#include "bnx2_fw.h"
#include "bnx2_fw2.h"
+#define FW_BUF_SIZE 0x8000
+
#define DRV_MODULE_NAME "bnx2"
#define PFX DRV_MODULE_NAME ": "
#define DRV_MODULE_VERSION "1.6.5"
spin_unlock_bh(&bp->phy_lock);
}
-#define FW_BUF_SIZE 0x8000
-
+/* To be moved to generic lib/ */
static int
-bnx2_gunzip_init(struct bnx2 *bp)
+bnx2_gunzip(void *gunzip_buf, unsigned sz, u8 *zbuf, int len)
{
- if ((bp->gunzip_buf = vmalloc(FW_BUF_SIZE)) == NULL)
- goto gunzip_nomem1;
+ struct z_stream_s *strm;
+ int rc;
- if ((bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL)) == NULL)
- goto gunzip_nomem2;
+ /* gzip header (1f,8b,08... 10 bytes total + possible asciz filename)
+ * is stripped */
- bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL);
- if (bp->strm->workspace == NULL)
+ rc = -ENOMEM;
+ strm = kmalloc(sizeof(*strm), GFP_KERNEL);
+ if (strm == NULL)
+ goto gunzip_nomem2;
+ strm->workspace = kmalloc(zlib_inflate_workspacesize(), GFP_KERNEL);
+ if (strm->workspace == NULL)
goto gunzip_nomem3;
- return 0;
+ strm->next_in = zbuf;
+ strm->avail_in = len;
+ strm->next_out = gunzip_buf;
+ strm->avail_out = sz;
+
+ rc = zlib_inflateInit2(strm, -MAX_WBITS);
+ if (rc == Z_OK) {
+ rc = zlib_inflate(strm, Z_FINISH);
+ /* after Z_FINISH, only Z_STREAM_END is "we unpacked it all" */
+ if (rc == Z_STREAM_END)
+ rc = sz - strm->avail_out;
+ else
+ rc = -EINVAL;
+ zlib_inflateEnd(strm);
+ } else
+ rc = -EINVAL;
+ kfree(strm->workspace);
gunzip_nomem3:
- kfree(bp->strm);
- bp->strm = NULL;
-
+ kfree(strm);
gunzip_nomem2:
- vfree(bp->gunzip_buf);
- bp->gunzip_buf = NULL;
-
-gunzip_nomem1:
- printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for "
- "uncompression.\n", bp->dev->name);
- return -ENOMEM;
-}
-
-static void
-bnx2_gunzip_end(struct bnx2 *bp)
-{
- kfree(bp->strm->workspace);
-
- kfree(bp->strm);
- bp->strm = NULL;
-
- if (bp->gunzip_buf) {
- vfree(bp->gunzip_buf);
- bp->gunzip_buf = NULL;
- }
-}
-
-static int
-bnx2_gunzip(struct bnx2 *bp, u8 *zbuf, int len, void **outbuf, int *outlen)
-{
- int n, rc;
-
- /* check gzip header */
- if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
- return -EINVAL;
-
- n = 10;
-
-#define FNAME 0x8
- if (zbuf[3] & FNAME)
- while ((zbuf[n++] != 0) && (n < len));
-
- bp->strm->next_in = zbuf + n;
- bp->strm->avail_in = len - n;
- bp->strm->next_out = bp->gunzip_buf;
- bp->strm->avail_out = FW_BUF_SIZE;
-
- rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
- if (rc != Z_OK)
- return rc;
-
- rc = zlib_inflate(bp->strm, Z_FINISH);
-
- *outlen = FW_BUF_SIZE - bp->strm->avail_out;
- *outbuf = bp->gunzip_buf;
-
- if ((rc != Z_OK) && (rc != Z_STREAM_END))
- printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
- bp->dev->name, bp->strm->msg);
-
- zlib_inflateEnd(bp->strm);
-
- if (rc == Z_STREAM_END)
- return 0;
-
return rc;
}
/* Load the Text area. */
offset = cpu_reg->spad_base + (fw->text_addr - cpu_reg->mips_view_base);
if (fw->gz_text) {
- u32 text_len;
- void *text;
-
- rc = bnx2_gunzip(bp, fw->gz_text, fw->gz_text_len, &text,
- &text_len);
- if (rc)
- return rc;
-
- fw->text = text;
- }
- if (fw->gz_text) {
+ u32 *text;
int j;
+ text = vmalloc(FW_BUF_SIZE);
+ if (!text)
+ return -ENOMEM;
+ rc = bnx2_gunzip(text, FW_BUF_SIZE, fw->gz_text, fw->gz_text_len);
+ if (rc < 0) {
+ vfree(text);
+ return rc;
+ }
for (j = 0; j < (fw->text_len / 4); j++, offset += 4) {
- REG_WR_IND(bp, offset, cpu_to_le32(fw->text[j]));
+ REG_WR_IND(bp, offset, cpu_to_le32(text[j]));
}
+ vfree(text);
}
/* Load the Data area. */
{
struct cpu_reg cpu_reg;
struct fw_info *fw;
- int rc = 0;
+ int rc;
void *text;
- u32 text_len;
-
- if ((rc = bnx2_gunzip_init(bp)) != 0)
- return rc;
/* Initialize the RV2P processor. */
- rc = bnx2_gunzip(bp, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1), &text,
- &text_len);
- if (rc)
+ text = vmalloc(FW_BUF_SIZE);
+ if (!text)
+ return -ENOMEM;
+ rc = bnx2_gunzip(text, FW_BUF_SIZE, bnx2_rv2p_proc1, sizeof(bnx2_rv2p_proc1));
+ if (rc < 0) {
+ vfree(text);
goto init_cpu_err;
+ }
+ load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC1);
- load_rv2p_fw(bp, text, text_len, RV2P_PROC1);
-
- rc = bnx2_gunzip(bp, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2), &text,
- &text_len);
- if (rc)
+ rc = bnx2_gunzip(text, FW_BUF_SIZE, bnx2_rv2p_proc2, sizeof(bnx2_rv2p_proc2));
+ if (rc < 0) {
+ vfree(text);
goto init_cpu_err;
-
- load_rv2p_fw(bp, text, text_len, RV2P_PROC2);
+ }
+ load_rv2p_fw(bp, text, rc /* == len */, RV2P_PROC2);
+ vfree(text);
/* Initialize the RX Processor. */
cpu_reg.mode = BNX2_RXP_CPU_MODE;
goto init_cpu_err;
}
init_cpu_err:
- bnx2_gunzip_end(bp);
return rc;
}
projects / linux-2.6-omap-h63xx.git / blobdiff