diff options
Diffstat (limited to 'drivers/scsi/cxgbi/libcxgbi.c')
| -rw-r--r-- | drivers/scsi/cxgbi/libcxgbi.c | 79 |
1 files changed, 69 insertions, 10 deletions
diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 77ac217..c10f74a 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -25,6 +25,7 @@ #include <net/dst.h> #include <net/route.h> #include <linux/inetdevice.h> /* ip_dev_find */ +#include <linux/module.h> #include <net/tcp.h> static unsigned int dbg_level; @@ -1787,7 +1788,7 @@ static int sgl_seek_offset(struct scatterlist *sgl, unsigned int sgcnt, } static int sgl_read_to_frags(struct scatterlist *sg, unsigned int sgoffset, - unsigned int dlen, skb_frag_t *frags, + unsigned int dlen, struct page_frag *frags, int frag_max) { unsigned int datalen = dlen; @@ -1814,7 +1815,7 @@ static int sgl_read_to_frags(struct scatterlist *sg, unsigned int sgoffset, copy = min(datalen, sglen); if (i && page == frags[i - 1].page && sgoffset + sg->offset == - frags[i - 1].page_offset + frags[i - 1].size) { + frags[i - 1].offset + frags[i - 1].size) { frags[i - 1].size += copy; } else { if (i >= frag_max) { @@ -1824,7 +1825,7 @@ static int sgl_read_to_frags(struct scatterlist *sg, unsigned int sgoffset, } frags[i].page = page; - frags[i].page_offset = sg->offset + sgoffset; + frags[i].offset = sg->offset + sgoffset; frags[i].size = copy; i++; } @@ -1944,14 +1945,14 @@ int cxgbi_conn_init_pdu(struct iscsi_task *task, unsigned int offset, if (tdata->nr_frags > MAX_SKB_FRAGS || (padlen && tdata->nr_frags == MAX_SKB_FRAGS)) { char *dst = skb->data + task->hdr_len; - skb_frag_t *frag = tdata->frags; + struct page_frag *frag = tdata->frags; /* data fits in the skb's headroom */ for (i = 0; i < tdata->nr_frags; i++, frag++) { char *src = kmap_atomic(frag->page, KM_SOFTIRQ0); - memcpy(dst, src+frag->page_offset, frag->size); + memcpy(dst, src+frag->offset, frag->size); dst += frag->size; kunmap_atomic(src, KM_SOFTIRQ0); } @@ -1962,11 +1963,13 @@ int cxgbi_conn_init_pdu(struct iscsi_task *task, unsigned int offset, skb_put(skb, count + padlen); } else { /* data fit into frag_list */ - for (i = 0; i < tdata->nr_frags; i++) - get_page(tdata->frags[i].page); - - memcpy(skb_shinfo(skb)->frags, tdata->frags, - sizeof(skb_frag_t) * tdata->nr_frags); + for (i = 0; i < tdata->nr_frags; i++) { + __skb_fill_page_desc(skb, i, + tdata->frags[i].page, + tdata->frags[i].offset, + tdata->frags[i].size); + skb_frag_ref(skb, i); + } skb_shinfo(skb)->nr_frags = tdata->nr_frags; skb->len += count; skb->data_len += count; @@ -2566,6 +2569,62 @@ void cxgbi_iscsi_cleanup(struct iscsi_transport *itp, } EXPORT_SYMBOL_GPL(cxgbi_iscsi_cleanup); +mode_t cxgbi_attr_is_visible(int param_type, int param) +{ + switch (param_type) { + case ISCSI_HOST_PARAM: + switch (param) { + case ISCSI_HOST_PARAM_NETDEV_NAME: + case ISCSI_HOST_PARAM_HWADDRESS: + case ISCSI_HOST_PARAM_IPADDRESS: + case ISCSI_HOST_PARAM_INITIATOR_NAME: + return S_IRUGO; + default: + return 0; + } + case ISCSI_PARAM: + switch (param) { + case ISCSI_PARAM_MAX_RECV_DLENGTH: + case ISCSI_PARAM_MAX_XMIT_DLENGTH: + case ISCSI_PARAM_HDRDGST_EN: + case ISCSI_PARAM_DATADGST_EN: + case ISCSI_PARAM_CONN_ADDRESS: + case ISCSI_PARAM_CONN_PORT: + case ISCSI_PARAM_EXP_STATSN: + case ISCSI_PARAM_PERSISTENT_ADDRESS: + case ISCSI_PARAM_PERSISTENT_PORT: + case ISCSI_PARAM_PING_TMO: + case ISCSI_PARAM_RECV_TMO: + case ISCSI_PARAM_INITIAL_R2T_EN: + case ISCSI_PARAM_MAX_R2T: + case ISCSI_PARAM_IMM_DATA_EN: + case ISCSI_PARAM_FIRST_BURST: + case ISCSI_PARAM_MAX_BURST: + case ISCSI_PARAM_PDU_INORDER_EN: + case ISCSI_PARAM_DATASEQ_INORDER_EN: + case ISCSI_PARAM_ERL: + case ISCSI_PARAM_TARGET_NAME: + case ISCSI_PARAM_TPGT: + case ISCSI_PARAM_USERNAME: + case ISCSI_PARAM_PASSWORD: + case ISCSI_PARAM_USERNAME_IN: + case ISCSI_PARAM_PASSWORD_IN: + case ISCSI_PARAM_FAST_ABORT: + case ISCSI_PARAM_ABORT_TMO: + case ISCSI_PARAM_LU_RESET_TMO: + case ISCSI_PARAM_TGT_RESET_TMO: + case ISCSI_PARAM_IFACE_NAME: + case ISCSI_PARAM_INITIATOR_NAME: + return S_IRUGO; + default: + return 0; + } + } + + return 0; +} +EXPORT_SYMBOL_GPL(cxgbi_attr_is_visible); + static int __init libcxgbi_init_module(void) { sw_tag_idx_bits = (__ilog2_u32(ISCSI_ITT_MASK)) + 1; |