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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C From: Vikram Garhwal To: CC: , Stefano Stabellini , Vikram Garhwal , Anthony Perard , Paul Durrant , "Michael S. Tsirkin" , Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Eduardo Habkost , "open list:X86 Xen CPUs" Subject: [QEMU][PATCH v8 03/11] hw/i386/xen/xen-hvm: move x86-specific fields out of XenIOState Date: Wed, 14 Jun 2023 17:03:31 -0700 Message-ID: <20230615000340.1135-4-vikram.garhwal@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230615000340.1135-1-vikram.garhwal@amd.com> References: <20230615000340.1135-1-vikram.garhwal@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT080:EE_|CH3PR12MB7689:EE_ X-MS-Office365-Filtering-Correlation-Id: b85b4185-f432-4f3c-f020-08db6d342d99 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230028)(4636009)(346002)(39860400002)(396003)(376002)(136003)(451199021)(40470700004)(46966006)(36840700001)(26005)(1076003)(356005)(81166007)(82740400003)(2616005)(36756003)(40460700003)(86362001)(186003)(40480700001)(82310400005)(36860700001)(66574015)(47076005)(5660300002)(44832011)(7416002)(6666004)(2906002)(83380400001)(54906003)(41300700001)(8936002)(8676002)(478600001)(4326008)(6916009)(70206006)(70586007)(316002)(426003)(336012)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jun 2023 00:05:07.2282 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b85b4185-f432-4f3c-f020-08db6d342d99 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT080.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR12MB7689 Received-SPF: softfail client-ip=2a01:111:f400:7ea9::61d; envelope-from=vikram.garhwal@amd.com; helo=NAM02-SN1-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @amd.com) X-ZM-MESSAGEID: 1686787527630100003 From: Stefano Stabellini In preparation to moving most of xen-hvm code to an arch-neutral location, = move: - shared_vmport_page - log_for_dirtybit - dirty_bitmap - suspend - wakeup out of XenIOState struct as these are only used on x86, especially the ones related to dirty logging. Updated XenIOState can be used for both aarch64 and x86. Also, remove free_phys_offset as it was unused. Signed-off-by: Stefano Stabellini Signed-off-by: Vikram Garhwal Reviewed-by: Paul Durrant Reviewed-by: Alex Benn=C3=A9e --- hw/i386/xen/xen-hvm.c | 58 ++++++++++++++++++++----------------------- 1 file changed, 27 insertions(+), 31 deletions(-) diff --git a/hw/i386/xen/xen-hvm.c b/hw/i386/xen/xen-hvm.c index 7a7764240e..01bf947f1c 100644 --- a/hw/i386/xen/xen-hvm.c +++ b/hw/i386/xen/xen-hvm.c @@ -74,6 +74,7 @@ struct shared_vmport_iopage { }; typedef struct shared_vmport_iopage shared_vmport_iopage_t; #endif +static shared_vmport_iopage_t *shared_vmport_page; =20 static inline uint32_t xen_vcpu_eport(shared_iopage_t *shared_page, int i) { @@ -96,6 +97,11 @@ typedef struct XenPhysmap { } XenPhysmap; =20 static QLIST_HEAD(, XenPhysmap) xen_physmap; +static const XenPhysmap *log_for_dirtybit; +/* Buffer used by xen_sync_dirty_bitmap */ +static unsigned long *dirty_bitmap; +static Notifier suspend; +static Notifier wakeup; =20 typedef struct XenPciDevice { PCIDevice *pci_dev; @@ -106,7 +112,6 @@ typedef struct XenPciDevice { typedef struct XenIOState { ioservid_t ioservid; shared_iopage_t *shared_page; - shared_vmport_iopage_t *shared_vmport_page; buffered_iopage_t *buffered_io_page; xenforeignmemory_resource_handle *fres; QEMUTimer *buffered_io_timer; @@ -126,14 +131,8 @@ typedef struct XenIOState { MemoryListener io_listener; QLIST_HEAD(, XenPciDevice) dev_list; DeviceListener device_listener; - hwaddr free_phys_offset; - const XenPhysmap *log_for_dirtybit; - /* Buffer used by xen_sync_dirty_bitmap */ - unsigned long *dirty_bitmap; =20 Notifier exit; - Notifier suspend; - Notifier wakeup; } XenIOState; =20 /* Xen specific function for piix pci */ @@ -463,10 +462,10 @@ static int xen_remove_from_physmap(XenIOState *state, } =20 QLIST_REMOVE(physmap, list); - if (state->log_for_dirtybit =3D=3D physmap) { - state->log_for_dirtybit =3D NULL; - g_free(state->dirty_bitmap); - state->dirty_bitmap =3D NULL; + if (log_for_dirtybit =3D=3D physmap) { + log_for_dirtybit =3D NULL; + g_free(dirty_bitmap); + dirty_bitmap =3D NULL; } g_free(physmap); =20 @@ -627,16 +626,16 @@ static void xen_sync_dirty_bitmap(XenIOState *state, return; } =20 - if (state->log_for_dirtybit =3D=3D NULL) { - state->log_for_dirtybit =3D physmap; - state->dirty_bitmap =3D g_new(unsigned long, bitmap_size); - } else if (state->log_for_dirtybit !=3D physmap) { + if (log_for_dirtybit =3D=3D NULL) { + log_for_dirtybit =3D physmap; + dirty_bitmap =3D g_new(unsigned long, bitmap_size); + } else if (log_for_dirtybit !=3D physmap) { /* Only one range for dirty bitmap can be tracked. */ return; } =20 rc =3D xen_track_dirty_vram(xen_domid, start_addr >> TARGET_PAGE_BITS, - npages, state->dirty_bitmap); + npages, dirty_bitmap); if (rc < 0) { #ifndef ENODATA #define ENODATA ENOENT @@ -651,7 +650,7 @@ static void xen_sync_dirty_bitmap(XenIOState *state, } =20 for (i =3D 0; i < bitmap_size; i++) { - unsigned long map =3D state->dirty_bitmap[i]; + unsigned long map =3D dirty_bitmap[i]; while (map !=3D 0) { j =3D ctzl(map); map &=3D ~(1ul << j); @@ -677,12 +676,10 @@ static void xen_log_start(MemoryListener *listener, static void xen_log_stop(MemoryListener *listener, MemoryRegionSection *se= ction, int old, int new) { - XenIOState *state =3D container_of(listener, XenIOState, memory_listen= er); - if (old & ~new & (1 << DIRTY_MEMORY_VGA)) { - state->log_for_dirtybit =3D NULL; - g_free(state->dirty_bitmap); - state->dirty_bitmap =3D NULL; + log_for_dirtybit =3D NULL; + g_free(dirty_bitmap); + dirty_bitmap =3D NULL; /* Disable dirty bit tracking */ xen_track_dirty_vram(xen_domid, 0, 0, NULL); } @@ -1022,9 +1019,9 @@ static void handle_vmport_ioreq(XenIOState *state, io= req_t *req) { vmware_regs_t *vmport_regs; =20 - assert(state->shared_vmport_page); + assert(shared_vmport_page); vmport_regs =3D - &state->shared_vmport_page->vcpu_vmport_regs[state->send_vcpu]; + &shared_vmport_page->vcpu_vmport_regs[state->send_vcpu]; QEMU_BUILD_BUG_ON(sizeof(*req) < sizeof(*vmport_regs)); =20 current_cpu =3D state->cpu_by_vcpu_id[state->send_vcpu]; @@ -1472,7 +1469,6 @@ void xen_hvm_init_pc(PCMachineState *pcms, MemoryRegi= on **ram_memory) =20 state->memory_listener =3D xen_memory_listener; memory_listener_register(&state->memory_listener, &address_space_memor= y); - state->log_for_dirtybit =3D NULL; =20 state->io_listener =3D xen_io_listener; memory_listener_register(&state->io_listener, &address_space_io); @@ -1487,19 +1483,19 @@ void xen_hvm_init_pc(PCMachineState *pcms, MemoryRe= gion **ram_memory) QLIST_INIT(&xen_physmap); xen_read_physmap(state); =20 - state->suspend.notify =3D xen_suspend_notifier; - qemu_register_suspend_notifier(&state->suspend); + suspend.notify =3D xen_suspend_notifier; + qemu_register_suspend_notifier(&suspend); =20 - state->wakeup.notify =3D xen_wakeup_notifier; - qemu_register_wakeup_notifier(&state->wakeup); + wakeup.notify =3D xen_wakeup_notifier; + qemu_register_wakeup_notifier(&wakeup); =20 rc =3D xen_get_vmport_regs_pfn(xen_xc, xen_domid, &ioreq_pfn); if (!rc) { DPRINTF("shared vmport page at pfn %lx\n", ioreq_pfn); - state->shared_vmport_page =3D + shared_vmport_page =3D xenforeignmemory_map(xen_fmem, xen_domid, PROT_READ|PROT_WRITE, 1, &ioreq_pfn, NULL); - if (state->shared_vmport_page =3D=3D NULL) { + if (shared_vmport_page =3D=3D NULL) { error_report("map shared vmport IO page returned error %d hand= le=3D%p", errno, xen_xc); goto err; --=20 2.17.1