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| author | Keir Fraser <keir.fraser@citrix.com> | 2010-01-20 20:34:19 +0000 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2010-01-20 20:34:19 +0000 |
| commit | 9e2b86f4864fc8b9dc3b70bb60e7dc2cf4305f9a (patch) | |
| tree | c6b62f0a555955f0b8592cfb8a7e84924db5bf5f /xen/arch/x86/hvm/pmtimer.c | |
| parent | 650afa3995c32c50f3272dbe4514781abed8bdc0 (diff) | |
| download | xen-9e2b86f4864fc8b9dc3b70bb60e7dc2cf4305f9a.tar.gz xen-9e2b86f4864fc8b9dc3b70bb60e7dc2cf4305f9a.tar.bz2 xen-9e2b86f4864fc8b9dc3b70bb60e7dc2cf4305f9a.zip | |
hvm: Add ACPI fixed sleep button
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Diffstat (limited to 'xen/arch/x86/hvm/pmtimer.c')
| -rw-r--r-- | xen/arch/x86/hvm/pmtimer.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/xen/arch/x86/hvm/pmtimer.c b/xen/arch/x86/hvm/pmtimer.c index 0a0b326efe..48fe26ac87 100644 --- a/xen/arch/x86/hvm/pmtimer.c +++ b/xen/arch/x86/hvm/pmtimer.c @@ -32,14 +32,16 @@ #define TMR_STS (1 << 0) #define GBL_STS (1 << 5) #define PWRBTN_STS (1 << 8) +#define SLPBTN_STS (1 << 9) /* The same in PM1a_EN */ #define TMR_EN (1 << 0) #define GBL_EN (1 << 5) #define PWRBTN_EN (1 << 8) +#define SLPBTN_EN (1 << 9) /* Mask of bits in PM1a_STS that can generate an SCI. */ -#define SCI_MASK (TMR_STS|PWRBTN_STS|GBL_STS) +#define SCI_MASK (TMR_STS|PWRBTN_STS|SLPBTN_STS|GBL_STS) /* SCI IRQ number (must match SCI_INT number in ACPI FADT in hvmloader) */ #define SCI_IRQ 9 @@ -68,6 +70,15 @@ void hvm_acpi_power_button(struct domain *d) spin_unlock(&s->lock); } +void hvm_acpi_sleep_button(struct domain *d) +{ + PMTState *s = &d->arch.hvm_domain.pl_time.vpmt; + spin_lock(&s->lock); + s->pm.pm1a_sts |= SLPBTN_STS; + pmt_update_sci(s); + spin_unlock(&s->lock); +} + /* Set the correct value in the timer, accounting for time elapsed * since the last time we did that. */ static void pmt_update_time(PMTState *s) |