sbale->addr holds an absolute address (or for some FCP usage, an opaque
request ID), and should only be used with proper virt/phys translation.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
* @scount: SBAL count
* @sflags: whole SBAL flags
* @length: length
* @scount: SBAL count
* @sflags: whole SBAL flags
* @length: length
+ * @addr: absolute data address
*/
struct qdio_buffer_element {
u8 eflags;
*/
struct qdio_buffer_element {
u8 eflags;
u8 scount;
u8 sflags;
u32 length;
u8 scount;
u8 sflags;
u32 length;
} __attribute__ ((packed, aligned(16)));
/**
} __attribute__ ((packed, aligned(16)));
/**
qeth_tx_complete_buf(buf, error, budget);
for (i = 0; i < queue->max_elements; ++i) {
qeth_tx_complete_buf(buf, error, budget);
for (i = 0; i < queue->max_elements; ++i) {
- if (buf->buffer->element[i].addr && buf->is_header[i])
- kmem_cache_free(qeth_core_header_cache,
- buf->buffer->element[i].addr);
+ void *data = phys_to_virt(buf->buffer->element[i].addr);
+
+ if (data && buf->is_header[i])
+ kmem_cache_free(qeth_core_header_cache, data);
buf->pool_entry = pool_entry;
for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
buf->buffer->element[i].length = PAGE_SIZE;
buf->pool_entry = pool_entry;
for (i = 0; i < QETH_MAX_BUFFER_ELEMENTS(card); ++i) {
buf->buffer->element[i].length = PAGE_SIZE;
- buf->buffer->element[i].addr = pool_entry->elements[i];
+ buf->buffer->element[i].addr =
+ virt_to_phys(pool_entry->elements[i]);
if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
buf->buffer->element[i].eflags = SBAL_EFLAGS_LAST_ENTRY;
else
if (i == QETH_MAX_BUFFER_ELEMENTS(card) - 1)
buf->buffer->element[i].eflags = SBAL_EFLAGS_LAST_ENTRY;
else
while ((e < QDIO_MAX_ELEMENTS_PER_BUFFER) &&
buffer->element[e].addr) {
while ((e < QDIO_MAX_ELEMENTS_PER_BUFFER) &&
buffer->element[e].addr) {
- unsigned long phys_aob_addr;
+ unsigned long phys_aob_addr = buffer->element[e].addr;
- phys_aob_addr = (unsigned long) buffer->element[e].addr;
qeth_qdio_handle_aob(card, phys_aob_addr);
++e;
}
qeth_qdio_handle_aob(card, phys_aob_addr);
++e;
}
elem_length = min_t(unsigned int, length,
PAGE_SIZE - offset_in_page(data));
elem_length = min_t(unsigned int, length,
PAGE_SIZE - offset_in_page(data));
- buffer->element[element].addr = data;
+ buffer->element[element].addr = virt_to_phys(data);
buffer->element[element].length = elem_length;
length -= elem_length;
if (is_first_elem) {
buffer->element[element].length = elem_length;
length -= elem_length;
if (is_first_elem) {
elem_length = min_t(unsigned int, length,
PAGE_SIZE - offset_in_page(data));
elem_length = min_t(unsigned int, length,
PAGE_SIZE - offset_in_page(data));
- buffer->element[element].addr = data;
+ buffer->element[element].addr = virt_to_phys(data);
buffer->element[element].length = elem_length;
buffer->element[element].eflags =
SBAL_EFLAGS_MIDDLE_FRAG;
buffer->element[element].length = elem_length;
buffer->element[element].eflags =
SBAL_EFLAGS_MIDDLE_FRAG;
int element = buf->next_element_to_fill;
is_first_elem = false;
int element = buf->next_element_to_fill;
is_first_elem = false;
- buffer->element[element].addr = hdr;
+ buffer->element[element].addr = virt_to_phys(hdr);
buffer->element[element].length = hd_len;
buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG;
/* remember to free cache-allocated qeth_hdr: */
buffer->element[element].length = hd_len;
buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG;
/* remember to free cache-allocated qeth_hdr: */
- hdr = element->addr + offset;
+ hdr = phys_to_virt(element->addr) + offset;
offset += sizeof(*hdr);
skb = NULL;
offset += sizeof(*hdr);
skb = NULL;
walk_packet:
while (skb_len) {
int data_len = min(skb_len, (int)(element->length - offset));
walk_packet:
while (skb_len) {
int data_len = min(skb_len, (int)(element->length - offset));
- char *data = element->addr + offset;
+ char *data = phys_to_virt(element->addr) + offset;
skb_len -= data_len;
offset += data_len;
skb_len -= data_len;
offset += data_len;
for (idx = 0; idx < QDIO_MAX_ELEMENTS_PER_BUFFER; idx++) {
sbale = &sbal->element[idx];
for (idx = 0; idx < QDIO_MAX_ELEMENTS_PER_BUFFER; idx++) {
sbale = &sbal->element[idx];
- req_id = (unsigned long) sbale->addr;
fsf_req = zfcp_reqlist_find_rm(adapter->req_list, req_id);
if (!fsf_req) {
fsf_req = zfcp_reqlist_find_rm(adapter->req_list, req_id);
if (!fsf_req) {
memset(pl, 0,
ZFCP_QDIO_MAX_SBALS_PER_REQ * sizeof(void *));
sbale = qdio->res_q[idx]->element;
memset(pl, 0,
ZFCP_QDIO_MAX_SBALS_PER_REQ * sizeof(void *));
sbale = qdio->res_q[idx]->element;
- req_id = (u64) sbale->addr;
scount = min(sbale->scount + 1,
ZFCP_QDIO_MAX_SBALS_PER_REQ + 1);
/* incl. signaling SBAL */
scount = min(sbale->scount + 1,
ZFCP_QDIO_MAX_SBALS_PER_REQ + 1);
/* incl. signaling SBAL */
q_req->sbal_number);
return -EINVAL;
}
q_req->sbal_number);
return -EINVAL;
}
- sbale->addr = sg_virt(sg);
+ sbale->addr = sg_phys(sg);
sbale->length = sg->length;
}
return 0;
sbale->length = sg->length;
}
return 0;
sbale->length = 0;
sbale->eflags = SBAL_EFLAGS_LAST_ENTRY;
sbale->sflags = 0;
sbale->length = 0;
sbale->eflags = SBAL_EFLAGS_LAST_ENTRY;
sbale->sflags = 0;
}
if (do_QDIO(cdev, QDIO_FLAG_SYNC_INPUT, 0, 0, QDIO_MAX_BUFFERS_PER_Q))
}
if (do_QDIO(cdev, QDIO_FLAG_SYNC_INPUT, 0, 0, QDIO_MAX_BUFFERS_PER_Q))
% QDIO_MAX_BUFFERS_PER_Q;
sbale = zfcp_qdio_sbale_req(qdio, q_req);
% QDIO_MAX_BUFFERS_PER_Q;
sbale = zfcp_qdio_sbale_req(qdio, q_req);
- sbale->addr = (void *) req_id;
sbale->eflags = 0;
sbale->sflags = SBAL_SFLAGS0_COMMAND | sbtype;
if (unlikely(!data))
return;
sbale++;
sbale->eflags = 0;
sbale->sflags = SBAL_SFLAGS0_COMMAND | sbtype;
if (unlikely(!data))
return;
sbale++;
+ sbale->addr = virt_to_phys(data);
BUG_ON(q_req->sbale_curr == qdio->max_sbale_per_sbal - 1);
q_req->sbale_curr++;
sbale = zfcp_qdio_sbale_curr(qdio, q_req);
BUG_ON(q_req->sbale_curr == qdio->max_sbale_per_sbal - 1);
q_req->sbale_curr++;
sbale = zfcp_qdio_sbale_curr(qdio, q_req);
+ sbale->addr = virt_to_phys(data);