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author | Keir Fraser <keir.fraser@citrix.com> | 2008-05-23 09:48:44 +0100 |
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committer | Keir Fraser <keir.fraser@citrix.com> | 2008-05-23 09:48:44 +0100 |
commit | 1580fd56fd302e7ceec9ff15e02a0323dfd5be30 (patch) | |
tree | da6958b909b2b4f69074f038c65ef8a292552e17 | |
parent | 80a73755d2ad1b99d12a5877ce474ef847996224 (diff) | |
download | xen-1580fd56fd302e7ceec9ff15e02a0323dfd5be30.tar.gz xen-1580fd56fd302e7ceec9ff15e02a0323dfd5be30.tar.bz2 xen-1580fd56fd302e7ceec9ff15e02a0323dfd5be30.zip |
tboot, s3: Fix S3 issue of Xen and tboot, since the structure
acpi_sleep_info is changed but some of the code in Xen is not
synchronized up with this change, which causes Xen S3 failure.
Signed-off-by: Shane Wang <shane.wang@intel.com>
-rw-r--r-- | xen/arch/x86/acpi/power.c | 14 | ||||
-rw-r--r-- | xen/include/asm-x86/tboot.h | 15 |
2 files changed, 23 insertions, 6 deletions
diff --git a/xen/arch/x86/acpi/power.c b/xen/arch/x86/acpi/power.c index 8e62ee4850..5816565fc1 100644 --- a/xen/arch/x86/acpi/power.c +++ b/xen/arch/x86/acpi/power.c @@ -238,9 +238,17 @@ static int acpi_get_wake_status(void) static void tboot_sleep(u8 sleep_state) { uint32_t shutdown_type; - - *((struct acpi_sleep_info *)(unsigned long)g_tboot_shared->acpi_sinfo) = - acpi_sinfo; + + g_tboot_shared->acpi_sinfo.pm1a_cnt = + (uint16_t)acpi_sinfo.pm1a_cnt_blk.address; + g_tboot_shared->acpi_sinfo.pm1b_cnt = + (uint16_t)acpi_sinfo.pm1b_cnt_blk.address; + g_tboot_shared->acpi_sinfo.pm1a_evt = + (uint16_t)acpi_sinfo.pm1a_evt_blk.address; + g_tboot_shared->acpi_sinfo.pm1b_evt = + (uint16_t)acpi_sinfo.pm1b_evt_blk.address; + g_tboot_shared->acpi_sinfo.pm1a_cnt_val = acpi_sinfo.pm1a_cnt_val; + g_tboot_shared->acpi_sinfo.pm1b_cnt_val = acpi_sinfo.pm1b_cnt_val; switch ( sleep_state ) { diff --git a/xen/include/asm-x86/tboot.h b/xen/include/asm-x86/tboot.h index 80c8c9068e..64883ceb7f 100644 --- a/xen/include/asm-x86/tboot.h +++ b/xen/include/asm-x86/tboot.h @@ -46,7 +46,15 @@ typedef struct __attribute__ ((__packed__)) { } uuid_t; /* used to communicate between tboot and the launched kernel (i.e. Xen) */ -#define MAX_TB_ACPI_SINFO_SIZE 64 + +typedef struct __attribute__ ((__packed__)) { + uint16_t pm1a_cnt; + uint16_t pm1b_cnt; + uint16_t pm1a_evt; + uint16_t pm1b_evt; + uint16_t pm1a_cnt_val; + uint16_t pm1b_cnt_val; +} tboot_acpi_sleep_info; typedef struct __attribute__ ((__packed__)) { /* version 0x01+ fields: */ @@ -58,8 +66,9 @@ typedef struct __attribute__ ((__packed__)) { uint32_t shutdown_type; /* type of shutdown (TB_SHUTDOWN_*) */ uint32_t s3_tb_wakeup_entry;/* entry point for tboot s3 wake up */ uint32_t s3_k_wakeup_entry; /* entry point for xen s3 wake up */ - uint8_t acpi_sinfo[MAX_TB_ACPI_SINFO_SIZE]; - /* where kernel put acpi sleep info in Sx */ + tboot_acpi_sleep_info + acpi_sinfo; /* where kernel put acpi sleep info in Sx */ + uint8_t reserved[52]; /* this pad is for compat with old field */ /* version 0x02+ fields: */ uint32_t tboot_base; /* starting addr for tboot */ uint32_t tboot_size; /* size of tboot */ |