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authorNilesh Javali <nilesh.javali@cavium.com>2017-06-27 05:26:56 -0400
committerMartin K. Petersen <martin.petersen@oracle.com>2017-07-12 16:52:27 -0400
commitc57ec8fb7c025322f25a077afc94e0ef18cc3d89 (patch)
tree523a4d946829253cd1a82f3b68d97247359ef161
parent130568d5eac5537cbd64cfb12103550af90edb79 (diff)
scsi: qedi: Add support for Boot from SAN over iSCSI offload
This patch adds support for Boot from SAN over iSCSI offload. The iSCSI boot information in the NVRAM is populated under /sys/firmware/iscsi_bootX/ using qed NVM-image reading API and further exported to open-iscsi to perform iSCSI login enabling boot over offload iSCSI interface in a Boot from SAN environment. Signed-off-by: Arun Easi <arun.easi@cavium.com> Signed-off-by: Andrew Vasquez <andrew.vasquez@cavium.com> Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat
-rw-r--r--drivers/scsi/qedi/qedi.h17
-rw-r--r--drivers/scsi/qedi/qedi_main.c419
-rw-r--r--drivers/scsi/qedi/qedi_nvm_iscsi_cfg.h210
3 files changed, 646 insertions, 0 deletions
diff --git a/drivers/scsi/qedi/qedi.h b/drivers/scsi/qedi/qedi.h
index 32632c9b2276..91d2f51c351b 100644
--- a/drivers/scsi/qedi/qedi.h
+++ b/drivers/scsi/qedi/qedi.h
@@ -23,11 +23,17 @@
23#include <linux/qed/qed_iscsi_if.h> 23#include <linux/qed/qed_iscsi_if.h>
24#include <linux/qed/qed_ll2_if.h> 24#include <linux/qed/qed_ll2_if.h>
25#include "qedi_version.h" 25#include "qedi_version.h"
26#include "qedi_nvm_iscsi_cfg.h"
26 27
27#define QEDI_MODULE_NAME "qedi" 28#define QEDI_MODULE_NAME "qedi"
28 29
29struct qedi_endpoint; 30struct qedi_endpoint;
30 31
32#ifndef GET_FIELD2
33#define GET_FIELD2(value, name) \
34 (((value) & (name ## _MASK)) >> (name ## _OFFSET))
35#endif
36
31/* 37/*
32 * PCI function probe defines 38 * PCI function probe defines
33 */ 39 */
@@ -66,6 +72,11 @@ struct qedi_endpoint;
66#define QEDI_HW_DMA_BOUNDARY 0xfff 72#define QEDI_HW_DMA_BOUNDARY 0xfff
67#define QEDI_PATH_HANDLE 0xFE0000000UL 73#define QEDI_PATH_HANDLE 0xFE0000000UL
68 74
75enum qedi_nvm_tgts {
76 QEDI_NVM_TGT_PRI,
77 QEDI_NVM_TGT_SEC,
78};
79
69struct qedi_uio_ctrl { 80struct qedi_uio_ctrl {
70 /* meta data */ 81 /* meta data */
71 u32 uio_hsi_version; 82 u32 uio_hsi_version;
@@ -283,6 +294,8 @@ struct qedi_ctx {
283 void *bdq_pbl_list; 294 void *bdq_pbl_list;
284 dma_addr_t bdq_pbl_list_dma; 295 dma_addr_t bdq_pbl_list_dma;
285 u8 bdq_pbl_list_num_entries; 296 u8 bdq_pbl_list_num_entries;
297 struct nvm_iscsi_cfg *iscsi_cfg;
298 dma_addr_t nvm_buf_dma;
286 void __iomem *bdq_primary_prod; 299 void __iomem *bdq_primary_prod;
287 void __iomem *bdq_secondary_prod; 300 void __iomem *bdq_secondary_prod;
288 u16 bdq_prod_idx; 301 u16 bdq_prod_idx;
@@ -337,6 +350,10 @@ struct qedi_ctx {
337 bool use_fast_sge; 350 bool use_fast_sge;
338 351
339 atomic_t num_offloads; 352 atomic_t num_offloads;
353#define SYSFS_FLAG_FW_SEL_BOOT 2
354#define IPV6_LEN 41
355#define IPV4_LEN 17
356 struct iscsi_boot_kset *boot_kset;
340}; 357};
341 358
342struct qedi_work { 359struct qedi_work {
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index 5f5a4ef2e529..2c3783684815 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -19,6 +19,7 @@
19#include <linux/mm.h> 19#include <linux/mm.h>
20#include <linux/if_vlan.h> 20#include <linux/if_vlan.h>
21#include <linux/cpu.h> 21#include <linux/cpu.h>
22#include <linux/iscsi_boot_sysfs.h>
22 23
23#include <scsi/scsi_cmnd.h> 24#include <scsi/scsi_cmnd.h>
24#include <scsi/scsi_device.h> 25#include <scsi/scsi_device.h>
@@ -1143,6 +1144,30 @@ exit_setup_int:
1143 return rc; 1144 return rc;
1144} 1145}
1145 1146
1147static void qedi_free_nvm_iscsi_cfg(struct qedi_ctx *qedi)
1148{
1149 if (qedi->iscsi_cfg)
1150 dma_free_coherent(&qedi->pdev->dev,
1151 sizeof(struct nvm_iscsi_cfg),
1152 qedi->iscsi_cfg, qedi->nvm_buf_dma);
1153}
1154
1155static int qedi_alloc_nvm_iscsi_cfg(struct qedi_ctx *qedi)
1156{
1157 qedi->iscsi_cfg = dma_zalloc_coherent(&qedi->pdev->dev,
1158 sizeof(struct nvm_iscsi_cfg),
1159 &qedi->nvm_buf_dma, GFP_KERNEL);
1160 if (!qedi->iscsi_cfg) {
1161 QEDI_ERR(&qedi->dbg_ctx, "Could not allocate NVM BUF.\n");
1162 return -ENOMEM;
1163 }
1164 QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
1165 "NVM BUF addr=0x%p dma=0x%llx.\n", qedi->iscsi_cfg,
1166 qedi->nvm_buf_dma);
1167
1168 return 0;
1169}
1170
1146static void qedi_free_bdq(struct qedi_ctx *qedi) 1171static void qedi_free_bdq(struct qedi_ctx *qedi)
1147{ 1172{
1148 int i; 1173 int i;
@@ -1183,6 +1208,7 @@ static void qedi_free_global_queues(struct qedi_ctx *qedi)
1183 kfree(gl[i]); 1208 kfree(gl[i]);
1184 } 1209 }
1185 qedi_free_bdq(qedi); 1210 qedi_free_bdq(qedi);
1211 qedi_free_nvm_iscsi_cfg(qedi);
1186} 1212}
1187 1213
1188static int qedi_alloc_bdq(struct qedi_ctx *qedi) 1214static int qedi_alloc_bdq(struct qedi_ctx *qedi)
@@ -1309,6 +1335,11 @@ static int qedi_alloc_global_queues(struct qedi_ctx *qedi)
1309 if (rc) 1335 if (rc)
1310 goto mem_alloc_failure; 1336 goto mem_alloc_failure;
1311 1337
1338 /* Allocate DMA coherent buffers for NVM_ISCSI_CFG */
1339 rc = qedi_alloc_nvm_iscsi_cfg(qedi);
1340 if (rc)
1341 goto mem_alloc_failure;
1342
1312 /* Allocate a CQ and an associated PBL for each MSI-X 1343 /* Allocate a CQ and an associated PBL for each MSI-X
1313 * vector. 1344 * vector.
1314 */ 1345 */
@@ -1671,6 +1702,387 @@ void qedi_reset_host_mtu(struct qedi_ctx *qedi, u16 mtu)
1671 qedi_ops->ll2->start(qedi->cdev, &params); 1702 qedi_ops->ll2->start(qedi->cdev, &params);
1672} 1703}
1673 1704
1705/**
1706 * qedi_get_nvram_block: - Scan through the iSCSI NVRAM block (while accounting
1707 * for gaps) for the matching absolute-pf-id of the QEDI device.
1708 */
1709static struct nvm_iscsi_block *
1710qedi_get_nvram_block(struct qedi_ctx *qedi)
1711{
1712 int i;
1713 u8 pf;
1714 u32 flags;
1715 struct nvm_iscsi_block *block;
1716
1717 pf = qedi->dev_info.common.abs_pf_id;
1718 block = &qedi->iscsi_cfg->block[0];
1719 for (i = 0; i < NUM_OF_ISCSI_PF_SUPPORTED; i++, block++) {
1720 flags = ((block->id) & NVM_ISCSI_CFG_BLK_CTRL_FLAG_MASK) >>
1721 NVM_ISCSI_CFG_BLK_CTRL_FLAG_OFFSET;
1722 if (flags & (NVM_ISCSI_CFG_BLK_CTRL_FLAG_IS_NOT_EMPTY |
1723 NVM_ISCSI_CFG_BLK_CTRL_FLAG_PF_MAPPED) &&
1724 (pf == (block->id & NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_MASK)
1725 >> NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_OFFSET))
1726 return block;
1727 }
1728 return NULL;
1729}
1730
1731static ssize_t qedi_show_boot_eth_info(void *data, int type, char *buf)
1732{
1733 struct qedi_ctx *qedi = data;
1734 struct nvm_iscsi_initiator *initiator;
1735 char *str = buf;
1736 int rc = 1;
1737 u32 ipv6_en, dhcp_en, ip_len;
1738 struct nvm_iscsi_block *block;
1739 char *fmt, *ip, *sub, *gw;
1740
1741 block = qedi_get_nvram_block(qedi);
1742 if (!block)
1743 return 0;
1744
1745 initiator = &block->initiator;
1746 ipv6_en = block->generic.ctrl_flags &
1747 NVM_ISCSI_CFG_GEN_IPV6_ENABLED;
1748 dhcp_en = block->generic.ctrl_flags &
1749 NVM_ISCSI_CFG_GEN_DHCP_TCPIP_CONFIG_ENABLED;
1750 /* Static IP assignments. */
1751 fmt = ipv6_en ? "%pI6\n" : "%pI4\n";
1752 ip = ipv6_en ? initiator->ipv6.addr.byte : initiator->ipv4.addr.byte;
1753 ip_len = ipv6_en ? IPV6_LEN : IPV4_LEN;
1754 sub = ipv6_en ? initiator->ipv6.subnet_mask.byte :
1755 initiator->ipv4.subnet_mask.byte;
1756 gw = ipv6_en ? initiator->ipv6.gateway.byte :
1757 initiator->ipv4.gateway.byte;
1758 /* DHCP IP adjustments. */
1759 fmt = dhcp_en ? "%s\n" : fmt;
1760 if (dhcp_en) {
1761 ip = ipv6_en ? "0::0" : "0.0.0.0";
1762 sub = ip;
1763 gw = ip;
1764 ip_len = ipv6_en ? 5 : 8;
1765 }
1766
1767 switch (type) {
1768 case ISCSI_BOOT_ETH_IP_ADDR:
1769 rc = snprintf(str, ip_len, fmt, ip);
1770 break;
1771 case ISCSI_BOOT_ETH_SUBNET_MASK:
1772 rc = snprintf(str, ip_len, fmt, sub);
1773 break;
1774 case ISCSI_BOOT_ETH_GATEWAY:
1775 rc = snprintf(str, ip_len, fmt, gw);
1776 break;
1777 case ISCSI_BOOT_ETH_FLAGS:
1778 rc = snprintf(str, 3, "%hhd\n",
1779 SYSFS_FLAG_FW_SEL_BOOT);
1780 break;
1781 case ISCSI_BOOT_ETH_INDEX:
1782 rc = snprintf(str, 3, "0\n");
1783 break;
1784 case ISCSI_BOOT_ETH_MAC:
1785 rc = sysfs_format_mac(str, qedi->mac, ETH_ALEN);
1786 break;
1787 case ISCSI_BOOT_ETH_VLAN:
1788 rc = snprintf(str, 12, "%d\n",
1789 GET_FIELD2(initiator->generic_cont0,
1790 NVM_ISCSI_CFG_INITIATOR_VLAN));
1791 break;
1792 case ISCSI_BOOT_ETH_ORIGIN:
1793 if (dhcp_en)
1794 rc = snprintf(str, 3, "3\n");
1795 break;
1796 default:
1797 rc = 0;
1798 break;
1799 }
1800
1801 return rc;
1802}
1803
1804static umode_t qedi_eth_get_attr_visibility(void *data, int type)
1805{
1806 int rc = 1;
1807
1808 switch (type) {
1809 case ISCSI_BOOT_ETH_FLAGS:
1810 case ISCSI_BOOT_ETH_MAC:
1811 case ISCSI_BOOT_ETH_INDEX:
1812 case ISCSI_BOOT_ETH_IP_ADDR:
1813 case ISCSI_BOOT_ETH_SUBNET_MASK:
1814 case ISCSI_BOOT_ETH_GATEWAY:
1815 case ISCSI_BOOT_ETH_ORIGIN:
1816 case ISCSI_BOOT_ETH_VLAN:
1817 rc = 0444;
1818 break;
1819 default:
1820 rc = 0;
1821 break;
1822 }
1823 return rc;
1824}
1825
1826static ssize_t qedi_show_boot_ini_info(void *data, int type, char *buf)
1827{
1828 struct qedi_ctx *qedi = data;
1829 struct nvm_iscsi_initiator *initiator;
1830 char *str = buf;
1831 int rc;
1832 struct nvm_iscsi_block *block;
1833
1834 block = qedi_get_nvram_block(qedi);
1835 if (!block)
1836 return 0;
1837
1838 initiator = &block->initiator;
1839
1840 switch (type) {
1841 case ISCSI_BOOT_INI_INITIATOR_NAME:
1842 rc = snprintf(str, NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, "%s\n",
1843 initiator->initiator_name.byte);
1844 break;
1845 default:
1846 rc = 0;
1847 break;
1848 }
1849 return rc;
1850}
1851
1852static umode_t qedi_ini_get_attr_visibility(void *data, int type)
1853{
1854 int rc;
1855
1856 switch (type) {
1857 case ISCSI_BOOT_INI_INITIATOR_NAME:
1858 rc = 0444;
1859 break;
1860 default:
1861 rc = 0;
1862 break;
1863 }
1864 return rc;
1865}
1866
1867static ssize_t
1868qedi_show_boot_tgt_info(struct qedi_ctx *qedi, int type,
1869 char *buf, enum qedi_nvm_tgts idx)
1870{
1871 char *str = buf;
1872 int rc = 1;
1873 u32 ctrl_flags, ipv6_en, chap_en, mchap_en, ip_len;
1874 struct nvm_iscsi_block *block;
1875 char *chap_name, *chap_secret;
1876 char *mchap_name, *mchap_secret;
1877
1878 block = qedi_get_nvram_block(qedi);
1879 if (!block)
1880 goto exit_show_tgt_info;
1881
1882 QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_EVT,
1883 "Port:%d, tgt_idx:%d\n",
1884 GET_FIELD2(block->id, NVM_ISCSI_CFG_BLK_MAPPED_PF_ID), idx);
1885
1886 ctrl_flags = block->target[idx].ctrl_flags &
1887 NVM_ISCSI_CFG_TARGET_ENABLED;
1888
1889 if (!ctrl_flags) {
1890 QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_EVT,
1891 "Target disabled\n");
1892 goto exit_show_tgt_info;
1893 }
1894
1895 ipv6_en = block->generic.ctrl_flags &
1896 NVM_ISCSI_CFG_GEN_IPV6_ENABLED;
1897 ip_len = ipv6_en ? IPV6_LEN : IPV4_LEN;
1898 chap_en = block->generic.ctrl_flags &
1899 NVM_ISCSI_CFG_GEN_CHAP_ENABLED;
1900 chap_name = chap_en ? block->initiator.chap_name.byte : NULL;
1901 chap_secret = chap_en ? block->initiator.chap_password.byte : NULL;
1902
1903 mchap_en = block->generic.ctrl_flags &
1904 NVM_ISCSI_CFG_GEN_CHAP_MUTUAL_ENABLED;
1905 mchap_name = mchap_en ? block->target[idx].chap_name.byte : NULL;
1906 mchap_secret = mchap_en ? block->target[idx].chap_password.byte : NULL;
1907
1908 switch (type) {
1909 case ISCSI_BOOT_TGT_NAME:
1910 rc = snprintf(str, NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN, "%s\n",
1911 block->target[idx].target_name.byte);
1912 break;
1913 case ISCSI_BOOT_TGT_IP_ADDR:
1914 if (ipv6_en)
1915 rc = snprintf(str, ip_len, "%pI6\n",
1916 block->target[idx].ipv6_addr.byte);
1917 else
1918 rc = snprintf(str, ip_len, "%pI4\n",
1919 block->target[idx].ipv4_addr.byte);
1920 break;
1921 case ISCSI_BOOT_TGT_PORT:
1922 rc = snprintf(str, 12, "%d\n",
1923 GET_FIELD2(block->target[idx].generic_cont0,
1924 NVM_ISCSI_CFG_TARGET_TCP_PORT));
1925 break;
1926 case ISCSI_BOOT_TGT_LUN:
1927 rc = snprintf(str, 22, "%.*d\n",
1928 block->target[idx].lun.value[1],
1929 block->target[idx].lun.value[0]);
1930 break;
1931 case ISCSI_BOOT_TGT_CHAP_NAME:
1932 rc = snprintf(str, NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, "%s\n",
1933 chap_name);
1934 break;
1935 case ISCSI_BOOT_TGT_CHAP_SECRET:
1936 rc = snprintf(str, NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN, "%s\n",
1937 chap_secret);
1938 break;
1939 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
1940 rc = snprintf(str, NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN, "%s\n",
1941 mchap_name);
1942 break;
1943 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
1944 rc = snprintf(str, NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN, "%s\n",
1945 mchap_secret);
1946 break;
1947 case ISCSI_BOOT_TGT_FLAGS:
1948 rc = snprintf(str, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT);
1949 break;
1950 case ISCSI_BOOT_TGT_NIC_ASSOC:
1951 rc = snprintf(str, 3, "0\n");
1952 break;
1953 default:
1954 rc = 0;
1955 break;
1956 }
1957
1958exit_show_tgt_info:
1959 return rc;
1960}
1961
1962static ssize_t qedi_show_boot_tgt_pri_info(void *data, int type, char *buf)
1963{
1964 struct qedi_ctx *qedi = data;
1965
1966 return qedi_show_boot_tgt_info(qedi, type, buf, QEDI_NVM_TGT_PRI);
1967}
1968
1969static ssize_t qedi_show_boot_tgt_sec_info(void *data, int type, char *buf)
1970{
1971 struct qedi_ctx *qedi = data;
1972
1973 return qedi_show_boot_tgt_info(qedi, type, buf, QEDI_NVM_TGT_SEC);
1974}
1975
1976static umode_t qedi_tgt_get_attr_visibility(void *data, int type)
1977{
1978 int rc;
1979
1980 switch (type) {
1981 case ISCSI_BOOT_TGT_NAME:
1982 case ISCSI_BOOT_TGT_IP_ADDR:
1983 case ISCSI_BOOT_TGT_PORT:
1984 case ISCSI_BOOT_TGT_LUN:
1985 case ISCSI_BOOT_TGT_CHAP_NAME:
1986 case ISCSI_BOOT_TGT_CHAP_SECRET:
1987 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
1988 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
1989 case ISCSI_BOOT_TGT_NIC_ASSOC:
1990 case ISCSI_BOOT_TGT_FLAGS:
1991 rc = 0444;
1992 break;
1993 default:
1994 rc = 0;
1995 break;
1996 }
1997 return rc;
1998}
1999
2000static void qedi_boot_release(void *data)
2001{
2002 struct qedi_ctx *qedi = data;
2003
2004 scsi_host_put(qedi->shost);
2005}
2006
2007static int qedi_get_boot_info(struct qedi_ctx *qedi)
2008{
2009 int ret = 1;
2010 u16 len;
2011
2012 len = sizeof(struct nvm_iscsi_cfg);
2013
2014 QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
2015 "Get NVM iSCSI CFG image\n");
2016 ret = qedi_ops->common->nvm_get_image(qedi->cdev,
2017 QED_NVM_IMAGE_ISCSI_CFG,
2018 (char *)qedi->iscsi_cfg, len);
2019 if (ret)
2020 QEDI_ERR(&qedi->dbg_ctx,
2021 "Could not get NVM image. ret = %d\n", ret);
2022
2023 return ret;
2024}
2025
2026static int qedi_setup_boot_info(struct qedi_ctx *qedi)
2027{
2028 struct iscsi_boot_kobj *boot_kobj;
2029
2030 if (qedi_get_boot_info(qedi))
2031 return -EPERM;
2032
2033 qedi->boot_kset = iscsi_boot_create_host_kset(qedi->shost->host_no);
2034 if (!qedi->boot_kset)
2035 goto kset_free;
2036
2037 if (!scsi_host_get(qedi->shost))
2038 goto kset_free;
2039
2040 boot_kobj = iscsi_boot_create_target(qedi->boot_kset, 0, qedi,
2041 qedi_show_boot_tgt_pri_info,
2042 qedi_tgt_get_attr_visibility,
2043 qedi_boot_release);
2044 if (!boot_kobj)
2045 goto put_host;
2046
2047 if (!scsi_host_get(qedi->shost))
2048 goto kset_free;
2049
2050 boot_kobj = iscsi_boot_create_target(qedi->boot_kset, 1, qedi,
2051 qedi_show_boot_tgt_sec_info,
2052 qedi_tgt_get_attr_visibility,
2053 qedi_boot_release);
2054 if (!boot_kobj)
2055 goto put_host;
2056
2057 if (!scsi_host_get(qedi->shost))
2058 goto kset_free;
2059
2060 boot_kobj = iscsi_boot_create_initiator(qedi->boot_kset, 0, qedi,
2061 qedi_show_boot_ini_info,
2062 qedi_ini_get_attr_visibility,
2063 qedi_boot_release);
2064 if (!boot_kobj)
2065 goto put_host;
2066
2067 if (!scsi_host_get(qedi->shost))
2068 goto kset_free;
2069
2070 boot_kobj = iscsi_boot_create_ethernet(qedi->boot_kset, 0, qedi,
2071 qedi_show_boot_eth_info,
2072 qedi_eth_get_attr_visibility,
2073 qedi_boot_release);
2074 if (!boot_kobj)
2075 goto put_host;
2076
2077 return 0;
2078
2079put_host:
2080 scsi_host_put(qedi->shost);
2081kset_free:
2082 iscsi_boot_destroy_kset(qedi->boot_kset);
2083 return -ENOMEM;
2084}
2085
1674static void __qedi_remove(struct pci_dev *pdev, int mode) 2086static void __qedi_remove(struct pci_dev *pdev, int mode)
1675{ 2087{
1676 struct qedi_ctx *qedi = pci_get_drvdata(pdev); 2088 struct qedi_ctx *qedi = pci_get_drvdata(pdev);
@@ -1724,6 +2136,9 @@ static void __qedi_remove(struct pci_dev *pdev, int mode)
1724 qedi->ll2_recv_thread = NULL; 2136 qedi->ll2_recv_thread = NULL;
1725 } 2137 }
1726 qedi_ll2_free_skbs(qedi); 2138 qedi_ll2_free_skbs(qedi);
2139
2140 if (qedi->boot_kset)
2141 iscsi_boot_destroy_kset(qedi->boot_kset);
1727 } 2142 }
1728} 2143}
1729 2144
@@ -1967,6 +2382,10 @@ static int __qedi_probe(struct pci_dev *pdev, int mode)
1967 /* F/w needs 1st task context memory entry for performance */ 2382 /* F/w needs 1st task context memory entry for performance */
1968 set_bit(QEDI_RESERVE_TASK_ID, qedi->task_idx_map); 2383 set_bit(QEDI_RESERVE_TASK_ID, qedi->task_idx_map);
1969 atomic_set(&qedi->num_offloads, 0); 2384 atomic_set(&qedi->num_offloads, 0);
2385
2386 if (qedi_setup_boot_info(qedi))
2387 QEDI_ERR(&qedi->dbg_ctx,
2388 "No iSCSI boot target configured\n");
1970 } 2389 }
1971 2390
1972 return 0; 2391 return 0;
diff --git a/drivers/scsi/qedi/qedi_nvm_iscsi_cfg.h b/drivers/scsi/qedi/qedi_nvm_iscsi_cfg.h
new file mode 100644
index 000000000000..df39b69b366d
--- /dev/null
+++ b/drivers/scsi/qedi/qedi_nvm_iscsi_cfg.h
@@ -0,0 +1,210 @@
1/*
2 * QLogic iSCSI Offload Driver
3 * Copyright (c) 2016 Cavium Inc.
4 *
5 * This software is available under the terms of the GNU General Public License
6 * (GPL) Version 2, available from the file COPYING in the main directory of
7 * this source tree.
8 */
9
10#ifndef NVM_ISCSI_CFG_H
11#define NVM_ISCSI_CFG_H
12
13#define NUM_OF_ISCSI_TARGET_PER_PF 4 /* Defined as per the
14 * ISCSI IBFT constraint
15 */
16#define NUM_OF_ISCSI_PF_SUPPORTED 4 /* One PF per Port -
17 * assuming 4 port card
18 */
19
20#define NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN 256
21
22union nvm_iscsi_dhcp_vendor_id {
23 u32 value[NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN / 4];
24 u8 byte[NVM_ISCSI_CFG_DHCP_NAME_MAX_LEN];
25};
26
27#define NVM_ISCSI_IPV4_ADDR_BYTE_LEN 4
28union nvm_iscsi_ipv4_addr {
29 u32 addr;
30 u8 byte[NVM_ISCSI_IPV4_ADDR_BYTE_LEN];
31};
32
33#define NVM_ISCSI_IPV6_ADDR_BYTE_LEN 16
34union nvm_iscsi_ipv6_addr {
35 u32 addr[4];
36 u8 byte[NVM_ISCSI_IPV6_ADDR_BYTE_LEN];
37};
38
39struct nvm_iscsi_initiator_ipv4 {
40 union nvm_iscsi_ipv4_addr addr; /* 0x0 */
41 union nvm_iscsi_ipv4_addr subnet_mask; /* 0x4 */
42 union nvm_iscsi_ipv4_addr gateway; /* 0x8 */
43 union nvm_iscsi_ipv4_addr primary_dns; /* 0xC */
44 union nvm_iscsi_ipv4_addr secondary_dns; /* 0x10 */
45 union nvm_iscsi_ipv4_addr dhcp_addr; /* 0x14 */
46
47 union nvm_iscsi_ipv4_addr isns_server; /* 0x18 */
48 union nvm_iscsi_ipv4_addr slp_server; /* 0x1C */
49 union nvm_iscsi_ipv4_addr primay_radius_server; /* 0x20 */
50 union nvm_iscsi_ipv4_addr secondary_radius_server; /* 0x24 */
51
52 union nvm_iscsi_ipv4_addr rsvd[4]; /* 0x28 */
53};
54
55struct nvm_iscsi_initiator_ipv6 {
56 union nvm_iscsi_ipv6_addr addr; /* 0x0 */
57 union nvm_iscsi_ipv6_addr subnet_mask; /* 0x10 */
58 union nvm_iscsi_ipv6_addr gateway; /* 0x20 */
59 union nvm_iscsi_ipv6_addr primary_dns; /* 0x30 */
60 union nvm_iscsi_ipv6_addr secondary_dns; /* 0x40 */
61 union nvm_iscsi_ipv6_addr dhcp_addr; /* 0x50 */
62
63 union nvm_iscsi_ipv6_addr isns_server; /* 0x60 */
64 union nvm_iscsi_ipv6_addr slp_server; /* 0x70 */
65 union nvm_iscsi_ipv6_addr primay_radius_server; /* 0x80 */
66 union nvm_iscsi_ipv6_addr secondary_radius_server; /* 0x90 */
67
68 union nvm_iscsi_ipv6_addr rsvd[3]; /* 0xA0 */
69
70 u32 config; /* 0xD0 */
71#define NVM_ISCSI_CFG_INITIATOR_IPV6_SUBNET_MASK_PREFIX_MASK 0x000000FF
72#define NVM_ISCSI_CFG_INITIATOR_IPV6_SUBNET_MASK_PREFIX_OFFSET 0
73
74 u32 rsvd_1[3];
75};
76
77#define NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN 256
78union nvm_iscsi_name {
79 u32 value[NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN / 4];
80 u8 byte[NVM_ISCSI_CFG_ISCSI_NAME_MAX_LEN];
81};
82
83#define NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN 256
84union nvm_iscsi_chap_name {
85 u32 value[NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN / 4];
86 u8 byte[NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN];
87};
88
89#define NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN 16 /* md5 need per RFC1996
90 * is 16 octets
91 */
92union nvm_iscsi_chap_password {
93 u32 value[NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN / 4];
94 u8 byte[NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN];
95};
96
97union nvm_iscsi_lun {
98 u8 byte[8];
99 u32 value[2];
100};
101
102struct nvm_iscsi_generic {
103 u32 ctrl_flags; /* 0x0 */
104#define NVM_ISCSI_CFG_GEN_CHAP_ENABLED BIT(0)
105#define NVM_ISCSI_CFG_GEN_DHCP_TCPIP_CONFIG_ENABLED BIT(1)
106#define NVM_ISCSI_CFG_GEN_DHCP_ISCSI_CONFIG_ENABLED BIT(2)
107#define NVM_ISCSI_CFG_GEN_IPV6_ENABLED BIT(3)
108#define NVM_ISCSI_CFG_GEN_IPV4_FALLBACK_ENABLED BIT(4)
109#define NVM_ISCSI_CFG_GEN_ISNS_WORLD_LOGIN BIT(5)
110#define NVM_ISCSI_CFG_GEN_ISNS_SELECTIVE_LOGIN BIT(6)
111#define NVM_ISCSI_CFG_GEN_ADDR_REDIRECT_ENABLED BIT(7)
112#define NVM_ISCSI_CFG_GEN_CHAP_MUTUAL_ENABLED BIT(8)
113
114 u32 timeout; /* 0x4 */
115#define NVM_ISCSI_CFG_GEN_DHCP_REQUEST_TIMEOUT_MASK 0x0000FFFF
116#define NVM_ISCSI_CFG_GEN_DHCP_REQUEST_TIMEOUT_OFFSET 0
117#define NVM_ISCSI_CFG_GEN_PORT_LOGIN_TIMEOUT_MASK 0xFFFF0000
118#define NVM_ISCSI_CFG_GEN_PORT_LOGIN_TIMEOUT_OFFSET 16
119
120 union nvm_iscsi_dhcp_vendor_id dhcp_vendor_id; /* 0x8 */
121 u32 rsvd[62]; /* 0x108 */
122};
123
124struct nvm_iscsi_initiator {
125 struct nvm_iscsi_initiator_ipv4 ipv4; /* 0x0 */
126 struct nvm_iscsi_initiator_ipv6 ipv6; /* 0x38 */
127
128 union nvm_iscsi_name initiator_name; /* 0x118 */
129 union nvm_iscsi_chap_name chap_name; /* 0x218 */
130 union nvm_iscsi_chap_password chap_password; /* 0x318 */
131
132 u32 generic_cont0; /* 0x398 */
133#define NVM_ISCSI_CFG_INITIATOR_VLAN_MASK 0x0000FFFF
134#define NVM_ISCSI_CFG_INITIATOR_VLAN_OFFSET 0
135#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_MASK 0x00030000
136#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_OFFSET 16
137#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_4 1
138#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_6 2
139#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_4_AND_6 3
140
141 u32 ctrl_flags;
142#define NVM_ISCSI_CFG_INITIATOR_IP_VERSION_PRIORITY_V6 BIT(0)
143#define NVM_ISCSI_CFG_INITIATOR_VLAN_ENABLED BIT(1)
144
145 u32 rsvd[116]; /* 0x32C */
146};
147
148struct nvm_iscsi_target {
149 u32 ctrl_flags; /* 0x0 */
150#define NVM_ISCSI_CFG_TARGET_ENABLED BIT(0)
151#define NVM_ISCSI_CFG_BOOT_TIME_LOGIN_STATUS BIT(1)
152
153 u32 generic_cont0; /* 0x4 */
154#define NVM_ISCSI_CFG_TARGET_TCP_PORT_MASK 0x0000FFFF
155#define NVM_ISCSI_CFG_TARGET_TCP_PORT_OFFSET 0
156
157 u32 ip_ver;
158#define NVM_ISCSI_CFG_IPv4 4
159#define NVM_ISCSI_CFG_IPv6 6
160
161 u32 rsvd_1[7]; /* 0x24 */
162 union nvm_iscsi_ipv4_addr ipv4_addr; /* 0x28 */
163 union nvm_iscsi_ipv6_addr ipv6_addr; /* 0x2C */
164 union nvm_iscsi_lun lun; /* 0x3C */
165
166 union nvm_iscsi_name target_name; /* 0x44 */
167 union nvm_iscsi_chap_name chap_name; /* 0x144 */
168 union nvm_iscsi_chap_password chap_password; /* 0x244 */
169
170 u32 rsvd_2[107]; /* 0x2C4 */
171};
172
173struct nvm_iscsi_block {
174 u32 id; /* 0x0 */
175#define NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_MASK 0x0000000F
176#define NVM_ISCSI_CFG_BLK_MAPPED_PF_ID_OFFSET 0
177#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_MASK 0x00000FF0
178#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_OFFSET 4
179#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_IS_NOT_EMPTY BIT(0)
180#define NVM_ISCSI_CFG_BLK_CTRL_FLAG_PF_MAPPED BIT(1)
181
182 u32 rsvd_1[5]; /* 0x4 */
183
184 struct nvm_iscsi_generic generic; /* 0x18 */
185 struct nvm_iscsi_initiator initiator; /* 0x218 */
186 struct nvm_iscsi_target target[NUM_OF_ISCSI_TARGET_PER_PF];
187 /* 0x718 */
188
189 u32 rsvd_2[58]; /* 0x1718 */
190 /* total size - 0x1800 - 6K block */
191};
192
193struct nvm_iscsi_cfg {
194 u32 id; /* 0x0 */
195#define NVM_ISCSI_CFG_BLK_VERSION_MINOR_MASK 0x000000FF
196#define NVM_ISCSI_CFG_BLK_VERSION_MAJOR_MASK 0x0000FF00
197#define NVM_ISCSI_CFG_BLK_SIGNATURE_MASK 0xFFFF0000
198#define NVM_ISCSI_CFG_BLK_SIGNATURE 0x49430000 /* IC - Iscsi
199 * Config
200 */
201
202#define NVM_ISCSI_CFG_BLK_VERSION_MAJOR 0
203#define NVM_ISCSI_CFG_BLK_VERSION_MINOR 10
204#define NVM_ISCSI_CFG_BLK_VERSION ((NVM_ISCSI_CFG_BLK_VERSION_MAJOR << 8) | \
205 NVM_ISCSI_CFG_BLK_VERSION_MINOR)
206
207 struct nvm_iscsi_block block[NUM_OF_ISCSI_PF_SUPPORTED]; /* 0x4 */
208};
209
210#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-05-31 22:48:30 -0400