| /* |
| * csr1212.h -- IEEE 1212 Control and Status Register support for Linux |
| * |
| * Copyright (C) 2003 Francois Retief <fgretief@sun.ac.za> |
| * Steve Kinneberg <kinnebergsteve@acmsystems.com> |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. 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. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. |
| */ |
| |
| #ifndef __CSR1212_H__ |
| #define __CSR1212_H__ |
| |
| |
| /* Compatibility layer */ |
| #ifdef __KERNEL__ |
| |
| #include <linux/types.h> |
| #include <linux/slab.h> |
| #include <linux/interrupt.h> |
| #include <linux/vmalloc.h> |
| #include <asm/pgalloc.h> |
| |
| #define CSR1212_MALLOC(size) vmalloc((size)) |
| #define CSR1212_FREE(ptr) vfree(ptr) |
| #define CSR1212_BE16_TO_CPU(quad) be16_to_cpu(quad) |
| #define CSR1212_CPU_TO_BE16(quad) cpu_to_be16(quad) |
| #define CSR1212_BE32_TO_CPU(quad) be32_to_cpu(quad) |
| #define CSR1212_CPU_TO_BE32(quad) cpu_to_be32(quad) |
| #define CSR1212_BE64_TO_CPU(quad) be64_to_cpu(quad) |
| #define CSR1212_CPU_TO_BE64(quad) cpu_to_be64(quad) |
| |
| #define CSR1212_LE16_TO_CPU(quad) le16_to_cpu(quad) |
| #define CSR1212_CPU_TO_LE16(quad) cpu_to_le16(quad) |
| #define CSR1212_LE32_TO_CPU(quad) le32_to_cpu(quad) |
| #define CSR1212_CPU_TO_LE32(quad) cpu_to_le32(quad) |
| #define CSR1212_LE64_TO_CPU(quad) le64_to_cpu(quad) |
| #define CSR1212_CPU_TO_LE64(quad) cpu_to_le64(quad) |
| |
| #include <linux/errno.h> |
| #define CSR1212_SUCCESS (0) |
| #define CSR1212_EINVAL (-EINVAL) |
| #define CSR1212_ENOMEM (-ENOMEM) |
| #define CSR1212_ENOENT (-ENOENT) |
| #define CSR1212_EIO (-EIO) |
| #define CSR1212_EBUSY (-EBUSY) |
| |
| #else /* Userspace */ |
| |
| #include <sys/types.h> |
| #include <malloc.h> |
| #define CSR1212_MALLOC(size) malloc(size) |
| #define CSR1212_FREE(ptr) free(ptr) |
| #include <endian.h> |
| #if __BYTE_ORDER == __LITTLE_ENDIAN |
| #include <byteswap.h> |
| #define CSR1212_BE16_TO_CPU(quad) bswap_16(quad) |
| #define CSR1212_CPU_TO_BE16(quad) bswap_16(quad) |
| #define CSR1212_BE32_TO_CPU(quad) bswap_32(quad) |
| #define CSR1212_CPU_TO_BE32(quad) bswap_32(quad) |
| #define CSR1212_BE64_TO_CPU(quad) bswap_64(quad) |
| #define CSR1212_CPU_TO_BE64(quad) bswap_64(quad) |
| |
| #define CSR1212_LE16_TO_CPU(quad) (quad) |
| #define CSR1212_CPU_TO_LE16(quad) (quad) |
| #define CSR1212_LE32_TO_CPU(quad) (quad) |
| #define CSR1212_CPU_TO_LE32(quad) (quad) |
| #define CSR1212_LE64_TO_CPU(quad) (quad) |
| #define CSR1212_CPU_TO_LE64(quad) (quad) |
| #else |
| #define CSR1212_BE16_TO_CPU(quad) (quad) |
| #define CSR1212_CPU_TO_BE16(quad) (quad) |
| #define CSR1212_BE32_TO_CPU(quad) (quad) |
| #define CSR1212_CPU_TO_BE32(quad) (quad) |
| #define CSR1212_BE64_TO_CPU(quad) (quad) |
| #define CSR1212_CPU_TO_BE64(quad) (quad) |
| |
| #define CSR1212_LE16_TO_CPU(quad) bswap_16(quad) |
| #define CSR1212_CPU_TO_LE16(quad) bswap_16(quad) |
| #define CSR1212_LE32_TO_CPU(quad) bswap_32(quad) |
| #define CSR1212_CPU_TO_LE32(quad) bswap_32(quad) |
| #define CSR1212_LE64_TO_CPU(quad) bswap_64(quad) |
| #define CSR1212_CPU_TO_LE64(quad) bswap_64(quad) |
| #endif |
| |
| #include <errno.h> |
| #define CSR1212_SUCCESS (0) |
| #define CSR1212_EINVAL (EINVAL) |
| #define CSR1212_ENOMEM (ENOMEM) |
| #define CSR1212_ENOENT (ENOENT) |
| #define CSR1212_EIO (EIO) |
| #define CSR1212_EBUSY (EBUSY) |
| |
| #endif |
| |
| |
| #define CSR1212_KV_VAL_MASK 0xffffff |
| #define CSR1212_KV_KEY_SHIFT 24 |
| #define CSR1212_KV_KEY_TYPE_SHIFT 6 |
| #define CSR1212_KV_KEY_ID_MASK 0x3f |
| #define CSR1212_KV_KEY_TYPE_MASK 0x3 /* After shift */ |
| |
| |
| /* CSR 1212 key types */ |
| #define CSR1212_KV_TYPE_IMMEDIATE 0 |
| #define CSR1212_KV_TYPE_CSR_OFFSET 1 |
| #define CSR1212_KV_TYPE_LEAF 2 |
| #define CSR1212_KV_TYPE_DIRECTORY 3 |
| |
| |
| /* CSR 1212 key ids */ |
| #define CSR1212_KV_ID_DESCRIPTOR 0x01 |
| #define CSR1212_KV_ID_BUS_DEPENDENT_INFO 0x02 |
| #define CSR1212_KV_ID_VENDOR 0x03 |
| #define CSR1212_KV_ID_HARDWARE_VERSION 0x04 |
| #define CSR1212_KV_ID_MODULE 0x07 |
| #define CSR1212_KV_ID_NODE_CAPABILITIES 0x0C |
| #define CSR1212_KV_ID_EUI_64 0x0D |
| #define CSR1212_KV_ID_UNIT 0x11 |
| #define CSR1212_KV_ID_SPECIFIER_ID 0x12 |
| #define CSR1212_KV_ID_VERSION 0x13 |
| #define CSR1212_KV_ID_DEPENDENT_INFO 0x14 |
| #define CSR1212_KV_ID_UNIT_LOCATION 0x15 |
| #define CSR1212_KV_ID_MODEL 0x17 |
| #define CSR1212_KV_ID_INSTANCE 0x18 |
| #define CSR1212_KV_ID_KEYWORD 0x19 |
| #define CSR1212_KV_ID_FEATURE 0x1A |
| #define CSR1212_KV_ID_EXTENDED_ROM 0x1B |
| #define CSR1212_KV_ID_EXTENDED_KEY_SPECIFIER_ID 0x1C |
| #define CSR1212_KV_ID_EXTENDED_KEY 0x1D |
| #define CSR1212_KV_ID_EXTENDED_DATA 0x1E |
| #define CSR1212_KV_ID_MODIFIABLE_DESCRIPTOR 0x1F |
| #define CSR1212_KV_ID_DIRECTORY_ID 0x20 |
| #define CSR1212_KV_ID_REVISION 0x21 |
| |
| |
| /* IEEE 1212 Address space map */ |
| #define CSR1212_ALL_SPACE_BASE (0x000000000000ULL) |
| #define CSR1212_ALL_SPACE_SIZE (1ULL << 48) |
| #define CSR1212_ALL_SPACE_END (CSR1212_ALL_SPACE_BASE + CSR1212_ALL_SPACE_SIZE) |
| |
| #define CSR1212_MEMORY_SPACE_BASE (0x000000000000ULL) |
| #define CSR1212_MEMORY_SPACE_SIZE ((256ULL * (1ULL << 40)) - (512ULL * (1ULL << 20))) |
| #define CSR1212_MEMORY_SPACE_END (CSR1212_MEMORY_SPACE_BASE + CSR1212_MEMORY_SPACE_SIZE) |
| |
| #define CSR1212_PRIVATE_SPACE_BASE (0xffffe0000000ULL) |
| #define CSR1212_PRIVATE_SPACE_SIZE (256ULL * (1ULL << 20)) |
| #define CSR1212_PRIVATE_SPACE_END (CSR1212_PRIVATE_SPACE_BASE + CSR1212_PRIVATE_SPACE_SIZE) |
| |
| #define CSR1212_REGISTER_SPACE_BASE (0xfffff0000000ULL) |
| #define CSR1212_REGISTER_SPACE_SIZE (256ULL * (1ULL << 20)) |
| #define CSR1212_REGISTER_SPACE_END (CSR1212_REGISTER_SPACE_BASE + CSR1212_REGISTER_SPACE_SIZE) |
| |
| #define CSR1212_CSR_ARCH_REG_SPACE_BASE (0xfffff0000000ULL) |
| #define CSR1212_CSR_ARCH_REG_SPACE_SIZE (512) |
| #define CSR1212_CSR_ARCH_REG_SPACE_END (CSR1212_CSR_ARCH_REG_SPACE_BASE + CSR1212_CSR_ARCH_REG_SPACE_SIZE) |
| #define CSR1212_CSR_ARCH_REG_SPACE_OFFSET (CSR1212_CSR_ARCH_REG_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) |
| |
| #define CSR1212_CSR_BUS_DEP_REG_SPACE_BASE (0xfffff0000200ULL) |
| #define CSR1212_CSR_BUS_DEP_REG_SPACE_SIZE (512) |
| #define CSR1212_CSR_BUS_DEP_REG_SPACE_END (CSR1212_CSR_BUS_DEP_REG_SPACE_BASE + CSR1212_CSR_BUS_DEP_REG_SPACE_SIZE) |
| #define CSR1212_CSR_BUS_DEP_REG_SPACE_OFFSET (CSR1212_CSR_BUS_DEP_REG_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) |
| |
| #define CSR1212_CONFIG_ROM_SPACE_BASE (0xfffff0000400ULL) |
| #define CSR1212_CONFIG_ROM_SPACE_SIZE (1024) |
| #define CSR1212_CONFIG_ROM_SPACE_END (CSR1212_CONFIG_ROM_SPACE_BASE + CSR1212_CONFIG_ROM_SPACE_SIZE) |
| #define CSR1212_CONFIG_ROM_SPACE_OFFSET (CSR1212_CONFIG_ROM_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) |
| |
| #define CSR1212_UNITS_SPACE_BASE (0xfffff0000800ULL) |
| #define CSR1212_UNITS_SPACE_SIZE ((256ULL * (1ULL << 20)) - 2048) |
| #define CSR1212_UNITS_SPACE_END (CSR1212_UNITS_SPACE_BASE + CSR1212_UNITS_SPACE_SIZE) |
| #define CSR1212_UNITS_SPACE_OFFSET (CSR1212_UNITS_SPACE_BASE - CSR1212_REGISTER_SPACE_BASE) |
| |
| #define CSR1212_EXTENDED_ROM_SIZE (0x10000 * sizeof(u_int32_t)) |
| |
| #define CSR1212_INVALID_ADDR_SPACE -1 |
| |
| /* Config ROM image structures */ |
| struct csr1212_bus_info_block_img { |
| u_int8_t length; |
| u_int8_t crc_length; |
| u_int16_t crc; |
| |
| /* Must be last */ |
| u_int32_t data[0]; /* older gcc can't handle [] which is standard */ |
| }; |
| |
| #define CSR1212_KV_KEY(quad) (CSR1212_BE32_TO_CPU(quad) >> CSR1212_KV_KEY_SHIFT) |
| #define CSR1212_KV_KEY_TYPE(quad) (CSR1212_KV_KEY(quad) >> CSR1212_KV_KEY_TYPE_SHIFT) |
| #define CSR1212_KV_KEY_ID(quad) (CSR1212_KV_KEY(quad) & CSR1212_KV_KEY_ID_MASK) |
| #define CSR1212_KV_VAL(quad) (CSR1212_BE32_TO_CPU(quad) & CSR1212_KV_VAL_MASK) |
| |
| #define CSR1212_SET_KV_KEY(quad, key) ((quad) = \ |
| CSR1212_CPU_TO_BE32(CSR1212_KV_VAL(quad) | ((key) << CSR1212_KV_KEY_SHIFT))) |
| #define CSR1212_SET_KV_VAL(quad, val) ((quad) = \ |
| CSR1212_CPU_TO_BE32((CSR1212_KV_KEY(quad) << CSR1212_KV_KEY_SHIFT) | (val))) |
| #define CSR1212_SET_KV_TYPEID(quad, type, id) ((quad) = \ |
| CSR1212_CPU_TO_BE32(CSR1212_KV_VAL(quad) | \ |
| (((((type) & CSR1212_KV_KEY_TYPE_MASK) << CSR1212_KV_KEY_TYPE_SHIFT) | \ |
| ((id) & CSR1212_KV_KEY_ID_MASK)) << CSR1212_KV_KEY_SHIFT))) |
| |
| typedef u_int32_t csr1212_quad_t; |
| |
| |
| struct csr1212_keyval_img { |
| u_int16_t length; |
| u_int16_t crc; |
| |
| /* Must be last */ |
| csr1212_quad_t data[0]; /* older gcc can't handle [] which is standard */ |
| }; |
| |
| struct csr1212_leaf { |
| int len; |
| u_int32_t *data; |
| }; |
| |
| struct csr1212_dentry { |
| struct csr1212_dentry *next, *prev; |
| struct csr1212_keyval *kv; |
| }; |
| |
| struct csr1212_directory { |
| int len; |
| struct csr1212_dentry *dentries_head, *dentries_tail; |
| }; |
| |
| struct csr1212_keyval { |
| struct { |
| u_int8_t type; |
| u_int8_t id; |
| } key; |
| union { |
| u_int32_t immediate; |
| u_int32_t csr_offset; |
| struct csr1212_leaf leaf; |
| struct csr1212_directory directory; |
| } value; |
| struct csr1212_keyval *associate; |
| int refcnt; |
| |
| /* used in generating and/or parsing CSR image */ |
| struct csr1212_keyval *next, *prev; /* flat list of CSR elements */ |
| u_int32_t offset; /* position in CSR from 0xffff f000 0000 */ |
| u_int8_t valid; /* flag indicating keyval has valid data*/ |
| }; |
| |
| |
| struct csr1212_cache_region { |
| struct csr1212_cache_region *next, *prev; |
| u_int32_t offset_start; /* inclusive */ |
| u_int32_t offset_end; /* exclusive */ |
| }; |
| |
| struct csr1212_csr_rom_cache { |
| struct csr1212_csr_rom_cache *next, *prev; |
| struct csr1212_cache_region *filled_head, *filled_tail; |
| struct csr1212_keyval *layout_head, *layout_tail; |
| size_t size; |
| u_int32_t offset; |
| struct csr1212_keyval *ext_rom; |
| size_t len; |
| |
| /* Must be last */ |
| u_int32_t data[0]; /* older gcc can't handle [] which is standard */ |
| }; |
| |
| struct csr1212_csr { |
| size_t bus_info_len; /* bus info block length in bytes */ |
| size_t crc_len; /* crc length in bytes */ |
| u_int32_t *bus_info_data; /* bus info data incl bus name and EUI */ |
| |
| void *private; /* private, bus specific data */ |
| struct csr1212_bus_ops *ops; |
| |
| struct csr1212_keyval *root_kv; |
| |
| int max_rom; /* max bytes readable in Config ROM region */ |
| |
| /* Items below used for image parsing and generation */ |
| struct csr1212_csr_rom_cache *cache_head, *cache_tail; |
| }; |
| |
| struct csr1212_bus_ops { |
| /* This function is used by csr1212 to read additional information |
| * from remote nodes when parsing a Config ROM (i.e., read Config ROM |
| * entries located in the Units Space. Must return 0 on success |
| * anything else indicates an error. */ |
| int (*bus_read) (struct csr1212_csr *csr, u_int64_t addr, |
| u_int16_t length, void *buffer, void *private); |
| |
| /* This function is used by csr1212 to allocate a region in units space |
| * in the event that Config ROM entries don't all fit in the predefined |
| * 1K region. The void *private parameter is private member of struct |
| * csr1212_csr. */ |
| u_int64_t (*allocate_addr_range) (u_int64_t size, u_int32_t alignment, |
| void *private); |
| |
| |
| /* This function is used by csr1212 to release a region in units space |
| * that is no longer needed. */ |
| void (*release_addr) (u_int64_t addr, void *private); |
| |
| /* This function is used by csr1212 to determine the max read request |
| * supported by a remote node when reading the ConfigROM space. Must |
| * return 0, 1, or 2 per IEEE 1212. */ |
| int (*get_max_rom) (u_int32_t *bus_info, void *private); |
| }; |
| |
| |
| |
| |
| /* Descriptor Leaf manipulation macros */ |
| #define CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT 24 |
| #define CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK 0xffffff |
| #define CSR1212_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u_int32_t)) |
| |
| #define CSR1212_DESCRIPTOR_LEAF_TYPE(kv) \ |
| (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[0]) >> CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT) |
| #define CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID(kv) \ |
| (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[0]) & \ |
| CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK) |
| #define CSR1212_DESCRIPTOR_LEAF_DATA(kv) \ |
| (&((kv)->value.leaf.data[1])) |
| |
| #define CSR1212_DESCRIPTOR_LEAF_SET_TYPE(kv, type) \ |
| ((kv)->value.leaf.data[0] = \ |
| CSR1212_CPU_TO_BE32(CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID(kv) | \ |
| ((type) << CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT))) |
| #define CSR1212_DESCRIPTOR_LEAF_SET_SPECIFIER_ID(kv, spec_id) \ |
| ((kv)->value.leaf.data[0] = \ |
| CSR1212_CPU_TO_BE32((CSR1212_DESCRIPTOR_LEAF_TYPE(kv) << \ |
| CSR1212_DESCRIPTOR_LEAF_TYPE_SHIFT) | \ |
| ((spec_id) & CSR1212_DESCRIPTOR_LEAF_SPECIFIER_ID_MASK))) |
| |
| /* Text Descriptor Leaf manipulation macros */ |
| #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT 28 |
| #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK 0xf /* after shift */ |
| #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT 16 |
| #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK 0xfff /* after shift */ |
| #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK 0xffff |
| #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_OVERHEAD (1 * sizeof(u_int32_t)) |
| |
| #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH(kv) \ |
| (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1]) >> \ |
| CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT) |
| #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET(kv) \ |
| ((CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1]) >> \ |
| CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT) & \ |
| CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK) |
| #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE(kv) \ |
| (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1]) & \ |
| CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK) |
| #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_DATA(kv) \ |
| (&((kv)->value.leaf.data[2])) |
| |
| #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_SET_WIDTH(kv, width) \ |
| ((kv)->value.leaf.data[1] = \ |
| ((kv)->value.leaf.data[1] & \ |
| CSR1212_CPU_TO_BE32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK << \ |
| CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT))) | \ |
| CSR1212_CPU_TO_BE32(((width) & \ |
| CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_MASK) << \ |
| CSR1212_TEXTUAL_DESCRIPTOR_LEAF_WIDTH_SHIFT)) |
| #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_SET_CHAR_SET(kv, char_set) \ |
| ((kv)->value.leaf.data[1] = \ |
| ((kv)->value.leaf.data[1] & \ |
| CSR1212_CPU_TO_BE32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK << \ |
| CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT))) | \ |
| CSR1212_CPU_TO_BE32(((char_set) & \ |
| CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_MASK) << \ |
| CSR1212_TEXTUAL_DESCRIPTOR_LEAF_CHAR_SET_SHIFT)) |
| #define CSR1212_TEXTUAL_DESCRIPTOR_LEAF_SET_LANGUAGE(kv, language) \ |
| ((kv)->value.leaf.data[1] = \ |
| ((kv)->value.leaf.data[1] & \ |
| CSR1212_CPU_TO_BE32(~(CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK))) | \ |
| CSR1212_CPU_TO_BE32(((language) & \ |
| CSR1212_TEXTUAL_DESCRIPTOR_LEAF_LANGUAGE_MASK))) |
| |
| |
| /* Icon Descriptor Leaf manipulation macros */ |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_VERSION_MASK 0xffffff |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_SHIFT 30 |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_MASK 0x3 /* after shift */ |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_SHIFT 16 |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_MASK 0xf /* after shift */ |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE_MASK 0xffff |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_SHIFT 16 |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_MASK 0xffff /* after shift */ |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN_MASK 0xffff |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_OVERHEAD (3 * sizeof(u_int32_t)) |
| |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_VERSION(kv) \ |
| (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[2]) & \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_VERSION_MASK) |
| |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH(kv) \ |
| (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[3]) >> \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_SHIFT) |
| |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE(kv) \ |
| ((CSR1212_BE32_TO_CPU((kv)->value.leaf.data[3]) >> \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_SHIFT) & \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_MASK) |
| |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE(kv) \ |
| (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[3]) & \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE_MASK) |
| |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN(kv) \ |
| ((CSR1212_BE32_TO_CPU((kv)->value.leaf.data[4]) >> \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_HSCAN_SHIFT) & \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_HSCAN_MASK) |
| |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN(kv) \ |
| (CSR1212_BE32_TO_CPU((kv)->value.leaf.data[4]) & \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN_MASK) |
| |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE(kv) \ |
| (&((kv)->value.leaf.data[5])) |
| |
| static inline u_int32_t *CSR1212_ICON_DESCRIPTOR_LEAF_PIXELS(struct csr1212_keyval *kv) |
| { |
| static const int pd[4] = { 0, 4, 16, 256 }; |
| static const int cs[16] = { 4, 2 }; |
| int ps = pd[CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH(kv)]; |
| |
| return &kv->value.leaf.data[5 + |
| (ps * cs[CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE(kv)]) / |
| sizeof(u_int32_t)]; |
| } |
| |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_SET_VERSION(kv, version) \ |
| ((kv)->value.leaf.data[2] = \ |
| ((kv)->value.leaf.data[2] & \ |
| CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_VERSION_MASK))) | \ |
| CSR1212_CPU_TO_BE32(((version) & \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_VERSION_MASK))) |
| |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_SET_PALETTE_DEPTH(kv, palette_depth) \ |
| ((kv)->value.leaf.data[3] = \ |
| ((kv)->value.leaf.data[3] & \ |
| CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_MASK << \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_SHIFT))) | \ |
| CSR1212_CPU_TO_BE32(((palette_depth) & \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_MASK) << \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_PALETTE_DEPTH_SHIFT)) |
| |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_SET_COLOR_SPACE(kv, color_space) \ |
| ((kv)->value.leaf.data[3] = \ |
| ((kv)->value.leaf.data[3] & \ |
| CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_MASK << \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_SHIFT))) | \ |
| CSR1212_CPU_TO_BE32(((color_space) & \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_MASK) << \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_COLOR_SPACE_SHIFT)) |
| |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_SET_LANGUAGE(kv, language) \ |
| ((kv)->value.leaf.data[3] = \ |
| ((kv)->value.leaf.data[3] & \ |
| CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE_MASK))) | \ |
| CSR1212_CPU_TO_BE32(((language) & \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_LANGUAGE_MASK))) |
| |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_SET_HSCAN(kv, hscan) \ |
| ((kv)->value.leaf.data[4] = \ |
| ((kv)->value.leaf.data[4] & \ |
| CSR1212_CPU_TO_BE32(~(CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_MASK << \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_SHIFT))) | \ |
| CSR1212_CPU_TO_BE32(((hscan) & \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_MASK) << \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_HSCAN_SHIFT)) |
| |
| #define CSR1212_ICON_DESCRIPTOR_LEAF_SET_VSCAN(kv, vscan) \ |
| ((kv)->value.leaf.data[4] = \ |
| (((kv)->value.leaf.data[4] & \ |
| CSR1212_CPU_TO_BE32(~CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN_MASK))) | \ |
| CSR1212_CPU_TO_BE32(((vscan) & \ |
| CSR1212_ICON_DESCRIPTOR_LEAF_VSCAN_MASK))) |
| |
| |
| /* Modifiable Descriptor Leaf manipulation macros */ |
| #define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_SHIFT 16 |
| #define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_MASK 0xffff |
| #define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_HI_SHIFT 32 |
| #define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_HI_MASK 0xffff |
| #define CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_LO_MASK 0xffffffffULL |
| |
| #define CSR1212_MODIFIABLE_DESCRIPTOR_MAX_SIZE(kv) \ |
| CSR1212_BE16_TO_CPU((kv)->value.leaf.data[0] >> CSR1212_MODIFIABLE_DESCRIPTOR_MAX_SIZE_SHIFT) |
| |
| #define CSR1212_MODIFIABLE_DESCRIPTOR_ADDRESS(kv) \ |
| (CSR1212_BE16_TO_CPU(((u_int64_t)((kv)->value.leaf.data[0])) << \ |
| CSR1212_MODIFIABLE_DESCRIPTOR_ADDR_HI_SHIFT) | \ |
| CSR1212_BE32_TO_CPU((kv)->value.leaf.data[1])) |
| |
| #define CSR1212_MODIFIABLE_DESCRIPTOR_SET_MAX_SIZE(kv, size) \ |
| ((kv)->value.leaf.data[0] = \ |
| ((kv)->value.leaf.data[0] & \ |
| CSR1212_CPU_TO_BE32(~(CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_MASK << \ |
| CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_SHIFT))) | \ |
| CSR1212_CPU_TO_BE32(((size) & \ |
| CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_MASK) << \ |
| CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_MAX_SIZE_SHIFT)) |
| |
| #define CSR1212_MODIFIABLE_DESCRIPTOR_SET_ADDRESS_HI(kv, addr) \ |
| ((kv)->value.leaf.data[0] = \ |
| ((kv)->value.leaf.data[0] & \ |
| CSR1212_CPU_TO_BE32(~(CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_HI_MASK))) | \ |
| CSR1212_CPU_TO_BE32(((addr) & \ |
| CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_HI_MASK))) |
| |
| #define CSR1212_MODIFIABLE_DESCRIPTOR_SET_ADDRESS_LO(kv, addr) \ |
| ((kv)->value.leaf.data[1] = \ |
| CSR1212_CPU_TO_BE32(addr & CSR1212_MODIFIABLE_DESCRIPTOR_LEAF_ADDR_LO_MASK)) |
| |
| |
| |
| /* The following 2 function are for creating new Configuration ROM trees. The |
| * first function is used for both creating local trees and parsing remote |
| * trees. The second function adds pertinent information to local Configuration |
| * ROM trees - namely data for the bus information block. */ |
| extern struct csr1212_csr *csr1212_create_csr(struct csr1212_bus_ops *ops, |
| size_t bus_info_size, |
| void *private); |
| extern void csr1212_init_local_csr(struct csr1212_csr *csr, |
| const u_int32_t *bus_info_data, int max_rom); |
| |
| |
| /* The following function destroys a Configuration ROM tree and release all |
| * memory taken by the tree. */ |
| extern void csr1212_destroy_csr(struct csr1212_csr *csr); |
| |
| |
| /* The following set of functions are fore creating new keyvals for placement in |
| * a Configuration ROM tree. Code that creates new keyvals with these functions |
| * must release those keyvals with csr1212_release_keyval() when they are no |
| * longer needed. */ |
| extern struct csr1212_keyval *csr1212_new_immediate(u_int8_t key, u_int32_t value); |
| extern struct csr1212_keyval *csr1212_new_leaf(u_int8_t key, const void *data, |
| size_t data_len); |
| extern struct csr1212_keyval *csr1212_new_csr_offset(u_int8_t key, |
| u_int32_t csr_offset); |
| extern struct csr1212_keyval *csr1212_new_directory(u_int8_t key); |
| extern struct csr1212_keyval *csr1212_new_extended_immediate(u_int32_t spec, |
| u_int32_t key, |
| u_int32_t value); |
| extern struct csr1212_keyval *csr1212_new_extended_leaf(u_int32_t spec, |
| u_int32_t key, |
| const void *data, |
| size_t data_len); |
| extern struct csr1212_keyval *csr1212_new_descriptor_leaf(u_int8_t dtype, |
| u_int32_t specifier_id, |
| const void *data, |
| size_t data_len); |
| extern struct csr1212_keyval *csr1212_new_textual_descriptor_leaf(u_int8_t cwidth, |
| u_int16_t cset, |
| u_int16_t language, |
| const void *data, |
| size_t data_len); |
| extern struct csr1212_keyval *csr1212_new_string_descriptor_leaf(const char *s); |
| extern struct csr1212_keyval *csr1212_new_icon_descriptor_leaf(u_int32_t version, |
| u_int8_t palette_depth, |
| u_int8_t color_space, |
| u_int16_t language, |
| u_int16_t hscan, |
| u_int16_t vscan, |
| u_int32_t *palette, |
| u_int32_t *pixels); |
| extern struct csr1212_keyval *csr1212_new_modifiable_descriptor_leaf(u_int16_t max_size, |
| u_int64_t address); |
| extern struct csr1212_keyval *csr1212_new_keyword_leaf(int strc, |
| const char *strv[]); |
| |
| |
| /* The following functions manage association between keyvals. Typically, |
| * Descriptor Leaves and Directories will be associated with another keyval and |
| * it is desirable for the Descriptor keyval to be place immediately after the |
| * keyval that it is associated with.*/ |
| extern int csr1212_associate_keyval(struct csr1212_keyval *kv, |
| struct csr1212_keyval *associate); |
| extern void csr1212_disassociate_keyval(struct csr1212_keyval *kv); |
| |
| |
| /* The following functions manage the association of a keyval and directories. |
| * A keyval may be attached to more than one directory. */ |
| extern int csr1212_attach_keyval_to_directory(struct csr1212_keyval *dir, |
| struct csr1212_keyval *kv); |
| extern void csr1212_detach_keyval_from_directory(struct csr1212_keyval *dir, |
| struct csr1212_keyval *kv); |
| |
| |
| /* The following functions create a Configuration ROM image from the tree of |
| * keyvals provided. csr1212_generate_csr_image() creates a complete image in |
| * the list of caches available via csr->cache_head. The other functions are |
| * provided should there be a need to create a flat image without restrictions |
| * placed by IEEE 1212. */ |
| extern struct csr1212_keyval *csr1212_generate_positions(struct csr1212_csr_rom_cache *cache, |
| struct csr1212_keyval *start_kv, |
| int start_pos); |
| extern size_t csr1212_generate_layout_order(struct csr1212_keyval *kv); |
| extern void csr1212_fill_cache(struct csr1212_csr_rom_cache *cache); |
| extern int csr1212_generate_csr_image(struct csr1212_csr *csr); |
| |
| |
| /* This is a convience function for reading a block of data out of one of the |
| * caches in the csr->cache_head list. */ |
| extern int csr1212_read(struct csr1212_csr *csr, u_int32_t offset, void *buffer, |
| u_int32_t len); |
| |
| |
| /* The following functions are in place for parsing Configuration ROM images. |
| * csr1212_parse_keyval() is used should there be a need to directly parse a |
| * Configuration ROM directly. */ |
| extern int csr1212_parse_keyval(struct csr1212_keyval *kv, |
| struct csr1212_csr_rom_cache *cache); |
| extern int csr1212_parse_csr(struct csr1212_csr *csr); |
| |
| /* These are internal functions referenced by inline functions below. */ |
| extern int _csr1212_read_keyval(struct csr1212_csr *csr, struct csr1212_keyval *kv); |
| extern void _csr1212_destroy_keyval(struct csr1212_keyval *kv); |
| |
| |
| /* This function allocates a new cache which may be used for either parsing or |
| * generating sub-sets of Configuration ROM images. */ |
| static inline struct csr1212_csr_rom_cache *csr1212_rom_cache_malloc(u_int32_t offset, |
| size_t size) |
| { |
| struct csr1212_csr_rom_cache *cache; |
| |
| cache = CSR1212_MALLOC(sizeof(*cache) + size); |
| if (!cache) |
| return NULL; |
| |
| cache->next = NULL; |
| cache->prev = NULL; |
| cache->filled_head = NULL; |
| cache->filled_tail = NULL; |
| cache->layout_head = NULL; |
| cache->layout_tail = NULL; |
| cache->offset = offset; |
| cache->size = size; |
| cache->ext_rom = NULL; |
| |
| return cache; |
| } |
| |
| |
| /* This function ensures that a keyval contains data when referencing a keyval |
| * created by parsing a Configuration ROM. */ |
| static inline struct csr1212_keyval *csr1212_get_keyval(struct csr1212_csr *csr, |
| struct csr1212_keyval *kv) |
| { |
| if (!kv) |
| return NULL; |
| if (!kv->valid) |
| if (_csr1212_read_keyval(csr, kv) != CSR1212_SUCCESS) |
| return NULL; |
| return kv; |
| } |
| |
| |
| /* This function increments the reference count for a keyval should there be a |
| * need for code to retain a keyval that has been parsed. */ |
| static inline void csr1212_keep_keyval(struct csr1212_keyval *kv) |
| { |
| kv->refcnt++; |
| } |
| |
| |
| /* This function decrements a keyval's reference count and will destroy the |
| * keyval when there are no more users of the keyval. This should be called by |
| * any code that calls csr1212_keep_keyval() or any of the keyval creation |
| * routines csr1212_new_*(). */ |
| static inline void csr1212_release_keyval(struct csr1212_keyval *kv) |
| { |
| if (kv->refcnt > 1) |
| kv->refcnt--; |
| else |
| _csr1212_destroy_keyval(kv); |
| } |
| |
| |
| /* |
| * This macro allows for looping over the keyval entries in a directory and it |
| * ensures that keyvals from remote ConfigROMs are parsed properly. |
| * |
| * _csr is a struct csr1212_csr * that points to CSR associated with dir. |
| * _kv is a struct csr1212_keyval * that'll point to the current keyval (loop index). |
| * _dir is a struct csr1212_keyval * that points to the directory to be looped. |
| * _pos is a struct csr1212_dentry * that is used internally for indexing. |
| * |
| * kv will be NULL upon exit of the loop. |
| */ |
| #define csr1212_for_each_dir_entry(_csr, _kv, _dir, _pos) \ |
| for (csr1212_get_keyval((_csr), (_dir)), \ |
| _pos = (_dir)->value.directory.dentries_head, \ |
| _kv = (_pos) ? csr1212_get_keyval((_csr), _pos->kv) : NULL; \ |
| (_kv) && (_pos); \ |
| (_kv->associate == NULL) ? \ |
| ((_pos = _pos->next), \ |
| (_kv = (_pos) ? csr1212_get_keyval((_csr), _pos->kv) : \ |
| NULL)) : \ |
| (_kv = csr1212_get_keyval((_csr), _kv->associate))) |
| |
| |
| |
| #endif /* __CSR1212_H__ */ |