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authorKeir Fraser <keir.fraser@citrix.com>2008-05-23 09:48:44 +0100
committerKeir Fraser <keir.fraser@citrix.com>2008-05-23 09:48:44 +0100
commit1580fd56fd302e7ceec9ff15e02a0323dfd5be30 (patch)
treeda6958b909b2b4f69074f038c65ef8a292552e17
parent80a73755d2ad1b99d12a5877ce474ef847996224 (diff)
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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.c14
-rw-r--r--xen/include/asm-x86/tboot.h15
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 */