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include: Add version info to struct sbi_platform

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Add version control of sbi_platform structure
- Add opensbi_version, this gives information of opensbi revision on
which the sbi_platform table was created.
- Add platform_version field in sbi_platform structure for platform
level version control.

Signed-off-by: Abner Chang <abner.chang@hpe.com>
Acked-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Abner Chang
2019-06-29 16:18:05 +08:00
committed by Anup Patel
parent fa6fd6bf86
commit 08b196956d
10 changed files with 55 additions and 13 deletions
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40
include/sbi/sbi_platform.h
View File

@@ -10,21 +10,32 @@
#ifndef __SBI_PLATFORM_H__
#define __SBI_PLATFORM_H__
/** OpenSBI 32-bit platform version with:
* 1. upper 16-bits as major number
* 2. lower 16-bits as minor number
*/
#define SBI_PLATFORM_VERSION(Major, Minor) ((Major << 16) | Minor)
/** Offset of opensbi_version in struct sbi_platform */
#define SBI_PLATFORM_OPENSBI_VERSION_OFFSET (0x00)
/** Offset of platform_version in struct sbi_platform */
#define SBI_PLATFORM_VERSION_OFFSET (0x04)
/** Offset of name in struct sbi_platform */
#define SBI_PLATFORM_NAME_OFFSET (0x0)
#define SBI_PLATFORM_NAME_OFFSET (0x08)
/** Offset of features in struct sbi_platform */
#define SBI_PLATFORM_FEATURES_OFFSET (0x40)
#define SBI_PLATFORM_FEATURES_OFFSET (0x48)
/** Offset of hart_count in struct sbi_platform */
#define SBI_PLATFORM_HART_COUNT_OFFSET (0x48)
#define SBI_PLATFORM_HART_COUNT_OFFSET (0x50)
/** Offset of hart_stack_size in struct sbi_platform */
#define SBI_PLATFORM_HART_STACK_SIZE_OFFSET (0x4c)
#define SBI_PLATFORM_HART_STACK_SIZE_OFFSET (0x54)
/** Offset of disabled_hart_mask in struct sbi_platform */
#define SBI_PLATFORM_DISABLED_HART_OFFSET (0x50)
#define SBI_PLATFORM_DISABLED_HART_OFFSET (0x58)
/** Offset of platform_ops_addr in struct sbi_platform */
#define SBI_PLATFORM_OPS_OFFSET (0x58)
#define SBI_PLATFORM_OPS_OFFSET (0x60)
#ifndef __ASSEMBLY__
#include <sbi/sbi_version.h>
#include <sbi/sbi_scratch.h>
/** Possible feature flags of a platform */
@@ -101,6 +112,18 @@ struct sbi_platform_operations {
/** Representation of a platform */
struct sbi_platform {
/**
* OpenSBI version this sbi_platform is based on.
* It's a 32-bit value where upper 16-bits are major number
* and lower 16-bits are minor number
*/
u32 opensbi_version;
/**
* OpenSBI platform version released by vendor.
* It's a 32-bit value where upper 16-bits are major number
* and lower 16-bits are minor number
*/
u32 platform_version;
/** Name of the platform */
char name[64];
/** Supported features */
@@ -119,9 +142,8 @@ struct sbi_platform {
#define sbi_platform_ptr(__s) \
((const struct sbi_platform *)((__s)->platform_addr))
/** Get pointer to sbi_platform for current HART */
#define sbi_platform_thishart_ptr() \
((const struct sbi_platform *)(sbi_scratch_thishart_ptr() \
>platform_addr))
#define sbi_platform_thishart_ptr() ((const struct sbi_platform *) \
(sbi_scratch_thishart_ptr()->platform_addr))
/** Get pointer to platform_ops_addr from platform pointer **/
#define sbi_platform_ops(__p) \
((const struct sbi_platform_operations *)(__p)->platform_ops_addr)

8
include/sbi/sbi_version.h
View File

@@ -13,4 +13,12 @@
#define OPENSBI_VERSION_MAJOR 0
#define OPENSBI_VERSION_MINOR 3
/**
* OpenSBI 32-bit version with:
* 1. upper 16-bits as major number
* 2. lower 16-bits as minor number
*/
#define OPENSBI_VERSION ((OPENSBI_VERSION_MAJOR << 16) | \
(OPENSBI_VERSION_MINOR))
#endif