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path: root/package/kernel/linux/modules/i2c.mk
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#
# Copyright (C) 2006-2009 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

I2C_MENU:=I2C support

ModuleConfVar=$(word 1,$(subst :,$(space),$(1)))
ModuleFullPath=$(LINUX_DIR)/$(word 2,$(subst :,$(space),$(1))).ko
ModuleKconfig=$(foreach mod,$(1),$(call ModuleConfVar,$(mod)))
ModuleFiles=$(foreach mod,$(1),$(call ModuleFullPath,$(mod)))
ModuleAuto=$(call AutoLoad,$(1),$(foreach mod,$(2),$(basename $(notdir $(call ModuleFullPath,$(mod))))),$(3))

define i2c_defaults
  SUBMENU:=$(I2C_MENU)
  KCONFIG:=$(call ModuleKconfig,$(1))
  FILES:=$(call ModuleFiles,$(1))
  AUTOLOAD:=$(call ModuleAuto,$(2),$(1),$(3))
endef

I2C_CORE_MODULES:= \
  CONFIG_I2C:drivers/i2c/i2c-core \
  CONFIG_I2C_CHARDEV:drivers/i2c/i2c-dev

ifeq (CONFIG_OF,y)
  I2C_CORE_MODULES+=CONFIG_OF_I2C:drivers/of/of_i2c
endif

define KernelPackage/i2c-core
  $(call i2c_defaults,$(I2C_CORE_MODULES),51)
  TITLE:=I2C support
endef

define KernelPackage/i2c-core/description
 Kernel modules for I2C support
endef

$(eval $(call KernelPackage,i2c-core))


I2C_ALGOBIT_MODULES:= \
  CONFIG_I2C_ALGOBIT:drivers/i2c/algos/i2c-algo-bit

define KernelPackage/i2c-algo-bit
  $(call i2c_defaults,$(I2C_ALGOBIT_MODULES),55)
  TITLE:=I2C bit-banging interfaces
  DEPENDS:=kmod-i2c-core
endef

define KernelPackage/i2c-algo-bit/description
 Kernel modules for I2C bit-banging interfaces.
endef

$(eval $(call KernelPackage,i2c-algo-bit))


I2C_ALGOPCA_MODULES:= \
  CONFIG_I2C_ALGOPCA:drivers/i2c/algos/i2c-algo-pca

define KernelPackage/i2c-algo-pca
  $(call i2c_defaults,$(I2C_ALGOPCA_MODULES),55)
  TITLE:=I2C PCA 9564 interfaces
  DEPENDS:=kmod-i2c-core
endef

define KernelPackage/i2c-algo-pca/description
 Kernel modules for I2C PCA 9564 interfaces.
endef

$(eval $(call KernelPackage,i2c-algo-pca))


I2C_ALGOPCF_MODULES:= \
  CONFIG_I2C_ALGOPCF:drivers/i2c/algos/i2c-algo-pcf

define KernelPackage/i2c-algo-pcf
  $(call i2c_defaults,$(I2C_ALGOPCF_MODULES),55)
  TITLE:=I2C PCF 8584 interfaces
  DEPENDS:=kmod-i2c-core
endef

define KernelPackage/i2c-algo-pcf/description
 Kernel modules for I2C PCF 8584 interfaces
endef

$(eval $(call KernelPackage,i2c-algo-pcf))


I2C_GPIO_MODULES:= \
  CONFIG_I2C_GPIO:drivers/i2c/busses/i2c-gpio

define KernelPackage/i2c-gpio
  $(call i2c_defaults,$(I2C_GPIO_MODULES),59)
  TITLE:=GPIO-based bitbanging I2C
  DEPENDS:=@GPIO_SUPPORT +kmod-i2c-algo-bit
endef

define KernelPackage/i2c-gpio/description
 Kernel modules for a very simple bitbanging I2C driver utilizing the
 arch-neutral GPIO API to control the SCL and SDA lines.
endef

$(eval $(call KernelPackage,i2c-gpio))

I2C_MPC_MODULES:=\
  CONFIG_I2C_MPC:drivers/i2c/busses/i2c-mpc

define KernelPackage/i2c-mpc
  $(call i2c_defaults,$(I2C_MPC_MODULES),59)
  TITLE:=MPC I2C accessors
  DEPENDS:=@TARGET_mpc52xx||TARGET_mpc83xx||TARGET_mpc85xx \
          +kmod-i2c-core
endef

define KernelPackage/i2c-mpc/description
 Kernel module for Freescale MPC52xx MPC83xx MPC85xx I2C accessors.
endef

$(eval $(call KernelPackage,i2c-mpc))

I2C_IBM_IIC_MODULES:=\
  CONFIG_I2C_IBM_IIC:drivers/i2c/busses/i2c-ibm_iic

define KernelPackage/i2c-ibm-iic
  $(call i2c_defaults,$(OF_I2C_MODULES),59)
  TITLE:=IBM PPC 4xx on-chip I2C interface support
  DEPENDS:=@TARGET_ppc40x||TARGET_ppc4xx +kmod-i2c-core
endef

define KernelPackage/i2c-ibm-iic/description
 Kernel module for IIC peripheral found on embedded IBM PPC4xx based systems.
endef

$(eval $(call KernelPackage,i2c-ibm-iic))

I2C_MV64XXX_MODULES:=\
  CONFIG_I2C_MV64XXX:drivers/i2c/busses/i2c-mv64xxx

define KernelPackage/i2c-mv64xxx
  $(call i2c_defaults,$(I2C_MV64XXX_MODULES),59)
  TITLE:=Orion Platform I2C interface support
  DEPENDS:=@TARGET_kirkwood||TARGET_orion||TARGET_mvebu +kmod-i2c-core
endef

define KernelPackage/i2c-mv64xxx/description
 Kernel module for I2C interface on the Kirkwood, Orion and Armada XP/370
 family processors.
endef

$(eval $(call KernelPackage,i2c-mv64xxx))


I2C_TINY_USB_MODULES:= \
  CONFIG_I2C_TINY_USB:drivers/i2c/busses/i2c-tiny-usb

define KernelPackage/i2c-tiny-usb
  $(call i2c_defaults,$(I2C_TINY_USB_MODULES),59)
  TITLE:=I2C Tiny USB adaptor
  DEPENDS:=@USB_SUPPORT kmod-i2c-core
endef

define KernelPackage/i2c-tiny-usb/description
 Kernel module for the I2C Tiny USB adaptor developed
 by Till Harbaum (http://www.harbaum.org/till/i2c_tiny_usb).
endef

$(eval $(call KernelPackage,i2c-tiny-usb))

I2C_MUX_MODULES:= \
  CONFIG_I2C_MUX:drivers/i2c/i2c-mux

define KernelPackage/i2c-mux
  $(call i2c_defaults,$(I2C_MUX_MODULES),51)
  TITLE:=I2C bus multiplexing support
  DEPENDS:=kmod-i2c-core
endef

define KernelPackage/i2c-mux/description
 Kernel modules for I2C bus multiplexing support.
endef

$(eval $(call KernelPackage,i2c-mux))

ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,3.6.0)),1)
I2C_MUX_GPIO_MODULES:= \
  CONFIG_I2C_MUX_GPIO:drivers/i2c/muxes/i2c-mux-gpio
else
I2C_MUX_GPIO_MODULES:= \
  CONFIG_I2C_MUX_GPIO:drivers/i2c/muxes/gpio-i2cmux
endif

define KernelPackage/i2c-mux-gpio
  $(call i2c_defaults,$(I2C_MUX_GPIO_MODULES),51)
  TITLE:=GPIO-based I2C mux/switches
  DEPENDS:=kmod-i2c-mux
endef

define KernelPackage/i2c-mux-gpio/description
 Kernel modules for GENERIC_GPIO I2C bus mux/switching devices.
endef

$(eval $(call KernelPackage,i2c-mux-gpio))

ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,3.6.0)),1)
I2C_MUX_PREFIX:=i2c-mux-
endif

I2C_MUX_PCA954x_MODULES:= \
  CONFIG_I2C_MUX_PCA954x:drivers/i2c/muxes/$(I2C_MUX_PREFIX)pca954x

define KernelPackage/i2c-mux-pca954x
  $(call i2c_defaults,$(I2C_MUX_PCA954x_MODULES),51)
  TITLE:=Philips PCA954x I2C mux/switches
  DEPENDS:=kmod-i2c-mux
endef

define KernelPackage/i2c-mux-pca954x/description
 Kernel modules for PCA954x I2C bus mux/switching devices.
endef

$(eval $(call KernelPackage,i2c-mux-pca954x))
## Support for pca954x seems to be in kernel since 2.6.36

I2C_MUX_PCA9541_MODULES:= \
  CONFIG_I2C_MUX_PCA9541:drivers/i2c/muxes/$(I2C_MUX_PREFIX)pca9541

define KernelPackage/i2c-mux-pca9541
  $(call i2c_defaults,$(I2C_MUX_PCA9541_MODULES),51)
  TITLE:=Philips PCA9541 I2C mux/switches
  DEPENDS:=kmod-i2c-mux
endef

define KernelPackage/i2c-mux-pca9541/description
 Kernel modules for PCA9541 I2C bus mux/switching devices.
endef

$(eval $(call KernelPackage,i2c-mux-pca9541))

GPIO_PCA953X_MODULES:= \
  CONFIG_GPIO_PCA953X:drivers/gpio/gpio-pca953x

define KernelPackage/pca953x
  $(call i2c_defaults,$(GPIO_PCA953X_MODULES),51)
  TITLE:=Philips PCA953x I2C GPIO extenders
  DEPENDS:=kmod-i2c-core
endef

define KernelPackage/pca953x/description
 Kernel modules for PCA953x I2C GPIO extenders.
endef

$(eval $(call KernelPackage,pca953x))

GPIO_PCF857X_MODULES:= \
  CONFIG_GPIO_PCF857X:drivers/gpio/gpio-pcf857x

define KernelPackage/pcf857x
  $(call i2c_defaults,$(GPIO_PCF857X_MODULES),51)
  TITLE:=Philips PCF857x I2C GPIO extenders
  DEPENDS:=kmod-i2c-core
endef

define KernelPackage/pcf857x/description
 Kernel modules for PCF857x I2C GPIO extenders.
endef

$(eval $(call KernelPackage,pcf857x))
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-08 15:53:18 +0000
* License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. */ /* * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #include <stdlib.h> #include <string.h> #include <stdio.h> #include <unistd.h> #include "xenstat_priv.h" /* * Data-collection types */ /* Called to collect the information for the node and all the domains on * it. When called, the domain information has already been collected. * Return status is 0 if fatal error occurs, 1 for success. Collectors * may prune a domain from the list if it has been deleted between the * time the list was setup and the time the colector is called */ typedef int (*xenstat_collect_func)(xenstat_node * node); /* Called to free the information collected by the collect function. The free * function will only be called on a xenstat_node if that node includes * information collected by the corresponding collector. */ typedef void (*xenstat_free_func)(xenstat_node * node); /* Called to free any information stored in the handle. Note the lack of a * matching init function; the collect functions should initialize on first * use. Also, the uninit function must handle the case that the collector has * never been initialized. */ typedef void (*xenstat_uninit_func)(xenstat_handle * handle); typedef struct xenstat_collector { unsigned int flag; xenstat_collect_func collect; xenstat_free_func free; xenstat_uninit_func uninit; } xenstat_collector; static int xenstat_collect_vcpus(xenstat_node * node); static int xenstat_collect_xen_version(xenstat_node * node); static void xenstat_free_vcpus(xenstat_node * node); static void xenstat_free_networks(xenstat_node * node); static void xenstat_free_xen_version(xenstat_node * node); static void xenstat_free_vbds(xenstat_node * node); static void xenstat_uninit_vcpus(xenstat_handle * handle); static void xenstat_uninit_xen_version(xenstat_handle * handle); static char *xenstat_get_domain_name(xenstat_handle * handle, unsigned int domain_id); static void xenstat_prune_domain(xenstat_node *node, unsigned int entry); static xenstat_collector collectors[] = { { XENSTAT_VCPU, xenstat_collect_vcpus, xenstat_free_vcpus, xenstat_uninit_vcpus }, { XENSTAT_NETWORK, xenstat_collect_networks, xenstat_free_networks, xenstat_uninit_networks }, { XENSTAT_XEN_VERSION, xenstat_collect_xen_version, xenstat_free_xen_version, xenstat_uninit_xen_version }, { XENSTAT_VBD, xenstat_collect_vbds, xenstat_free_vbds, xenstat_uninit_vbds } }; #define NUM_COLLECTORS (sizeof(collectors)/sizeof(xenstat_collector)) /* * libxenstat API */ xenstat_handle *xenstat_init(void) { xenstat_handle *handle; handle = (xenstat_handle *) calloc(1, sizeof(xenstat_handle)); if (handle == NULL) return NULL; #if defined(PAGESIZE) handle->page_size = PAGESIZE; #elif defined(PAGE_SIZE) handle->page_size = PAGE_SIZE; #else handle->page_size = sysconf(_SC_PAGE_SIZE); if (handle->page_size < 0) { perror("Failed to retrieve page size."); free(handle); return NULL; } #endif handle->xc_handle = xc_interface_open(0,0,0); if (!handle->xc_handle) { perror("xc_interface_open"); free(handle); return NULL; } handle->xshandle = xs_daemon_open_readonly(); /* open handle to xenstore*/ if (handle->xshandle == NULL) { perror("unable to open xenstore"); xc_interface_close(handle->xc_handle); free(handle); return NULL; } return handle; } void xenstat_uninit(xenstat_handle * handle) { unsigned int i; if (handle) { for (i = 0; i < NUM_COLLECTORS; i++) collectors[i].uninit(handle); xc_interface_close(handle->xc_handle); xs_daemon_close(handle->xshandle); free(handle->priv); free(handle); } } static inline unsigned long long parse(char *s, char *match) { char *s1 = strstr(s,match); unsigned long long ret; if ( s1 == NULL ) return 0LL; s1 += 2; if ( *s1++ != ':' ) return 0LL; sscanf(s1,"%llu",&ret); return ret; } void domain_get_tmem_stats(xenstat_handle * handle, xenstat_domain * domain) { char buffer[4096]; if (xc_tmem_control(handle->xc_handle,-1,TMEMC_LIST,domain->id, sizeof(buffer),-1,-1,buffer) < 0) return; domain->tmem_stats.curr_eph_pages = parse(buffer,"Ec"); domain->tmem_stats.succ_eph_gets = parse(buffer,"Ge"); domain->tmem_stats.succ_pers_puts = parse(buffer,"Pp"); domain->tmem_stats.succ_pers_gets = parse(buffer,"Gp"); } xenstat_node *xenstat_get_node(xenstat_handle * handle, unsigned int flags) { #define DOMAIN_CHUNK_SIZE 256 xenstat_node *node; xc_physinfo_t physinfo = { 0 }; xc_domaininfo_t domaininfo[DOMAIN_CHUNK_SIZE]; unsigned int new_domains; unsigned int i; /* Create the node */ node = (xenstat_node *) calloc(1, sizeof(xenstat_node)); if (node == NULL) return NULL; /* Store the handle in the node for later access */ node->handle = handle; /* Get information about the physical system */ if (xc_physinfo(handle->xc_handle, &physinfo) < 0) { free(node); return NULL; } node->cpu_hz = ((unsigned long long)physinfo.cpu_khz) * 1000ULL; node->num_cpus = physinfo.nr_cpus; node->tot_mem = ((unsigned long long)physinfo.total_pages) * handle->page_size; node->free_mem = ((unsigned long long)physinfo.free_pages) * handle->page_size; node->freeable_mb = (long)xc_tmem_control(handle->xc_handle, -1, TMEMC_QUERY_FREEABLE_MB, -1, 0, 0, 0, NULL); /* malloc(0) is not portable, so allocate a single domain. This will * be resized below. */ node->domains = malloc(sizeof(xenstat_domain)); if (node->domains == NULL) { free(node); return NULL; } node->num_domains = 0; do { xenstat_domain *domain, *tmp; new_domains = xc_domain_getinfolist(handle->xc_handle, node->num_domains, DOMAIN_CHUNK_SIZE, domaininfo); tmp = realloc(node->domains, (node->num_domains + new_domains) * sizeof(xenstat_domain)); if (tmp == NULL) { free(node->domains); free(node); return NULL; } node->domains = tmp; domain = node->domains + node->num_domains; /* zero out newly allocated memory in case error occurs below */ memset(domain, 0, new_domains * sizeof(xenstat_domain)); for (i = 0; i < new_domains; i++) { /* Fill in domain using domaininfo[i] */ domain->id = domaininfo[i].domain; domain->name = xenstat_get_domain_name(handle, domain->id); if (domain->name == NULL) { if (errno == ENOMEM) { /* fatal error */ xenstat_free_node(node); return NULL; } else { /* failed to get name -- this means the domain is being destroyed so simply ignore this entry */ continue; } } domain->state = domaininfo[i].flags; domain->cpu_ns = domaininfo[i].cpu_time; domain->num_vcpus = (domaininfo[i].max_vcpu_id+1); domain->vcpus = NULL; domain->cur_mem = ((unsigned long long)domaininfo[i].tot_pages) * handle->page_size; domain->max_mem = domaininfo[i].max_pages == UINT_MAX ? (unsigned long long)-1 : (unsigned long long)(domaininfo[i].max_pages * handle->page_size); domain->ssid = domaininfo[i].ssidref; domain->num_networks = 0; domain->networks = NULL; domain->num_vbds = 0; domain->vbds = NULL; domain_get_tmem_stats(handle,domain); domain++; node->num_domains++; } } while (new_domains == DOMAIN_CHUNK_SIZE); /* Run all the extra data collectors requested */ node->flags = 0; for (i = 0; i < NUM_COLLECTORS; i++) { if ((flags & collectors[i].flag) == collectors[i].flag) { node->flags |= collectors[i].flag; if(collectors[i].collect(node) == 0) { xenstat_free_node(node); return NULL; } } } return node; } void xenstat_free_node(xenstat_node * node) { int i; if (node) { if (node->domains) { for (i = 0; i < node->num_domains; i++) free(node->domains[i].name); for (i = 0; i < NUM_COLLECTORS; i++) if((node->flags & collectors[i].flag) == collectors[i].flag) collectors[i].free(node); free(node->domains); } free(node); } } xenstat_domain *xenstat_node_domain(xenstat_node * node, unsigned int domid) { unsigned int i; /* FIXME: binary search */ /* Find the appropriate domain entry in the node struct. */ for (i = 0; i < node->num_domains; i++) { if (node->domains[i].id == domid) return &(node->domains[i]); } return NULL; } xenstat_domain *xenstat_node_domain_by_index(xenstat_node * node, unsigned int index) { if (0 <= index && index < node->num_domains) return &(node->domains[index]); return NULL; } const char *xenstat_node_xen_version(xenstat_node * node) { return node->handle->xen_version; } unsigned long long xenstat_node_tot_mem(xenstat_node * node) { return node->tot_mem; } unsigned long long xenstat_node_free_mem(xenstat_node * node) { return node->free_mem; } long xenstat_node_freeable_mb(xenstat_node * node) { return node->freeable_mb; } unsigned int xenstat_node_num_domains(xenstat_node * node) { return node->num_domains; } unsigned int xenstat_node_num_cpus(xenstat_node * node) { return node->num_cpus; } /* Get information about the CPU speed */ unsigned long long xenstat_node_cpu_hz(xenstat_node * node) { return node->cpu_hz; } /* Get the domain ID for this domain */ unsigned xenstat_domain_id(xenstat_domain * domain) { return domain->id; } /* Get the domain name for the domain */ char *xenstat_domain_name(xenstat_domain * domain) { return domain->name; } /* Get information about how much CPU time has been used */ unsigned long long xenstat_domain_cpu_ns(xenstat_domain * domain) { return domain->cpu_ns; } /* Find the number of VCPUs for a domain */ unsigned int xenstat_domain_num_vcpus(xenstat_domain * domain) { return domain->num_vcpus; } xenstat_vcpu *xenstat_domain_vcpu(xenstat_domain * domain, unsigned int vcpu) { if (0 <= vcpu && vcpu < domain->num_vcpus) return &(domain->vcpus[vcpu]); return NULL; } /* Find the current memory reservation for this domain */ unsigned long long xenstat_domain_cur_mem(xenstat_domain * domain) { return domain->cur_mem; } /* Find the maximum memory reservation for this domain */ unsigned long long xenstat_domain_max_mem(xenstat_domain * domain) { return domain->max_mem; } /* Find the domain's SSID */ unsigned int xenstat_domain_ssid(xenstat_domain * domain) { return domain->ssid; } /* Get domain states */ unsigned int xenstat_domain_dying(xenstat_domain * domain) { return (domain->state & XEN_DOMINF_dying) == XEN_DOMINF_dying; } unsigned int xenstat_domain_crashed(xenstat_domain * domain) { return ((domain->state & XEN_DOMINF_shutdown) == XEN_DOMINF_shutdown) && (((domain->state >> XEN_DOMINF_shutdownshift) & XEN_DOMINF_shutdownmask) == SHUTDOWN_crash); } unsigned int xenstat_domain_shutdown(xenstat_domain * domain) { return ((domain->state & XEN_DOMINF_shutdown) == XEN_DOMINF_shutdown) && (((domain->state >> XEN_DOMINF_shutdownshift) & XEN_DOMINF_shutdownmask) != SHUTDOWN_crash); } unsigned int xenstat_domain_paused(xenstat_domain * domain) { return (domain->state & XEN_DOMINF_paused) == XEN_DOMINF_paused; } unsigned int xenstat_domain_blocked(xenstat_domain * domain) { return (domain->state & XEN_DOMINF_blocked) == XEN_DOMINF_blocked; } unsigned int xenstat_domain_running(xenstat_domain * domain) { return (domain->state & XEN_DOMINF_running) == XEN_DOMINF_running; } /* Get the number of networks for a given domain */ unsigned int xenstat_domain_num_networks(xenstat_domain * domain) { return domain->num_networks; } /* Get the network handle to obtain network stats */ xenstat_network *xenstat_domain_network(xenstat_domain * domain, unsigned int network) { if (domain->networks && 0 <= network && network < domain->num_networks) return &(domain->networks[network]); return NULL; } /* Get the number of VBDs for a given domain */ unsigned int xenstat_domain_num_vbds(xenstat_domain * domain) { return domain->num_vbds; } /* Get the VBD handle to obtain VBD stats */ xenstat_vbd *xenstat_domain_vbd(xenstat_domain * domain, unsigned int vbd) { if (domain->vbds && 0 <= vbd && vbd < domain->num_vbds) return &(domain->vbds[vbd]); return NULL; } /* * VCPU functions */ /* Collect information about VCPUs */ static int xenstat_collect_vcpus(xenstat_node * node) { unsigned int i, vcpu, inc_index; /* Fill in VCPU information */ for (i = 0; i < node->num_domains; i+=inc_index) { inc_index = 1; /* default is to increment to next domain */ node->domains[i].vcpus = malloc(node->domains[i].num_vcpus * sizeof(xenstat_vcpu)); if (node->domains[i].vcpus == NULL) return 0; for (vcpu = 0; vcpu < node->domains[i].num_vcpus; vcpu++) { /* FIXME: need to be using a more efficient mechanism*/ xc_vcpuinfo_t info; if (xc_vcpu_getinfo(node->handle->xc_handle, node->domains[i].id, vcpu, &info) != 0) { if (errno == ENOMEM) { /* fatal error */ return 0; } else { /* domain is in transition - remove from list */ xenstat_prune_domain(node, i); /* remember not to increment index! */ inc_index = 0; break; } } else { node->domains[i].vcpus[vcpu].online = info.online; node->domains[i].vcpus[vcpu].ns = info.cpu_time; } } } return 1; } /* Free VCPU information */ static void xenstat_free_vcpus(xenstat_node * node) { unsigned int i; for (i = 0; i < node->num_domains; i++) free(node->domains[i].vcpus); } /* Free VCPU information in handle - nothing to do */ static void xenstat_uninit_vcpus(xenstat_handle * handle) { } /* Get VCPU online status */ unsigned int xenstat_vcpu_online(xenstat_vcpu * vcpu) { return vcpu->online; } /* Get VCPU usage */ unsigned long long xenstat_vcpu_ns(xenstat_vcpu * vcpu) { return vcpu->ns; } /* * Network functions */ /* Free network information */ static void xenstat_free_networks(xenstat_node * node) { unsigned int i; for (i = 0; i < node->num_domains; i++) free(node->domains[i].networks); } /* Get the network ID */ unsigned int xenstat_network_id(xenstat_network * network) { return network->id; } /* Get the number of receive bytes */ unsigned long long xenstat_network_rbytes(xenstat_network * network) { return network->rbytes; } /* Get the number of receive packets */ unsigned long long xenstat_network_rpackets(xenstat_network * network) { return network->rpackets; } /* Get the number of receive errors */ unsigned long long xenstat_network_rerrs(xenstat_network * network) { return network->rerrs; } /* Get the number of receive drops */ unsigned long long xenstat_network_rdrop(xenstat_network * network) { return network->rdrop; } /* Get the number of transmit bytes */ unsigned long long xenstat_network_tbytes(xenstat_network * network) { return network->tbytes; } /* Get the number of transmit packets */ unsigned long long xenstat_network_tpackets(xenstat_network * network) { return network->tpackets; } /* Get the number of transmit errors */ unsigned long long xenstat_network_terrs(xenstat_network * network) { return network->terrs; } /* Get the number of transmit dropped packets */ unsigned long long xenstat_network_tdrop(xenstat_network * network) { return network->tdrop; } /* * Xen version functions */ /* Collect Xen version information */ static int xenstat_collect_xen_version(xenstat_node * node) { long vnum = 0; xen_extraversion_t version; /* Collect Xen version information if not already collected */ if (node->handle->xen_version[0] == '\0') { /* Get the Xen version number and extraversion string */ vnum = xc_version(node->handle->xc_handle, XENVER_version, NULL); if (vnum < 0) return 0; if (xc_version(node->handle->xc_handle, XENVER_extraversion, &version) < 0) return 0; /* Format the version information as a string and store it */ snprintf(node->handle->xen_version, VERSION_SIZE, "%ld.%ld%s", ((vnum >> 16) & 0xFFFF), vnum & 0xFFFF, version); } return 1; } /* Free Xen version information in node - nothing to do */ static void xenstat_free_xen_version(xenstat_node * node) { } /* Free Xen version information in handle - nothing to do */ static void xenstat_uninit_xen_version(xenstat_handle * handle) { } /* * VBD functions */ /* Free VBD information */ static void xenstat_free_vbds(xenstat_node * node) { unsigned int i; for (i = 0; i < node->num_domains; i++) free(node->domains[i].vbds); } /* Get the back driver type for Virtual Block Device */ unsigned int xenstat_vbd_type(xenstat_vbd * vbd) { return vbd->back_type; } /* Get the major number of VBD device */ unsigned int xenstat_vbd_dev(xenstat_vbd * vbd) { return vbd->dev; } /* Get the number of OO(Out of) requests */ unsigned long long xenstat_vbd_oo_reqs(xenstat_vbd * vbd) { return vbd->oo_reqs; } /* Get the number of READ requests */ unsigned long long xenstat_vbd_rd_reqs(xenstat_vbd * vbd) { return vbd->rd_reqs; } /* Get the number of WRITE requests */ unsigned long long xenstat_vbd_wr_reqs(xenstat_vbd * vbd) { return vbd->wr_reqs; } /* Get the number of READ sectors */ unsigned long long xenstat_vbd_rd_sects(xenstat_vbd * vbd) { return vbd->rd_sects; } /* Get the number of WRITE sectors */ unsigned long long xenstat_vbd_wr_sects(xenstat_vbd * vbd) { return vbd->wr_sects; } /* * Tmem functions */ xenstat_tmem *xenstat_domain_tmem(xenstat_domain * domain) { return &domain->tmem_stats; } /* Get the current number of ephemeral pages */ unsigned long long xenstat_tmem_curr_eph_pages(xenstat_tmem *tmem) { return tmem->curr_eph_pages; } /* Get the number of successful ephemeral gets */ unsigned long long xenstat_tmem_succ_eph_gets(xenstat_tmem *tmem) { return tmem->succ_eph_gets; } /* Get the number of successful persistent puts */ unsigned long long xenstat_tmem_succ_pers_puts(xenstat_tmem *tmem) { return tmem->succ_pers_puts; } /* Get the number of successful persistent gets */ unsigned long long xenstat_tmem_succ_pers_gets(xenstat_tmem *tmem) { return tmem->succ_pers_gets; } static char *xenstat_get_domain_name(xenstat_handle *handle, unsigned int domain_id) { char path[80], *vmpath; snprintf(path, sizeof(path),"/local/domain/%i/vm", domain_id); vmpath = xs_read(handle->xshandle, XBT_NULL, path, NULL); if (vmpath == NULL) return NULL; snprintf(path, sizeof(path),"%s/name", vmpath); free(vmpath); return xs_read(handle->xshandle, XBT_NULL, path, NULL); } /* Remove specified entry from list of domains */ static void xenstat_prune_domain(xenstat_node *node, unsigned int entry) { /* nothing to do if array is empty or entry is beyond end */ if (node->num_domains == 0 || entry >= node->num_domains) return; /* decrement count of domains */ node->num_domains--; /* shift entries following specified entry up by one */ if (entry < node->num_domains) { xenstat_domain *domain = &node->domains[entry]; memmove(domain,domain+1,(node->num_domains - entry) * sizeof(xenstat_domain) ); } /* zero out original last entry from node -- not strictly necessary but safer! */ memset(&node->domains[node->num_domains], 0, sizeof(xenstat_domain)); }
generated by cgit v1.2.3 (git 2.25.1) at 2026-02-08 15:53:18 +0000