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Thu, 28 Jan 2021 17:49:18 -0800 (PST) From: Oleksandr Tyshchenko To: xen-devel@lists.xenproject.org Cc: Oleksandr Tyshchenko , Paul Durrant , Jan Beulich , Andrew Cooper , =?utf-8?q?Roger_Pau_Monn=C3=A9?= , Wei Liu , George Dunlap , Ian Jackson , Julien Grall , Stefano Stabellini , Jun Nakajima , Kevin Tian , Julien Grall Subject: [PATCH V6 12/24] xen/ioreq: Remove "hvm" prefixes from involved function names Date: Fri, 29 Jan 2021 03:48:40 +0200 Message-Id: <1611884932-1851-13-git-send-email-olekstysh@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1611884932-1851-1-git-send-email-olekstysh@gmail.com> References: <1611884932-1851-1-git-send-email-olekstysh@gmail.com> From: Oleksandr Tyshchenko This patch removes "hvm" prefixes and infixes from IOREQ related function names in the common code and performs a renaming where appropriate according to the more consistent new naming scheme: - IOREQ server functions should start with "ioreq_server_" - IOREQ functions should start with "ioreq_" A few function names are clarified to better fit into their purposes: handle_hvm_io_completion -> vcpu_ioreq_handle_completion hvm_io_pending -> vcpu_ioreq_pending hvm_ioreq_init -> ioreq_domain_init hvm_alloc_ioreq_mfn -> ioreq_server_alloc_mfn hvm_free_ioreq_mfn -> ioreq_server_free_mfn Signed-off-by: Oleksandr Tyshchenko Reviewed-by: Jan Beulich Reviewed-by: Paul Durrant CC: Julien Grall [On Arm only] Tested-by: Wei Chen --- Please note, this is a split/cleanup/hardening of Julien's PoC: "Add support for Guest IO forwarding to a device emulator" Changes V1 -> V2: - new patch Changes V2 -> V3: - update patch according the "legacy interface" is x86 specific - update patch description - rename everything touched according to new naming scheme Changes V3 -> V4: - rebase - rename ioreq_update_evtchn() to ioreq_server_update_evtchn() - add Jan's R-b Changes V4 -> V5: - rebase - add Paul's R-b Changes V5 -> V6: - no changes --- --- xen/arch/x86/hvm/emulate.c | 6 +- xen/arch/x86/hvm/hvm.c | 10 ++-- xen/arch/x86/hvm/io.c | 6 +- xen/arch/x86/hvm/ioreq.c | 2 +- xen/arch/x86/hvm/stdvga.c | 4 +- xen/arch/x86/hvm/vmx/vvmx.c | 2 +- xen/common/ioreq.c | 138 ++++++++++++++++++++++---------------------- xen/common/memory.c | 2 +- xen/include/xen/ioreq.h | 26 ++++----- 9 files changed, 98 insertions(+), 98 deletions(-) diff --git a/xen/arch/x86/hvm/emulate.c b/xen/arch/x86/hvm/emulate.c index 21051ce..425c8dd 100644 --- a/xen/arch/x86/hvm/emulate.c +++ b/xen/arch/x86/hvm/emulate.c @@ -261,7 +261,7 @@ static int hvmemul_do_io( * an ioreq server that can handle it. * * Rules: - * A> PIO or MMIO accesses run through hvm_select_ioreq_server() to + * A> PIO or MMIO accesses run through ioreq_server_select() to * choose the ioreq server by range. If no server is found, the access * is ignored. * @@ -323,7 +323,7 @@ static int hvmemul_do_io( } if ( !s ) - s = hvm_select_ioreq_server(currd, &p); + s = ioreq_server_select(currd, &p); /* If there is no suitable backing DM, just ignore accesses */ if ( !s ) @@ -333,7 +333,7 @@ static int hvmemul_do_io( } else { - rc = hvm_send_ioreq(s, &p, 0); + rc = ioreq_send(s, &p, 0); if ( rc != X86EMUL_RETRY || currd->is_shutting_down ) vio->req.state = STATE_IOREQ_NONE; else if ( !ioreq_needs_completion(&vio->req) ) diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c index 4ed929c..0d7bb42 100644 --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -546,7 +546,7 @@ void hvm_do_resume(struct vcpu *v) pt_restore_timer(v); - if ( !handle_hvm_io_completion(v) ) + if ( !vcpu_ioreq_handle_completion(v) ) return; if ( unlikely(v->arch.vm_event) ) @@ -677,7 +677,7 @@ int hvm_domain_initialise(struct domain *d) register_g2m_portio_handler(d); register_vpci_portio_handler(d); - hvm_ioreq_init(d); + ioreq_domain_init(d); hvm_init_guest_time(d); @@ -739,7 +739,7 @@ void hvm_domain_relinquish_resources(struct domain *d) viridian_domain_deinit(d); - hvm_destroy_all_ioreq_servers(d); + ioreq_server_destroy_all(d); msixtbl_pt_cleanup(d); @@ -1582,7 +1582,7 @@ int hvm_vcpu_initialise(struct vcpu *v) if ( rc ) goto fail5; - rc = hvm_all_ioreq_servers_add_vcpu(d, v); + rc = ioreq_server_add_vcpu_all(d, v); if ( rc != 0 ) goto fail6; @@ -1618,7 +1618,7 @@ void hvm_vcpu_destroy(struct vcpu *v) { viridian_vcpu_deinit(v); - hvm_all_ioreq_servers_remove_vcpu(v->domain, v); + ioreq_server_remove_vcpu_all(v->domain, v); if ( hvm_altp2m_supported() ) altp2m_vcpu_destroy(v); diff --git a/xen/arch/x86/hvm/io.c b/xen/arch/x86/hvm/io.c index dd733e1..66a37ee 100644 --- a/xen/arch/x86/hvm/io.c +++ b/xen/arch/x86/hvm/io.c @@ -60,7 +60,7 @@ void send_timeoffset_req(unsigned long timeoff) if ( timeoff == 0 ) return; - if ( hvm_broadcast_ioreq(&p, true) != 0 ) + if ( ioreq_broadcast(&p, true) != 0 ) gprintk(XENLOG_ERR, "Unsuccessful timeoffset update\n"); } @@ -74,7 +74,7 @@ void send_invalidate_req(void) .data = ~0UL, /* flush all */ }; - if ( hvm_broadcast_ioreq(&p, false) != 0 ) + if ( ioreq_broadcast(&p, false) != 0 ) gprintk(XENLOG_ERR, "Unsuccessful map-cache invalidate\n"); } @@ -155,7 +155,7 @@ bool handle_pio(uint16_t port, unsigned int size, int dir) * We should not advance RIP/EIP if the domain is shutting down or * if X86EMUL_RETRY has been returned by an internal handler. */ - if ( curr->domain->is_shutting_down || !hvm_io_pending(curr) ) + if ( curr->domain->is_shutting_down || !vcpu_ioreq_pending(curr) ) return false; break; diff --git a/xen/arch/x86/hvm/ioreq.c b/xen/arch/x86/hvm/ioreq.c index 62a4b33..02ad9db 100644 --- a/xen/arch/x86/hvm/ioreq.c +++ b/xen/arch/x86/hvm/ioreq.c @@ -153,7 +153,7 @@ static int hvm_map_ioreq_gfn(struct ioreq_server *s, bool buf) { /* * If a page has already been allocated (which will happen on - * demand if hvm_get_ioreq_server_frame() is called), then + * demand if ioreq_server_get_frame() is called), then * mapping a guest frame is not permitted. */ if ( gfn_eq(iorp->gfn, INVALID_GFN) ) diff --git a/xen/arch/x86/hvm/stdvga.c b/xen/arch/x86/hvm/stdvga.c index ee13449..ab9781d 100644 --- a/xen/arch/x86/hvm/stdvga.c +++ b/xen/arch/x86/hvm/stdvga.c @@ -507,11 +507,11 @@ static int stdvga_mem_write(const struct hvm_io_handler *handler, } done: - srv = hvm_select_ioreq_server(current->domain, &p); + srv = ioreq_server_select(current->domain, &p); if ( !srv ) return X86EMUL_UNHANDLEABLE; - return hvm_send_ioreq(srv, &p, 1); + return ioreq_send(srv, &p, 1); } static bool_t stdvga_mem_accept(const struct hvm_io_handler *handler, diff --git a/xen/arch/x86/hvm/vmx/vvmx.c b/xen/arch/x86/hvm/vmx/vvmx.c index 0ddb6a4..e9f94da 100644 --- a/xen/arch/x86/hvm/vmx/vvmx.c +++ b/xen/arch/x86/hvm/vmx/vvmx.c @@ -1517,7 +1517,7 @@ void nvmx_switch_guest(void) * don't want to continue as this setup is not implemented nor supported * as of right now. */ - if ( hvm_io_pending(v) ) + if ( vcpu_ioreq_pending(v) ) return; /* * a softirq may interrupt us between a virtual vmentry is diff --git a/xen/common/ioreq.c b/xen/common/ioreq.c index ce3ef59..de3066a 100644 --- a/xen/common/ioreq.c +++ b/xen/common/ioreq.c @@ -59,7 +59,7 @@ static struct ioreq_server *get_ioreq_server(const struct domain *d, * Iterate over all possible ioreq servers. * * NOTE: The iteration is backwards such that more recently created - * ioreq servers are favoured in hvm_select_ioreq_server(). + * ioreq servers are favoured in ioreq_server_select(). * This is a semantic that previously existed when ioreq servers * were held in a linked list. */ @@ -106,12 +106,12 @@ static struct ioreq_vcpu *get_pending_vcpu(const struct vcpu *v, return NULL; } -bool hvm_io_pending(struct vcpu *v) +bool vcpu_ioreq_pending(struct vcpu *v) { return get_pending_vcpu(v, NULL); } -static bool hvm_wait_for_io(struct ioreq_vcpu *sv, ioreq_t *p) +static bool wait_for_io(struct ioreq_vcpu *sv, ioreq_t *p) { unsigned int prev_state = STATE_IOREQ_NONE; unsigned int state = p->state; @@ -168,7 +168,7 @@ static bool hvm_wait_for_io(struct ioreq_vcpu *sv, ioreq_t *p) return true; } -bool handle_hvm_io_completion(struct vcpu *v) +bool vcpu_ioreq_handle_completion(struct vcpu *v) { struct domain *d = v->domain; struct vcpu_io *vio = &v->io; @@ -183,7 +183,7 @@ bool handle_hvm_io_completion(struct vcpu *v) } sv = get_pending_vcpu(v, &s); - if ( sv && !hvm_wait_for_io(sv, get_ioreq(s, v)) ) + if ( sv && !wait_for_io(sv, get_ioreq(s, v)) ) return false; vio->req.state = ioreq_needs_completion(&vio->req) ? @@ -214,7 +214,7 @@ bool handle_hvm_io_completion(struct vcpu *v) return true; } -static int hvm_alloc_ioreq_mfn(struct ioreq_server *s, bool buf) +static int ioreq_server_alloc_mfn(struct ioreq_server *s, bool buf) { struct ioreq_page *iorp = buf ? &s->bufioreq : &s->ioreq; struct page_info *page; @@ -262,7 +262,7 @@ static int hvm_alloc_ioreq_mfn(struct ioreq_server *s, bool buf) return -ENOMEM; } -static void hvm_free_ioreq_mfn(struct ioreq_server *s, bool buf) +static void ioreq_server_free_mfn(struct ioreq_server *s, bool buf) { struct ioreq_page *iorp = buf ? &s->bufioreq : &s->ioreq; struct page_info *page = iorp->page; @@ -301,8 +301,8 @@ bool is_ioreq_server_page(struct domain *d, const struct page_info *page) return found; } -static void hvm_update_ioreq_evtchn(struct ioreq_server *s, - struct ioreq_vcpu *sv) +static void ioreq_server_update_evtchn(struct ioreq_server *s, + struct ioreq_vcpu *sv) { ASSERT(spin_is_locked(&s->lock)); @@ -314,8 +314,8 @@ static void hvm_update_ioreq_evtchn(struct ioreq_server *s, } } -static int hvm_ioreq_server_add_vcpu(struct ioreq_server *s, - struct vcpu *v) +static int ioreq_server_add_vcpu(struct ioreq_server *s, + struct vcpu *v) { struct ioreq_vcpu *sv; int rc; @@ -350,7 +350,7 @@ static int hvm_ioreq_server_add_vcpu(struct ioreq_server *s, list_add(&sv->list_entry, &s->ioreq_vcpu_list); if ( s->enabled ) - hvm_update_ioreq_evtchn(s, sv); + ioreq_server_update_evtchn(s, sv); spin_unlock(&s->lock); return 0; @@ -366,8 +366,8 @@ static int hvm_ioreq_server_add_vcpu(struct ioreq_server *s, return rc; } -static void hvm_ioreq_server_remove_vcpu(struct ioreq_server *s, - struct vcpu *v) +static void ioreq_server_remove_vcpu(struct ioreq_server *s, + struct vcpu *v) { struct ioreq_vcpu *sv; @@ -394,7 +394,7 @@ static void hvm_ioreq_server_remove_vcpu(struct ioreq_server *s, spin_unlock(&s->lock); } -static void hvm_ioreq_server_remove_all_vcpus(struct ioreq_server *s) +static void ioreq_server_remove_all_vcpus(struct ioreq_server *s) { struct ioreq_vcpu *sv, *next; @@ -420,28 +420,28 @@ static void hvm_ioreq_server_remove_all_vcpus(struct ioreq_server *s) spin_unlock(&s->lock); } -static int hvm_ioreq_server_alloc_pages(struct ioreq_server *s) +static int ioreq_server_alloc_pages(struct ioreq_server *s) { int rc; - rc = hvm_alloc_ioreq_mfn(s, false); + rc = ioreq_server_alloc_mfn(s, false); if ( !rc && (s->bufioreq_handling != HVM_IOREQSRV_BUFIOREQ_OFF) ) - rc = hvm_alloc_ioreq_mfn(s, true); + rc = ioreq_server_alloc_mfn(s, true); if ( rc ) - hvm_free_ioreq_mfn(s, false); + ioreq_server_free_mfn(s, false); return rc; } -static void hvm_ioreq_server_free_pages(struct ioreq_server *s) +static void ioreq_server_free_pages(struct ioreq_server *s) { - hvm_free_ioreq_mfn(s, true); - hvm_free_ioreq_mfn(s, false); + ioreq_server_free_mfn(s, true); + ioreq_server_free_mfn(s, false); } -static void hvm_ioreq_server_free_rangesets(struct ioreq_server *s) +static void ioreq_server_free_rangesets(struct ioreq_server *s) { unsigned int i; @@ -449,8 +449,8 @@ static void hvm_ioreq_server_free_rangesets(struct ioreq_server *s) rangeset_destroy(s->range[i]); } -static int hvm_ioreq_server_alloc_rangesets(struct ioreq_server *s, - ioservid_t id) +static int ioreq_server_alloc_rangesets(struct ioreq_server *s, + ioservid_t id) { unsigned int i; int rc; @@ -482,12 +482,12 @@ static int hvm_ioreq_server_alloc_rangesets(struct ioreq_server *s, return 0; fail: - hvm_ioreq_server_free_rangesets(s); + ioreq_server_free_rangesets(s); return rc; } -static void hvm_ioreq_server_enable(struct ioreq_server *s) +static void ioreq_server_enable(struct ioreq_server *s) { struct ioreq_vcpu *sv; @@ -503,13 +503,13 @@ static void hvm_ioreq_server_enable(struct ioreq_server *s) list_for_each_entry ( sv, &s->ioreq_vcpu_list, list_entry ) - hvm_update_ioreq_evtchn(s, sv); + ioreq_server_update_evtchn(s, sv); done: spin_unlock(&s->lock); } -static void hvm_ioreq_server_disable(struct ioreq_server *s) +static void ioreq_server_disable(struct ioreq_server *s) { spin_lock(&s->lock); @@ -524,9 +524,9 @@ static void hvm_ioreq_server_disable(struct ioreq_server *s) spin_unlock(&s->lock); } -static int hvm_ioreq_server_init(struct ioreq_server *s, - struct domain *d, int bufioreq_handling, - ioservid_t id) +static int ioreq_server_init(struct ioreq_server *s, + struct domain *d, int bufioreq_handling, + ioservid_t id) { struct domain *currd = current->domain; struct vcpu *v; @@ -544,7 +544,7 @@ static int hvm_ioreq_server_init(struct ioreq_server *s, s->ioreq.gfn = INVALID_GFN; s->bufioreq.gfn = INVALID_GFN; - rc = hvm_ioreq_server_alloc_rangesets(s, id); + rc = ioreq_server_alloc_rangesets(s, id); if ( rc ) return rc; @@ -552,7 +552,7 @@ static int hvm_ioreq_server_init(struct ioreq_server *s, for_each_vcpu ( d, v ) { - rc = hvm_ioreq_server_add_vcpu(s, v); + rc = ioreq_server_add_vcpu(s, v); if ( rc ) goto fail_add; } @@ -560,23 +560,23 @@ static int hvm_ioreq_server_init(struct ioreq_server *s, return 0; fail_add: - hvm_ioreq_server_remove_all_vcpus(s); + ioreq_server_remove_all_vcpus(s); arch_ioreq_server_unmap_pages(s); - hvm_ioreq_server_free_rangesets(s); + ioreq_server_free_rangesets(s); put_domain(s->emulator); return rc; } -static void hvm_ioreq_server_deinit(struct ioreq_server *s) +static void ioreq_server_deinit(struct ioreq_server *s) { ASSERT(!s->enabled); - hvm_ioreq_server_remove_all_vcpus(s); + ioreq_server_remove_all_vcpus(s); /* * NOTE: It is safe to call both arch_ioreq_server_unmap_pages() and - * hvm_ioreq_server_free_pages() in that order. + * ioreq_server_free_pages() in that order. * This is because the former will do nothing if the pages * are not mapped, leaving the page to be freed by the latter. * However if the pages are mapped then the former will set @@ -584,9 +584,9 @@ static void hvm_ioreq_server_deinit(struct ioreq_server *s) * nothing. */ arch_ioreq_server_unmap_pages(s); - hvm_ioreq_server_free_pages(s); + ioreq_server_free_pages(s); - hvm_ioreq_server_free_rangesets(s); + ioreq_server_free_rangesets(s); put_domain(s->emulator); } @@ -620,11 +620,11 @@ static int ioreq_server_create(struct domain *d, int bufioreq_handling, /* * It is safe to call set_ioreq_server() prior to - * hvm_ioreq_server_init() since the target domain is paused. + * ioreq_server_init() since the target domain is paused. */ set_ioreq_server(d, i, s); - rc = hvm_ioreq_server_init(s, d, bufioreq_handling, i); + rc = ioreq_server_init(s, d, bufioreq_handling, i); if ( rc ) { set_ioreq_server(d, i, NULL); @@ -668,13 +668,13 @@ static int ioreq_server_destroy(struct domain *d, ioservid_t id) arch_ioreq_server_destroy(s); - hvm_ioreq_server_disable(s); + ioreq_server_disable(s); /* - * It is safe to call hvm_ioreq_server_deinit() prior to + * It is safe to call ioreq_server_deinit() prior to * set_ioreq_server() since the target domain is paused. */ - hvm_ioreq_server_deinit(s); + ioreq_server_deinit(s); set_ioreq_server(d, id, NULL); domain_unpause(d); @@ -736,8 +736,8 @@ static int ioreq_server_get_info(struct domain *d, ioservid_t id, return rc; } -int hvm_get_ioreq_server_frame(struct domain *d, ioservid_t id, - unsigned long idx, mfn_t *mfn) +int ioreq_server_get_frame(struct domain *d, ioservid_t id, + unsigned long idx, mfn_t *mfn) { struct ioreq_server *s; int rc; @@ -756,7 +756,7 @@ int hvm_get_ioreq_server_frame(struct domain *d, ioservid_t id, if ( s->emulator != current->domain ) goto out; - rc = hvm_ioreq_server_alloc_pages(s); + rc = ioreq_server_alloc_pages(s); if ( rc ) goto out; @@ -955,9 +955,9 @@ static int ioreq_server_set_state(struct domain *d, ioservid_t id, domain_pause(d); if ( enabled ) - hvm_ioreq_server_enable(s); + ioreq_server_enable(s); else - hvm_ioreq_server_disable(s); + ioreq_server_disable(s); domain_unpause(d); @@ -968,7 +968,7 @@ static int ioreq_server_set_state(struct domain *d, ioservid_t id, return rc; } -int hvm_all_ioreq_servers_add_vcpu(struct domain *d, struct vcpu *v) +int ioreq_server_add_vcpu_all(struct domain *d, struct vcpu *v) { struct ioreq_server *s; unsigned int id; @@ -978,7 +978,7 @@ int hvm_all_ioreq_servers_add_vcpu(struct domain *d, struct vcpu *v) FOR_EACH_IOREQ_SERVER(d, id, s) { - rc = hvm_ioreq_server_add_vcpu(s, v); + rc = ioreq_server_add_vcpu(s, v); if ( rc ) goto fail; } @@ -995,7 +995,7 @@ int hvm_all_ioreq_servers_add_vcpu(struct domain *d, struct vcpu *v) if ( !s ) continue; - hvm_ioreq_server_remove_vcpu(s, v); + ioreq_server_remove_vcpu(s, v); } spin_unlock_recursive(&d->ioreq_server.lock); @@ -1003,7 +1003,7 @@ int hvm_all_ioreq_servers_add_vcpu(struct domain *d, struct vcpu *v) return rc; } -void hvm_all_ioreq_servers_remove_vcpu(struct domain *d, struct vcpu *v) +void ioreq_server_remove_vcpu_all(struct domain *d, struct vcpu *v) { struct ioreq_server *s; unsigned int id; @@ -1011,12 +1011,12 @@ void hvm_all_ioreq_servers_remove_vcpu(struct domain *d, struct vcpu *v) spin_lock_recursive(&d->ioreq_server.lock); FOR_EACH_IOREQ_SERVER(d, id, s) - hvm_ioreq_server_remove_vcpu(s, v); + ioreq_server_remove_vcpu(s, v); spin_unlock_recursive(&d->ioreq_server.lock); } -void hvm_destroy_all_ioreq_servers(struct domain *d) +void ioreq_server_destroy_all(struct domain *d) { struct ioreq_server *s; unsigned int id; @@ -1030,13 +1030,13 @@ void hvm_destroy_all_ioreq_servers(struct domain *d) FOR_EACH_IOREQ_SERVER(d, id, s) { - hvm_ioreq_server_disable(s); + ioreq_server_disable(s); /* - * It is safe to call hvm_ioreq_server_deinit() prior to + * It is safe to call ioreq_server_deinit() prior to * set_ioreq_server() since the target domain is being destroyed. */ - hvm_ioreq_server_deinit(s); + ioreq_server_deinit(s); set_ioreq_server(d, id, NULL); xfree(s); @@ -1045,8 +1045,8 @@ void hvm_destroy_all_ioreq_servers(struct domain *d) spin_unlock_recursive(&d->ioreq_server.lock); } -struct ioreq_server *hvm_select_ioreq_server(struct domain *d, - ioreq_t *p) +struct ioreq_server *ioreq_server_select(struct domain *d, + ioreq_t *p) { struct ioreq_server *s; uint8_t type; @@ -1101,7 +1101,7 @@ struct ioreq_server *hvm_select_ioreq_server(struct domain *d, return NULL; } -static int hvm_send_buffered_ioreq(struct ioreq_server *s, ioreq_t *p) +static int ioreq_send_buffered(struct ioreq_server *s, ioreq_t *p) { struct domain *d = current->domain; struct ioreq_page *iorp; @@ -1194,8 +1194,8 @@ static int hvm_send_buffered_ioreq(struct ioreq_server *s, ioreq_t *p) return IOREQ_STATUS_HANDLED; } -int hvm_send_ioreq(struct ioreq_server *s, ioreq_t *proto_p, - bool buffered) +int ioreq_send(struct ioreq_server *s, ioreq_t *proto_p, + bool buffered) { struct vcpu *curr = current; struct domain *d = curr->domain; @@ -1204,7 +1204,7 @@ int hvm_send_ioreq(struct ioreq_server *s, ioreq_t *proto_p, ASSERT(s); if ( buffered ) - return hvm_send_buffered_ioreq(s, proto_p); + return ioreq_send_buffered(s, proto_p); if ( unlikely(!vcpu_start_shutdown_deferral(curr)) ) return IOREQ_STATUS_RETRY; @@ -1254,7 +1254,7 @@ int hvm_send_ioreq(struct ioreq_server *s, ioreq_t *proto_p, return IOREQ_STATUS_UNHANDLED; } -unsigned int hvm_broadcast_ioreq(ioreq_t *p, bool buffered) +unsigned int ioreq_broadcast(ioreq_t *p, bool buffered) { struct domain *d = current->domain; struct ioreq_server *s; @@ -1265,14 +1265,14 @@ unsigned int hvm_broadcast_ioreq(ioreq_t *p, bool buffered) if ( !s->enabled ) continue; - if ( hvm_send_ioreq(s, p, buffered) == IOREQ_STATUS_UNHANDLED ) + if ( ioreq_send(s, p, buffered) == IOREQ_STATUS_UNHANDLED ) failed++; } return failed; } -void hvm_ioreq_init(struct domain *d) +void ioreq_domain_init(struct domain *d) { spin_lock_init(&d->ioreq_server.lock); diff --git a/xen/common/memory.c b/xen/common/memory.c index 2f274a6..8eb05b1 100644 --- a/xen/common/memory.c +++ b/xen/common/memory.c @@ -1113,7 +1113,7 @@ static int acquire_ioreq_server(struct domain *d, { mfn_t mfn; - rc = hvm_get_ioreq_server_frame(d, id, frame + i, &mfn); + rc = ioreq_server_get_frame(d, id, frame + i, &mfn); if ( rc ) return rc; diff --git a/xen/include/xen/ioreq.h b/xen/include/xen/ioreq.h index eace1d3..0b433e2 100644 --- a/xen/include/xen/ioreq.h +++ b/xen/include/xen/ioreq.h @@ -83,26 +83,26 @@ static inline bool ioreq_needs_completion(const ioreq_t *ioreq) #define HANDLE_BUFIOREQ(s) \ ((s)->bufioreq_handling != HVM_IOREQSRV_BUFIOREQ_OFF) -bool hvm_io_pending(struct vcpu *v); -bool handle_hvm_io_completion(struct vcpu *v); +bool vcpu_ioreq_pending(struct vcpu *v); +bool vcpu_ioreq_handle_completion(struct vcpu *v); bool is_ioreq_server_page(struct domain *d, const struct page_info *page); -int hvm_get_ioreq_server_frame(struct domain *d, ioservid_t id, - unsigned long idx, mfn_t *mfn); +int ioreq_server_get_frame(struct domain *d, ioservid_t id, + unsigned long idx, mfn_t *mfn); int ioreq_server_map_mem_type(struct domain *d, ioservid_t id, uint32_t type, uint32_t flags); -int hvm_all_ioreq_servers_add_vcpu(struct domain *d, struct vcpu *v); -void hvm_all_ioreq_servers_remove_vcpu(struct domain *d, struct vcpu *v); -void hvm_destroy_all_ioreq_servers(struct domain *d); +int ioreq_server_add_vcpu_all(struct domain *d, struct vcpu *v); +void ioreq_server_remove_vcpu_all(struct domain *d, struct vcpu *v); +void ioreq_server_destroy_all(struct domain *d); -struct ioreq_server *hvm_select_ioreq_server(struct domain *d, - ioreq_t *p); -int hvm_send_ioreq(struct ioreq_server *s, ioreq_t *proto_p, - bool buffered); -unsigned int hvm_broadcast_ioreq(ioreq_t *p, bool buffered); +struct ioreq_server *ioreq_server_select(struct domain *d, + ioreq_t *p); +int ioreq_send(struct ioreq_server *s, ioreq_t *proto_p, + bool buffered); +unsigned int ioreq_broadcast(ioreq_t *p, bool buffered); -void hvm_ioreq_init(struct domain *d); +void ioreq_domain_init(struct domain *d); int ioreq_server_dm_op(struct xen_dm_op *op, struct domain *d, bool *const_op);