[PATCH v2 2/7] xen: rename dom0_op to platform_op

Stefano Stabellini
2015-11-10T11:57:50Z

The dom0_op hypercall has been renamed to platform_op since Xen 3.2,
which is ancient, and modern upstream Linux kernels cannot run as dom0
and it anymore anyway.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
CC: konrad.wilk at oracle.com
CC: david.vrabel at citrix.com
CC: boris.ostrovsky at oracle.com
---
arch/x86/include/asm/xen/hypercall.h | 6 +++---
arch/x86/xen/apic.c | 2 +-
arch/x86/xen/enlighten.c | 8 ++++----
arch/x86/xen/time.c | 2 +-
drivers/xen/acpi.c | 2 +-
drivers/xen/efi.c | 30 +++++++++++++++---------------
drivers/xen/pcpu.c | 8 ++++----
drivers/xen/xen-acpi-cpuhotplug.c | 2 +-
drivers/xen/xen-acpi-pad.c | 4 ++--
drivers/xen/xen-acpi-processor.c | 8 ++++----
drivers/xen/xenfs/xensyms.c | 4 ++--
include/xen/interface/xen.h | 2 +-
12 files changed, 39 insertions(+), 39 deletions(-)

diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index 4c20dd3..3bcdcc8 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -310,10 +310,10 @@ HYPERVISOR_mca(struct xen_mc *mc_op)
}

static inline int
-HYPERVISOR_dom0_op(struct xen_platform_op *platform_op)
+HYPERVISOR_platform_op(struct xen_platform_op *op)
{
- platform_op->interface_version = XENPF_INTERFACE_VERSION;
- return _hypercall1(int, dom0_op, platform_op);
+ op->interface_version = XENPF_INTERFACE_VERSION;
+ return _hypercall1(int, platform_op, op);
}

static inline int
diff --git a/arch/x86/xen/apic.c b/arch/x86/xen/apic.c
index acda713..abf4901 100644
--- a/arch/x86/xen/apic.c
+++ b/arch/x86/xen/apic.c
@@ -64,7 +64,7 @@ static u32 xen_apic_read(u32 reg)
if (reg != APIC_ID)
return 0;

- ret = HYPERVISOR_dom0_op(&op);
+ ret = HYPERVISOR_platform_op(&op);
if (ret)
return 0;

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 5774800..f963c40 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -415,7 +415,7 @@ static bool __init xen_check_mwait(void)

set_xen_guest_handle(op.u.set_pminfo.pdc, buf);

- if ((HYPERVISOR_dom0_op(&op) == 0) &&
+ if ((HYPERVISOR_platform_op(&op) == 0) &&
(buf[2] & (ACPI_PDC_C_C1_FFH | ACPI_PDC_C_C2C3_FFH))) {
cpuid_leaf5_ecx_val = cx;
cpuid_leaf5_edx_val = dx;
@@ -1374,7 +1374,7 @@ static void __init xen_boot_params_init_edd(void)
info->params.length = sizeof(info->params);
set_xen_guest_handle(op.u.firmware_info.u.disk_info.edd_params,
&info->params);
- ret = HYPERVISOR_dom0_op(&op);
+ ret = HYPERVISOR_platform_op(&op);
if (ret)
break;

@@ -1392,7 +1392,7 @@ static void __init xen_boot_params_init_edd(void)
op.u.firmware_info.type = XEN_FW_DISK_MBR_SIGNATURE;
for (nr = 0; nr < EDD_MBR_SIG_MAX; nr++) {
op.u.firmware_info.index = nr;
- ret = HYPERVISOR_dom0_op(&op);
+ ret = HYPERVISOR_platform_op(&op);
if (ret)
break;
mbr_signature[nr] = op.u.firmware_info.u.disk_mbr_signature.mbr_signature;
@@ -1698,7 +1698,7 @@ asmlinkage __visible void __init xen_start_kernel(void)
xen_start_info->console.domU.mfn = 0;
xen_start_info->console.domU.evtchn = 0;

- if (HYPERVISOR_dom0_op(&op) == 0)
+ if (HYPERVISOR_platform_op(&op) == 0)
boot_params.kbd_status = op.u.firmware_info.u.kbd_shift_flags;

/* Make sure ACS will be enabled */
diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c
index 041d4cd..663c2ea 100644
--- a/arch/x86/xen/time.c
+++ b/arch/x86/xen/time.c
@@ -139,7 +139,7 @@ static int xen_pvclock_gtod_notify(struct notifier_block *nb,
op.u.settime.nsecs = now.tv_nsec;
op.u.settime.system_time = xen_clocksource_read();

- (void)HYPERVISOR_dom0_op(&op);
+ (void)HYPERVISOR_platform_op(&op);

/*
* Move the next drift compensation time 11 minutes
diff --git a/drivers/xen/acpi.c b/drivers/xen/acpi.c
index 90307c0..6893c79 100644
--- a/drivers/xen/acpi.c
+++ b/drivers/xen/acpi.c
@@ -58,7 +58,7 @@ static int xen_acpi_notify_hypervisor_state(u8 sleep_state,
bits, val_a, val_b))
return -1;

- HYPERVISOR_dom0_op(&op);
+ HYPERVISOR_platform_op(&op);
return 1;
}

diff --git a/drivers/xen/efi.c b/drivers/xen/efi.c
index f745db2..be7e56a 100644
--- a/drivers/xen/efi.c
+++ b/drivers/xen/efi.c
@@ -42,7 +42,7 @@ static efi_status_t xen_efi_get_time(efi_time_t *tm, efi_time_cap_t *tc)
{
struct xen_platform_op op = INIT_EFI_OP(get_time);

- if (HYPERVISOR_dom0_op(&op) < 0)
+ if (HYPERVISOR_platform_op(&op) < 0)
return EFI_UNSUPPORTED;

if (tm) {
@@ -67,7 +67,7 @@ static efi_status_t xen_efi_set_time(efi_time_t *tm)
BUILD_BUG_ON(sizeof(*tm) != sizeof(efi_data(op).u.set_time));
memcpy(&efi_data(op).u.set_time, tm, sizeof(*tm));

- if (HYPERVISOR_dom0_op(&op) < 0)
+ if (HYPERVISOR_platform_op(&op) < 0)
return EFI_UNSUPPORTED;

return efi_data(op).status;
@@ -79,7 +79,7 @@ static efi_status_t xen_efi_get_wakeup_time(efi_bool_t *enabled,
{
struct xen_platform_op op = INIT_EFI_OP(get_wakeup_time);

- if (HYPERVISOR_dom0_op(&op) < 0)
+ if (HYPERVISOR_platform_op(&op) < 0)
return EFI_UNSUPPORTED;

if (tm) {
@@ -108,7 +108,7 @@ static efi_status_t xen_efi_set_wakeup_time(efi_bool_t enabled, efi_time_t *tm)
else
efi_data(op).misc |= XEN_EFI_SET_WAKEUP_TIME_ENABLE_ONLY;

- if (HYPERVISOR_dom0_op(&op) < 0)
+ if (HYPERVISOR_platform_op(&op) < 0)
return EFI_UNSUPPORTED;

return efi_data(op).status;
@@ -129,7 +129,7 @@ static efi_status_t xen_efi_get_variable(efi_char16_t *name,
efi_data(op).u.get_variable.size = *data_size;
set_xen_guest_handle(efi_data(op).u.get_variable.data, data);

- if (HYPERVISOR_dom0_op(&op) < 0)
+ if (HYPERVISOR_platform_op(&op) < 0)
return EFI_UNSUPPORTED;

*data_size = efi_data(op).u.get_variable.size;
@@ -152,7 +152,7 @@ static efi_status_t xen_efi_get_next_variable(unsigned long *name_size,
memcpy(&efi_data(op).u.get_next_variable_name.vendor_guid, vendor,
sizeof(*vendor));

- if (HYPERVISOR_dom0_op(&op) < 0)
+ if (HYPERVISOR_platform_op(&op) < 0)
return EFI_UNSUPPORTED;

*name_size = efi_data(op).u.get_next_variable_name.size;
@@ -178,7 +178,7 @@ static efi_status_t xen_efi_set_variable(efi_char16_t *name,
efi_data(op).u.set_variable.size = data_size;
set_xen_guest_handle(efi_data(op).u.set_variable.data, data);

- if (HYPERVISOR_dom0_op(&op) < 0)
+ if (HYPERVISOR_platform_op(&op) < 0)
return EFI_UNSUPPORTED;

return efi_data(op).status;
@@ -196,7 +196,7 @@ static efi_status_t xen_efi_query_variable_info(u32 attr,

efi_data(op).u.query_variable_info.attr = attr;

- if (HYPERVISOR_dom0_op(&op) < 0)
+ if (HYPERVISOR_platform_op(&op) < 0)
return EFI_UNSUPPORTED;

*storage_space = efi_data(op).u.query_variable_info.max_store_size;
@@ -210,7 +210,7 @@ static efi_status_t xen_efi_get_next_high_mono_count(u32 *count)
{
struct xen_platform_op op = INIT_EFI_OP(get_next_high_monotonic_count);

- if (HYPERVISOR_dom0_op(&op) < 0)
+ if (HYPERVISOR_platform_op(&op) < 0)
return EFI_UNSUPPORTED;

*count = efi_data(op).misc;
@@ -232,7 +232,7 @@ static efi_status_t xen_efi_update_capsule(efi_capsule_header_t **capsules,
efi_data(op).u.update_capsule.capsule_count = count;
efi_data(op).u.update_capsule.sg_list = sg_list;

- if (HYPERVISOR_dom0_op(&op) < 0)
+ if (HYPERVISOR_platform_op(&op) < 0)
return EFI_UNSUPPORTED;

return efi_data(op).status;
@@ -252,7 +252,7 @@ static efi_status_t xen_efi_query_capsule_caps(efi_capsule_header_t **capsules,
capsules);
efi_data(op).u.query_capsule_capabilities.capsule_count = count;

- if (HYPERVISOR_dom0_op(&op) < 0)
+ if (HYPERVISOR_platform_op(&op) < 0)
return EFI_UNSUPPORTED;

*max_size = efi_data(op).u.query_capsule_capabilities.max_capsule_size;
@@ -331,7 +331,7 @@ efi_system_table_t __init *xen_efi_probe(void)
};
union xenpf_efi_info *info = &op.u.firmware_info.u.efi_info;

- if (!xen_initial_domain() || HYPERVISOR_dom0_op(&op) < 0)
+ if (!xen_initial_domain() || HYPERVISOR_platform_op(&op) < 0)
return NULL;

/* Here we know that Xen runs on EFI platform. */
@@ -347,7 +347,7 @@ efi_system_table_t __init *xen_efi_probe(void)
info->vendor.bufsz = sizeof(vendor);
set_xen_guest_handle(info->vendor.name, vendor);

- if (HYPERVISOR_dom0_op(&op) == 0) {
+ if (HYPERVISOR_platform_op(&op) == 0) {
efi_systab_xen.fw_vendor = __pa_symbol(vendor);
efi_systab_xen.fw_revision = info->vendor.revision;
} else
@@ -357,14 +357,14 @@ efi_system_table_t __init *xen_efi_probe(void)
op.u.firmware_info.type = XEN_FW_EFI_INFO;
op.u.firmware_info.index = XEN_FW_EFI_VERSION;

- if (HYPERVISOR_dom0_op(&op) == 0)
+ if (HYPERVISOR_platform_op(&op) == 0)
efi_systab_xen.hdr.revision = info->version;

op.cmd = XENPF_firmware_info;
op.u.firmware_info.type = XEN_FW_EFI_INFO;
op.u.firmware_info.index = XEN_FW_EFI_RT_VERSION;

- if (HYPERVISOR_dom0_op(&op) == 0)
+ if (HYPERVISOR_platform_op(&op) == 0)
efi.runtime_version = info->version;

return &efi_systab_xen;
diff --git a/drivers/xen/pcpu.c b/drivers/xen/pcpu.c
index 49e88f2..cdc6daa 100644
--- a/drivers/xen/pcpu.c
+++ b/drivers/xen/pcpu.c
@@ -78,7 +78,7 @@ static int xen_pcpu_down(uint32_t cpu_id)
.u.cpu_ol.cpuid = cpu_id,
};

- return HYPERVISOR_dom0_op(&op);
+ return HYPERVISOR_platform_op(&op);
}

static int xen_pcpu_up(uint32_t cpu_id)
@@ -89,7 +89,7 @@ static int xen_pcpu_up(uint32_t cpu_id)
.u.cpu_ol.cpuid = cpu_id,
};

- return HYPERVISOR_dom0_op(&op);
+ return HYPERVISOR_platform_op(&op);
}

static ssize_t show_online(struct device *dev,
@@ -277,7 +277,7 @@ static int sync_pcpu(uint32_t cpu, uint32_t *max_cpu)
.u.pcpu_info.xen_cpuid = cpu,
};

- ret = HYPERVISOR_dom0_op(&op);
+ ret = HYPERVISOR_platform_op(&op);
if (ret)
return ret;

@@ -364,7 +364,7 @@ int xen_pcpu_id(uint32_t acpi_id)
op.cmd = XENPF_get_cpuinfo;
while (cpu_id <= max_id) {
op.u.pcpu_info.xen_cpuid = cpu_id;
- if (HYPERVISOR_dom0_op(&op)) {
+ if (HYPERVISOR_platform_op(&op)) {
cpu_id++;
continue;
}
diff --git a/drivers/xen/xen-acpi-cpuhotplug.c b/drivers/xen/xen-acpi-cpuhotplug.c
index f4a3694..fdc9e67 100644
--- a/drivers/xen/xen-acpi-cpuhotplug.c
+++ b/drivers/xen/xen-acpi-cpuhotplug.c
@@ -206,7 +206,7 @@ static int xen_hotadd_cpu(struct acpi_processor *pr)
op.u.cpu_add.acpi_id = pr->acpi_id;
op.u.cpu_add.pxm = pxm;

- cpu_id = HYPERVISOR_dom0_op(&op);
+ cpu_id = HYPERVISOR_platform_op(&op);
if (cpu_id < 0)
pr_err(PREFIX "Failed to hotadd CPU for acpi_id %d\n",
pr->acpi_id);
diff --git a/drivers/xen/xen-acpi-pad.c b/drivers/xen/xen-acpi-pad.c
index f83b754..23d1808 100644
--- a/drivers/xen/xen-acpi-pad.c
+++ b/drivers/xen/xen-acpi-pad.c
@@ -36,7 +36,7 @@ static int xen_acpi_pad_idle_cpus(unsigned int idle_nums)
op.u.core_parking.type = XEN_CORE_PARKING_SET;
op.u.core_parking.idle_nums = idle_nums;

- return HYPERVISOR_dom0_op(&op);
+ return HYPERVISOR_platform_op(&op);
}

static int xen_acpi_pad_idle_cpus_num(void)
@@ -46,7 +46,7 @@ static int xen_acpi_pad_idle_cpus_num(void)
op.cmd = XENPF_core_parking;
op.u.core_parking.type = XEN_CORE_PARKING_GET;

- return HYPERVISOR_dom0_op(&op)
+ return HYPERVISOR_platform_op(&op)
?: op.u.core_parking.idle_nums;
}

diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c
index 70fa438..076970a 100644
--- a/drivers/xen/xen-acpi-processor.c
+++ b/drivers/xen/xen-acpi-processor.c
@@ -116,7 +116,7 @@ static int push_cxx_to_hypervisor(struct acpi_processor *_pr)
set_xen_guest_handle(op.u.set_pminfo.power.states, dst_cx_states);

if (!no_hypercall)
- ret = HYPERVISOR_dom0_op(&op);
+ ret = HYPERVISOR_platform_op(&op);

if (!ret) {
pr_debug("ACPI CPU%u - C-states uploaded.\n", _pr->acpi_id);
@@ -244,7 +244,7 @@ static int push_pxx_to_hypervisor(struct acpi_processor *_pr)
}

if (!no_hypercall)
- ret = HYPERVISOR_dom0_op(&op);
+ ret = HYPERVISOR_platform_op(&op);

if (!ret) {
struct acpi_processor_performance *perf;
@@ -302,7 +302,7 @@ static unsigned int __init get_max_acpi_id(void)
info = &op.u.pcpu_info;
info->xen_cpuid = 0;

- ret = HYPERVISOR_dom0_op(&op);
+ ret = HYPERVISOR_platform_op(&op);
if (ret)
return NR_CPUS;

@@ -310,7 +310,7 @@ static unsigned int __init get_max_acpi_id(void)
last_cpu = op.u.pcpu_info.max_present;
for (i = 0; i <= last_cpu; i++) {
info->xen_cpuid = i;
- ret = HYPERVISOR_dom0_op(&op);
+ ret = HYPERVISOR_platform_op(&op);
if (ret)
continue;
max_acpi_id = max(info->acpi_id, max_acpi_id);
diff --git a/drivers/xen/xenfs/xensyms.c b/drivers/xen/xenfs/xensyms.c
index f8b1285..a03f261 100644
--- a/drivers/xen/xenfs/xensyms.c
+++ b/drivers/xen/xenfs/xensyms.c
@@ -31,7 +31,7 @@ static int xensyms_next_sym(struct xensyms *xs)

symnum = symdata->symnum;

- ret = HYPERVISOR_dom0_op(&xs->op);
+ ret = HYPERVISOR_platform_op(&xs->op);
if (ret < 0)
return ret;

@@ -50,7 +50,7 @@ static int xensyms_next_sym(struct xensyms *xs)
set_xen_guest_handle(symdata->name, xs->name);
symdata->symnum--; /* Rewind */

- ret = HYPERVISOR_dom0_op(&xs->op);
+ ret = HYPERVISOR_platform_op(&xs->op);
if (ret < 0)
return ret;
}
diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h
index 167071c..d133112 100644
--- a/include/xen/interface/xen.h
+++ b/include/xen/interface/xen.h
@@ -48,7 +48,7 @@
#define __HYPERVISOR_set_callbacks 4
#define __HYPERVISOR_fpu_taskswitch 5
#define __HYPERVISOR_sched_op_compat 6
-#define __HYPERVISOR_dom0_op 7
+#define __HYPERVISOR_platform_op 7
#define __HYPERVISOR_set_debugreg 8
#define __HYPERVISOR_get_debugreg 9
#define __HYPERVISOR_update_descriptor 10
--
1.7.10.4