X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fseabios%2Fsrc%2Fhw%2Fblockcmd.c;fp=qemu%2Froms%2Fseabios%2Fsrc%2Fhw%2Fblockcmd.c;h=0725b46db6b464016054fe86e51d0c9fee9cc325;hb=437fd90c0250dee670290f9b714253671a990160;hp=78c0e65f456c2810816564b8ea605933cd3abbae;hpb=5bbd6fe9b8bab2a93e548c5a53b032d1939eec05;p=kvmfornfv.git

diff --git a/qemu/roms/seabios/src/hw/blockcmd.c b/qemu/roms/seabios/src/hw/blockcmd.c
index 78c0e65f4..0725b46db 100644
--- a/qemu/roms/seabios/src/hw/blockcmd.c
+++ b/qemu/roms/seabios/src/hw/blockcmd.c
@@ -5,67 +5,14 @@
 //
 // This file may be distributed under the terms of the GNU LGPLv3 license.
 
-#include "ahci.h" // atapi_cmd_data
-#include "ata.h" // atapi_cmd_data
 #include "biosvar.h" // GET_GLOBALFLAT
 #include "block.h" // struct disk_op_s
 #include "blockcmd.h" // struct cdb_request_sense
 #include "byteorder.h" // be32_to_cpu
-#include "esp-scsi.h" // esp_scsi_cmd_data
-#include "lsi-scsi.h" // lsi_scsi_cmd_data
-#include "megasas.h" // megasas_cmd_data
-#include "pvscsi.h" // pvscsi_cmd_data
 #include "output.h" // dprintf
 #include "std/disk.h" // DISK_RET_EPARAM
 #include "string.h" // memset
-#include "usb-msc.h" // usb_cmd_data
-#include "usb-uas.h" // usb_cmd_data
 #include "util.h" // timer_calc
-#include "virtio-scsi.h" // virtio_scsi_cmd_data
-
-// Route command to low-level handler.
-static int
-cdb_cmd_data(struct disk_op_s *op, void *cdbcmd, u16 blocksize)
-{
-    u8 type = GET_GLOBALFLAT(op->drive_gf->type);
-    switch (type) {
-    case DTYPE_ATA_ATAPI:
-        return atapi_cmd_data(op, cdbcmd, blocksize);
-    case DTYPE_USB:
-        return usb_cmd_data(op, cdbcmd, blocksize);
-    case DTYPE_UAS:
-        return uas_cmd_data(op, cdbcmd, blocksize);
-    case DTYPE_VIRTIO_SCSI:
-        return virtio_scsi_cmd_data(op, cdbcmd, blocksize);
-    case DTYPE_LSI_SCSI:
-        return lsi_scsi_cmd_data(op, cdbcmd, blocksize);
-    case DTYPE_ESP_SCSI:
-        return esp_scsi_cmd_data(op, cdbcmd, blocksize);
-    case DTYPE_MEGASAS:
-        return megasas_cmd_data(op, cdbcmd, blocksize);
-    case DTYPE_USB_32:
-        if (!MODESEGMENT)
-            return usb_cmd_data(op, cdbcmd, blocksize);
-    case DTYPE_UAS_32:
-        if (!MODESEGMENT)
-            return uas_cmd_data(op, cdbcmd, blocksize);
-    case DTYPE_PVSCSI:
-        if (!MODESEGMENT)
-            return pvscsi_cmd_data(op, cdbcmd, blocksize);
-    case DTYPE_AHCI_ATAPI:
-        if (!MODESEGMENT)
-            return ahci_cmd_data(op, cdbcmd, blocksize);
-    default:
-        return DISK_RET_EPARAM;
-    }
-}
-
-// Determine if the command is a request to pull data from the device
-int
-cdb_is_read(u8 *cdbcmd, u16 blocksize)
-{
-    return blocksize && cdbcmd[0] != CDB_CMD_WRITE_10;
-}
 
 
 /****************************************************************
@@ -79,9 +26,12 @@ cdb_get_inquiry(struct disk_op_s *op, struct cdbres_inquiry *data)
     memset(&cmd, 0, sizeof(cmd));
     cmd.command = CDB_CMD_INQUIRY;
     cmd.length = sizeof(*data);
+    op->command = CMD_SCSI;
     op->count = 1;
     op->buf_fl = data;
-    return cdb_cmd_data(op, &cmd, sizeof(*data));
+    op->cdbcmd = &cmd;
+    op->blocksize = sizeof(*data);
+    return process_op(op);
 }
 
 // Request SENSE
@@ -92,9 +42,12 @@ cdb_get_sense(struct disk_op_s *op, struct cdbres_request_sense *data)
     memset(&cmd, 0, sizeof(cmd));
     cmd.command = CDB_CMD_REQUEST_SENSE;
     cmd.length = sizeof(*data);
+    op->command = CMD_SCSI;
     op->count = 1;
     op->buf_fl = data;
-    return cdb_cmd_data(op, &cmd, sizeof(*data));
+    op->cdbcmd = &cmd;
+    op->blocksize = sizeof(*data);
+    return process_op(op);
 }
 
 // Test unit ready
@@ -104,9 +57,12 @@ cdb_test_unit_ready(struct disk_op_s *op)
     struct cdb_request_sense cmd;
     memset(&cmd, 0, sizeof(cmd));
     cmd.command = CDB_CMD_TEST_UNIT_READY;
+    op->command = CMD_SCSI;
     op->count = 0;
     op->buf_fl = NULL;
-    return cdb_cmd_data(op, &cmd, 0);
+    op->cdbcmd = &cmd;
+    op->blocksize = 0;
+    return process_op(op);
 }
 
 // Request capacity
@@ -116,9 +72,12 @@ cdb_read_capacity(struct disk_op_s *op, struct cdbres_read_capacity *data)
     struct cdb_read_capacity cmd;
     memset(&cmd, 0, sizeof(cmd));
     cmd.command = CDB_CMD_READ_CAPACITY;
+    op->command = CMD_SCSI;
     op->count = 1;
     op->buf_fl = data;
-    return cdb_cmd_data(op, &cmd, sizeof(*data));
+    op->cdbcmd = &cmd;
+    op->blocksize = sizeof(*data);
+    return process_op(op);
 }
 
 // Mode sense, geometry page.
@@ -131,33 +90,12 @@ cdb_mode_sense_geom(struct disk_op_s *op, struct cdbres_mode_sense_geom *data)
     cmd.flags = 8; /* DBD */
     cmd.page = MODE_PAGE_HD_GEOMETRY;
     cmd.count = cpu_to_be16(sizeof(*data));
+    op->command = CMD_SCSI;
     op->count = 1;
     op->buf_fl = data;
-    return cdb_cmd_data(op, &cmd, sizeof(*data));
-}
-
-// Read sectors.
-static int
-cdb_read(struct disk_op_s *op)
-{
-    struct cdb_rwdata_10 cmd;
-    memset(&cmd, 0, sizeof(cmd));
-    cmd.command = CDB_CMD_READ_10;
-    cmd.lba = cpu_to_be32(op->lba);
-    cmd.count = cpu_to_be16(op->count);
-    return cdb_cmd_data(op, &cmd, GET_GLOBALFLAT(op->drive_gf->blksize));
-}
-
-// Write sectors.
-static int
-cdb_write(struct disk_op_s *op)
-{
-    struct cdb_rwdata_10 cmd;
-    memset(&cmd, 0, sizeof(cmd));
-    cmd.command = CDB_CMD_WRITE_10;
-    cmd.lba = cpu_to_be32(op->lba);
-    cmd.count = cpu_to_be16(op->count);
-    return cdb_cmd_data(op, &cmd, GET_GLOBALFLAT(op->drive_gf->blksize));
+    op->cdbcmd = &cmd;
+    op->blocksize = sizeof(*data);
+    return process_op(op);
 }
 
 
@@ -165,25 +103,36 @@ cdb_write(struct disk_op_s *op)
  * Main SCSI commands
  ****************************************************************/
 
-int VISIBLE32FLAT
-scsi_process_op(struct disk_op_s *op)
+// Create a scsi command request from a disk_op_s request
+int
+scsi_fill_cmd(struct disk_op_s *op, void *cdbcmd, int maxcdb)
 {
     switch (op->command) {
     case CMD_READ:
-        return cdb_read(op);
-    case CMD_WRITE:
-        return cdb_write(op);
-    case CMD_FORMAT:
-    case CMD_RESET:
-    case CMD_ISREADY:
-    case CMD_VERIFY:
-    case CMD_SEEK:
-        return DISK_RET_SUCCESS;
+    case CMD_WRITE: ;
+        struct cdb_rwdata_10 *cmd = cdbcmd;
+        memset(cmd, 0, maxcdb);
+        cmd->command = (op->command == CMD_READ ? CDB_CMD_READ_10
+                        : CDB_CMD_WRITE_10);
+        cmd->lba = cpu_to_be32(op->lba);
+        cmd->count = cpu_to_be16(op->count);
+        return GET_GLOBALFLAT(op->drive_gf->blksize);
+    case CMD_SCSI:
+        memcpy(cdbcmd, op->cdbcmd, maxcdb);
+        return op->blocksize;
     default:
-        return DISK_RET_EPARAM;
+        return -1;
     }
 }
 
+// Determine if the command is a request to pull data from the device
+int
+scsi_is_read(struct disk_op_s *op)
+{
+    return op->command == CMD_READ || (op->command == CMD_SCSI && op->blocksize);
+}
+
+// Check if a SCSI device is ready to receive commands
 int
 scsi_is_ready(struct disk_op_s *op)
 {
@@ -219,7 +168,7 @@ scsi_is_ready(struct disk_op_s *op)
 
         if (sense.asc == 0x04 && sense.ascq == 0x01 && !in_progress) {
             /* IN PROGRESS OF BECOMING READY */
-            printf("Waiting for device to detect medium... ");
+            dprintf(1, "Waiting for device to detect medium... ");
             /* Allow 30 seconds more */
             end = timer_calc(30000);
             in_progress = 1;