20 @@ typedef union {
                 * list entered on SWTAG_FULL).
                 */
                uint64_t wqp:36;
+#else
+               uint64_t wqp:36;
+               uint64_t grp:4;
+               uint64_t index:11;
+               uint64_t revlink_index:11;
+               uint64_t reserved_62_63:2;
+#endif
        } s_sstatus5;
 
     /**
      * Result For POW Memory Load (get_des == 0 and get_wqp == 0)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved_51_63:13;
                /*
                 * The next entry in the input, free, descheduled_head
@@ -695,12 +845,22 @@ typedef union {
                uint64_t tag_type:2;
                /* The tag of the POW entry. */
                uint64_t tag:32;
+#else
+               uint64_t tag:32;
+               uint64_t tag_type:2;
+               uint64_t tail:1;
+               uint64_t reserved_35:1;
+               uint64_t grp:4;
+               uint64_t next_index:11;
+               uint64_t reserved_51_63:13;
+#endif
        } s_smemload0;
 
     /**
      * Result For POW Memory Load (get_des == 0 and get_wqp == 1)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved_51_63:13;
                /*
                 * The next entry in the input, free, descheduled_head
@@ -712,12 +872,19 @@ typedef union {
                uint64_t grp:4;
                /* The WQP held in the POW entry. */
                uint64_t wqp:36;
+#else
+               uint64_t wqp:36;
+               uint64_t grp:4;
+               uint64_t next_index:11;
+               uint64_t reserved_51_63:13;
+#endif
        } s_smemload1;
 
     /**
      * Result For POW Memory Load (get_des == 1)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved_51_63:13;
                /*
                 * The next entry in the tag list connected to the
@@ -740,12 +907,22 @@ typedef union {
                 * is set.
                 */
                uint64_t pend_tag:32;
+#else
+               uint64_t pend_tag:32;
+               uint64_t pend_type:2;
+               uint64_t pend_switch:1;
+               uint64_t nosched:1;
+               uint64_t grp:4;
+               uint64_t fwd_index:11;
+               uint64_t reserved_51_63:13;
+#endif
        } s_smemload2;
 
     /**
      * Result For POW Index/Pointer Load (get_rmt == 0/get_des_get_tail == 0)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved_52_63:12;
                /*
                 * set when there is one or more POW entries on the
@@ -791,12 +968,28 @@ typedef union {
                 * the input Q list selected by qosgrp.
                 */
                uint64_t loc_tail:11;
+#else
+               uint64_t loc_tail:11;
+               uint64_t reserved_11:1;
+               uint64_t loc_head:11;
+               uint64_t reserved_23:1;
+               uint64_t loc_one:1;
+               uint64_t loc_val:1;
+               uint64_t free_tail:11;
+               uint64_t reserved_37:1;
+               uint64_t free_head:11;
+               uint64_t reserved_49:1;
+               uint64_t free_one:1;
+               uint64_t free_val:1;
+               uint64_t reserved_52_63:12;
+#endif
        } sindexload0;
 
     /**
      * Result For POW Index/Pointer Load (get_rmt == 0/get_des_get_tail == 1)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved_52_63:12;
                /*
                 * set when there is one or more POW entries on the
@@ -843,12 +1036,28 @@ typedef union {
                 * head on the descheduled list selected by qosgrp.
                 */
                uint64_t des_tail:11;
+#else
+               uint64_t des_tail:11;
+               uint64_t reserved_11:1;
+               uint64_t des_head:11;
+               uint64_t reserved_23:1;
+               uint64_t des_one:1;
+               uint64_t des_val:1;
+               uint64_t nosched_tail:11;
+               uint64_t reserved_37:1;
+               uint64_t nosched_head:11;
+               uint64_t reserved_49:1;
+               uint64_t nosched_one:1;
+               uint64_t nosched_val:1;
+               uint64_t reserved_52_63:12;
+#endif
        } sindexload1;
 
     /**
      * Result For POW Index/Pointer Load (get_rmt == 1/get_des_get_tail == 0)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved_39_63:25;
                /*
                 * Set when this DRAM list is the current head
@@ -877,6 +1086,13 @@ typedef union {
                 * qosgrp.
                 */
                uint64_t rmt_head:36;
+#else
+               uint64_t rmt_head:36;
+               uint64_t rmt_one:1;
+               uint64_t rmt_val:1;
+               uint64_t rmt_is_head:1;
+               uint64_t reserved_39_63:25;
+#endif
        } sindexload2;
 
     /**
@@ -884,6 +1100,7 @@ typedef union {
      * 1/get_des_get_tail == 1)
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t reserved_39_63:25;
                /*
                 * set when this DRAM list is the current head
@@ -912,12 +1129,20 @@ typedef union {
                 * qosgrp.
                 */
                uint64_t rmt_tail:36;
+#else
+               uint64_t rmt_tail:36;
+               uint64_t rmt_one:1;
+               uint64_t rmt_val:1;
+               uint64_t rmt_is_head:1;
+               uint64_t reserved_39_63:25;
+#endif
        } sindexload3;
 
     /**
      * Response to NULL_RD request loads
      */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t unused:62;
                /* of type cvmx_pow_tag_type_t. state is one of the
                 * following:
@@ -928,6 +1153,10 @@ typedef union {
                 * - CVMX_POW_TAG_TYPE_NULL_NULL
                 */
                uint64_t state:2;
+#else
+               uint64_t state:2;
+               uint64_t unused:62;
+#endif
        } s_null_rd;
 
 } cvmx_pow_tag_load_resp_t;
@@ -962,6 +1191,7 @@ typedef union {
        uint64_t u64;
 
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /* Memory region.  Should be CVMX_IO_SEG in most cases */
                uint64_t mem_reg:2;
                uint64_t reserved_49_61:13;     /* Must be zero */
@@ -971,6 +1201,14 @@ typedef union {
                uint64_t reserved_36_39:4;      /* Must be zero */
                /* Address field. addr<2:0> must be zero */
                uint64_t addr:36;
+#else
+               uint64_t addr:36;
+               uint64_t reserved_36_39:4;
+               uint64_t did:8;
+               uint64_t is_io:1;
+               uint64_t reserved_49_61:13;
+               uint64_t mem_reg:2;
+#endif
        } stag;
 } cvmx_pow_tag_store_addr_t;
 
@@ -981,6 +1219,7 @@ typedef union {
        uint64_t u64;
 
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /*
                 * the (64-bit word) location in scratchpad to write
                 * to (if len != 0)
@@ -994,6 +1233,14 @@ typedef union {
                /* if set, don't return load response until work is available */
                uint64_t wait:1;
                uint64_t unused2:3;
+#else
+               uint64_t unused2:3;
+               uint64_t wait:1;
+               uint64_t unused:36;
+               uint64_t did:8;
+               uint64_t len:8;
+               uint64_t scraddr:8;
+#endif
        } s;
 
 } cvmx_pow_iobdma_store_t;
index aa0d3d0de75c5785aef9c0a6267c2f8903e9dc4f..2d6d0c7127a755b5a0b94dac10198be2c87eaa57 100644 (file)
@@ -57,6 +57,7 @@ typedef union {
 
        /* Use this struct if the hardware determines that the packet is IP */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /* HW sets this to the number of buffers used by this packet */
                uint64_t bufs:8;
                /* HW sets to the number of L2 bytes prior to the IP */
@@ -166,13 +167,45 @@ typedef union {
                 * the slow path */
                /* type is cvmx_pip_err_t */
                uint64_t err_code:8;
+#else
+               uint64_t err_code:8;
+               uint64_t rcv_error:1;
+               uint64_t not_IP:1;
+               uint64_t is_mcast:1;
+               uint64_t is_bcast:1;
+               uint64_t IP_exc:1;
+               uint64_t is_frag:1;
+               uint64_t L4_error:1;
+               uint64_t software:1;
+               uint64_t is_v6:1;
+               uint64_t dec_ipsec:1;
+               uint64_t tcp_or_udp:1;
+               uint64_t dec_ipcomp:1;
+               uint64_t unassigned2:4;
+               uint64_t unassigned2a:4;
+               uint64_t pr:4;
+               uint64_t vlan_id:12;
+               uint64_t vlan_cfi:1;
+               uint64_t unassigned:1;
+               uint64_t vlan_stacked:1;
+               uint64_t vlan_valid:1;
+               uint64_t ip_offset:8;
+               uint64_t bufs:8;
+#endif
        } s;
 
        /* use this to get at the 16 vlan bits */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                uint64_t unused1:16;
                uint64_t vlan:16;
                uint64_t unused2:32;
+#else
+               uint64_t unused2:32;
+               uint64_t vlan:16;
+               uint64_t unused1:16;
+
+#endif
        } svlan;
 
        /*
@@ -180,6 +213,7 @@ typedef union {
         * the packet is ip.
         */
        struct {
+#ifdef __BIG_ENDIAN_BITFIELD
                /*
                 * HW sets this to the number of buffers used by this
                 * packet.
@@ -296,6 +330,27 @@ typedef union {
                 */
                /* type is cvmx_pip_err_t (union, so can't use directly */
                uint64_t err_code:8;
+#else
+               uint64_t err_code:8;
+               uint64_t rcv_error:1;
+               uint64_t not_IP:1;
+               uint64_t is_mcast:1;
+               uint64_t is_bcast:1;
+               uint64_t is_arp:1;
+               uint64_t is_rarp:1;
+               uint64_t unassigned3:1;
+               uint64_t software:1;
+               uint64_t unassigned2:4;
+               uint64_t unassigned2a:8;
+               uint64_t pr:4;
+               uint64_t vlan_id:12;
+               uint64_t vlan_cfi:1;
+               uint64_t unassigned:1;
+               uint64_t vlan_stacked:1;
+               uint64_t vlan_valid:1;
+               uint64_t unused:8;
+               uint64_t bufs:8;
+#endif
        } snoip;
 
 } cvmx_pip_wqe_word2;
@@ -312,6 +367,7 @@ typedef struct {
      * HW WRITE: the following 64 bits are filled by HW when a packet arrives
      */
 
+#ifdef __BIG_ENDIAN_BITFIELD
     /**
      * raw chksum result generated by the HW
      */
@@ -327,12 +383,18 @@ typedef struct {
      * (Only 36 bits used in Octeon 1)
      */
        uint64_t next_ptr:40;
+#else
+       uint64_t next_ptr:40;
+       uint8_t unused;
+       uint16_t hw_chksum;
+#endif
 
     /*****************************************************************
      * WORD 1
      * HW WRITE: the following 64 bits are filled by HW when a packet arrives
      */
 
+#ifdef __BIG_ENDIAN_BITFIELD
     /**
      * HW sets to the total number of bytes in the packet
      */
@@ -359,6 +421,15 @@ typedef struct {
      * the synchronization/ordering tag
      */
        uint64_t tag:32;
+#else
+       uint64_t tag:32;
+       uint64_t tag_type:2;
+       uint64_t zero_2:1;
+       uint64_t grp:4;
+       uint64_t qos:3;
+       uint64_t ipprt:6;
+       uint64_t len:16;
+#endif
 
     /**
      * WORD 2 HW WRITE: the following 64-bits are filled in by