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ibft: convert iscsi_ibft module to iscsi boot lib
This patch just converts the iscsi_ibft module to the iscsi boot sysfs lib module. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org> Signed-off-by: Peter Jones <pjones@redhat.com>
This commit is contained in:
Mike Christie
Konrad Rzeszutek Wilk
parent
ba4ee30c6c
commit
b33a84a384
@ -132,6 +132,7 @@ config ISCSI_BOOT_SYSFS
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config ISCSI_IBFT
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tristate "iSCSI Boot Firmware Table Attributes module"
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select ISCSI_BOOT_SYSFS
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depends on ISCSI_IBFT_FIND
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default n
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help
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@ -82,6 +82,7 @@
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#include <linux/string.h>
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#include <linux/types.h>
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#include <linux/acpi.h>
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#include <linux/iscsi_boot_sysfs.h>
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#define IBFT_ISCSI_VERSION "0.5.0"
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#define IBFT_ISCSI_DATE "2010-Feb-25"
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@ -169,74 +170,6 @@ enum ibft_id {
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id_end_marker,
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};
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/*
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* We do not support the other types, hence the usage of NULL.
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* This maps to the enum ibft_id.
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*/
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static const char *ibft_id_names[] =
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{NULL, NULL, "initiator", "ethernet%d", "target%d", NULL, NULL};
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/*
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* The text attributes names for each of the kobjects.
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*/
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enum ibft_eth_properties_enum {
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ibft_eth_index,
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ibft_eth_flags,
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ibft_eth_ip_addr,
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ibft_eth_subnet_mask,
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ibft_eth_origin,
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ibft_eth_gateway,
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ibft_eth_primary_dns,
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ibft_eth_secondary_dns,
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ibft_eth_dhcp,
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ibft_eth_vlan,
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ibft_eth_mac,
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/* ibft_eth_pci_bdf - this is replaced by link to the device itself. */
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ibft_eth_hostname,
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ibft_eth_end_marker,
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};
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static const char *ibft_eth_properties[] =
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{"index", "flags", "ip-addr", "subnet-mask", "origin", "gateway",
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"primary-dns", "secondary-dns", "dhcp", "vlan", "mac", "hostname",
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NULL};
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enum ibft_tgt_properties_enum {
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ibft_tgt_index,
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ibft_tgt_flags,
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ibft_tgt_ip_addr,
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ibft_tgt_port,
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ibft_tgt_lun,
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ibft_tgt_chap_type,
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ibft_tgt_nic_assoc,
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ibft_tgt_name,
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ibft_tgt_chap_name,
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ibft_tgt_chap_secret,
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ibft_tgt_rev_chap_name,
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ibft_tgt_rev_chap_secret,
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ibft_tgt_end_marker,
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};
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static const char *ibft_tgt_properties[] =
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{"index", "flags", "ip-addr", "port", "lun", "chap-type", "nic-assoc",
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"target-name", "chap-name", "chap-secret", "rev-chap-name",
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"rev-chap-name-secret", NULL};
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enum ibft_initiator_properties_enum {
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ibft_init_index,
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ibft_init_flags,
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ibft_init_isns_server,
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ibft_init_slp_server,
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ibft_init_pri_radius_server,
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ibft_init_sec_radius_server,
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ibft_init_initiator_name,
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ibft_init_end_marker,
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};
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static const char *ibft_initiator_properties[] =
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{"index", "flags", "isns-server", "slp-server", "pri-radius-server",
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"sec-radius-server", "initiator-name", NULL};
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/*
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* The kobject and attribute structures.
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*/
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@ -249,29 +182,9 @@ struct ibft_kobject {
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struct ibft_tgt *tgt;
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struct ibft_hdr *hdr;
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};
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struct kobject kobj;
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struct list_head node;
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};
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struct ibft_attribute {
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struct attribute attr;
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ssize_t (*show) (struct ibft_kobject *entry,
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struct ibft_attribute *attr, char *buf);
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union {
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struct ibft_initiator *initiator;
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struct ibft_nic *nic;
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struct ibft_tgt *tgt;
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struct ibft_hdr *hdr;
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};
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struct kobject *kobj;
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int type; /* The enum of the type. This can be any value of:
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ibft_eth_properties_enum, ibft_tgt_properties_enum,
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or ibft_initiator_properties_enum. */
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struct list_head node;
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};
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static LIST_HEAD(ibft_attr_list);
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static LIST_HEAD(ibft_kobject_list);
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static struct iscsi_boot_kset *boot_kset;
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static const char nulls[16];
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@ -310,35 +223,27 @@ static ssize_t sprintf_string(char *str, int len, char *buf)
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static int ibft_verify_hdr(char *t, struct ibft_hdr *hdr, int id, int length)
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{
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if (hdr->id != id) {
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printk(KERN_ERR "iBFT error: We expected the " \
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printk(KERN_ERR "iBFT error: We expected the %s " \
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"field header.id to have %d but " \
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"found %d instead!\n", id, hdr->id);
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"found %d instead!\n", t, id, hdr->id);
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return -ENODEV;
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}
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if (hdr->length != length) {
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printk(KERN_ERR "iBFT error: We expected the " \
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printk(KERN_ERR "iBFT error: We expected the %s " \
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"field header.length to have %d but " \
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"found %d instead!\n", length, hdr->length);
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"found %d instead!\n", t, length, hdr->length);
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return -ENODEV;
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}
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return 0;
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}
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static void ibft_release(struct kobject *kobj)
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{
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struct ibft_kobject *ibft =
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container_of(kobj, struct ibft_kobject, kobj);
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kfree(ibft);
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}
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/*
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* Routines for parsing the iBFT data to be human readable.
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*/
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static ssize_t ibft_attr_show_initiator(struct ibft_kobject *entry,
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struct ibft_attribute *attr,
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char *buf)
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static ssize_t ibft_attr_show_initiator(void *data, int type, char *buf)
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{
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struct ibft_kobject *entry = data;
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struct ibft_initiator *initiator = entry->initiator;
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void *ibft_loc = entry->header;
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char *str = buf;
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@ -346,26 +251,26 @@ static ssize_t ibft_attr_show_initiator(struct ibft_kobject *entry,
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if (!initiator)
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return 0;
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switch (attr->type) {
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case ibft_init_index:
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switch (type) {
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case ISCSI_BOOT_INI_INDEX:
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str += sprintf(str, "%d\n", initiator->hdr.index);
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break;
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case ibft_init_flags:
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case ISCSI_BOOT_INI_FLAGS:
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str += sprintf(str, "%d\n", initiator->hdr.flags);
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break;
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case ibft_init_isns_server:
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case ISCSI_BOOT_INI_ISNS_SERVER:
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str += sprintf_ipaddr(str, initiator->isns_server);
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break;
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case ibft_init_slp_server:
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case ISCSI_BOOT_INI_SLP_SERVER:
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str += sprintf_ipaddr(str, initiator->slp_server);
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break;
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case ibft_init_pri_radius_server:
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case ISCSI_BOOT_INI_PRI_RADIUS_SERVER:
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str += sprintf_ipaddr(str, initiator->pri_radius_server);
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break;
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case ibft_init_sec_radius_server:
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case ISCSI_BOOT_INI_SEC_RADIUS_SERVER:
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str += sprintf_ipaddr(str, initiator->sec_radius_server);
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break;
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case ibft_init_initiator_name:
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case ISCSI_BOOT_INI_INITIATOR_NAME:
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str += sprintf_string(str, initiator->initiator_name_len,
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(char *)ibft_loc +
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initiator->initiator_name_off);
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@ -377,10 +282,9 @@ static ssize_t ibft_attr_show_initiator(struct ibft_kobject *entry,
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return str - buf;
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}
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static ssize_t ibft_attr_show_nic(struct ibft_kobject *entry,
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struct ibft_attribute *attr,
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char *buf)
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static ssize_t ibft_attr_show_nic(void *data, int type, char *buf)
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{
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struct ibft_kobject *entry = data;
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struct ibft_nic *nic = entry->nic;
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void *ibft_loc = entry->header;
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char *str = buf;
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@ -389,42 +293,42 @@ static ssize_t ibft_attr_show_nic(struct ibft_kobject *entry,
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if (!nic)
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return 0;
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switch (attr->type) {
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case ibft_eth_index:
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switch (type) {
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case ISCSI_BOOT_ETH_INDEX:
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str += sprintf(str, "%d\n", nic->hdr.index);
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break;
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case ibft_eth_flags:
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case ISCSI_BOOT_ETH_FLAGS:
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str += sprintf(str, "%d\n", nic->hdr.flags);
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break;
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case ibft_eth_ip_addr:
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case ISCSI_BOOT_ETH_IP_ADDR:
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str += sprintf_ipaddr(str, nic->ip_addr);
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break;
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case ibft_eth_subnet_mask:
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case ISCSI_BOOT_ETH_SUBNET_MASK:
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val = cpu_to_be32(~((1 << (32-nic->subnet_mask_prefix))-1));
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str += sprintf(str, "%pI4", &val);
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break;
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case ibft_eth_origin:
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case ISCSI_BOOT_ETH_ORIGIN:
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str += sprintf(str, "%d\n", nic->origin);
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break;
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case ibft_eth_gateway:
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case ISCSI_BOOT_ETH_GATEWAY:
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str += sprintf_ipaddr(str, nic->gateway);
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break;
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case ibft_eth_primary_dns:
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case ISCSI_BOOT_ETH_PRIMARY_DNS:
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str += sprintf_ipaddr(str, nic->primary_dns);
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break;
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case ibft_eth_secondary_dns:
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case ISCSI_BOOT_ETH_SECONDARY_DNS:
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str += sprintf_ipaddr(str, nic->secondary_dns);
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break;
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case ibft_eth_dhcp:
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case ISCSI_BOOT_ETH_DHCP:
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str += sprintf_ipaddr(str, nic->dhcp);
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break;
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case ibft_eth_vlan:
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case ISCSI_BOOT_ETH_VLAN:
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str += sprintf(str, "%d\n", nic->vlan);
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break;
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case ibft_eth_mac:
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case ISCSI_BOOT_ETH_MAC:
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str += sprintf(str, "%pM\n", nic->mac);
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break;
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case ibft_eth_hostname:
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case ISCSI_BOOT_ETH_HOSTNAME:
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str += sprintf_string(str, nic->hostname_len,
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(char *)ibft_loc + nic->hostname_off);
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break;
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@ -435,10 +339,9 @@ static ssize_t ibft_attr_show_nic(struct ibft_kobject *entry,
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return str - buf;
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};
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static ssize_t ibft_attr_show_target(struct ibft_kobject *entry,
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struct ibft_attribute *attr,
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char *buf)
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static ssize_t ibft_attr_show_target(void *data, int type, char *buf)
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{
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struct ibft_kobject *entry = data;
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struct ibft_tgt *tgt = entry->tgt;
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void *ibft_loc = entry->header;
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char *str = buf;
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@ -447,48 +350,48 @@ static ssize_t ibft_attr_show_target(struct ibft_kobject *entry,
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if (!tgt)
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return 0;
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switch (attr->type) {
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case ibft_tgt_index:
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switch (type) {
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case ISCSI_BOOT_TGT_INDEX:
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str += sprintf(str, "%d\n", tgt->hdr.index);
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break;
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case ibft_tgt_flags:
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case ISCSI_BOOT_TGT_FLAGS:
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str += sprintf(str, "%d\n", tgt->hdr.flags);
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break;
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case ibft_tgt_ip_addr:
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case ISCSI_BOOT_TGT_IP_ADDR:
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str += sprintf_ipaddr(str, tgt->ip_addr);
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break;
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case ibft_tgt_port:
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case ISCSI_BOOT_TGT_PORT:
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str += sprintf(str, "%d\n", tgt->port);
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break;
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case ibft_tgt_lun:
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case ISCSI_BOOT_TGT_LUN:
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for (i = 0; i < 8; i++)
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str += sprintf(str, "%x", (u8)tgt->lun[i]);
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str += sprintf(str, "\n");
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break;
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case ibft_tgt_nic_assoc:
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case ISCSI_BOOT_TGT_NIC_ASSOC:
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str += sprintf(str, "%d\n", tgt->nic_assoc);
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break;
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case ibft_tgt_chap_type:
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case ISCSI_BOOT_TGT_CHAP_TYPE:
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str += sprintf(str, "%d\n", tgt->chap_type);
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break;
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case ibft_tgt_name:
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case ISCSI_BOOT_TGT_NAME:
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str += sprintf_string(str, tgt->tgt_name_len,
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(char *)ibft_loc + tgt->tgt_name_off);
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break;
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case ibft_tgt_chap_name:
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case ISCSI_BOOT_TGT_CHAP_NAME:
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str += sprintf_string(str, tgt->chap_name_len,
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(char *)ibft_loc + tgt->chap_name_off);
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break;
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case ibft_tgt_chap_secret:
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case ISCSI_BOOT_TGT_CHAP_SECRET:
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str += sprintf_string(str, tgt->chap_secret_len,
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(char *)ibft_loc + tgt->chap_secret_off);
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break;
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case ibft_tgt_rev_chap_name:
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case ISCSI_BOOT_TGT_REV_CHAP_NAME:
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str += sprintf_string(str, tgt->rev_chap_name_len,
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(char *)ibft_loc +
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tgt->rev_chap_name_off);
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break;
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case ibft_tgt_rev_chap_secret:
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case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
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str += sprintf_string(str, tgt->rev_chap_secret_len,
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(char *)ibft_loc +
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tgt->rev_chap_secret_off);
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@ -500,40 +403,6 @@ static ssize_t ibft_attr_show_target(struct ibft_kobject *entry,
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return str - buf;
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}
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/*
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* The routine called for all sysfs attributes.
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*/
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static ssize_t ibft_show_attribute(struct kobject *kobj,
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struct attribute *attr,
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char *buf)
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{
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struct ibft_kobject *dev =
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container_of(kobj, struct ibft_kobject, kobj);
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struct ibft_attribute *ibft_attr =
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container_of(attr, struct ibft_attribute, attr);
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ssize_t ret = -EIO;
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char *str = buf;
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if (!capable(CAP_SYS_ADMIN))
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return -EACCES;
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if (ibft_attr->show)
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ret = ibft_attr->show(dev, ibft_attr, str);
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return ret;
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}
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static const struct sysfs_ops ibft_attr_ops = {
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.show = ibft_show_attribute,
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};
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static struct kobj_type ibft_ktype = {
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.release = ibft_release,
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.sysfs_ops = &ibft_attr_ops,
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};
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static struct kset *ibft_kset;
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static int __init ibft_check_device(void)
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{
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int len;
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@ -560,13 +429,150 @@ static int __init ibft_check_device(void)
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return 0;
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}
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/*
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* Helper routiners to check to determine if the entry is valid
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* in the proper iBFT structure.
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*/
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static mode_t ibft_check_nic_for(void *data, int type)
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{
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struct ibft_kobject *entry = data;
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struct ibft_nic *nic = entry->nic;
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mode_t rc = 0;
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switch (type) {
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case ISCSI_BOOT_ETH_INDEX:
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case ISCSI_BOOT_ETH_FLAGS:
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rc = S_IRUGO;
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break;
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case ISCSI_BOOT_ETH_IP_ADDR:
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if (memcmp(nic->ip_addr, nulls, sizeof(nic->ip_addr)))
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rc = S_IRUGO;
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break;
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case ISCSI_BOOT_ETH_SUBNET_MASK:
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if (nic->subnet_mask_prefix)
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rc = S_IRUGO;
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break;
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case ISCSI_BOOT_ETH_ORIGIN:
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rc = S_IRUGO;
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break;
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case ISCSI_BOOT_ETH_GATEWAY:
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if (memcmp(nic->gateway, nulls, sizeof(nic->gateway)))
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rc = S_IRUGO;
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break;
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case ISCSI_BOOT_ETH_PRIMARY_DNS:
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if (memcmp(nic->primary_dns, nulls,
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sizeof(nic->primary_dns)))
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rc = S_IRUGO;
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break;
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case ISCSI_BOOT_ETH_SECONDARY_DNS:
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if (memcmp(nic->secondary_dns, nulls,
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sizeof(nic->secondary_dns)))
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rc = S_IRUGO;
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break;
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case ISCSI_BOOT_ETH_DHCP:
|
||||
if (memcmp(nic->dhcp, nulls, sizeof(nic->dhcp)))
|
||||
rc = S_IRUGO;
|
||||
break;
|
||||
case ISCSI_BOOT_ETH_VLAN:
|
||||
case ISCSI_BOOT_ETH_MAC:
|
||||
rc = S_IRUGO;
|
||||
break;
|
||||
case ISCSI_BOOT_ETH_HOSTNAME:
|
||||
if (nic->hostname_off)
|
||||
rc = S_IRUGO;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
static mode_t __init ibft_check_tgt_for(void *data, int type)
|
||||
{
|
||||
struct ibft_kobject *entry = data;
|
||||
struct ibft_tgt *tgt = entry->tgt;
|
||||
mode_t rc = 0;
|
||||
|
||||
switch (type) {
|
||||
case ISCSI_BOOT_TGT_INDEX:
|
||||
case ISCSI_BOOT_TGT_FLAGS:
|
||||
case ISCSI_BOOT_TGT_IP_ADDR:
|
||||
case ISCSI_BOOT_TGT_PORT:
|
||||
case ISCSI_BOOT_TGT_LUN:
|
||||
case ISCSI_BOOT_TGT_NIC_ASSOC:
|
||||
case ISCSI_BOOT_TGT_CHAP_TYPE:
|
||||
rc = S_IRUGO;
|
||||
case ISCSI_BOOT_TGT_NAME:
|
||||
if (tgt->tgt_name_len)
|
||||
rc = S_IRUGO;
|
||||
break;
|
||||
case ISCSI_BOOT_TGT_CHAP_NAME:
|
||||
case ISCSI_BOOT_TGT_CHAP_SECRET:
|
||||
if (tgt->chap_name_len)
|
||||
rc = S_IRUGO;
|
||||
break;
|
||||
case ISCSI_BOOT_TGT_REV_CHAP_NAME:
|
||||
case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
|
||||
if (tgt->rev_chap_name_len)
|
||||
rc = S_IRUGO;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
static mode_t __init ibft_check_initiator_for(void *data, int type)
|
||||
{
|
||||
struct ibft_kobject *entry = data;
|
||||
struct ibft_initiator *init = entry->initiator;
|
||||
mode_t rc = 0;
|
||||
|
||||
switch (type) {
|
||||
case ISCSI_BOOT_INI_INDEX:
|
||||
case ISCSI_BOOT_INI_FLAGS:
|
||||
rc = S_IRUGO;
|
||||
break;
|
||||
case ISCSI_BOOT_INI_ISNS_SERVER:
|
||||
if (memcmp(init->isns_server, nulls,
|
||||
sizeof(init->isns_server)))
|
||||
rc = S_IRUGO;
|
||||
break;
|
||||
case ISCSI_BOOT_INI_SLP_SERVER:
|
||||
if (memcmp(init->slp_server, nulls,
|
||||
sizeof(init->slp_server)))
|
||||
rc = S_IRUGO;
|
||||
break;
|
||||
case ISCSI_BOOT_INI_PRI_RADIUS_SERVER:
|
||||
if (memcmp(init->pri_radius_server, nulls,
|
||||
sizeof(init->pri_radius_server)))
|
||||
rc = S_IRUGO;
|
||||
break;
|
||||
case ISCSI_BOOT_INI_SEC_RADIUS_SERVER:
|
||||
if (memcmp(init->sec_radius_server, nulls,
|
||||
sizeof(init->sec_radius_server)))
|
||||
rc = S_IRUGO;
|
||||
break;
|
||||
case ISCSI_BOOT_INI_INITIATOR_NAME:
|
||||
if (init->initiator_name_len)
|
||||
rc = S_IRUGO;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
/*
|
||||
* Helper function for ibft_register_kobjects.
|
||||
*/
|
||||
static int __init ibft_create_kobject(struct acpi_table_ibft *header,
|
||||
struct ibft_hdr *hdr,
|
||||
struct list_head *list)
|
||||
struct ibft_hdr *hdr)
|
||||
{
|
||||
struct iscsi_boot_kobj *boot_kobj = NULL;
|
||||
struct ibft_kobject *ibft_kobj = NULL;
|
||||
struct ibft_nic *nic = (struct ibft_nic *)hdr;
|
||||
struct pci_dev *pci_dev;
|
||||
@ -583,14 +589,47 @@ static int __init ibft_create_kobject(struct acpi_table_ibft *header,
|
||||
case id_initiator:
|
||||
rc = ibft_verify_hdr("initiator", hdr, id_initiator,
|
||||
sizeof(*ibft_kobj->initiator));
|
||||
if (rc)
|
||||
break;
|
||||
|
||||
boot_kobj = iscsi_boot_create_initiator(boot_kset, hdr->index,
|
||||
ibft_kobj,
|
||||
ibft_attr_show_initiator,
|
||||
ibft_check_initiator_for);
|
||||
if (!boot_kobj) {
|
||||
rc = -ENOMEM;
|
||||
goto free_ibft_obj;
|
||||
}
|
||||
break;
|
||||
case id_nic:
|
||||
rc = ibft_verify_hdr("ethernet", hdr, id_nic,
|
||||
sizeof(*ibft_kobj->nic));
|
||||
if (rc)
|
||||
break;
|
||||
|
||||
boot_kobj = iscsi_boot_create_ethernet(boot_kset, hdr->index,
|
||||
ibft_kobj,
|
||||
ibft_attr_show_nic,
|
||||
ibft_check_nic_for);
|
||||
if (!boot_kobj) {
|
||||
rc = -ENOMEM;
|
||||
goto free_ibft_obj;
|
||||
}
|
||||
break;
|
||||
case id_target:
|
||||
rc = ibft_verify_hdr("target", hdr, id_target,
|
||||
sizeof(*ibft_kobj->tgt));
|
||||
if (rc)
|
||||
break;
|
||||
|
||||
boot_kobj = iscsi_boot_create_target(boot_kset, hdr->index,
|
||||
ibft_kobj,
|
||||
ibft_attr_show_target,
|
||||
ibft_check_tgt_for);
|
||||
if (!boot_kobj) {
|
||||
rc = -ENOMEM;
|
||||
goto free_ibft_obj;
|
||||
}
|
||||
break;
|
||||
case id_reserved:
|
||||
case id_control:
|
||||
@ -608,22 +647,10 @@ static int __init ibft_create_kobject(struct acpi_table_ibft *header,
|
||||
|
||||
if (rc) {
|
||||
/* Skip adding this kobject, but exit with non-fatal error. */
|
||||
kfree(ibft_kobj);
|
||||
goto out_invalid_struct;
|
||||
rc = 0;
|
||||
goto free_ibft_obj;
|
||||
}
|
||||
|
||||
ibft_kobj->kobj.kset = ibft_kset;
|
||||
|
||||
rc = kobject_init_and_add(&ibft_kobj->kobj, &ibft_ktype,
|
||||
NULL, ibft_id_names[hdr->id], hdr->index);
|
||||
|
||||
if (rc) {
|
||||
kfree(ibft_kobj);
|
||||
goto out;
|
||||
}
|
||||
|
||||
kobject_uevent(&ibft_kobj->kobj, KOBJ_ADD);
|
||||
|
||||
if (hdr->id == id_nic) {
|
||||
/*
|
||||
* We don't search for the device in other domains than
|
||||
@ -634,19 +661,16 @@ static int __init ibft_create_kobject(struct acpi_table_ibft *header,
|
||||
pci_dev = pci_get_bus_and_slot((nic->pci_bdf & 0xff00) >> 8,
|
||||
(nic->pci_bdf & 0xff));
|
||||
if (pci_dev) {
|
||||
rc = sysfs_create_link(&ibft_kobj->kobj,
|
||||
rc = sysfs_create_link(&boot_kobj->kobj,
|
||||
&pci_dev->dev.kobj, "device");
|
||||
pci_dev_put(pci_dev);
|
||||
}
|
||||
}
|
||||
|
||||
/* Nothing broke so lets add it to the list. */
|
||||
list_add_tail(&ibft_kobj->node, list);
|
||||
out:
|
||||
return rc;
|
||||
out_invalid_struct:
|
||||
/* Unsupported structs are skipped. */
|
||||
return 0;
|
||||
|
||||
free_ibft_obj:
|
||||
kfree(ibft_kobj);
|
||||
return rc;
|
||||
}
|
||||
|
||||
/*
|
||||
@ -654,8 +678,7 @@ out_invalid_struct:
|
||||
* found add them on the passed-in list. We do not support the other
|
||||
* fields at this point, so they are skipped.
|
||||
*/
|
||||
static int __init ibft_register_kobjects(struct acpi_table_ibft *header,
|
||||
struct list_head *list)
|
||||
static int __init ibft_register_kobjects(struct acpi_table_ibft *header)
|
||||
{
|
||||
struct ibft_control *control = NULL;
|
||||
void *ptr, *end;
|
||||
@ -680,8 +703,7 @@ static int __init ibft_register_kobjects(struct acpi_table_ibft *header,
|
||||
if (offset && offset < header->header.length &&
|
||||
offset < eot_offset) {
|
||||
rc = ibft_create_kobject(header,
|
||||
(void *)header + offset,
|
||||
list);
|
||||
(void *)header + offset);
|
||||
if (rc)
|
||||
break;
|
||||
}
|
||||
@ -690,240 +712,28 @@ static int __init ibft_register_kobjects(struct acpi_table_ibft *header,
|
||||
return rc;
|
||||
}
|
||||
|
||||
static void ibft_unregister(struct list_head *attr_list,
|
||||
struct list_head *kobj_list)
|
||||
static void ibft_unregister(void)
|
||||
{
|
||||
struct ibft_kobject *data = NULL, *n;
|
||||
struct ibft_attribute *attr = NULL, *m;
|
||||
struct iscsi_boot_kobj *boot_kobj, *tmp_kobj;
|
||||
struct ibft_kobject *ibft_kobj;
|
||||
|
||||
list_for_each_entry_safe(attr, m, attr_list, node) {
|
||||
sysfs_remove_file(attr->kobj, &attr->attr);
|
||||
list_del(&attr->node);
|
||||
kfree(attr);
|
||||
list_for_each_entry_safe(boot_kobj, tmp_kobj,
|
||||
&boot_kset->kobj_list, list) {
|
||||
ibft_kobj = boot_kobj->data;
|
||||
if (ibft_kobj->hdr->id == id_nic)
|
||||
sysfs_remove_link(&boot_kobj->kobj, "device");
|
||||
};
|
||||
list_del_init(attr_list);
|
||||
|
||||
list_for_each_entry_safe(data, n, kobj_list, node) {
|
||||
list_del(&data->node);
|
||||
if (data->hdr->id == id_nic)
|
||||
sysfs_remove_link(&data->kobj, "device");
|
||||
kobject_put(&data->kobj);
|
||||
};
|
||||
list_del_init(kobj_list);
|
||||
}
|
||||
|
||||
static int __init ibft_create_attribute(struct ibft_kobject *kobj_data,
|
||||
int type,
|
||||
const char *name,
|
||||
ssize_t (*show)(struct ibft_kobject *,
|
||||
struct ibft_attribute*,
|
||||
char *buf),
|
||||
struct list_head *list)
|
||||
static void ibft_cleanup(void)
|
||||
{
|
||||
struct ibft_attribute *attr = NULL;
|
||||
struct ibft_hdr *hdr = kobj_data->hdr;
|
||||
|
||||
attr = kmalloc(sizeof(*attr), GFP_KERNEL);
|
||||
if (!attr)
|
||||
return -ENOMEM;
|
||||
|
||||
attr->attr.name = name;
|
||||
attr->attr.mode = S_IRUSR;
|
||||
|
||||
attr->hdr = hdr;
|
||||
attr->show = show;
|
||||
attr->kobj = &kobj_data->kobj;
|
||||
attr->type = type;
|
||||
|
||||
list_add_tail(&attr->node, list);
|
||||
|
||||
return 0;
|
||||
ibft_unregister();
|
||||
iscsi_boot_destroy_kset(boot_kset);
|
||||
}
|
||||
|
||||
/*
|
||||
* Helper routiners to check to determine if the entry is valid
|
||||
* in the proper iBFT structure.
|
||||
*/
|
||||
static int __init ibft_check_nic_for(struct ibft_nic *nic, int entry)
|
||||
static void __exit ibft_exit(void)
|
||||
{
|
||||
int rc = 0;
|
||||
|
||||
switch (entry) {
|
||||
case ibft_eth_index:
|
||||
case ibft_eth_flags:
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_eth_ip_addr:
|
||||
if (memcmp(nic->ip_addr, nulls, sizeof(nic->ip_addr)))
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_eth_subnet_mask:
|
||||
if (nic->subnet_mask_prefix)
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_eth_origin:
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_eth_gateway:
|
||||
if (memcmp(nic->gateway, nulls, sizeof(nic->gateway)))
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_eth_primary_dns:
|
||||
if (memcmp(nic->primary_dns, nulls,
|
||||
sizeof(nic->primary_dns)))
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_eth_secondary_dns:
|
||||
if (memcmp(nic->secondary_dns, nulls,
|
||||
sizeof(nic->secondary_dns)))
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_eth_dhcp:
|
||||
if (memcmp(nic->dhcp, nulls, sizeof(nic->dhcp)))
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_eth_vlan:
|
||||
case ibft_eth_mac:
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_eth_hostname:
|
||||
if (nic->hostname_off)
|
||||
rc = 1;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int __init ibft_check_tgt_for(struct ibft_tgt *tgt, int entry)
|
||||
{
|
||||
int rc = 0;
|
||||
|
||||
switch (entry) {
|
||||
case ibft_tgt_index:
|
||||
case ibft_tgt_flags:
|
||||
case ibft_tgt_ip_addr:
|
||||
case ibft_tgt_port:
|
||||
case ibft_tgt_lun:
|
||||
case ibft_tgt_nic_assoc:
|
||||
case ibft_tgt_chap_type:
|
||||
rc = 1;
|
||||
case ibft_tgt_name:
|
||||
if (tgt->tgt_name_len)
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_tgt_chap_name:
|
||||
case ibft_tgt_chap_secret:
|
||||
if (tgt->chap_name_len)
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_tgt_rev_chap_name:
|
||||
case ibft_tgt_rev_chap_secret:
|
||||
if (tgt->rev_chap_name_len)
|
||||
rc = 1;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int __init ibft_check_initiator_for(struct ibft_initiator *init,
|
||||
int entry)
|
||||
{
|
||||
int rc = 0;
|
||||
|
||||
switch (entry) {
|
||||
case ibft_init_index:
|
||||
case ibft_init_flags:
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_init_isns_server:
|
||||
if (memcmp(init->isns_server, nulls,
|
||||
sizeof(init->isns_server)))
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_init_slp_server:
|
||||
if (memcmp(init->slp_server, nulls,
|
||||
sizeof(init->slp_server)))
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_init_pri_radius_server:
|
||||
if (memcmp(init->pri_radius_server, nulls,
|
||||
sizeof(init->pri_radius_server)))
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_init_sec_radius_server:
|
||||
if (memcmp(init->sec_radius_server, nulls,
|
||||
sizeof(init->sec_radius_server)))
|
||||
rc = 1;
|
||||
break;
|
||||
case ibft_init_initiator_name:
|
||||
if (init->initiator_name_len)
|
||||
rc = 1;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
/*
|
||||
* Register the attributes for all of the kobjects.
|
||||
*/
|
||||
static int __init ibft_register_attributes(struct list_head *kobject_list,
|
||||
struct list_head *attr_list)
|
||||
{
|
||||
int rc = 0, i = 0;
|
||||
struct ibft_kobject *data = NULL;
|
||||
struct ibft_attribute *attr = NULL, *m;
|
||||
|
||||
list_for_each_entry(data, kobject_list, node) {
|
||||
switch (data->hdr->id) {
|
||||
case id_nic:
|
||||
for (i = 0; i < ibft_eth_end_marker && !rc; i++)
|
||||
if (ibft_check_nic_for(data->nic, i))
|
||||
rc = ibft_create_attribute(data, i,
|
||||
ibft_eth_properties[i],
|
||||
ibft_attr_show_nic, attr_list);
|
||||
break;
|
||||
case id_target:
|
||||
for (i = 0; i < ibft_tgt_end_marker && !rc; i++)
|
||||
if (ibft_check_tgt_for(data->tgt, i))
|
||||
rc = ibft_create_attribute(data, i,
|
||||
ibft_tgt_properties[i],
|
||||
ibft_attr_show_target,
|
||||
attr_list);
|
||||
break;
|
||||
case id_initiator:
|
||||
for (i = 0; i < ibft_init_end_marker && !rc; i++)
|
||||
if (ibft_check_initiator_for(
|
||||
data->initiator, i))
|
||||
rc = ibft_create_attribute(data, i,
|
||||
ibft_initiator_properties[i],
|
||||
ibft_attr_show_initiator,
|
||||
attr_list);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
if (rc)
|
||||
break;
|
||||
}
|
||||
list_for_each_entry_safe(attr, m, attr_list, node) {
|
||||
rc = sysfs_create_file(attr->kobj, &attr->attr);
|
||||
if (rc) {
|
||||
list_del(&attr->node);
|
||||
kfree(attr);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return rc;
|
||||
ibft_cleanup();
|
||||
}
|
||||
|
||||
/*
|
||||
@ -933,26 +743,20 @@ static int __init ibft_init(void)
|
||||
{
|
||||
int rc = 0;
|
||||
|
||||
ibft_kset = kset_create_and_add("ibft", NULL, firmware_kobj);
|
||||
if (!ibft_kset)
|
||||
return -ENOMEM;
|
||||
|
||||
if (ibft_addr) {
|
||||
printk(KERN_INFO "iBFT detected at 0x%llx.\n",
|
||||
(u64)isa_virt_to_bus(ibft_addr));
|
||||
|
||||
rc = ibft_check_device();
|
||||
if (rc)
|
||||
goto out_firmware_unregister;
|
||||
return rc;
|
||||
|
||||
boot_kset = iscsi_boot_create_kset("ibft");
|
||||
if (!boot_kset)
|
||||
return -ENOMEM;
|
||||
|
||||
/* Scan the IBFT for data and register the kobjects. */
|
||||
rc = ibft_register_kobjects(ibft_addr, &ibft_kobject_list);
|
||||
if (rc)
|
||||
goto out_free;
|
||||
|
||||
/* Register the attributes */
|
||||
rc = ibft_register_attributes(&ibft_kobject_list,
|
||||
&ibft_attr_list);
|
||||
rc = ibft_register_kobjects(ibft_addr);
|
||||
if (rc)
|
||||
goto out_free;
|
||||
} else
|
||||
@ -961,17 +765,9 @@ static int __init ibft_init(void)
|
||||
return 0;
|
||||
|
||||
out_free:
|
||||
ibft_unregister(&ibft_attr_list, &ibft_kobject_list);
|
||||
out_firmware_unregister:
|
||||
kset_unregister(ibft_kset);
|
||||
ibft_cleanup();
|
||||
return rc;
|
||||
}
|
||||
|
||||
static void __exit ibft_exit(void)
|
||||
{
|
||||
ibft_unregister(&ibft_attr_list, &ibft_kobject_list);
|
||||
kset_unregister(ibft_kset);
|
||||
}
|
||||
|
||||
module_init(ibft_init);
|
||||
module_exit(ibft_exit);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user