From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51620) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1frqlF-0002rN-2p for qemu-devel@nongnu.org; Mon, 20 Aug 2018 16:26:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1frql2-0002WH-Bi for qemu-devel@nongnu.org; Mon, 20 Aug 2018 16:26:46 -0400 Received: from mail-oi0-x244.google.com ([2607:f8b0:4003:c06::244]:45091) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1frqkw-0002Jh-Lv for qemu-devel@nongnu.org; Mon, 20 Aug 2018 16:26:32 -0400 Received: by mail-oi0-x244.google.com with SMTP id q11-v6so28133482oic.12 for ; Mon, 20 Aug 2018 13:26:29 -0700 (PDT) Sender: Corey Minyard From: minyard@acm.org Date: Mon, 20 Aug 2018 15:26:05 -0500 Message-Id: <1534796770-10295-6-git-send-email-minyard@acm.org> In-Reply-To: <1534796770-10295-1-git-send-email-minyard@acm.org> References: <1534796770-10295-1-git-send-email-minyard@acm.org> Subject: [Qemu-devel] [PATCH v2 05/10] i2c:pm_smbus: Fix state transfer List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Paolo Bonzini , qemu-devel@nongnu.org Cc: "Michael S . Tsirkin" , Corey Minyard , "Dr . David Alan Gilbert" From: Corey Minyard Transfer the state information for the SMBus registers and internal data so it will work on a VM transfer. Signed-off-by: Corey Minyard Cc: Michael S. Tsirkin Cc: Paolo Bonzini Cc: Dr. David Alan Gilbert --- hw/acpi/piix4.c | 3 ++- hw/i2c/pm_smbus.c | 20 ++++++++++++++++++++ hw/i2c/smbus_ich9.c | 5 +++-- include/hw/i2c/pm_smbus.h | 2 ++ 4 files changed, 27 insertions(+), 3 deletions(-) diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index 6404af5..f8d8d2e 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -309,7 +309,7 @@ static const VMStateDescription vmstate_cpuhp_state = { */ static const VMStateDescription vmstate_acpi = { .name = "piix4_pm", - .version_id = 3, + .version_id = 4, .minimum_version_id = 3, .minimum_version_id_old = 1, .load_state_old = acpi_load_old, @@ -320,6 +320,7 @@ static const VMStateDescription vmstate_acpi = { VMSTATE_UINT16(ar.pm1.evt.en, PIIX4PMState), VMSTATE_UINT16(ar.pm1.cnt.cnt, PIIX4PMState), VMSTATE_STRUCT(apm, PIIX4PMState, 0, vmstate_apm, APMState), + VMSTATE_STRUCT(smb, PIIX4PMState, 4, pmsmb_vmstate, PMSMBus), VMSTATE_TIMER_PTR(ar.tmr.timer, PIIX4PMState), VMSTATE_INT64(ar.tmr.overflow_time, PIIX4PMState), VMSTATE_STRUCT(ar.gpe, PIIX4PMState, 2, vmstate_gpe, ACPIGPE), diff --git a/hw/i2c/pm_smbus.c b/hw/i2c/pm_smbus.c index 32132be..9e11d47 100644 --- a/hw/i2c/pm_smbus.c +++ b/hw/i2c/pm_smbus.c @@ -383,6 +383,26 @@ static const MemoryRegionOps pm_smbus_ops = { .endianness = DEVICE_LITTLE_ENDIAN, }; +const VMStateDescription pmsmb_vmstate = { + .name = "pmsmb", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT8(smb_stat, PMSMBus), + VMSTATE_UINT8(smb_ctl, PMSMBus), + VMSTATE_UINT8(smb_cmd, PMSMBus), + VMSTATE_UINT8(smb_addr, PMSMBus), + VMSTATE_UINT8(smb_data0, PMSMBus), + VMSTATE_UINT8(smb_data1, PMSMBus), + VMSTATE_UINT32(smb_index, PMSMBus), + VMSTATE_UINT8_ARRAY(smb_data, PMSMBus, PM_SMBUS_MAX_MSG_SIZE), + VMSTATE_UINT8(smb_auxctl, PMSMBus), + VMSTATE_BOOL(i2c_enable, PMSMBus), + VMSTATE_BOOL(op_done, PMSMBus), + VMSTATE_END_OF_LIST() + } +}; + void pm_smbus_init(DeviceState *parent, PMSMBus *smb) { smb->op_done = true; diff --git a/hw/i2c/smbus_ich9.c b/hw/i2c/smbus_ich9.c index a66a114..c8b8413 100644 --- a/hw/i2c/smbus_ich9.c +++ b/hw/i2c/smbus_ich9.c @@ -45,10 +45,11 @@ typedef struct ICH9SMBState { static const VMStateDescription vmstate_ich9_smbus = { .name = "ich9_smb", - .version_id = 1, + .version_id = 2, .minimum_version_id = 1, .fields = (VMStateField[]) { - VMSTATE_PCI_DEVICE(dev, struct ICH9SMBState), + VMSTATE_PCI_DEVICE(dev, ICH9SMBState), + VMSTATE_STRUCT(smb, ICH9SMBState, 2, pmsmb_vmstate, PMSMBus), VMSTATE_END_OF_LIST() } }; diff --git a/include/hw/i2c/pm_smbus.h b/include/hw/i2c/pm_smbus.h index 99d5489..b1e1970 100644 --- a/include/hw/i2c/pm_smbus.h +++ b/include/hw/i2c/pm_smbus.h @@ -33,4 +33,6 @@ typedef struct PMSMBus { void pm_smbus_init(DeviceState *parent, PMSMBus *smb); +extern const VMStateDescription pmsmb_vmstate; + #endif /* PM_SMBUS_H */ -- 2.7.4