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path: root/drivers/message/i2o/i2o_config.c
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Diffstat (limited to 'drivers/message/i2o/i2o_config.c')
-rw-r--r--drivers/message/i2o/i2o_config.c196
1 files changed, 95 insertions, 101 deletions
diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c
index 3c3a7abebb1b..89daf67b764d 100644
--- a/drivers/message/i2o/i2o_config.c
+++ b/drivers/message/i2o/i2o_config.c
@@ -36,12 +36,12 @@
#include <asm/uaccess.h>
-#include "core.h"
-
#define SG_TABLESIZE 30
-static int i2o_cfg_ioctl(struct inode *inode, struct file *fp, unsigned int cmd,
- unsigned long arg);
+extern int i2o_parm_issue(struct i2o_device *, int, void *, int, void *, int);
+
+static int i2o_cfg_ioctl(struct inode *, struct file *, unsigned int,
+ unsigned long);
static spinlock_t i2o_config_lock;
@@ -230,8 +230,7 @@ static int i2o_cfg_swdl(unsigned long arg)
struct i2o_sw_xfer __user *pxfer = (struct i2o_sw_xfer __user *)arg;
unsigned char maxfrag = 0, curfrag = 1;
struct i2o_dma buffer;
- struct i2o_message __iomem *msg;
- u32 m;
+ struct i2o_message *msg;
unsigned int status = 0, swlen = 0, fragsize = 8192;
struct i2o_controller *c;
@@ -257,31 +256,34 @@ static int i2o_cfg_swdl(unsigned long arg)
if (!c)
return -ENXIO;
- m = i2o_msg_get_wait(c, &msg, I2O_TIMEOUT_MESSAGE_GET);
- if (m == I2O_QUEUE_EMPTY)
- return -EBUSY;
+ msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
+ if (IS_ERR(msg))
+ return PTR_ERR(msg);
if (i2o_dma_alloc(&c->pdev->dev, &buffer, fragsize, GFP_KERNEL)) {
- i2o_msg_nop(c, m);
+ i2o_msg_nop(c, msg);
return -ENOMEM;
}
__copy_from_user(buffer.virt, kxfer.buf, fragsize);
- writel(NINE_WORD_MSG_SIZE | SGL_OFFSET_7, &msg->u.head[0]);
- writel(I2O_CMD_SW_DOWNLOAD << 24 | HOST_TID << 12 | ADAPTER_TID,
- &msg->u.head[1]);
- writel(i2o_config_driver.context, &msg->u.head[2]);
- writel(0, &msg->u.head[3]);
- writel((((u32) kxfer.flags) << 24) | (((u32) kxfer.sw_type) << 16) |
- (((u32) maxfrag) << 8) | (((u32) curfrag)), &msg->body[0]);
- writel(swlen, &msg->body[1]);
- writel(kxfer.sw_id, &msg->body[2]);
- writel(0xD0000000 | fragsize, &msg->body[3]);
- writel(buffer.phys, &msg->body[4]);
+ msg->u.head[0] = cpu_to_le32(NINE_WORD_MSG_SIZE | SGL_OFFSET_7);
+ msg->u.head[1] =
+ cpu_to_le32(I2O_CMD_SW_DOWNLOAD << 24 | HOST_TID << 12 |
+ ADAPTER_TID);
+ msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
+ msg->u.head[3] = cpu_to_le32(0);
+ msg->body[0] =
+ cpu_to_le32((((u32) kxfer.flags) << 24) | (((u32) kxfer.
+ sw_type) << 16) |
+ (((u32) maxfrag) << 8) | (((u32) curfrag)));
+ msg->body[1] = cpu_to_le32(swlen);
+ msg->body[2] = cpu_to_le32(kxfer.sw_id);
+ msg->body[3] = cpu_to_le32(0xD0000000 | fragsize);
+ msg->body[4] = cpu_to_le32(buffer.phys);
osm_debug("swdl frag %d/%d (size %d)\n", curfrag, maxfrag, fragsize);
- status = i2o_msg_post_wait_mem(c, m, 60, &buffer);
+ status = i2o_msg_post_wait_mem(c, msg, 60, &buffer);
if (status != -ETIMEDOUT)
i2o_dma_free(&c->pdev->dev, &buffer);
@@ -302,8 +304,7 @@ static int i2o_cfg_swul(unsigned long arg)
struct i2o_sw_xfer __user *pxfer = (struct i2o_sw_xfer __user *)arg;
unsigned char maxfrag = 0, curfrag = 1;
struct i2o_dma buffer;
- struct i2o_message __iomem *msg;
- u32 m;
+ struct i2o_message *msg;
unsigned int status = 0, swlen = 0, fragsize = 8192;
struct i2o_controller *c;
int ret = 0;
@@ -330,30 +331,30 @@ static int i2o_cfg_swul(unsigned long arg)
if (!c)
return -ENXIO;
- m = i2o_msg_get_wait(c, &msg, I2O_TIMEOUT_MESSAGE_GET);
- if (m == I2O_QUEUE_EMPTY)
- return -EBUSY;
+ msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
+ if (IS_ERR(msg))
+ return PTR_ERR(msg);
if (i2o_dma_alloc(&c->pdev->dev, &buffer, fragsize, GFP_KERNEL)) {
- i2o_msg_nop(c, m);
+ i2o_msg_nop(c, msg);
return -ENOMEM;
}
- writel(NINE_WORD_MSG_SIZE | SGL_OFFSET_7, &msg->u.head[0]);
- writel(I2O_CMD_SW_UPLOAD << 24 | HOST_TID << 12 | ADAPTER_TID,
- &msg->u.head[1]);
- writel(i2o_config_driver.context, &msg->u.head[2]);
- writel(0, &msg->u.head[3]);
- writel((u32) kxfer.flags << 24 | (u32) kxfer.
- sw_type << 16 | (u32) maxfrag << 8 | (u32) curfrag,
- &msg->body[0]);
- writel(swlen, &msg->body[1]);
- writel(kxfer.sw_id, &msg->body[2]);
- writel(0xD0000000 | fragsize, &msg->body[3]);
- writel(buffer.phys, &msg->body[4]);
+ msg->u.head[0] = cpu_to_le32(NINE_WORD_MSG_SIZE | SGL_OFFSET_7);
+ msg->u.head[1] =
+ cpu_to_le32(I2O_CMD_SW_UPLOAD << 24 | HOST_TID << 12 | ADAPTER_TID);
+ msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
+ msg->u.head[3] = cpu_to_le32(0);
+ msg->body[0] =
+ cpu_to_le32((u32) kxfer.flags << 24 | (u32) kxfer.
+ sw_type << 16 | (u32) maxfrag << 8 | (u32) curfrag);
+ msg->body[1] = cpu_to_le32(swlen);
+ msg->body[2] = cpu_to_le32(kxfer.sw_id);
+ msg->body[3] = cpu_to_le32(0xD0000000 | fragsize);
+ msg->body[4] = cpu_to_le32(buffer.phys);
osm_debug("swul frag %d/%d (size %d)\n", curfrag, maxfrag, fragsize);
- status = i2o_msg_post_wait_mem(c, m, 60, &buffer);
+ status = i2o_msg_post_wait_mem(c, msg, 60, &buffer);
if (status != I2O_POST_WAIT_OK) {
if (status != -ETIMEDOUT)
@@ -380,8 +381,7 @@ static int i2o_cfg_swdel(unsigned long arg)
struct i2o_controller *c;
struct i2o_sw_xfer kxfer;
struct i2o_sw_xfer __user *pxfer = (struct i2o_sw_xfer __user *)arg;
- struct i2o_message __iomem *msg;
- u32 m;
+ struct i2o_message *msg;
unsigned int swlen;
int token;
@@ -395,21 +395,21 @@ static int i2o_cfg_swdel(unsigned long arg)
if (!c)
return -ENXIO;
- m = i2o_msg_get_wait(c, &msg, I2O_TIMEOUT_MESSAGE_GET);
- if (m == I2O_QUEUE_EMPTY)
- return -EBUSY;
+ msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
+ if (IS_ERR(msg))
+ return PTR_ERR(msg);
- writel(SEVEN_WORD_MSG_SIZE | SGL_OFFSET_0, &msg->u.head[0]);
- writel(I2O_CMD_SW_REMOVE << 24 | HOST_TID << 12 | ADAPTER_TID,
- &msg->u.head[1]);
- writel(i2o_config_driver.context, &msg->u.head[2]);
- writel(0, &msg->u.head[3]);
- writel((u32) kxfer.flags << 24 | (u32) kxfer.sw_type << 16,
- &msg->body[0]);
- writel(swlen, &msg->body[1]);
- writel(kxfer.sw_id, &msg->body[2]);
+ msg->u.head[0] = cpu_to_le32(SEVEN_WORD_MSG_SIZE | SGL_OFFSET_0);
+ msg->u.head[1] =
+ cpu_to_le32(I2O_CMD_SW_REMOVE << 24 | HOST_TID << 12 | ADAPTER_TID);
+ msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
+ msg->u.head[3] = cpu_to_le32(0);
+ msg->body[0] =
+ cpu_to_le32((u32) kxfer.flags << 24 | (u32) kxfer.sw_type << 16);
+ msg->body[1] = cpu_to_le32(swlen);
+ msg->body[2] = cpu_to_le32(kxfer.sw_id);
- token = i2o_msg_post_wait(c, m, 10);
+ token = i2o_msg_post_wait(c, msg, 10);
if (token != I2O_POST_WAIT_OK) {
osm_info("swdel failed, DetailedStatus = %d\n", token);
@@ -423,25 +423,24 @@ static int i2o_cfg_validate(unsigned long arg)
{
int token;
int iop = (int)arg;
- struct i2o_message __iomem *msg;
- u32 m;
+ struct i2o_message *msg;
struct i2o_controller *c;
c = i2o_find_iop(iop);
if (!c)
return -ENXIO;
- m = i2o_msg_get_wait(c, &msg, I2O_TIMEOUT_MESSAGE_GET);
- if (m == I2O_QUEUE_EMPTY)
- return -EBUSY;
+ msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
+ if (IS_ERR(msg))
+ return PTR_ERR(msg);
- writel(FOUR_WORD_MSG_SIZE | SGL_OFFSET_0, &msg->u.head[0]);
- writel(I2O_CMD_CONFIG_VALIDATE << 24 | HOST_TID << 12 | iop,
- &msg->u.head[1]);
- writel(i2o_config_driver.context, &msg->u.head[2]);
- writel(0, &msg->u.head[3]);
+ msg->u.head[0] = cpu_to_le32(FOUR_WORD_MSG_SIZE | SGL_OFFSET_0);
+ msg->u.head[1] =
+ cpu_to_le32(I2O_CMD_CONFIG_VALIDATE << 24 | HOST_TID << 12 | iop);
+ msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
+ msg->u.head[3] = cpu_to_le32(0);
- token = i2o_msg_post_wait(c, m, 10);
+ token = i2o_msg_post_wait(c, msg, 10);
if (token != I2O_POST_WAIT_OK) {
osm_info("Can't validate configuration, ErrorStatus = %d\n",
@@ -454,8 +453,7 @@ static int i2o_cfg_validate(unsigned long arg)
static int i2o_cfg_evt_reg(unsigned long arg, struct file *fp)
{
- struct i2o_message __iomem *msg;
- u32 m;
+ struct i2o_message *msg;
struct i2o_evt_id __user *pdesc = (struct i2o_evt_id __user *)arg;
struct i2o_evt_id kdesc;
struct i2o_controller *c;
@@ -474,18 +472,19 @@ static int i2o_cfg_evt_reg(unsigned long arg, struct file *fp)
if (!d)
return -ENODEV;
- m = i2o_msg_get_wait(c, &msg, I2O_TIMEOUT_MESSAGE_GET);
- if (m == I2O_QUEUE_EMPTY)
- return -EBUSY;
+ msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
+ if (IS_ERR(msg))
+ return PTR_ERR(msg);
- writel(FOUR_WORD_MSG_SIZE | SGL_OFFSET_0, &msg->u.head[0]);
- writel(I2O_CMD_UTIL_EVT_REGISTER << 24 | HOST_TID << 12 | kdesc.tid,
- &msg->u.head[1]);
- writel(i2o_config_driver.context, &msg->u.head[2]);
- writel(i2o_cntxt_list_add(c, fp->private_data), &msg->u.head[3]);
- writel(kdesc.evt_mask, &msg->body[0]);
+ msg->u.head[0] = cpu_to_le32(FOUR_WORD_MSG_SIZE | SGL_OFFSET_0);
+ msg->u.head[1] =
+ cpu_to_le32(I2O_CMD_UTIL_EVT_REGISTER << 24 | HOST_TID << 12 |
+ kdesc.tid);
+ msg->u.head[2] = cpu_to_le32(i2o_config_driver.context);
+ msg->u.head[3] = cpu_to_le32(i2o_cntxt_list_add(c, fp->private_data));
+ msg->body[0] = cpu_to_le32(kdesc.evt_mask);
- i2o_msg_post(c, m);
+ i2o_msg_post(c, msg);
return 0;
}
@@ -537,7 +536,6 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd,
u32 sg_index = 0;
i2o_status_block *sb;
struct i2o_message *msg;
- u32 m;
unsigned int iop;
cmd = (struct i2o_cmd_passthru32 __user *)arg;
@@ -553,7 +551,7 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd,
return -ENXIO;
}
- m = i2o_msg_get_wait(c, &msg, I2O_TIMEOUT_MESSAGE_GET);
+ msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
sb = c->status_block.virt;
@@ -585,19 +583,15 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd,
reply_size >>= 16;
reply_size <<= 2;
- reply = kmalloc(reply_size, GFP_KERNEL);
+ reply = kzalloc(reply_size, GFP_KERNEL);
if (!reply) {
printk(KERN_WARNING "%s: Could not allocate reply buffer\n",
c->name);
return -ENOMEM;
}
- memset(reply, 0, reply_size);
sg_offset = (msg->u.head[0] >> 4) & 0x0f;
- writel(i2o_config_driver.context, &msg->u.s.icntxt);
- writel(i2o_cntxt_list_add(c, reply), &msg->u.s.tcntxt);
-
memset(sg_list, 0, sizeof(sg_list[0]) * SG_TABLESIZE);
if (sg_offset) {
struct sg_simple_element *sg;
@@ -631,7 +625,7 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd,
goto cleanup;
}
sg_size = sg[i].flag_count & 0xffffff;
- p = &(sg_list[sg_index++]);
+ p = &(sg_list[sg_index]);
/* Allocate memory for the transfer */
if (i2o_dma_alloc
(&c->pdev->dev, p, sg_size,
@@ -642,6 +636,7 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd,
rcode = -ENOMEM;
goto sg_list_cleanup;
}
+ sg_index++;
/* Copy in the user's SG buffer if necessary */
if (sg[i].
flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR */ ) {
@@ -662,9 +657,11 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd,
}
}
- rcode = i2o_msg_post_wait(c, m, 60);
- if (rcode)
+ rcode = i2o_msg_post_wait(c, msg, 60);
+ if (rcode) {
+ reply[4] = ((u32) rcode) << 24;
goto sg_list_cleanup;
+ }
if (sg_offset) {
u32 msg[I2O_OUTBOUND_MSG_FRAME_SIZE];
@@ -714,6 +711,7 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd,
}
}
+ sg_list_cleanup:
/* Copy back the reply to user space */
if (reply_size) {
// we wrote our own values for context - now restore the user supplied ones
@@ -731,7 +729,6 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd,
}
}
- sg_list_cleanup:
for (i = 0; i < sg_index; i++)
i2o_dma_free(&c->pdev->dev, &sg_list[i]);
@@ -780,8 +777,7 @@ static int i2o_cfg_passthru(unsigned long arg)
u32 i = 0;
void *p = NULL;
i2o_status_block *sb;
- struct i2o_message __iomem *msg;
- u32 m;
+ struct i2o_message *msg;
unsigned int iop;
if (get_user(iop, &cmd->iop) || get_user(user_msg, &cmd->msg))
@@ -793,7 +789,7 @@ static int i2o_cfg_passthru(unsigned long arg)
return -ENXIO;
}
- m = i2o_msg_get_wait(c, &msg, I2O_TIMEOUT_MESSAGE_GET);
+ msg = i2o_msg_get_wait(c, I2O_TIMEOUT_MESSAGE_GET);
sb = c->status_block.virt;
@@ -820,19 +816,15 @@ static int i2o_cfg_passthru(unsigned long arg)
reply_size >>= 16;
reply_size <<= 2;
- reply = kmalloc(reply_size, GFP_KERNEL);
+ reply = kzalloc(reply_size, GFP_KERNEL);
if (!reply) {
printk(KERN_WARNING "%s: Could not allocate reply buffer\n",
c->name);
return -ENOMEM;
}
- memset(reply, 0, reply_size);
sg_offset = (msg->u.head[0] >> 4) & 0x0f;
- writel(i2o_config_driver.context, &msg->u.s.icntxt);
- writel(i2o_cntxt_list_add(c, reply), &msg->u.s.tcntxt);
-
memset(sg_list, 0, sizeof(sg_list[0]) * SG_TABLESIZE);
if (sg_offset) {
struct sg_simple_element *sg;
@@ -894,9 +886,11 @@ static int i2o_cfg_passthru(unsigned long arg)
}
}
- rcode = i2o_msg_post_wait(c, m, 60);
- if (rcode)
+ rcode = i2o_msg_post_wait(c, msg, 60);
+ if (rcode) {
+ reply[4] = ((u32) rcode) << 24;
goto sg_list_cleanup;
+ }
if (sg_offset) {
u32 msg[128];
@@ -946,6 +940,7 @@ static int i2o_cfg_passthru(unsigned long arg)
}
}
+ sg_list_cleanup:
/* Copy back the reply to user space */
if (reply_size) {
// we wrote our own values for context - now restore the user supplied ones
@@ -962,7 +957,6 @@ static int i2o_cfg_passthru(unsigned long arg)
}
}
- sg_list_cleanup:
for (i = 0; i < sg_index; i++)
kfree(sg_list[i]);