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path: root/drivers/message/i2o/exec-osm.c
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Diffstat (limited to 'drivers/message/i2o/exec-osm.c')
-rw-r--r--drivers/message/i2o/exec-osm.c114
1 files changed, 58 insertions, 56 deletions
diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c
index 9c339a2505b0..9bb9859f6dfe 100644
--- a/drivers/message/i2o/exec-osm.c
+++ b/drivers/message/i2o/exec-osm.c
@@ -33,7 +33,7 @@
#include <linux/workqueue.h>
#include <linux/string.h>
#include <linux/slab.h>
-#include <linux/sched.h> /* wait_event_interruptible_timeout() needs this */
+#include <linux/sched.h> /* wait_event_interruptible_timeout() needs this */
#include <asm/param.h> /* HZ */
#include "core.h"
@@ -75,11 +75,9 @@ static struct i2o_exec_wait *i2o_exec_wait_alloc(void)
{
struct i2o_exec_wait *wait;
- wait = kmalloc(sizeof(*wait), GFP_KERNEL);
+ wait = kzalloc(sizeof(*wait), GFP_KERNEL);
if (!wait)
- return ERR_PTR(-ENOMEM);
-
- memset(wait, 0, sizeof(*wait));
+ return NULL;
INIT_LIST_HEAD(&wait->list);
@@ -114,13 +112,12 @@ static void i2o_exec_wait_free(struct i2o_exec_wait *wait)
* Returns 0 on success, negative error code on timeout or positive error
* code from reply.
*/
-int i2o_msg_post_wait_mem(struct i2o_controller *c, u32 m, unsigned long
- timeout, struct i2o_dma *dma)
+int i2o_msg_post_wait_mem(struct i2o_controller *c, struct i2o_message *msg,
+ unsigned long timeout, struct i2o_dma *dma)
{
DECLARE_WAIT_QUEUE_HEAD(wq);
struct i2o_exec_wait *wait;
static u32 tcntxt = 0x80000000;
- struct i2o_message __iomem *msg = i2o_msg_in_to_virt(c, m);
int rc = 0;
wait = i2o_exec_wait_alloc();
@@ -138,15 +135,15 @@ int i2o_msg_post_wait_mem(struct i2o_controller *c, u32 m, unsigned long
* We will only use transaction contexts >= 0x80000000 for POST WAIT,
* so we could find a POST WAIT reply easier in the reply handler.
*/
- writel(i2o_exec_driver.context, &msg->u.s.icntxt);
+ msg->u.s.icntxt = cpu_to_le32(i2o_exec_driver.context);
wait->tcntxt = tcntxt++;
- writel(wait->tcntxt, &msg->u.s.tcntxt);
+ msg->u.s.tcntxt = cpu_to_le32(wait->tcntxt);
/*
* Post the message to the controller. At some point later it will
* return. If we time out before it returns then complete will be zero.
*/
- i2o_msg_post(c, m);
+ i2o_msg_post(c, msg);
if (!wait->complete) {
wait->wq = &wq;
@@ -266,13 +263,14 @@ static int i2o_msg_post_wait_complete(struct i2o_controller *c, u32 m,
*
* Returns number of bytes printed into buffer.
*/
-static ssize_t i2o_exec_show_vendor_id(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t i2o_exec_show_vendor_id(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct i2o_device *dev = to_i2o_device(d);
u16 id;
- if (i2o_parm_field_get(dev, 0x0000, 0, &id, 2)) {
- sprintf(buf, "0x%04x", id);
+ if (!i2o_parm_field_get(dev, 0x0000, 0, &id, 2)) {
+ sprintf(buf, "0x%04x", le16_to_cpu(id));
return strlen(buf) + 1;
}
@@ -286,13 +284,15 @@ static ssize_t i2o_exec_show_vendor_id(struct device *d, struct device_attribute
*
* Returns number of bytes printed into buffer.
*/
-static ssize_t i2o_exec_show_product_id(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t i2o_exec_show_product_id(struct device *d,
+ struct device_attribute *attr,
+ char *buf)
{
struct i2o_device *dev = to_i2o_device(d);
u16 id;
- if (i2o_parm_field_get(dev, 0x0000, 1, &id, 2)) {
- sprintf(buf, "0x%04x", id);
+ if (!i2o_parm_field_get(dev, 0x0000, 1, &id, 2)) {
+ sprintf(buf, "0x%04x", le16_to_cpu(id));
return strlen(buf) + 1;
}
@@ -362,7 +362,9 @@ static void i2o_exec_lct_modified(struct i2o_controller *c)
if (i2o_device_parse_lct(c) != -EAGAIN)
change_ind = c->lct->change_ind + 1;
+#ifdef CONFIG_I2O_LCT_NOTIFY_ON_CHANGES
i2o_exec_lct_notify(c, change_ind);
+#endif
};
/**
@@ -385,23 +387,22 @@ static int i2o_exec_reply(struct i2o_controller *c, u32 m,
u32 context;
if (le32_to_cpu(msg->u.head[0]) & MSG_FAIL) {
+ struct i2o_message __iomem *pmsg;
+ u32 pm;
+
/*
* If Fail bit is set we must take the transaction context of
* the preserved message to find the right request again.
*/
- struct i2o_message __iomem *pmsg;
- u32 pm;
pm = le32_to_cpu(msg->body[3]);
-
pmsg = i2o_msg_in_to_virt(c, pm);
+ context = readl(&pmsg->u.s.tcntxt);
i2o_report_status(KERN_INFO, "i2o_core", msg);
- context = readl(&pmsg->u.s.tcntxt);
-
/* Release the preserved msg */
- i2o_msg_nop(c, pm);
+ i2o_msg_nop_mfa(c, pm);
} else
context = le32_to_cpu(msg->u.s.tcntxt);
@@ -462,25 +463,26 @@ static void i2o_exec_event(struct i2o_event *evt)
*/
int i2o_exec_lct_get(struct i2o_controller *c)
{
- struct i2o_message __iomem *msg;
- u32 m;
+ struct i2o_message *msg;
int i = 0;
int rc = -EAGAIN;
for (i = 1; i <= I2O_LCT_GET_TRIES; i++) {
- m = i2o_msg_get_wait(c, &msg, I2O_TIMEOUT_MESSAGE_GET);
- if (m == I2O_QUEUE_EMPTY)
- return -ETIMEDOUT;
-
- writel(EIGHT_WORD_MSG_SIZE | SGL_OFFSET_6, &msg->u.head[0]);
- writel(I2O_CMD_LCT_NOTIFY << 24 | HOST_TID << 12 | ADAPTER_TID,
- &msg->u.head[1]);
- writel(0xffffffff, &msg->body[0]);
- writel(0x00000000, &msg->body[1]);
- writel(0xd0000000 | c->dlct.len, &msg->body[2]);
- writel(c->dlct.phys, &msg->body[3]);
-
- rc = i2o_msg_post_wait(c, m, I2O_TIMEOUT_LCT_GET);
+ msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
+ if (IS_ERR(msg))
+ return PTR_ERR(msg);
+
+ msg->u.head[0] =
+ cpu_to_le32(EIGHT_WORD_MSG_SIZE | SGL_OFFSET_6);
+ msg->u.head[1] =
+ cpu_to_le32(I2O_CMD_LCT_NOTIFY << 24 | HOST_TID << 12 |
+ ADAPTER_TID);
+ msg->body[0] = cpu_to_le32(0xffffffff);
+ msg->body[1] = cpu_to_le32(0x00000000);
+ msg->body[2] = cpu_to_le32(0xd0000000 | c->dlct.len);
+ msg->body[3] = cpu_to_le32(c->dlct.phys);
+
+ rc = i2o_msg_post_wait(c, msg, I2O_TIMEOUT_LCT_GET);
if (rc < 0)
break;
@@ -506,29 +508,29 @@ static int i2o_exec_lct_notify(struct i2o_controller *c, u32 change_ind)
{
i2o_status_block *sb = c->status_block.virt;
struct device *dev;
- struct i2o_message __iomem *msg;
- u32 m;
+ struct i2o_message *msg;
dev = &c->pdev->dev;
- if (i2o_dma_realloc(dev, &c->dlct, sb->expected_lct_size, GFP_KERNEL))
+ if (i2o_dma_realloc
+ (dev, &c->dlct, le32_to_cpu(sb->expected_lct_size), GFP_KERNEL))
return -ENOMEM;
- m = i2o_msg_get_wait(c, &msg, I2O_TIMEOUT_MESSAGE_GET);
- if (m == I2O_QUEUE_EMPTY)
- return -ETIMEDOUT;
-
- writel(EIGHT_WORD_MSG_SIZE | SGL_OFFSET_6, &msg->u.head[0]);
- writel(I2O_CMD_LCT_NOTIFY << 24 | HOST_TID << 12 | ADAPTER_TID,
- &msg->u.head[1]);
- writel(i2o_exec_driver.context, &msg->u.s.icntxt);
- writel(0, &msg->u.s.tcntxt); /* FIXME */
- writel(0xffffffff, &msg->body[0]);
- writel(change_ind, &msg->body[1]);
- writel(0xd0000000 | c->dlct.len, &msg->body[2]);
- writel(c->dlct.phys, &msg->body[3]);
-
- i2o_msg_post(c, m);
+ msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
+ if (IS_ERR(msg))
+ return PTR_ERR(msg);
+
+ msg->u.head[0] = cpu_to_le32(EIGHT_WORD_MSG_SIZE | SGL_OFFSET_6);
+ msg->u.head[1] = cpu_to_le32(I2O_CMD_LCT_NOTIFY << 24 | HOST_TID << 12 |
+ ADAPTER_TID);
+ msg->u.s.icntxt = cpu_to_le32(i2o_exec_driver.context);
+ msg->u.s.tcntxt = cpu_to_le32(0x00000000);
+ msg->body[0] = cpu_to_le32(0xffffffff);
+ msg->body[1] = cpu_to_le32(change_ind);
+ msg->body[2] = cpu_to_le32(0xd0000000 | c->dlct.len);
+ msg->body[3] = cpu_to_le32(c->dlct.phys);
+
+ i2o_msg_post(c, msg);
return 0;
};
generated by cgit (git 2.34.1) at 2024-07-03 08:44:45 +0000